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SERVICE MANUAL - mitsubishitech.co.uk

1. 19 9 REFRIGERANT SYSTEM DIAGRAM PCA RP50GA PCA RP50GA2 PCA RP60GA PCA RP71GA PCA RP100GA PCA RP125GA PCA RP140GA PCA RP50GA 1 PCA RP50GA2 1 PCA RP60GA 1 PCA RP71GA 1 PCA RP100GA 1 PCA RP125GA 1 PCA RP140GA 1 PCH P50GAH PCH P60GAH PCH P71GAH PCH P100GAH PCH P125GAH PCH P140GAH Strainer 50 Heat exchanger Refrigerant GAS pipe connection Flare Condenser evaporator temperature thermistor TH5 Refrigerant flow in cooling Refrigerant flow in heating Refrigerant LIQUID pipe connection Flare 1 Pipe temperature Room temperature thermistor liquid thermistor TH1 TH2 Distributor Sainer with strainer 50 20 10 TROUBLESHOOTING 10 1 TROUBLESHOOTING lt Error code display by self diagnosis and actions to be taken for service summary gt Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit Actions to be taken for service and the trouble reoccurrence at field are summarized in the table below Check the contents below before investigating details Unit conditions at service Error code Actions to be taken for service summary Displayed The trouble 1 reoccurring Judge what is wrong and take a corrective action according to SELF DIAGNOSIS ACTION TABLE 10 2 Not display
2. PCA RP50GA2 NOTCH SPL dB LINE PCA RP50GA2 1 edema PCA RP60 71 GA Medium2 39 e PCA RP60 71GA 1 Low 37 PCH P60 71GAH 90 2 80 60 50 5 30 20 APPROXIMATE 3 Peel i 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz PCA RP125GA NOTCH SPL dB LINE High 46 PCA RP125GA 1 EET PCH P125GAH Medium2 43 Low 41 90 80 5 8 8 70 a e 60 50 7 9 2 40 2 9 a E 8 30 2 2 j I 8 20 maoo X NOISE 4 is 10 i 1 E i 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz PCA RP140GA NOTCH SPL dB LINE High 48 o o PCA RP140GA 1 46 PCH P140GAH 2 44 Low 42 90 80 ES 8 70 a e 60 d E amp 50 9 2 40 9 5 a 30 z ele e 8 E mmeo EC ES E Poia NOISE E i 10 E 1 E i C 63 125 250 500 1000 2000 4000 800
3. Screw electrical cover Electrical cover Screw electrical box Photo 1 Fan motor capacitor Power ard Terminal Terminal block Terminal block remote control block Indoor outdoor Electric heater connecting line OPERATING PROCEDURE PHOTOS amp ILLUSTRATIONS 3 Removing the fan motor Remove the intake grille See the figure 1 Disconnect the fan motor connector Remove screws for removing the motor guard Remove screws for removing the fan guard Remove the screw for removing the motor support at both left and right side 6 Loosen the set screws at the fan motor side of the con necting joint 7 Slide the fan motor to the left side and pull it out 1 2 3 4 5 Photo 2 Motor guard Motor support Connecting joint 4 Removing the sirocco fan Remove the air intake grille See the figure 1 Remove 1 beam Remove screws for removing the motor guard Remove screws for removing the fan guard Remove the lower casing while pressing the stoppers at upper side of the casing 6 Loosen the set screws at the connecting joint 7 Remove the sirocco fan and shaft together by sliding the shaft to the left 1 2 3 4 5 Note Make sure that the upper side casing is snapped to the fan plate securely with catch Photo 3 Motor guard Fan guard Sirocco fan Casing Connecting joint 5 Remov
4. 3 4 PART NAMES AND FUNCTIONS 7 5 SPECIFICATIONS nme 9 6 NOISE CRITERION CURVES 13 7 OUTLINES AND DIMENSIONS 15 8 WIRING DIAGRAWM rnnt 19 9 REFRIGERANT SYSTEM DIAGRAN 20 10 TROUBLESHOOTING 21 11 SPECIAL FUNCTION 33 12 DISASSEMBLY PROCEDURE 36 13 61 i 14 RoHS PARTS LIST fin SLIM 1 TECHNICAL CHANGES PCA RP50GA 2 PCA RP50GA 2 1 PCA RP60GA PCA RP60GA 1 PCA RP71GA PCA RP71GA 1 PCA RP100GA PCA RP125GA PCA RP140GA PCA RP100GA 1 PCA RP125GA 1 PCA RP140GA 1 VVVVYVY INDOOR CONTROLLER BOARD I B has been changed 2 REFERENCE MANUAL 2 1 OUTDOOR UNIT S SERVICE MANUAL Service Ref MXZ 8A140VA VA VAs OC316 SUZ KA50 60 71VAq TH OC322 SUZ KA50 60 71VA TH A 00323 PUHZ RP35 50 60 71 100 125 140VHA 00334 PUHZ RP100 125 140YHA PUHZ RP71 100 125 140VHAq A OC337 PUHZ RP200 250YHA 2 0C338 PUHZ RP200 250YHAq A OC339 PU H P VGAA UK PU H P YGAA UK 9998 PUHZ P100 125 140VHA UK 00359 PUHZ RP35 50 60 71 100 125 140VHA2 PUHZ RP100 125 140YHA2u PUHZ RP35 50 60 71 100VHA3 PUHZ RP100YHA3 PU H P71 100VHAw UK PU H P100 125 140YHAw UK 00379 PUHZ P100 125 140VHA2w UK OCH415 415 PUHZ RP71 100 125 140VHA2 A PUHZ RP
5. Initial flare nut size 16 PCA RP100GA Unit mm PCA RP100GA71 PCH P100GAH NOTES 1 Use M10 or W3 8 screws for anchor bolt 2 When optional drain lift up mechanism is installed always provide upward piping for refrigerant piping 87 16 pt gt 182 3 8F liquid 198 5 8F 3 4F gas Air out 245 Drainage 680 Air intake Drainage pipe connection 26mm 1 0 Drainage pipe connection for the left arrangement Knockout hole for left drain piping arrangement Electrical box Front view O 0 O Refrigerant pipe connection gas pipe side flared connection O Refrigerant pipe connection liquid pipe side flared connection O 7 Knockout hole for upper drain pipe arrangement 4 7 7 ims 7 7 O Knockout hole for left drain pipe arrangement 2 i i A 99 Knockout hole for wiring arrangement N 3 ES TM Y Y ES Y ag Y H 3 i p 53 4 FL Use the current nuts meeting the pipe size of the outdoor unit 8 Available pipe size RP100 P100 525 687 O LIQUID SIDE l 1235 5 9 52 99 52 O When electrical GASSIDE Pus is pulled 15 88 O T 1905 19 05 O Initial flare nut
6. BACK MONTORISET 2 39646 TEST Cv gt Airflow Up Down button Timer On Off button PAR 21MAA OCLOCK V OPERATION A Set Day button Louver button 57 Operation button To preceding operation Opening the number door Ventilation button A Operation button A next operation number Display For purposes of this explanation all parts of the display are shown as lit During actual operation only the relevant items will be lit Identifies the current operation Shows the operating mode etc Multilanguage display is sup ported Day of Week Shows the current day of the week Time Timer Display timer is set remaining Shows the current time unless the simple or Auto Off If the simple or Auto Off timer is set shows the time Sensor indication Displayed when the remote controller sensor is used Locked indicator Indicates that remote controller but tons have been locked Clean The Filter indicator MITSUBISHI ELECTRIC TIME SUN MON TUE WED THU FRI SAT TMER f Hr oN AFTER L AFTER OFF Centrally Controlled indicator ERROR CODE ET E 199569 Coa S AS WEEKLY Indicates that operation of the re mote co
7. T7W 304 762 FAN MOTOR DO9C4P70MS R01 700 116 SHAFT JOINT R01 43E 126 PIECE MOTOR R01 29J 114 SIROCCO FAN T7W 20J 675 FAN GUARD R01 E26 202 ROOM TEMPERATURE THERMISTOR R01 29J 100 SHAFT FAN OI T T7W 21J 675 FAN GUARD R01 00 103 SLEEVE BEARING R01 29J 145 BEARING SUPPORT R01 17J 524 DRAIN PLUG R01 A15 529 DRAIN PAN ASSY T7W 18J 675 FAN GUARD 01 17 110 CASING R01 33 114 SIROCCO FAN 02 R01 20J 303 INSULATOR R01 30 303 INSULATOR T7W 304 300 HEATER ELEMENT 80V 700W R01 17J 202 PIPE TEMPERATURE THERMISTOR R01 E27 202 CONDENSER EVAPORATOR TEMPERATURE THERMISTOR R01 HOO 480 HEAT EXCHANGER ko 05 rr ada dy dr oo 05 5 Gy a a a np aia T7W 01 480 HEAT EXCHANGER T7W 23J 706 THERMAL FUSE 110 C 16A 250V R01 46K 700 THERMAL SWITCH OFF 50C 35 FAN AND HEATER PARTS PCH P100GAH PCA RP100GA Parts No Parts Name Specifications Q ty set P100GAH RP100GA Remarks Drawing No Wiring Diagram Symbol Recom mended Q ty 801 4
8. Booster heater 31 lt 1 93 gt Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Medium 1 High 37 39 41 43 Unit drain pipe 1 0 26 1 Dimensions 1 310 51 9 16 680 26 3 4 210 8 1 4 Weight lt gt Shows the only booster heater rating INDOOR UNIT E z 5 oc o INDOOR UNIT 1 Service Ref PCH P100GAH Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input x1 0 15 0 15 lt 2 48 gt Running current 0 69 0 69 lt 10 78 gt Starting current x1 1 48 1 48 lt 10 78 gt External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 3 Fan motor output kW 0 090 Airflow Low Medium2 Medium1 High m min CFM 20 21 23 25 705 740 810 885 External static pressure Pa mmAg O direct blow Booster heater lt 2 48 gt Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Medium 1 High 40 41 43 45 Unit drain pipe 1 0 26 1 Dimensions 1 310 51 9 16 680 26 3 4 270 10 5 8 Weight Service Ref PCH P125GAH Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input
9. Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 0 12 0 12 Running current 0 53 0 53 Starting current 1 27 1 27 External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 3 Fan motor output kW 0 070 Airflow Low Medium2 Medium1 High m min CEM 14 15 16 18 495 530 565 635 External static pressure Pa mmAq O direct blow Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Medium1 High 37 39 41 43 Unit drain pipe 1 0 26 1 Dimensions 1 310 51 9 16 680 26 3 4 210 8 1 4 Weight INDOOR UNIT Service Ref PCA RP100GA PCA RP100GA 1 Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 0 15 0 15 Running current 0 69 0 69 Starting current 1 48 1 48 External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 3 Fan motor output kW 0 090 Airflow Low Medium2 Medium1 High m min CFM 20 21 23 25 705 740 810 885 External static pressure Pa mmAq O direct blow Operation control amp Thermostat Remote controller amp built in Noise level L
10. R01 194 GRILLE ASSY R01 A29 L L FILTER R01 32J UNDER PANEL T7W E02 W BOARD CASE REAR SUPPORT BG02H454K01 BEAM GA BG17H464H08 RIGHT SIDE PANEL RIGHT LEG SERVICE PANEL RIGHT SIDE BOX S PLATE R FRONT PANEL AUTO VANE G V ASSY 5R G V ASSY 5C VANE SUPPORT G V ASSY 5L LEFT SIDE BOX VANE MOTOR LEFT LEG h dd QO ND add lg lt CD lt lt JOINT SOCKET h h mh mh md NO lt i lt DRAIN HOSE COVER Oo Oo Oo Oo o o oo oo oo oo oo oo o ooo ol 0 o o RoHS NIN NI INI INI NIN I N 9 Joa DRAIN HOSE COVER 56 ELECTRICAL PARTS PCA RP50 60 71 100 125 140GA PCA RP50 60 71 100 125 140GA 1 PCA RP50GA2 PCA RP50GA2 1 Wiring Remarks Diagram 100 1254 50 Drawing No Symbol 1 Parts No Parts Name Specifications R01 A15 255 CAPACITOR 3uF 440V T7W E13 255 CAPACITOR 4uF 440V R01 A14 255 CAPACITOR 6 440V R01 E06 239 FUSE 250V 6 3A T7W E50 310 INDOOR CONTROLLER BOARD T7W E73 310 INDOOR CONTROLLER BOARD R01 E20 246 TERMINAL BLOCK 3 51 52 53 T7W E33 716 TERMINAL BLOCK 2P 1 2 CONTROL BOX BGOON015G40 R01
11. R01 800 116 SHAFT JOINT R01 E29 529 DRAIN PAN ASSY T7W 34J 675 FAN GUARD R01 E20 114 SIROCCO FAN R01 18J 524 DRAIN PLUG T7W 36J 675 FAN GUARD R01 19J 110 CASING R01 E02 103 SLEEVE BEARING R01 36 145 BEARING SUPPORT R01 31 303 INSULATOR R01 41 303 INSULATOR T7W E12 300 HEATER ELEMENT 80 1000W R01 H10 202 PIPE TEMPERATURE THERMISTOR din a dd dd RO1 09 202 CONDENSER EVAPORATOR TEMPERATURE THERMISTOR T7W 44 480 HEAT EXCHANGER T7W H45 480 HEAT EXCHANGER T7W H46 480 HEAT EXCHANGER T7W H47 480 HEAT EXCHANGER T7W 254 706 THERMAL FUSE 110 C 16A 250V 010 O O O O O O O O O O O O O O O O O O O O O O O O O O O RoHS R01 E13 700 THERMAL SWITCH OFF 50C ON 35C STRUCTURAL PART PCA RP50GA PCA RP50GA 1 PCH P50GAH 26 25 24 23 2221 20 6 7 8 9 10 111213 14 Part numbers that are circled are not shown in the figure Q ty set Remarks Wiring Parts No Parts Name Specifications PCA RP50GA Diagram mended PCH P50GAH PCA RP50GA 1 Drawing No Symbol R01 E00 666 S PLATE L 1 R01 A30 500 L LFILTER R01 18J 061 GRILLE HINGE R01 20J 691 GRILLE ASSY R01 19J 691 GRILLE ASSY R01 19J 054 GRILLE CATCH R01 A29 L L FILTER SUPPORT RO1 31J UNDER PANEL T7W E02 W BOARD
12. Use pressure performance of 5 09MPa G or over Electronic scale Gas leak detector Use the detector for R134a R407C R410A Adaptor for reverse flow check Attach on vacuum pump Refrigerant charge base Refrigerant cylinder for R410A of cylinder Pink Cylinder with syphon Refrigerant recovery equipment 4 PART NAMES AND FUNCTIONS Indoor Unit Left right guide vanes Change the direction of airflow from the horizontal blower Air outlet Long life filter Removes dust and foreign matter from air coming in through the grille Recommended cleaning interval Approx every 2 500 operating hours Air intake Up down guide vanes Change the direction of airflow from the vertical blower Intake grille Remote controller Once the controls are set the same operation mode can be repeated by simply pressing the ON OFF button Operation buttons Set Temperature buttons ON OFF button Cv Down Fan Speed button Up Timer Menu button Monitor Set button z MITSUBISHI ELECTRIC Filter 41 button lt Enter gt button Mode button Return button Test Run button Q ON OFF Set Time buttons Cv CA Check button Clear button CMS OMENU FILTER
13. 320 and pressing the FILTER Example When the current setting is Setting No 2 Request code 311 311 appears on the screen 7 To return to normal mode press the button 35 12 DISASSEMBLY PROCEDURE PCA RP50 60 71 100 125 140GA PCA RP50 60 71 100 125 140GA 1 PCA RP50GA2 PCA RP50GA2 1 PCH P50 60 71 100 125 140GAH OPERATING PROCEDURE PHOTOS amp ILLUSTRATIONS 1 Removing the air intake grille 1 Slide the intake grille holding 2 knobs backward to open the intake grill 2 When the intake grille left open push the stoppers on the rear 2 hinges to pull out the intake grille Figure 1 Intake grill Intake grill Holding knobs CE Hinges Pull out the intake grill 2 Removing the electrical box 1 Remove the air intake grille See the figure 1 2 Remove the screw from the beam and remove the beam 3 Remove the screws from the electrical cover and remove the electrical cover 4 Disconnect CN6V CN21 and CN29 5 Remove the screws from the electrical box and pull out the electrical box Electrical parts in the electrical box Terminal block for indoor outdoor connecting line Terminal block for electric heater PCH only Terminal block for remote controller Fan motor capacitor Indoor control board Relay PCH only Power board Figure 2 LM left ii E
14. Contact failure of connector CN44 on the indoor control ler board Insert failure Breaking of wire or contact failure of thermistor wiring Defective refrigerant circuit is causing thermistor tempera ture of 90 C or more or 40 C or less O Defective indoor controller board Check resistance value of thermistor For characteristics refer to P1 above Check contact failure of connector CN44 on the indoor controller board Refer to 10 6 Turn the power on and check restart after inserting connector again Check pipe liquid temperature with remote controller in test run mode If pipe liquid temperature is extremely low in cooling mode or high in heating mode refrigerant circuit may have defective O Check pipe liquid temperature with remote controller in test run mode If there is extremely difference with actual pipe liquid temperature replace indoor controller board Turn the power off and on again to operate after check Drain sensor DS Suspensive abnormality if short open of thermistor is detected for 30 seconds continuously Compressor and indoor fan will be turned off Short open is detected for 30 seconds continuously during suspensive abnormality The unit returns to normal operation if it has normally reset Detect the following condition During cooling and drying operation In case that pipe liquid temperature room temperature 10
15. FAN MOTOR D09B4P54MS R01 18J 524 DRAIN PLUG T7W 30J 675 FAN GUARD R01 E27 529 DRAIN PAN ASSY T7W 29J 675 FAN GUARD R01 E13 700 THERMAL SWITCH OFF 50C ON 35C R01 21J 303 INSULATOR R01 31J 303 INSULATOR T7W E21 300 HEATER ELEMENT 80 467W 01 H10 202 PIPE TEMPERATURE THERMISTOR RO1 09 202 CONDENSER EVAPORATOR TEMPERATURE THERMSTOR R01 8 480 HEAT EXCHANGER T7W H41 480 HEAT EXCHANGER R01 706 THERMAL FUSE 250V 98 C 10A Remarks Wiring Recom Diagram mended Drawing symbol lt o O O O O O O O O RoHS FAN AND HEATER PARTS PCA RP50GA2 PCA RP50GA2 1 PCA RP60GA PCA RP71GA PCA RP60GA 1 PCA RP71GA 1 PCH P60GAH PCH P71GAH Parts No Parts Name Specifications Q ty set PCH P PCA RP 60GAH 71GAH 50GA2 50GA2 1 60GA 60GA 1 71GA 71GA 1 Remarks Drawing No Wiring Diagram Symbol R01 304 130 MOTOR LEG 1 1 1 T7W 40J 762 FAN MOTOR DO9C4P70MS 01 800 116 SHAFT JOINT 01 45 126 PIECE MOTOR R01 E17 114 SIROCCO FAN T7W 29J 675 FAN GUARD 01 08 202 ROOM TEMPERATURE THERMISTOR R01 304 100 SHAFT FAN AJOJN T7W 284 675 FAN G
16. REAR SUPPORT BG02H454K01 BEAM GA BG17H464H08 R01 35J RIGHT SIDE PANEL R01 17J RIGHT LEG R01 18J SERVICE PANEL R01 35J RIGHT SIDE BOX R01 E00 S PLATE R R01 41J FRONT PANEL R01 E04 AUTO VANE R01 41J G V ASSY 5R R01 43J G V ASSY 5C R01 E01 VANE SUPPORT R01 42J G V ASSY 5L R01 E00 LEFT SIDE BOX R01 35J VANE MOTOR R01 17J LEFT LEG R01 17J JOINT SOCKET T7W E00 DRAIN HOSE COVER 47 A mad mad ee ee ee ee 03 N N 00 o lt lt ELECTRICAL PARTS PCA RP50GA PCA RP60GA PCA RP71GA PCA RP100GA 7 PCA RP125GA PCA RP140GA Parts No Parts Name Specifications 125 140 Remarks Drawing No Wiring Diagram Symbol R01 30L 255 CAPACITOR 3uF 440V T7W 39J 255 CAPACITOR 4uF 440V R01 A13 255 CAPACITOR 6 440V R01 E02 239 FUSE 250V 6 3A T7W E40 310 INDOOR CONTROLLER BOARD T7W E23 716 TERMINAL BLOCK 3 51 52 53 T7W 512 716 TERMINAL BLOCK 2P 1 2 CONTROL BOX BG00N015G31 R01 E02 313 POWER BOARD CONTROL COVER BG02A804G27 CONTROL COVER BG02A804G28 CONTROL COVER BG02A804G29 T7W A00 305 REMOTE CONTROLLER CORD T7
17. CNSK on indoor power board If no problem are found indoor power board is defective When DC12 5 13 7V is detected Check the wiring connection between CN2S on indoor power board and CN2D on indoor power board If no problem are found indoor controller When LED1 on indoor controller board is lit O Mis setting of refrigerant address for outdoor unit There is no unit corresponding to refrigerant address 0 26 the setting of refrigerant address for outdoor unit Set the refrigerant address to 0 For grouping control system under which 2 or more outdoor units are connected set one of the units to 0 Set refrigerant address using SW1 3 6 on outdoor controller circuit board Phenomena Note Refer to the manual of outdoor unit for the detail of remote controller Cause Countermeasure 2 LED2 on indoor controller board is blinking When LED1 on indoor controller board is also blinking Connection failure of indoor outdoor unit connecting wire Check indoor outdoor unit connecting wire for connection failure When LED1 is lit Mis wiring of remote controller wires Under twin triple indoor unit system 2 or more indoor units are wired together Refrigerant address for outdoor unit is wrong or not set Under grouping control system there are some units whose refrigerant address is 0 9 Short cut of remote controller wires
18. Defective remote controller Check the connection of remote con troller wires in case of twin triple indoor unit system When 2 or more indoor units are wired in one refrigerant system connect remote controller wires to one of those units Check the setting of refrigerant address in case of grouping control system If there are some units whose refrigerant addresses are 0 in one group set one of the units to 0 using SW1 3 6 on outdoor controller circuit board YO Remove remote controller wires and check LED2 on indoor controller board When LED2 is blinking check the short cut of remote controller wires When LED is lit connect remote controller wires again and if LED2 is blinking remote controller is defective if LED2 is lit connection failure of remote controller terminal block etc has returned to normal SJUpward downward vane performance failure Q The vane is not downward during defrosting and heat preparation and when the thermostat is OFF in HEAT mode Working of COOL protection function Vane motor does not rotate Defective vane motor Breaking of wire or connection failure of connector Up down vane setting is vanes 9 Upward downward vane does not work The vane is set to fixed position Normal operation The vane is set to horizontal regardless of remote control Check left Check the vane motor Refer to How to check the parts Check for breaki
19. Fan motor output kW 0 150 Airflow Low Medium2 Medium1 High m min CFM 27 30 32 34 955 1 060 1 130 1 200 External static pressure Pa mmAq O direct blow Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Medium1 High dB 42 44 46 48 Unit drain pipe 1 0 mm in 26 1 Dimensions mm in 1 620 63 3 4 mm in 680 26 3 4 mm in 270 10 5 8 Weight 45 99 INDOOR UNIT E 2 5 oc Q INDOOR UNIT 1 Service Ref PCH P50GAH Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 1 0 09 0 09 lt 1 29 gt Running current 1 0 41 0 41 lt 5 61 gt Starting current x1 1 20 1 20 lt 5 61 gt External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 2 Fan motor output kW 0 054 Airflow Low Medium2 Medium1 High m min CFM 10 11 12 13 355 390 425 460 External static pressure O direct blow Booster heater x1 lt 1 29 gt Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Mediumi High 37 38 40 42 Unit pipe 1 0 26 1 Dimensions 1 000 39 3 8 680 26 3 4 Weight Service Ref 21
20. POWER _ IDOOROUTDCOR GRN ATEA MY loo 4 gt CN2D WHT BCRV 4 449 L CN3C BLU L 100 140 YA ZNR CNA1 CN2L WIRELESS 5 5 4 s s 5 00 s lt CN51 CN32 WHT duct acre AE LED3 LED2 LED1 SWE SW2 51 D SENSOR INTAKE LIQUID PIPE REMOCON CNB A CN3 CN20 CN21 CN29 CN22 ON WHT RED WHT BLK BLU O Please set the voltage using the remote OFRE 11213 ma G2 12 HI iy controller Bs osa s RECEIVER LED1 LED2 SW2SW1 For the setting method please refer to gt I the indoor unit Installation Manual Refer to tables 1 gt 5 3 2 26 W B and for service m HIA 127 TRANSMISSION WIRES DC12V 1 XWhen installing optional uu LC ELLE E drain up machine disconnect TB5 R B gt the CN31 jumper connector i CN31 and replace it with the 12 DRAIN SENSOR drain sensor DS TH1 TH2 H5 x TB6 we WHT 11213 When installing drain up Servicing ur pu I L machine Optional part Fasten terminal of the terminal board TB4 equips lock system I To remove the fastened terminal pull it while pressing the protruding AA portion locking lever of the terminal The fastened terminal protruding portion should face upward PCH P5O P140GAH 0 Ro 1 Fig 1 models only Z wm FS2 RUM MET S POWER SUPPLY Soo o RED RED 55753 RED O POWER SUPPLY Qz PHASE WHT BLU ON DM MT x
21. 140 125 140 229 J 687 0 LIQUID SIDE p M 9 52 099 52 O GAS SIDE 15 880 When electrical 19 05 419 050 8 WIRING DIAGRAM PCA RP50GA PCA RP50GA2 PCA RP60GA PCA RP71GA PCA RP100GA PCA RP125GA PCA RP140GA PCA RP50GA 1 PCA RP50GA2 1 1 PCA RP71GA 1 PCA RP100GA 1 PCA RP125GA 1 PCA RP140GA 1 PCH P50GAH PCH P60GAH PCH P71GAH PCH P100GAH PCH P125GAH PCH P140GAH SYMBOL SYMBOL NAME SYMBOL INDOOR POWER BOARD FAN MOTOR W B WIRELESS REMOTE CONTROLLER BOARD OPTION LB INDOOR CONTROLLER BOARD MV VANE MOTOR RU RECEIVING UNIT FUSE FUSE T6 3AL
22. 313 POWER BOARD CONTROL COVER BG02A804638 CONTROL COVER BG02A804639 CONTROL COVER BG02A804G40 REMOTE CONTROLLER CORD 10m REMOTE CONTROLLER PAR 21MAA O O GO GO O0 0O 0 0 0 O0 RoHS 57 ELECTRICAL PARTS PCH P50GAH PCH P100GAH PCH P60GAH PCH P125GAH PCH P71GAH PCH P140GAH Q ty set PCH P 60 71 100 GAH Wiring Diagram Symbol Remarks Drawing No Parts No Parts Name Specifications 125 140 R01 15 255 T7W E13 255 801 A14 255 R01 E06 239 T7W E50 310 CAPACITOR CAPACITOR CAPACITOR FUSE INDOOR CONTROLLER BOARD 440V 4uF 440V 440V 250V 6 3A T7W E32 716 TERMINAL BLOCK R01 E20 246 TERMINAL BLOCK 3P 51 52 53 T7W E33 716 TERMINAL BLOCK 2P 1 2 CONTROL BOX E38 313 POWER BOARD E03 215 RELAY y CONTROL COVER CONTROL COVER CONTROL COVER A01 305 REMOTE CONTROLLER CORD E11 713 REMOTE CONTROLLER BG00N015G42 R01 R01 h h h je o oo o RoHS JC 1A DC12V BG02A804G38 BG02A804G39 BG02A804G40 10m PAR 21MAA 58 59 Mr SUM MITSUBISHI ELECTR
23. 414 130 MOTOR LEG R01 414 220 FAN MOTOR D10B4P150MS R01 43E 126 PIECE MOTOR R01 41J 114 SIROCCO FAN T7W 26J 675 FAN GUARD R01 E26 202 ROOM TEMPERATURE THERMISTOR T7W 25 675 GUARD R01 35 114 SIROCCO R01 700 116 SHAFT JOINT R01 17 529 DRAIN ASSY T7W 23J 675 FAN GUARD RO1 39J 114 SIROCCO FAN R01 174 524 DRAIN PLUG T7W 24J 675 FAN GUARD R01 35J 110 CASING R01 E00 103 SLEEVE BEARING R01 35 145 BEARING SUPPORT R01 204 303 INSULATOR RO1 36J 303 INSULATOR T7W 43J 300 HEATER ELEMENT 80V 1000W RO1 17J 202 PIPE TEMPERATURE THERMISTOR R01 E27 202 CONDENSER EVAPORATOR TEMPERATURE THERMISTOR pa OC eC T7W 480 HEAT EXCHANGER T7W 4 480 HEAT EXCHANGER T7W 05 480 HEAT EXCHANGER T7W 06 480 HEAT EXCHANGER T7W 23J 706 THERMAL FUSE 110 C 16A 250V R01 46K 700 THERMAL SWITCH OFF 50 C ON 35C 44 STRUCTURAL PART PCA RP50GA PCH P50GAH 26 25 24 23 2221 20 6 7 8 9 10 11121314 Part numbers that are circled are not shown in the figure Q ty set Wirin R g
24. Noise has entered into the transmission wire of remote controller Q Check disconnection or looseness of indoor unit or transmission wire of remote controller Q 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 controllers 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 c When RC or ERC 00 66 is dis played noise may be causing abnormality If the unit is not normal after replacing indoor controller board in group control indoor controller board of address 0 may be abnormal Remote controller transmission error E3 signal receiving error E5 Abnormal if remote controller could not find blank of transmission path for 6 sec onds and could not transmit Error code E3 Remote controller receives transmitted data at the same time and compares the received and transmitted data Abnormal if these data are judged to be different 30 continuous times Error code E3 O Abnorm
25. PHASE GRNNYLW 2 o30V 50Hz 2 ARES UE 1 YLW TB4si cm eoe FA ORN HEATER 1 ORN 2 x1 When work to supply power separately to LB BRN lt 53 pro OUTDOOR UNIT Indoor and Outdoor unit was applied refer to Fig 1 AA X2 For power supply system of this unit 113 113 refer to the caution label located near this diagram S BED 26H POWER IDOOROUTDOOR RED 2 9 CONUCATON N 5 DIA 2 BLU Table 2 NOTES Tabled swz hange b Swi MODELS Service board MODELS Service board Since the outdoor side electric wiring may change be sure to MODELS mica board 12345 12345 check the outdoor unit electric wiring for servicing PCA RPSOGA PCA RP100GA O 2 Indoor and outdoor connecting wires are made with polarities make PCA RP GA 12345 PCH P50GAH jg I PCH P100GAH OFF wiring matching terminal numbers 1 S2 S3 Able or 3 Make sure that the main power supply of the booster heater i OFF 12 3 4 5 1 23 4 5 Make sure that the main power supply of the booster heater is M m oN independent PCH P60GAH 4 Symbols used wiring diagram above PCA RP71GA 2 5 on PCA RPI40GA 1 E 4 Connector Terminal block PCH P71GAH ofr PCH P140GAH 7
26. UNDER PANEL T7W E02 W BOARD CASE REAR SUPPORT BEAM GA S PLATE R S PLATE R RIGHT SIDE PANEL RIGHT SIDE PANEL RIGHT LEG SERVICE PANEL SERVICE PANEL RIGHT SIDE BOX RIGHT SIDE BOX FRONT PANEL FRONT PANEL AUTO VANE AUTO VANE VANE SUPPORT VANE SUPPORT G V ASSY 6R G V ASSY 6C G V ASSY 6L LEFT SIDE BOX LEFT SIDE BOX VANE MOTOR VANE MOTOR JOINT SOCKET DRAIN HOSE COVER DRAIN HOSE COVER HS Parts No Parts Name BG02H454K01 BG17H464H08 gt 5 GD G Gd O GD GD GD G GD GD G G G O O GO G 0 O O O GO O O O GO 0 Ro STRUCTURAL PART PCA RP125GA PCA RP140GA PCA RP125GA 1 PCA RP140GA 1 PCH P125GAH PCH P140GAH ooh Ww N Part numbers that are circled are not shown in the figure Q ty set Remarks Wiring Parts No Parts Name Specifications PCA RP125 140GA Diagram mended PCH P125 140GAH PCA RP125 140GA 1 Drawing No R01 36 662 LEFT SIDE PANEL 1 R01 E01 666 S PLATE L R01 A19 676 REAR PANEL R01 A30 500 1 1 FILTER R01 18J 061 GRILLE HINGE R01 20J 691 GRILLE ASSY R01 19 054 GRILLE CATCH
27. amp built in Noise level Low Medium2 Medium1 High 42 44 46 48 Unit drain pipe 1 0 26 1 Dimensions 1 620 63 3 4 680 26 3 4 270 10 5 8 Weight lt gt Shows the only booster heater rating 48 106 12 NOISE CRITERION CURVES PCA RP50GA NOTCH PCA RP50GA 1 eden PCH P50GAH Medium2 0 0002 ubar OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 125 250 a00 1 7 2000 4000 5000 PCA RP100GA NOTCH SPL dB _ LINE PCA RP100GA 1 m PCH P100GAH Medium2 41 e e Low 40 0 0002 ubar BAND SOUND PRESSURE LEVEL dB 0 dB 90 80 70 60 50 40 30 20 90 80 70 60 50 40 30 20 SPL dB LINE 42 40 AA 38 eo Low 37 NOISE APPROXIMATE THRESHOLD OF I HEARING FOR lt CONTINUOUS EN NOISE APPROXIMATE i i THRESHOLD OF HEARING FOR gw CONTINUOUS E T T 63 125 250 500 1000 2000 BAND CENTER FREQUENCIES Hz 4000 8000 13
28. main unit Start operation Main 5 6 Sub Main Main gt Sub i OC Outdoor unit i IC Indoor unit RC Wired remote controller Main unit IC 1 Abnormal condition Run E Sub unit IC 2 1 1 1 28 days 1 28 days Ex When the request code number is 313 each unit operates alternately in daily cycle When the uint is restarted to operate after turning off the power or OFF operation the unit which was operating will start operation To operate the main unit refer to the 11 1 2 and set the requet code No which is not the same as the current one and set again the former request code No 2 2nd stage cut in function Outline of functions Number of operating units is determined according to the room temperature and set point When room temperature becomes higher than set point standby unit starts 2 units operation When room temperature falls below set point 4 C standby unit stops 1 unit operation System constraint i 2nd stage cut in function Request code number 322 324 i This function is available only in rota i tion operation and back up function in i Room temp Set point Room temp lt Set point 4 C cooling mode i Start operation unit start operation Sub unit stop i Main unit IC 1 Sub unit IC 2 11 1 2 How to set rotation function Back up function 2nd stage cut in function You can set these func
29. non RoHS compliant FAN AND HEATER PARTS PCH P50GAH PCA RP50GA 2 Parts Parts Specifications Q ty set PCH PCA P50GAH RP50GA Remarks Drawing No Wiring Diagram Symbol R01 17J 130 MOTOR LEG 1 R01 17J 110 CASING R01 17J 114 SIROCCO FAN T7W 19J 675 FAN GUARD 01 E26 202 ROOM TEMPERATURE THERMISTOR R01 43E 126 PIECE MOTOR R01 17J 220 FAN MOTOR D09B4P54MS 01 174 524 DRAIN PLUG O T T7W 17J 675 FAN GUARD 01 A14 529 DRAIN PAN ASSY T7W 184 675 FAN GUARD R01 46K 700 THERMAL SWITCH OFF 50C ON 35C 01 18J 303 INSULATOR R01 20J 303 INSULATOR T7W 23J 300 HEATER ELEMENT 80V 466W R01 174 202 PIPE TEMPERATURE THERMISTOR 01 E27 202 CONDENSER EVAPORATOR TENPERATURE R01 E38 480 HEAT EXCHANGER re Ce Ce N I T7W KOO 480 HEAT EXCHANGER R01 P02 706 THERMAL FUSE 250V 98C 10A 41 FAN AND PARTS PCH P60GAH PCA RP60GA PCH P71GAH PCA RP71GA Parts No Parts Name Specifications Q ty set P60 GAH P71 GAH RP60 GA RP71 GA Remarks Drawing No Wiring Diagram Symbol R01 29J 130 MOTOR LEG
30. size 17 box 15 pulled down 18 O Initial flare nut size PCA RP1 25GA Unit mm PCA RP140GA PCA RP125GA 1 PCA RP1 40GA 1 1 Use M10 or W3 8 screws for anchor bolt 2 When optional lift up mechanism is installed always provide PCH P1 25GAH upward piping for refrigerant piping PCH P140GAH 1547 suspension bolt pitch Electrical box ud i 229 1524 182 liquid 1620 198 5 8F 3 4F gas 245 i Air outlet i lt Drainage Air intake p 1535 Drainage pipe connection 26mm 1 0 Drainage pipe connection for the left arrangement G Knockout hole for left drain piping arrangement Electrical box Front view 0 Refrigerant pipe connection gas pipe side flared connection e 7 O Refrigerant pipe connection liquid pipe side flared connection O 2 Ceiling Knockout hole for upper drain pipe arrangement n T 5 2 zd Knockout hole for left drain pipe arrangement o 1 S Knockout hole for wiring arrangement e o Y N 9 de at Ae T4 i Sk sae a x e Use the current nuts meeting the pipe size of the outdoor unit ES ee dee uae Available pipe size 125
31. the nonvolatile memory of the control p c board of the unit Marks in the table below Jumper wire O Short X Open Functions Setting by the dip switch and jumper wire Remarks Model settings For service board Capacity settings MODELS Service board PCA RP50GA 23 5 PCH P50GAH UN E PCA RP50GA2 PCA RP60GA PCH P60GAH PCA RP71GA PCH P71GAH H 100 PCH P100GAH PCA RP125GA PCH P125GAH Mo EN o NE lo EN PCA RP140GA PCH P140GAH Pair number setting with wireless remote controller Wireless remote Control PCB setting controller setting J41 J42 x x lt lnitial setting gt Wireless remote controller 0 Control PCB O for both J41 and J42 Four pair number settings are supported The pair number settings of the wireless remote controller and indoor control PCB J41 J42 are given in the table on the left gt x in the table indicates the jumper line is disco nnected Unit type setting Model JP1 Without TH5 O With TH5 There is jumper JP1 because these models have the cond eva temperature thermistor TH5 Indoor controller board type setting Indoor c
32. to drive multiple indoor units this message will appear only if he feature is not present at the parent unit When power is turned ON for the first time it is normal that PLEASE WAIT is displayed on the room temperature indication For max 2minutes Please wait until this PLEASE WAIT indication disappear then start the operation SPECIFICATIONS INDOOR UNIT INDOOR UNIT INDOOR UNIT INDOOR UNIT Service Ref PCA RP50GA PCA RP50GA 1 Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 0 09 0 09 Running current 0 41 0 41 Starting current 1 20 1 20 External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 2 Fan motor output kW 0 054 Airflow Low Medium2 Medium1 High m min CFM 10 11 12 13 855 390 425 460 External static pressure Pa mmAq O direct blow Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Medium 1 High 37 38 40 42 Unit drain pipe 1 0 26 1 Dimensions 1 000 39 3 8 680 26 3 4 210 8 1 4 Weight Service Ref Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 0 12 0 12 Running current 0 53 0 53 Starting current 1
33. 0 BAND CENTER FREQUENCIES Hz ceiling 1m unit about 1 4m MICROPHONE 14 7 OUTLINES AND DIMENTIONS INDOOR UNIT Unit mm NOTES 1 Use M10 or W3 8 screws for anchor bolt 2 When optional drain lift up mechanism is installed always provide upward piping for refrigerant piping O 80 320 933 suspension bolt pitch 983 904 1000 182 liquid 201 gas PCA RP50GA PCA RP50GA 1 PCH P50GAH Electrical box e 226 9 ist Air intake Electrical box Front view Ceiling 241 Drainage le When electrical box is pulled down 15 Drainage pipe connection 26mm 1 0 Drainage pipe connection for the left arrangement Knockout hole for left drain piping arrangement Refrigerant pipe connection gas pipe side flared connection O Refrigerant pipe connection liquid pipe side flared connection amp Knockout hole for upper drain pipe arrangement Knockout hole for left drain pipe arrangement Knockout hole for wiring arrangement Use the current nuts meeting the pipe size of the outdoor unit Available pipe size APSO P50 LIQUID SIDE 96 35 9 52 9 52 GASSIDE 6127 O ES 15 88 615 88
34. 0 8 1 4 PCH P60GAH Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 1 0 12 0 12 lt 1 93 gt Running current 1 0 53 0 53 lt 8 39 gt Starting current 3 1 1 27 1 27 lt 8 39 gt External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 3 Fan motor output kW 0 070 Airflow Low Medium2 Medium1 High m min CFM 14 15 16 18 495 530 565 635 External static pressure O direct blow Booster heater x1 lt 1 93 gt Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Medium1 High 37 39 41 43 Unit drain pipe 1 0 26 1 Dimensions 1 310 51 9 16 680 26 3 4 210 8 1 4 Weight Service Ref 36 79 PCH P71GAH Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input x1 0 12 0 12 lt 1 93 gt Running current x1 0 53 0 53 lt 8 39 gt Starting current x1 1 27 1 27 lt 8 39 gt External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 3 Fan motor output kW 0 070 Airflow Low Medium2 Medium1 High m min CFM 14 15 16 18 495 530 565 635 External static pressure O direct blow
35. 1 Emergency operation cannot be used as follows When the outdoor unit is something wrong When the indoor fan is something wrong When drain over flow protected operation is detected during self diagnosis Error code P5 2 Emergency operation will be serial operation by the power supply ON OFF ON OFF or temperature etc adjustment is not operated by the remote controller 3 Do not operate for a long time as cold air is blown when the outdoor unit starts defrosting operation during heat emer gency operation 4 Cool emergency operation must be within 10 hours at most It may cause heat exchanger frosting in the indoor unit 5 After completing the emergency operation return the switch setting etc in former state 6 Since vane does not work at emergency operation position the vane manually and slowly 28 10 5 HOW CHECK THE PARTS PCA RP50 60 71 100 125 140GA PCA RP50 60 71 100 125 140GA 1 PCA RP50GA2 PCA RP50GA2 1 PCH P50 60 71 100 125 140GAH Parts name Check points Room temperature thermistor TH1 Pipe temperature thermistor TH2 Condenser evaporator temperature thermistor TH5 Disconnect the connector then measure the resistance with a tester At the ambient temperature 10 C 30 Normal Abnormal 4 3kQ 9 6kQ Open or short Refer to the next pege for a detail Fan motor Relay connector Measure the resistance between the terminals using a tester Wi
36. 100 125 140YHA2 A OCH422 422 PUHZ BP100 125 140VHA A PUHZ BP200 250YHA A OCH423 008423 PUHZ P200 250YHA2 2 424 PUHZ HRP71 100VHA PUHZ HRP100 125YHA OCH425 425 PUHZ RP200 250YHA2 OCH428 OCB428 OC374 2 2 TECHNICAL DATA BOOK Series Outdoor unit Manual No PUHZ RP HA A PU H P GAA UK SUZ KA VA PUHZ RP HA2 PUHZ P PU H P PUHZ P VHA2 PUHZ P PUHZ RP HA2 A PUHZ BP HA PUHZ HRP 3 SAFETY PRECAUTION 3 1 ALWAYS OBSERVE FOR SAFETY Before obtaining access to terminal all supply circuits must be disconnected 3 2 CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilising refrigerant R407C Do not use the existing refrigerant piping Use liquid refrigerant to charge the system The old refrigerant and lubricant in the existing piping contains a large amount of chlorine which may cause the lubricant deterioration of the new unit Use low residual oil piping If there is a large amount of residual oil hydraulic oil etc inside the piping and joints deterioration of the lubricant will result If gas refrigerant is used to seal the system the composition of the refrigerant in the cylinder will change and performance may drop Do not use a refrigerant other than R407C If another refrigerant R22 etc is used the chlorine in the refrigerant may c
37. 250V DP DRAIN UP MACHINE OPTION BZ BUZZER ZNR VARISTOR DS DRAIN SENSOR OPTION LED1 LED RUN INDICATOR CN2L CONNECTOR LOSSNAY TB2 TERMINAL BLOCK HEATER XPCH P GAH LED2 LED HOT ADJUST CN32 CONNECTOR REMOTE SWITCH models only or option for PCA RP GA 2 models SW1 SWITCH HEATING ON OFF CN41 CONNECTOR HA TERMINAL A TB4 TERMINAL BLOCK INDOOR OUTDOOR CONNECTING LINE SW2 SWITCH COOLING ON OFF CN51 CONNECTOR CENTRALLY CONTROL TB5 TB6 TERMINAL BLOCK REMOTE CONTROLLER HEATER SW1 SWITCH MODEL SELECTION See Table 1 TRANSMISSION LINE FS1 2 THERMAL FUSE 98C10A 50GAH 117 C16A 100GAH SW2 SWITCH CAPACITY CODE See Table 2 TH1 ROOM TEMP THERMISTOR 110 C16A 60 71 125 140GAH SWE SWITCH EMERGENCY OPERATION 0 C 15kQ 25 C 5 4kQ DETECT Hi HEATER xi RELAY DRAIN PUMP TH2 PIPE TEMP THERMISTOR LIQUID 26 HEATER THERMAL SWITCH X4 RELAY FAN MOTOR 0C 15kQ 25 C 5 4kQ DETECT 88H HEATER CONTACTOR CONTROL ELEMENT 5 COND EVA TEMP THERMISTOR LED1 POWER SUPPLY 1 B 0C 15kQ 25 C 5 4kQ DETECT LED2 POWER SUPPLY R B R B WIRED REMOTE CONTROLLER BOARD LED3 TRANSMISSION INDOOR OUTDOOR C CAPACITOR FAN MOTOR CN2S RED WHT 1 1 2 DCi31V H2 I 1 d OPTION 3 T 3 OPTION gl C ORN 552 T TO OUTDOOR UNIT ass rt BE sg sE 5 OE AE mix gt o mz BRA HH 50 71TYPE GOREN ni wee A ene WHT BLU RED ORN
38. 27 1 27 External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 3 Fan motor output 0 070 Airflow Low Medium2 Medium1 High m min CFM 14 15 16 18 495 530 565 635 External static pressure Pa mmAg O direct blow Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Medium 1 High 37 39 41 43 Unit pipe 1 0 26 1 Dimensions 1 310 51 9 16 680 26 3 4 210 8 1 4 Weight Service Ref PCA RP60GA PCA RP60GA 1 Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 0 12 0 12 Running current 0 53 0 53 Starting current 1 27 1 27 External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 3 Fan motor output 0 070 Airflow Low Medium2 Medium1 High m min CFM 14 15 16 18 495 530 565 635 External static pressure Pa mmAg O direct blow Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Medium 1 High 37 39 41 43 Unit pipe 1 0 26 1 Dimensions 1 310 51 9 16 680 26 3 4 210 8 1 4 Weight Service Ref PCA RP71GA PCA RP71GA 1
39. 3E 126 PIECE MOTOR 1 1 R01 354 130 MOTOR LEG R01 354 220 FAN MOTOR D10B4P90MS R01 700 116 SHAFT JOINT R01 35 114 SIROCCO FAN 7 22J 675 FAN GUARD R01 E26 202 ROOM TEMPERATURE THERMISTOR 1 2 3 4 5 6 7 8 RO1 29J 100 SHAFT T7W 234 675 FAN GUARD R01 00 103 SLEEVE BEARING R01 354 145 BEARING SUPPORT R01 17 524 DRAIN PLUG 801 16 529 DRAIN ASSY T7W 24J 675 FAN GUARD RO1 35 110 CASING RO1 39J 114 SIROCCO FAN R01 204 303 INSULATOR RO1 364 303 INSULATOR T7W 39 300 HEATER ELEMENT 80V 900W RO1 17 202 PIPE TEMPERATURE THERMISTOR R01 E27 202 CONDENSER EVAPORATOR TEMPERATURE THERMSTOR R01 E33 480 HEAT EXCHANGER 5 5 5 T7W 480 HEAT EXCHANGER T7W 589 706 THERMAL FUSE 117 16A 250V R01 46K 700 THERMAL SWITCH 50 ON 35C FAN AND HEATER PARTS PCH P125GAH PCA RP125GA PCH P140GAH PCA RP140GA Parts No Parts Name Specifications Q ty set PCH PCA 125 140 RP125 RP140 GA GA Remarks Drawing No Wiring Diagram Symbol RO1 29J 100 SHAFT RO1
40. 5 FAN GUARD R01 202 103 SLEEVE BEARING R01 36J 145 BEARING SUPPORT R01 18J 524 DRAIN PLUG R01 E28 529 DRAIN PAN ASSY T7W 32J 675 FAN GUARD R01 19J 110 CASING R01 E20 114 SIROCCO FAN h Q R01 31J 303 INSULATOR 01 41J 303 INSULATOR T7W E22 300 HEATER ELEMENT 80V 900W R01 H10 202 PIPE TEMPERATURE THERMISTOR R01 H09 202 CONDENSER EVAPORATOR TEMPERATURE THERMISTOR R01 9 480 HEAT EXCHANGER G G Q T7W H43 480 HEAT EXCHANGER T7W 11G 706 THERMAL FUSE 117 16A 250V 01000 o o o o oo 0 o o RoHS 801 E13 700 THERMAL SWITCH OFF 50C 0 35 FAN AND HEATER PARTS PCA RP125GA PCA RP140GA PCA RP125GA 1 PCA RP140GA 1 PCH P125GAH PCH P140GAH Q ty set oa 2 Wiring Parts Parts Specifications PCA RP Diagram WI k 125GAH 140GAH 1894111400941 O NP Symbol ay lt R01 30J 100 SHAFT 1 1 1 1 R01 33J 130 MOTOR LEG R01 20J 220 MOTOR D10B4P150MS R01 45E 126 PIECE MOTOR R01 E18 114 SIROCCO FAN T7W 354 675 GUARD R01 08 202 ROOM TEMPERATURE THERMISTOR T7W 33J 675 FAN GUARD O O J O O AJO N R01 E19 114 SIROCCO FAN o
41. C 220 240V is not detected Check indoor outdoor unit connecting wire for mis wiring When AC 220 240V is detected Check below Check voltage output from CN2S on indoor power board DC13 1V Refer to 10 6 1 When no voltage is output Check the wiring connection When output voltage is between DC12 5V and DC13 7V Check O below Check the wiring connection between indoor controller board and indoor power board Check the fuse on indoor controller board D Check the voltage of indoor power supply terminal block L N When AC220 240V is not detected Check the power supply wiring When AC220 240V is detected Check below Check that there is no problem in the meth od of connecting the connectors When there are problems in the method of connecting the connectors Connect the connector correctly referring to installation manual of an optional kit When there is no problem in the method of connecting the connectors Check below Check voltage output from CNDK on indoor controller board When AC220 240V is not detected Check the fuse on indoor controller board Check the wiring connection between indoor power supply terminal block and CND on indoor controller board When AC220 240V is detected Check below Check voltage output from CN2S on indoor power board When no voltage output Check the wiring connection between CNDK on indoor controller board and
42. CASE R01 19 S PLATE R R01 18J RIGHT LEG R RO1 19J SERVICE PANEL R01 18J RIGHT SIDE PANEL R01 18 RIGHT SIDE BOX RO1 38J G V ASSY 6R R01 E02 VANE SUPPORT R01 37 FRONT PANEL R01 31 AUTO VANE RO1 38J G V ASSY 6L R01 A18 REAR PANEL RO1 18J LEFT SIDE BOX R01 E11 VANE MOTOR R01 18 LEFT LEG L R01 18J LEFT SIDE PANEL R01 18 JOINT SOCKET T7W E01 DRAIN HOSE COVER RO1 18 DRAIN HOSE COVER z o INIO 01 N BG02H454K01 BG17H464H08 OY ndo ed p mh ek 5 5 20000000000 0000 000000000000 o RoHS 54 STRUCTURAL PART 25 24 23 22 21 PCA RP50GA2 PCA RP50GA2 1 PCA RP60GA PCA RP71GA PCA RP100GA PCA RP60GA 1 PCA RP71GA 1 PCA RP100GA 1 PCH P60GAH PCH P71GAH PCH P100GAH Q ty set Specifi PCA RP PCH P Remarks laram BS i 60 71 100 2 GA 1 Drawing symbol qty R01 18 662 LEFT SIDE PANEL 1 1 1 R01 36J 662 LEFT SIDE PANEL 1 01 18 809 LEFT LEG 1 1 1 1 R01 E00 666 S PLATE L 1 1 1 R01 E01 666 S PLATE L R01 30J 676 REAR PANEL R01 A21 676 REAR PANEL R01 18J 061 GRILLE HINGE R01 19J GRILLE CATCH R01 19J GRILLE ASSY R01 A29 L L FILTER R01 30J
43. Code Abnormal point and detection method Cause Countermeasure Pipe temperature thermistor Condenser Evaporator TH5 O The unit is in 3 minute resume protec tion mode if short open of thermistor is detected Abnormal if the unit does not get back to normal within 3 minutes The unit returns to normal operation if it has been reset normally Constantly detected during cooling drying and heating operation except defrosting Short 90 C or more Open 40 or less Q Defective thermistor characteristics Contact failure of connector CN44 on the indoor controller board Insert failure Breaking of wire or contact failure of thermistor wiring Temperature of thermistor is 90 C or more or 40 C or less caused by defective refrigerant circuit Defective indoor controller board 0 Check resistance value of thermistor For characteristics refer to P1 above 9 Check contact failure of connector 44 on the indoor controller board Refer to 10 7 Turn the power on and check restart after inserting connector again 0 Operate in test run mode and check pipe condenser evaporator temperature with outdoor controller circuit board If pipe condenser evaporator temperature is extremely low in cooling mode or high in heating mode refrigerant circuit may have defect Operate in test run mode and check pipe condenser evaporator temperature with outdoor control circui
44. IC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2007 MITSUBISHI ELECTRIC ENGINEERING CO LTD vr Distributed in 2008 No OC328 REVISED EDITION B PDF 7 New publication effective May 2008 Distributed in Jun 2006 No OC328 REVISED EDITION A PDF 8 Specifications Subject to ehange withoutnglice Distributed in May 2005 No OC328 PDF 9 Made in Japan
45. MITSUBISHI ELECTRIC Changes for the Better SPLIT TYPE HEAT PUMP AIR CONDITIONERS SPLIT TYPE AIR CONDITIONERS SERVICE MANUAL Series PCA Indoor unit Model names Service Ref PCA RP50GA PCA RP50GA PCA RP50GA2 PCA RP50GA2 PCA RP60GA PCA RP60GA PCA RP71GA PCA RP71GA PCA RP100GA PCA RP125GA PCA RP140GA PCA RP100GA PCA RP125GA PCA RP140GA Series PCH Ceiling Suspended May 2008 No OC328 REVISED EDITION B R407C R410A PCA RP50GA 1 PCA RP50GA2 1 PCA RP60GA 1 PCA RP71GA 1 PCA RP100GA 1 PCA RP125GA 1 PCA RP140GA 1 R407C Revision PCA RP50 140GA 2 1 are added in REVISED EDITION B ROHS PARTS LIST added Some descriptions have been modified Please void OC328 REVISED EDITION A NOTE This manual describes only PCH P50GAH PCH P60GAH PCH P71GAH PCH P100GAH PCH P125GAH PCH P140GAH PCH P50GAH PCH P60GAH PCH P71GAH PCH P100GAH PCH P125GAH PCH P140GAH service data of the indoor units RoHS compliant products have G mark on the spec name plate For servicing of RoHS com pliant products refer to the RoHS Parts List indication Model name REMOTE CONTROLLER CONTENTS 1 TECHNICAL CHANGES 2 2 REFERENCE MANUAL 2 3 SAFETY PRECAUTION
46. NGE R01 GRILLE CATCH R01 GRILLE ASSY R01 L L FILTER UNDER PANEL W BOARD CASE REAR SUPPORT BEAM GA S PLATE R S PLATE R RIGHT SIDE PANEL RIGHT SIDE PANEL RIGHT LEG SERVICE PANEL SERVICE PANEL RIGHT SIDE BOX RIGHT SIDE BOX FRONT PANEL FRONT PANEL AUTO VANE AUTO VANE VANE SUPPORT VANE SUPPORT G V ASSY 6R G V ASSY 6C G V ASSY 6L LEFT SIDE BOX LEFT SIDE BOX VANE MOTOR VANE MOTOR JOINT SOCKET DRAIN HOSE COVER BG02H454K01 BG17H464H08 anal 5 la STRUCTURAL PART PCA RP125GA PCA RP140GA PCH P125GAH PCH P140GAH 7 Part numbers that are circled are not shown in the figure Parts No Parts Name Specifications Q ty set PCA RP125 140GA PCH P125 140GAH 10 11 12 Remarks Drawing No 13 Wiring Diagram Symbol Recom R01 35J 662 LEFT SIDE PANEL 1 R01 35J 666 S PLATE L R01 A17 676 REAR PANEL R01 A15 500 L L FILTER R01 17J 061 GRILLE HINGE R01 18J 691 GRILLE ASSY R01 17J 054 GRILLE CATCH NI O OIT OO N R01 17J 691 GRILLE ASSY R01 A14 500 L L FILTER R01 41J 669 UNDER PANEL T7W E01 070 W BOARD CASE
47. O O Initial flare nut size PCA RP50GA2 Unit mm PCA RP50GA2 1 PCA RP60GA i Use Mi 0 or W3 8 screws for anchor bolt PCA RP71GA 2 When optional drain lift up mechanism is installed always provide PCA RP60GA 1 upward piping for refrigerant piping PCA RP71GA 1 PCH P60GAH PCH P71GAH 1240 TT UN bolt pitch de 50 Electrical box lt 1280 1 18 157 1214 182 liquid pe gt 1310 201 5 8F gas Air outlet lt 241 Drainage Air intake Drainage pipe connection 26mm 1 0 Drainage pipe connection for the left arrangement Knockout hole for left drain piping arrangement Refrigerant pipe connection gas pipe side flared connection Electrical box Front view Refrigerant pipe connection liquid pipe side flared connection Knockout hole for upper pipe arrangement Knockout hole for left pipe arrangement Knockout hole for wiring arrangement Use the current nuts meeting the pipe size of the outdoor unit Available pipe size RP50 RP60 RP71 P60 P71 LIQUID SIDE 6 35 O 6 35 9 52 9 52 O 49 52 O GAS SIDE 9127 15 88 415 88 O 415 880 When electrical box is pulled down
48. Parts No Parts Name Specifications PCA RP50GA Diagram PCH P50GAH Drawing No symbol R01 57N 666 S PLATE L 1 R01 15 500 1 1 FILTER RO1 17 061 GRILLE HINGE R01 18J 691 GRILLE ASSY 01 17 691 GRILLE ASSY 01 17J 054 GRILLE CATCH RO1 A14 500 L LFILTER REAR SUPPORT RO1 669 UNDER PANEL BEAM GA T7W 070 W BOARD CASE R01 665 S PLATE R R01 808 RIGHT LEG R R01 668 SERVICE PANEL R01 661 RIGHT SIDE PANEL R01 067 RIGHT SIDE BOX R01 085 G V ASSY 6R R01 033 VANE SUPPORT RO1 651 FRONT PANEL R01 002 AUTO VANE R01 086 G V ASSY 6L R01 676 REAR PANEL R01 068 LEFT SIDE BOX R01 223 VANE MOTOR R01 17J 809 LEFT LEG L R01 17 662 LEFT SIDE PANEL RO1 17J 523 JOINT SOCKET T7W 00 072 DRAIN HOSE COVER z BG02H454K01 O O N O OIT O N BG17H464H08 1 4 1 1 4 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 45 STRUCTURAL PART 25 24 23 22 21 PCA RP60GA PCA RP71GA PCA RP100GA PCH P60GAH PCH P71GAH PCH P100GAH Q ty set E 5 Wiring Parts No Parts Name Specifications EY Remarks Diagram GAIGAH Drawing No Symbol R01 17J 662 LEFT SIDE PANEL 1 R01 354 662 LEFT SIDE PANEL 1 R01 17J 809 LEFT LEG 1 1 R01 57N 666 S PLATE L 1 RO1 354 S PLATE L R01 A15 REAR PANEL R01 A16 REAR PANEL R01 17 GRILLE HI
49. UARD o R01 E02 103 SLEEVE BEARING 01 304 145 BEARING SUPPORT R01 184 524 DRAIN PLUG 801 A18 529 DRAIN PAN ASSY T7W 27 675 FAN GUARD R01 184 110 CASING 01 E15 114 SIROCCO FAN mu ip aj ajo R01 314 303 INSULATOR R01 404 303 INSULATOR T7W E11 300 HEATER ELEMENT 80V 700W 01 H10 202 PIPE TEMPERATURE THERMISTOR 01 09 202 CONDENSER EVAPORATOR TEMPERATURE THERMISTOR R01 J66 480 HEAT EXCHANGER aj a do T7W H42 480 HEAT EXCHANGER T7W H37 480 HEAT EXCHANGER T7W 25J 706 THERMAL FUSE 110 C 16A 250V ODODO OD OD D D OD D D DIDID D D D Dl D Dl Ol O O OIO RoHS R01 E13 700 THERMAL SWITCH OFF 50C ON 35C FAN AND HEATER PARTS PCH P100GAH PCA RP100GA PCA RP100GA 1 lt Parts No Parts Name Specifications Q ty set PCH P PCA RP 100 100GA 100GA 1 Remarks Drawing No Wiring Diagram Symbol Recom R01 45E 126 PIECE MOTOR 1 1 1 R01 32J 130 MOTOR LEG R01 19J 220 FAN MOTOR D10B4P90MS R01 800 116 SHAFT JOINT R01 E19 114 SIROCCO FAN T7W 35J 675 FAN GUARD R01 H08 202 ROOM TEMPERATURE THERMISTOR R01 30J 100 SHAFT OOOINIOIOAJRAJOINJ T7W 34J 67
50. W E08 713 REMOTE CONTROLLER PAR 21MAA 48 ELECTRICAL PARTS PCH P50GAH PCH P100GAH PCH P60GAH PCH P125GAH PCH P71GAH PCH P140GAH Q ty set Remarks Wiring Diagram 60 71 100 25140 Drawing Symbol GAH Parts No Parts Name Specifications R01 301 255 CAPACITOR 440V T7W 394 255 CAPACITOR AuF 440V R01 A13 255 CAPACITOR 64F 440V R01 E02 239 250V 6 3A T7W E40 310 INDOOR CONTROLLER BOARD T7W A14 716 TERMINAL BLOCK 3P LN T7W E23 716 TERMINAL BLOCK 51 52 53 T7W 512 716 TERMINAL BLOCK 2P 1 2 CONTROL BOX R01 E02 313 BOARD R01 71G 215 RELAY JC 1A DC12V CONTROL COVER BG02A804G27 CONTROL COVER BG02A804G28 CONTROL COVER BG02A804G29 T7W A00 305 REMOTE CONTROLLER CORD 10m T7W E08 713 REMOTE CONTROLLER PAR 21MAA BG00N015G32 h ee 49 14 RoHS PARTS LIST FAN AND HEATER PARTS PCH P50GAH PCA RP50GA PCA RP50GAH1 Q ty set Parts No Parts Name Specifications PCH P PCA RP 50GAH 50GA 50GA 1 R01 31J 130 MOTOR LEG 1 1 R01 18J 110 CASING R01 E16 114 SIROCCO FAN T7W 31J 675 FAN GUARD R01 08 202 ROOM TEMPERATURE THERMISTOR R01 45E 126 PIECE MOTOR R01 184 220
51. acuum pump oil 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 contamination such as sulfur hazardous for use oxides dirt shaving particles etc 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 during installation indoors and keep both ends of the piping sealed until just before brazing Leave elbow joints etc in their packaging Torque wrench Electronic refrigerant charging scale Keep the tools with care If dirt dust or moisture enter into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor If dirt dust or moisture enter into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor Use ester oil ether oil or alkylbenzene oil small amount as the refrigerant oil applied to flares and flange connections Do not use a charging cylinder If larg
52. al 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 and com pares the received and transmitted data Abnormal if these data are judged to be different 30 continuous times Error code E5 2 remote controllers set as main In case of 2 remote con trollers Remote controller is connected with 2 indoor units or more Repetition of refrigerant address Defective transmitting receiving circuit of remote controller O Defective transmitting receiving circuit of indoor controller board Noise has entered into trans mission wire of remote control ler 24 Q Set a remote controller to main and the other to sub Remote controller is connected with only one indoor unit The address changes to a separate setting 0 60 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 NG is displayed replace remote controller c When RC E3 or ERC 00 66 is dis played noise may be causing abnormal ity Error Code Abnornal point and detection method Cause Countermeasure Indoor outdoor unit communication error Signal receiving error Abnormal if indoor controller board cannot receive an
53. ata display area amp ue D Request code display area PIFI LL Ji TEMP D Mu L 8 71453038 OMENU hall C 2 238644 TEST Gs 21 GEN 1 Stop 0 2 Press the TEST button for 3 seconds so that Maintenance mode appears on the screen After a while 00 appears in the refrigerant address number display area at 8 Press the CHECK button for seconds to switch to Maintenance monitor Note It is not possible to switch to Maintenance monitor during data request in maintenance mode i e while is blinking since no buttons are operative appears on the screen O when Maintenance monitor is activated The display now allows you to set a request code No Press the TEMP m buttons s to select the desired refrigerant address Press the CLOCK _ and A buttons to set the desired request code No 311 318 321 324 Press the FILTER button 6 to perform function setting If above setting operations are done correctly Request code number will appear in data display Example When the 311 of Request code number is set 311 appears on the Refererence Yo can check current request code number setting by setting the request code number 310 or
54. ause the lubricant deterioration Store the piping to be used during installation indoors with keep both ends sealed until just before brazing Store elbows and other joints in a plastic bag If dust dirt or water enters the refrigerant cycle deterioration of the oil and compressor trouble may result Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refrigerant cycle and cause the lubricant deterioration Ventilate the room if refrigerant leaks during operation If refrigerant comes into contact with a flame poisonous gases will be released Use ESTER ETHER or HAB as the lubricant to coat flares and flange connection parts If large amount of mineral oil enter that can cause deterioration of refrigerant oil etc 1 Cautions for service After recovering the all refrigerant in the unit proceed to working Do not release refrigerant in the air After completing the repair service recharge the cycle with the specified amount of liquid refrigerant 2 Refrigerant recharging 1 Refrigerant recharging process ODirect charging from the cylinder R407C cylinder are available on the market has syphon pipe Leave the syphon pipe cylinder standing and recharge it By liquid refrigerant Gravimeter 2 Recharge in refrigerant leakage case After recovering the all refrigerant in the unit proce
55. ck drain function Check the setting of lead wire of drain sensor and check clogs of the filter Replace indoor controller board if drain pump operates with the line of drain sensor connector CN31 0 and is short circuited and abnormality reappears Refer to 10 6 Turn the power off and on again to operate after check Error Code Abnormal point and detection method Cause Countermeasure Freezing overheating protection is work ing O Freezing protection Cooling mode The unit is in 6 minute resume preven tion mode if pipe lt liquid or condenser evaporator gt temperature stays under 15 for 3 minutes 3 minutes after the compressor started Abnormal if it stays under 15 C for minutes again within 16 minutes after 6 minute resume pre vention mode Overheating protection Heating mode The units is in 6 minute resume prevention mode if pipe condenser evaporator temperature is detected as over 70 C after the compressor started Abnormal if the temperature of over 70 C is detected again within 30 minutes after 6 minute resume prevention mode Cooling or drying mode Q Clogged filter reduced airflow Short cycle of air path Low load low temperature operation out of the tolerance range Defective indoor fan motor Fan motor is defective Indoor controller board is defec tive Defective outdoor fan control Overcharge of refrigerant O Defective refrig
56. deg Except defrosting When pipe liquid temperature or room temperature is short open temperature During drain pomp operation Defective thermistor characteristics Contact failure of connector CN31 on the indoor controller board Insert failure Breaking of wire or contact failure of drain sensor wiring Defective indoor controller board 0 9 Check resistance value of thermistor Check contact failure of connector CN31 on the indoor controller board Refer to 10 6 Turn the power on again and check restart after inserting connector again Replace indoor controller board if drain pump operates with the line of drain sensor connector CN31 0 and is short circuited and abnormality reappears Turn the power off and on again to operate after check Malfunction of drain pump DP Suspensive abnormality if thermistor of drain sensor is let heat itself and temperature rises slightly Compressor and indoor fan will be turned off Drain pomp is abnormal if the condition above is detected during suspensive abnormality Constantly detected during drain pump operation Malfunction of drain pump Defective drain Clogged drain pump Clogged drain pipe Attached drop of water at the drain sensor Drops of drain trickles from lead wire Clogged filter is causing wave of drain Defective indoor controller board 22 D Check if drain up machine works Che
57. e amount of mineral oil enter 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 collecting 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 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant Specifications Gauge manifold for R410A Use the existing fitting specifications UNF1 2 Use high tension side pressure of 5 3MPa G or over Charge hose Only for R410A
58. e display of remote controller Check the indoor liquid pipe temperature display of outdoor controller board 10 3 TROUBLESHOOTING BY INFERIOR Note Refer to the manual of outdoor unit for the detail of remote Phenomena controller Cause Countermeasure 1 LED2 on indoor controller board is off When LED1 on indoor controller board is also off Power supply of rated voltage is not supplied to out door unit Defective outdoor controller circuit board Power supply of 220 240V is not supplied to indoor unit Defective indoor power board Defective indoor controller board For the separate indoor outdoor unit power sup ply system Power supply of 220 240V is not supplied to indoor unit The connectors of the optional replacement kit are not used Defective indoor controller board Defective indoor power board Check the voltage of outdoor power supply terminal block L N or L3 N When AC 220 240V is not detected Check the power wiring to outdoor unit and the breaker When AC 220 240V is detected Check below Check the voltage between outdoor terminal block S1 and S2 When AC 220 240V is not detected Check the fuse on outdoor controller cir cuit board Check the wiring connection When AC 220 240V is detected Check below Check the voltage between indoor terminal block S1 and S2 When A
59. ed Conduct troubleshooting and ascertain the cause of the trouble according to TROUBLESHOOTING BY INFERIOR PHENOMENA 10 3 The trouble 1 not reoccurring 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 and wiring related GReset error code logs and restart the unit after finishing service GThere is no abnormality in electrical components controller boards and remote controller Not logged 21 the abnormal symptom ldentify the cause of the trouble and take a corrective action according to TROUBLESHOOTING BY INFERIOR PHENOMENA 10 3 Continue to operate unit for the time being if the cause is not ascertained There is no abnormality in electrical components controller boards remote controller etc 10 2 SELF DIAGNOSIS ACTION TABLE Error Code Abnormal point and detection method Note Refer to the manual of outdoor unit for the details of display Cause such as F U and other E Countermeasure Room temperature thermistor TH1 O The unit is in 3 minute resume prevention mode if short open of thermistor is detected Abnormal if the unit does not reset normally after 3 min utes The unit returns to normal opera tion
60. ed to working Do not release the refrigerant in the air After completing the repair service recharge the cycle with the specified amount of liquid refrigerant 3 Service tools Use the below service tools as exclusive tools for R407C refrigerant Tool name Specifications Gauge manifold Only for R407C Use the existing fitting SPECIFICATIONS UNF7 16 Use high tension side pressure of 3 43 or over Charge hose Only for R407C Use pressure performance of 5 10MPa G or over Electronic scale Gas leak detector Use the detector for R134a or R407C Adapter for reverse flow check Attach on vacuum pump Refrigerant charge base Refrigerant cylinder For R407C Top of cylinder Brown Cylinder with syphon Refrigerant recovery equipment CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilising refrigerant R410A 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 For RP60 71VHA3 and RP100 125 140 be sure to perform replacement operation before test run 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 V
61. er panel 1 Remove the air intake grille See the figure 1 Photo 7 2 Remove the beam Remove the side panel right and left See the figure 3 Remove the 9 screws of the under panel then remove the under panel Weight of the under panel approx 2kg 38 OPERATING PROCEDURE PHOTOS 9 Removing the drain pan Photo 8 1 Remove the air intake grille See the figure 1 2 Remove the beam 3 Remove the side panels of right and left See the figure 3 4 Remove the under panel Remove the screws of the right and left side drain pan 5 Remove the 2 insulations in centre of the drain pan and after removing the 2 screws remove the drain pan Note Please aware that there might be drain left in the drain pan when you remove the drain pump option Screw Drain pan Screw Insulation Removing the guide vane Remove the intake grille See the figure 1 Remove the beam Remove the side panels on right and left See the figure 3 Remove the under panel See the photo 7 Remove the drain pan See the photo 8 Remove the screw from the guide vane then remove the guide vane pan Guide vane 11 Removing the Auto vane 1 Remove the intake grille See the figure 1 Photo 10 Remove the left side panel See the figure 3 Remove the left side box Remove the screw from the auto vane Slide the auto vane to the right side and pull the auto vane out 2 3 4 Remo
62. erant circuit clogs Heating mode Clogged filter reduced airflow Short cycle of air path G Over load high temperature operation out of the tolerance range Defective indoor fan motor Fan motor is defective Indoor controller board is defec tive Defective outdoor fan control Overcharge of refrigerant O Defective refrigerant circuit clogs Bypass circuit of outdoor unit is defective Cooling or drying mode O Check clogs of the filter Remove shields Refer to 10 6 Check outdoor fan motor 00 Check operating condition of refrigerant circuit Heating mode Check clogs of the filter Remove shields Refer to 10 6 Check outdoor fan motor Check operating condition of refrigerant circuit Pipe temperature lt Cooling mode gt 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 3 TH TH1 TH Lower temperature between liquid pipe temperature TH2 and condens er evaporator temperature TH5 TH1 Intake 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 abn
63. hermistor Ro 15k 396 Fixed number of B 3480 2 Rt 15exp 3480 aa 25 273 5 10C 20C 25C 30 C 40 C 15k 9 6k 6 3k 5 4k 4 3k 3 0k 10 6 TEST POINT DIAGRAM 10 6 1 Power board PCA RP50GA PCA RP50GA 1 PCA RP60GA PCA RP60GA 1 PCA RP71GA PCA RP71GA 1 PCA RP100GA PCA RP125GA PCA RP140GA PCA RP100GA 1 PCA RP125GA 1 PCA RP140GA 1 PCA RP50GAH PCA RP60GAH PCA RP71GAH PCA RP100GAH PCA RP125GAH PCA RP140GAH Resistance kQ 20 10 0 10 20 30 40 50 Temperature PCA RP50GA2 PCA RP50GA2 1 CN2S Connect to the indoor controller board CN2D Between to 12 6 13 7V DC PinO i S o E i Ib v AT En 39 5 Sh 170 3 o ELT 9179 1099578993 07178 cH 0179 o EF 80084358 S o gt xay y ivi ooo ESO e iC 208 om is O o eo 30 CNSK Connect to the indoor controller board CNDK Between to 220 240V 10 6 2 Indoor controller board PCA RP50 60 71 100 125 140GA PCA RP50 60 71 100 125 140GA 1 PCH P50 60 71 100 125 140GAH PCA RP50GA2 PCA RP50GA2 1 CN2D LED1 LED2 LED3 Connect to the indoor Power supply 1 Power supply R B Transmission Indoor CN3C power board CN2S outdoor Transmission Indoor 12 5 13 7 DC outdoor CN22 0 24V DC Co
64. if it has been reset normally Constantly detected during cooling drying and heating operation Short 90 C or more Open 40 or less Defective thermistor characteristics Contact failure of connector CN20 on the indoor controller board Insert failure Breaking of wire or contact failure of thermistor wiring Defective indoor controller board Check resistance value of thermistor OC 15 0kQ 10C 9 6kQ 20C 6 3kQ 30C 4 3kQ 40C 3 0kQ If you put force on draw or bend the lead wire with measuring resistance value of thermis tor breaking of wire or contact failure can be detected Check contact failure of connector CN20 on the indoor controller board Refer to 10 6 Turn the power on again and check restart after inserting connector again Check room temperature display on remote controller Replace indoor controller board if there is abnormal difference with actual room temperature Turn the power off and on again to operate after check Pipe temperature thermistor Liquid TH2 O The unit is in 3 minute resume prevention mode if short open of thermistor is detected Abnormal if the unit does not reset normally after 3 min utes The unit returns to normal opera tion if it has been reset normally Constantly detected during cooling drying and heating except defrosting operation Short 90 C or more Open 40 C or less Defective thermistor characteristics
65. ing the side panel 1 Remove the air intake grille See the figure 1 2 Remove the screw from the side panel and remove the side panel by sliding the panel to the front 37 Figure 3 Side panel Sliding the panel to the front OPERATING PROCEDURE PHOTOS 6 Removing the vane motor 1 Remove the air intake grille See the figure 1 Photos Soy 2 Remove the left side panel See the figure 3 Relay connector of the 3 Remove the relay connector of vane motor vane motor 4 5 Remove the electrical box Remove the screws of vane motor then remove vane motor Note Connect the lead wires and connectors properly and place them in the proper position so that the wires are not pinched by other parts Vane motor 7 Removing the Indoor coil thermistor 1 Remove the air intake grille See the figure 1 2 Remove the right side panel See the figure 3 3 Remove the relay connector of the pipe thermistor 4 Remove the screw and remove the check panel 5 Extract the indoor coil thermistor from the holder lt Caution for the installation gt There 15 a possibility for the short circuit when connector gets 2 wet by water through the thermistor lead wire Therefore lead wire of the indoor coil thermistor should be tied as shown in the photo 6 Left side A panel Photo 6 Photo 5 Relay connector of the pipe thermistor Hold Indoor coil thermistor 8 Removing the Und
66. nding temperature 20 C Motor terminal Normal or Abnormal A2 Relay connector 125 140 Protector OFF 130 5 C ON 80 20 Red Black 45 00 20 40 White Black 44 80 20 70 Open or short Vane motor Yellow Brown Blue 000 Yellow Blue Connector Abnormal 50GA2 60 71 Brown Yellow Brown Blue Red Orange Red Pink 186 214Q 140 1600 Open or short Normal Connector Abnormal 100 125 140 Red Yellow Red Blue Red Orange Red Pink 140 1600 Open or short Heater Only PCH Measure the resistance of each heater element with a tester At the ambient temperature 20 C Normal 50 60 71 100 125 140 Abnormal 13 70 9 10 7 10 6 40 Open or short 0 467kW 80V 0 7kW 80V 0 9kW 80V 1 0kW 80V Drain up mechanism Option Gray El E Gray Measure the resistance between the terminals with a tester Winding temperature 20 C Normal Abnormal 1950 Open or short Contactor Only PCH Measure the resistance between the terminals with a tester Normal Abnormal 50 140 Open or short 160Q lt Thermistor Characteristic graph gt lt Thermistor for lower temperature gt Room temperature thermistor TH1 Pipe temperature thermistor TH2 Condenser evaporator temperature Thermistor for lower temperature thermistor TH5 T
67. ng of wire or connec tion failure of connector Check Up down vane setting Unit function selection by remote controller Normal operation Each connector vane motor side is disconnected 4 Receiver for wireless remote controller Weak batteries of wireless remote controller Contact failure of connector CNB on wireless remote controller board Insert failure G Contact failure of connector CN90 on indoor con troller board Insert failure Contact failure of connector between wireless remote controller board and indoor controller board 27 Replace batteries of wireless remote con troller Check contact failure of each connector If no problems are found of connector replace indoor controller board When the same trouble occurs even if indoor controller board is replaced replace wireless remote controller board 10 4 When wired remote controller or indoor unit micro computer troubles 1 If there is not any other wrong when trouble occurs emergency operation starts as the indoor controller board switch SWE is set to ON During the emergency operation the indoor unit is as follows 1 Indoor fan high speed operation 2 Drain up machine operation Option 2 When emergency operating for COOL or HEAT setting of the switch SWE in the indoor controller board and outdoor unit emergency operation are necessary 3 Check items and notices as the emergency operation
68. nnect to the terminal block TB5 Remote controller connecting 2 wire 10 4 14 6V DC CN20 Room temperature thermistor TH1 CNOO WHTIG R i2 98220 ANN CNDK Connect to the indoor E d power board CNSK 220 240 E CN21 Pipe temperature thermistor Liquid TH2 8 E S o 2 PC23 c C215 o 4 1C42 o ROS o of i CN29 Condenser evaporator temperature thermistor TH5 OS FUSE 6 3 A 250 V O XD CN31 Drain sensor DS a CN90 Connect to the wireless remote controller board CNB CND Power supply input 220 240V AC CN6V Vane motor output MV CNP Drain pump output CN41 DP Connector HA terminal A 220 240 CN51 Centrally control CN24 Heater output 12V DC SWE Emergency operation CN2L Connector LOSSNAY 00000000 00000000 E s Fan motor output o E ora a 0 Jumper wire J41 442 SW2 SW1 Pair number setting with Capacity setting Model setting wireless remote controller 31 10 7 FUNCTIONS OF DIP SWITCH AND JUMPER WIRE Each function is controlled by the dip switch and the jumper wire on control p c board SW1 and SW2 are equipped only for service parts Model setting and capacity setting are memorized in
69. ntake temperature subtracted with liquid pipe temperature is detected to be less than 10 C for a total of 30 minutes When the drain sensor is detected to be NOT soaked in the water the detection record of a and b will be cleared The drain sensor detection is performed in operations other than cooling When the unit stops operating during heating or fan operation when the unit stops because of some abnormality Once the water leakage abnormality is detected abnormality state will not be released until the main power is reset Drain pump trouble Drain defective Drain pump clogging Drain pipe clogging Open circuit of drain sensor side heater Contact failure of drain sensor connector Dew condensation on drain sensor Drain water descends along lead wire Drain water waving due to filter clogging Extension piping connection difference at twin triple quadruple system Mis wiring of indoor outdoor connecting at twin triple quadruple system Room temperature thermistor liquid pipe temperature thermis tor detection is defective 25 O Check the drain pump Please confirm whether water can be drained Confirm the resistance of the drain sensor Check the connector contact failure Check the drain sensor leadwire mounted Check the filter clogging Check the piping connection Check the indoor outdoor connecting wires Check the room temperatur
70. ntroller has been prohib ited by a master controller al AUTOOFF Timer Is Off indicator Indicates that the timer is off Temperature Setting Shows the target temperature Caution Only the Power on indicator lights when the unit is stopped and power supplied to the unit Comes on when it is time to clean the filter Timer indicators The indicator comes on if the corre sponding timer is set Fan Speed indicator Shows the selected fan speed Up Down Air Direction indica tor Room Temperature display The indicator N shows the direc tion of the outcoming airflow Shows the room temperature Ventilation indicator Louver display Appears when the unit is running in Ventilation mode One Hour Only indicator Displayed if the airflow is set to weak and downward during COOL or DRY mode Operation varies according to model The indicator goes off after one hour at which time the airflow di rection also changes Indicates the action of the swing louver Does not appear if the louver is stationary Power On indicator Indicates that the power is on If you press a button for a feature that is not installed at the indoor unit the remote controller will display the Not Available message If you are using the remote controller
71. ontroller board type For product Service parts 32 11 SPECIAL FUNCTION 11 1 ROTATION FUNCTION AND BACK UP FUNCTION 2ND STAGE CUT IN FUNCTION For PCA RP50 60 71 100 125 140GA 1 PCA RP50GA2 1 11 1 1 Operation 1 Rotation function and Back up function Outline of functions Main and sub unit operate alternately according to the interval of rotation setting Main and sub unit should be set by refrigerant address Outdoor Dip switch setting Refrigerant address 00 gt Main unit Refrigerant address 01 5 Sub unit When error occurrs to one unit another unit will start operation Back up function System constraint This function is available only by the grouping control system INDOOR UNIT OUTDOOR UNIT 1 1 of 2 refrigerant groups Refer to Fig 1 Main indoor unit should be connected for wired remote controller and the transmission line TB5 for main and sub unit should also be connected Refer to Fig 1 This function cannot be set by wireless remote controller Set refrigerant address of each unit Dip switch on the outdoor unit Refrigerant address 00 01 Operation pattern Fig 1 Refrigerant address Refrigerant address i Back up function only Request code number 312 Error occurs on main unit Start operation Main Sub Main unit Rotation function amp Back up function Request code number 313 318 Error occurs on
72. ormal 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 lt excludes the period of defrosting Detection restarts when defrosting mode 1 over Heating range 3 TH5 TH1 O Slight temperature difference between indoor room temperature and pipe lt liquid or condenser evaporator gt temperature thermistor Shortage of refrigerant Disconnected holder of pipe lt liquid or condenser evaporator gt 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 lt condenser evaporator gt temperature thermistor Stop valve is not opened completely Check pipe liquid or condenser evapo rator gt temperature with room tempera ture display on remote controller and outdoor controller circuit board Pipe lt liquid or condenser evaporator gt temperature display is indicated by set ting SW2 of outdoor controller circuit board as follows controller circuit board after connecting Conduct temperature check with outdoor A Control Service Tool PAC SK52ST Check converse connection of extension pipe or converse wiring of indoor outdoor unit connecting wire Error
73. ow Medium2 Medium1 High 40 41 43 45 Unit drain pipe 1 0 26 1 Dimensions 1 310 51 9 16 680 26 3 4 270 10 5 8 Weight Service Ref Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 0 22 0 22 Running current 1 01 1 01 Starting current 2 20 2 20 External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil E z 5 oc o z INDOOR UNIT Fan Fan drive x No Sirocco fan direct x 4 Fan motor output kW 0 150 Airflow Low Medium2 Medium1 High m min CFM 27 30 32 34 955 1 060 1 130 1 200 External static pressure Pa mmAq O direct blow Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Medium1 High dB 41 43 45 46 Unit drain pipe 1 0 mm in 26 1 Dimensions mm in 1 620 63 3 4 mm in 680 26 3 4 mm in 270 10 5 8 Weight Service Ref ka lbs 43 95 PCA RP140GA PCA RP140GA 1 Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 0 22 0 22 Running current 1 01 1 01 Starting current 2 20 2 20 External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 4
74. t board If there is extreme difference with actual pipe condenser evaporator temperature replace indoor controller board There is no abnormality if none of above comes within the unit Turn the power off and on again to operate In case of checking pipe temperature with outdoor controller circuit board be sure to connect A control service tool PAC SK52ST Remote controller transmission error EO signal receiving error E4 Abnormal if main or sub remote con troller cannot receive any transmission normally 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 any data normally 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 Contact failure at transmission wire of remote controller 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 Miswiring of remote controller Defective transmitting receiving circuit of remote controller O Defective transmitting receiving circuit of indoor controller board of refrigerant addresses 0
75. tions by wired remote controller Maintenance monitor NOTICE Both main and sub unit should be set in same setting Every time replacing indoor controller board for servicing the function should be set again 1 Request Code List Rotation setting Setting No Initial Request code Setting contents 510 Monitoring the request code of current setting 81 Rotation and Back up OFF Normal group control operation 513 Back up function only 513 Rotation ON Alternating interval 1day and back up function 515 Rotation ON Alternating interval 5day and back up function 516 Rotation ON Alternating interval 7day and back up function 519 Rotation ON Alternating interval 14day and back up function 518 Rotation ON Alternating interval 28day and back up function 514 Rotation ON Alternating interval 3day and back up function 2nd stage cut in setting Setting No Initial Request code Setting contents 520 Monitoring the request code of current setting SS 321 Cut in function OFF 25 Cut in Function ON Set point Set temp 4 C 7 2 F aM 525 Cut in Function ON Set point Set temp 6 10 8 323 Cut in Function ON Set point Set temp 8 C 14 4 F 34 2 Setting method of each function by wired remote controller a MITSUBISHI ELECTRIC 5 Refrigerant address E Eee C D
76. ugh 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 controller board Abnormal if data cannot be read normally from the nonvolatile memory of the indoor controller board O Defective indoor controller board Replace indoor controller board Remote controller control board Q Abnormal if data cannot be read nor mally from the nonvolatile memory of the remote controller control board Error code E1 Abnormal if the clock function of remote controller cannot be operated normally Error code E2 O Defective remote controller Replace remote controller Forced compressor stop due to water leakage abnormality When the intake temperature subtracted with liquid pipe temperature is less than 10 C drain sensor is detected whether it is soaked in the water not at the interval of 90 seconds Drain pump will start operating when the drain sensor is detected to be Soaked in the water The unit has a water leakage abnormality when the following conditions a and b are satisfied while the above mentioned detection is performed The drain sensor is detected to be Soaked in the water 10 times in a row b The i
77. ve the under panel 5 6 Auto vane 39 OPERATING PROCEDURE PHOTOS 12 Removing the electric heater PCH only Photo 11 1 Remove the air intake grille See the figure 1 2 Remove the beam 3 Remove the electrical box cover and disconnect the con nector 6P red of the heater Loosen 2 clamps for the heater lead wires Remove the side panel right and left See the figure 3 Remove the under panel See the photo 7 Remove the drain pan See the photo 8 Remove the 3 screws from the service panel Pull out the heater with the service panel Service Connector panel heater Electrical box 13 Removing the heat exchanger Photo 12 1 Remove the air intake grille See the figure 1 2 Remove the beam 3 Remove the side panel right and left See the figure 3 4 Disconnect the relay connector of the pipe thermistor 5 Remove the under panel See the photo 7 6 Remove the drain pan See the photo 8 7 Unscrew the screw of the pipe cover and remove the pipe cover 8 Unscrew the screw of the pipe support and remove the pipe support 9 Unscrew the screw of the heat exchanger and remove the heat exchanger Remove the heat exchanger with care Since this is quite heavy removing work should be done with more than 2 Screws Heat people Fig over exchanger Weight of heat exchanger approx 5 3kg 40 13 PARTS LIST
78. x1 0 22 0 22 2 76 Running current x1 1 01 1 01 lt 12 00 gt Starting current x1 2 20 2 20 lt 12 00 gt External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 4 Fan motor output kW 0 150 Airflow Low Medium2 Medium1 High m min CFM 27 30 32 34 955 1 060 1 130 1 200 External static pressure Pa mmAg O direct blow Booster heater lt 2 76 gt Operation control amp Thermostat Remote controller amp built in Noise level Low Medium2 Medium 1 High 41 43 45 46 Unit drain pipe 1 0 26 1 Dimensions 1 620 63 3 4 680 26 3 4 270 10 5 8 Weight Service Ref 46 101 PCH P140GAH Mode Cooling Heating Power supply phase cycle voltage Single phase 50Hz 230V Input 31 0 22 0 22 lt 2 76 gt Running current 1 1 01 1 01 lt 12 00 gt Starting current 3 1 2 20 2 20 lt 12 00 gt External finish Munsell 0 70Y 8 59 0 97 Heat exchanger Plate fin coil Fan Fan drive x No Sirocco fan direct x 4 Fan motor output kW 0 150 Airflow Low Medium2 Medium1 High m min CFM 27 30 32 34 955 1 060 1 130 1 200 External static pressure O direct blow Booster heater x1 lt 2 76 gt Operation control amp Thermostat Remote controller
79. y signal normally for 6 minutes after turning the power on Abnormal if indoor controller board cannot receive any signal normally for 3 minutes Consider the unit abnormal under the fol lowing condition When 2 or more indoor units are connected to an outdoor unit indoor controller board cannot 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 receiving circuit of indoor controller board Defective transmitting receiving circuit of indoor controller board Noise has entered into indoor outdoor unit connecting wire Check LED display on the outdoor control circuit board Connect A control service tool PAC SK52ST Refer to outdoor unit service manual D Check disconnection or looseness of indoor outdoor unit connecting wire of indoor unit or outdoor unit Check all the units in case of twin triple indoor unit system 0 0 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 indoor unit system Indoor outdoor unit communication error Transmitting error Abnormal if 1 receiving is detected 30 times continuously tho

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