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SERVICE MANUAL

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1. SYMBOL NAME SYMBOL NAME SYMBOL NAME TB1 Terminal Block lt Power Supply PB Power Circuit Board SW7 Switch lt Function Setup gt TB2 Terminal Block lt Indoor Outdoor gt SC U V W Connection Terminal lt U V W Phase gt sws Switch lt Function Setup gt MC Motor for Compressor TB L1 L2 L3 Connection Terminal lt L1 L2 L3 Power supply SW9 Switch MF1 MF2 Fan Motor TB P1 Connection Terminal SWP Switch Pump Down 2194 Solenoid Valve Four Way
2. SYMBOL NAME SYMBOL NAME SYMBOL NAME TB1 erminal Block lt Power Supply Indoor Outdoor gt PFC Converter F1 4 Fuse lt T6 3AL250V gt MC Motor for Compressor CB1 CB3 Main Smoothing Capacitor SWP Switch Pump Down MF1 Fan Motor Noise Filter Circuit Board CN31 Connector lt Emergency Operation gt 2184 Solenoid Valve Four Way Valve LI LO Connection Terminal lt L Phase gt CN51 Connector lt Connection for Option 63H High Pressure Switch NI NO Connection Terminal lt N Phase gt 55 Connector lt Connection for Option TH3 TH33 hermistor Outdoor Pipe ELE2 E3 Connection Terminal
3. SYMBOL NAME SYMBOL NAME SYMBOL NAME TB1 Terminal Block lt Power Supply Indoor Outdoor gt IPM Power Module LED1 LED2 LED MC Motor for Compressor PFC Converter Operation Inspection Indicators MF1 Fan Motor CB1 CB3 Main Smoothing Capacitor Fi 4 Fuse lt T6 3AL250V gt 2184 Solenoid Valve Four Way Valve F Noise Filter Circuit Board SWP Switch lt Pump Down 63H High Pressure Switch LI LO Connection Terminal lt L Phase gt CN31 Connector lt Emergency Operation gt TH33 Thermistor lt Outdoor Pipe gt Connection Terminal lt N Phase gt CN51 Connector Connection for Option TH4 Thermistor lt Discharge gt EI E2 E3 Connection Terminal lt Ground gt SS Connector Connection for Option TH6 Thermistor Outdoor 2 Phase Pipe 52C 52C Relay CNM Connector lt A Control Service Inspection Kit gt TH7 Thermistor lt Outdoor gt CB Controller Circuit Board CNMNT Connector TH8 Thermistor Heat Sink SWI Switch Forced Defrost Defect History Connected to Opt
4. SYMBOL NAME SYMBOL NAME SYMBOL NAME TB1 Terminal Block lt Power Supply gt TB P2 Connection Termina SW5 Switch Function Switch TB2 Terminal Block lt Indoor Outdoor gt TB C1 Connection Termina SW6 Switch lt Model Select gt MC Motor for Compressor TB N1 Connection Terminal SW7 Switch lt Function Setup gt MF1 MF2 Fan Motor X52A 52C Relay SW8 Switch Function Setup 2184 Solenoid Valve Four Way Valve F Noise Filter Circuit Board SWI Switch 63H High Pressure Switch LIV LIZ LIS NI_ Connection Terminal lt L1 L2 L3 N Power Supply SWP Switch lt Pump Down TH3 Thermistor lt Outdoor Pipe 101102103 0 Connection Terminal L1 L2 L3 N Power Supply CN31 Connector Emergency Operation TH4 Thermistor Discharge GD1 603 Connection Terminal lt Ground gt LED1 LED2 LED Operatiion Inspection Indicators TH6 Thermistor Outdoor 2 Phase Pipe CONV B Converter Circuit Board 1 4 FUSE lt T6 3AL250V gt TH7 Thermistor lt Outdoor gt L1 A1 IN Connection Terminal lt L1 Power Supply CNM Connector lt A Control Service Inspection Kit gt TH32 Thermistor lt Shell gt L1 A2 0U Connection Terminal lt L1 Power Supply CNMNT Connector LEV
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6. Actuator output state D Actuator output state Display SV1 Four way valve Compressor Compressor Display 52C SV2 SS warming up 0 0 1 1 2 2 3 ON ON 3 ON ON 4 ON 4 ON 5 ON ON 5 ON ON 6 ON ON 6 ON ON 7 ON ON ON 7 ON ON ON 8 ON 9 ON ON A ON ON b ON ON ON C ON ON d ON ON ON E ON ON ON F ON ON ON ON Error content U9 Request code 55 Data display 0lolsxisx Error content Error content Error content D Detected Error content 6 Detected Display Overvoltage Undervoltage L i phase Power synchronizing Display Converter Fo PAM error error error open error signal error error 0 0 1 1 2 2 3 e e 3 e e 4 e 5 6 7 8 9 e e e C e E e e e 107 Contact demand capacity Request code 61 Data display 0 0 0 External input state Request code 62 Data display 0 0 0 Input state L Setting content Setting content Display Setting value 0 0 1 50 2 75 3 10096 Input state 6 Input present Contact demand Silent mode Spare 1 Spare 2 Display 6 input input input input 0 1 e 2 e 3 e e 4 e 5 e e 6 e e 7 e
7. R S U VW Connect to the ACL Connect to the compressor MC 220 240V AC Voltage among phases 5V to 180V AC CNN soon 99 00 9 99 LD1 LD2 DIP PFC 280 380V DC Connect to the outdoor MF ow 155 controller circuit board CONDO JANN V LPP OP mR Xz LD9 Connect to the earth Only RP60 CN2 widi Connect to the outdoor controller circuit board Outdoor power circuit board Transmitting signal to the outdoor controller circuit board 0 5V DC CN3 CN4 CN5 Zero cross signal 0 5V DC Thermistor Connect from the Primary current detection 9 0 Not used lt Heatsink gt outdoor controller Connect to the outdoor 16V DC 8 circuit board noise filter circuit board Q G 16V DC gie CNA CN5 76 Outdoor power circuit board PUHZ RP100VKA PUHZ RP125VKA PUHZ RP140VKA CN2 Connect to the outdoor controller circuit board CN2 CN4 1 5 Transmitting signal to outdoor controller circuit board 0 5 V DC Connect to the outdoor 2 5 Zero cross signal 0 5 V DC controller circuit board CN4 3 4 18 V DC 6 5 16 V DC 7 5 16 V DC N2 CN52C CNDC Connect to the smoothing 52C driving signal 280 380 V DC capacitor CB Connect to the outdoor Connect to the outdoor controller
8. Test run Operating OFF Test run mode setting Heating Cooling Under suspension Pump down Start Normal Under suspension x1 Forced defrost should be done as follows Change the DIP SW1 1 on the outdoor controller board from OFF to ON Forced defrost will start by the above operation if all these conditions written below are satisfied Heat mode setting 10 minutes have passed since compressor started operating or previous compulsory defrosting finished lt Pipe temperature is less than or equal 8 Forced defrost will finish if certain conditions are satisfied Forced defrost can be done if above conditions are satisfied when DIP SW1 1 is changed from OFF to ON After DIP SW1 1 is changed from OFF to ON there is no problem if DIP SW1 1 is left ON or changed to OFF again This depends on the service conditions 80 Type of Y Action by the switch operation Switch Function ON OFF No function Effective timing Power failure automatic recovery 2 N Auto recovery No auto recovery When power supply ON olaa No function Model select Following SW5 6 referenc Mode select X3 Demand function Low noise mode Always No function mE Max Hz setting cooling Max Hz cooling x 0 8 Normal Always Max Hz setting heating Max Hz heating x 0 8 Norma
9. SYMBOL NAME SYMBOL NAME SYMBOL NAME TB1 Terminal Block lt Power Supply Power Circuit Board SW7 Switch Function Setup TB2 Terminal Block lt Indoor Outdoor gt SC U V W Connection Terminal lt U V W Phase gt SW8 Switch lt Function Setup MC Motor for Compressor TB L1 L2 L3 Connection Terminal lt L1 L2 L3 Power supply SWI Switch MF1 MF2 Fan Motor TB P1 Connection Terminal SWP Switch lt Pump Down gt 2154 Solenoid Valve Four Way Valve TB P2 Connection Terminal CN31 Connector lt Emergency Operation gt 63H High Pressure Switch TB C1 Connection Terminal LED1 LED2 LED lt Operation Inspection Indicators TH3 Thermistor Outdoor Pipe TB N1 Connection Terminal F3 F4 Fuse lt T6 3AL250V gt TH4 Thermistor lt Discharge gt X52A 52C Relay ss Connector lt Connection for Option gt TH6 Thermistor Outdoor 2 Phase Pipe N F Noise Filter Circuit Board CNM Connector lt A Control Service Inspection TH7 Thermistor lt Outdoor gt LIA LIZ LIS NI Connection Terminal lt L1 L2 L3 NI Power supply gt CNMNT Connector TH32 Thermistor lt Shell gt 101 102 03 Connection Terminal lt L1 L2 L3 Power supply gt Connected to Optional M NET Adapter Board LEV A LEV B Electronic Expansion Valve GD1 GD2 Connection Terminal lt Ground gt CNVMNT Connector ACL4 Reactor Controller Circuit Board Connected to Optional M NET Adapter Board DCL Reactor SWI Switch Forced Defrost Defect History Record CNDM Connector C
10. x EE NENNEN No a e e so im Lena LED CNF1 CNF2 Connect to the fan motor 250 330V DC 15V DC 0 6 5V DC 15V DC When stopped 7 5V DC When operated 0V 15V pulse Q Compressor operating signal Abnormal signal bo OO gt CN52C gina Connect to the noise 15 2 2 filter circuit board eS 2570 i CN52C RP35 140V 000 ceva s lt 5 KAG Linear expansion valve For RP140 81066106710 0 CN4 Transmission to out door power circuit board CN4 g to O 9 ass 4 R54 ga 34 o oo ANo ojo o o o o sva sen etu Oar 9 y 2184 Four way valve OO G d INO to 52 to BLK WHT CN2 Connect to the outdoor power circuit board CN2 Reception from power circuit board Zero cross signal 0 5V DC 9 0 Not used 9 86 16V DC 16V DC a CAUTION T o T CNAC to Power supply for outdoor controller circuit board 220V 240V AC to 9 Power supply for indoor and outdoor unit connection wire 220 240V AC CNS 51 52 220 240V AC CNDC To 250 330V DC Communication power supply O ircuit D71 Voltage Outdoor power circui 24V DC board for R
11. Procedure 1 Press the CHECK button twice Refrigerant ddress display e 2 Press the temperature 7 2 Temperature buttons button 3 Point the remote controller at the sensor on the indoor unit and press the HOUR button HOUR button 4 Point the remote controller at the sensor on the indoor unit and press the ON OFF button 40 CHECK lights and refrigerant address 00 flashes Check that the remote controller s display has stopped before continuing Select the refrigerant address of the indoor unit for the self diagnosis Note Set refrigerant address using the outdoor unit s DIP switch SW1 For more information see the outdoor unit installation manual lt If an air conditioner error occurs the indoor unit s sensor emits an intermit tent buzzer sound the operation light flashes and the error code is output It takes 3 seconds at most for error code to appear The check mode is cancelled Refer to the following tables for details on the check codes starts Output pattern Beepersounds Beep Beep Beep Beep Beep Beep Beep OPERATION REESE qt 2nd qst 2nd Repeated INDICATOR PONES gt lamp flash Off On On On Off On On pattern Self check APProx 2 5 sec 0 5 sec 0 5 sec 0 5 sec 0 5 sec Approx 2 5 sec 0 5 sec 0 5 sec 2 Start signal received vV Number of blinks beeps in pattern indicates th
12. 150 100 50 500 400 300 N e 100 25 25 100 Temperature 50 75 Temperature 125 100 Linear expansion valve RP35 RP71 1 Operation summary of the linear expansion valve Linear expansion valve opens closes through stepping motor after receiving the pulse signal from the outdoor controller board Valve position can be changed in proportion to the number of pulse signal Connection between the outdoor controller board and the linear expansion valve LEV Output 4 5 2 Linear expansion valve operation all the way M Pulse number ES gt 5 ad m 1 1 2 c 1 2 E i a 1 1 1 gt Close Open 1 1 1 A 1 1 500 pulse 1 1 1 1 1 Extra tightening about 32 pulse Outdoor controller board LL eid ME EPI RUNG Connector LEV A LEV B Opening a valve 8 5756555453218 Closing a valve 1 2 3 4 5 6 7 8 1 The output pulse shifts in above order When linear expansion valve operation stops all output phase become OFF When the switch is turned on 700 pulse closing valve signal will be sent till it goes to point in order to define the valve position The pulse signal is being
13. 70 GaN 6 win x 3 2154 1 MODEL SELECT MODEL SW6 SW5 6 2 ON ON PB 8 7 100Y OFF Per si OFF HAHAHA 2345678 123456 ON ON 125Y OFF OFF BERE 12345678 123456 BK ON ON 2 WHT 140Y mun OFF o 3 12345678 123456 UD 2 SWS 1 to 5 Function Switch RED The black square indicates a switch position 2L Ho BLK WHT RED TB2 e 25318031212 UN S2 aka PA pi BA Pr ii INDOOR UNT a 4 E x 3 c CONV 53 ru lo 5 CBI CB2 CK m F 23 5 5 9295 2 x N F a B a 3 69 CNCT CNAC2 epu m WHT 1 Ts RED 1 2 1 3 RED Aci TB IVY RED ut LO RED u2 102 ACL2 POWER SUPPLY xm ere ST 3N Los ACLS 400V 50Hz u BLK NI T al 0 LI Ji NO Buu GRNIYLW ll 0 GD1 X z E pesat T Th 2 _____ M NET ADAPTER TB7 Terminal Block M NET connection SW12 Switch Address setting 10s digit gt CN5 Connector lt Transmission gt LED1 LED lt Power Supply DC5V gt CND Connector lt Power Supply gt LED2 LED lt Connection to Outdoor Unit gt CN2M Connector lt M NET communication gt LED3 LED lt Transmission Sending gt SWI Switch Status of communication LED4 LED lt Transmission Receiving gt 5 11 Switch Address setting 1s digit LED5 LED Power Supply DC12V gt 23 PUHZ RP200YKA PUHZ RP250YKA
14. 3 H dm um 11 ts mer 9 1 sk 66 66 10 i 569 1 7 7 WHT 12 1 4 12 21 1 6 1 6 1 3 1 5 5 5 TH32 TH7 6 LEVA LEVB CNMNT 5 ESI OE BLK RED WHT WHT WHT RED WHT WHT E ues CNF2 E ADAPTER MS 7 WHT 28 5555555555555 5 e P 5 1 14 2 CND d md cans 3 ene wm 2 E 1 WHT 7 j TRANS cx Seip 5j 2 tonne 2 PNK iB 7 e CNAC g 6 e OE qum i F4 3 1 2154 3 1 SS GRN 6 wut El la E 2154 2 P B z 7 7 z g lo o WHT fo SCW BLK MC 1 I SCV WHT 2 cM T Scuo an RED 7 2 He cns 19 1 RED 1843 BLK TBA2 WHT L TB L1 RED rh B 7 27 T TB2 to T 61 E TB P2 TB N1 922 018 m g 5 5 INDOOR LYYY UNIT 53 2 CNAC KIH CNCT fe 3 CNAC2 WHT 1 3 RED 1f 21 RED TB1 101 Ly ee F T RED POWER WHT Ti I 192 war SUPPLY d I I 3N NT BLK BLK 400V 50Hz L3 T 1 1 4 1 MODEL SELECT EN IGRNIYLW 7 MODEL 5 6 SW5 6 2 HH ON P azi 1 Y 200Y OFF MN ML Lig 154 47 12345678 123456 1 8 CNL 97 GA ety ON LI Les 250Y OFF NN OFF E
15. 100 Refrigerant flow in cooling Refrigerant flow in heating PUHZ RP60VHA4 PUHZ RP71VHA4 Thermistor TH7 Heat exchanger pa Outdoor Stop valve 0 Thermistor THE with service port Outdoor 2 phase pipe Refrigerant GAS pipe 69 J connection 415 88 5 8 Strainer Ec 350 Charge plug High pressure Thermistor TH3 Outdoor pipe Charge plug lt Low pressure High pressure 77 Distributor switch 63H Sg Thermistor TH4 Discharge Strainer 100 Thermistor TH32 Thermistor TH33 Shell Linear expansion valve B Strainer Compressor 100 receiver Stop valve with service port Refrigerant LIQUID pipe connection 9 52 3 8 Linear expansion valve A Strainer Strainer 100 100 31 PUHZ RP100VKA PUHZ RP125VKA Unit mm inch PUHZ RP100YKA PUHZ RP125YKA Thermistor TH7 Heat exchanger 0 77 Outdoor Thermistor 6 Outdoor 2 phase pipe t Ball valve Strainer Refrigerant GAS pipe connection 5 8 gt Charge plug High pressure Charge plu Low High pressure switch 63H pom TH4 Discharge Strainer Strainer 100 Thermistor TH32 Shell Thermistor TH33 I Outdoor pipe Linear expansion valve B Strainer Compressor 100 receiver Stop valve with service port Re
16. A sound similar to water flowing is heard from the unit This is not a malfunction This is the sound which is heard when the refrigerant is flowing inside the indoor unit Something is wrong with the The fan speed does not match the setting of the remote controller during DRY operation No air comes out sometimes during DRY operation This is not a malfunction During the DRY operation the blower s ON OFF is controlled by the microcomputer to prevent overcooling and to ensure efficient dehumidification The fan speed cannot be set by the remote controller during DRY operation The fan speed does not match the setting of the remote controller in HEAT operation This is not a malfunction 1 When the HEAT operation starts to prevent the unit from blowing cold air the fan speed is gradually increased from zero to the set speed in proportion to the temperature rise of the discharged air 2 When the room temperature reaches the set temperature and the outdoor unit stops the unit starts the LOW AIR operation 3 During the HEAT operation the DEFROST operation is performed to defrost the outdoor unit During the DEFROST operation the blower is stopped to prevent cold air coming out of the indoor unit 60 The up down vane will be automatically set to horizontal blow in these cases listed up on the left O After a while the up down vane will be automatically moved ac
17. amp e g E 73 1 CNM 14 d 63H WHT Sl YLW oNs2c an i 3 CN2 Se I WHT 12 E39 TRANS MD wen 9 ile 0900000 59 CNDC 1 2 2 _ 5 PNK 2 e oz B F2 CNAC F3 m CNS WHT x 2 WHT P ZEN F4 21543 1 3 ss sth 4 GRN SS WHT 2184 RED RED RED WHT ATL WHT WHT N F ACL MS MC 35 Ww v U 777 P B E g RED 219 DTE IPM m 15 2 TY vy T WHT 2 lo L TABU 1 TABR E RED Ka ils A 1 1 WHT TABW HD te Y V TABS li ll a 5 VN dee EUN alos 4 fim e EL 9 1MODEL SELECT MODEL SW6 SW5 6 2 ON ON 60V OFF OFF 123456 ON EDE ON z z 71V OFF BBBRBL IN N OFF am S amp 12345678 123456 72 SW5 1 to 5 Function Switch al cvi B E e The black square indicates a switch position W al erii H3 LINIO s sa TBI MER MENU INDOOR M NET ADAPTER UNT SYMBOL NAME SYMBOL NAME POWER SUPPLY TB7 Terminal Block lt M net connection 5 12 Switch Address setting 105 digit N 230V 50Hz CN5 Connector lt Transmission gt LED1 LED Power Supply DC5V gt CND Connector lt Power Supply LED2 LED lt Connection to Outdoor Unit gt CN2M Connector lt M NET communication gt LED3 LED Transmission Sending SWI Switch Status of communication LED4 LED lt Transmission Receiving gt SW11 Switch lt Address setting 1s digit LED5 LED Power Supply DC12V gt
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19. CNDC Connect to the outdoor controller circuit board CNDO CNL Connect to the ACL4 NO Connect to the outdoor converter circuit board N IN LIH LI2 LI LIS LI3 LI1 AC380 400 415V input LI1 NI LI2 NI LIS NI AC220 230 240V input Connect to the terminal block TB1 ra e VV V e WI GD3 Connect to the earth MG TEMS OA COR eg 9 9 gt oi CNCT Primary current Connect to the outdoor power circuit board CN5 LO1 LO2 POWER SUPPLY LO1 LO2 LO2 LO3 LO3 LO1 AC380 400 415V OUTPUT RP100 140 Connect to the outdoor converter circuit board and ACL L1 IN ACL2 ACL3 RP200 250 Connect to the outdoor power circuit board TB1 L1 L2 L3 75 Outdoor power circuit board Brief Check of DIP IPM and DIP PFC PUHZ RP35VHA4 Usually they are in a state of being short circuited if they are broken PUHZ RP50VHA4 Measure the resistance in the following points connectors etc If they are short circuited it means that they are broken PUHZ RP60VHA4 1 Check of DIP IPM PUHZ RP71VHA4 2 0 2 V P2 W N2 U IN2 V N2 W 2 Check of DIP PFC Pi L J P1 IN IE Ni N INT Note The marks L N N1 IN2 P1 P2 JU V and W shown in the diagram are not actually printed on the board
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21. Function selection flowchart Setting language English Change Language Function selection Mode selection Display mode setting Normal display Display when the air conditioner is not running Hold down the button and press the button for 2 seconds B Press the operation mode button amp Press theTIMER MENU button Press theTIMER ON OFF button Hold down the E button and press the button for 2 seconds Remote controller function selection mode 7 Dot display German ate MITSUBISHI ELECTRIC HANGE _ LANGUAGE Spanish Russian oteo omeny ponore 3j DAY LRHGUHGE TALIANOC Ly talian oc Chinese 7 Japanese UHCTIOH Operation lock setting is not used SELECTION FUNCTION Initial setting value mL Operation lock setting is except On Off button Operation lock setting is all buttons The automatic mode is displayed when the operation mode is selected Initial setting value 9 is selected O The automatic mode is not displayed when the operation mode OFF The temperature range limit is not active Initial setting value TEMP LIHCTIGN TEMP The
22. L2 N1 2 shown in the diagram are not actually printed on the board CN2 Connect to the outdoor controller circuit board CN2 Power circuit board Transmitting signal to the controller board 0 5V DC 9 6 Zero cross signal 0 5V DC Not used 9 O 0 0 0 9 0 8 16V DC 6 16V DC RS resistor Connect to the smoothing capacitor 18 17 _ oc o gt E 609N009H 9 Connect to the smoothing capacitor CB1 9 CB2 78 TB U TB V TB W Connect to the compressor MC Voltage among phases 10V 400V AC TB L1 TB L2 TB L3 Connect to the outdoor converter circuit board L1 OU L2 OU L3 OU RP100 140 Connect to the outdoor noise filter circuit board LO1 LO2 103 RP200 250 380V 415V AC TB N1 Connect to the smoothing capacitor CB2 CK capacitor CK capacitor only for RP100 140 POWER MODULE Outdoor converter circuit board PUHZ RP100YKA PUHZ RP125YKA PUHZ RP140YKA L1 IN N IN L1 A1 CK OU X Connect to the CK capacitor di ON ae Connect to the ACL1 a DIP AN CAUTION L1 A2 Li eS Al Big did x J dl Ji Ain 2 LL RISO R15
23. 21 PUHZ RP100VKA PUHZ RP125VKA PUHZ RP140VKA SYMBOL NAME SYMBOL NAME SYMBOL NAME TB1 Terminal Block lt Power Supply Indoor Outdoor gt LI Connection Terminal lt L Phase gt SWP Switch lt Pump Down gt MC Motor for Compressor NI Connection Terminal lt N Phase gt CN31 Connector l
24. 5 Remove the 4 way valve coil by sliding the coil toward you Removing the linear expansion valve coil 4 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 5 Remove the linear expansion valve coil by sliding the coil upward Removing the 4 way valve 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 8 Remove the electrical parts box See Photo 4 4 Remove 3 valve bed fixing screws 4 x 10 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 5 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 6 Remove the 4 way valve coil 7 Recover refrigerant 8 Remove the welded part of 4 way valve Removing the linear expansion valve 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 3 valve bed fixing screws 4 x 10 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 4 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 5 Remove the linear expansion valve coil 6 Recover refrigerant 7 Remove the welded part of linear expansion valve 139 Figure 1 Linear expansion valve 4 way valve Linear expansion E valve coil LEV A QUA Linear expansion A valve coil L
25. C D Selecting functions using the wired remote controller D Check the function selection setting Switch to function setting mode X For modes 15 and higher Press and at the same time press and at the same time with the remote controller stopped 3 Specify refrigerant address 00 outdoor unit Specify unit No 00 indoor unit Use and Specified indoor unit FAN operation Enter the setting Press Change refrigerant address or unit No Select mode No 02 room temperature detection position C Select setting No 03 remote controller fixed Use and Example Enter the setting Selecting room temperature Press detection position End function display Press and at the same time The above procedure must be carried out only if changes are necessary 96 Operating Procedure Check the setting items provided by function selection If settings for a mode are changed by function selection the functions of that mode will be changed accordingly Check all the current settings according to steps to fill in the Check column in Table 1 and then change them as necessary For factory settings refer to the indoor unit s installation manual Switch off the remote controller lt Set the outdoor unit s refrigerant address Hold down the FILTER __ mode is 15 to 28 and TEST
26. ELIHCTIOH nnnn Eerie LIU LIU gt Eerie LIU LIU 4 ELE IINIT gt jea LIC e LI e If is displayed for both the mode number and setting number and 55 flashes in the room temperature display area a transmission error may have occurred Check to see if there are any sources of noise or interference near the transmission path To make additional settings in the FUNCTION SELECTION screen repeat the steps through Note After setting the modes 07 through 14 the modes 23 through 28 cannot be set continuously or vice versa In this case after completing the settings for the modes 07 through 14 or 23 through 28 go to the step 10 to finish setting and restart setting from the step 1 At this point wait for 30 seconds or more before restarting setting Otherwise the temperature may indicate 2 Complete function selection IN Hold down the FILTER mode is 15 to 28 and TEST buttons Do not operate the remote controller for at least 30 seconds after completing function selection No operations will be accepted even if they are made simultaneously for at least 2 seconds After a while the function selection screen will disappear and the air condi tioner OFF screen will reappear e Note If a function of an indoor unit is changed by function selection after installation is complete make sure that a O mark etc is given in the Check
27. Example When 10 C 0 5 secs 0 5secs 10 2 secs Discharge temperature TH4 3 217 3 217 When the discharge thermistor detects 100 C or more hundreds digit tens digit and ones digit are displayed by turns Example When 105 0 5 secs 0 5secs 1 gt 05 2 secs Output step of outdoor FAN 0 10 The number of ON OFF times of com pressor 0 9999 0 9999 When the number of times is 100 or more hundreds digit tens digit and ones digit are displayed by turns Example When 42500 times 425 x100 times 0 5 secs 0 5secs 4 gt 25 gt t 2 secs Compressor integrating operation times 0 9999 0 9999 When it is 100 hours or more hundreds digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 x10 hours 0 5 secs 0 5secs 2 gt 45 gt 2 secs Compressor operating current 0 50 0 50 Omit the figures after the decimal fractions Compressor operating frequency 0 255 0 255 When it is 100Hz or more hundreds digit tens digit and ones digit are displayed by turns Example When 125Hz 0 5 secs 0 5secs 1 gt 25 gt 2 secs LEV A opening pulse
28. Indoor unit power supply Outdoor unit power supply Earth leakage breaker Wiring circuit breaker or isolating switch Outdoor unit Indoor unit outdoor unit connecting cales Remote controller Indoor unit Indoor unit power supply Indoor unit earth If the indoor and outdoor units have separate power supplies refer to the table below If the optional indoor power supply terminal kit is used change the indoor unit electrical box wiring referring to the figure in the right and the DIP switch settings of the outdoor unit control board Indoor unit specifications Indoor power supply terminal kit option Required Indoor unit electrical box connector con Required nection change Label affixed near each wiring diagram R for the indoor and outdoor units Seed Outdoor unit DIP switch settings when using separate indoor unit outdoor unit ON power supplies only OFF 112 SW8 Set the SW8 3 to ON Connectors connections when shipped rom the factory are for indoor unit power Electric heater For models with supplied from outdoor unit heater E zje N 5m HE H Rance sisy ern 21 Indoor unit control board m Indoor unit power supplied from outdoor unit when shipped from factory There are 3 types of labels labels A B and C Affix the appropriate labels to the units according to the wiring me
29. oo LL pru outdoor unit Piping length Service Ref Max 75m PUHZ RP100YKA PUHZ RP125YKA PUHZ RP140YKA Mode Cooling Heating Cooling Heating Cooling Heating Power supply phase cycle voltage 3phase 50Hz 400V Max current 9 5 13 External finish Munsell 3Y 7 8 1 1 Refrigerant control Linear Expansion Valve Compressor Hermetic Model ANB33FDVMT ANB42FDXMT Motor output 2 4 2 9 Starter type Inverter Protection devices HP switch Comp shell thermo Discharge thermo Crankcase heater Heat exchanger Plate fin coil Fan Fan drive x No Propeller fan x 2 Fan motor output kW 0 060 0 060 Airflow me min CEM 110 3 880 120 4 230 OUTDOOR UNIT Defrost method Reverse cycle Noise level Cooling dB 49 Heating dB 51 Dimensions mmi in 1 050 41 5 16 D mm in 330 30 13 1 3 16 H mm in 1 338 52 11 16 Weight kg Ibs 124 273 126 278 132 291 Refrigerant R410A Charge kg Ibs 5 0 11 0 Oil Model L 1 40 FV50S Pipe size O D Liquid mm in 9 52 3 8 Gas mm in 15 88 5 8 Connection method Indoor side Flared Outdoor side Flared Between the indoor amp Height difference Max 30m
30. outdoor unit Piping length Max 50m Service Ref PUHZ RP100VKA PUHZ RP125VKA PUHZ RP140VKA Mode Cooling Heating Cooling Heating Cooling Heating Power supply phase cycle voltage Single 50Hz 230V Max current 26 5 External finish Munsell 3Y 7 8 1 1 Refrigerant control Linear Expansion Valve Compressor Hermetic Model ANB33FDUMT ANB42FDWMT Motor output 2 4 2 9 Starter type Inverter Protection devices HP switch Comp shell thermo Discharge thermo Crankcase heater Heat exchanger Plate fin coil Fan Fan drive x No Propeller fan x 2 Fan motor output kW 0 060 0 060 Airflow m min CFM 110 3 880 120 4 230 OUTDOOR UNIT Defrost method Reverse cycle Noise level Cooling dB 49 Heating dB 51 Dimensions W mm in 1 050 41 5 16 D mm in 330 30 13 1 3 16 H mm in 1 338 52 11 16 Weight kg Ibs 116 256 119 262 Refrigerant R410A Charge kg Ibs 5 0 11 0 Oil Model L 140 FV50S Pipe size O D Liquid mm in 9 52 3 8 Gas mm in 15 88 5 8 Connection method Indoor side Flared Outdoor side Flared Between the indoor amp Height difference Max 30m a i na
31. 1213 S080 s TTE Dess 20 0 E un Wt c e 39 3 esol _ DES Tears a Connect to the 5 outdoor power 2 circuit board CN7 Solder RG00D002 E52 F53 AC250V BA AC250V AC250V GA a ee L1 A2 L2 A2 L3 A2 L1 OU L2 OU L3 OU Connect to the ACL1 ACL2 ACL3 Connect to the outdoor power circuit board TB L1 L2 L3 79 Outdoor M NET board optional LED3 LED4 LED3 Outdoor unit LED5 CN2M Receiving Transmitting connecting display Energizing Connec to M NET CN5 display of Serial M NET board communication 12V with outdoor board Supply SWI LED1 Switch for Energizing communication display of display between M NET board M NET and board 5V power supply CND Power supply 5V 12V input SW12 S ax to 5V DC Input 5 M NET address M NET address 1s digit to 12V DC Input 6 6 11 10 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS 1 Function of switches Action by the switch operation ON OFF Function Effective timing When compressor is working in heating operation 1 Abnormal history clear Clear Normal off or operating Forced defrost 1 Start Normal 5 7 Refrigerant address setting When power supply ON m nu a 23256 23156 aum 123456 123456 123456 12 14
32. 7 8 gt epis 3 iufieu oq gt A Sz peseupund sjenuew pue yfi eqisnu pue sog ay UMOYS jo p UBD syoq p S9008 JO aidwiexa 21580 pue Duidig Pun y eJnoes eseojd eoeds jo suoisueuig smoys ou SNOILOSHIG 9NIgIM NIdld 7 51108 NOILYONNOJ 30145 39839 39749 3383 Oo 8 WIRING DIAGRAM PUHZ RP35VHA4 PUHZ RP50VHA4
33. If the signal was not received by the sensor you will not hear a beep or a double beep may be heard Reenter the unit number setting Select a mode Press the temp button to set a mode Press 24 to turn on the function that raises the set temperature by 4 degree during heat operation Direct the wireless remote controller toward the sensor of the indoor unit and press the gt button The sensor operation indicator will flash and beeps will be heard to indicate the current setting number Current setting number 1 1 beep 1 second 2 2 beeps 1 second each 3 3 beeps 1 second each mode number that cannot be recognized by the unit is entered 3 beeps of 0 4 seconds will be heard Reenter the mode number If the signal was not received by the sensor you will not hear a beep or a double beep may be heard Reenter the mode number Select the setting number Press the temp button to select the setting number 02 Not available Direct the wireless remote controller toward the receiver of the indoor unit and press the button The sensor operation indicator will flash and beeps will be heard to indicate the the setting number Setting number 1 2 beeps 0 4 seconds each 2 2 beeps 0 4 seconds each repeated twice 3 2 beeps 0 4 seconds each repeated 3 times setting number that cannot be recognized by the unit is entered the setting will turn back to the original setting If th
34. Press the CLOCK buttons v to select the desired buttons simultaneously for atleast 2 seconds FUNCTION will start to flash refrigerant address The refrigerant address changes from 00 to 15 This operation is not possible for single refrigerant systems and then the remote controller s display content will change as shown below KA aba AN Refrigerant address display section N nr nm UU 7 SELECTION gt SELEM tre If the unit stops after flashed for 2 seconds 88 flashes in the room temperature display area for 2 seconds a transmission error may have occurred Check to see if there are any sources of noise or interference near the transmission path Note If you have made operational mistakes during this procedure exit function selection see step and then restart from step e Set the indoor unit number Press the CLOCK buttons C7 CA to select the unit number Press ON OFF button so that flashes in the unit number display of the indoor unit for which you want to perform function selection The unit area number changes to 00 01 02 03 04 and AL each time a button is pressed Unit number PUMETIOM n N n 5 0000 display section In gt any e e To set modes 01 to 06 or 15 to 22 sele
35. A Control Service Tool 9 2 setting Check converse connection of extension pipe or converse wiring of indoor outdoor unit connecting wire M NET communication error Error Code Abnormal points and detection method Note Indoor unit in the text indicates M NET board in outdoor unit Case Judgment and action Address duplicate definition This error is displayed when transmission from the units of same address is detected Note The address and attribute displayed at remote controller indicate the con troller that detected abnormality There are 2 or more same address of controller of out door unit indoor unit FRESH MASTER or LOSSNAY Noise has entered into trans mission signal and signal was transformed Search the unit with same address as abnor mality occurred If the same address is found shut the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more after the address is corrected and turn the power on again Check transmission waveform or noise on transmission wire Hard ware error of transmission processor Transmission processor intended to trans mit 0 but 1 appeared on transmission wire Note The address and attribute display at remote controller indicate the con troller that detected abnormality Error is detected if waveform is transformed when wiring works of transmission wire of ou
36. Compressor overcurrent breaking Abnormality of current sensor P B Abnormality of power module Check if stop valves are open Check looseness disconnection and converse connection of compressor wiring Measure resistance values among terminals on compressor using a tester Check if outdoor unit has a short cycle on its air duct 5 blinking Open short of discharge thermistor TH4 and shell thermistor TH32 Open short of outdoor thermistors TH3 TH6 TH7 and TH8 Check if connectors TH3 TH4 TH6 TH7 and TH32 on outdoor controller board and connector CN3 on outdoor power board are not disconnected Measure resistance value of outdoor thermistors 6 blinking Abnormality of heatsink temperature Check if indoor outdoor units have a short cycle on their air ducts Measure resistance value of outdoor thermistor TH8 7 blinking Abnormality of voltage Check looseness disconnection and converse connection of compressor wiring Measure resistance value among terminals on compressor using a tester GCheck the continuity of contactor 52C Check if power supply voltage decreases Check the wiring of CN52C Check the wiring of CNAF 1 blinking Abnormality of room temperature thermistor TH1 Abnormality of pipe temperature thermistor Liquid TH2 Abnormality of pipe temperature thermistor Condenser Evaporator Check if connectors CN20 CN21 CN29 and CN44
37. F3 F5 F9 After startup is displayed Incorrect wiring between the indoor and outdoor unit Polarity green twice and red once blink is wrong for S1 S2 S3 alternately EA Eb gt Remote controller transmission wire short There is no outdoor unit of address 0 Address is other than 0 Remote controller transmission wire open Display appears but soon disappears After startup is displayed only After canceling function selection operation is not possible for even when remote controller is operated green lights up 00 about 30 seconds Normal No display appears even when remote controller operation switch is turned on Operation lamp does not light up After startup is displayed only green lights up 00 Press the remote controller s CHECK button twice to perform self diagnosis See the table below for the contents of LCD display Contents of trouble Contents of trouble P1 Abnormality of room temperature thermistor U1 UP Malfunction outdoor unit P2 Abnormality of pipe temperature thermistor Liquid F3 F9 Malfunction outdoor unit P4 Abnormality of drain sensor Float switch connector open E0 E5 Remote controller transmitting error P5 Drain overflow protection is operating E6 EF Indoor outdoor unit communication error P6 Freezing overheating protection is operating No error history P8 Abnormality of pipe temp
38. PO PO DY OO Po 09 X1 The functions above are available only when the wired remote controller is used The functions are not available for floor standing models Meaning of Function setting mode02 indoor temperature detecting connected with remote controller REMOTE No 2 The data of the sensor on the indoor unit that No 3 The data of the sensor on main remote controller 94 REMOTE 2 Functions available when setting the unit number to 01 03 or AL 07 in case of wireless remote controller When setting functions for an indoor unit in an independent system set the unit number to 01 referring to setting the indoor unit num ber of Operating Procedure When setting functions for a simultaneous Twin Triple indoor unit system set the unit number to 01 to 03 for each indoor unit in case of selecting different functions for each unit referring to setting the indoor unit number of Operating Procedure When setting the same functions for an entire simultaneous Twin Triple indoor unit system set refrigerant address to AL 07 in case of wireless remote controller referring to setting the indoor unit number of Operating Procedure Function Settings 4 Way cassette Ceiling Setting concealed No Initial setting Factory setting Not available Ceiling suspended wal mounted Floor standing PLA BA PEA GA PCA KA PK
39. REFRIGERANT PIPING outdoor unit Piping length Max 75m Service Ref PUHZ RP200YKA PUHZ RP200YKAR1 PUHZ RP250YKA Mode Cooling Heating Cooli ng Heating 2 5 cc o Q a 2 o Power supply phase cycle voltage 3 phase 50Hz 400V Max current External finish Munsell 3Y 7 8 1 1 Refrigerant control Linear Expansion Valve Compressor Hermetic Model ANB52FFQMT ANB66FFRMT Motor output 4 7 5 5 Starter type Inverter Protection devices HP switch Comp shell thermo Discharge thermo Crankcase heater Plate fin coil Fan Fan drive x No Propeller fan x 2 Fan motor output kW 0 150 0 150 Airflow m min CFM 140 4 940 Defrost method Reverse cycle Noise level Cooling dB Heating dB Dimensions mm in 1 050 41 5 16 D mm in 330 30 13 1 3 16 H mm in 1 338 52 11 16 Weight kg Ibs 135 297 141 311 Refrigerant R410A Charge kg Ibs 7 1 15 7 7 7 17 0 Oil Model L 1 70 FV50S 1 70 FV50S REFRIGERANT PIPING Pipe size O D Liquid mm in 9 52 3 8 12 7 1 2 Gas mm in 25 4 1 25 4 1 Connection method Indoor side Flared Outdoor side Flared amp Brazing Between the indoor amp Height differenc
40. Solve short cycle Replace outdoor controller circuit board Check compressor Refer to 11 6 Before the replacement of the outdoor controller circuit board disconnect the wiring to compressor from the outdoor power circuit board and check the output voltage among phases U V W during test run No defect on board if voltage among phases U V V W and W U is same Make sure to perform the voltage check with same performing frequency Replace outdoor power circuit board Check the dip switch setting of outdoor con troller circuit board Remote controller transmission error E0 signal receiving error E4 Abnormal if main or sub remote control ler cannot receive normally any trans mission from indoor unit of refrigerant address 0 for 3 minutes Error code EO Abnormal if sub remote controller could not receive any signal for 2 minutes Error code EO Q Abnormal if indoor controller board can not receive normally any data from remote controller board or from other indoor controller board for 3 minutes Error code E4 Indoor controller board cannot receive any signal from remote controller for 2 minutes Error code E4 Q Contact failure at transmission wire of remote controller All remote controllers are set as sub remote controller In this case EO is displayed on remote controller and E4 is displayed at LED LED1 LED2 on the outdoor controller circuit board Mis
41. 0 66 Discharge temperature 67 66 72 81 71 83 Condensing temperature 44 38 46 46 46 Suction temperature Refrigerant circuit 15 4 8 5 7 Ref pipe length 5 5 5 5 5 27 20 27 20 27 Intake air temperature 19 15 19 15 19 Indoor side Discharge air temperature 11 3 35 Intake air temperature Outdoor side 24 The unit of pressure has been changed to MPa based on international SI system The conversion factor is 1 MPa z10 2 kgf cm 14 Representative matching PLA RP100BA3 x2 PLA RP125BA2 x2 Mode Cooling Heating Cooling Heating Capacity 19 000 22 400 22 000 27 000 Input 5 50 5 70 6 83 7 48 Indoor unit PLA RP100BA3 PLA RP125BA2 Phase Hz 1 50 1 50 Voltage 230 Current 1 00 2 0 94 x 2 1 07 x2 1 00x2 Outdoor unit Electrical circuit PUHZ RP200YKA PUHZ RP200YKAR1 PUHZ RP250YKA Phase Hz 3 50 3 50 Voltage 400 Current gt Discharge pressure lt D Suction pressure D Discharge temperature Condensing temperature Suction temperature Refrigerant circuit Ref pipe length Intake air temperature In
42. 10 REFRIGERANT SYSTEM DIAGRAM 31 11 TROUBLESHOOTING 35 12 FUNCTION SETTING eene 94 13 MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER 101 14 EASY MAINTENANCE FUNCTION 111 15 DISASSEMBLY PROCEDURE 116 PUHZ RP60VHA4 PUHZ RP71VHA4 PARTS CATALOG OCB451 SU 1 TECHNICAL CHANGE PUHZ RP200YKA gt PUHZ RP200YKAR1 Power board P B has been changed Controller board C B has been changed S W version up 2 REFERENCE MANUAL 2 1 INDOOR UNIT SERVICE MANUAL Model name Service Ref Service Manual No PLA RP35 50 60 71 100 125BA PLA RP35 50 60 7 1 100 125BA 2 UK OCH412 PLA RP71 125 140BA2 PLA RP71 125 140BA2 UK OCB412 OCH459 OCB459 OCH454 OCB454 PCA RP71 125HA PCA RP71 125HA 1 OC329 PLA RP100BA3 PLA RP100BA3 PCA RP50 60 71 100 125 140KA PCA RP50 60 71 100 125 140KA OCH453 OCB453 OCH452 OCB452 PKA RP35 50HAL PKA RP35 50HAL PKA RP60 71 100KAL PKA RP60 71 100KAL PSA RP71 100 125 140GA PSA RP71 100 125 140GA 1 0C332 HWE08130 PEAD RP35 50 60 71 100 125 140JA L PEAD RP35 50 60 71 100 125 140JA L R1 UK BWE08240 BWE09220 PEA RP200 250 400 500GA TH AF PEA RP200 250 400 500GA PEA RP200 250GA TH AFMF HWE0708A 3 SAFETY PRECAUTION 3 1 ALWAYS OBSERVE FOR SAFETY Before obtain
43. 90 S 2 S 80 70 e a 60 gt a 50 2 7 hij 40 a a 8 5 30 a z f 20 APPROXIMATE HEARING FOR i amp CONTINUOUS I 1 NC 20 NOISE r 1 O 10 T 63 125 250 500 1000 2000 4000 BAND CENTER FREQUENCIES Hz PUHZ RP200YKA MODE 5248 COOLING 58 PUHZ RP200YKAR1 emc 90 20 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 10 T 1 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz 12 6 5 STANDARD OPERATION DATA Representative matching PLA RP35BA PLA RP50BA PLA RP60BA PLA RP71BA2 Mode Cooling Heating Cooling Heating Cooling Heating Cooling Heating Capacity 3 600 4 100 5 000 6 000 6 000 7 000 7 100 8 000 Input 1 07 1 12 1 55 1 62 1 82 1 60 1 90 1 90 Indoor unit PLA RP35BA PLA RP50BA PLA RP60BA PLA RP71BA2 Phase Hz 1 50 1 50 1 50 Voltage 230 230 Current 0 22 0 14 0 36 0 29 Outdoor unit Electrical circuit PUHZ RP35VHA4 PUHZ RP50VHA4 PUHZ RP60VHA4 PUHZ RP71VHA4 Phase Hz 1 50 1 50 1 50 1 50 V
44. Detection restarts when defrosting mode is over Heating range 3 deg Condenser Evaporator temperature TH5 intake temperature TH1 Slight temperature difference between indoor room temperature and pipe liquid or condenser evaporator temperature thermistor Shortage of refrigerant Disconnected holder of pipe liquid or condenser evaporator thermistor Defective refrigerant circuit Converse connection of extension pipe on plural units connection Converse wiring of indoor outdoor unit connecting wire on plural units connection Defective detection of indoor room temperature and pipe condenser evaporator temperature thermistor Stop valve is not opened completely 49 Check pipe liquid or condenser evaporator temperature with room temperature display on remote controller and outdoor controller circuit board Pipe liquid or condenser evaporator temperature display is indicated by setting SW2 of outdoor controller circuit board as follows Conduct temperature check with outdoor controller circuit board after connecting A Control Service Tool PAC SK52ST Temperature display of indoor condenser evaporator pipe Indoor 1 1 2 3 4 5 6 Temperature display of indoor liquid pipe Indoor 1 Temperature display of indoor condenser evaporator pipe Indoor 2 Q1 2 3 4 5 6 Temperature display of indoor liquid pipe Indoor 2
45. In case of replacing thermistor lt Outdoor gt TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 4 above to remove thermistor Outdoor 2 phase pipe Photo 6 Lead wire of thermistor Outdoor TH7 Sensor holder 6 Removing the thermistor Outdoor pipe TH3 TH33 and thermistor Discharge TH4 thermistor Shell TH32 1 Remove the service panel See Photo 1 2 Disconnect the connectors TH3 white and TH4 white TH33 yellow TH32 black on the controller circuit board in the electrical parts box 3 Loosen the clamp for the lead wire under the electrical parts box 4 Pull out the thermistor Outdoor pipe TH3 TH33 and thermistor Discharge TH4 from the sensor holder Removing the thermistor lt Shell gt TH32 5 Remove the sound proof cover upper for compressor 6 Pull out the thermistor Shell TH32 from the holder of the compressor shell TH33 See Photo 9 or Figure 1 Photo 8 Thermistor Sound proof cover Shell TH32 Photo 7 Thermistor Outdoor pipe TH3 Discharge THA 127 OPERATING PROCEDURE PHOTOS 7 Removing the 4 way valve coil 2194 and LEV coil Figure 1 PUHZ RP100 125VKA LEV A LEV B LEV C only for RP140 4 way valve 1 Remove the service panel See Photo 1 2154 4 way valve
46. amp from the unit CHECK LOUVER 8 Press the CES button and check whether the auto vane operates E properly TESTRUN Press the ON OFF button to stop the test run SET RESET CLOCK Note Point the remote controller towards the indoor unit receiver while following steps to It is not possible to run in FAN DRY or AUTO mode 37 11 3 HOW TO PROCEED SELF DIAGNOSIS 11 3 1 When a Problem Occurs During Operation If aproblem occurs in the air conditioner the indoor and outdoor units will stop and the problem is shown in the remote controller display CHECK and the refrigerant address are displayed on the temperature D display and the error code and unit number are displayed alternately as shown below If the outdoor unit is malfunctioning the unit number will be 00 ii In the case of group control for which one remote controller controls CA multiple refrigerant systems the refrigerant address and error code of the aan OMENS 5 unit that first experienced trouble i e the unit that transmitted the error GY CA CO code will be displayed S 204 f A TOENA Ja To clear the error code press ihe button Alternating
47. column of Table 1 to indicate the change 97 12 1 2 Selecting functions using the wireless remote controller Type C Functions can be selected with the wireless remote controller Function selection using wireless remote controller is available only for refriger ant system with wireless function Refrigerant address cannot be specified by the wireless remote controller Flow of function selection procedure The flow of the function selection procedure is shown below This example shows how to turn off the function that raises the set temperature by 4 degrees during HEAT operation Mode 24 2 The procedure is given after the flow chart aa MITSUBISHI ELECTRIC pem AG D Check the function selection setting Switch to function selection mode Check mode is the mode entered when Enter address 50 in check mode you press the CHECK button twice to display then press the button CHECK ON OFF _ amp TEMP Specify unit No 01 since the function applies to unit 01 6 Set address 01 while still in check mode then press the C button YES Note You cannot specify the refrigerant address Changs FAN 5 9 NO unit No SO CS Select mode No 24 function that raises set temperature by 4 degrees during HEAT operation MODE VANE AUTOSTART Set addres
48. connect transmission of control and central control system of outdoor unit then abnormality is detected Check if transmission wire of indoor unit FRESH MASTER LOSSNAY or remote con troller is not connected to terminal block for central control TB7 of outdoor unit Check if transmission wire of indoor unit FRESH MASTER or LOSSNAY is not con nected to terminal block for transmission wire of outdoor unit Check if terminal block for transmission wire and terminal block for central control TB7 is not connected Check transmission waveform or noise on transmission wire Communication error with communica tion processor Defective communication between unit processor and transmission processor Note The address and attribute display at remote controller indicate the con troller that detected abnormality Data of transmission proces Sor or unit processor is not transmitted normally because of accidental trouble such as noise or thunder surge Address forwarding from unit processor is not transmitted normally because of defective transmission processor hard ware 50 Turn off the power supply of outdoor unit indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more and turn the power on again System returns nor mally if abnormality was accidental malfunc tion If the same abnormality generates again abnormality generated controller may be defec ti
49. d 2 E 12345678 123456 M NET ADAPTER rH 7 3 i i 2 SW5 1 to 5 Function Switch SYMBOL NAME The black square W indicates a switch position TB7 Terminal Block M NET connection CN5 Connector lt Transmission gt CND Connector lt Power Supply gt CN2M __ Connector lt M NET communication SWI Switch lt Status of communication gt 5111 Switch Address setting 1s digit SW12__ Switch lt Address setting 10s digit gt LED1 LED lt Power Supply DC5V gt LED2 LED lt Connection to Outdoor Unit gt LED3 LED lt Transmission Sending gt LED4 LED lt Transmission Receiving gt LEDS LED lt Power Supply DC12V gt 24 PUHZ RP200YKAR1
50. eoeds 009 190 0014849 UMOYS ale 59298 9005 10 pepeeu eoeds jo suoisueuiiq Ww 1340 wwo 3383 eu SI Jejnorued jo uoneuejdx3 ejdurexe orseq smoys eu L SNOLLO38IQ ONIIM ONIdld 7 5 NOILWONNOS 30795 JOINYAS 39vdS 3384 T mm 660 aloy 67 82 noxoouy V loot T 091 T 091 Re 26 _ 8 H oo es io p b ad T 3 dB n S 5 TA Inoyoouy jnoxpouy 09 97 inoyoouy Seu noyoouy a 5J 5 Buun 1 Buidid 14614 9
51. m A control remote controller Refrigerant System address 00 controller M NET Power address 01 supply unit for transmission wire A control remote controller Refrigerant address 01 M NET address 02 Group C i A control remote controller Refrigera address 4 7 Refrigerant address M NET address 04 00 A control remote Refrigerant address 02 address 05 In group B M NET address of the outdoor unit whose refrigerant address is 00 is not set to the minimum in the group As 3 is right for this situation the setting is wrong Taking group A as a good sample set the minimum M NET address in the group for the outdoor unit whose refrigerant address is 00 30 10 REFRIGERANT SYSTEM DIAGRAM Unit mm inch PUHZ RP35VHA4 PUHZ RP50VHA4 Heat exchanger ee the Stop valve Thermistor TH6 with service port Outdoor 2 phase pipe Solenoid Charge plug Refrigerant GAS pipe Four way valve connection 1 2F Thermistor TH3 Outdoor pipe Strainer 50 Ja Distributor High pressure switch 63H Thermistor TH4 17 Discharge Thermistor TH32 Shell ___ Thermistor TH33 Outdoor pipe Linear expansion valve B Strainer Stop valve 100 Refrigerant LIQUID pipe connection 1 4F Strainer
52. 32 1111010 111 00 33 1 00 34 110 110 111 00 35 11111011 1 00 36 1 1 1 0 1 ya 00 37 olo lolilili 00 38 1 0 0 1 1 1 00 39 1 1 1 00 1 1 0 1 1 1 00 3B 0 1 1 1 1 00 3C 110 111 1 1 00 3D 1 1 1 1 1 00 1 1 1 1 1 1 00 109 Indoor unit Model setting information Request code 162 Data display o O See the table on the right Indoor unit Capacity setting information Request code 163 Data display 0 0 HI See the table on the right Display Model setting state Display Model setting state 00 PSA RP GA PSH PGAH 20 01 21 PKA RP FAL 2 PKH P FALH 02 PEAD RP EA 2 GA PEHD P EAH 22 PCA RP GA 2 PCH P GAH PLA RP BA PLA RP71 100BA2 03 SEZ KA VA 23 04 24 05 SLZ KA VA L 25 06 PCA RP HA 26 PCA RP KA 07 27 08 28 09 PEA RP400 500GA 29 0 2 Ob PEA RP200 250GA 2b PKA RP GAL PKH P GALH 0 2 0 2d 0E 2E OF 2F PLA RP AA 10 30 11 PEA RP EA 31 PLH P AAH 12 MEXZ GA VA L 32 13 33 PKA RP HAL KAL 14 34 PEAD RP JA L 15 35 16 36 PLA RP AA2 17 37 PLA RP100BA3 140BA2 18 38 19 39 1A 3A 1b 3b 1 3C 1d 3d 1E 3E 1F 3F Display Capacity setting state Display Capacity setting state 00 12
53. 5 il pn Y G LED2 i r 7 7 7 LED3 1 9999 m 5 5 56 6669 59 posse 595559 555 69966 LED4 4 13 12 1 4 12 21 1 1 6 1375 M NET ADAPTER 3 TH33 TH32 TH7 6 TH3 TH4 LEV A LEVB CNMNT YLW BLK RED WHT WHT WHT RED 888668 WHT WHT PEE LEV C 5 Em O S MF2 E ae T g8 e 92259900005024 MS ERES 63H z 3 YLW WHT zE CN52C 5 CN31 x CN2 CN4 RED wun s 2 ITRANS 0999999 CE Bz ile CNDC 4 2 p PNK 3 E F2 CNAC F3 g WHT x 2 CNS 1 2 Fi F4 2194 1 3 55 WHT ast ES GRN 59 WHT 2154 2 rtr P B 1 00 2 06000000 7 WHT WHT BLK CNDC WHT N2 PNK d 1 T RED BLK 777 9 4 W dv 20 DCL2 DCLI El BLK DCL BE wW U 777 Ms M NET ADAPTER SYMBOL NAME 5 em TB7 Terminal Block M net connection Foye CN5 Connector lt Transmission gt 8 3 3 CND Connector lt Power Supply iy MODEL SELECT CN2M Connector lt M NET communication gt 13MODEL SELEC L N 51 52 53 SWI Switch Status of communication MODEL Swe SW5 6 2 EE swit Switch lt Address setting 1s digit gt 160 ON ON E 5112 Switch Address setting 10s digit gt or Ee aa ee INDOOR LED1 LED lt Power Supply DC5V gt __ 00 1 UNIT LED2 LED Connection to Outdoor Unit
54. 8 Disconnect the indoor outdoor connecting wire from board N F Gonto ler terminal block board C B 4 Disconnect the connector CNF1 CNF2 LEV A and LEV B a LEV C RP140 on the controller circuit board lt Symbols on the board gt CNF1 CNF2 Fan motor LEV A LEV B LEV C LEV JA 5 Disconnect the pipe side connections of the following parts T erminal e Thermistor Outdoor pipe TH3 TH33 block TB1 Thermistor lt Discharge gt TH4 E ERE TAS e Thermistor Outdoor 2 phase pipe Outdoor TH7 6 7 9 High pressure switch 63H 4 way valve coil 2154 a 4 Terminal Thermistor Shell TH32 block TB2 6 Disconnect the lead wires from the reactors Vaive bed Terminal cover Reactors Continued to the next page 131 From the previous page OPERATING PROCEDURE PHOTOS amp ILLUSTRATION plate equipped with the outdoor controller circuit board and the electrical parts box screw from the front and the screw and from the bottom of the electrical parts box See Photo 6 and 7 3 Slide the plate in the direction of the arrow A and remove it See Photo 6 4 Remove the lead wires from the clamp on the bottom of the electrical parts box See Photo 6 5 Remove the screws screw and that fix the bottom side of the electrical parts box and remove the bottom side plate by sliding i
55. A LEV BLEV C Electronic Expansion Valve L2 A2 0U Connection Terminal L2 Power Supply Connect to Optional M NET Adapter Board ACL1 ACL4 Reactor L3 A2 0U Connection Terminal lt L3 Power Supply gt CNVMNT Connector 1 CB2 Main Smoothing Capacitor N IN Connection Terminal Connect to Optional M NET Adapter Board gt CK Capacitor CK OU Connection Terminal CNDM Connector RS Rush Current Protect Resistor Controller Circuit Board lt Connection for Option Contact Input P B Power Circuit Board swi Switch lt Forced Defrost Defect History Record CNS3S Connector Connection for Option gt TB U V W Connection Terminal lt U V W Phase gt Reset Refrigerant Adress CN51 Connector lt Connection for Option gt TB L1 L2 L3 Connection Terminal lt L1 L2 L3 Power Supply gt SWA4 Switch lt Test Operation gt 51 52 Relay RP140 only 63 TH32TH7 THe TH3 LEV A LEV B When M NET adapter is connected M M 3 zu p c C X dog i jt A 21 5 5 59 6956 53 59 055555 595559 555 66664 LL mx 12523 1 6 1 61 5 5 TH32 TH76 THA LEVA CNVMNT CNMNT Jt ER YLW BLK RED WHT WHT WHT RED WHT WHT ce BE B lE gecesi ZEE SE T3 289985 6 posoococoocooo 5 WES 63H X LIBER VT CNM EE s YLW WHT LES fa a s 0000000 2 F 3 110 7 ser CNAC 5 8 wan E 2 e Sa
56. Display CHECK B5 IT CHECK NEM pi ERROR GODE uN nn Eg nn Sie uu e LILI e Error code 2 or 4 digits Address 3 digits or unit number 2 digits When using remote local controller combined operation cancel the error code after turning off remote operation During central control by MELANS controller cancel the error code by pressing the D ON OFF button 11 3 2 Self Diagnosis During Maintenance or Service Since each unit has a function that stores error codes the latest check code can be recalled even if it is cancelled by the remote controller or power is turned off Check the error code history for each unit using the remote controller Set the unit number or refrigerant address you want to diagnose D Switch to self diagnosis mode Press the TEMP buttons V and CA to select the desired number Press the CHECK button twice within 3 seconds The display content or address The number address changes between 01 and 50 or 00 will change as shown below and 15 00 _ d LILI e LILI e The refrigerant address will begin to blink Unit number or refrigerant address approximately 3 seconds after being to be diagnosed selected and the self diagnosis process will begin Q Display self diagnosis results When there is error code history For the definition of each error code refer to the indoor unit s installation manual or servi
57. Flat i E S2 5555 15 4 From left to right S1 Open S2 S3 P Round CO 25 4 Clockwise S1 S2 S3 Open 30 oo Connect S1 nad S3 to the opposite angle 4 1 Power supply cords of appliances shall not be lighter than design 60245 IEC or 3C Flat cable x 2 227 IEC QTO lt 2 In case that cable with stripe of yellow and green is available 3 case of regular polarity connection S1 S2 S3 wire size is 1 5 mm S1 S2 S3 4 In case of regular polarity connection S1 S2 S3 6 Mentioned cable length is just a reference value 5 In the flat cables are connected as this picture they can be used up to 30 m It may be different depending on the condition of installation humidity or materials etc 28 9 4 M NET WIRING METHOD Points to note 1 Outside the unit transmission wires should stay away from electric wires in order to prevent electromagnetic noise from making an influence on the signal communication Place them at intervals of more than 5 cm Do not put them in the same conduit tube 2 Terminal block TB7 for transmission wires should never be connected to 220 240V power supply If it is connected electronic parts on M NET P C board may burn out 3 Use 2 core 1 25mme shield wire CVVS CPEVS for the transmission wire Transmission signals may not be sent or received normally if different types of transmission wires are put together in the same multi conductor cable Never do this beca
58. N 69 69 Al Bl Earth Wire Transmission Shield wire part 9 4 1 M NET address setting In A control models M NET address and refrigerant address should be set only for the outdoor unit Similar to CITY MULTI System there is no need to set the address of outdoor unit and remote controller To construct a central control system the setting of M NET address should be conducted only upon the outdoor unit The setting range should be 1 to 50 the same as that of the indoor unit in CITY MULTI system and the address number should be consecutively set in a same group Address number can be set by using rotary switches SW11 for 1s digit and SW12 for 10s digit which is located on the M NET board of outdoor unit Initial setting all addresses are set to 0 9 4 2 Refrigerant address setting Setting example M NET Address 1 Switch setting 2 SW11 S32 P oS SW12 KEN XR asses 35 135 VS eU In case of multiple grouping system multiple refrigerant circuits in 1 group indoor units should be connected by remote controller wiring TB5 and the refrigerant address needs to be set Leave the refrigerant addresses to 00 if the group set ting is not conducted Set the refrigerant address by using DIP SW1 3 to 6 on the outdoor controller board Initial
59. Remove the top panel See Figure 1 3 Disconnect the connector TH7 red on the controller circuit board in the electrical parts box 4 Loosen the clamp for the lead wire in the rear of the electrical parts box See Photo 4 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 4 to remove thermistor Outdoor 2 phase pipe gt Photo 7 Sensor holder Removing the thermistor Discharge TH4 and thermis tor Shell TH32 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back panel See Photo 1 5 Remove the electrical parts box See Photo 5 Thermistor Discharge TH4 6 Pull out the thermistor Discharge TH4 from the sensor holder See Photo 8 Thermistor Shell TH32 6 Pull out the thermistor Shell TH32 from the sensor holder See Photo 8 Thermistor Discharge Thermistor Shell TH32 Removing the 4 way valve 2154 and LEV coil LEV A LEV B 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back panel See Photo 1 5 Remove the electrical parts box See Photo 5 Removing th
60. Replace the outdoor circuit controller board when the failure is still indicated even after performing the action above Overvoltage or voltage shortage and synchronous signal to main circuit Abnormal if any of followings are detected during compressor operation Decrease of DC bus voltage to 310V RP35 140V only Instantaneous decrease of DC bus volt age RP35 140V 200V RP100 140Y 350V RP200 250Y 400V Increase of DC bus voltage to RP35 71V 420V RP100 140V 400V RP100 250Y 760V Decrease of input current of outdoor unit to 0 1A only if operation frequency is more than or equal to 40Hz or compres Sor current is more than or equal to 6A Check 09 error detail SW2 all ON Refer to 11 10 Decrease of power supply volt age Disconnection of compressor wiring Defective 52C RP100 140V Defective power circuit board RP100 140V Disconnection or loose con nection of CN52C RP35 71V RP100 140V Defective PFC module of out door power board RP35 71V Defective outdoor converter cir cuit board RP100 140Y Defective 52C drive circuit of outdoor controller circuit board RP35 140V 9 Disconnection or loose connection of CN5 on the outdoor power circuit board Defective 52C drive circuit of outdoor power circuit board RP100 140Y Disconnection or loose connection of CN2 on the outdoor power circuit board Check the facility of power supply C
61. TH32 1 Remove the service panel See Photo 1 2 Disconnect the connectors TH3 white and TH4 white TH33 yellow TH32 black on the controller circuit board in the electrical parts box 3 Loosen the clamp for the lead wire in the rear of the electrical parts box See Photo 5 4 Pull out the thermistor lt Outdoor pipe gt TH3 TH33 and thermistor lt Discharge gt TH4 from the sensor holder Removing the thermistor lt Shell gt TH32 5 Remove the compressor cover upper and pull out the thermistor lt Shell gt TH32 from the holder of the compres sor shell TH3 TH33 See Figure 1 Photo 7 122 Compressor cover upper Dischage thermistor TH4 OPERATING PROCEDURE PHOTOS 7 Removing the 4 way valve coil 2154 LEV coil LEV A LEV B 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 5 Removing the 4 way valve coil 4 Remove 4 way valve coil fixing screw M4 x 6 6 Disconnect the connector 2154 green on the controller board in the electrical parts box Removing the LEV coil 4 Remove the LEV coil by sliding the coil upward on the controller circuit board in the electrical parts box 5 Remove the 4 way valve coil by sliding the coil toward you 5b Disconnect the connectors LEV A white and LEV B red 8 Removing the 4 way valve 1 Remove the serv
62. _ Liquid line size Liquid line size line size size 3 6 kg charge kg 12 7 over all length m 49 52 overall length m 49 52 overall length m 456 35 overall length m X 0 11 kg m X 0 09 kg m X 0 06 kg m x 0 02 kg m Additional charge amount RP200 3 6 kg for 70m RP250 4 8 kg 6 3 COMPRESSOR TECHNICAL DATA at 20 PUHZ RP100 125YKA PUHZ RP140YKA Service Ref PUHZ RP35 50VHA4 PUHZ RP60 71VHA4 PUHZ RP100 125VKA PUHZ RP140VKA Compressor model SNB130FGCH SNB172FDHM1 ANB33FDUMT ANB42FDWMT ANB33FDVMT ANB42FDXMT U V Winding Resistance U W Q W V Service Ref at 20 PUHZ RP250YKA ANB66FFRMT PUHZ RP200YKA R1 ANB52FFQMT Compressor model Winding Resistance U Q 10 6 4 NO
63. and press the reset button of remote controller 62 11 6 HOW TO CHECK THE PARTS PUHZ RP35 50 60 71VHA4 PUHZ RP100 125 140VKA PUHZ RP100 125 140 200 250 YKA PUHZ RP200YKAR1 Parts name Check points Thermistor TH3 Outdoor pipe Thermistor TH4 Discharge Thermistor TH6 Outdoor 2 phase pipe Thermistor TH7 Outdoor Thermistor TH8 lt Heatsink gt Thermistor TH32 lt Shell gt Thermistor TH33 lt Outdoor pipe gt Disconnect the connector then measure the resistance with a tester At the ambient temperature 10 C 30 Normal Abnormal 160kQ 410kQ TH4 TH32 TH3 TH6 4 3kQ 9 6kQ TH7 TH33 TH8 39kQ 105kQ Open or short Fan motor MF1 MF2 Refer to next page Solenoid valve coil Four way valve 2154 Measure the resistance between the terminals with a tester At the ambient temperature 20 C Normal Abnormal RP35 71 RP100 250 235021700 143541500 Open or short Motor for compressor MC u e Measure the resistance between the terminals with a tester Winding temperature 20 C Normal Abnormal Refer to 6 2 Open or short Linear expansion valve LEV A LEV B For RP35 RP71 Disconnect the connector then measure the resistance with a tester Winding temperature 20 C 1 2 3 4 5 6 White Normal Abnormal Red Wh
64. board in the electrical parts box 4 Loosen the 2 wire clamps on top of the electrical parts box 5 Pull out the thermistor Outdoor 2 phase pipe TH6 from the sensor holder Note In case of replacing thermistor Outdoor 2 phase pipe TH6 replace it together with thermistor Outdoor TH7 since they are combined together Refer to No 6 below to remove thermistor lt Outdoor gt Photo 11 Thermistor Electrical parts box _ Outdoor 2 phase pipe gt TH6 6 Removing the thermistor lt Outdoor gt TH7 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the connector TH7 6 red on the controller circuit board in the electrical parts box 4 Loosen the 2 wire clamps on top of the electrical parts box See Photo 11 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 5 above to remove thermistor Outdoor 2 phase pipe Lead wire of thermistor Outdoor TH7 Sensor holder 7 Removing the thermistor Outdoor pipe TH3 TH33 and thermistor Discharge thermistor Shell TH32 1 Remove the service panel See Photo 1 2 Disconnect the connectors TH3 white and TH4 white TH33 yellow TH32 black on the controller circuit board
65. can be used TIMER MODE OFF The timer mode cannot be used When the use of clock setting is OFF the WEEKLY TIMER cannot be used 4 Contact number setting for error situation To switch the setting press the CO ON OFF button CALL OFF The set contact numbers are not displayed in case of error CALL The set contact numbers are displayed in case of error The contact number can be set when the display is as shown on the left Setting the contact numbers To set the contact numbers follow the following procedures Move the flashing cursor to set numbers Press the I TEMP V7 and A button to move the cursor to the right left Press the CLOCK V and A button to set the numbers 4 4 Display change setting 1 Temperature display F setting To switch the setting press the ON OFF button The temperature unit is used F The temperature unit F is used 2 Room air temperature display setting To switch the setting press the ON OFF button ON The room air temperature is displayed Q OFF The room air temperature is not displayed 3 Automatic cooling heating display setting To switch the setting press the ON OFF button ON of Automatic cooling and Automatic heating is displayed under the automatic mode is running OFF Only Automatic is displayed under the automatic mode CALL_
66. circuit board controller circuit board CN52C CNDC E2 Connect to the earth F b e U V W P2 DCL1 DCL2 El E4 CNAC1 CNAC2 NI LI Connect to the compres Connect to the smooth Connect to DCL Connect to the 220 240 V AC Voltage of 220 240 V AC sor MC Voltage among ing capacitor CB earth Connect to the out is input Connect to the phases 10 V 180 V AC door controller circuit terminal block TB1 board CNAC 77 Outdoor power circuit board PUHZ RP100YKA PUHZ RP125YKA PUHZ RP140YKA PUHZ RP200YKA PUHZ RP200YKAR1 PUHZ RP250YKA CN5 Detection of primary current Connect to the outdoor noise filter circuit board CNCT CN4 Connect to the outdoor controller circuit board CN4 CN7 Connect to the outdoor converter circuit board CN7 Brief Check of POWER MODULE Usually they are in a state of being short circuited if they are broken Measure the resistance in the following points connectors etc If they are short circuited it means that they are broken 1 Check of POWER MODULE Check of DIODE circuit L2 P1 ILS P1 LT IN1 L2 INT L3 N1 Check of IGBT circuit P2 U 2 P2J W 2 0 IN2 V N2 z Note The marks L1
67. contents below before investigating details Unit conditions at service Error code Actions to be taken for service summary Judge what is wrong and take a corrective action according Displayed to 11 4 Self diagnosis action table The trouble is reoccurring Conduct trouble shooting and ascertain the cause of the Not displayed trouble according to 11 5 Troubleshooting by inferior phenomena Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor poor connection of wiring noise and etc Re check the symptom and check the installation environment refrigerant amount weather when the trouble occurred matters related to wiring and etc Reset error code logs and restart the unit after finishing service GThere is no abnormality in electrical component controller board remote controller and etc The trouble is not reoccurring the abnormal symptom Conduct trouble shooting and ascertain the cause of the trouble according to 11 5 Troubleshooting by inferior phenomena Not logged GContinue to operate unit for the time being if the cause is not ascertained There is no abnormality concerning of parts such as electrical component controller board remote controller and etc 11 2 CHECK POINT UNDER TEST RUN 1 Before test run After installation of indoor and outdoor units piping work and electric
68. disconnect the compressor lead wire 6 Remove 2 electrical parts box fixing screws 4 x 10 and detach the electrical parts box by pulling it upward The electrical parts box is fixed with 2 hooks on the left and 1 hook on the right Electrical parts box fixing screw 126 OPERATING PROCEDURE PHOTOS 4 Removing the thermistor Outdoor 2 phase pipe TH6 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the connector TH7 6 red on the controller circuit board in the electrical parts box 4 Loosen the clamp for the lead wire in the rear of the electrical parts box 5 Pull out the thermistor Outdoor 2 phase pipe TH6 from the sensor holder Note In case of replacing thermistor Outdoor 2 phase pipe TH6 replace it together with thermistor Outdoor TH7 since they are combined together Refer to No 5 below to remove thermistor Outdoor Photo 5 Controller circuit board C B Thermistor Outdoor 2 phase pipe TH6 5 Removing the thermistor Outdoor TH7 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the connector TH7 6 red on the controller circuit board in the electrical parts box 4 Loosen the clamp for the lead wire in the rear of the electrical parts box See Photo 5 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note
69. displayed Initial setting value Room air temperature is not displayed One of Automatic cooling and Automatic heating is displayed under the automatic mode is running Initial setting value Only Automatic is displayed under the automatic mode 100 13 MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER 13 1 HOW TO MONITOR THE OPERATION DATA Tum onthe Monitoring the operation data meses p ELECTRIC Example Request code 004 Discharge temperature 69 C DA 59 9 rg E Refrigerant address 00 Tae o EE uui TEMP DON OFF 7 GO C _ 5 OMENU IN FILTER UE 5 A Maintenance mode Quem GD em em e 1 B Refrigerant address PAR 21MAA GEN C Data display area 4 2 6 D Request code display area 1 Press the TEST button for 3 seconds so that Maintenance mode appears on the screen at 9 2 Press the CHECK button for 3 seconds to switch to Maintenance monitor Note Itis not possible to switch to Maintenance monitor during data request in maintenance mode i e while is blinking since no buttons are operative Operating the service inspection monitor appears on the screen at when Maintenance monitor is activated The display at now allows you to set a request c
70. e e 8 e 9 e e A e b e e e e F e e e Outdoor unit Capacity setting display Request code 70 Data display Capacity 9 35 10 50 11 60 14 71 20 100 25 125 28 140 40 200 50 250 Outdoor unit Setting information Request code 71 Data display 0 Setting information Defrost mode Standard T iE oak Display Setting information 0 Setting information 1 For high humidity Single Heat pump Display 3 phase cooling only Single phase nca pump Cooling only 3 phase neal pump Cooling only 108 Outdoor unit switch setting display SW1 to SW10 except SW3 Request codes 73 to 82 0 Switch OFF 1 Switch ON 0 Switch OFF 1 Switch ON A Data display 1 2715 4 Data display 00 00 00 00 1 1 00 01 1 00 01 1 00 02 00 02 1 1 1 00 03 111 0 00 03 00 04 00 04 1 0 111 00 05
71. gt Indoor pipe temperature Eva 39 88 TH5 on error occurring When the temperature is 0 C or less and 39 88 temperature are displayed by turns Example When 15 0 5 secs 0 5 2 secs 15 gt Outdoor pipe temperature 2 phase 39 88 TH6 on error occurring When the temperature is 0 C or less 39 88 temperature are displayed by turns Example When 15 0 5 secs 0 55 5 2 secs 15 gt Outdoor ambient temperature TH7 39 88 error occurring When the temperature is 0 C or less 39 88 temperature are displayed by turns Example When 15 0 5secs 0 55 5 2 secs 15 o t Outdoor heatsink temperature TH8 40 200 error occurring When the temperature is 0 C or less 40 200 temperature are displayed by turns When the temperature is 100 C or more hundreds digit tens digit and ones digit are displayed by turns 91 SW2 setting Display detail Explanation for display Discharge superheat on error occurring Cooling TH4 TH6 Heating TH4 TH5 0 255 When the temperature is 100 C or more hundreds digit tens digi
72. gt ON ON E POWER SUPPLY LED3 LED lt Transmission Sending gt OFF 123456 N 230 50Hz LED4 LED lt Transmission Receiving gt LED5 LED Power Supply DC12V gt ON ON 14V OFF BEEBEEEN oc 12345678 123456 2 SW5 1 to 5 Function Switch The black square indicates a switch position 22 PUHZ RP100YKA PUHZ RP125YKA PUHZ RP140YKA
73. in the electrical parts box 3 Loosen the clamp for the lead wire under the electrical parts box 4 Pull out the thermistor lt Outdoor pipe gt TH3 TH33 and thermistor lt Discharge gt TH4 from the sensor holder TH33 See Figure 1 Removing the thermistor lt Shell gt TH32 5 Remove the sound proof cover upper for compressor 6 Pull out the thermistor lt Shell gt TH32 from the holder of the compressor shell Photo 14 Thermistor Sound proof cover lt Shell gt TH32 Photo 13 Thermistor Outdoor pipe TH3 Discharge THA 133 OPERATING PROCEDURE PHOTOS 8 Removing the 4 way valve coil 2194 and LEV coil Photo 15 LEV A LEV B LEV C only for RP140 WS i 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 Removing the 4 way valve coil 3 Remove 4 way valve coil fixing screw M4 x 6 4 Remove the 4 way valve coil by sliding the coil toward you 5 Disconnect the connector 2154 green on the controller circuit board in the electrical parts box Removing the LEV coil 3 Remove the LEV coil by sliding the coil upward 4 Disconnect the connectors LEV A white and LEV B red LEV C blue on the controller circuit board in the electrical parts box 9 Removing the 4 way valve 1 Remove the service panel See Photo 1 2 Remove the top panel See Phot
74. isolating switch Outdoor unit No 2 Unit power i Supply 1 Indoor outdoor unit connection cable Indoor unit TER is Unit f power 9 t supply t ie i P dg e 52 169 4 1 CO emote controller TB4 2 ka me ERE Y 9 2 SEPARATE INDOOR UNIT OUTDOOR UNIT POWER SUPPLIES The following connection patterns are available The outdoor unit power supply patterns vary on models 1 1 System Outdoor unit power supply Earth leakage breaker lt For models without heater gt The optional indoor power supply terminal kit is required 1 Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units Simultaneous twin triple system For models without heater gt The optional indoor power supply terminal kit is required of of A O KO N I I Tea Gu 1 4 Gu 63 63 B B B Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units Wiring circuit breaker or isolating switch Outdoor unit Indoor unit outdoor unit connecting cords Remote controller KJ Indoor unit Option
75. large amount of mineral oil enters that can cause deterio ration of refrigerant oil etc If a charging cylinder is used the composition of refrigera nt will change and the efficiency will be lowered Charge refrigerant from liquid phase of gas cylinder If the refrigerant is charged from gas phase composition change may occur in refrigerant and the efficiency will be lowered Ventilate the room if refrigerant leaks during operation If refrigerant comes into contact with a flame poisonous gases will be released 1 Cautions for service 1 Perform service after recovering the refrigerant left in unit completely 2 Do not release refrigerant in the air 3 After completing service charge the cycle with specified amount of refrigerant 4 When performing service install a filter drier simultaneously Be sure to use a filter drier for new refrigerant 2 Additional refrigerant charge When charging directly from cylinder Check that cylinder for R410A on the market is syphon type Charging should be performed with the cylinder of syphon stood vertically Refrigerant is charged from liquid phase Gravimeter 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant Tool name Specifications Gauge manifold Only for R410A Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or ov
76. number actually transmitted through the transmis sion path If such a problem is occurring the transmitted data is affected by noise etc Check the transmission path M ERROR CODE e There might be noise or interference on the transmission path or the indoor unit or other remote controllers are defective Check the transmission path and other controllers te When the number of data errors is 02 Transmission data from remote controller nin Din Transmission data on transmission path To cancel remote controller diagnosis Press the CHECK button for 5 seconds or more Remote controller diagnosis will be cancelled PLEASE WAIT and operation lamp will blink After approximately 30 seconds the state in effect before the diagnosis will be restored 39 11 3 4 Malfunction diagnosis method by wireless remote controller In case of trouble during operation gt When a malfunction occurs to air conditioner both indoor unit and outdoor unit will stop and operation lamp blinks to inform unusual stop lt Malfunction diagnosis method at maintenance service CHECK 144 display ae MITSUBISHI ELECTRIC ON OFF TEMP ON OFF 4 f button 086 FAN AUTOSTOP pO MODE VANE AUTOSTAR amp CHECK LOUVER h CHECK _ 77 TEST RUN min button x PEST 9006
77. sent for about 20 seconds When the valve moves smoothly there is no sound or vibration occurring from the linear expansion valve however when the pulse number moves from 6 to or when the valve is locked more sound can be heard No sound is heard when the pulse number moves from 8 to in case coil is burnt out or motor is locked by open phase Sound can be detected by placing the ear against the screw driv er handle while putting the screw driver to the linear expansion valve Opening a valve 66 Linear expansion valve RP100 RP250 1 Operation summary of the linear expansion valve Linear expansion valve opens closes through stepping motor after receiving the pulse signal from the outdoor controller board Valve position can be changed in proportion to the number of pulse signal Connection between the outdoor controller board and the linear expansion valve Outdoor controller board Connector LEV A LEV B LEV C lt 415 Opening a valve 8 gt 7 565554535218 Closing a valve 1 5 2535455565781 The output pulse shifts in above order When linear expansion valve operation stops all output phase become OFF 2 Linear expansion valve operation When the switch is turned on 700 pulse closing valve signal will be sent till it goes to point in order to define the valve position The pulse signal is bei
78. setting all switches are OFF All refrigerant addresses are 00 NODODDOODO NOOmODO emu mLL Idgumsmrbp for OO c OOO 3 123456 123456 1234556 1234 56 1234 556 123456 123456 1234596 Refrigerant gt 0 1 2 3 4 5 6 7 address DOOINNN NOOREEE 7 fore 7 0 oc 707 7 7 fore OOO jor 1234556 1234556 123456 123456 123456 1234556 1234556 1231556 8 9 10 11 12 13 14 15 9 4 3 Regulations in address settings In case of multiple grouping system M NET and refrigerant address settings should be done as explained in the above sec tion Set the lowest number in the group for the outdoor unit whose refrigerant address is 00 as its M NET address Group A Group B peer Ni a Refrigerant System _ address 00 controller M NET address 01 A control remote controller Power supply unit for transmission wire E Refrigerant address 00 M NET address 02 Refrigerant address 01 M NET address 03 JL
79. value 158 ida 00 indicates fan control data For indoor fan pulsation control Pulsation ON OFF 159 Indoor fan output value duty value 00 indicates fan control data For indoor DC brushless motor control 160 161 162 Indoor unit Model setting information Referto 13 2 1 Detail Contents in Request Code 163 Indoor unit Capacity setting information Referto 13 2 1 Detail Contentsin Request Code 164 Indoor unit SW3 information Undefined 165 Wireless pair No indoor control board side setting Referto 13 2 1 Detail Contentsin RequestCode 166 Indoor unit SW5 information Undefined 167 189 190 Indoor unit Microprocessor version information Examples Ver 5 01 0501 Ver 191 Indoor unit Microprocessor version information sub No Auxiliary information displayed after version information _ Examples Ver 5 01 A000 A000 192 764 765 Stable operation Heat mode This request code is not provided to collect data It is used to fix the operation state 766 Stable operation Cool mode This request code is not provided to collect data It is used to fix the operation state This request code is not provided to collect data It is used to cancel the operation state that has been 767 Stable operation cancellation fixed by request codes 765 and 766 105 13 2 1 Detail Contents in Request Code Operation state Request code 0 D
80. were some trouble of M above repair the defect then turn off the power sup ply of outdoor unit indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more and turn the power on again If there was no trouble with above in single refrigerant system one outdoor unit controller of displayed address or attribute is defective f there was no trouble with O above in dif ferent refrigerant system 2 or more outdoor units judge with If address of abnormality source is the address that should not exist there is the unit that memorizes nonexistent address information Delete useless address informa tion with manual setting function of remote controller Only the system FRESH MASTER or LOSSNAY are connected to or the system that is equipped with group setting of differ ent refrigerant system If there was no trouble with above replace the controller board of displayed address or attribute If the unit does not return normally multi con troller board of outdoor unit may be defective repeater circuit Replace multi controller board one by one to check if the unit returns normally Continued to the next page From the previous page Error Code Abnormal points and detection method Case Judgment and action 4 If displayed address or attribute is remote controller indoor unit detects abnormality when indoor unit transmits signal to remote controll
81. wiring work re check that there is no refrigerant leak age loosened connections and incorrect polarity Measure impedance between the ground and the power supply terminal block L N on the outdoor unit by 500V Megger and check that it is 1 0MQ or over Do not use 500V Megger to indoor outdoor connecting wire terminal block S1 S2 S3 and remote controller terminal block 1 2 This may cause malfunction lt Make sure that test run switch SW4 is set to OFF before turning on power supply Turn on power supply 12 hours before test run in order to protect compressor For specific models which require higher ceiling settings or auto recovery feature from power failure make proper changes of settings referring to the description of 12 FUNCTION SETTING Make sure to read operation manual before test run Especially items to secure safety 35 TEST RUN and the currently selected Operating procedures While the room temperature display on the remote controller is PLEASE WAIT the remote controller is disabled operation mode are displayed alternately Wait until PLEASE WAIT disappears before using remote controller Displays the remaining Turn on the main power supply PLEASE WAIT appears for about 2 minutes after power test run time supply is turned on 1 Press TEST button twice The TEST RUN appears on the screen Cooling mode Check if cool air blows and water is drained Prose D
82. 0 in the rear Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov braze the pipes so that the inside of pipes are not Photo 8 4 way valve coil 4 way valve High pressure Switch 63H Figure 1 LEV coil Thermistor Outdoor pipe TH33 4 way valve Thermistor coil 2154 Outdoor pipe High pressure TH3 Switch 63H 4 way valve LEV coil LEV B Thermistor Discharge TH4 123 OPERATING PROCEDURE PHOTOS 10 Removing the high pressure switch 63H 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 4 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and remove the right side panel 5 Pull out the lead wire of high pressure switch 6 Recover refrigerant 7 Remove the welded part of high pressure switch Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the high pressure switch cover it with a wet cloth to prevent it from heating 100 C or more then braze the pipes so that the inside of pipes are not oxidized Note 1 Recover refrigerant without spreading it in the air Photo 8 Lead wire of high pressure switch High pressure switch 63H 11 Removing the reactor ACL 1 Remove the service panel See Photo 1 2 Remove
83. 0 480 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 150 pulse 0 5 secs 0 5secs 1 gt 50 gt F 2 secs Error postponement code history 1 of outdoor unit Postponement code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement Code display Operation mode on error occurring Operation mode of when operation stops due to error is displayed by setting SW2 like below SW2 ON Code display SW2 setting Display detail Explanation for display Pipe temperature Liquid TH3 on error occurring 40 90 40 90 When the coil thermistor detects OC or below and temperature are displayed by turns Example When 15 C 0 5 secs 2 secs gt OL 0 5secs 15 Compressor temperature TH4 or discharge temperature TH4 on error occurring 3 217 3 217 When the temperature is 100 C or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 C 0 5 secs 0 55 5 2 secs 1 30 gt Compressor operating current on error occurring 0 50 Error code history 1 latest Alternate
84. 10 112 01 16 11 125 02 22 12 140 03 25 18 160 04 28 14 200 05 32 15 224 06 35 36 16 250 07 40 17 280 08 45 18 09 50 19 0A 56 1A Ob 63 1b 0C 71 1C Od 80 1d 0E 90 1E OF 100 1F Wireless pair No indoor control board side setting Request code 165 Data display 0 0 See the table on the right Display Pair No setting state 00 No 0 01 No 1 J41 disconnected 02 No 2 J42 disconnected 03 No J41 J42 disconnected k 14 EASY MAINTENANCE FUNCTION e Reduces maintenance work drastically Enables you to check operation data of the indoor and outdoor units by remote controller Furthermore use of maintenance stable operation control that fixes the operating frequency allows smooth inspection even for inverter models Smooth Mainte nance Function Discharge temperature 64 C Conventional inspection work eOutdoor unit eindoor unit e Remove the Measure service panel the intal MITSUBISHI ELECTO am Easy maintenance information unit Accumulated operating Heat 6 Intake air temperature aT time x10 hours temperature temperature E Number of ON OFF 6 Discharge Heat times x10 times temperature C temperature C 6 Operating Outside air 6 F
85. 109 c SR 7 c _ U 0 aloy 6 1100200120 1 0 dns nid Duum Alans J9MOd jddns amod way 18 Ajddns Jamog aloy Buum iddns semog 18109 MO 5 3J0H 1 5 Ei p d 7 g i 616 WMADHI 001dH ZHNd 2901 09 00 98 29 9 gt V z uojeoo uogoeuuoo FATWA 4015 JO uomeolpul 104 puer UIAOW 10 48 5 2 6 9 44W14 edid 2 48 5 88 c Lo 3v 14 edid sys uesa 1 S9 ON JO jeued ad d SYeU IV 905 Cu 48 UUU mpm Lt Ajddns 97 z z peuo ype 3 ELUL 0901 2 OLN H08 59100 9EXZ L Z abreyosiq eg ge NA 8 S Sg Vm ED oF 2 9917 D gt BS lt oq 4 gt 7 z Ajeoo paseyound in 290 Yo oja sjenuew ILILILILIL TV eerworeresu wopgpueteuuD INOHi eqisnusieusem puesog ay UI elap jo udeue a xXx kens 009 Sm p
86. 110 1 00 05 00 06 11 00 06 1 1111 00 07 11111 0 00 07 1 00 08 1 00 08 1 11 00 09 11 1 00 09 00 0 00 0 1 11011 00 Ob 1 1 0 1 00 Ob 0 0 1 1 0 0 00 0 0 0 1 1 00 OC 1 01111 00 Od 110 1 1 00 0 11111 0 0 00 0l1 11 1 00 OE 1 1 1 1 00 OF 1 1 1 1 00 00 10 1 1 1 00 11 0 11 010 1 0 00 12 0 Switch OFF 1 Switch ON f a Oro Lo 00 13 SW8 Data display oloj 1 o 1 o 00 14 112 3 110 1 1 00 15 0 00 00 1 00 16 110 0 00 01 1 1 1 0 11 0 00 17 011 0 00 02 1 1 00 18 1 170 00 03 1 0 10111 00 19 1 1 00 04 0 1 0 1 1 0 00 1A 1101 00 05 111410 1 1 00 1B 01 00 06 00 1C 00 07 110 111 1 00 10 11 111 1 lo 00 1E 1 1 1 1 1 0 00 1F 0 Switch OFF 1 Switch ON 0 0 0 0 1 00 20 SWA SW9 SW10 bala disney 1 0 0 0 0 1 00 21 1 2 00 22 0 0 00 00 111 1 1 00 23 1 0 00 01 1 1 10 1 00 24 0 1 00 02 1 11 1 00 25 1 1 00 03 1 00 26 111111 1 00 27 1 00 28 110 11 1 00 29 1 1 00 2 11110111011 00 2B 0 1 1 00 2C 110 111 1 00 2D 1 1 1 1 00 2 1 1 1 1 1 00 2 0 0 0 1 1 00 30 1 00 31 1 00
87. 2 Remove the top panel See Photo 1 Removing the 4 way valve coil o 3 Remove 4 way valve coil fixing screw M4 x 6 4 Remove the 4 way valve coil by sliding the coil toward you 5 Disconnect the connector 2184 green on the controller d circuit board in the electrical parts box Removing the LEV coil m 2 Thermistor 3 Remove the LEV coil by sliding the coil upward Outdoor pipe 4 Disconnect the connectors LEV A white and LEV B red TH33 LEV C blue on the controller circuit board in the electrical parts box LEV coil LEV B 8 Removing the 4 way valve n LEV coil 1 Remove the service panel See Photo 1 M LEV A 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 4 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 5 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 6 Remove the 4 way valve coil 7 Recover refrigerant 8 Remove the welded part of 4 way valve Note 1 Recover refrigerant without spreading it in the air gt Note 2 The welded part can be removed easily by remov m gt 5 A s Ball valve ing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from he
88. 200Y OFF AA ARF OFF 12345678 123456 2 SW5 1 to 5 Function Switch The black square indicates a switch position BLK 3 BLK M NET ADAPTER SYMBOL NAME TB7 Terminal Block M NET connection CN5 Connector lt Transmission gt CND Connector lt Power Supply gt CN2M Connector M NET communication SWI Switch lt Status of communication gt SW11__ Switch lt Address setting 1s digit SW12__ Switch lt Address setting 10s digit gt LED1 LED lt Power Supply DC5V gt LED2 LED lt Connection to Outdoor Unit LED3 LED lt Transmission Sending gt LED4 LED lt Transmission Receiving gt LEDS LED lt Power Supply DC12V gt 25 9 WIRING SPECIFICATIONS 9 1 FIELD ELECTRICAL WIRING power wiring specifications Outdoor unit model RP35 50V RP60 70V RP100 125V RP140V RP100 125 140Y RP200 250 N single 50 2 single 50 Hz N single 50 2 single 50 Hz 3 ph 4 wires 3N 3 ph 4 wires Outdoor unit power supply 230 V 230 V 230 V 230 V 50 Hz 400 V 50 Hz 400 V Outdoor unit input capacity Main switch Breaker 1 16A 25A 32A 40A 16A 32A Outdoor unit power supply 3 x Min 1 5 3 x Min 2 5 3 x Min 4 3 x Min 6 5 x Min 1 5 5 x Min 4 le length 50m 3x4 Pol E Indoor unit O
89. 4 x 20 and remove the reactor X The reactor is attached to the rear of the electrical parts box Photo 12 Reactor ACL Electrical parts box Reactor fixing screws 119 OPERATING PROCEDURE PHOTOS 12 Removing the compressor MC 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back panel See Photo 1 5 Remove the electrical parts box See Photo 5 6 Remove the thermistor Discharge TH4 and thermistor Shell TH32 See Photo 8 7 Remove 3 separator fixing screws 4 x 10 and remove the separator 8 Recover refrigerant 9 Remove 3 compressor fixing nuts by using a spanner or a adjustable wrench 10 Remove the welded pipe of motor for compressor inlet and outlet Note Recover refrigerant without spreading it in the air Photo 13 Compressor MC receiver Md E Separator 7 Valve bed fixing screw Compressor fixing nut 13 Removing the power receiver Remove the service panel See Photo 2 Remove the top panel See Photo 1 Remove the front panel See Photo 1 Remove the back panel See Photo 1 Remove the electrical parts box See Photo 5 Recover refrigerant Remove 4 welded pipes of power receiver inlet and outlet Remove 2 receiver leg fixing screws 4 x 10 Remove the p
90. A HAL PKA KAL 100h 2500h No filter sign indicator Quiet Fan speed Standard No of air outlets High ceiling 4 directions Oo N J 3 directions Optional high efficiency 2 directions Not supported e fafa Supported No vanes Vane No 3 setting PLA only Vane No 1 setting Energy saving air Vane No 2 setting Disabled flow Heating mode Enabled Optional humidifier Not supported PLA only Supported Vane differential setting No 1 setting TH5 24 28 in heating mode No 2 setting Standard 5 28 32 cold wind prevention Swing No 3 setting TH5 32 38 Not available Swing Available Wave air flow Set temperature in heating Available mode 4 deg up x1 Fan speed during the Not available Extra low heating thermo OFF Stop Fan speed during the Set fan speed Set fan speed DO Od o 05 To IO a cooling thermo OFF Stop Detection of abnormality of Available the pipe temperature P8 x1 PEAD RP JA L Function Not available PKA HAL KAL 2 deg up Settings m 9 Initial setting Setting No Factory setting Setting No Mode No 08 External s
91. B1 CB2 Main Smoothing Capacitor Reset Refrigerant Address Connected for Option Contact Input RS Rush Current Protect Resistor SWA Switch Test Operation CN3S Connector Connection for Option gt FUSE1 FUSE2 Fuse lt T15AL250V gt SW5 Switch lt Function Switch gt CN51 Connector Connection for Option gt CY1 CY2 Capacitor SW6 Switch lt Model Select gt X51 X52 Relay 63H Ce LEV A LEV B When M NET adapter is connected TH32 TH7TH6 TH3 THA M M cer EE S wal s M M es 11 B uu 3 swi elt m Hor DIPSA gereen gaeren pea kaa EE i TH32 TH76 TH3 THA LEVA LEVB CNMNT S ES LEDs BLK RED WHT WHT WHT RED Ww EB orem 4 LEDa PIS Fee CNF2 z zB 2188 M NET ADAPTER Eg ea 59555555555555 18 3226 gt E 1 CNM 1 2 88 B ur 998 WHT E one 3 FA E TRANS J ND 7 69 ies BE 7 m E CNAC Fa 8 5 e um X E 5 WHT od Fi al 1 218 3 1 ss e 9 i GAN BI wur 3 1 3 4 El 2154 3 8 TB2 El S1 82 5 8 d INDOOR UNIT S3 amp CB2 S 2 N F CNCT BS CNAC2 WHT 1 RED 1 3 RED TB1 RED 101 POWER wer KN SUPPLY 3N BLK 103 400V 50Hz BLU 1 MODEL SELECT IGRNNLW MODEL SW6 SW5 6 2 ON k m ON
92. Check linear expansion valve Refer to 11 6 Error Code Abnormal points and detection method Case Judgment and action U3 TH4 5104 TH32 5132 Open short circuit of discharge temperature thermistor TH4 comp shell thermistor TH32 Abnormal if open 3 C or less or short 217 C or more is detected during compressor operation Detection is inoperative for 10 minutes of compressor starting process and for 10 minutes after and during defrosting Disconnection or contact failure of connector TH4 TH32 on the outdoor controller circuit board Defective thermistor 9 Defective outdoor controller circuit board Check connection of connector TH4 TH32 on the outdoor controller circuit board Check breaking of the lead wire for thermistor THA TH32 Refer to 11 9 Check resistance value of thermistor TH4 TH32 or temperature by microcomputer Thermistor TH4 TH32 Refer to 11 6 SW2 on A Control Service Tool Refer to 11 10 Replace outdoor controller board U4 TH3 5105 TH6 5107 TH8 5110 Open short of outdoor unit thermistors TH3 TH6 TH7 and TH8 Abnormal if open or short is detected during compressor operation Open detection of thermistors TH3 and TH6 is inoperative for 10 seconds to 10 minutes after compressor starting and 10 minutes after and during defrosting Check which unit has abnormality in its thermistor by switching the m
93. Check the wiring of the outdoor unit Check if the wiring is bad Check if the fuses are blown The fuses on the outdoor controller circuit board will be blown when the indoor outdoor connecting wire short circuits Check if miswiring breaking or poor contact is causing this problem Indoor outdoor connecting wire is polarized 3 core type Connect the indoor unit and the outdoor unit by wiring each pair of 51 S2 and S3 on the both side of indoor outdoor terminal blocks Replace the indoor controller board Check if there is miswiring or breaking of wire Replace the indoor power board Symptoms Nothing is displayed on the remote controller Diagnosis flow LED display of the indoor controller board LED1 6 LED2 LED3 or x Inspection method and troubleshooting Check the voltage between S1 and S2 on the terminal block TB4 of the indoor unit which is used to connect the indoor unit and the outdoor unit NO AC 198V to AC 264V Check the status Not lighting of the indoor controller gt goard LEDS dispia Check the looseness or disconnection of the indoor outdoor connecting wire Blinking Are there looseness or disconnection of the indoor outdoor connecting wire Check the refrigerant address of the outdoor unit SW1 3 to 1 6 Check the LED display of the outdoor unit after turning on
94. EAK JUDGE Refrigerant leakage detection Refrigerant leakage initial teaching detection judgment GAS LEAK GAS LEAK TEST START JUDGE GPress FILTER button to confirm Display LOADING 2 NM 17 d Flash Display 27 0 Waiting for response Loading Judgment Display C indication Meaning 96 setting 80 RP60 RP140 0 Refrigerant leakage is less than 20 of initial condition 20 Refrigerant leakage is more than 20 of initial condition 8888 Error No initial data is available lt Note gt for judgment can be changed by Unit function setting of remote controller RP35 RP50 Selectable either 70 initial setting or 50 RP60 RP140 Selectable either 80 initial setting or 60 Refer to 12 1 Mode No 21 When the for judgment is changed please start Initial learning O about 1 minute and cancel Then please start Judgment of refrigerant leakage mode O lt How to reset the initial condition data gt When the unit is removed and installed again or refrigerant is changed additionally the Initial learning must be performed again by following procedure 1 Turn Main Power OFF 2 Connect the pin of CN31 to ON position on the outdoor controller board 3 Turn SW4 1 on the outdoor controller board to ON 4 Turn Main Power ON to reset the initial data After reset the data please turn the pin of CN31
95. ED display of the indoor controller board LED1 O LED2 O LED3 O Symptoms Nothing is displayed on the remote controller Inspection method and Diagnosis flow troubleshooting Check the voltage between S1 and S2 on the terminal block TB4 of the indoor unit which is used to connect the indoor unit and the outdoor unit AC 198V to AC 264V YES NO Check the voltage among L Ls and N on the terminal block TB1 of the outdoor power circuit board AC 198V to AC 264V Check the voltage between S1 and S2 on the terminal block TB1 of the outdoor unit which is used to connect the indoor unit and the outdoor unit AC 198V to AC 264V Check the voltage of indoor controller board CN2D YES DC 12V to DC 16V NO Check the voltage of the unit after removing the indoor power board CN2S DC 12V to DC 16V NO YES Troubles concerning power supply Bad wiring of the outdoor controller board The fuses on the outdoor controller circuit board are blown Bad wiring of the outdoor controller board The fuses on the outdoor controller circuit board are blown Defective indoor controller board Miswiring breaking or poor connection of in door outdoor connecting wire Defective indoor power board Check the power wiring to the outdoor unit Check the breaker
96. EV B 4 valve coil 2154 4 way valve coil fixing screw Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the parts of refrigerant cir cuit cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized OPERATING PROCEDURE PHOTOS 10 Removing the high pressure switch 63H 63H1 63H2 Photo 9 PUHZ RP200YKA RP200YKAR1 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and remove the right side panel 4 Pull out the lead wire of high pressure switch 5 Recover refrigerant 6 Remove the welded part of high pressure switch 63H For RP200 63H1 63H2 For RP250 Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Xm Note 3 When installing the parts of refrigerant cir High pressure switch cuit cover it with a wet cloth to prevent it PUHZ RP250YKA from heating 100 or more then braze the pipes so that the inside of pipes are not oxidized High pressure Switch 63H1 High pressure switch 63H2 at 11 Removing the compressor MC Photo 10 1 Remove th
97. G BY THE REMOTE CONTROLLER Each function can be set as necessary using the remote controller The setting of function for each unit can only be done by the remote controller Select function available from the table 1 Table 1 Function selections 1 Functions available when setting the unit number to 00 Select 00 referring to setting the indoor unit number Function Settings Mode No Setting No 6 Initial setting When sent from the factory Remarks Power failure automatic recovery OFF ON 01 The setting is Indoor temperature detecting 1 Average data from each indoor unit Data from the indoor unit with remote controller Data from main remote controller 02 applied to all the units in the same LOSSNAY connectivity Not supported Supported Indoor unit does not intake outdoor air through LOSSNAY Supported Indoor unit intakes outdoor air through LOSSNAY 03 refrigerant system Power supply voltage 240V 220V 230V 04 Frost prevention temperature 2 Normal 3C 15 Humidifier control When the compressor operates the humidifier also operates When the fan operates the humidifier also operates 16 Change of defrosting control Standard For high humidity 17 Refrigerant leakage 70 RP35 50 80 RP60 140 21 DOJ IDO A
98. Heat mode 4 deg correction 35 Indoor unit Intake air temperature Unit No 4 8 39 1 Heat mode 4 deg correction 36 37 Indoor unit Liquid pipe temperature Unit No 1 39 88 o is displayed if the target unit is not present 38 Indoor unit Liquid pipe temperature Unit No 2 39 88 1 39 Indoor unit Liquid pipe temperature Unit No 3 39 88 1 40 Indoor unit Liquid pipe temperature Unit No 4 39 88 1 41 42 Indoor unit Cond Eva pipe temperature Unit No 1 39 88 0 is displayed if the target unit is not present 43 Indoor unit Cond Eva pipe temperature Unit No 2 39 88 1 44 Indoor unit Cond Eva pipe temperature Unit No 3 39 88 1 45 Indoor unit Cond Eva pipe temperature Unit No 4 39 88 1 46 47 48 Thermostat ON operating time 0 999 Minutes 49 Test run elapsed time 0 120 Minutes lt Not possible to activate maintenance mode during the test run 102 g 8 y Request content Bescrpnan Unit Remarks 2 Display range t 50 Indoor unit Control state Refer to 13 2 1 Detail Contents in Request Code 51 Outdoor unit Control state Refer to 13 2 1 Detail Contents in Request Code 52 Compressor Frequency contro
99. IOPERATION SWITCH Heating mode Check if warm air blows It takes a little while until warm air blows A MITSUI JISHI ELECTRIC TEST RUM 4 Press AIR DIRECTION Jbutton Check for correct motion of auto vanes Check the outdoor unit fan for The outdoor unit features automatic capacity control to provide optimum fan speeds Therefore the fan keeps correct running running at a low speed to meet the current outside air condition unless it exceeds its available maximum power Then in actuality the fan may stop or run in the reverse direction depending on the outside air but this does not amp TEST button mean malfunction Press the ON OFF button to reset the test run in progress Pipe liquid temperature 7 Register the contact number n case of test run the OFF timer will be activated and the test run will automatically stop after 2 hours The room temperature display section shows the pipe temperature of indoor units during the test run Check that all the indoor units are running properly in case of simultaneous twin and triple operation Malfunctions may not be displayed regardless of incorrect wiring 1 After turning on the power supply the system will go into startup mode PLEASE WAIT will blink on the display se
100. ISE CRITERION CURVES MICROPHONE 1 UNIT 1 5m GROUND PUHZ RP35 50VHA4 MODE SPL dB LINE PUHZ RP60VHA4 SPL dB LINE COOLING 44 o o 3 47 o o LM PUHZ RP71VHA4 COQUNG 47 90 F 1 90 5 1 J 1 2 zr G 4 4 pe i ae E i d e SE 4 T F S 80 q TE E S8 80 4 T e i i up ot i NN t i F i 2 70 ASS 8 70 e ES T 7 3 r 1 E NN 60 4 I 4 60 ul i E F t 3 i i pou x 50 E t 50 io d 1 F 2 40 MN 40 a T T E i q a a 3 RN 3 J 2 E z 8 a F Z o 30 E Q 30 a N E B 2 1 I 1 Quoc NN lt ir a 20 APPROXIMATE 2 20 APPROXIMATE THRESHOLD OF i i HEARING FOR H EARI ING FOR NC 20 amp CONTINUOUS NC 20 NOISE i F i 5 NOISE 10 t t F F O 10 t T 1 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz BAND CENTER FREQUENCIES Hz PUHZ RP100VKA MODE SPL dB LINE PUHZ RP125VKA MODE SPL dB LINE COOLING 49 o o COOLING 50 o o PUHZ RP100YKA COOLING 49 PUHZ RP125YKA POOLING 60 90 q q 90 X T i a S 1 1 S T i i 1 1 2 Q T T l i i I I i t S 80 S 80 Ro i1 i i 1 o o ae Ee i T i E ioc m 7 m 7 S JNC 7O m m 90 60 ul ul gt gt l al u 50 w 50 gt 25 a o N ul ul a 40 a 40 a a a a z z 3 3 o 30 30 a a z
101. Indoor side Flared Outdoor side Flared Between the indoor amp Height difference Max 30m oa a cc LU e Lis LU cc outdoor unit Piping length Service Ref Max 50m PUHZ RP60VHA4 PUHZ RP71VHA4 Mode Cooling Heating Cooling Heating Power supply phase cycle voltage Max current Single 50Hz 230V 19 External finish Munsell 3Y 7 8 1 1 Refrigerant control Linear Expansion Valve Compressor Hermetic Model SNB172FDHM1 Motor output Starter type Inverter Protection devices HP switch Comp shell thermo Discharge thermo Crankcase heater Heat exchanger Plate fin coil Fan Fan drive x No Propeller fan x 1 Fan motor output kW 0 086 Airflow m min CFM 55 1 940 OUTDOOR UNIT Defrost method Reverse cycle Noise level Cooling dB 47 Heating dB 48 Dimensions 950 37 3 8 330 30 13 1 3 16 H mm in 943 37 1 8 Weight kg Ibs 67 148 Refrigerant R410A Charge kg lbs 3 5 7 7 Oil Model L 0 70 FV50S Pipe size O D Liquid mm in 9 52 3 8 Gas mm in 15 88 5 8 Connection method Indoor side Flared Outdoor side Flared Between the indoor amp Height difference Max 30m REFRIGERANT PIPING
102. Lead wire of thermistor Outdoor TH7 Sensor holder tor Discharge TH4 and thermistor lt Shell gt TH32 1 Remove the service panel See Photo 1 2 Disconnect the connectors TH3 white and TH4 white on the controller circuit board in the electrical parts box 3 Loosen the clamp for the lead wire in the rear of the elec trical parts box Removing the thermistor lt Outdoor pipe gt TH3 4 Pull out the thermistor Outdoor pipe TH3 from the sensor holder 4 Remove the soundproof cover upper for compressor 5 Pull out the thermistor Shell TH32 from the thermo holder of the compressor shell Removing the thermistor lt Discharge gt TH4 4 Pull out the thermistor Discharge TH4 from the sen sor holder Photo 8 Sound proof cover Thermistor side for compressor Shell TH32 6 Removing the thermistor Outdoor pipe TH3 thermis Photo 7 Thermistor Discharge THA Soundproof cover upper Removing the thermistor lt Shell gt TH32 for compressor Thermistor Outdoor pipe TH3 138 OPERATING PROCEDURE PHOTOS 7 Removing the 4 way valve coil 2154 and linear expan sion valve coil LEV A LEV B 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 Removing the 4 way valve coil 4 Remove 4 way valve coil fixing screw M4 x 6
103. MITSUBISHI ELECTRIC SPLIT TYPE HEAT PUMP AIR CONDITIONERS SERVICE MANUAL R410A Outdoor unit model name PUHZ RP35VHA4 PUHZ RP50VHA4 PUHZ RP60VHA4 PUHZ RP71VHA4 PUHZ RP100VKA PUHZ RP125VKA PUHZ RP140VKA PUHZ RP100YKA PUHZ RP125YKA PUHZ RP140YKA PUHZ RP200YKA PUHZ RP250YKA Service Ref Changes for the Better January 2010 No OCH451 REVISED EDITION A Revision PUHZ RP200YKAR1 is added in REVISED EDITION A P U HZ RP35VHA4 Some descriptions have been PUHZ RP50VHA4 modified PUHZ RP60VHA4 EREMO Please voi PUHZ RP71VHA4 PUHZ RP100VKA Note This manual does not cover the PUHZ RP1 25VKA outdoor units When serving out U HZ RP1 40V KA door units please refer to the serv ice manual of outdoor unit and this P HZ RP1 YKA manual in a set U 00 RoHS compliant products have G P U HZ RP1 25Y KA mark on the spec name plate PUHZ RP140YKA PUHZ RP200YKA PUHZ RP200YKAR1 PUHZ RP250YKA CONTENTS 1 TECHNICAL CHANGE 2 2 REFERENCE MANUAL eere 2 3 SAFETY 2 AEEATURES nen 6 5 SPECIFICATIONS Mee IS 7 E de 10 7 OUTLINES AND DIMENSIONS 16 8 WIRING DIAGRAM 20 9 WIRING 26
104. N ON 7 ON ON ON 8 ON A ON ON Display State 0 Normal 1 Preparing for heat operation 2 8 3 4 Heater is ON 5 Anti freeze protection is ON 6 Overheat protection is ON 7 Requesting compressor to turn OFF F There are no corresponding units Frequency control state Display Discharge temperature Condensation temperature Anti freeze Heatsink temperature overheat prevention overheat prevention protection control overheat prevention 0 1 Controlled 2 Controlled 3 Controlled Controlled 4 Controlled 5 Controlled Controlled 6 Controlled Controlled 7 Controlled Controlled Controlled 8 Controlled 9 Controlled Controlled A Controlled Controlled b Controlled Controlled Controlled Controlled Controlled d Controlled Controlled Controlled E Controlled Controlled Controlled F Controlled Controlled Controlled Controlled 106 Fan control state Request code 53 Data display 0 0 xx step correction value by heatsink temperature overheat prevention control Fan step correction value by cool condensation temperature overheat prevention control Display Correction value mnus 1 0 0 1 1 2 2 Actuator output state Request code 54 Data display 9 o se sk Actuator output state Actuator output state
105. P switch SW4 on the control board of outdoor unit test run can be started and finished and its operation mode cooling heating can be set up OSet the operation mode cooling heating using SW4 2 lt SW4 gt on SW4 1 to start test run with the operation mode set by SW4 2 O Turn off SW4 1 to finish the test run ON There may be a faint knocking sound around the machine room after power is supplied but this is OFF a no problem with product because the linear expansion pipe is just moving to adjust opening pulse There may be a knocking sound around the machine room for several seconds after compressor starts operating but this is no problem with product because the check valve itself generates the Stop Operation sound because pressure difference is small in the refrigerant circuit Cooling Heating Note The operation mode cannot be changed by SW4 2 during test run To change test run mode stop the unit by SW4 1 change the operation mode and restart the test run by SW4 1 34 11 TROUBLESHOOTING 11 1 TROUBLESHOOTING Error code display by self diagnosis and actions to be taken for service summary Present and past error codes are logged and displayed on the wired remote controller and control board of outdoor unit Actions to be taken for service which depends on whether or not the trouble is reoccurring at service are summarized in the table below Check the
106. P35 140V Noise filter circuit board for RP100 250Y 72 Outdoor noise filter circuit board PUHZ RP35VHA4 PUHZ RP50VHA4 LI NI Voltage of 220 240V AC is input El Connect to the terminal block TB1 Connect to the earth E2 Connect to the earth Connect to the earth CNAC1 CNAC2 220 240V AC Connect to the outdoor control ler circuit board CNAO CN5 Primary current Connect to the outdoor power circuit board CN5 LO NO Voltage of 220 240V AC is output Connect to the ACL CN52C 52C relay signal Connect to the outdoor controller circuit board CN52C 73 Outdoor noise filter circuit board PUHZ RP60VHA4 PUHZ RP71VHA4 El E2 Connect to the earth CNAC1 CNAC2 220 240V AC Connect to the outdoor control ler circuit board CNAO CN5 Primary current Connect to the outdoor power circuit board CN5 CN52C T 1 52C relay signal Connect to the outdoor controller circuit board CN52C LO NO Voltage of 220 240V AC is output Connect ACL 74 E3 Connect to the earth Outdoor ise filter circuit board PUHZ RP100YKA PUHZ RP125YKA PUHZ RP140YKA PUHZ RP200YKA PUHZ RP200YKAR1 LI2 NI POWER SUPPLY PUHZ RP250YKA GD1 Connect to the earth CNAC1 CNAC2 AC220 230 240V Connect to the outdoor controller circuit board CNAC uv
107. Removing the high pressure switch 63H 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and remove the right side panel 4 Pull out the lead wire of high pressure switch 5 Recover refrigerant 6 Remove the welded part of high pressure switch Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the high pressure switch cover it with a wet cloth to prevent it from heating 100 C or more then braze the pipes so that the inside of pipes are not oxidized Saseu bz 4 way valve m ERE Away valve 1 coil 2154 Figure 1 PUHZ RP100 125YKA High pressure Switch 63H Thermistor Outdoor pipe TH33 LEV coil LEV A LEV coil High pressure switch 63H LEV coil LEV B Thermistor lt Outdoor pipe gt TH33 4 way valve coil 2184 4 way valve LEV coil LEV A 134 OPERATING PROCEDURE PHOTOS 12 Removing the reactors ACL1 ACL2 ACL3 1 Remove the service panel See Photo 1 2 Remove the 4 fixing screws the reactor box 2 front 2 back of reactor 8 Disconnect the lead wires from the reactor See Photo 17 4 Remove each 4 fixing screws 2 front 2 back o
108. SW4 1 to original OFF position lt Caution gt 1 On the following condition the operation cannot be stabillized and judgment of cheking operation may not be accurate a Outdoor temperature 2 40 C or Room temperature 23 C b Airflow setting is not High notch 2 Please check the operation and unit status when the operation is not stabilized after more than 45 minutes 115 15 DISASSEMBLY PROCEDURE PUHZ RP35VHA4 PUHZ RP50VHA4 OPERATING PROCEDURE PHOTOS 1 Removing the top panel service panel front panel and Photo 1 Top panel Top panel back panel S E A fixing screws 1 Remove the top panel fixing screws 4 x 10 one from A the right and two from the eft side and detach the top i a4 panel e 4 Back panel 1 pel 2 Remove 1 service panel fixing screw 4 x 10 and detach A the service panel by pulling it downward See Photo 2 pu Service panel Grille EZ for charge 3 Remove the front panel fixing screws 4 x 10 5 from the plug e front 2 from the right and 2 from the left side and detach the front panel gt 4 Remove the back panel fixing screws 4 x 10 4 the Front panel right and 3 from the rear side and detach the back panel Photo 2 Service panel fixing screw Pull down 4 hooks 2 Removing the fan motor Photo 3 Remove the top panel See Photo 1 Propeller Electrical parts box 1 2 Re
109. See Photo 4 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 and then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and then remove the right side panel 8 Recover refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10 Remove 2 receiver leg fixing screws 4 x 10 Note Recover refrigerant without spreading it in the air 141 Photo 11 Power receiver Valve bed fixing screw Valve bed Valve bed fixing screws Separator Compressor 7 Separator fixing screw Power receiver ks leg fixing screws Compressor fixing nuts Photo 12 Inlet pipe Outlet pipe SUNAN s MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2009 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Jan 2010 No OCH451 REVISED EDITION A PDF 5 New publication effective Jan 2010 Distributed in May 2009 No OCH451 PDF 7 Specifications subject to change without notice Made in Japan
110. Terminal block Outdoor Unit Good Retightened 8 9 Indoor Unit Good Retightened E Insulation resistance MO e Voltage V Gora Accumulated operating time Time Number of ON OFF times Times G Current A Refrigerant heat exchanger temperature COOL HEAT 8 Refrigerant discharge temperature COOL C HEAT 5 B amp Air outside air temperature COOL C HEAT 5 e Air discharge temperature COOL C HEAT g Good Cleaning required e S g Heat exchanger Good Cleaning required SoundNibration None Present Air intake air temperature COOL HEAT 8 Air discharge temperature COOL HEAT 8 Refrigerant heat exchanger temperature COOL HEAT 2 Filter operating time Time 5 o Decorative panel Good Cleaning required g 9 Filter Good Cleaning required E Fan Good Cleaning required o Heat exchanger Good Cleaning required Sound vibration None Present The filter operating time is the time that has elapsed since the filter was reset ERES Check item Normal Normal operation state Filter inspection Filter may be clogged 1 Inspection A Performance has dropped Detailed in spection is necessary Inspection B Refrigerant amount is dropping Inspection C Filter or indoor heat exchanger may be clogged The above judgement is just guide based on Japanese standard conditions It may be changed depe
111. To prevent piping stress be sure to attach the coil holding the main body of linear expansion valve firmly Otherwise pipe may break 69 11 8 EMERGENCY OPERATION 1 When the error codes shown below are displayed on outdoor unit or microcomputer for wired remote controller or indoor unit has a failure but no other problems are found emergency operation will be available by setting the emergency opera tion switch SWE on indoor controller board to ON and short circuiting the connector CN31 on outdoor controller board eWhen following abnormalities occur emergency operation will be available Error code Inspected content U4 Open short of outdoor unit thermistor TH3 TH6 TH7 TH8 E8 Indoor outdoor unit communication error Signal receiving error Outdoor unit E9 Indoor outdoor unit communication error Transmitting error Indoor unit Communication error other than outdoor unit Ed Communication error between outdoor controller board and M NET board Serial communication error 2 Check the following items and cautions for emergency operation Make sure that there is no abnormality in outdoor unit other than the above abnormalities Emergency operation will not be available when error code other than the above are indicated For emergency operation it is necessary to set the emergency operation switch SWE on indoor controller board Refer to the electrical wiring diagram of indo
112. Valve TB P2 Connection Terminal CN31 Connector lt Emergency Operation gt 63H 63H1 63H2 High Pressure Switch TB C1 Connection Terminal LED1 LED2 LED Operation Inspection Indicators TH3 Thermistor lt Outdoor Pipe TB N1 Connection Terminal F3 F4 Fuse T6 3AL250V gt TH4 Thermistor lt Discharge gt X52A 52C Relay 55 Connector lt Connection for Option TH6 Thermistor Outdoor 2 Phase Pipe Noise Filter Circuit Board CNM Connector lt A Control Service Inspection Kit gt TH7 Thermistor lt Outdoor gt LH LIZ LIS NI Connection Terminal lt L1 L2 L3 NI Power supply gt CNMNT Connector TH32 Thermistor lt Shell gt 101 1 02103 Connection Terminal lt L1 L2 L3 Power supply lt Connected to Optional M NET Adapter Board gt LEV ALLEV B Electronic Expansion Valve GD1 GD2 Connection Terminal lt Ground gt CNVMNT Connector ACL4 Reactor Controller Circuit Board Connected to Optional M NET Adapter Board DCL Reactor SW Switch Forced Defrost Defect History Record CNDM Connector CB1 CB2 Main Smoothing Capacitor Reset Refrigerant Address Connected for Option Contact Input RS Rush Current Protect Resistor SWA Switch Test Operation CN3S Connector lt Connection for Option FUSE1 FUSE2 Fuse lt T15AL250V gt SW5 Switch lt Function Switch gt CN51 Connector lt Connection for Option CY1 CY2 Capacitor SW6 Switch lt Model Select gt X51 X52 Relay E LEV A LEV B When M NET adapter is connected TH7TH6 TH3 THA M mae
113. WHT 2 Ly ITABU CN3 1 3 RED m Ad WHT 2 Y Y Tags HT 11 CN2 WHT 7 4 it 1MODEL SELECT MODEL SW6 SW5 6 2 ON ON 35V OFF W or 345 8 123456 z ON ON 7 515 50V oorr 12345678 123456 2 SW5 1 to 5 Function Switch The black square indicates a switch position 51 52 53 E i M NET ADAPTER NE INDOOR SYMBOL NAME SYMBOL NAME UNIT TB7 Terminal Block M net connection SW12 Switch Address setting 10s digit POWER SUPPLY CN5 Connector lt Transmission gt LED1 LED Power Supply DC5V gt N 230V 50Hz CND Connector lt Power Supply gt LED2 LED lt Connection to Outdoor Unit gt CN2M Connector lt M NET communication gt LED3 LED lt Transmission Sending gt SWI Switch Status of communication LED4 LED lt Transmission Receiving gt 5 11 Switch Address setting 1s digit LED5 LED Power Supply DC12V 20 PUHZ RP60VHA4 PUHZ RP71VHA4
114. all not be lighter than polychloroprene sheathed flexible cable Design 60245 IEC 57 3 Install an earth longer than other cables 9 3 INDOOR OUTDOOR CONNECTING CABLE The cable shall not be lighter than design 60245 IEC or 60227 IEC Wire No x Size mm Outdoor power supply Max 45m Max 50m Max 80m Indoor unit Outdoor unit 3 1 5 polar 3 x 2 5 polar 3 x 2 5 polar and S3 separated Indoor unit Outdoor unit earth 1 x Min 1 5 1 x Min 2 5 1 x Min 2 5 The Max cable length may vary depending on the condition of installation humidity or materials etc Indoor Outdoor separate Wire No x Size mm power supply Max 120m Indoor unit Outdoor unit 2 X Min 0 3 Indoor unit Outdoor unit earth The optional indoor power supply terminal kit is necessary Be sure to connect the indoor outdoor connecting cables directly to the units no intermediate connections Intermediate connections can lead to communication errors if water enters the cables and causes insufficient insulation to ground or a poor electrical contact at the intermediate connection point For PUHZ RP200 250YKA PUHZ RP200YKAR1 Cross section of cable Wire size mm Number of wires Polarity L m 6 Round 9 25 3 Clockwise 51 52 53 30 W attention to stripe of yellow and green 2 Flat Not applicable Not applicable Qed 25 Because center wire has no cover finish 5
115. arbeartand M NET pe boards controller board CNMNT and CNVMNT Check M NET communication signal Communication error of M NET system X1 Error code displayed on remote controller 83 Indication Outdoor controller board LED1 Green LED2 Red Contents Inspection method Detailed 3 blinking 1 blinking Abnormality of shell thermistor TH32 and discharging temperature TH4 Abnormality of superheat due to low discharge temperature Check if stop valves are open Check if connectors TH4 TH32 LEV A and LEV B on outdoor controller board are not disconnected GCheck if unit is filled with specified amount of refrigerant Measure resistance values among terminals on indoor valve and outdoor linear expansion valve using a tester 2 blinking Abnormal high pressure High pressure switch 63H operated Check if indoor outdoor units have a short cycle on their air ducts Check if connector 63H on outdoor controller board is not disconnected Check if heat exchanger and filter is not dirty Measure resistance values among terminals on linear expansion valve using a tester 3 blinking Abnormality of outdoor fan motor rotational speed Protection from overheat operation TH3 Check the outdoor fan motor Check if connector TH3 on outdoor controller board is disconnected 4 blinking Compressor overcurrent breaking Start up locked
116. arging temperature and shell thermistor shortage of refrigerant Open short circuit of discharging thermistor TH4 and shell thermistor TH32 Open short of outdoor unit thermistors TH3 TH6 TH7 and TH8 Abnormal temperature of heatsink Abnormality of power module Abnormality of superheat due to low discharge temperature Abnormality in outdoor fan motor Inspection unit Overheat protection Compressor overcurrent interruption When Comp locked Current sensor error Abnormal low pressure Compressor overcurrent interruption Abnormality of indoor units Indoor unit 4 Communication error of M NET system Outdoor unit Indoor unit 1 Indoor unit 2 Indoor unit 3 Contents to be inspected When power is turned on 63H connector yellow is open Indoor outdoor communication error Signal receiving error Outdoor unit Indoor outdoor communication error Transmitting error Outdoor unit Miswiring of indoor outdoor unit connecting wire excessive number of indoor units 4 units or more Miswiring of indoor outdoor unit connecting wire converse wiring or disconnection Startup time over Communication error except for outdoor unit SW2 setting Display detail Explanation for display Pipe temperature Liquid TH3 40 90 40 90 When the coil thermistor detects 0 C or below and temperature are displayed by turns
117. ata display C 4 Operation mode Operation mode Display Operation mode 0 STOP FAN COOL DRY H HEAT d DEFROST Relay output state 5 Example Request code 004 Discharge temperature 69 C Refrigerant address 00 A Maintenance mode display B Refrigerant address C Data display area D Request code display area Relay output state Indoor unit Control state Request code 50 Data display Unit No 4 state Unit No 3 state Unit No 2 state Unit No 1 state Outdoor unit Control state Request code 51 Data display State 010 0 0 Normal 0 O O 1 Preparing forheat operation 0 0 0 2 Defrost Compressor Frequency control state Request code 52 Data display 0 Frequency control state Frequency control state Frequency control state Display Current limit control 0 No current limit 1 Primary current limit control is ON 2 Secondary current limit control is ON Display Compressor Four way Solenoid valve supplied to compressor 0 1 ON 2 ON 3 ON ON 4 ON 5 ON ON 6 O
118. ating 120 C or Stop valve more then braze the pipes so that the inside of Valve bed pipes are not oxidized PUHZ RP140VKA LEV coil LEV C 9 Removing LEV LEV coil 1 Remove the service panel See Photo 1 LEV B 2 Remove the top panel See Photo 1 JAN Gal y valve 8 Remove the electrical parts box See Photo 4 coil 2154 4 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve p and stop valve fixing screws 5 x 16 then remove the valve bed 4 way valve Thermistor 5 Remove 3 right side panel fixing screws 5 x 10 in the Outdoor pipe rear of the unit then remove the right side panel TH33 6 Remove the LEV coil 7 Recover refrigerant 8 Remove the welded part of LEV UI LEV coil Note 1 Recover refrigerant without spreading it in the air lt LEV A Note 2 The welded part can be removed easily by remov ing the right side panel h Note 3 When installing the LEV cover it with a wet cloth i to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized lt gt Ball valve Valve bed Stop valve 128 OPERATING PROCEDURE PHOTOS 10 Removing the high pressure switch 63H 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and remove the right side panel 4 Pull out the lead wire of high pressure
119. ce handbook Alternating Display SELFZZHECK 2 2 SELF ae ERRQR GODE vi EN ri yw o ED LILI e LILI e Error code 2 or 4 digits Address 3 digits or unit number 2 digits When there is no error code history When there is no corresponding gt s 5 XN ZZ SELFCHECE 22 ___ SELF FE EF ERROR GORE ERROR GORE nn nn LILI e LILI e Reset the error history Display the error history in the diagnosis result display screen see step SELF CHECK ERRQR GODE gt uu e 38 ithi ni When the error history is reset the display will look like the one shown below Press the ON OFF twice whina seconds However if you fail to reset the error history the error content will be displayed again address or refrigerant address will blink SELFCHECK POMA EE nn ANE LILI Cancel self diagnosis Self diagnosis can be cancelled by the following 2 methods Press the CHECK button twice within 3 seconds Self diagnosis will be cancelled and the screen will return to the previous state in effect before the start of self diagnosis Press the MD ON OFF button Self diagnosis will be cancelled and the indoor unit will stop 11 3 3 Remote Controller Diagnosis If the air condit
120. circuit board 46 Open stop valve Check facility of power supply Correct the wiring U V W phase to compressor Refer to 11 9 Outdoor power circuit board Check compressor Refer to 11 6 Replace outdoor power circuit board Check the dip switch setting of outdoor con troller circuit board Error Code Abnormal points and detection method Case Judgment and action UH 5300 Current sensor error Abnormal if current sensor detects 1 0A to 1 0A during compressor operation This error is ignored in case of test run mode Disconnection of compressor wiring Defective circuit of current sensor on outdoor power circuit board Correct the wiring U V W phase to compres sor Refer to 11 9 Outdoor power circuit board Replace outdoor power circuit board Low pressure Abnormal if the following conditions are detected for continuously 3 minutes after compressor starts heating operating for 10 minutes 1 Heating mode Detection mode 1 TH7 TH3S4 C and TH5 Indoor room temperatureS2 C Detection mode 2 7 2 and TH5 Indoor room temperatureS4 C TH2 Indoor room temperatureS4 C Detection mode 3 TH7 TH3S4 C and TH5 Indoor room temperatureS2 C and TH4 TH5220 C Cooling mode TH6 TH7S2 C and TH3 TH7S2 C and Indoor room temperature Indoor liquid pipe temperature TH2 S5 C Thermistor TH3 Outdoor liquid pipe temperature TH4 Discharg
121. connecting wire of indoor and outdoor units Check diameter and length of indoor outdoor unit connecting wire Total wiring length 80 m including wiring connecting each indoor unit and between indoor and outdoor unit Also check if the connection order of flat cable is S1 S2 S3 Check the number of indoor units that are connected to one outdoor unit If EA is detected Turn the power off once and on again to check Replace outdoor controller circuit board indoor controller board or indoor power board if abnormality occurs again Check if refrigerant addresses SW1 3 to SW1 6 on outdoor controller circuit board are overlapping in case of group control system Check transmission path and remove the cause x The descriptions above are for EA Eb and EC Abnormalities detected while unit is operating gt Error Code Abnormal points and detection method Case Judgment and action High pressure High pressure switch 63H operated Abnormal if high pressure switch 63H RP35 200 63H1 or 63H2 RP250 oper ated during compressor operation x RP35 140 63H 4 15 MPa RP200 63H 3 6 MPa RP250 63H1 4 15 MPa 63H2 3 6 MPa 63H 63H1 63H2 High pressure switch Short cycle of indoor unit Clogged filter of indoor unit 9 Decreased airflow caused by dirt of indoor fan Dirt of indoor heat exchanger Locked indoor fan motor Malfunction of indoor
122. connection 9 52 3 8 4 Strainer Strainer 100 100 PUHZ RP250YKA Refrigerant flow cooling Refrigerant flow in heating Thermistor TH7 TH7 Heat exchanger 0 Thermistor TH6 High pressure switch 63H2 Ball valve Refrigerant GAS pipe 25 4 91 inch Strainer gt ENG 50 check Thermistor TH3 Service port Nigh ete check ign pressure Distributor switch 63H1 1 Thermistor TH32 y Strainer Shell 100 Thermistor TH4 Discharge Strainer 100 Linear expansion valve B Compressor Stop valve with service port Linear expansion valve A Refrigerant LIQUID pipe 12 7 91 2 inch Strainer 100 Strainer 100 33 10 1 Refrigerant recovering pump down Perform the following procedures to recover the refrigerant while operating the indoor unit or the outdoor unit Turn on the power supply circuit breaker When power is supplied make sure that CENTRALLY CONTROLLED is not displayed on the remote controller If CENTRALLY CONTROLLED is displayed the refrigerant recovering pump down cannot be completed normally GAfter the gas stop valve is closed set the SWP switch on the control board of the outdoor unit to ON The compressor outdoor unit and fans indoor and outdoor units start operating and refrigerant recovering operation begins LED1 and LED2 on t
123. controller controller 1 i supply Indoor outdoor Supply y Indoor outdoor 1 i TI unit connection i i 7 unit connection i 1 i cable T cable 67 Earth leakage breaker Earth leakage breaker 62 62 wiring circuit breaker or i wiring circuit breaker or i 1 i 1 isolating switch isolating switch 3 69 1 1 1 1 1 1 TO 9 79 EM ey Synchronized triple Outdoor Indoor Indoor 57 unit unit _ unit _ Pod Ee srela 181 Supply i i controller 2 EE Ta Sonnac cate BENE 1 0 169 1696 69 De leakage breaker 52 wiring circuit breaker i o i isolating switch 3 3 63 1 Q 1 D T ke 2 0 26 1 1 System Indoor PEA 200 250 Outdoor unit power Supply 1 cable Earth leakage breaker wiring circuit breaker or isolating switch 1 Indoor outdoor unit connection a iS 1 2 System Indoor PEA 400 500 N Outdoor LS unit No 1 1 Ec Unit Unit 1 i 1 power ower H supply 1 1 1 5 q 1 Indoor outdoor i H unit connection cable DN Earth leakage breaker Remote controller wiring circuit breaker or ui
124. cording to the setting of the remote controller Phone Calls From Customers How to Respond Note Something is wrong with the blower Air blows out for a while after HEAT operation is stopped G This is not a malfunction The blower is operating just for cooling down the heated up air conditioner This will be done within 1 minute This control is conducted only when the HEAT operation is stopped with the electric heater ON However this control is also applied to the models which has no electric heater Something is wrong with the airflow direction The airflow direction is changed during COOL operation If the up down vane is set to downward in COOL operation it will be automatically set to horizontal blow by the microcomputer in order to prevent water from dropping down 1 Hr will be displayed on the remote controller if the up down vane is set to downward with the fan speed set to be less than LOW The airflow direction is changed during HEAT operation The airflow direction cannot be set by remote controller In HEAT operation the up down vane is automatically controlled according to the temperature of the indoor unit s heat exchanger In the following cases written below the up down vane will be set to horizontal blow and the setting cannot be changed by remote controller 1 At the beginning of the HEAT operation 2 While the outdoor unit is being s
125. ct unit number 00 To set modes 07 to 14 or 23 to 28 carry out as follows To set each indoor unit individually select 01 to 04 To set all the indoor units collectively select AL Confirm the refrigerant address and unit number When the refrigerant address and unit number are confirmed by pressing the ae MODE button to confirm the refrigerant address and unit MODE button the corresponding indoor unit will start fan operation This After a while will start to flash in the mode number display area helps you findthe location ofthe indoor unit for which you wantto perform function Selection However if 00 or AL is selected as the unit number all the indoor units corresponding to the specified refrigerant address will start fan operation Mode number display section Example When the refrigerant address is set to 00 and the unit number is 02 00 refrigerant address Outdoor unit 88 will flash in the room temperature display area if the selected refrigerant address does not exist in the system x T Indoor unit No 01 No 02 No 03 Furthermore if F appears and flashes in the unit number display area and the s 7 N refrigerant address display area also flashes there are no units that corre spond to the selected unit number In this case the refrigerant address and unit Cf oos EE mode number may be i
126. ction of the room temperature and lamp green of the remote controller will blink As to INDOOR BOARD LED LED1 will be lit up LED2 will either be lit up in case the address is 0 or turned off in case the address is not 0 LEDS will blink As to OUTDOOR BOARD LED LED1 green and LED red will be lit up After the startup mode of the system finishes red will be turned off In case OUTDOOR BOARD LED is digital display and will be displayed alternately every second If one of the above operations doesn t function correctly the causes written below should be considered Find causes from the symptoms The below symptoms are under test run mode Startup in the table means the display status of 1 written above Symptoms in test run mode i OUTDOOR BOARD LED Displ Cause Remote Controller Display lt digital display X Remote controller displays PLEASE After startup is displayed only After power is turned on PLEASE WAIT is displayed for 2 WAIT and cannot be operated green lights up lt 00 gt minutes during system startup Normal deck one alone blink Incorrect connection of outdoor terminal block L La Ls and After power is turned on PLEASE WAIT alternately lt F1 gt 51 S2 53 is displayed for 3 minutes then error code is displayed After startup is displayed green once and red twice blink Outdoor unit s protection devise connector is open alternately
127. d could not receive anything normally for 3 minutes Contact failure of indoor out door unit connecting wire Defective communication circuit of outdoor controller circuit board Q Defective communication circuit of indoor controller board Noise has entered into indoor outdoor unit connecting wire Check disconnection or looseness of indoor outdoor unit connecting wire of indoor or out door units Turn the power off and on again to check Replace indoor controller board or outdoor controller circuit board if abnormal ity is displayed again Indoor outdoor unit communication error Transmitting error Outdoor unit Abnormal if 0 receiving is detected 30 times continuously though outdoor con troller circuit board has transmitted 1 Abnormal if outdoor controller circuit board could not find blank of transmission path for 3 minutes Indoor outdoor unit connecting wire has contact failure Defective communication circuit of outdoor controller circuit board Noise has entered power supply Noise has entered indoor out door unit connecting wire Check disconnection or looseness of indoor outdoor unit connecting wire Turn the power off and on again to check Replace outdoor controller circuit board if abnormality is displayed again Error Code Abnormal points and detection method Case Judgment and action Non defined error code This c
128. display of abnormal unit number and code When no error history and are displayed by turns Code display Error code history 2 Alternate display of error unit number and code When no error history and are displayed by turns Code display Thermostat ON time 0 999 0 999 When it is 100 minutes or more the hundreds digit tens digit and ones digit are displayed by turns Example When 245 minutes 0 5 secs 0 55 5 2 secs 2 gt 45 gt Test run elapsed time 0 120 87 0 120 When it is 100 minutes or more the hundreds digit tens digit and ones digit are displayed by turns Example When 105 minutes 0 5 secs 0 55 5 2 secs 1 gt 05 gt t J Minute SW2 setting Display detail Explanation for display The number of connected indoor units 0 4 The number of connected indoor units are dis played Capacity setting display Displayed as an outdoor capacity code Capacity RP100V 100Y RP125V 125Y RP140V 140Y RP200Y RP250Y Code display Outdoor unit setting information The tens digit Total display for applied setting Setting details Display details H P Cooling only 0 H P 1 Cooling only Single phase 3 phase O Single
129. door side Discharge air temperature Intake air temperature Outdoor side 6 ex ope Les lololo SHF BF The unit of pressure has been changed to MPa based on international SI system The conversion factor is 1 MPa z10 2 kgf cm 15 7 OUTLINES AND DIMENSIONS PUHZ RP35VHA4 Unit mm PUHZ RP50VHA4 33 drain hole 152 365 Air intake 33 drain hole 4 10 x 21 oval hole M10 foundation bolt 18 Service panel 40 9 23 g Service panel for charge plug Handle for Connection for moving liquid pipe amp 2 sl Connection for 4 2 gas pipe 183 Installation bolt pitch 500 part 800 1 FOUNDATION BOLTS 2 PIPING WIRING DIRECTION a PI h it firml Pipi d wiri i Free space around the outdoor unit win4toundaton M10 bols _ made from the rear direction only basic example aba 3 ATTACHING THE CONDUIT Foundation bolt height In order to attach the conduit it is necessary to fix the metal plate with 2 screws to the back panel Procure the metal plate and make screw holes locally It is recommended to use the metal plate shown below Align the 7 metal plate to the marks on the unit and attach it 100 mm or more as long as no obstacle is placed on the
130. e Max 30m outdoor unit Piping length Max 120m 6 DATA 6 1 REFILLING REFRIGERANT CHARGE R410A kg PUHZ RP35 140 Piping length one way Initial charged 2 5 2 5 3 5 3 5 5 0 Service Ref PUHZ RP35VHA4 PUHZ RP50VHA4 PUHZ RP60VHA4 PUHZ RP71VHA4 PUHZ RP100VKA PUHZ RP100YKA PUHZ RP125VKA PUHZ RP125YKA PUHZ RP140VKA PUHZ RP140YKA 5 0 5 0 Longer pipe than 30 m additional charge is required 6 2 ADJUSTING THE AMOUNT OF REFRIGERANT PUHZ RP200 250 Service Ref ua Amount of additional refrigerant charge kg pipe lengt kg 30 mandless 31 40 m and less 41 50 m and less 51 60 and less 61 70 m and less 71 120 and less PUHZ RP200YKA m The additional ch 7 4 e agaltional charge PUHZ RP200YKARI 120m or less No additional 1 8kg 2 7 kg BONG mountis obtained by PUHZ RP250YKA 77 charge necessary 1 2 kg 24kg 3 6 kg 4 8 kg the following formula Calculate the additional charge amount based on the following procedure If the calculation results in an amount that is smaller than the Additional charge amount for 70m perform the additional charge using the amount shown in Additional charge amount for 70m Main piping Main piping Branch piping Liquid Branch piping Liquid Amount of additional
131. e remote controller control board Error code E1 Abnormal if the clock function of remote controller cannot be normally operated Error code E2 Defective remote controller Replace remote controller Remote controller transmission error E3 signal receiving error Eb Abnormal if remote controller could not find blank of transmission path for 6 sec onds and could not transmit Error code Remote controller receives transmitted data at the same time compares the data and when detecting it judges different data to be abnormal 30 continuous times Error code E3 Abnormal if indoor controller board could not find blank of transmission path Error code E5 Indoor controller board receives trans mitted data at the same time compares the data and when detecting it judges different data to be abnormal 30 continuous times Error code E5 2 remote controller are set as main In case of 2 remote controllers Remote controller is connected with 2 indoor units or more Repetition of refrigerant address Defective transmitting receiving circuit of remote controller Defective transmitting receiving circuit of indoor controller board Noise has entered into trans mission wire of remote control ler Set a remote controller to main and the other to sub 9 Remote controller is connected with only one indoor unit The address changes to a separate setti
132. e 4 way valve 21S4 6 Remove 1 4 way valve fixing screw M4 x 6 7 Remove the 4 way valve by sliding the coil to the right Removing the LEV coil LEV A LEV B 6 Remove the LEV coil by sliding the coil upward Photo 9 LEV coil LEV A LEV coil LEV B 4 way valve 2154 x 4 y CN 4 way valve 4 way valve fixing screw 118 OPERATING PROCEDURE PHOTOS 8 Removing the 4 way valve Remove the service panel See Photo 2 Remove the top panel See Photo 1 Remove the front panel See Photo 1 Remove the back panel See Photo 1 Remove the electrical parts box See Photo 5 Remove the 4 way valve See Photo 8 Recover refrigerant Remove the welded part of 4 way valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 1 2 3 4 5 6 7 8 9 Removing LEV Remove the service panel See Photo 2 Remove the top panel See Photo 1 Remove the front panel See Photo 1 Remove the back panel See Photo 1 Remove the electrical parts box See Photo 5 Remove the LEV coil See Photo 8 Recover refrigerant Remove the we
133. e check code in the following table i e n 5 for P5 Number of blinks beeps in pattern indicates the check code in the following table Output pattern B code in the following table i e n 5 for U2 Beep 2 Repeated On Beepersounds Beep Beep Beep Beep Beep Beep IJI yp nl p 1 INDICATOR acp ig gt gt lamp flash Off On On On On Off On On pattern Self check Approx 2 5 sec Approx 3 sec 0 5 sec 0 5 sec 0 5 sec 0 5 sec Approx 2 5 sec Approx 3 sec 0 5 sec 0 5 sec starts V v J Start signal N received umber of blinks beeps in pattern indicates the check Number of blinks beeps in pattern indicates the check code in the i ollowing table Output pattern A Errors detected by indoor unit Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp flashes Check code Symptom remark Number of times 1 1 Intake sensor error 2 P2 Pipe TH2 sensor error P9 Pipe TH5 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Drain sensor error Float switch connector CN4F open P5 Drain pump error PA Forced compressor stop due to water leakage abnormality As for indoor 6 P6 Freezing Overheating protection operation unit refer to 7 EE Communication error between indoor and outdoor units indoor unit s 8 P8 Pipe temperature e
134. e detects voltage and signal is caused LOSSNAY at the same time for 2 minutes or abnormality every 30 seconds 6 times by over range transmission more and turn the power on again If mal continuously wire function was accidental the unit returns to Note The address and attribute displayed Maximum distance 200m normal If the same abnormality generates at remote controller indicate the con Remote controller line 12m again controller of displayed address and troller that did not reply ACK Q Extinction of transmission wire attribute may be defective voltage and signal is caused by type unmatched transmis sion wire With shield wire CVVS CPEVS With normal wire no shield VCTF VCTFK CVV CVS VVR VVF Diameter 1 25mm or more Accidental malfunction of abnormality generated controller 10 5 TROUBLESHOOTING BY INFERIOR PHENOMENA Phenomena Factor Countermeasure 1 Remote controller display does not DC12V is not supplied to remote controller Check LED2 on indoor controller board work Power supply display is not indicated on LCD 1 When LED2 is lit DC12 15V is supplied to remote controller however Check the remote controller wiring for no display is indicated breaking or contact failure PLEASE WAIT is not displayed 2 When LED is blinking PLEASE WAIT is displayed Check short circuit of remote controller wiring 3 When LED2 is not lit Refer to phenomena No 3 b
135. e has entered into power supply or indoor outdoor unit connecting wire Miswiring of indoor outdoor unit connecting wire converse wiring or dis connection Outdoor controller circuit board can automatically set the unit number of indoor units Abnormal if the indoor unit number can not be set within 4 minutes after power on because of Miswiring converse wiring or disconnection of indoor outdoor unit con necting wire Contact failure or miswiring of indoor outdoor unit connecting wire Diameter or length of indoor outdoor unit connecting wire is out of specified capacity Defective transmitting receiving circuit of outdoor controller circuit board Defective transmitting receiving circuit of indoor controller board Defective indoor power board 2 or more outdoor units have refrigerant address 0 In case of group control Noise has entered into power supply or indoor outdoor unit connecting wire Start up time over The unit cannot finish start up process within 4 minutes after power on Contact failure of indoor outdoor unit connecting wire Diameter or length of indoor outdoor unit connecting wire is out of specified capacity 2 or more outdoor units have refrigerant address 0 In case of group control Noise has entered into power supply or indoor outdoor unit connecting wire 43 Q Check disconnection or looseness or polar ity of indoor outdoor unit
136. e pipe 2 Remove the top panel See Photo 1 Controller Electrical parts box TH6 8 Disconnect the connector TH7 6 red on the controller circuit board in the electrical parts box 4 Loosen the clamp for the lead wire in the rear of the electrical parts box 5b Pull out the thermistor Outdoor 2 phase pipe TH6 from the sensor holder Note In case of replacing thermistor Outdoor 2 phase pipe TH6 replace it together with thermistor lt Outdoor gt TH7 since they are combined together Refer to No 5 below to remove thermistor lt Outdoor gt circuit board C B Removing the thermistor lt Outdoor gt TH7 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the connector TH7 6 red on the controller circuit board in the electrical parts box 4 Loosen the clamp for the lead wire in the rear of the electrical parts box See Photo 5 5 Pull out the thermistor lt Outdoor gt TH7 from the sensor holder Note In case of replacing thermistor lt Outdoor gt TH7 replace it together with thermistor lt Outdoor 2 phase pipe gt TH6 since they are combined together Refer to No 4 above to remove thermistor Outdoor 2 phase pipe gt Photo 6 Lead wire of thermistor lt Outdoor gt TH7 Sensor holder Removing the thermistor lt Outdoor pipe gt TH3 TH33 and thermistor lt Discharge gt TH4 thermistor lt Shell gt
137. e service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel 4 Remove 4 back cover panel fixing screws 5 x 10 and remove the back cover panel Compressor 5 Remove the electrical parts box See Photo 4 terminal 6 Remove 3 valve bed fixing screws 4 x 10 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed Compressor 7 Remove 3 right side panel fixing screws 5 x 10 in the MC rear of the unit and remove the right side panel 8 Remove 3 separator fixing screws 4 x 10 and remove Soundproof the separator cover 9 Remove the soundproof cover for compressor 10 Remove the terminal cover and remove the compressor lead wire 11 Recover refrigerant 12 Remove the 3 points of the compressor fixing nut using Compressor a spanner or a adjustable wrench fixing nut 13 Remove the welded pipe of compressor inlet and outlet and remove the compressor Note Recover refrigerant without spreading it in the air 140 OPERATING PROCEDURE PHOTOS 12 Removing the power receiver 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel 4 Remove 4 back cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box
138. e signal was not received by the sensor you will not hear a beep or a double beep may be heard Reenter the setting number Repeat steps and to make an additional setting without changing unit number Repeat steps to to change unit number and make function settings on it Complete the function settings Press button Do not use the wireless remote controller for 30 seconds after completing the function setting 98 12 2 FUNCTION SELECTION OF REMOTE CONTROLLER The setting of the fo Change the setting when needed lowing remote controller functions can be changed using the remote controller function selection mode Item 1 Item 2 Item 3 Setting content 1 Change Language Language setting to display Display in multiple languages is possible CHANGE LANGUAGE 2 Function limit Operation function limit setting operation lock LOCKING FUNCTION Setting the range of operation limit operation lock FUNCTION SELECTION Use of automatic mode setting SELECT AUTO MODE Setting the use or non use of automatic operation mode Temperature range limit setting LIMIT TEMP FUNCTION Setting the temperature adjustable range maximum minimum 3 Mode selection MODE SELECTION 1 2 3 1 Remote controller main sub setting CONTROLLER MAIN SUB Selecting main or sub remote controller When two rem
139. e temperature 5 Indoor cond eva temperature TH6 Outdoor 2 phase pipe temperature TH7 Outdoor temperature Q Stop valve of outdoor unit is closed during operation Leakage or shortage of refriger ant G Malfunction of linear expansion valve Clogging with foreign objects in refrigerant circuit Clogging occurs in the parts which become below freez ing point when water enters in refrigerant circuit Check stop valve Check intake superheat Check leakage of refrigerant Check additional refrigerant Check linear expansion valve Refer to 11 6 After recovering refrigerant remove water from entire refrigerant circuit under vacuum more than 1 hour Compressor overcurrent interruption Abnormal if overcurrent DC bus or com pressor is detected after compressor starts operating for 30 seconds Stop valve of outdoor unit is closed Decrease of power supply volt age Looseness disconnection or converse of compressor wiring connection Defective fan of indoor outdoor units Short cycle of indoor outdoor units Defective input circuit of out door controller board Defective compressor Defective outdoor power circuit board 9 Dip switch setting difference of outdoor controller circuit board Open stop valve Check facility of power supply 9 Correct the wiring U V W phase to com pressor Refer to 11 9 Outdoor power circuit board Check indoor outdoor fan
140. eases Check if heat exchanger is clogged by inspecting discharging pres sure Clean the heat exchanger G Remove the blockage Remote controller display works normally and the unit performs heating operation however the capacity cannot be fully obtained Linear expansion valve fault Opening cannot be adjusted well due to linear expan sion valve fault GhRefrigerant shortage Lack of insulation for refrigerant piping Filter clogging exchanger clogging Air duct short cycle Bypass circuit of outdoor unit fault Discharging temperature and indoor heat exchanger temperature does not rise Inspect the failure by checking discharg ing pressure Replace linear expansion valve Q If refrigerant leaks discharging tempera ture rises and LEV opening increases Inspect leakage by checking the tem perature and opening Check pipe connections for gas leakage Check the insulation Open intake grille and check the filter Clean the filter by removing dirt or dust on it If the filter is clogged indoor pipe tem perature rises and discharging pressure increases Check if heat exchanger is clogged by inspecting discharging pres sure Clean the heat exchanger Remove the blockage Check refrigerant system during operation 8 OFor minutes after temperature adjuster turns off the compressor Will not start operating even if tem perature adjuster is turned on GFor 3 minute
141. ecessary Refer to next page Special function x4 Please do not use SW7 3 6 usually Trouble might be caused by the usage condition x5 With this switch setting the capacity decreases up to 30 under peak load condition Thus this setting is recommended only for Air to water purposes 81 2 Function of connector Action by open short operation EU Types Connector Function Effective timing Short Open Connector CN31 Emergency operation Start Normal When power supply ON Special function a Low level sound priority mode Local wiring By performing the following modification operation noise of the outdoor unit can be reduced by about 3 4 dB The low noise mode will be activated when a commercially available timer or the contact input of an ON OFF switch is added to the CNDM connector option on the control board of the outdoor unit The ability varies according to the outdoor temperature and conditions etc Complete the circuit as shown when using the external input adapter PAC SC36NA Option SWT7 1 Outdoor unit control board OFF SW1 ON Low noise mode SW1 OFF Normal operation Circuit diagram example X Relay low noise mode Outdoor unit control board On site arrangement Max 10m External input adapter Power supply for relay PAC SC36NA b On demand control Local wiring By performing the following modification energy consumption can be reduced to 0 100
142. elow Check the following Failure of remote controller if PLEASE WAIT is not displayed Refer to phenomena No 2 below if PLEASE WAIT is displayed 2 PLEASE WAIT display is remained OAt longest 2 minutes after the power supply PLEASE O Normal operation on the remote controller WAIT is displayed to start up Self diagnosis of remote controller Communication error between the remote controller PLEASE WAIT is displayed for 6 min and indoor unit utes at most in case of indoor outdoor GCommunication error between the indoor and outdoor unit communication error Check LED3 on unit indoor controller board unit protection device connector is open 1 When LEDS is not blinking Check indoor outdoor connecting wire for Miswiring Converse wiring of S1 and S2 or break of S3 wiring 2 When LEDS is blinking Indoor outdoor connecting wire is nor mal Check LED display on outdoor controller circuit board Refer to 11 10 Check protection device connector 63H for contact failure Refer to 11 9 3 When pressing the remote controller cancelling to select function from the remote Normal operation operation switch the OPERATION controller the remote controller operation switch will display is appeared but it will be be not accepted for approx 30 seconds turned off soon 53 Factor Countermeasure 4 Even con
143. er Charge hose Only R410A Use pressure performance of 5 09MPa G or over Electronic scale Gas leak detector Use the detector for R134a R407C or R410A Adaptor for reverse flow check Attach on vacuum pump Refrigerant charge base ES Refrigerant cylinder Only for R410A Top of cylinder Pink Cylinder with syphon Refrigerant recovery equipment 4 Refrigerant leakage detection function This air conditioner outdoor unit PUHZ RP35 140 except PUHZ RP200 250 can detect refrigerant leakage which may happen during a long period of use In order to enable the leakage detection settings are required to let the unit memo rize the initial conditions initial learning Refer to 14 3 INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION 3 3 PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES 1 Flowchart Refer to the flowchart below to determine if the existing pipes can be used and if it is necessary to use a filter dryer If the diameter of the existing pipes is different from the specified diameter refer to technological data materials to confirm if The existing pipe thickness meets specifica the pipes can be used Measure the existing pipe thickness and check for damage tions and the pipes are not damaged Check if the existing air conditioner can operate After operating the cooling system for about 30 minutes do a pump down work The existing pipe thick
144. er circuit board N F Terminal block TB2 Terminal block TB1 137 OPERATING PROCEDURE PHOTOS 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 8 Disconnect the connectors TH6 and TH7 red on the controller circuit board in the electrical parts box 4 Loosen the 2 wire clamps on top of the electrical parts box 5 Pull out the thermistor Outdoor 2 phase pipe TH6 from the sensor holder Note In case of replacing thermistor Outdoor 2 phase pipe TH6 replace it together with thermistor Outdoor TH7 since they are combined together Refer to No 6 below to remove thermistor lt Outdoor gt 4 Removing the thermistor Outdoor 2 phase pipe TH6 Photo 5 Electrical parts box Thermistor Outdoor 2 phase pipe gt TH6 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the connector TH7 red on the controller circuit board in the electrical parts box 4 Loosen the 2 wire clamps on top of the electrical parts box See Photo 4 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 5 above to remove thermistor Outdoor 2 phase pipe gt 5 Removing the thermistor Outdoor TH7 Photo 6
145. er and there was no reply ACK During group operation with indoor unit of multi refrigerant System if indoor unit transmit signal to remote controller while outdoor unit power sup ply of one refrigerant system is turned off or within 2 min utes of restart abnormality is detected Contact failure of transmission wire of remote controller or indoor unit Disconnection of transmission connector CN2M of indoor unit Defective transmitting receiving circuit of indoor unit or remote controller If displayed address or attribute is FRESH MASTER indoor unit detects abnormality when indoor unit transmits signal to FRESH MASTER and there was no reply ACK During sequential operation of indoor unit and FRESH MASTER of other refrigerant System if indoor unit transmits signal to FRESH MASTER while outdoor unit power sup ply of same refrigerant sys tem with FRESH MASTER is turned off or within 2 minutes of restart abnormality is detected Contact failure of transmission wire of indoor unit or FRESH MASTER 9 Disconnection of transmission connector CN2M of indoor unit or FRESH MASTER Defective transmitting receiving circuit of indoor unit or FRESH MASTER 6 If displayed address or attribute is LOSSNAY indoor unit detects abnormal ity when indoor unit transmits signal to LOSSNAY and there was no reply If the power supply of LOSSNAY is off indoor unit detects abnormality w
146. erature FFFF No applied unit Abnormality of pipe temperature thermistor Cond Eva Abnormality of indoor controller board See the table below for details of the LED display LED 1 2 3 on the indoor controller board LED1 microprocessor power supply Lights when power is supplied LED2 remote controller Lights when power is supplied for wired remote controller The indoor unit should be connected to the outdoor unit with address 0 setting LED3 indoor outdoor communication Flashes when indoor and outdoor unit are communicating 36 Test run for wireless remote controller Measure an impedance between the power supply terminal block on the outdoor unit and ground with a 500V Megger and check that it is equal to or greater than 1 0 MITSUBISHI ELECTRIC c mm Turn on the main power to the unit Press the button twice continuously Start this operation from the status of remote controller display turned off ON OFF TEMP A ang current operation mode are displayed HG a Press the 775 button to activate cous mode then check whether cool air is blown out from the unit Press the con osi button to activate mode then FAN AUTO STOP check whether warm air is blown out from the unit E e onr FAN iri Press the button and check whether strong air is blown out MODE VANE AUTOSTAR Ea
147. f reactor of 3 reactors Note 1 The reactor is very heavy 4 kg Be careful when handling it Note 2 The reactor box is also removable Photo 16 Photo 17 Reactors 9 Reactors Lead wires of reactors Figure 2 Reactor box fixing screw front Reactors 5 YX Reactor fixing screws front Reactor box fixing screw front 135 OPERATING PROCEDURE PHOTOS 13 Removing the compressor MC 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel See Photo 4 4 Remove 4 back cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box See Photo 4 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 and then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and then remove the right side panel 8 Remove 3 separator fixing screws 4 x 10 and remove the separator 9 Recover refrigerant 10 Remove the 3 points of the compressor fixing nut using a spanner or a adjustable wrench 11 Remove the welded pipe of compressor inlet and outlet and then remove the compressor Note Recover refrigerant without spreading it
148. fan motor Defective operation of stop valve Not full open Clogged or broken pipe 9 Locked outdoor fan motor Malfunction of outdoor fan motor Short cycle of outdoor unit Dirt of outdoor heat exchanger 3 Decreased airflow caused by defective inspection of outside temperature thermistor It detects lower temperature than actual temperature Disconnection or contact failure of connector 63H on outdoor controller board Disconnection or contact failure of 63H connection Defective outdoor controller board 42 Defective action of linear expansion valve Malfunction of fan driving circuit Check indoor unit and repair defect Check if stop valve is fully open Check piping and repair defect 9 09 Check outdoor unit and repair defect Check the detected temperature of outside temperature thermistor on LED display SW on A Control Service Tool Refer to 11 10 Turn the power off and check F5 is displayed when the power is turned again When F5 is displayed refer to Judgment and action for F5 Check linear expansion valve Refer to 11 6 Replace outdoor controller board U2 TH4 1102 TH32 1132 High discharging temperature High comp shell temperature 1 Abnormal if discharge temperature thermistor TH4 exceeds 125 C or 110 C continuously for 5 minutes Abnormal if condenser evaporator temperature thermistor TH5 exceeds 40 C during defrost
149. frigerant LIQUID pipe connection 3 8 Linear expansion valve A Refrigerant flow in cooling Refrigerant flow in heating Strainer Strainer 100 100 PUHZ RP140VKA PUHZ RP140YKA Thermistor TH7 Heat exchanger A Outdoor Thermistor Outdoor 2 phase pipe Ball valve Strainer 50 Refrigerant GAS pipe p connection 15 88 5 8 DE 4 pressure Thermistor TH3 Outdoor pipe Charge plug Low pressure High pressure 7 Distributor Switch 63H Strainer ane Thermistor TH32 Shell Thermistor i TH33 Slop valve Linear receiver Outdoor pipo expansion with service port valve B Hear Refrigerant LIQUID pipe connection 49 52 3 8 Strainer 100 100 Linear expansion valve C 32 PUHZ RP200YKA Unit mm inch PUHZ RP200YKAR1 Thermistor TH7 Heat exchanger 477 Outdoor Thermistor TH6 Outdoor 2 phase pipe Ball valve Strainer Refrigerant GAS pipe connection 25 4 1 EE D Charge plug High pressure Outdoor pipe Charge plug lt Low pressure High pressure P S Distributor switch 63H Strainer Thermistor 4 Discharge Strainer 100 Linear expansion valve Strainer Compressor receiver 100 Stop valve with service port Linear expansion valve A Refrigerant LIQUID pipe
150. gain after the initial 2 beeps to confirm the self check start signal was received and the OPERATION INDICATOR lamp does not come on there are no error records 2 If the beeper sounds times continuously beep beep beep 0 4 0 4 0 4 sec after the initial 2 beeps to confirm the self check start signal was received the specified refrigerant address is incorrect 41 11 4 SELF DIAGNOSIS ACTION TABLE Abnormalities detected when the power is put on gt Error Code Abnormal points and detection method Case Note 1 Refer to indoor unit section for code P and code E Judgment and action No voltage is supplied to termi nal block TB1 of outdoor unit a Power supply breaker is turned off b Contact failure or disconnec tion of power supply terminal C Open phase L L2 or N phase Electric power is not supplied to power supply terminal of out door power circuit board a Contact failure of power supply terminal b Open phase on the outdoor power circuit board Disconnection of terminal on outdoor power circuit board Electric power is not supplied to outdoor controller circuit board a Disconnection of connector CNDC Disconnection of reactor DCL or ACL Disconnection of outdoor noise filter circuit board or parts fail ure in outdoor noise filter circuit board RP200 250 amp Defective outdoor power circuit board Open of rush current protect resis
151. gerants can be used Refrigerant charging scale Refrigerant charge Tools for other refrigerants can be used Vacuum gauge or thermis tor vacuum gauge and vacuum valve Check the degree of vacuum Vacuum valve prevents back flow of oil and refri gerant to thermistor vacuum gauge Tools for other refrigerants can be used Charging cylinder Refrigerant charge Tool exclusive for R410A X Prepare a new tool Use the new tool as the tool exclusive for R410A Tools for other refrigerants can be used under certain conditions Tools for other refrigerants can be used 4 FEATURES Q dur QD j Daun ED ED Gb qm LT PUHZ RP35VHA4 PUHZ RP60VAH4 PUHZ RP50VHA4 PUHZ RP71VHA4 M PUHZ RP100VKA PUHZ RP125VKA PUHZ RP140VKA PUHZ RP100YKA PUHZ RP125YKA PUHZ RP140YKA PUHZ RP200YKA PUHZ RP200YKAR1 PUHZ RP250YKA 255 77 AN 7 if WI y 7 f b CHARGELESS SYSTEM PRE CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT Max 30m PUHZ RP35 250 The refrigerant circuit with LEV Linear Expansion Valve and power receiver always control the optimal refrigerant level regardless of the length 30 m max and 5 m min of piping The additional refrigerant charging work during installation often causes problems I
152. hat stress is not added to lead wire and main body is not wound by lead wire If the stop per is not firmly attached to pipe B coil may be detached from the main body and that can cause defective operation of linear Bese expansion valve i To prevent piping stress be sure to attach the coil holding the main body of linear expansion valve firmly Otherwise pipe may break B A Be sure to attach the stopper to pipe B 68 4 How to attach detach the coil of linear expansion valve RP100 RP250 Composition Linear expansion valve is separable into the main body and the coil as shown in the diagram below Stopper Main body Coil Lead wire How to detach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and detach the coil by pulling it upward Be sure to detach the coil holding main body firmly Otherwise pipes can bend due to pressure How to attach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the main body Then securely attach the coil stop per to main body At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stopper is not firmly attached to main body coil may be detached from the main body and that can cause defective operation of lin ear expansion valve
153. he control board of the outdoor unit are lit Set the SWP switch push button type to ON in order to perform refrigerant recovering operation only when the unit is stopped However refrigerant recovering operation cannot be performed until compressor stops even if the unit is stopped Wait 3 minutes until compressor stops and set the SWP switch to ON again GBecause the unit automatically stops in about 2 to minutes after the refrigerant recovering operation LED1 and LED2 are lit be sure to quickly close the gas stop valve In case the outdoor unit is stopped when LED1 and LED2 are lit open the liquid stop valve completely and then repeat step 3 minutes later XIf the refrigerant recovering operation has been completed normally LED1 and LED are lit the unit will remain stopped until the power supply is turned off Turn off the power supply circuit breaker Note that when the length of the extension piping is long it may not be possible to perform a pump down operation When performing the pump down operation make sure that the low pressure is lowered to near 0 MPa gauge A Warning When pumping down the refrigerant stop the compressor before disconnecting the refrigerant pipes The compres sor may burst if air etc get into it 10 2 Start and finish of test run Operation from the indoor unit Execute the test run using the installation manual for the indoor unit Operation from the outdoor unit By using the DI
154. he remote controller Diagnosis flow LED display of the indoor controller board LED1 0 LED2 or LED3 Inspection method and troubleshooting Check the voltage of the terminal block TB6 of the remote controller DC 10V to DC 16V MES Check the status Lighting of the LED2 Blinking Check the status of the LED2 after disconnecting the remote controller wire from the terminal block TB5 of the indoor unit Check the status Lighting of the LED2 Blinking Defective remote controller Breaking or poor contact of the remote controller wire The remote controller wire short circuits Defective indoor controller board Replace the remote controller Check if there is breaking or poor contact of the remote controller wire Check the voltage of the terminal block TB5 connecting the remote controller wire If itis not between DC 10V and DC16V the indoor controller board must be defective Check if the remote controller wire is short circuited Replace the indoor controller board Before repair Frequent calling from customers Phone Calls From Customers How to Respond Unit does not operate at all The operating display of remote controller does not come on Check if power is supplied to air conditioner Nothing appears on the display unless power is supplied Un
155. he service panel See Photo 1 Front panel sani molor 2 Remove the top panel See Photo 1 fixing screws Fan motor 3 Remove 4 fan grille fixing screws 5 x 10 to detach the Propeller fan grille See Photo 1 4 Remove a nut for right handed screw of M6 to detach the propeller See Photo 2 5 Disconnect the connectors CNF1 CNF2 on controller circuit board in electrical parts box 6 Remove 4 fan motor fixing screws 5 x 20 to detach the fan motor See Photo 3 9 Fan motor fixing screws 3 Removing the electrical parts box Photo 4 1 Remove the service panel See Photo 1 Electrical 2 Remove the top panel See Photo 1 parts box 3 Disconnect the indoor outdoor connecting wire from terminal block 4 Remove all the following connectors from controller circuit board fan motor LEV thermistor Outdoor pipe thermistor Discharge thermistor Shell thermistor Outdoor 2 phase pipe thermistor Outdoors high pres sure switch and 4 way valve coil Pull out the disconnected wire from the electrical parts box Diagram symbol in the connector housing Fan motor CNF1 CNF2 LEV LEV A and LEV B LEV C only for RP140 Thermistor Outdoor pipe TH3 TH33 Thermistor Discharge TH4 Thermistor Outdoor 2 phase pipe Outdoor TH7 6 High pressure switch 63H 4 way valve coil 2154 Thermistor Shell TH32 5 Remove the terminal cover and
156. he setting Display example for accumulated operating time Display 2 7 4 FUN Blinking Waiting for response I 1 After approx 12 340 hours 10 seconds 7 Data is displayed on the display at To check the data for each item repeat steps 5 to 7 8 To cancel maintenance mode press the TEST button for seconds or press the 0 ON OFF button m Refrigerant address Single refrigerant system Multi refrigerant system group control In the case of single refrigerant system the refrigerant address Up to 16 refrigerant systems 16 outdoor units can be con is 00 and no operation is required nected as a group by 1 remote controller To check or set the Simultaneous twin triple units belong to this category refrigerant addresses single refrigerant system 1 1 Twin Refrigerant Refrigerant Refrigerant Refrigerant Refrigerant Refrigerant address address address address address 00 address 00 Outdoor unit Indoor unit 01 Remote controller Outdoor unit 15 Outdoor unit Indoor unit 01 02 Outdoor unit Indoor unit 01 01 Outdoor unit Indoor unit 01 00 Outdoor unit Indoor unit 01 Remote controller Indoor unit 02 Indoor unit 01 Remote controller 112 14 2 GUIDE FOR OPERATION CONDITION zs Breaker Good Retightened g 2 S
157. hen it transmits signal to LOSSNAY During sequential operation of indoor unit and LOSSNAY of other refrigerant system if indoor unit transmits signal to LOSSNAY while outdoor unit power supply of same refrig erant system with LOSSNAY is turned off or within 2 min utes of restart abnormality is detected Contact failure of transmis sion wire of indoor unit of LOSSNAY Disconnection of transmission connector CN2M of indoor unit Defective transmitting receiv ing circuit of indoor unit or LOSSNAY 7 If displayed address or attribute is non existent The unit of former address does not exist as address switch has changed while the unit was energized Abnormality is detected when indoor unit transmits signal because the address of FRESH MASTER and LOSSNAY are changed after sequential operation of FRESH MASTER and LOSSNAY by remote controller 52 Same as mentioned in A7 of the previous page Error Code Abnormal points and detection method Case Judgment and action M NET NO RESPONSE Transmitting condition is Check transmission waveform or noise on Abnormal if a message was transmitted repeated fault because of transmission wire and there were reply ACK that message noise and the like Turn off the power supply of outdoor unit was received but response command Q Extinction of transmission wire and indoor unit and FRESH MASTER or does not return Transmitting sid
158. ice panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 4 valve bed of the unit and then remove the right side panel 6 Remove the 4 way valve coil See Photo 8 7 Recover refrigerant 8 Remove the welded part of 4 way valve ing the right side panel cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 and then remove the 5 Remove 3 right side panel fixing screws 5 x 10 in the rear Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov Note 3 When installing the 4 way valve cover it with a wet 9 Removing the LEV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 4 valve bed of the unit and then remove the right side panel 6 Remove the LEV 7 Recover refrigerant 8 Remove the welded part of linear expansion valve ing the right side panel Note 3 When installing the LEV cover it with a wet cloth to prevent it from heating 120 C or more then oxidized Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 and then remove the 5 Remove 3 right side panel fixing screws 5 x 1
159. ilter operating current A temperature C time Hours The filter operating time is the time that has elapsed since the filter was reset 14 1 MAINTENANCE MODE OPERATION METHOD Ifyou are going to use 14 2 GUIDE FOR OPERATION CONDITION set the airflow to High before activating maintenance mode e Switching to maintenance mode Maintenance mode can be activated either when the air conditioner is operated or stopped It cannot be activated during test run Maintenance information can be viewed even if the air conditioner is stopped W Remote controller button information MITSUBISHI ELECTRIC Come oh 13 xi HORS nis O LiL i Ji TEMP ON OFF gt Operation mode Compressor information Outdoor unit information Indoor unit information Confirm 20327 OMENU S FILTER gt amp gt 38564 TEST em PAR 21MAA CLEAR Activate cancel maintenance mode 1 Press the TEST button for 3 seconds to switch to maintenance mode Display amp 9 If stable operation is unnecessary or if you want to check the data with the air conditioner stopped skip to step 4 Fixed Hz operation The operating frequency can be fixed to stabilize operation of inverter model If the air conditioner is currently stopped start it by this operat
160. in the air Photo 18 Valve bed Valve bed fixing Screws Power receiver Separator Compressor MC Separator fixing screw Compressor fixing nut 14 Removing the power receiver 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel See Photo 4 4 Remove 4 back cover panel fixing screws 5 x 10 and remove the back cover panel b Remove the electrical parts box See Photo 4 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 and then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and then remove the right side panel 8 Recover refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10 Remove 2 receiver leg fixing screws 4 x 10 Note Recover refrigerant without spreading it in the air Photo 19 Power receiver Receiver leg Compressor ns fixing screws 136 PUHZ RP200YKA PUHZ RP200YKAR1 PUHZ RP250YKA OPERATING PROCEDURE PHOTOS amp ILLUSTRATION 1 Removing the service panel and top panel 1 Remove 3 service panel fixing screws 5 x 10 and slide the hook on the right downward to remove the service panel 2 Remove screws 3 for front 3 for rear 5 x 10 of the top panel and remove it Pho
161. ing access to terminal all supply circuits must be disconnected 3 2 CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilizing refrigerant R410A Preparation before the repair service Prepare the proper tools Prepare the proper protectors Provide adequate ventilation After stopping the operation of the air conditioner turn off the power supply beaker Discharge the condenser before the work involving the electric parts Precautions during the repair service Do not perform the work involving the electric parts with wet hands Do not pour water into the electric parts Do not touch the refrigerant Do not touch the hot or cold areas in the refrigerating cycle When the repair or the inspection of the circuit needs to be done without turning off the power exercise great caution not to touch the live parts 2 Use new refrigerant pipes Do not use refrigerant other than R410A In case of using the existing pipes for R22 be careful with the followings Be sure to clean the pipes and make sure that the insides of the pipes are clean Change flare nut to the one provided with this product Use a newly flared pipe Avoid using thin pipes If other refrigerant R22 etc is used chlorine in refrige rant can cause deterioration of refrigerant oil etc Use a vacuum pump with a reverse flow check valve Vacuum pump oil
162. ing and discharge temperature thermistor TH4 exceeds 110 2 Abnormal if discharge superheat Cooling TH4 TH5 Heating TH4 TH6 increases All the conditions in A or B are detected simultaneously for 10 minutes continuously after 6 minutes past from compressor start up including the thermostat indication or recovery from defrosting Condition A Heating mode When discharge superheat is less than 70 deg When the TH6 temp is more than the value obtained by TH7 5 deg When the condensing temp of TH5 is less than 35 C lt Condition B gt During comp operation Cooling and Heating When discharge superheat is less than 80 deg in Cooling When discharge superheat is less than 90 deg in Heating When condensing temp of TH6 is more than 40 In Cooling only 3 Abnormal if comp shell temperature thermistor TH32 exceeds 125 C or 110 C continuously for 5 minutes Overheated compressor opera tion caused by shortage of refrigerant Defective operation of stop valve Defective thermistor Defective outdoor controller board Defective action of linear expansion valve 44 Check intake superheat Check leakage of refrigerant Charge additional refrigerant Check if stop valve is fully open Turn the power off and check if is dis played when the power is on again When U3 is displayed refer to Judgement and action for U3
163. ing screws 4 x 10 Power receiver Note Recover refrigerant without spreading it in the air 4 qm 3 aan Receiver Compressor Receiver leg MC fixing screws 130 PUHZ RP100YKA PUHZ RP125YKA PUHZ RP140YKA OPERATING PROCEDURE PHOTOS amp ILLUSTRATION 1 Removing the service panel and top panel Photo 1 Top panel fixing screws 9 panel 1 Remove 3 service panel fixing screws 5 x 10 and slide the hook on the right downward to remove the service panel y 2 Remove screws 3 for front 3 for rear 5 x 10 of the top Grille panel and remove it FFNS Grille fixing Screws Service panel fixing screws Cover panel fixing screws 2 Removing the fan motor MF1 MF2 Photo 2 Photo 3 Fan motor fixing screws Fan motor 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 4 fan grille fixing screws 5 x 10 to detach the fan grille See Photo 1 4 Remove a nut for right handed screw of M6 to detach the propeller See Photo 2 5 Disconnect the connectors CNF1 CNF2 on controller circuit board in electrical parts box 6 Remove 4 fan motor fixing screws 5 x 20 to detach the Nut fan motor See Photo 3 er Propeller Fan motor fixing screws 3 Removing the electrical parts box Photo 4 Electrical 1 Remove the service panel See Photo 1 parts box 2 Remove the top panel See Photo 1 Noise filter circuit
164. inuously detected less than or equal to 15 C for minutes even though linear expansion valve has minimum open pulse after compressor starts operating for 10 minutes Disconnection or loose connection of discharge temperature thermistor TH4 Defective holder of discharge temperature thermistor 9 Disconnection or loose connection of linear expansion valve s coil Disconnection or loose connection of linear expansion valve s connector Defective linear expansion valve 45 Check the installation conditions of discharge temperature thermistor TH4 G Check the coil of linear expansion valve Refer to 11 7 Check the connection or contact of LEV A and LEV B on outdoor controller circuit board Check linear expansion valve Refer to 11 6 Error Code Abnormal points and detection method Case Judgment and action Outdoor fan motor Abnormal if rotational frequency of the fan motor is not detected during DC fan motor operation Fan motor rotational frequency is abnor mal if 100 rpm or below detected continuously for 15 seconds at 20 C or more outside air temperature 50 rpm or below or 1500 rpm or more detected continuously for 1 minute Failure in the operation of the DC fan motor Failure in the outdoor circuit controller board D Check or replace the DC fan motor Check the voltage of the outdoor circuit controller board during operation 3
165. ion 2 Press the MODE button to select the desired operation mode Stable cooling Stable heating Stable operation Display operation operation cancellation COOL HEAT STABLE MODE STABLE MODE STABLE MODE CANCEL 3 Press the FILTER button to confirm the setting i iti ilizati p p sos ul Display Waiting for stabilization 2 an oo Stabilized aaa After 10 to 20 minutes e Data measurement When the operation is stabilized measure operation data as explained below 4 Press the TEMP buttons to select the desired refrigerant address 5 Select the type of data to be displayed After selecting go to step 6 Compressor information MENU button Cumulative _____ gt ON OFF Number gt 9 Operating current Display operation time COMP ON COMP ON COMP ON x10 HOURS x100 TIMES CURRENT A Outdoor unit information ON OFF button Heat exchanger gt 6 Comp discharge Outdoor ambient Display amp temperature temperature temperature OUTDOOR UNIT OUTDOOR UNIT OUTDOOR UNIT H EXC TEMP OUTLET TEMP OUTDOOR TEMP Indoor unit information button Indoor room Heat exchanger Filter operatin gt g 9 g 5 temperature temperature time Display INDOOR UNIT INDOOR UNIT INDOOR UNIT INLET TEMP H EXC TEMP FILTER USE H 6 Press the FILTER button to confirm t
166. ional M NET Adapter Board TH32 Thermistor lt Shell gt Record Reset Refrigerant Address gt CNVMNT Connector LEV A LEV B Electronic Expansion Valve SWA4 Switch lt Test Operation gt Connected to Optional M NET Adapter Board ACL Reactor SW5 Switch Function Switch gt CNDM Connector CY1 CY2 Reactor SW6 Switch Model Select lt Connected for Option Contact Input P B Power Circuit Board SW7 Switch lt Function Setup gt 51 52 Relay TABR S Connection Terminal lt L N Phase gt SWw8 Switch Function Setup TABU V W Connection Terminal lt U V W Phase gt SWI Switch When M NET adapter is connected LEVA LEV B Swit TH33 TH7 TH4 o ML M 15 m amp C B 5 fo t ty ft t 812 i T ou 59 7 1 2 12 1 4 12 21 1 6 1 6 1 3 1 5 orm ass TH33TH32 TH7 G TH3 THA LEVA LEVB CNVMNT CNVNT 588 8812 2 MNETADAPTER YLW BLK RED WHT WHT WHT RED WHT WH Em CND 88 85 Bl M 5 ul J Ressesesssococo e o ca 3 ess 63H WHT YLW CN52C ani at 3 CN2 H WHT 12 236 a TRANS LA wen Pal EET 5 9999999 E CNDC 1 2 5 9 1 PNK ___ if Br R 65 eh Coo F2 CNAC F3 P CNS WHT x 2 yu za 2194 31 ft 3L H ss 34 GRN BS BI 2154 RED RED RED US WHT ATL WHT WHT N F ACL MSWC 3 WATSU P B HBE CN5 1 PFC RED 2 gorse ee ares IPM 71 1 Ty T
167. ioner cannot be operated from the remote controller diagnose the remote controller as explained below m If the correct voltage DC12 V is not supplied to the remote controller the indicator will not light First check that the power on indicator is lit ES If this occurs check the remote controller s wiring and the indoor unit e LL Power on indicator Switch to the remote controller self diagnosis mode Press the FILTER button to start self diagnosis Press CHECK button for 5 seconds or more The display content will change as shown below SELF SELF 5 r KL KL Remote controller self diagnosis result When the remote controller is functioning correctly RE Check for other possible causes as 1 is no problem with the remote controller When the remote controller malfunctions Error display 1 NG blinks gt The remote controller s transmitting receiv ing circuit is defective BE pe SS Where the remote controller is not defective but cannot be operated Error display 2 6833 or 6832 blinks Transmission is not possible Error display 3 ERC and the number of data errors are displayed Data error has occurred ERE Ney The number of data errors is the difference between the number of bits sent from the remote controller and the
168. ischarge temperature TH4 3 217 5 Outdoor unit Liquid pipe 1 temperature TH3 40 90 6 Outdoor unit Liquid pipe 2 temperature 40 90 7 Outdoor unit 2 phase pipe temperature TH6 39 88 8 9 Outdoor unit Outside air temperature TH7 39 88 10 Outdoor unit Heatsink temperature TH8 40 200 11 12 Discharge superheat SHd 0 255 13 Sub cool SC 0 130 14 15 16 Compressor Operating frequency 0 255 Hz 17 Compressor Target operating frequency 0 255 Hz 18 Outdoor unit Fan output step 0 10 Step 19 Outdoor Ent say speed 0 9999 jam Only for air conditioners with DC fan motor 20 Outdoor unitFan lt 0 9999 rpm 0 is displayedifthe air conditioneris a single fan Only for air conditioners with DC fan motor type 21 22 LEV A opening 0 500 Pulses 23 LEV B opening 0 500 Pulses 24 25 Primary current 0 50 A 26 DC bus voltage 180 370 V 27 28 29 Number of connected indoor units 0 4 Units 30 Indoor unit Setting temperature 17 30 31 Indoor unit Intake air temperature Measured by thermostat 8 39 32 Indoor unit Intake air temperature Unit No 1 8 39 c O is displayed if the target unit is not present Heat mode 4 deg correction 33 Indoor unit Intake air temperature Unit No 2 8 39 1 Heat mode 4 deg gt 34 Indoor unit Intake air temperature Unit No 3 8 39
169. it cannot be restarted for a while after it s stopped Wait around 3 minutes to restart unit The air conditioner is in a state of being protected by the microcomputer s directive Once the compressor is stopped the unit cannot be restarted for 3 minutes This control is also applied when the unit is turned on and off by remote controller Error code appears and blinks on the display of remote controller Error code will be displayed if any protection devices of the air conditioner are actuated What is error code Refer to SELF DIAGNOSIS ACTION TABLE 2 Check if servicing is required for the error Remote controller PLEASE WAIT is displayed on the screen Wait around 2 minutes An automatic startup test will be conducted for 2 minutes when power is supplied to the air conditioner PLEASE WAIT will be kept being displayed while that time FILTER is displayed on the screen This indicates that it is time to clean the air filters Clean the air filters Press the FILTER button on the remote controller twice to clear FILTER from the display See the operation manual that came with the product for how to clean the filters Display time of FILTER depends on the model Long life filter 2500 hrs Standard filter 100 hrs 9 STANDBY is displayed on the screen This is displayed when the unit starts HEAT operation when the thermostat puts the compre
170. ite Brown Yellow Red Orange Brown Blue 46440 Open or short Linear expansion valve LEV A LEV B LEV C For RP100 RP250 Disconnect the connector then measure the resistance with a tester Winding temperature 20 C Normal Abnormal Gray Black Gray Red Gray Yellow Gray Orange 462430 Open or short 63 Check method of DC fan motor fan motor outdoor controller circuit board Notes High voltage is applied to the connecter CNF1 2 for the fan motor Pay attention to the service Do not pull out the connector CNF1 2 for the motor with the power supply on It causes trouble of the outdoor controller circuit board and fan motor Self check Symptom The outdoor fan cannot turn around Fuse check Check the fuse F5 on outdoor controller board Did the fuse blow V Wiring contact check Contact of fan motor connector CNF1 2 Replace outdoor controller board C B d fan motor MF1 2 4 Is there contact failure gt Yes gt V No Power supply check Remove the connector CNF1 2 Measure the voltage in the outdoor controller circuit board TEST POINT Q Voc between 1 and 4 of the fan connector Voc DC250 330V TEST POINT Vcc between 5 and 4 of the fan connector Vec DC15V 4 Is the voltage nor
171. l Always Breaker capacity setting 5 16A 25A When power supply ON Defrost setting For high humidity Normal Always No function No function No function No function Function switch Normal No function e T ON OFF ON OFF 4 5 ON OFF 123 ON OFF a 3 Model select N o 140Y lore mm 123 m 4 m 4 m 4 MODEL The blac positi 0 200YKA 200YKAR1 X2 Power failure automatic recovery can be set by either remote controller or this DIP SW If one of them is set to ON Auto recovery activates Please set Auto recovery basically by remote controller because all units do not have DIP SW Please refer to the indoor unit installation manual x3 SW7 1 is setting change over of Demand Low noise It is effective only in case of external input Local wiring is n
172. l Service Tool Unit condition LED1 Green LED2 Red Error code Indication of the display When the power is turned on Lighted Lighted e Alternately blinking display When unit stops Lighted Not lighted 00 etc Operation mode When compressor is warming up Lighted Not lighted 08 etc When unit operates Lighted Lighted C5 H7 etc 2 Abnormal condition Indication Outdoor controller board LED1 Green LED2 Red Contents Inspection method 1 blinking 2 blinking Check if connector 63H on the outdoor controller board is Connector 63H is open not disconnected Check continuity of pressure switch 63H by tester inki inking Miswiring of indoor outdoor unit conne ifi i ire i 2 blinking 1 blinking Siig WIT excessive number of Indoor Check if indoor outdoor connecting wire is connected correctly units 4 units or more Check if 4 or more indoor units are connected to outdoor unit Miswiring of indoor outdoor unit co Check if noise entered into indoor outdoor connecting wire nnecting wire converse wiring or di sconnection or power supply Re check error by turning off power and on again Startup time over 2 blinking Indoor outdoor unit communication error Check if indoor outdoor connecting wire is connected correctly signal receiving error is detected by in door unit Check if noise entered into indoor outdoor connecting wire or Indoor ou
173. l state Refer to 13 2 1 Detail Contents in Request Code 53 Outdoor unit Fan control state Refer to 13 2 1 Detail Contents in Request Code 54 Actuator output state Refer to 13 2 1 Detail Contents in Request Code 55 Error content U9 Refer to 13 2 1 Detail Contents in Request Code 56 57 58 59 60 Signal transmission demand capacity 0 255 61 Contact demand capacity Refer to 13 2 1 Detail Contents in Request Code 62 External input state silent mode etc Refer to 13 2 1 Detail Contents in Request Code 63 64 65 66 67 68 69 70 Outdoor unit Capacity setting display Refer to 13 2 1 Detail Contentsin Request Code 71 Outdoor unit Setting information Refer to 13 2 1 Detail Contents in Request Code 72 73 Outdoor unit SW1 setting information Refer to 13 2 1 Detail Contents in Request Code 74 Outdoor unit SW2 setting information Refer to 13 2 1 Detail Contentsin Request Code 75 76 Outdoor unit SWA setting information Refer to 13 2 1 Detail Contents in Request Code 77 Outdoor unit SW5 setting information Refer to 13 2 1 Detail Contents in Request Code 78 Outdoor unit SW6 setting information Refer to 13 2 1 Detail Contents in Request Code 79 Outdoor unit SW7 setting information Refer to 13 2 1 Detail Contentsin Request Code 80 Outdoor unit SW8 setting information Refer to 13 2 1 Detail Contents in Request Code 81 Outdoor unit SW9 setting information Refer to 13 2 1 Detail Content
174. lded part of LEV Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the back panel Note 3 When installing the LEV cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 1 2 3 4 5 6 7 8 Photo 10 LEV coil LEV A LEV coil LEV B 4 way valve fixing screw 10 Removing the high pressure switch 63H 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back panel See Photo 1 5 Remove the electrical parts box See Photo 5 6 Pull out the lead wire of high pressure switch 7 Recover refrigerant 8 Remove the welded part of high pressure switch Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the back panel Note 3 When installing the high pressure switch cover it with a wet cloth to prevent it from heating 100 C or more then braze the pipes so that the inside of pipes are not oxidized Photo 11 High pressure switch 63H Charge plug 11 Removing the reactor ACL 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back panel See Photo 1 5 Remove 3 reactor fixing screws
175. ler Power supply appliance M NET type outdoor M NET type outdoor Uni M NET type outdoor ZX N transmission wire If there are more than 2 earthing spots on the shield wire noise may enter into the shield wire because the earth wire and shield wire form 1 circuit and the electric potential difference occurs due to the impedance difference among earthing spots In case of single spot earthing noise does not enter into the shield wire because the earth wire and shield wire do not form 1 circuit To avoid communication errors caused by noise make sure to observe the single spot earthing method described in the installation manual 29 e wiring 1 Use 2 core x 1 25mmev shield wire for electric wires Excluding the case connecting to system controller 2 Connect the wire to the M NET terminal block Connect one core of the transmission wire non polar to A terminal and the other to B Peel the shield wire twist the shield part to a string and connect it to S terminal 3 In the system which several outdoor units are being connected the terminal A B S on M NET terminal block should be individually wired to the other outdoor unit s terminal i e A to A B to B and S to S In this case choose one of those outdoor units and drive a screw to fix an earth wire on the plate as shown on the right figure M NET terminal block
176. lly start operating when power is recovered after power failure black out occurs This function is called auto recovery feature from power The air conditioner stops even though any buttons on the remote controller are not pressed Check if you set ON OFF timer The air conditioner stops operating at the time designated if OFF timer has been set before Check if any operations are ordered by distant control system or the central remote controller While CENTRALLY CONTROLLED INDICATOR is displayed on the remote controller the air conditioner is under the control of external directive 61 There might be a case that CENTRALLY CONTROLLED INDICATOR will not be displayed Phone Calls From Customers How to Respond A white mist is expelled from the indoor unit This is not a malfunction This may occur when the operation gets started in the room of high humidity Water or moisture is expelled from the outdoor unit Cooling when pipes or piping joints are cooled they get sweated and water drips down Heating water drips down from the heat exchanger Make use of optional parts Drain Socket and Drain pan if these water needs to be collected and drained out for once The display of wireless remote controller gets dim or does not come on The indoor unit does not receive a signal from remote controller at a long distance Batteries are being exhausted Replace them
177. lt Ground gt CNM Connector A Control Service Inspection Kit TH4 hermistor lt Discharge gt 52C 52C Relay CNMNT Connector TH6 hermistor Outdoor 2 Phase Pipe Controller Circuit Board Connected to Optional M NET Adapter Board TH7 hermistor lt Outdoor gt 5 1 Switch Forced Defrost Defect History CNVMNT Connector TH8 hermistor Heat Sink Record Reset Refrigerant Address Connected to Optional M NET Adapter Board TH32 hermistor lt Shell gt SW4 Switch lt Test Operation gt CNDM Connector LEV A LEV B Electronic Expansion Valve SW5 Switch lt Function Switch gt lt Connected for Option Contact Input gt ACL Reactor SW6 Switch lt Model Select gt X51 X52 Relay CY1 CY2 Reactor SW7 Switch Function Setup Power Circuit Board SW8 Switch Function Setup TABR S Connection Terminal lt L N Phase gt SWI Switch TABU V W Connection Terminal lt U V W Phase gt LED1 LED2 LED IPM Power Module lt Operation Inspection Indicators gt When M NET adapter is connected 63H LEV A LEV B TH33 TH32 TH7 TH3 THA a 15 4 8 m C B 5 QLED2 fo t tr LeD3 87 mrt 16559 m 5 5 P3 6559 55650 666609 05 56955 mx 7 Ta 1 4 12 21 1 1 amp 1 3 1 5 SES CE TH33 TH32 TH7 6 TH3 TH4 LEV A LEV B CNVMNT CNMNT Sesa MNETADAPTER YLW BLK RED WHT WHT WHT RED WHT WHT Em ss 5
178. mal gt Yes gt m Replace the fan motor V V Yes OK Check the operation of fan END Replace outdoor controller board Y NG 4 C Replace outdoor controller board OK Check the operation END Replace the fan motor 64 11 7 HOW TO CHECK THE COMPONENTS Thermistor feature chart Low temperature thermistors Thermistor Outdoor pipe TH3 Thermistor Outdoor 2 phase pipe TH6 Thermistor Outdoor TH7 Thermistor Outdoor pipe TH33 Thermistor RO 15kQ 396 B constant 3480 296 1 1 Rt 15 3480 274 OC 15kQ 30 C 4 3kQ 10C 9 6kQ 40 C 3 0kQ 20C 6 3kQ 25C 5 2kQ Medium temperature thermistor Thermistor lt Heatsink gt TH8 xRP35 RP71V only Thermistor R50 17kQ 296 B constant 4150 3 1 1 Rt 17exp 4150 573 323 OC 180kQ 25C 50kQ 50 C 17 70 8kO 90 C 4kQ High temperature thermistor Thermistor Discharge TH4 e Thermistor Shell TH32 Thermistor R120 7 465kQ 296 B constant 4057 2 1 1 Rt 7 465exp 4057 573 393 20C 250 70 C 34kQ 30C 160 80 C 24kQ 40C 104kQ 90C 17 5kQ 70kO 100C 13 0kQ 60C 48 110C 9 8kQ 65 50 A Resistance ko Resistance Resistance k wo N eo 200 20 10 0 Temperature 10 20 30 40 50
179. may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc Make sure that the inside and outside of refrige rant piping is clean and it has no contaminants such as sulfur oxides dirt shaving particles etc which are hazard to refrigerant cycle In addition use pipes with specified thickness Use the following tools specifically designed for use with R410A refrigerant Contamination inside refrigerant piping can cause deterio ration of refrigerant oil etc The following tools are necessary to use R410A refrigerant Tools for R410A Flare tool Size adjustment gauge Vacuum pump adaptor Gauge manifold Charge hose Gas leak detector Store the piping to be used indoors during installation and both ends of the piping sealed until just before brazing Leave elbow joints etc in their packaging Torque wrench Electronic refrigerant charging scale Handle tools with care If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor The refrigerant oil applied to flare and flange connections must be ester oil ether oil or alkylbenzene oil in a small amount Do not use a charging cylinder If
180. move the electrical parts box fixing screws 1 from the front the right and the rear side and detach the electrical parts box by pulling it upward Electrical parts box Controller circuit board Terminal Compressor MC 4 Removing the thermistor Outdoor 2 phase pipe TH6 Photo 6 and thermistor Outdoor pipe TH3 TH33 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 Thermistor 3 Remove the front panel See Photo 1 Electrical me 2 phase pipe gt 4 Remove the back panel fixing screws 4 from the right and parts box 3 from the rear side and detach the back panel See Photo 1 5 Disconnect the connector TH3 white or TH6 7 red or TH33 yellow on the controller circuit board in the electrical parts box 6 Loosen the clamp for the lead wire in the rear of the electrical parts box 7 Pull out the thermistor lt Outdoor pipe gt TH3 TH33 and thermistor Outdoor 2 phase pipe TH6 from the sensor holder Note Replace the thermistor Outdoor 2 phase pipe TH6 and the thermistor Outdoor TH7 together since they are combined Refer to No 5 to remove the thermistor Outdoor TH7 Thermistor zm gt lt Outdoor pipe gt Thermistor Outdoor pipe TH33 117 OPERATING PROCEDURE PHOTOS 5 Removing the thermistor Outdoor TH7 1 Remove the service panel See Figure 1 2
181. move the front panel See Photo 1 3 Remove 1 nut M6 left screw and detach the propeller 4 Disconnect the connector CNF1 on the controller circuit board in the electrical parts box 5 Loosen the clamp for the lead wire in the motor support 6 Remove 4 fan motor fixing screws 4 x 18 and detach the fan motor See Photo 3 imm Photo 4 Motor support Fan motor fixing screws 116 OPERATING PROCEDURE PHOTOS 3 Removing the electrical parts box Photo 5 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Disconnect the indoor outdoor connecting wire from terminal block 5 Remove all the following connectors from controller circuit board fan motor LEV thermistor lt Outdoor pipe thermistor lt Discharge gt thermistor lt Outdoor 2 phase pipe thermistor lt Outdoor gt high pressure switch 4 way valve and bypass valve Pull out the disconnected wire from the electrical parts box Diagram symbol in the connector housing lt Fan motor CNF1 Electrical LEV LEV A and LEV B p D box Thermistor Outdoor pipe TH3 TH33 screw Thermistor Shell TH32 E Thermistor Discharge TH4 2 Thermistor Outdoor 2 phase pipe Outdoor TH6 7 Terminal ZI High pressure switch 63H cover 6 Remove the terminal cover and disconnect the compressor lead wire 7 Re
182. mpressor inlet and outlet then remove the compressor Note Recover refrigerant without spreading it in the air 129 2 Disconnect the connecting wire from TAB DCL1 DCL2 on 99 2194 ENEY VANG the power circuit board 3 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and remove the right side panel 4 Remove 4 reactor fixing screws 4 x 10 and remove the reactor 12 Removing the compressor MC Photo 10 Valve bed Valve bed fixing 4 screws e Power receiver Separator ester P T Separator fixing screw Compressor fixing nut OPERATING PROCEDURE 13 Removing the power receiver 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel See Photo 4 oS 4 Remove 4 back cover panel fixing screws 5 x 10 and Rel ea Outlet remove the back cover panel 5 Remove the electrical parts box See Photo 4 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 8 Recover refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10 Remove 2 receiver leg fix
183. n the direction of the arrow B See Photo 8 and 9 6 Remove the 2 screws screw and 0 that fix the plate equipped with the noise filter circuit board and converter circuit board See Photo 10 Note When reassembling the electrical parts box make sure the wirings are correct Photo 7 Bottom plate of electrical parts box Screw Electrical parts Heatsink 3 box Photo 9 Noise filter circuit board Converter circuit board CONV B Power circuit board P B 7 Remove the terminal cover and disconnect the Photo 5 compressor lead wire 8 Remove 2 electrical parts box fixing screws 4 x 10 and detach the electrical parts box by pulling it upward The electrical parts box is fixed with 2 hooks on the left and 1 codes parts box hook on the right Electrical parts box fixing screw 4 Disassembling the electrical parts box 1 Disconnect all the connectors on the controller circuit board Electrical 2 Remove the screws screw and that fix the Photo 6 parts box Controller circuit board C B Screw Bottom plate of electrical parts box Photo 10 Screw 132 Electrical parts box OPERATING PROCEDURE PHOTOS 5 Removing the thermistor Outdoor 2 phase pipe TH6 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the connector TH7 6 red on the controller circuit
184. ncorrect so repeat steps and to set the correct ones When grouping different refrigerant systems if an indoor unit other than the one to which the refrigerant address has been set performs fan operation there may be another refrigerant address that is the same as the specified one In this case check the DIP switch of the outdoor unit to see whether such a refrigerant address exists amp Select the mode number Press the B TEMP buttons and to set the desired mode Mode number number display section Only the selectable mode numbers can be selected C3 S oon vou Gin e Mode number 02 Indoor temperature detection Q Select the setting content for the selected mode Press the E TEMP buttons and A to select the desired setting Press the MENU button The currently selected setting number will number flash so check the currently set content t LIU LIU ri EUMD udi iti d Setting number display section BE Setting number 1 Indoor unit operating average sang number 3 Remote controller built in sensor Register the settings you have made in steps to The mode number and setting number will stop flashing and remain lit indicating the Press the button The mode number and setting number will start of registration to flash and registration starts ELIHCTIOH
185. nd the meaning of error code by controlling DIP SW2 on A Control Service Tool Operation indicator SW2 Indicator change of self diagnosis SW2 setting Display detail Explanation for display ON 123456 lt Digital indicator LED1 working details gt Be sure that the 1 to 6 in the SW2 are set to OFF 1 Display when the power supply ON When the power supply ON blinking displays by turns Sesong Wait for 4 minutes at the longest 2 When the display lights Normal operation Operation mode display Lighting LED1 Eu Initial setting C 7 The tens digit Operation mode The ones digit Relay output Display Compressor 4 way valve Solenoid valve Display Operation Model OFF FAN COOLING DRY HEATING DEFROSTING C5 is displayed during replacement operation ON ON ON ON ON ON Gbisplay during error postponement Postponement code is displayed when compressor stops due to the work of protection device Postponement code is displayed while error is being postponed 8 When the display blinks Inspection code is displayed when compressor stops due to the work of protection devices Contents to be inspected During operation Abnormal high pressure 63H operated Abnormal high disch
186. nding on the indoor and outdoor temperature 1 It may be judged as Filter inspection due to the outdoor and indoor temperature even though it is not clogged 113 Check Points Enter the temperature differences between D and into the graph given below Operation state is determined according to the plotted areas on the graph For data measurements set the fan speed to Hi before activat ing maintenance mode Result Classification Inspection 15 D000 displayed stably on the remote Stable Unstable controller Temperature Discharge temperature Outdoor c O difference heat exchanger temperature Indoor intake air temperature Indoor heat exchanger temperature Inspection 15 D000 displayed stably on the remote Stable Unstable controller E Temperature Discharge temperature Indoor c I difference heat exchanger temperature 8 Indoor heat exchanger temperature c Indoor intake air temperature Fixed Hz operation may not be possible under the following tempera ture ranges A In cool mode outdoor intake air temperature is 40 C or higher or indoor intake air temperature is 23 C or lower B In heat mode outdoor intake air temperature is 20 or higher or indoor intake air temperature is 25 C or lower If the air conditioner is operated at a temperature range other than the ones above but operation is no
187. ness does not meet specifications or the pipes are damaged If the existing air conditioner cannot operate use a refrigerant recovery device to collect the refrigerant Disconnect the existing air conditioner from the pipes Attach the new air conditioner Perform the airtight test vacuum air purging additional refrigerant charging if necessary and gas leak check n case existing pipes were used for gas or oil heat pump systems be sure to clean the pipes for RP100 250 models Use new pipes for RP35 71 models The existing pipes cannot be reused Use new pipes 2 Cautions for refrigerant piping work New refrigerant R410A is adopted for replacement inverter series Although the refrigerant piping work for R410A is same as for R22 exclusive tools are necessary so as not to mix with different kind of refrigerant Furthermore as the working pressure of R410A is 1 6 times higher than that of R22 their sizes of flared sections and flare nuts are different Thickness of pipes Because the working pressure of R410A is higher compared to R22 be sure to use refrigerant piping with thickness shown below Never use pipes of 0 7 mm or below Diagram below Piping diameter and thickness Thickness mm Nominal dimensions inch Outside diameter mm 1 4 6 35 3 8 9 52 1 2 12 70 5 8 15 88 3 4 19 05 Dimensions of flare cu
188. ng Diagnose remote controller a When RC is displayed remote con trollers have no problem Turn the power off and on again to check When becoming abnormal again replace indoor controller board b When RC is displayed replace remote controller c When RC ES or ERC 00 66 is dis played noise may be causing abnormality Indoor outdoor unit communication error Signal receiving error Abnormal if indoor controller board could not receive any signal normally for 6 minutes after turning the power on Abnormal if indoor controller board could not receive any signal normally for 3 minutes G Consider the unit as abnormal under the following condition When 2 or more indoor units are connected to an out door unit indoor controller board could not receive a signal for 3 minutes from outdoor controller circuit board a signal which allows outdoor controller circuit board to transmit signals Contact failure short circuit or miswiring converse wiring of indoor outdoor unit connecting wire Defective transmitting receiv ing circuit of outdoor controller circuit board Defective transmitting receiv ing circuit of indoor controller board Noise has entered into indoor outdoor unit connecting wire Defective fan motor amp Defective rush current resistor of outdoor power circuit board Check LED display on outdoor controller circuit board Connect A Control se
189. ng sent for about 20 seconds a When the valve moves smoothly there is no sound or vibration 7 1 occurring from the linear expansion valve however when the 5 pulse number moves from to when the valve is locked E 7 i more sound can be heard No sound is heard when the pulse number moves from 6 to in case coil is burnt out or motor is locked by open phase Close Open Sound can be detected by placing the ear against the screw driv er handle while putting the screw driver to the linear expansion valve i 500 pulse Opening a valve all the way 1 1 4 Pulse number Extra tightening about 32 pulse 67 3 How to attach and detach the coil of linear expansion valve RP35 RP71 Composition Linear expansion valve is separable into the main body and the coil as shown in the diagram below Coil Main body Lead wire Stopper How to detach the coil Hold the lower part of the main body shown as A firmly so that 1 the main body does not move and detach the coil by pulling it upward Be sure to detach the coil holding main body firmly Otherwise pipes can bend due to pressure A How to attach the coil UM Hold the lower part of the main body shown as A firmly so that oy i i the main body does not move and attach the coil by inserting it i downward into the main body Then securely attach the coil stop E per to pipe B At this time be careful t
190. normal figure as effective data 5C 50 C 45 C Discharge superheat SHd Cooling TH4 TH6 Tc Ta Heating TH4 5 Td 50 Degree of subcooling SC Cooling TH6 TH3 Ta 45 Heating TH5 TH2 50 45 5 deg 71 11 9 TEST POINT DIAGRAM Outdoor controller circuit board PUHZ RP35 50 60 71VHA4 PUHZ RP100 125 140VKA PUHZ RP100 125 140 200 250YKA CAUTION TEST POINTO is high voltage PUHZ RP200YKAR1 SW1 CNDM CN51 Forced defrost SW7 to Input of low level sound priority mode External signal output detect history record reset refrigerant address SW6 Model select SW4 Test operation SWP Pump down SW5 Function switch SW8 Pipe replace Wiring replace CNM Connect to A control Service tool CNMNT Connect to M NET adapter CN5 CNVMNT Connect to M NET adapter CND LEV A B Linear expansion valve TH4 Thermistor lt Discharge gt TH3 Thermistor lt Outdoor pipe gt TH7 6 Thermistor lt Outdoor 2 phase pipe gt 63H High pressure switch TH32 Thermistor lt Shell gt TH33 Thermistor lt Outdoor pipe gt For RP35 140 Vra Voltage between right pins of PC5C and 5 pin and pin 4 Same as CNF1 Vsp Voltage between pins of C5B DC OV when stopped DC 1 6 5V when operated Demand control setting to Input of external contact point O amp
191. not appropriate The outdoor unit operates in the following modes COOL When the set temperature is lower than the room temperature HEAT When the set temperature is higher than the room temperature Check if filters are not dirty and clogged If filters are clogged the airflow amount will be reduced and the unit capacity will be lowered See the instruction manual that came with the product for how to clean the filters Check there is enough space around the air conditioner If there are any obstacles in the air intake or air outlet of indoor outdoor units they block the airflow direction so that the unit capacity will be lowered Sound comes out from the air conditioner gas escaping sound is heard sometimes This is not a malfunction This is the sound which is heard when the flow of refrigerant in the air conditioner is switched A cracking sound is heard sometimes This is not a malfunction This is the sound which is heard when internal parts of units expand or contract when the temperature changes A buzzing sound is heard sometimes This is not a malfunction This is the sound which is heard when the outdoor unit starts operating A ticking sound is heard from the outdoor unit sometimes This is not a malfunction This is the sound which is heard when the fan of the outdoor unit is controlling the airflow amount in order to keep the optimum operating condition
192. o 1 3 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 4 Remove 4 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel Remove the 4 way valve coil See Photo 15 Recover refrigerant Remove the welded part of 4 way valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 5 6 7 10 Removing LEV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 4 Remove 4 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 5 Remove the LEV coil 6 Recover refrigerant 7 Remove the welded part of LEV Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the LEV cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 11
193. o M NET transmission wire Check connection of each connector CN2 and CN4 between the outdoor controller circuit board and the outdoor power circuit board Replace outdoor power circuit board Replace outdoor controller circuit board Check disconnection looseness or breaking of connection wire between outdoor controller cir cuit board CNMNT and M NET board CN5 Check disconnection looseness or breaking of connection wire between outdoor controller cir cuit board CNMNT and M NET board CND Check M NET transmission wiring method Pipe temperature Cooling mode Detected as abnormal when the pipe tem perature is not in the cooling range 3 min utes after compressor start and 6 minutes after the liquid or condenser evaporator pipe is out of cooling range Note 1 It takes at least 9 minutes to detect Note 2 Abnormality P8 is not detected in drying mode Cooling range Indoor pipe temperature TH2 or TH5 intake temperature TH1 3 deg TH Lower temperature between liquid pipe temperature and condenser evaporator temperature lt Heating mode gt When 10 seconds have passed after the compressor starts operation and the hot adjustment mode has finished the unit is detected as abnormal when condenser evaporator pipe temperature is not in heat ing range within 20 minutes Note 3 It takes at least 27 minutes to detect abnormality Note 4 It excludes the period of defrosting
194. ode When no error history 0 and are displayed by turns Code display Error thermistor display When there is no error thermistor 15 displayed 3 Outdoor pipe temperature Liquid TH3 6 Outdoor pipe temperature 2 phase TH6 7 Outdoor outside temperature TH7 8 Outdoor heatsink TH8 Code display Operation frequency on error occurring 0 255 0 255 When it is 100Hz or more hundreds digit tens digit and ones digit are displayed by turns Example When 125Hz 0 5 secs 0 55 2 secs 11 gt 25 gt Fan step on error occurring 0 10 Outdoor pipe temperature TH33 39 88 39 88 When the temperature is O C or less and temperature are displayed by turns 90 SW2 setting Display detail Explanation for display LEV C opening pulse 0 480 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 130 pulse 0 5 secs 0 5secs 2 secs gt 30 Indoor room temperature 1 on error occurring 8 39 Indoor pipe temperature Liquid TH2 39 88 on error occurring When the temperature is 0 or less and 39 88 temperature are displayed by turns Example When 15 0 5 secs 0 55 5 2 secs 15
195. ode No 3 Press the TEMP buttons and CA to select the desired refrigerant address 4 Press the CLOCK buttons A_ to set the desired request code No 5 Press the FILTER button to perform data request The requested data will be displayed at in the same way as in maintenance mode Data collected during operation of the remote controller will be displayed The collected data such as temperature data will not be updated automatically even if the data changes To display the updated data carry out step 4 again Canceling the Monitoring the operation data 6 While Maintenance monitor is displayed press the CHECK button for seconds to return to maintenance mode 7 To return to normal mode press the MD ON OFF button 101 13 2 REQUEST CODE LIST Certain indoor outdoor combinations do not have the request code function therefore no request codes are displayed 8 T Y Request content Description Unit Remarks Display range 0 Operation state Referto 13 2 1 Detail Contents in Request Code 2 1 current rms 0 50 2 Compressor Accumulated operating time 0 9999 10 hours 3 Compressor Number of operation times 0 9999 100 times 4 D
196. ode is displayed when non defined error code is received Noise has entered transmission wire of remote controller Noise has entered indoor out door unit connecting wire 9 Outdoor unit is not a series of power inverter Model name of remote control ler is PAR S25A Turn the power off and on again to check Replace indoor controller board or outdoor controller circuit board if abnormality is displayed again 9 Replace outdoor unit with power inverter type outdoor unit Replace remote controller with MA remote controller Serial communication error Abnormal if serial communication between outdoor controller circuit board and outdoor power circuit board is defective 9 Abnormal if communication between outdoor controller circuit board and M NET board is not available Breaking of wire or contact failure of connector CN2 between the outdoor controller circuit board and the outdoor power circuit board Breaking of wire or contact failure of connector CN4 between the outdoor controller circuit board and the outdoor power circuit board 9 Defective communication circuit of outdoor power circuit board Defective communication circuit of outdoor controller circuit board for outdoor power circuit board Breaking of wire or contact failure of connector between outdoor controller circuit board and M NET board Contact failure of M NET board power supply line 9 Noise has entered int
197. ode of SW2 PAC SK52ST Refer to 10 10 Disconnection or contact failure of connectors Outdoor controller circuit board TH3 TH6 TH7 Outdoor power circuit board CN3 Defective thermistor Q Defective outdoor controller circuit board Thermistors Check connection of connector TH3 TH6 TH7 on the outdoor controller circuit board Check connection of connector CN3 on the outdoor power circuit board Check breaking of the lead wire for thermistor TH3 TH6 TH7 TH8 Refer to 11 9 Check resistance value of thermistor TH3 TH6 TH7 TH8 or check temperature by microcomputer Thermistor TH3 TH6 TH7 TH8 Refer to 11 6 SW2 on A Control Service Tool Refer to 11 10 Replace outdoor controller circuit board operation is available in case of abnormalities of TH3 TH6 and TH7 Refer to 11 8 Name Open detection Short detection Thermistor Outdoor pipe 40 C or below 90 C or above Thermistor Outdoor 2 phase pipe 40 C or below 90 C or above Thermistor Outdoor 40 C or below 90 C or above Thermistor lt Heatsink gt RP35 140V 27C or below 102 C or above Internal thermistor RP100 250Y 35 or below 170 C or above Temperature of heatsink Abnormal if heatsink thermistor TH8 detects temperature indicated below RP100 140V RP100 250Y The outdoor fan motor is locked Failure of outd
198. of the normal consumption The demand function will be activated when a commercially available timer or the contact input of an ON OFF switch is added to the CNDM connector option on the control board of the outdoor unit Complete the circuit as shown when using the external input adapter PAC SC36NA Option By setting SW7 1 on the control board of the outdoor unit the energy consumption compared to the normal consumption can be limited as shown below Power supply for relay SW7 1 Sw2 SW3 Energy consumption OFF OFF 100 Demand ON ON OFF 75 function ON ON 50 OFF ON 0 Stop Pa aapa 1 un 1 i i Circuit diagram example External input adapter range CNDM TE gex i aen i Demand function PAC SC36NA EE 71 Brown FOU aL oe NEN On site arrangement Outdoor unit control board 78 X Y Relay Max 10m i ji i i i Co 2 82 Display function of inspection for outdoor unit The blinking patterns of both LED1 green and LED2 red indicate the types of abnormality when it occurs Types of abnormality can be indicated in details by connecting an optional part A Control Service Tool PAC SK52ST to connector CNM on outdoor controller board Display 1 Normal condition Outdoor controller board A Contro
199. oller circuit board Disconnection or contact failure of 63H 9 63H is working due to defective parts Defective outdoor controller circuit board 42 Check connection of 63H connector on outdoor controller circuit board Refer to 11 9 Check the 63H side of connecting wire Check continuity by tester Replace the parts if the parts are defective Replace outdoor controller circuit board Error Code Abnormal points and detection method Case Judgment and action Miswiring of indoor outdoor unit con necting wire 1 Outdoor controller circuit board can automatically check the number of connected indoor units Abnormal if the number cannot be checked automatically due to miswiring of indoor outdoor unit connecting wire and etc after power is turned on for 4 minutes Abnormal if outdoor controller circuit board recognizes excessive number of indoor units Contact failure or miswiring of indoor outdoor unit connecting wire Diameter or length of indoor outdoor unit connecting wire is out of specified capacity 9 Excessive number of indoor units are connected to 1 out door unit 4 units or more Defective transmitting receiving circuit of outdoor controller circuit board Defective transmitting receiving circuit of indoor controller board Defective indoor power board 2 or more outdoor units have refrigerant address 0 In case of group control Nois
200. oltage 230 230 230 Current Discharge pressure Suction pressure Discharge temperature Condensing temperature Suction temperature Refrigerant circuit Ref pipe length Intake air temperature Indoor side Discharge air temperature Intake air temperature Outdoor side oO cO o 0218 0 9 SHF BF The unit of pressure has been changed to MPa based on international SI system The conversion factor is 1 MPa z10 2 kgf cm 13 Representative matching PLA RP100BA3 PLA RP125BA2 PLA RP140BA2 Mode Cooling Heating Cooling Heating Cooling Heating Capacity 10 000 11 200 12 500 14 000 14 000 16 000 Input 2 39 2 43 3 67 3 50 4 36 4 32 Indoor unit PLA RP100BA3 PLA RP125BA2 PLA RP140BA2 Phase Hz 1 50 1 50 Voltage 230 Current 1 07 1 00 Outdoor unit Electrical circuit PUHZ RP100VKA PUHZ RP100YKA PUHZ RP125VKA PUHZ RP125YKA PUHZ RP140VKA PUHZ RP140YKA Phase Hz 1 3 50 1 8 50 1 8 50 Voltage 230 400 230 400 230 400 Current 10 4 3 51 10 26 3 59 15 73 5 51 15 20 5 26 18 83 6 59 18 69 6 54 Discharge pressure 2 61 2 39 2 75 2 81 2 78 2 89 Suction pressure 0 99 0 72 0 85 0 69 0 83
201. on indoor controller board are not disconnected Measure resistance value of indoor thermistors 2 blinking Abnormality of drain sensor DS Float switch FS connector open Indoor drain overflow protection Check if connector CN31 CN4F on indoor controller board is not disconnected Measure resistance value of indoor thermistors Measure resistance value among terminals on drain pump using a tester Check if drain pump works GCheck drain function 3 blinking Freezing cooling overheating heating protection Check if indoor unit has a short cycle on its air duct Check if heat exchanger and filter is not dirty Measure resistance value on indoor and outdoor fan motors Check if the inside of refrigerant piping is not clogged 4 blinking Abnormality of pipe temperature x1 Error code displayed on remote controller X2 Refer to service manual for indoor unit Check if indoor thermistors TH2 and TH5 are not disconnected from holder Check if stop valve is open Check converse connection of extension pipe on plural units connection Check if indoor outdoor connecting wire is connected correctly on plural units connection 84 Outdoor unit operation monitor function When optional part A Control Service Tool PAC SK52ST is connected to outdoor controller board CNM Digital indicator LED1 displays 2 digit number or code to inform operation condition a
202. oor fan motor Air flow path is clogged Rise of ambient temperature Defective thermistor Defective input circuit of outdoor power circuit board Failure of outdoor fan drive circuit 06 Check outdoor fan G Check air flow path for cooling Check if there is something which causes temperature rise around outdoor unit Upper limit of ambient temperature is 46 C Turn off power and on again to check if U5 is displayed within 30 minutes If U4 is displayed instead of U5 follow the action to be taken for U4 Check resistance value of thermistor TH8 or temperature by microcomputer Thermistor TH8 Refer to 11 6 SW2 on A Control Service Tool Refer to 11 10 amp Replace outdoor power circuit board Replace outdoor controller circuit board Power module Check abnormality by driving power module in case overcurrent is detected UF or UP error condition Outdoor stop valve is closed Decrease of power supply voltage Looseness disconnection or converse of compressor wiring connection Defective compressor Defective outdoor power circuit board Open stop valve Check facility of power supply G Correct the wiring U V W phase to compressor Refer to 11 9 Outdoor power circuit board Check compressor referring to 11 6 Replace outdoor power circuit board Too low superheat due to low discharge temperature Abnormal if discharge superheat is cont
203. oor outdoor connecting wire from terminal block 4 Remove all the following connectors from controller circuit board fan motor LEV thermistor Outdoor pipe thermistor lt Shell gt thermistor lt Discharge gt thermistor lt Outdoor 2 phase pipe thermistor lt Outdoor gt thermistor lt Heatsink gt high pressure switch 4 way valve and bypass valve Then remove a screw 4 x 8 from the valve bed to remove the lead wire Pull out the disconnected wire from the electrical parts box lt Diagram symbol in the connector housing gt Fan motor CNF1 LEV LEV A and LEV B Thermistor Outdoor pipe TH3 TH33 Thermistor Discharge TH4 Thermistor Outdoor 2 phase pipe Outdoor TH7 6 Thermistor Heatsink CN3 High pressure switch 63H 4 way valve coil 2154 Bypass valve coil SV2 Thermistor Shell TH32 5 Remove the terminal cover and disconnect the compressor lead wire 6 Remove an electrical parts box fixing screw 4 x 10 and detach the electrical parts box by pulling it upward The electrical parts box is fixed with 2 hooks on the left and 1 hook on the right 121 Photo 4 Electrical parts box Electrical parts box fixing screw ontroller circuit board C B Terminal block TB1 OPERATING PROCEDURE PHOTOS 4 Removing the thermistor Outdoor 2 phase pipe TH6 Photo 5 hacen 1 Remove the service panel See Photo 1 Outdoor 2 phas
204. oor unit or indoor unit Disconnection of transmission connector CN2M of outdoor unit Defective transmitting receiving circuit of outdoor unit or indoor unit If displayed address or attribute is indoor unit remote controller detects abnormal ity when remote controller transmits sig nal to indoor unit and there was no reply ACK During group operation with indoor unit of multi refrigerant System if remote controller transmits signal to indoor unit while outdoor unit power sup ply of one refrigerant system is turned off or within 2 min utes of restart abnormality is detected Contact failure of transmission wire of remote controller or indoor unit Q Disconnection of transmission connector CN2M of indoor unit Defective transmitting receiving circuit of indoor unit or remote controller 51 Always try the followings when the error A7 occurs Turn off the power supply of outdoor unit indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more and turn the power on again If mal function was accidental the unit returns to normal Check address switch of abnormality gener ated address Check disconnection or looseness of abnor mality generated or abnormality detected transmission wire terminal block and con nector Check if tolerance range of transmission wire is not exceeded Check if type of transmission wire is correct or not If there
205. or unit for how to set the indoor unit During emergency operation the air conditioner will continuously be operated by supplying power and stopping it It can not be turned on or off by remote control and temperature control is not possible Do not perform emergency heating operation for an extended period of time If the outdoor unit starts defrosting during this period cold air will blow out from the indoor unit Do not perform emergency cooling operation for more than 10 hours Neglecting this could result in freezing the heat exchanger in indoor unit 3 Emergency operation procedure Turn the main power supply off Turn on the emergency operation switch SWE on indoor controller board Set the shorting pins of emergency operation connector CN31 on outdoor controller board to ON Use SWA 2 on outdoor controller board to set the operation mode cooling or heating SW4 1 is not used SW4 CN31 ON Heating ON Shorting pins 1 2 Cooling OFF amp Turning the main power supply on will start the emergency operation 4 Releasing emergency operation Turn the main power supply off SWA Set the emergency operation switch SWE on indoor controller board to OFF ON Heating Set the shorting pins of emergency operation connector CN31 on outdoor controller board to OFF Set SW4 2 on outdoor controller board as shown in the right 1 2 Cooling x If shorting pins are no
206. orrect the wiring U V W phase to com pressor Refer to 11 9 Outdoor power circuit board Replace power circuit board Replace power circuit board RP100 140V Check CN52C wiring Replace outdoor power circuit board RP35 71V Replace outdoor converter circuit board RP100 140Y Replace outdoor controller circuit board RP35 140V Check CN5 wiring on the outdoor power cir cuit board Refer to 11 9 Replace outdoor power circuit board RP100 140Y Check CN2 wiring on the outdoor power cir cuit board Refer to 11 9 Over heat protection Abnormal if outdoor pipe thermistor TH3 detects 70 C or more during compressor operation Defective outdoor fan fan motor or short cycle of out door unit during cooling opera tion Defective outdoor pipe ther mistor TH3 Defective outdoor controller board Check outdoor unit air passage Turn the power off and on again to check the error code If U4 is displayed follow the U4 processing direction Compressor overcurrent interruption When compressor locked Abnormal if overcurrent of DC bus or compressor is detected within 30 seconds after compressor starts operating Stop valve is closed Decrease of power supply voltage Looseness disconnection or converse of compressor wiring connection Defective compressor Defective outdoor power board Dip switch setting difference of outdoor controller
207. ote controllers are connected to one group one controller must be set to sub 2 Use of clock setting CLOCK Setting the use or non use of clock function 3 Timer function setting NEEKLY TIMER Setting the timer type 4 Contact number setting for error situation CALL Contac Setting the telephone number number display in case of error 4 Display change DISP MODE SETTING 1 Temperature display setting TEMP MODE C F Setting the temperature unit or F to display 2 Room air temperature display setting ROOM TEMP DISP SELECT Setting the use or non use of the display of indoor suction air temperature 3 Automatic cooling heating display setting AUTO MODE DISP C H Setting he use or non use of the display of Cooling or Heating display during operation with automatic mode Function selection flowchart Refer to next page 1 Stop the air conditioner to start remote controller function selection mode 2 Select from item1 gt 3 Select from item2 gt 4 Make the setting Details are specified in item3 gt 5 Setting completed gt 6 Change the display to the normal one End Detailed setting 4 1 CHANGE LANGUAGE setting The language that appears on the dot display can be selected Press the MENU button to change the language Japanese English GB German D S
208. ower receiver together with the receiver leg Note Recover refrigerant without spreading it in the air Photo 14 Power receiver Receiver leg Receiver leg fixing screw 120 PUHZ RP60VHA4 PUHZ RP71VHA4 OPERATING PROCEDURE PHOTOS amp ILLUSTRATION 1 Removing the service panel and top panel 1 Remove 3 service panel fixing screws 5 x 10 and slide the hook on the right downward to remove the service panel 2 Remove screws 3 for front 3 for rear 5 x 10 of the top panel and remove it Photo 1 Top panel fixing screws Top panel x pp amp PN Fan grille Service panel Grille fixing screws fixing screws 2 Removing the fan motor MF1 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 5 fan grille fixing screws 5 x 10 to detach the fan grille See Photo 1 4 Remove a nut for right handed screw of M6 to detach the propeller See Photo 2 5 Disconnect the connector CNF1 on controller circuit board in electrical parts box 6 Remove 4 fan motor fixing screws 5 x 25 to detach the fan motor See Photo 3 Photo 2 Front panel Propeller Photo 3 Fan motor MF Fan motor fixing screws Fan motor fixing screws Front panel fixing screws 3 Removing the electrical parts box 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the ind
209. panish E Russian RU Italian OQ Chinese CH French F 4 2 Function limit 1 Operation function limit setting operation lock To switch the setting press the OON OFF button nol Operation lock setting is made on all buttons other than the ON OFF button no2 Operation lock setting is made on all buttons OFF Initial setting value Operation lock setting is not made To make the operation lock setting valid on the normal screen it is necessary to press buttons Press and hold down the FILTER and ON OFF buttons at the same time for 2 seconds on the normal screen after the above setting is made 2 Use of automatic mode setting OFF When the remote controller is connected to the unit that has auto matic operation mode the following settings can be made To switch the setting press the OON OFF button ON Initial setting value The automatic mode is displayed when the operation mode is selected The automatic mode is not displayed when the operation mode is selected 3 Temperature range limit setting After this setting is made the temperature can be changed within the set range To switch the setting press the C ON OFF button LIMIT TEMP COOL The temperature range can be changed on cooling dry mode LIMIT TEMP HEAT MODE The temperature range can be changed on heating mode LIMIT TEMP AUTO MODE The temperat
210. phase 2 3 phase The ones digit Setting details Display details Defrosting switch 0 Normal 1 For high humidity Example When heat pump 3 phase and defrosting normal are set up 20 is displayed Code display Indoor pipe temperature Liquid TH2 1 Indoor 1 89 88 39 88 When the temperature is O C or less temperature are displayed by turns Indoor pipe temperature Cond Eva 5 1 Indoor 1 39 88 39 88 When the temperature is O C or less temperature are displayed by turns Indoor pipe temperature Liquid TH2 2 Indoor 2 39 88 39 88 When the temperature is 0C or less temperature are displayed by turns Indoor pipe temperature Cond Eva TH5 2 Indoor 2 39 88 39 88 When the temperature is 0C or less temperature are displayed by turns Indoor room temperature TH1 8 39 SW2 setting Display detail Explanation for display ON Indoor setting temperature 17 30 Outdoor pipe temperature 2 phase TH6 39 88 39 88 When the temperature is 0C or less and temperature are displayed by turns Outdoor ambient temperature TH7 39 88 39 88 When the temperature is 0C or less and temperature are displayed by turns Outdoor heatsink temperat
211. ples for multiple errors Overvoltage 01 Undervoltage 02 03 Undervoltage 02 Power sync signal error 08 0 L phase open error 04 PFC error 10 14 Code display DC bus voltage 180 370 RP35 140V 300 750 RP100 250Y 89 180 370 RP35 140V 300 750 RP100 250Y When it is 100V or more hundreds digit tens digit and ones digit are displayed by turns SW2 setting Display detail Explanation for display Capacity save 0 100 When air conditioner is connected to M NET and capacity save mode is demanded 0 100 is displayed When there is no setting of capacity save 100 is displayed 0 100 When the capacity is 10096 hundreds digit tens digit and ones digit are displayed by turns Example When 10096 0 5 secs 0 55 2 secs gt 00 gt Error postponement code history 2 of outdoor unit Postponement code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement Code display Error postponement code history 3 of outdoor unit Postponement code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement Code display Error code history 3 Oldest Alternate display of abnormal unit number and c
212. rear and right and left sides of the unit FOUNDATION Basically open 18 or below The position and the size of conduit hole depend on the conduit to be used 20 2 sides should be open in the right left and rear side Conduit hole Minimum installation space for outdoor unit 1 In the place where short cycle tends to occur cooling and heating capacity and power consumption might get lowered 10 Air outlet guide optional PAC SG58SG will help them improve 2 If air discharges to the wall the surface might get stained Holes for metal plate fixing screw The size of hole depends on the Screw to be used 16 mm Uni 131409 Buidid 43409 juol4 PUHZ RP60VHA4 PUHZ RP71VHA4 249 ejpueH 4614 Ajddns 7 purua Suonoeuuo peua 056 ofijeuosiq uonepuno YE 21 B S zs S9 26 59 no 110000 m seay Y 55 51
213. rror service manual 9 E4 E5 Remote controller signal receiving error 10 11 12 Indoor unit control system error memory error etc EO E3 Remote controller transmission error E1 E2 Remote controller control board error Output pattern B Errors detected by unit other than indoor unit outdoor unit etc Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp flashes Check code Symplom Remark Number of times 1 E9 Indoor outdoor unit communication error Transmitting error Outdoor unit 2 UP Compressor overcurrent interruption 3 U3 U4 Open short of outdoor unit thermistors 4 UF Compressor overcurrent interruption When compressor locked 5 U2 Abnormal high discharging temperature insufficient refrigerant For details check 6 U1 Ud Abnormal high pressure 63H operated Overheating the LED display protection operation of the outdoor 7 U5 Abnormal temperature of heatsink controller board 8 U8 Outdoor unit fan protection stop 9 U6 Compressor overcurrent interruption Abnormal of power module 10 U7 Abnormality of superheat due to low discharge temperature 11 U9 UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit Current sensor error 12 13 14 Others Other errors Refer to the technical manual for the outdoor unit 1 If the beeper does not sound a
214. rvice tool PAC SK52ST Refer to EA EC item if LED displays EA AC Check disconnecting or looseness of indoor outdoor unit connecting wire of indoor unit or outdoor unit Check all the units in case of twin triple quadruple indoor unit system Turn the power off and on again to check If abnormality generates again replace indoor controller board or outdoor controller circuit board Other indoor controller board may have defect in case of twin triple quadruple indoor unit system Turn the power off and detach fan motor from connector CNF1 2 Then turn the power on again If abnormality is not displayed replace fan motor If abnormality is displayed replace outdoor controller circuit board Check the rush current resistor on outdoor power circuit board with tester If open is detected replace the power circuit board Indoor outdoor unit communication error Transmitting error Abnormal if 1 receiving is detected 30 times continuously though indoor controller board has transmitted 0 Defective transmitting receiving circuit of indoor controller board Noise has entered into power supply G Noise has entered into outdoor control wire Turn the power off and on again to check If abnormality generates again replace indoor controller board Indoor outdoor unit communication error Signal receiving error Outdoor unit Abnormal if outdoor controller circuit boar
215. s 24 while still in check mode then press the C button 9 1 CHECK LOUVER h Select setting No 02 OFF i ESTY m Set address 02 while still in check mode then press the button MEI ser RESET Finished NO YES End function selection mode Note When you switch to function selection mode V End check mode on the wireless remote controller s operation area the unit ends function selection mode automatically if nothing is input for 10 minutes or longer Operating instructions Check the function settings Press the button twice continuously gt is lit and 00 blinks Press the temp button once to set 50 Direct the wireless remote controller toward the receiver of the indoor unit and press the Ei button Set the unit number Press the temp button to set the unit number Press 01 to specify the indoor unit whose unit number is 01 Direct the wireless remote controller toward the receiver of the indoor unit and press the button By setting unit number with the button specified indoor unit starts performing fan operation Detect which unit is assigned to which number using this function If unit number is set to AL all the indoor units in same refrigerant system start performing fan operation simultaneously unit number that cannot be recognized by the unit is entered 3 beeps of 0 4 seconds will be heard Reenter the unit number setting
216. s after temperature adjuster turns on the compressor Will not stop operating even if tem perature adjuster is turned off Compressor stops operating immediately when turning off by the remote controller Normal operation For protection of compressor 54 Normal operation Symptoms PLEASE WAIT is kept being displayed on the remote controller Diagnosis flow Inspection method and troubleshooting Check the display time of PLEASE WAIT after turning on the main power 6 minutes 2 minutes or more ow long is PLEASE WAIT or less i kept rH displayed on the d ES dd a ma emote controller playe e start up diagnosis will during the start up be over in around 2 minutes 2106 diagnosis after turning minutes on the main power Are any error codes displayed on the emote controller Check the LED display of the outdoor controller circuit board displ sed onthe e Miswiring of indoor e Refer to Self diagnosis 4 outdoor connecting action table in order to wire solve the trouble NO Breaking of indoor outdoor connecting In case of communication wire S3 errors the display of Defective indoor remote controller may not controller board match the LED display of Defective outdoor the outdoor unit controller circuit board Defective indoor controller board Defective remote controller L
217. s in Request Code 82 Outdoor unit SW10 setting information Refer to 13 2 1 Detail Contents in Request Code 83 84 M NET adapter connection presence absence ka as 85 86 87 88 89 Display of execution of replace wash operation beret DM ua 90 Outdoor unit Microprocessor version information Examples Ver 5 01 0501 Ver Auxiliary information displayed after 91 Outdoor unit Microprocessor version information sub No version information Examples Ver 5 01 A000 A000 92 93 94 95 96 97 98 99 Displays postponement code is 100 Outdoor unit Error postponement history 1 latest Code displayed if no postponement code is present f Displays postponement code is 101 Outdoor unit Error postponement history 2 previous Code displayed if no postponement code is present 3 Displays postponement code is 102 Outdoor unit Error postponement history 3 last but one Code displayed if no postponement code is present 103 8 T 9 Request content Unit Remarks 2 Display range 103 Error history 1 latest Displays error history is displayedif no history is present Code 104 Error history 2 second to last Displays error history is displayedif no histor
218. sive for R410A Can R22 tools be used R22 17 0 22 0 36 0mm for 24 0 indoor unit 27 0 of RP100 36 0 125 and 140 Can R407C tools be used Tool exclusive for R410A Tool for HFC refrigerant Refrigerant recovery equipment Refrigerant recovery Tool exclusive for R410A Refrigerant cylinder Refrigerant charge Tool exclusive for R410A Applied oil Apply to flared section Ester oil and alkylbenzene oil minimum amount Ester oil Alkylbenzene oil minimum amount Safety charger Charge valve Prevent compressor malfunction when charging refrigerant by spraying liquid refrigerant Prevent gas from blowing out when detaching charge hose Tool exclusive for R410A Tool exclusive for R410A x x x Vacuum pump Vacuum drying and air purge Tools for other refrigerants can be used if equipped with adop ter for reverse flow check A Usable if equipped with adopter for rever se flow A Usable if equipped with adopter for rever se flow Flare tool Flaring work of piping Tools for other refrigerants can be used by adjusting flaring dimension A Usable by adjusting flaring dimension A Usable by adjusting flaring dimension Bender Bend the pipes Tools for other refrigerants can be used Pipe cutter Cut the pipes Tools for other refrigerants can be used Welder and nitrogen gas cylinder Weld the pipes Tools for other refri
219. speed Only for air conditioners with DC fan fan type 124 125 LEV A opening at time of error 0 500 Pulses 126 LEV B opening at time of error 0 500 Pulses 127 128 129 130 Thermostat ON time until operation stops due to error 0 999 Minutes 131 132 Indoor Liquid pipe temperature at time of error 39 88 Average value of all indoor units is displayed if the air condi tioner consists of 2 or more indoor units twin triple quad 133 Indoor Cond Eva pipe temperature at time of error 39 88 erage value oral ingoor units isp ayd air tioner consists of 2 or more indoor units twin triple quad 134 Indoor arime of error 39 88 c Intake air temperature Thermostat judge temperature 135 136 137 138 139 140 146 147 148 149 150 Indoor Actual intake air temperature 39 88 iC 151 Indoor Liquid pipe temperature 39 88 je 152 Indoor Cond Eva pipe temperature 39 88 104 o 2 Description Request content Unit Remarks 2 Display range ra 153 Indoor Fan operating time 154 ip sp de 0 9999 1 hour After filter is reset Indoor Total operating time 155 4 gt 0 9999 10 hours Fan motor ON time 156 157 Indoor fan output value Sj value 0 255 Fan control data For indoor fan phase control Indoor fan output
220. ss and temperature are displayed by turns When there is no indoor unit 00 is displayed 92 SW setting Display detail Explanation for display Controlling status of compressor operating frequency The following code will be a help to know the operating status of unit The tens digit Compressor operating frequency control Primary current control Secondary current control The ones digit In this digit the total number of activated control is displayed Compressor operating frequency control Preventive control for excessive temp erature rise of discharge temperature Preventive control for excessive temp erature rise of condensing temperature Frosting preventing control Preventive control for excessive temp erature rise of heatsink Example The following controls are activated Primary current control Preventive control for excessive tempe rature rise of condensing temperature Preventive control for excessive tempe rature rise of heatsink Code display Comp shell temperature TH32 3 217 93 3 217 When the comp shell thermistor detects 100 C or more hundreds digit tens digit and ones digit are displayed by turns Example When 105 C 0 5 secs 0 5secs 2 secs 1 gt 05 12 FUNCTION SETTING 12 1 UNIT FUNCTION SETTIN
221. ssor in operation mode or when the outdoor unit ends DEFROST operation and returns to HEAT operation The display will automatically disappear around 10 minutes later While STANDBY is displayed on the remote controller the airflow amount will be restricted because the indoor unit s heat exchanger is not fully heated up In addition to that the up down vane will be automatically set to horizontal blow in order to prevent cold air from directly blowing out to human body The up down vane will return to the setting specified by the remote controller when STANDBY is released DEFROST is displayed on the screen No air comes out of the unit The outdoor unit gets frosted when the outside temperature is low and the humidity is high DEFROST indicates the DEFROST operation is being performed to melt this frost The DEFROST operation ends in around 10 minutes at most 15 minutes During the DEFROST operation the indoor unit s heat exchanger becomes cold so the fan is stopped The up down vane will be automatically set to horizontal blow in order to prevent cold air from directly blowing out to human body The display will turn into STANDBY when DEFROST operation ends Phone Calls From Customers How to Respond The room cannot be cooled or heated sufficiently Check the set temperature of remote controller The outdoor unit cannot be operated if the set temperature is
222. switch 5b Recover refrigerant 6 Remove the welded part of high pressure switch Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the high pressure switch cover it with a wet cloth to prevent it from heating 100 C or more then braze the pipes so that the inside of pipes are not oxidized 11 Removing the reactor DCL 1 Remove the service panel See Photo 1 Photo 9 PUHZ RP140VKA Reactor LEV coil vi I High pressure 1 Switch 63H a A 14 KIA n m 4 way valve 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel See Photo 4 4 Remove 4 back cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box See Photo 4 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 8 Remove 3 separator fixing screws 4 x 10 and remove the separator 9 Recover refrigerant 10 Remove the 3 points of the motor for compressor fixing nut using a spanner or a adjustable wrench 11 Remove the welded pipe of motor for co
223. t door unit indoor unit FRESH MASTER or LOSSNAY are done or polarity is changed with the power on and trans mission data collide each other Defective transmitting receiving circuit of transmission processor Transmission data is changed by the noise on transmission If the works of transmission wire is done with the power on shut off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more and turn the power on again Check transmission waveform or noise on transmission wire BUS BUSY 1 Overtime error by collision damage Abnormal if transmitting is not possible for 8 10 minutes continuously because of collision of transmission Data could not reach transmission wire for 8 10 minutes continuously because of noise or etc Note The address and attribute displayed at remote controller indicate the con troller that detected abnormality Transmission processor could not transmit signal because short cycle voltage of noise and the like have entered into transmission wire continuously Transmission quantity has increased and transmission is not possible because there was wiring mistake of terminal block for transmission wire TB3 and terminal block for central con trol TB7 in outdoor unit Transmission are mixed with others and occupation rate on transmission wire rose because of defective repeater a function to connector or dis
224. t Emergency Operation gt MF1 MF2 Fan Motor P2 Connection Terminal CN51 Connector Connection for Option 2184 Solenoid Valve Four Way Valve N2 Connection Terminal SS Connector lt Connection for Option 63H High Pressure Switch DCL1 DCL2 Connection Terminal lt Reactor gt CNM Connector A Control Service Inspection Kit TH3 TH33 Thermistor Outdoor Pipe IGBT Power Module CNMNT Connector TH4 Thermistor lt Discharge gt E1 E2 E3 E4 Connection Terminal lt Ground gt lt Connected to Optional M NET Adapter Board gt TH6 Thermistor lt Outdoor 2 Phase Pipe gt C B Controller Circuit Board CNVMNT Connector TH7 Thermistor lt Outdoor gt 91 1 Switch Forced Defrost Defect History Record Connected to Optional M NET Adapter Board TH32 Thermistor lt Shell gt Reset Refrigerant Address gt CNDM Connector LEVA LEV B Electronic Expansion Valve SW4 Switch lt Test Operation gt lt Connected for Option Contact Input gt DCL Reactor SW5 Switch lt Function Switch gt LED1 LED2 LED lt Operation Inspection Indicators gt Main Smoothing Capacitor SW6 Switch Model Select Fi F4 Fuse lt T6 3AL250V gt CY1 CY2 Capacitor SW7 Switch lt Function Setup gt X51 X52 Relay PB Power Circuit Board SW8 Switch lt Function Setup gt UNMW Connection Terminal lt U V W Phase gt SWI Switch RP140 only ECC When M NET adapter is connected 63H LEVA Leg M i 9 CN5 TH33 TH32 TH7 TH4 reg M o WHT SW C B P 3
225. t and ones digit are displayed by turns Example When 150 C 0 5 secs 0 55 2 secs gt 50 gt Sub cool on error occurring SC 0 130 Cooling TH6 TH3 Heating TH5 TH2 0 130 When the temperature is 100 C or more hundreds digit tens digit and ones digit are displayed by turns Example When 115 C 0 5 secs 0 5secs 2 secs 1 gt 15 gt Thermo on time until error stops 0 999 0 999 When it is 100 minutes or more hundreds digit tens digit and ones digit are displayed by turns Example When 415 minutes 0 5 secs O 5secs 2 secs 4 15 gt Minute Indoor pipe temperature Liquid TH2 3 Indoor 3 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Indoor pipe temperature Cond Eva THS 3 Indoor 3 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns When there is no indoor unit 00 is displayed Indoor pipe temperature Liquid TH2 4 Indoor 4 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Indoor pipe temperature Cond Eva THS 4 Indoor 4 39 88 39 88 When the temperature is 0 C or le
226. t is completely eliminated by chargeless system This unique system improves the quality and reli ability of the work done It also helps to speed up the installation time REFRIGERANT LEAKAGE DETECTION FUNCTION except for RP200 250 PUHZ RP35 140 can detect refrigerant leakage which may happen during a long period of use 5 SPECIFICATIONS Service Ref PUHZ RP35VHA4 PUHZ RP50VHA4 Mode Cooling Heating Cooling Heating Power supply phase cycle voltage Single 50Hz 230V Max current External finish Munsell 3Y 7 8 1 1 Refrigerant control Linear Expansion Valve Compressor Hermetic Model SNB130FGCH Motor output Starter type Inverter Protection devices HP switch Comp shell thermo Discharge thermo Crankcase heater Heat exchanger Plate fin coil Fan Fan drive x No Propeller fan x 1 Fan motor output kW 0 040 Airflow m min CFM 35 1 240 OUTDOOR UNIT Defrost method Reverse cycle Noise level Cooling dB 44 Heating dB 46 Dimensions 800 31 1 2 D mm in 300 23 11 13 16 7 8 H mm in 600 23 5 8 Weight kg Ibs 42 93 Refrigerant R410A Charge kg Ibs 2 5 5 5 Oil Model L 0 45 NEO22 Pipe size O D Liquid mmi in 6 35 1 4 Gas mm in 12 7 1 2 Connection method
227. t set on emergency operation connector CN31 the setting remains OFF 70 5 Operation data during emergency operation During emergency operation no communication is performed with the indoor unit so the data items needed for operation are set to the following values Operation mode Operation data Remarks COOL HEAT Intake temperature TH1 27C 20 5 Indoor pipe temperature TH2 5C 45C Indoor 2 phase pipe temperature TH5 5C 50C Set temperature 25 22 C Outdoor pipe temperature TH3 45 C 5 Outdoor discharge pipe temperature 80 C 80 C Outdoor 2 phase pipe temperature TH6 50C 5C Outdoor ambient temperature TH7 35 7 Temperature difference code 5 5 room temperature set temperature Discharge superheat SHd 30deg Sub cool SC 5deg x1 If the thermistor temperature data is normal not open short that data is loaded into the control as valid data When the unit enters emergency operation and TH values are mismatched set the thermistors to open short And the unit runs emergency operation with the values listed above X2 If one thermistor is set to open short the values for SHd SC will be different from the list above Example When liquid temperature thermistor TH3 has an open or short circuit Thermistor TH3 Tb TH6 Regard normal figure as effective data Tc Td Regard
228. t stabilized after 30 minutes or more have elapsed carry out inspection n heat mode the operation state may vary due to frost forming on the outdoor heat exchanger Heat mode Cool mode 45 OUR E d a 40 Inspection C 35 7 a w Normal pg a a yy o a a MIndoor intake air temperature Indoor heat exchanger temperature 8 Indoor heat exchanger temperature Indoor intake air temperature 20 30 40 50 60 70 80 C 0 10 20 30 40 50 60 70 80 C Discharge temperature Indoor heat exchanger temperature Discharge temperature Outdoor heat exchanger temperature 14 3 INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION except RP200 250 m Remote controller button position 4 MITSUBISHI ELECTRIC This air conditioner Outdoor unit can detect refrigerant leakage which may happen during a long period of use In order to enable ie 34 the leakage detection the following settings are required to let the BB unit memorize the initial condition initial refregerant amount van Caution OEE x Make sure to perform the test run and confirm the unit works Ur MENU OONO without any problems before starting the following set
229. tatic pressure Filter sign 100h 35Pa Mode No 10 Initial setting Factory setting 2500h No filter sign indicator External static pressure 35 50 70 100 150Pa Refer to the right table External static pressure 35 50 70 100 150Pa Refer to the right table Set temperature in heating mode 4 deg up Fan speed during the heating thermo OFF Available Not available Extra low Stop Set fan speed Fan speed during the cooling thermo OFF Set fan speed Stop Detection of abnormality Available of the pipe Not available 2 95 12 1 1 Selecting functions using the wired remote controller First try to familiarize yourself with the flow of the function selection procedure In this section an example of setting the room temperature detection position is given For actual operations refer to steps to Setting number Refrigerant address Unit number Mode number MITSUBISHI ELECTRIC 88 86 e 858 gt el ON OFF e i s B EDS C FILTER EROKC DIE DAYS mmm mca Modes 01 to 14 can be activated CAD VC 2 Oo by pressing buttons and K PAR 21MAA ecLock V OPERATION A CLEAR simultaneously and modes 1510 6 28 by pressing buttons and O d
230. tdoor unit communication error power supply transmitting error i detected Ey Indoor GCheck if noise entered into indoor outdoor controller board Indoor outdoor unit communication error Re check error by turning off power and on again signal receiving error is detected by outdoor unit Indoor outdoor unit communication error transmitting error is detected by outdoor unit 3 blinking Remote controller signal receiving Check if connecting wire of indoor unit or remote controller error is detected by remote controller is connected correctly Remote controller transmitting error Check if noise entered into transmission wire of remote is detected by remote controller controller GRe check error by turning off power and on again Remote controller signal receiving error is detected by indoor unit Remote controller transmitting error is detected by indoor unit 4 blinking Error code is not defined Check if remote controller is MA remote controller PAR 21MAA Check if noise entered into transmission wire of remote controller Check if noise entered into indoor outdoor connecting wire Re check error by turning off power and on again 5 blinking Seral gomm nication error M Check if connector on outdoor controller board and Sontroller boardand outdoor power outdoor power board is not disconnected uo if there is poor connection of connector on outdoor sontoll
231. temperature range can be changed on cooling dry mode QOL MODE 11 The temperature range be changed heating mode UTO MODE Automatic filter elevation panel up down operation mode Not necessary to set this mode Refer to OPERATION MANUAL of Optional Parts Panel for details on operation Fixed air flow direction mode Not necessary to set this mode Refer to OPERATION MANUAL of indoor unit for details on operation CHTROLLER CHTROLLE The remote controller will be the main controller Initial setting value The remote controller will be the sub controller TEMP The temperature range can be changed on automatic mode ODE ELECTION The clock function can be used Initial setting value The clock function cannot be used Weekly timer can be used Initial setting value Auto off timer can be used Simple timer can be used IMER IMER mr Timer mode cannot be used LN OFF The set contact numbers are not displayed in case of error Initial setting value The set contact numbers are displayed in case of error DISF MODE MODE The temperature unit is used Initial setting value BETTING TO OF The temperature unit F is used Room air temperature is
232. the main power again Not displayed Is anything displayed Displayed Is EA or Eb NO displayed Is E8 displayed NO Can the unit be restarted an all the indoor unit be operated Check the voltage between S2 and S3 on the terminal block of the outdoor unit NO DC 17V to DC 28V YES Breaking or poor contact of the indoor outdoor connecting wire Normal Only the unit which has the refrigerant address 0 supplies power to the remote controller Defective outdoor controller circuit board Defective outdoor controller circuit board Defective indoor controller board Influence of electromagnetic noise Defective outdoor power circuit board Defective indoor power board Fix the breaking or poor contact of the indoor outdoor connecting wire Set the refrigerant address to 0 In case of the multiple grouping System recheck the refrigerant address again Replace the outdoor controller circuit board Replace the outdoor controller circuit board Replace the indoor controller board of the indoor unit which doesn t operate Not abnormal There may be the influence of electromagnetic noise Check the transmission wire and get rid of the causes Replace the outdoor power circuit board Replace the indoor power board Symptoms Nothing is displayed on t
233. the power receiver 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel See Photo 4 4 Remove 2 back cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box See Photo 4 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 8 Recover refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10 Remove 2 receiver leg fixing screws 4 x 10 Note Recover refrigerant without spreading it in the air 125 Photo 11 Receiver leg fixing screws Power receiver leg PUHZ RP100VKA PUHZ RP125VKA _ PUHZ RP140VKA OPERATING PROCEDURE PHOTOS amp ILLUSTRATION 1 Removing the service panel and top panel Photo 1 Top panel fixing screws pr panel 1 Remove 3 service panel fixing screws 5 x 10 and slide the hook on the right downward to remove the service panel 2 Remove screws 3 for front 3 for rear 5 x 10 of the top Grille fixin panel and remove it Grille fixing screws Service panel fixing screws Cover panel fixing screws 2 Removing the fan motor MF1 MF2 Photo 2 Photo 3 1 Remove t
234. the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 4 Remove 3 reactor fixing screws 4 x 16 and remove the reactor The reactor is attached to the rear of the electrical parts box Photo 9 Reactor fixing screw Electrical parts box Reactor fixing screws 124 OPERATING PROCEDURE PHOTOS 12 Removing the compressor MC 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel See Photo 4 4 Remove 2 back cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box See Photo 4 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 and then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 8 Remove 3 separator fixing screws 4 x 10 and remove the separator 9 Recover refrigerant 10 Remove the 3 points of the compressor fixing nut using a spanner or a adjustable wrench 11 Remove the welded pipe of compressor inlet and outlet then remove the compressor Note Recover refrigerant without spreading it in the air Photo 10 Valve bed Valve bed fixing screw Separator Compressor Separator fixing screw Power 13 Removing
235. the transformer or other device Caution Be sure to install N Line Without N Line it could cause damage to the unit Notes 1 Wiring size must comply with the applicable local and national code Warning 2 Power supply cables and Indoor Outdoor unit connecting cables shall not be lighter than polychloroprene sheathed flexible cable Design 60245 IEC 57 3 Install an earth longer than other cables Power supply Isolator 3 poles isolator 51 51 A Control 2 S2 A Control Outdoor Unit Indoor Unit S3 53 In case of A control wiring there is high voltage potential on the S3 terminal caused by electrical circuit design that has no electrical insulation between power line and communication signal line Therefore please turn off the main power supply when servicing And do not touch the S1 S2 S3 terminals when the power is energized If isolator should be used between indoor unit and outdoor unit please use 3 pole type 1 1 system Electrical wiring Synchronized twin and triple system Electrical wiring Synchronized twin 4 75 E Outdoor Indoor Outdoor Indoor Indoor 1771 unit _ unit unit unit unit Tot 2209 i 19 5
236. thod 27 If the indoor and outdoor units have separate power supplies change the connections of the connectors as shown in the following figure Electric heater For models with heater Connectors HA 9m Qa ORANGE Indoor unit St 52 SY control board Separate indoor unit outdoor unit power supplies Indoor unit model HP35 140 Indoor unit power supply N single 50 Hz 230 V Indoor unit input capacity 16A Main switch Breaker Indoor unit power supply 2xMin 1 5 Indoor unit power supply earth 1 1 5 Indoor unit Outdoor unit 2x Min 0 3 Indoor unit Outdoor unit earth Remote controller Indoor unit 2 x 0 3 Non polar Indoor unit L N AC 230 V Indoor unit Outdoor unit S1 S2 Indoor unit Outdoor unit 52 53 DC24 V Remote controller Indoor unit DC12V 1 A breaker with at least 3 mm contact separation in each pole shall be provided Use earth leakage breaker NV The breaker shall be provided to ensure disconnection of all active phase conductor of the supply 2 Max 120 m 3 The 10 m wire is attached in the remote controller accessory Max 500 m 4 The figures are NOT always against the ground E o N D oi e Circui rating Notes 1 Wiring size must comply with the applicable local and national code 2 Power supply cables and indoor unit outdoor unit connecting cables sh
237. ting ee ce gt S For more precise detection make sure to set the airflow at ED GD GD E High notch before enabling this setting PAR 21MAA CLEAR Display amp 1 How to select the Refrigerant Leakage Detection mode Refrigerant leakage detection gt Refrigerant leakage Detection is possible regardless the unit s operation ON or OFF initial teaching detection judgement Press button for more than 3 seconds to switch to GAS LEAK GAS LEAK EASY MAINTENANCE mode Display TEST START JUDGE 2 How to start the initial learning Press CLOCK button and select the GAS LEAK TEST START The initial learning for the leakage detection is always done once after the new installation or the data reset Display Waiting for stabilization gt stabilized After 45 minutes GPress button to confirm How to finish the initial learning Once the unit s operation is stabilized the initial learning is completed Press button for more than 3 seconds to cancel the initial leaning The initial learning can also be cancelled by pressing button 114 3 How to start Judgment of refrigerant leakage mode To know the current condition of refrigerant amount same operation must be performed Please repeat the same procedure as when Initial learning operation for Checking operation GPress CLOCK Cv button and select the GAS L
238. to 1 Top panel fixing screws P panel Grille fixing screws Grille fixing Screws Service panel fixing screws Cover panel fixing screws 2 Removing the fan motor MF1 MF2 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 4 fan grille fixing screws 5 x 10 to detach the fan grille See Photo 1 4 Remove a nut for right handed screw of M6 to detach the propeller See Photo 2 5 Disconnect the connectors CNF1 CNF2 on controller circuit board in electrical parts box 6 Remove 4 fan motor fixing screws 5 x 20 to detach the fan motor See Photo 3 Photo 2 Front panel Photo 3 Fan motor fixing screws Fan motor Propeller Fan motor fixing screws 3 Removing the electrical parts box 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the indoor outdoor connecting wire and power supply wire from terminal block 4 Disconnect the connectors on the controller circuit board 5 Remove the terminal cover and disconnect the compressor lead wire 6 Remove 2 electrical parts box fixing screws 4 x 10 and detach the electrical parts box by pulling it upward The electrical parts box is fixed with 2 hooks on the left and 1 hook on the right Photo 4 Controller circuit board C B A Electrical parts box Electrical parts box fixing screws Noise filt
239. topped by thermostat or when the outdoor unit gets started to operate 3 During DEFROST operation The airflow direction will be back to the setting of remote controller when the above situations are released STANDBY will be displayed on the remote controller in case of and DEFROSTING will be displayed on the screen in case of The airflow direction does not change Up down vane left right louver 1 Check if the vane is set to a fixed position Check if the vane motor connector is removed 2 Check if the air conditioner has a function for switching the air direction 3 If the air conditioner doesn t have that function NOT AVAILABLE will be displayed on the remote controller when AIR DIRECTION or LOUVER button is pressed The air conditioner starts operating even though any buttons on the remote controller are not pressed Check if you set ON OFF timer The air conditioner starts operating at the time designated if ON timer has been set before Q Check if any operations are ordered by distant control system or the central remote controller While CENTRALLY CONTROLLED INDICATOR is displayed on the remote controller the air conditioner is under the control of external directive There might be a case that CENTRALLY CONTROLLED INDICATOR will not be displayed Check if power is recovered from power failure black out The units will automatica
240. tor RS RP100 250Y Defective outdoor controller circuit board Check following items a Power supply breaker b Connection of power supply terminal block TB1 Connection of power supply terminal block TB1 Q Check following items a Connection of power supply terminal block TB1 b Connection of terminal on outdoor power circuit board G Check connection of the connector CNDC on the outdoor controller circuit board Check connection of the connector LD1 and LD2 for RP35 71V and CNDC for RP100 250 on the outdoor power circuit board V noise filter Y Refer to 11 9 Check connection of reactor DCL or ACL RP35 71V Check connection of LO and on the outdoor noise filter circuit board Check connection of R and S on the outdoor power circuit board Refer to 11 9 a Check connection of outdoor noise filter circuit board b Replace outdoor noise filter circuit board Refer to 11 9 Replace outdoor power circuit board C Replace rush current protect resistor RS Power circuit board might be short circuit Check the power circuit board Refer to 11 9 Replace controller board When items above are checked but the units can not be repaired 63H connector open Abnormal if 63H connector circuit is open for 3 minutes continuously after power sup ply 63H High pressure switch Disconnection or contact failure of 63H connector on outdoor contr
241. trolling by the wireless remote controller no beep is heard and the unit does not start operat ing Operation display is indicated on wireless remote controller The pair number settings of the wireless remote controller and indoor controller board are mismatched Check the pair number settings 5 When operating by the wireless remote controller beep sound is heard however unit does not start operating CDNo operation for 2 minutes at most after the power supply ON Local remote controller operation is prohibited Remote controlling adaptor is connected to CN32 on the indoor controller board Local remote controller operation is prohibited by centralised controller etc since it is connected to MELANS GPhenomena of No 2 Normal operation Normal operation Check the phenomena No 2 Remote controller display works normally and the unit performs cool ing operation however the capacity cannot be fully obtained The air does not cool well Refrigerant shortage Filter clogging GHeat exchanger clogging duct short cycle If refrigerant leaks discharging tempera ture rises and LEV opening increases Inspect leakage by checking the tem perature and opening Check pipe connections for gas leakage GOpen intake grille and check the filter Clean the filter by removing dirt or dust on it e If the filter is clogged indoor pipe tem perature rises and discharging pressure incr
242. tting and flare nut The component molecules in HFC refrigerant are smaller compared to conventional refrigerants In addition to that R410A is a refrigerant which has higher risk of leakage because its working pressure is higher than that of other refriger ants Therefore to enhance airtightness and intensity flare cutting dimension of copper pipe for R410A has been speci fied separately from the dimensions for other refrigerants as shown below The dimension B of flare nut for R410A also has partly been changed to increase intensity as shown below Set copper pipe correctly referring to copper pipe flaring dimensions for R410A below For 1 2 and 5 8 inch the dimension B changes Use torque wrench corresponding to each dimension es 7777777777277773 BR Je 4 Flare cutting dimensions Nominal Outside dimensions inch diameter Dimension 21 5 EN y NG Dimension B Flare nut dimensions Nominal R410A R22 dimensions inch Outside Dimension B diameter R410A 1 4 9 1 9 0 17 0 3 8 13 2 13 0 22 0 1 2 16 6 16 2 26 0 5 8 19 7 19 4 29 0 3 4 23 3 9 Tools for R410A The following table shows whether conventional tools be used or Tools and materials Gauge manifold Charge hose Gas leak detector Use Air purge refrigerant charge and operation check Gas leak check R410A tools Tool exclu
243. ure TH8 40 200 40 200 When the temperature is 0C or less and temperature are displayed by turns When the thermistor detects 100 C or more hundreds digit tens digit and ones digit are displayed by turns Discharge superheat SHd 0 255 Cooling TH4 TH6 Heating TH4 TH5 0 255 When the temperature is 100 C or more hundreds digit tens digit and ones digit are displayed by turns Sub cool SC 0 130 Cooling 6 Heating TH5 TH2 07130 When the temperature is 100 C or more hundreds digit tens digit and ones digit are displayed by turns Input current of outdoor unit 0 500 When it is 100 or more hundreds digit tens digit and ones digit are displayed by turns LEV B opening pulse 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns U9 Error status during the Error postponement period Description Detection point Display Normal 00 Overvoltage error Power circuit board 01 Undervoltage error Controller circuit board 02 Input current sensor error L phase open error Abnormal power synchronous signal PFC error RP35 71 Overvoltage Undervoltage Overcurrent PFC IGBT error RP35 140V Undervoltage Controller circuit board 04 Power circuit board 08 Power circuit board 10 Defective P B 20 Display exam
244. ure range can be changed on automatic mode OFF initial setting The temperature range limit is not active When the setting other than OFF is made the temperature range limit setting on cooling heating and automatic mode is made at the same time However the range cannot be limited when the set temperature range has not changed To increase or decrease the temperature press the TEMP V or AN button To switch the upper limit setting and the lower limit setting press the 4 1 button The selected setting will flash and the temperature can be set Settable range Cooling Dry mode Lower limit 19 30 C Upper limit 30 19 C Heating mode Lower limit 17 28 C Upper limit 28 17 C Automatic mode Lower limit 19 28 C Upper limit 28 19 C 99 4 3 Mode selection setting 1 Remote controller main sub setting To switch the setting press the ON OFF button Main The controller will be the main controller Sub The controller will be the sub controller 2 Use of clock setting To switch the setting press the C ON OFF button ON The clock function can be used OFF The clock function cannot be used switch the setting press the ON OFF button Choose of the followings WEEKLY TIMER initial setting The weekly timer can be used AUTO OFF TIMER The auto off timer can be used SIMPLE TIMER The simple timer
245. use this may cause a malfunction 2288 x ando Group m remote controller Power supply unit for transmission wire A control remote controller MERE A control remote controller N address 02 ui E Ano sess NOSE Ss Refrigerant Refrigerant Refrigerant address 00 address 00 address 00 M NET M NET M NET address 01 Nt address 03 zx A control remote controller It would be OK if M NET wire non polar 2 cores is arranged in addition to the wiring for A control 4 Earth only one of any appliances through M NET transmission wire shield wire Communication error may occur due to the influence of electromagnetic noise Ed error will appear on the LED display of outdoor unit 0403 error will appear on the central control remote controller x Bad example Multi spot earthing of shield wire Central remote controller Power supply appliance M NET type outdoor unit M NET type outdoor unit M NET type outdoor unit ES NN M NET transmission wire O Good example 1 Single spot earthing of shield wire Central remote controller Power supply appliance M NET type outdoor M NET type outdoor M NET type outdoor uhi E NN M NET transmission wire O Good example 2 Single spot earthing of shield wire Central remote control
246. utdoor unit 2 3 1 5 Polar 3 x 1 5 Polar 3 x 1 5 Polar 3 x 1 5 Polar 3 x 1 5 Polar gt ER Indoor unit Outdoor unit earth 2 1x Min 1 5 1x Min 1 5 1 x Min 1 5 1 x Min 1 5 1x Min 1 5 1x Min 2 5 Remote controller Indoor unit 8 2x 0 3 Non polar 2 x 0 3 Non polar 2 x 0 3 Non polar 2 x 0 3 Non polar 2 x 0 3 Non polar 2 x 0 3 Non polar c Outdoor unit L N single Outdoor unit L1 N L2 N L3 N 3 phase 4 AC 230 V AC 230 V AC 230 V AC 230 V AC 230 V AC 230 V Indoor unit Outdoor unit 81 52 4 AC 230 V AC 230 V AC 230 V AC 230 V AC 230 V AC 230 V amp Indoor unit Outdoor unit 52 53 4 DC 24 V DC 24 V DC24V DC24V DC 24V DC 24V 9 Remote controller Indoor unit 4 DC 12V DC 12V DC 12V DC 12V DC 12V DC 12V 1 Abreaker with at least 3 0 mm contact separation in each poles shall be provided Use earth leakage breaker NV 2 RP35 140 Max 45 m If 2 5 mm used Max 50 m 52 4 If 2 5 mm used and S3 separated 80 81 22 3 20 RP200 250 Max 80 m Total Max including all indoor indoor connection is 80 m Use one cable for 1 and S2 and another for S3 as shown in the picture Max 50 m Total Max for PEA Wiring size 3 x 1 5 Polar 3 The 10 m wire is attached in the remote controller accessory 4 The figures are NOT always against the ground S3 terminal has DC 24 V against S2 terminal However between S3 and S1 these terminals are NOT electrically insulated by
247. ve Error Code Abnormal points and detection method Case Judgment and action NO ACK signal 1 Transmitting side controller detects abnormal if a message was transmitted but there is no reply ACK that a mes sage was received Transmitting side detects abnormality every 30 seconds 6 times continuously Note The address and attribute displayed at remote controller indicate the con troller that did not reply ACK Common factor that has no rela tion with abnormality source The unit of former address does not exist as address Switch has changed while the unit was energized Q Extinction of transmission wire voltage and signal is caused by over range transmission wire Maximum distance 200m Remote controller line 12m Q Extinction of transmission wire voltage and signal is caused by type unmatched transmis sion wire With shield wire CVVS CPEVS With normal wire no shield VCTF VCTFK CVV CVS VVR VVF Diameter 1 25mm or more Extinction of transmission wire voltage and signal is caused by over numbered units Accidental malfunction of abnormality detected controller noise thunder surge Defective of abnormality gen erated controller 2 If displayed address or attribute is out door unit indoor unit detects abnormality when indoor unit transmits signal to out door unit and there was no reply ACK Q Contact failure of transmission wire of outd
248. wiring of remote controller Defective transmitting receiving circuit of remote controller Defective transmitting receiv ing circuit of indoor controller board of refrigerant address 0 Noise has entered into the transmission wire of remote controller Check disconnection or looseness of indoor unit or transmission wire of remote controller Set one of the remote controllers main if there is no problem with the action above Check wiring of remote controller Total wiring length max 500m Do not use cable x 3 or more The number of connecting indoor units max 16 units The number of connecting remote control ler max 2 units When it is not the above mentioned problem of O Diagnose remote controllers a When RC is displayed remote con trollers have no problem Turn the power off and on again to check If abnormality generates again replace indoor controller board b When RC is displayed replace remote controller When RC or ERC 00 66 is dis played noise may be causing abnormality If the unit is not normal after replacing indoor con troller board in group control indoor controller board of address 0 may be abnormal Error Code Abnormal points and detection method Case Judgment and action Remote controller control board Abnormal if data cannot be normally read from the nonvolatile memory of th
249. y is present Code 105 Error history 3 third to last Displays error history is displayedif no history is present Code 3 TH3 Abnormal thermistor display SIS 106 THs TH6 THZ THB LE Sensor 8 8 number 0 No thermistor error 107 Operation mode at time of error Displayed in the same way as request code 0 108 Compressor Operating current at time of error 0 50 A 109 Compressor Accumulated operating time at time of error 0 9999 10 hours 110 Compressor Number of operation times at time of error 0 9999 100 times 111 Discharge temperature at time of error 3 217 112 Outdoor unit Liquid pipe 1 temperature TH3 at time of error 40 90 113 Outdoor unit Liquid pipe 2 temperature at time of error 40 90 114 Outdoor unit 2 phase pipe temperature TH6 attimeoferror 39 88 115 116 Outdoor unit Outside air temperature TH7 attime of error 39 88 117 Outdoor unit Heatsink temperature TH8 attime of error 40 200 118 Discharge superheat SHd at time of error 0 255 119 Sub cool SC at time of error 0 130 120 Compressor Operating frequency at time of error 0 255 Hz 121 Outdoor unit at of error 0 10 Step Fan output step 122 Outdoor unit at time of 4 0 9999 fpi Fan 1 speed Only for air conditioners with DC fan 123 Outdoor unit at time of error 4 0 9999 O is displayed if the air conditioner is a single Fan 2
250. z lt i i i lt f 20 APPROXIMATE i f 20 APPROXIMATE ul THRESHOLDOF gt ul THRESHOLD OF gt HEARING FOR gt gt HEARING FOR JNC 20 CONTINUOUS lt CONTINUOUS o NOISE i o NOISE i i i E 10 10 T T t 63 125 250 500 1000 2000 40 BAND CENTER FREQUENCIES Hz 00 8000 11 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz PUHZ RP140VKA MODE SPL dB LINE COOLING 50 o o PUHZ RP140YKA cin _ 90 L S i t 2 Ye 4 as id 3E id F t N L T L 8 OE E i t F i RY i a B E E L m 70 MOM 1 4 I 1 NC 70 i decr ME GS d 9 uw WEM cc mE A 1 60 ONE Qo NN MC x Dee cem wW 50 5 T ia 2 1 2 1 40 lt gt a F 1 a 2 tT 5 30 a AES T E t 1 I 1 amp zo emo P S m 7E HEARING FOR M d x J i NC 20 amp CONTINUOUS 4 fli NOISE 1 I i 1 F O 10 pup E eec du 2 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz PUHZ RP250YKA MODE SPL dB LINE COOLING 58 o o HEATING 59 oe

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