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SERVICE MANUAL

1. 69 HOW TO REPLACE THE MAIN 93 EXPLODED VIEWS AND PARTS 109 FILE NO SVM 13070 1 SAFETY PRECAUTIONS Installing staring up and servicing air conditioning equipment can be hazardous due to system pressures electrical components and equipment location roofs elevated structures etc Only trained qualified installers and service mechanics should install start up and service this equipment Untrained personnel can perform basic maintenance functions such as cleaning coils All other operations should be performed by trained service personnel When working on the equipment observe precautions in the literature and on tags stickers and labels attached to the equipment Follow all safety codes Wear safety glasses and work gloves Keep quenching cloth and fire extinguisher near by when brazing Use care in handling rigging and setting bulky equipment Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit Consult local building codes and National Electrical Code NEC for special requirements Recognize safety information This is the safety alert symbol A When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand these signal words DANGER WA
2. Outdoor temperature sensor Disconnect the connector and measure resistance value with the tester TO discharge temperature Normal temperature sensor TD suction outdoor heat exchanger temperature sensor TE 100 OIE x 20 7 Tr 95 s _90 FILE NO SVM 13070 11 8 5 Checking Method for Each Part Part name Electrolytic capacitor For boost smoothing Checking procedure Turn OFF the power supply breaker Discharge all three capacitors completely Check that safety valve at the bottom of capacitor is not broken Check that vessel is not swollen or exploded Check that electrolytic liquid does not blow off Check that the normal charging characteristics are shown in continuity test by the tester Case that product is good Pointer swings once and returns slowly When performing test once again under MCC 5009 another polarity the pointer should return Soldered surface Heat sink IGBT side C12 C13 C14 15 17EA Series 500uF 400V 22EA Series 760uF 400V Diode block 1 Turn OFF the power supply breaker 2 Completely discharge the four electrolytic capacitors 3 Remove the diode block from the P C board which is soldered in place 4 Use a multimeter with a pointer to test the continuity and check that the diode block has the proper rectification characteristics Tester rod Resistance value in good product 10 to 20 2 wh
3. M WB 4 5 42 5 43 5 42 0 3 Fan speed M L x 3 4 L 427 915 4 Fan speed L x 2 4 L 2 0 1 0 5 Fan speed L x 1 4 1 0 0 5 Linear approximation from M and L Table 1 Indoor fan air flow rate d RAS UL RAS 17EKV UL RAS 22EKV UL an speed cooL HEAT level C speed Air flow rate Fan speed Air flow rate rpm cfm m3 h rpm cfm m3 h 583 991 648 1101 583 991 648 1101 577 980 648 1101 563 957 635 1079 505 858 570 968 479 813 531 902 446 758 505 858 374 636 420 713 355 603 394 669 348 591 387 658 322 547 361 614 322 547 322 547 290 492 290 492 191 325 191 325 191 325 191 325 zd FILE NO SVM 13070 Operation applicable etc Description 2 Indoor fan lt ln heating operation gt 1 When setting the fan speed to L motor control L M M or H on the remote controller the operation is per formed with the constant speed HEAT ON shown in Fig 3 and Table 1 2 When setting the fan speed to AUTO on the remote controller Fan speed setup MANUAL revolution of the fan motor is controlled to the fan speed level shown in Fig 5 according to the set Indication Fan speed temperature and room temperature W8 3 Min air flow rate is controlled by temperature of the indoor heat L 2 exchanger Tc as shown in Fig 4 WA
4. I 0 51212158 5 5 5 2 5 5 35 5 Se 312 g 2 o Outdoor Cooling Heating 0 F 115 F 18 C 46 C 4 F 75 F 20 C 24 C The specifications may be subject to change without notice for purpose of improvement A ae FILE SVM 13070 1 2 2 Operation Characteristic Curve lt Heating gt lt Cooling gt 13 00 13 00 RAS 22EKV UL 11 00 2 gt e e lt RAS 15EKV UL 1ueuno 0 00 110 120 0 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 110 120 0 Compressor Speed RPS Compressor Speed RPS 2 3 Capacity Variation Ratio According to Temperature lt Heating gt lt Cooling gt 120 n meg _ _ 100 mE maman am 15EKV RAS RAS 17EKV UL RAS 15EKV UL RAS 17EKV UL RAS 22EKV UL DB21 1 C WB15 6 C Condition Ayoeden Indoor Air Flow High Pipe Length 16 ft 5m Voltage 230V 4 4 40 DB26 7 C WB19 4 C Indoor DB80 F WB67 F Indoor Air Flow Volume High O 0 E 2 5 Capacity Ratio 100 20 18000 Btu h RAS 15EKV UL 20200 Btu h RAS 17EKV UL 22EKV UL 23200 Btu h RAS 22bEKV UL 15000 Btu h RAS 15EKV UL 16200
5. 1 The control target temperature lt Cooling operation gt increase 1 0 F 0 5 C per hour This function operates the air conditioner with the difference up to 3 5 F 2 C starting from the between the set and the room temperature as shown in the set temperature when ECONO following figure has been received 2 The indoor fan speed is depend on presetting and can change every speed after setting operation 3 The compressor speed is controlled as shown in the left figure Room temp Set temp Sin E c The indoor fan speed is not controlled and can be selected during the ECO operation o s x DRY max COOL min 6 x 5 COOL min DRY max COOL min 6 x 4 COOL min DRY max COOL min 6 x 3 COOL min DRY max COOL min 6 x 2 COOL min DRY max COOL min 6 x 1 COOL min lt Heating Operation gt lt Heating operation gt 1 The difference of room temperature and set temperature are separated in to A zone B zone and C zone Three zone will changed again 30 minutes after ECO operation start 2 The compressor speed is controlled as shown on the table 3 The indoor fan speed is not controlled and can be selected during the ECO operation C9 e oo ooo Room temp Set temp ECO Start 30 minutes FILE SVM 13070 Operation flow and applicable data etc Description 10 Temporary Pressing
6. 2 rm rm 3 1 16 78 2 13 16 72 2 13 16 72 3 1 16 78 U j 5 Knockout for bottom rightward piping Installation plate hanger bred 2 3 16 56 3 4 19 f 10 9 278 7 9 200 8 7 222 7 9 200 _ 5 9 150 2 132 em em 222 200 150 Wireless remote controller ih 5 3 00 n 00 il Conduit hole 7 8 22 hole pi Drain hose 19 11 16 0 5m 20 7 525 2 15 32 63 31 32 26 n 2 NO Remote controller holder Connecting pipe 15 5 16 0 39m Connecting pipe 19 9 32 0 49m Flare 21 2 12 70 Flare 1 4 6 35 3 11 32 85 30 15 16 786 1 23 9 1 4 235 9 1 4 235 8 7 16 215 8 7 16 215 215 219 For stud bold 2 1 4 6 Minimum Hanger For stud bold 05 16 8 13 32 10 k Outline of indoor unit Mini Minimum 9 Tou Tow N abl 4 6 11 16 170 more 5 EIE THA e Nm i lt Ru v Hanger N Center line Hanger e e 9 16 47 __ 8 15 32 215 5 10 5 16 262 5 10 5 16 262 5 _ 6 1 32 154 4 9 32 109 Installation plate outline 17 4 2 Outdoor Unit FILE NO SVM 13070 2 Unit Inch mm 1 25 Water Drain Outlet 4 1 4 108 _14 15 16 125 23 5 8 600 1 31 32 50 Bios 1 27 64 36 R15 gu 9 Al 1 4 H
7. NOTE a H cit Cross flow fan TA 95 9 661 20m g Min 6 69 2m idi i 2 S Chargeless 50ft 15m Deoxidized copper pipe 5 I Outer dia 1 4 in 6 36mm 255 Charge TI Thickness 1 32 in 0 8mm lt Sectional shape lt of heat insulator C C t SS Strainer Muffler i Pulse Modulating valve Muffler at liquid side High pressure SW lt TD Compressor DA150A1F 20F1 __ lt TS Fusible Plug Outdoor heat Split capillary 2 dia 1 2 x 80 rA OU E SOOT PES Distributor C lt qs Propeller fan Refrigerant amount 3 09 Ibs 1 400 OUTDOOR UNIT NOTE m Gas leak check position Refrigerant flow Cooling Refrigerant flow Heating The maximum pipe length of this air conditioner is 66 ft 20m When the pipe length exceeds 50 ft 15m the additional charging of refrigerant 0 22 oz ft 20g per 1m for the part of pipe exceeded 50 ft 15m is required Max 0 22 Ibs 100g 23 FILE NO SVM 13070 7 2 Operation Data lt Cooling gt Tempeature Modelname Standard Heat exchanger Indoor Outdoor Compressor condition F C RAS pressure pipe temp fan mode fan mode revolution psi MPa T1 F C T2 F rps
8. o o Tighten Prmly but Terminal not over 0 12 0 01 kgf m Control wire through out position Fig 10 4 11 For remote controller 1 2 10 61 Remove cover of remote controller by sliding down and taking it out If batteries are installed please take them out Do not install batteries for hard wire installation With the help of a screwdriver hreak the polyester sheet as shown on figure 7 Insert control wire from rear side of the remote controller as shown in figure 8 With the provided screws tighten the control wire to the aremote control terminal as shown in figure 10 tightening btorque not to exceed 0 25 N m 0 03 kgtk m Wire specifications are shown in figure 9 Route the control wire through the gutter way at the rear side of remote controller as shown on figure 17 Fix provided screw 21 3 1 x 16L to the wall to hang remote controller as shown figure 12 Mark and arrange a hole to fix the battery cover screw 3 1 x 25L as shown in figure 2 Fix the battery cover to the remote controller and wall with the provided screw 3 1 x 251 as shown in figure 43 tighten firmly but not over 0 15 N m 0 02 kgf m Put back the remote controller cover ce 10 Wire size 28 22 AWG 0 08 0 32 mm Outer diameter not over 4 7 mm control wire length 30 m or less Control wire Terminal Tighten f
9. eM p Ionuoo A W d q Y Ionuoo 0 009 10108 IOnuoo uej JOOPINO JO9 OP JUBUND J9AO 199 0 009 ndul siseuju s Now god 600SOOW cac ener RP NECEM EN EP MR 2018 SION Josu s dw JeBueuoxe 1e9H Josues duiej uonons Josues JoopjnO Josues duu oBJeuosiq K gt J00pu 09 1 022 802 1 LINN HOOQNI 404 26 FILE NO SVM 13070 9 OPERATION DESCRIPTION 9 1 Outline of Air Conditioner Control This air conditioner is a capacity variable type air conditioner which uses DC motor for the indoor fan motor and the outdoor fan motor And the capacity proportional control compressor which can change the motor speed in the range from 11 to 120 rps is mounted The DC motor drive circuit is mounted to the indoor unit The compressor and the inverter to control fan motor are mounted to the outdoor unit The entire air conditioner is mainly controlled by the indoor unit controller The indoor unit controller drives the indoor fan motor based upon command sent from the remote controller and transfers the operation command to th
10. Defrost operation function 29 FILE NO SVM 13070 Item Operation flow and applicable data etc 1 Basic operation 2 Cooling Heating operation The operations are performed in the following parts by controls according to cooling heating conditions 1 Receiving the operation ON signal of the remote controller the cooling or heating operation signal starts being transferred form the indoor controller to the outdoor unit 2 At the indoor unit side the indoor fan is operated according to the contents of 2 Indoor fan motor control and the louver according to the contents of 9 Louver control respectively 3 The outdoor unit controls the outdoor fan motor compressor pulse Modulating valve and 4 way valve according to the operation signal sent from the indoor unit Operation ON Setup of remote controller Y Indoor unit control Control Requierment Indoor fan motor control Louver control Operation Hz sss Sending of operation command signal Outdoor unit control Compressor revolution control Outdoor fan motor control Operation Hz control Include limit control 4 way valve control In cooling operation ON In heating operation OFF Pulse Modulating valve control 3 AUTO operation Selection of operation mode As shown in the following figure the operation starts by selecting automatically the st
11. Fan Motor Starting Control Processing Temperature Processing 1 1 Louver Motor Drive Control 1 Indoor Fan lt Motor Control Louver Motor Timer Serial Signal Communication Power Supply Circuit Converter D C circuit Noise Filter From Outdoor Unit 208 230 1 60 REMOTE CONTROLLER Clean Function Serial Signal Transmitter Receiver Serial Signal Communication Operation Command and Information Remote Controller Operation 5 Operation Mode Selection AUTO COOL DRY HEAT FAN Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver AUTO Swing Louver Direction Setting ECO Hi POWER COMFORT SLEEP QUIET SLEEP 1 3 5 9 OFF TIMER Indoor Fan Motor Infrared Rays 36 7kHz FILE NO SVM 13070 8 2 Outdoor Unit Inverter Assembly Josseidwoy JoopinO LINN YOOGLNO HUN ONIN Y O IN IQON lt lt queuing 9D queuing 2v Josuos ZHAY jueuno Jomod Joopul o jeus
12. 12 3 Outdoor Unit Part name Common procedure Procedure 1 Detachment Wear gloves for this job Otherwise you may injure your hands on the parts etc 1 Stop operation of the air conditioner and turn off the main switch of the breaker for air conditioner 2 Remove the valve cover screw 3 pcs After removing screw remove the valve cover pulling it downward 3 Remove cord clamp screw 3 pcs and then remove connecting cable 4 Remove the upper cabinet screw 5 pcs After removing screws remove the upper cabinet pulling it upward 2 Attachment 1 Attach the upper cabinet screw 5 pcs 2 Perform cabling of connecting cable and attach the cord clamp Fix the cord clamp by tightening the screws screw 3 pcs fitting 2 concave parts of the cord clamp to each connecting cables 3 Attach the valve cover screw 3 pcs Insert the upper part into the square hole of the side cabinet set hook claws of the valve cover to square holes at two positions of the main unit and attach it pushing upward 101 FILE NO SVM 13070 Remarks UPPER CABINET wer COVER PACKED VALVE FILE NO SVM 13070 Part name Procedure Remarks Front cabinet 1 Detachment 1 Perform step 1 in 2 Remove the fixing screws screw 2 pcs used to secure the front cabinet and inverter cover the screws screw 3 pcs used to secure the front cabinet
13. 77 error is detected 1 Check power supply Rate 10 2 If the air conditioner repeat operates and stop with interval of approx 10 to 40 minutes Check protector hardware such as Hi Pressure switch Thermal Relay etc Check refrigerant amount packed valve opening and any possibility cause which may affect high temperature or high pressure 3 Check operation signal of the indoor unit by using diode Measure voltage at terminal block of the indoor unit between No 2 and No 3 or L2 and S If signal is varied 15 60V continuously replace inverter P C board If signal is not varied replace indoor P C board FILE NO SVM 13070 3 Block distinction Operation of diagnosis function Check Check Display Action and Judgment Block Cause of operation conditioner code code status flashing error Compressor does not rotate All OFF Flashes after Remove connecting lead wire of the Because of missed wiring error is detected compressor and operate again missed phase or shortage 4 times If outdoor fan does not operate or operation but stop after some period replace the inverter P C board If outdoor fan operates normally measure 3 Phase output of inverter P C board 150 270VAC at the connecting lead wire of compressor If 3 Phase output is abnormal replace inverter P C Board If 3 Phase output is normal measure resistance of compressor winding If winding is shortage repl
14. Fig 10 4 6 10 4 2 Wiring Connection How to connect the connecting cable Open the air inlet grille upward 2 Remove the screws securing the front panel 3 Slightly open the lower part of the front panel Inter connecting cable then pull the upper part of the front panel toward e poner you to remove it from the rear plate Fixing screw 4 Insert the conduit pipe according to the local codes M into the pipe hole on the wall 5 Remove the conduit mount by loosening the fixing screw Fig 10 4 7 6 Fix conduit pipe to conduit mount with the lock nut 7 Pull out the connecting wire through the conduit pipe Terminal cover and process the wire Fig 10 4 6 8 Take out the wire to the front and fix it to the terminal block Be careful not to mis wire Fig 10 4 8 9 Firmly tighten the terminal screws to prevent them from loosening Tightening torque 0 9 Ibf ft 1 2 N m After tightening pull the wires lightly to confirm that they of not move 10 Secure the connecting wire with the cord clamp 11 Fix the conduit mount back to the body by fixing a screw 12 Fix the front panel terminal cover and air inlet grille to the indoor unit NOTE Use stranded wire only Wire type minimum AWG14 Conduit pipe Fig 10 4 7 Cord clamp Terminal block Gr ound line Connecting cable Front panel Fig 10 4 8 60 FILE SVM 13070 2
15. NO NO YES Motor connection condition Tum Is it possible to detect DC 15V Then push 0 button eO ang Qo of on remote controller to stop motor connector flashing lamp on indoor unit Peplace main NO P C board Is it possible to detect DC 15V between 2 S and 3 of motor connector CN31 Change airflow level to HIGH Start to operate the posed bend Turn off indoor unit and At this time is it possible to remove connector from motor detect DC 1V or more between Then start to operate indoor 6 and 3 of motor unit with remote controller connector CN31 YES Start to operate the indoor unit in except heating operation At this time is it possible to ae between and of motor connector RS Check this condition within 15 seconds after starting unit 80 FILE NO SVM 13070 Is it possible to change airflow level to HIGH YES NO Does check display on remote show high Replace remote Change the new PC board Does fan speed change YES Replace motor Fan motor operates normally Is it possible to rotate cross flow fan by hand properly Does check cross flow Replace bearing fan bearing normal of cross f
16. To switch the TEST RUN COOL mode press RESET button for 10 seconds The beeper will make a short beep RESE RESET button Fig 10 7 2 FILE NO SVM 13070 2 10 7 3 Auto Restart Setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure The product was shipped with Auto Restart function in the ON position Turn it OFF if this function is not required 10 7 4 How to cancel the Auto Restart 1 Press and hold the RESET button on the indoor unit for 3 seconds to cancel the operation 3 beeps will sound but OPERATION lamp does not blink 2 Press and hold the RESET button on the indoor unit for 3 seconds to set the operation 3 beeps will sound and OPERATION lamp blink 5 time sec for 5 seconds Do not operate ON timer and OFF timer Note Default setting of auto restart operation is OK 10 7 5 Troubleshooting Check Point The unit does not operate Cooling or Heating is abnormally low The power main switch is The filters are blocked with dust turned off The temperature has been set The circuit breaker is tripped improperly Windows or doors are open The air inlet or outlet of the outdoor unit is blocked The fan speed is too low The operation mode is FAN or DRY ON timer is set 68 FILE SVM 13070 11 HOW TO DIAGNOSE THE T
17. _ 89 FILE NO SVM 13070 11 8 3 Indoor Unit Other Parts Part name Checking procedure Room temp TA sensor Disconnect the connector and measure the resistance value with tester Heat exchanger TC sensor Normal temp Remote controller Refer to 11 5 1 5 Louver motor Measure the resistance value of each winding coil by using the tester MSBPC20F04 Under normal temp 25 C Position Resistance value 250 202 Yalow Indoor fan motor Refer to 11 5 1 3 and 4 11 8 4 Outdoor Unit Part name Checking procedure Compressor Measure the resistance value of each winding by using the tester Model DA130A1F 27F1 Resistance value RAS 15 17EA Series Position 130A1F 27F1 DATSOATF 20F1 Model DA150A1F 20F1 Red White RAS 22EA Series White Black 0 92 to 1 020 0 88 to 0 980 Black Red at 20 C Outdoor fan motor Measure the resistance value of winding by using the tester Model ICF 340UA40 2 Red Red White 20 to 229 White Black 20 to 229 Black Red 20 to 220 at 20 C White Black 4 way valve coil Measure the resistance value of winding by using the tester Model STF 1435 1440 at 20 C Pulse motor valve coil Measure the resistance value of winding by using the tester Red White 42 to 509 White Orange 42 to 509 Brown Yellow 42 to 509 Brown Blue 42 to 509 at 20 C
18. 7 7 131 to 1 2 40 to 42 80 6 98 75 e yug 18119160 521055 0 to m m 26 7 19 4 35 23 9 0 910 1 1 111013 371039 i 5 13110 160 521055 40 to 42 17 13119 High High 62 0 9to 1 1 111013 421044 131 to 1 2 41104 oe T80 28215 58 pe High High 88 0 910 1 1 111013 421044 lt Heating gt Tempeature Model Standard Heat exchanger Indoor Outdoor Compressor condition F C RAS pressure pipe temp fan mode fanmode revolution Indoor Outdoor P psi MPa T1 F C T2 F C rps 7 47 4 2 102101 2 to 37 0 60 M3 39310 39 0210105 32to TR T 21 1 15 6 8 3 6 1 2 510 2 7 391041 0 to 3 77104 10610106 321036 7 19 308 E High High 82 26102 8 411043 0102 11610145 521055 10410 107 Hee Ts S High High 84 0 810 1 0 111013 42 to 44 NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchaner path U bent Thermistor themometer 2 Connecting piping condition 25 ft 7 5m 24 8 1 Indoor Unit Heat Exchanger Sensor Tc Room Temperature Sensor Ta Infrared Rays Signal Receiver and Indication Clock Frequency Oscillator Circuit _ CONTROL BLOCK DIAGRAM Indoor Unit Control Unit FILE NO SVM 13070 Functions Cold draft preventing Function 3 minute Delay at Restart for Compressor
19. Avoid direct away from Replace reciver Replace Normal sunlight fluorescent light P C board batteries operation Replace remote controller 83 FILE NO SVM 13070 11 5 2 Wiring Failure Interconnecting and Serial Signal Wire 1 Outdoor unit does not operate 1 Is the voltage between and of the indoor terminal block varied Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the follow ing diagram NOTE Measurement should be performed 2 minutes and 30 seconds after starting of the operation Be sure to prepare a diode for judgment Terminal block at indoor side Red S5277G or equivalent S5277G Diode with rated voltage of 400V White 2 or more is acceptable 2 Terminal block Tester Normal time Voltage swings between DC15 and 60 Inverter Assembly check 11 5 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operation started Check procedure Select phenomena described below 1 The outdoor unit stops 10 to 20 minutes after operation started and 10 minutes or more are required to restart the unit Gas circulation amount is down Measure gas pressure Thermo operation of compressor Gas shortage Gas leak Pipe clogging 2 If the unit stops once it does not operate until the power will be turned on again
20. When the unit is standby Not operating Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds The unit starts to operate The green indicator is on After approx three seconds The unit beeps three times The green indicator flashes and continues to operate for 5 seconds If the unit is not required to operate at this time press RESET button once more or use the remote controller to turn it off RESET button When the unit is in operation Operation Motions Press RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds Ni The unit stops operating The green indicator is turned off 4 After approx three seconds The unit beeps three times The green indicator flashes for 5 seconds If the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on RESET button While the filter check indicator is on the RESET button has the function of filter reset betton 9 3 3 Power Failure During Timer Operation e f Timer operation is set and the power supply shut down accidentally the previous Timer setting will be cancelled Daily Timer operation will be not affected by power supply failure if the remote controller
21. of C14 with printed CAUTION HIGH VOLTAGE on P C board Discharging position Discharging period 10 seconds or more Plug of soldering iron FILE NO SVM 13070 Does outdoor fan NO operate normally YES Turn OFF power supply YES Does compresser operate normally NO Remove connector CN300 of outdoor fan motor NO Check winding resistance by ohmmeter are correct Check rotor locking by rotate Is norma with hand Can it rotate Turn OFF power YES supply Replace outdoor Replace control fan motor board Check compressor NO winding resistance correct YES Replace compressor Turn ON power supply Check voltage of the compressor connector is in rate AC150V 270V YES NO Replace Replace control compressor board _87 FILE SVM 13070 11 8 How to Check Simply the Main Parts 2 Inspection procedures 1 When a P C board is judged to be defective 11 8 1 How to check the P C board Indoor unit check for disconnection burning or discolora 1 Operating precautions tion of the copper foil pattern or this P C board 1 When removing the front panel or the PC 2 The P C board consists of the following 2 parts board be sure to shut off the power supply a Main P C board part breaker DC power supply circuit 5 V 12 V 2 When removing the P C board hold the edge Indoor fan motor con
22. 10 4 3 How to connect remote controller for wire operation gt Optional Indoor unit Control wire Remote controller Fig 10 4 9 lt For indoor unit gt 1 Open the air inlet grille upward 2 Remove the screws securing the front panel 3 Slightly open the lower part of the front panel then pull the upper part of the front toward you to remove it from the rear plate as shown in figure 1 4 After removing the front panel remove the screws and control board assembly from the unit as shown in figure 2 then open the front cover of control board assembly as shown in figure 3 5 Arrange the control wire as specified and shown in figure 4 6 Securely connect the control wire to the terminal of the control board as shown in figure 5 tighten firmly but not over 0 12 N m 0 01 kgf m 7 Route the wire along the bottom of the control board and through the opening of the casing Reassemble the control board assembly 8 Route the wire along with the power supply and connecting cable as shown on figure 6 9 Reassemble the indoor unit by reversing processes 1 to 3 Air inlet grille Control board assembly Control board 70 mm 4 Wire size 28 22AWG or 0 08 0 32 mm Outer diameter not over 4 7 mm control wire length 30 m or less Control wire out position ABT AE 2A VO Z7 WP 027 02 lt
23. 17 22EAV UL we So 708 709 1 TE Sensor O6 TS Sensor 06 TD Sensor 04 710 Location Part Location Part Description Description No No No No 704 43T62320 HEATSINK RAS 15 17EAV UL 43T60403 FUSE 43762331 HEATSINK RAS 22EAV UL 43150328 TEMPERATURE SENSOR 43T6V426 PC BOARD RAS 15EAV UL 43762313 BASE PLATE PC 43T6V427 PC BOARD RAS 17EAV UL 43750329 SENSOR HEAT EXCHANGER 43T6V428 PC BOARD RAS 22EAV UL 43150330 SENSOR HEAT EXCHANGER 43760404 TERMINAL 5P 43750331 SENSOR HEAT EXCHANGER 113 FILE NO 5 13070 13 6 P C Board Layout RAS 15 17 22EAV2 UL 1 TE Sensor 206 TS Sensor 06 707 5 TD Sensor 4 705 710 Location Part m Location Part EMI Description Description No No No No 704 43762320 HEATSINK RAS 15 17EAV2 UL 43160403 FUSE 43762331 HEATSINK RAS 22EAV2 UL 43150328 TEMPERATURE SENSOR 43T6V423 PC BOARD RAS 15EAV2 UL 43762313 BASE PLATE PC 43T6V424 PC BOARD RAS 17EAV2 UL 43750329 SENSOR HEAT EXCHANGER 43T6V425 PC BOARD RAS 22EAV2 UL 43150330 SENSOR HEAT EXCHANGER 43760404 TERMINAL 5P 43750331 SENSOR HEAT EXCHANGER 2414s TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK TIVANON ROAD TAM BOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND
24. 2 hours maximum 3 6 F 2 C increase For heating operation the set temperature will decrease TEMPORARY OPERATION In case of the misplaced or discharged remote control Pressing the RESET button the unit can start or stop without using the remote control Operation mode is set on AUTOMATIC operation preset temperature is 75 F 24 C and fan operation is automatic speed TIMER OPERATION Setting the ON Timer Setting the OFF Timer 1 Press Set the desired ON timer Press Set desired OFF timer 2 Press Set the timer Press Set the timer 3 Press Cancel the timer Press Everyday timer allows the user to set both the ON amp OFF timers and will be activated on a daily basis Setting Everyday Timer 1 Press Set the ON timer 3 Press T Press button during the f or 5 OFF 4 2 Press Set the OFF timer ark flashing During the every day timer is activation both arrows t amp are indicated Note Keep the remote control in accessible transmission to the indoor unit otherwise the time lag of up to 15 minutes will occur The setting will be saved for the next same operation 49 FILE SVM 13070 9 PRESET OPERATION Set your preferred operation for future use The setting will be memorized by the unit for future operation except air flow direction 1 Select your preferred operation 2 Press and ho
25. 5 Wing nut type 0 0591 to 0 0787 1 5 to 2 0 0 0315 0 8 0 to 0 0197 0 to 0 5 0 0394 to 0 0591 1 0 to 1 5 0 0591 to 0 0787 1 5 to 2 0 Nominal diameter in 0 0315 0 8 0 to 0 0197 0 to 0 5 0 0394 to 0 0591 1 0 to 1 5 Table 3 2 4 Dimensions related to flare processingf or R22 Outer diameter mm Thickness in mm 0 0315 0 8 A in mm 0 07874 to 0 0984 2 0 to 2 5 Flare tool for R22 clutch type 0 to 0 0197 0 to 0 5 Conventional flare tool Clutch type 0 0197 to 0 0394 0 5 to 1 0 Wing nut type 0 0394 to 0 0591 1 0 to 1 5 0 0315 0 8 0 to 0 0197 0 to 0 5 0 0197 to 0 0394 0 5 to 1 0 0 0394 to 0 0591 1 0 to 1 5 Nominal diameter in 0 0315 0 8 0 to 0 0197 0 to 0 5 0 0197 to 0 0394 0 5 to 1 0 Table 3 2 5 Flare and flare nut dimensions for Outer diameter mm Thic kness Dimension in mm 0 0591 to 0 0787 1 5 to 2 0 Flare nut width in mm 0 0315 0 8 B 0 358 9 1 0 362 9 2 C 0 256 6 5 0 512 13 in mm 0 669 17 0 0315 0 8 0 520 13 2 0 531 13 5 0 382 9 7 0 787 20 0 866 22 0 0315 0 8 0 630 16 0 0 653 16 6 11 0 508 12 9 0 906 23 1 024 26 Nominal diameter in Table 3 2 6 Flare and flare nut dimensions for R22
26. Btu h RAS 17EKV UL RAS Capacity Ratio 10096 21400 Btu h 50 10 23 32 41 C5 Outdoor Temperature F C 14 10 95 97 99 100 102 104 106 108 109 111 113115 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 91 93 90 5 0 15 20 Outdoor Temperature F C FILE NO SVM 13070 3 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or refrigerat ing oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the precautions for air conditioner using the new refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 3 1 Safety During Installation Servicing As R410A s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materi als exclusive for R410A it is necessary to carry out installation servicing safely while taking the following precautions into consideration 1 Never use
27. Indications on Remote Controller Display All indications except for the clock time indicator are displayed by pressing the button 1 Transmission mark This transmission mark indicates when the remote controller transmits signals to the indoor unit 2 Mode indicator Indicates the current operation mode A Automatic control xx Cool Dry Xx Heat Fan only 3 Temperature indicator Indicates the temperature setting 62 F to 86 F 17 C to 30 C 4 FAN speed indicator Indicates the selected fan speed AUTO or five fan speed levels LOW _ LOW L MED _ HIGH _ can be shown Indicates AUTO when the operating mode is either AUTO or Dry POWER SI rr 5 TIMER and clock time indicator The time setting for timer operation or the clock time is indicated The current time is always indicated except during TIMER operation 6 Hi POWER indicator Indicates when the Hi POWER operation starts Press the Hi POWER button to start and press it again to stop the operation 7 PRESET indicator Flashes for 3 seconds when the PRESET button is pressed during operation The mark is shown when holding down the button for more than 3 seconds while the mark is flashing Press another button to turn off the mark 8 ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press it again
28. Main P C Board _MCC 5045 CN11 BLK 20 SUCTION PIPE TEMP SENSOR QUTDOOR TEMP SENSOR CN601 2T 1 2 lt TEMP SENSOR z os es P CONDENSER PIPE TEMP SENSOR COLOR IDENTIFICATION BLK BLACK WHI WHITE BLU BLUE BRW BROWN RED RED ORN ORANGE GRY GRAY YEL YELLOW PUR PURPLE Color indication BRW BROWN YEL YELLOW BLK BLACK RED RED BLU BLUE WHI WHITE GRN 8 YEL GREEN amp YELLOW FILE NO SVM 13070 6 SPECIFICATIONS OF ELECTRICAL PARTS 6 1 Indoor Unit Pen e Seems Fan motor for indoor ICF 340U30 2 DC340V 30W Room temp sensor TA sensor 10kQ at 25 C Heat exchanger temp sensor TC sensor 10kQ at 25 C MSBPC20F04 Output Rated 1W 12 poles DC12V 6 2 Outdoor Unit mem Terminal block 5 s own NECI 15 17EA Series DA130A1F 27F1 Compressor 3 phases 4 poles 1100W 21 FILE NO SVM 13070 7 REFRIGERANT CYCLE DIAGRAM 7 1 Refrigerant Cycle Diagram RAS 15 17EKV UL RAS 15 17EAV UL RAS 15 17EKV UL RAS 15 17EAV2 UL v Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe dia 1 2 in 12 7mm Thickness 1 32 in 0 8mm INDOOR UNIT r 4 exchanger Temp measurement Indoor h
29. NOT BROKEN OR DISCONNECTED BEFORE INSTALLATION DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT OVERHEATION THE INDOOR UNIT AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEATERS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT R410A WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CYCLE BECOMES ABNORMALLY HIGH AND IT RESULTINGLY CAUSES BURST OF THE PIPE AND INJURIES ON PERSONS IN THE EVENT THAT THE REFRIGERANT LEAK DURING INSTALLATION WORK IMMEDIATELY ALLOW FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED BY FIRE OR SOMETHING ELSE IT CAUSE GENERATION OF POISONOUS GAS WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Before installing modifying or servicing system main electrical disconnect switch must be in the OFF position There may be more than 1 disconnect switch Lock out and tag switch with a suitable warning label Never modify this unit by removing any of the safety guards or bypassing any of the safety interlock switches Installation work must be purformed by qualified personnel only Specified tools an
30. RESET button starts the temporary opera operation tion of AUTO operation When keeping RESET button pressed for 10 seconds or more the temporary COOL operation is performed Filter lamp ON YES Press RESET button NO Temporary AUTO operation Did you press RESET button N NO for 3 seconds or more YES Did you press RESET button N YES for 10 seconds or more NO Set or Reset AUTO RESTART 11 Discharge temperature control Temporary COOL Operation Control operation Judges as an error and stops the compressor 243 F 117 C 233 F 112 C 226 F 108 C 221 F 105 C Reduce the compressor speed Reduce slowly compressor speed Keeps the compressor speed If the operation is performed with lower speed than one commanded by the serial signal speed is slowly raised up to the commanded speed 208 F 98 C Operates with speed commanded by the serial signal 39 1 When pressing RESET button the temporary AUTO operation starts 2 When keeping RESET button pressed for 3 seconds or more Pi Pi Pi sound is heard and AUTO RESTART control is changed 3 When keeping RESET button pressed for 10 seconds or more Pi sound is heard and the temporary COOL operation starts 4 If the filter lamp goes on press RESET button to go off the filter lamp and then press RESET button again 5 To stop the temporary operation press t
31. To item of Outdoor unit does not operate 3 The outdoor unit stops 10 minutes to 1 hour after operation started and an alarm is displayed Discharge temp error check code 03 1E Sensor temp error check code 02 1C Gas leak P M V is defective Miswiring of connecting wires of indoor outdoor units Refer to the chart in 11 6 Clogging of pipe and coming off of TC sensor 84 FILE NO SVM 13070 11 6 Check Code 1C Miswiring in indoor outdoor units and 1E lt Check procedure gt Gas leakage Discharge temp error disconnection of TS TC gas leakage sensors Check code 02 1C Check code 03 1E lt Valve drive check Is coil of the pulse motor valve P M V correctly set Set it correctly YES NO Is connecter of coil connected to inverter Set it correctly YES NO c Disconnect PMV connector then check coil resistance Is it 4644Q Phase white Red Red Orange Yellow Red Blue Red Replace coil valve Are temp sensors of indoor outdoor units correctly set to the holder NOTE The temperature sensors which are used to control pulse motor valve include indoor heat exchanger sensor TC outdoor heat exchanger temp sensor TE outdoor suction temp sensor TS and outdoor sensor TO Set it correctly Gas amount check and valve clogging check Remove TC sensor connector from t
32. back of the indoor unit to the drain pan Therefore do not store the power cord and other parts at a height above the drain guide Wall Drain guide Space for pipes Fig 10 4 27 Remote control Place the remote control away from obstacles such as curtain that may block the signal coming form the remote control Do not install the remote control in a place exposed to direct sunlight or close to a heating source such as a stove Keep the remote control at least 3 3 ft 1 m apart from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference The location of the remote control should be determined as shown below Top view Side view z P Indoor unit 8 E E Z s 4 Reception Reception Remote range control Remote control Fig 10 4 28 FILE NO SVM 13070 2 Remote control A B selection In case of two systems operating nearby follow the instructions below to set the remote control to operate with one indoor unit at a time Remote control B Setup 1 Press RESET button on the indoor unit to turn the air conditioner ON 2 Point the remote control at the indoor unit 3 Push and hold CHKe button on the Remote Control with the tip of a pencil 00 will be shown on the display 4 Press while pushing B will show on the display and 00 will disappear and t
33. board assembly 1 Leads 3 leads black white orange connected to terminal block Lead connected to compressor Disconnect the connector 3P Lead connected to reactor Disconnect the two connectors 2P 2 Connectors x8 CN300 Outdoor fan motor white See Note CN701 4 way valve 2P yellow CN600 TE sensor 2P white CN700 PMV 6P white CN603 TS sensor white CN601 TD sensor white CN602 TO sensor 2P white CN500 Pressure SW 2P white CN703 Heater cord 2P white These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the P C board base Remove the heat sink and control board assembly while keeping them screwed together NOTE Disengage the four claws of the P C board base hold the heat sink and lift to remove it 3 Remove the two fixing screws used to secure the heat sink and control board assembly 4 Mount the new control board assembly When mounting the new control board assembly ensure that the P C board is inserted properly into the P C board support groove 104 FILE NO SVM 13070 Remarks CN603 CN701 CN703 01 CN600 L CN500 CN700 CN602 CN300 CN300 CN701 CN600 and CN603 are conn
34. capacity depending on the load is adjusted According to difference between the setup value of tempera ture and the room temperature the capacity is adjusted by the compressor revolution Indoor unit Room temp Ta Ts Ta Correction value of Hz signal Detection of electromotive force of compressor motor winding Detection of motor speed Operation Hz and rotor position Correction value of Hz signal Operating Hz Inverter output change Commutation timing change Change of compressor speed FILE NO SVM 13070 Description 1 The difference between set temperature on remote controller Ts and room temperature Ta is calculated 2 According to the temperature difference the correction value of Hz signal which determines the compressor speed is set up 3 The rotating position and speed of the motor are detected by the electromotive force occurred on the motor winding with operation of the compressor 4 According to the difference resulted from comparison of the correction value of Hz signal with the present operation Hz the inverter output and the commuta tion timing are varied 5 Change the compressor motor speed by outputting power to the compressor The contents of control operation are same in cooling operation and heating operation 5 Current release This function prevents troubles on the electronic parts of the control Outdoor unit inverter main circuit control cur
35. d 2 Wireless remote controller 52 FILE SVM 13070 2 For the rear left and left piping N Wall Insert the cushion between the indoor unit and wall and tilt the indoor unit for better operation iei E Do not allow the drain hose to get slack Cut the piping hole slightly sloped downward G Make sure to run the drain hose sloped downward i N auxiliary piping connected to the left rear left rear right right bottom right or bottom left Right lt 4 Rear S right Bottom Rear 4 right left Bottom left ES Insulate the refrigerant pipes separately not together 5 16 in 8 mm thick heat resisting polyethylene foam Ne A E Batteries FILE NO SVM 13070 2 10 2 Installation 10 2 1 Field supplied installation part P ied Parts name Q ty Refrigerant piping Liquid side 21 4 6 35 mm p Gas side 3 8 in 12 70 mm Pipe insulating material 1 polyethylene foam 5 16 in 8 mm thick Putty PVC tapes One each lt Fixing bolt arrangement of outdoor unit gt 4 1 4 in 4 15 16 in 1 1 8 in 108 mm 125 mm 28 mm 8 Air inlet QUA 1 aya 74 ot n 281 Bo v L t py Air o
36. depend on presetting per room temperature OFF CDU fan ON or OFF depend on presetting per room temperature OFF Cool mode or dry mode Self Cleaning mode operation more than 10 mins operate 30 mins Turn off by remote controller or timer off function How to Set or Cancel Self Cleaning operation Default setting from factory is ON 1 Connect jumper lead at J201 of the indoor P C board assembly 2 To cancel Self Cleaning operation Turn the power supply ON Press the RESET button located on the front panel of the indoor unit for more than 3 seconds After 3 seconds the unit beeps three times The Self Cleaning is cancelled 3 To set Self Cleaning operation Turn the power supply ON Press the RESET button located on the front panel of the indoor unit for more than 3 seconds After 3 seconds the unit beeps three times and the indicator blinks for 5 seconds The Self Cleaning is set gt Operation time Automatically turn off One 201 is added it will effect as following The operation when press the RESET button for 3 seconds will be changed from Set Cancel the AUTO RESTART to Set Cancel the Self Cleaning AUTO RESTART function will not activate In case of AUTO RESTART is need disconnect the jumper J201 and set it again after Set Cancel the Self Cleaning finished Note J201 is near the MCU so so take steps to ensure that it will not be exposed to
37. finished the diagnosis by the remote controller turn OFF power supply and turn its ON again to reset the air conditioner to normal operation However the check codes are not deleted from memory of the microcomputer 3 After servicing finished press CLR button of remote controller under service mode status to send code 7F to the indoor unit The check code stored in memory is cleared Block distinction distinction code Indoor P C board Table 11 4 1 Operation of diagnosis function Air conditioner status Cause of operation TA sensor The room temperature sensor is short Circuit or disconnection TC sensor The heat exchanger temperature sensor of the indoor unit is out of place disconnection short circuit or migration Fan motor of the indoor unit All OFF is failure lock rotor short circuit disconnection etc Or its circuit on P C board has problem Other trouble on the indoor P C board Depend on Display flashing error Flashes when error is detected Flashes when error is detected Flashes when error is detected Depend on cause of failure Action and Judgment Check the sensor TA and connection In case of the sensor and its connection is normal check the P C board Check the sensor TC and connection In case of the sensor and its connection is normal check the P C board Check the fan motor and connection In c
38. for prevent high temperature of heat M H 2 exchanger WE 4 Cold draft prevention the fan speed is controlled by temperature of the indoor heat exchanger Tc as shown in Fig 6 for keep warm temperature of air flow 5 In order to prevent Cold draft when compressor stop during heating Tc F C Limited to Min WD tap operation Then louver will move to 126 52 upper position and fan speed will 124 51 reduce or off TC gt 108 F 42 C Min air flow rate control 108 42 1406 41 No limit Fan speed TC 42 a 10 x WD W8 W8 In up operation 1 in down operation 0 Basic fan control Fan speed Tc F Ta F C AUTO 115 46 115 46 113 45 113 45 Cold draft preventive control Linear approximate H and SUL with Tc A 4 A 4 A 4 A 4 Stop Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting kan spoed No limitation while f d MANUAL is in stabilit _ o while Tan spee mode IS In Stability 2 Fan speed L x 2 4 L A When Tsc gt 75 F 24 C is 75 F 24 C and 3 Fan speed M L x 3 4 L when Tsc lt 75 F 24 C is Tsc Calculated with linear approximation from M and L Tsc Set value Fig 5 In starting and in stability In stability Until 12 minutes passed after operation start When 12 to 25 minute
39. ft Nominal diameter in Outer diameter mm Tightening torque Ibf ft 10 to 13 14 to 18 12 16 13 18 24 to 31 33 to 42 31 42 37 to 46 50 to 62 41 55 12 FILE NO SVM 13070 3 3 Tools 3 3 1 Required Tools The service port diameter of packed valve of the outdoor unit in the air water heat pump using R410A is changed to prevent mixing of other refrigerant To reinforce the pressure resisting strength flare processing dimensions and opposite side dimension of flare nut 1 2 12 7 copper pipe of the refrigerant piping are lengthened The used refrigerating oil is changed and mixing of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant 22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A air water heat pump installation Conventional air water heat pump installation Used tool Flare tool Pipe flari
40. indoor heat exchanger rises to 131 F 55 C or higher the compressor speed is reduced P zone 3 When temperature of the indoor heat exchanger does not rise to 126 F 52 C or when it drops below to 118 F 48 C the capacity control operation returns to the usual control in heating operation R zone 7 Defrost control Only in heating operation Operation flow and applicable data etc This function removes frost adhered to the outdoor heat exchanger The temperature sensor of the outdoor heat ex changer Te sensor judges the frosting status of the outdoor heat exchanger and the defrost operation is performed with 4 way valve reverse defrost system Start of heating operation Outdoor heat exchanger temperature 0 1015 Operation time Minute The minimum value of Te sensor 10 to 15 minutes after start of operation is stored in memory as Te0 Table 1 When Te0 TE gt 4 5 F 2 5 C continued for 2 minutes in A zone defrost operation starts When the operation continued for 2 minutes in B zone defrost operation starts When Te0 gt 5 4 F 3 C continued for 2 minutes in C zone defrost operation starts 36 FILE SVM 13070 Description The necessity of defrost operation is detected by the outdoor heat exchanger temperature The conditions to detect the necessity of defrost operation differ in A B or C zone each Table 1
41. is necessary to change the drain hose and drain cap How to remove the drain cap Clip the drain cap with needle nose pliers and pull out RN I lt How to install the air inlet grille on the indoor unit gt e When attaching the air inlet grille perform the same process as for removal but in reverse order r gt gt _ gt Fig 10 4 14 10 4 4 Piping and drain hose installation lt Piping and drain hose forming gt Fig 10 4 15 How to remove the drain hose The drain hose can be removed by removing the screw securing the drain hose and then pulling out the drain hose When removing the drain hose be careful of any sharp edges the steel plate may have Sharp edges can cause injuries To install the drain hose insert the drain hose firmly until the connection part contacts the heat insulator and the secure it with the original screws Heat insulator Drain hose 62 Fig 10 4 16 How to the drain 1 Insert a hexagon wrench 3 16 in 4 mm in the center head of the cap FILE NO SVM 13070 2 lt Left hand connection with piping gt Bend the connecting pipe so that it is laid within 1 5 8 in 43 mm above the wall surface If the connecting pipe is laid exceeding 1 5 8 in 43 mm above the
42. length ft m Maximum chargeless length ft m Maximum height difference ft m Refrigerant Name of refrigerant Weight Ibs kg Wiring Power supply connection Interconnection Usable temperature range Cooling Heating Cooling Heating The specifications may be subject to change without notice for purpose of improvement 6 Btu W h 13 00 Btu W h cfm m min cfm m min 0 32 0 29 0 32 0 29 0 32 0 29 4 5 43 4 91 6 13 5 51 1245 1110 6 45 5 80 12 60 mm 6 65 6 01 7 78 7 01 1360 1590 0 6 97 6 30 8 10 7 30 1 12 80 12 40 21 11 16 550 21 11 16 550 30 11 16 780 30 11 16 780 11 7 16 290 11 7 16 290 1100 1100 Twin rotary type with DC inverter Twin rotary type with DC inverter variable speed control variable speed control 1282 36 3 1127 31 9 1636 38 6 1127 31 9 9 1 3Wires includes earth Outdoor AWires includes earth 0 F 115 F 18 C 46 C 4 F 75 F 20 C 24 C 29 13 0 66 20 1 DA130A1F 27F1 DA130A1F 27F1 FILE NO SVM 13070 RAS 22EKV UL RAS 22EAV UL RAS 22EKV UL RAS 22EAV2 UL Running current A 0 40 0 36 EER Cooling Heating Btu W h 10 50 SEER or HSPF Btu W h Usable temperature range Indoor Cooling Heating 70 F 90 F 21 C 32 C 32 F 82 F 0 C 28 C RJ E 9 5 o o 2 3 3 gt Z 3 d 3
43. lt Defrost operation gt Defrost operation in A to zones 1 Stop operation of the compressor for 20 seconds 2 Invert ON 4 way valve 10 seconds after stop of the compressor 3 The outdoor fan stops at the same time when the compressor stops 4 When temperature of the indoor heat exchanger becomes 100 F 38 C or lower stop the indoor fan lt Finish of defrost operation gt Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 46 F 8 C or higher 2 Temperature of outdoor heat exchanger is kept at 41 F 5 C or higher for 80 seconds 3 Defrost operation continues for 15 minutes lt Returning from defrost operation gt 1 Stop operation of the compressor for approx 50 seconds 2 Invert OFF 4 way valve approx 40 seconds after stop of the compressor 3 The outdoor fan starts rotating at the same time when the compressor starts FILE SVM 13070 Item 8 Louver control 1 Louver position Operation flow and applicable data etc This function controls the air direction of the indoor unit e The position is automatically controlled according to the operation mode COOL HEAT e The set louver position is stored in memory by the microcomputer and the louver returns to the stored position when the next operation is performed Cooling Heating memory position The angle of the louver is indicated as the louver cl
44. pipes are touchable with hands 7 Remove the flux completely after brazing Flow meter Stop valve Nitrogen gas cylinder From Nitrogen cylinder gas Rubber plug Fig 3 5 1 Prevention of oxidation during brazing 16 FILE NO SVM 13070 2 4 CONSTRUCTION VIEWS 4 1 Indoor Unit 41 5 16 1050 Unit Inch mm Heat exchanger Grille Inlet Air inlet Air Bter Front panel 8 15 16 228 Knockout for leftward Knockout for rightward piping piping S e al E 5 r gt A amp 1 15 16 50 1 15 16 d a m 51860 Air outlet 1 15 16 50 s Knockout for bottom leftward piping
45. protective operation by temp up of the indoor heat exchanger or current release control 74 11 2 Primary Judgment To diagnose the troubles use the following methods 1 Judgment by flashing LED of indoor unit 2 Self diagnosis by service check remote controller 3 Judgment of trouble by every symptom FILE NO SVM 13070 Firstly use the method 1 for diagnosis Then use the method 2 or 3 to diagnose the details of troubles 11 3 Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner if the protective circuit operates the contents of self diagnosis are displayed with block on the indoor unit indication section Indoor indication lamp flashes Which lamp does flash NOTES Some check code will flash display of the indoor unit when the air conditioner operates with some limitation 1 2 Some check code will flash display of the indoor unit and stop operation of the air conditioner 3 4 The check codes can be confirmed on the remote controller for servicing Table 11 3 1 Block display OPERATION Green Flashing display 1 Hz Description for self diagnosis When turn ON power supply Power supply ON after failure or OFF e This flashing display is not air conditioner failure OPERATION Green Flashing display 5 Hz OPERATION Green TIMER Yellow Flashing display 5 Hz Protective circuit operation for indoor
46. send continuously 1 minute after resending the indoor unit display flashes error a7 R FILE NO SVM 13070 3 Action and Judgment 1 to 3 The outdoor unit never operate Check connecting cable and correct if defective wiring Check 25A fuse of inverter P C board Check 3 15A fuse of inverter P C board Check operation signal of the indoor unit by using diode Measure voltage at terminal block of the indoor unit between No 2 and No 3 or L2 and S If signal is varied 15 60V continuously replace inverter P C board If signal is not varied replace indoor P C board 4 The outdoor unit abnormal stop at some time If the other check codes are found concurrently check them together Check protector hardware such as Hi Pressure switch Thermal Relay etc Check refrigerant amount or any possibility case which may caused high temperature or high pressure Check operation signal of the indoor unit by using diode Measure voltage at terminal block of the indoor unit between No 2 and No 3 or L2 and S If signal is varied 15 60V continuously replace inverter P C board If signal is not varied replace indoor P C board Block distinction Outdoor P C board Operation of diagnosis function Air Cause of operation conditioner status Current on inverter circuit OFF Flashes after is over limit in short time error is detected Inverter P C board is 4
47. sound may be heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was exces sively up adjust the open degree of valve so that it is in the range of set tempera ture Discharge temp control 4 When defrost operation is performed the open degree of valve is adjusted accord ing to each setup conditions during preparation for defrost and during defrost operation 4 way valve is inversed 5 When operation is OFF by the remote controller or when compressor is OFF by room temperature control the open degree of valve is adjusted to the stop position FILE NO SVM 13070 tem Operation flow and applicable data etc Description 13 Self Cleaning 1 Purpose function The Self Cleaning operation is to minimize the growth of mold bacteria etc by running the fan and drying so as to keep the Unit now performing cooling or dry operation inside of the air conditioner clean Self Cleaning operation When the cooling or dry operation shuts down the unit automatically starts the Self Press STOP button Cleaning operation which is then performed for the specified period based on duration of the operation which was performed prior to the shutdown after which the Only timer indicator lights and Self Cleaning operation starts Self Cleaning operation stops The Self Cleaning operation is not performed after a heating operation Operation Time set now elapse
48. the equipment Vacuum pump adapter Gas leakage detector Exclusive for HFC refrigerant Incidentally the refrigerant cylinder comes with the refrigerant designation R410A and protector coating in the U S s ARI specified rose color ARI color code PMS 507 Also the charge port and packing for refrigerant cylinder require 1 2 UNF 20 threads per inch corresponding to the charge hose s port size 55 10 3 Outdoor Unit 10 3 1 Installation Location A location which provides enough spaces around the outdoor unit as shown in the diagram above A location which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration A location where the operation noise and discharged air do not disturb your neighbors A location which is not exposed to a strong winds A location free of combustible gases leaks A location which does not block a passage A location where drain water does not cause any problems Depending on snow level use field fabricated ice or snow stand When the outdoor unit is to be installed in an elevated position be sure to secure its feet as described in the section above Precautions about Installation is Regions with Snowfall and Cold Temperatures Do not use the supplied drain nipple for draining water Drain the water from all drain holes directly To protect the outdoor unit from snow accumulation install a ho
49. times failure IGBT shortage etc Compressor current is higher than limitation lock rotor etc Compressor position detect All OFF Flashes after circuit error or short circuit error is detected between winding of 4 times compressor Display flashing error Current detect circuit of inverter P C board error OFF Flashes after error is detected 4 times All OFF Flashes after error is detected 4 times OFF Flashes after error is detected 4 times All OFF Flashes after error is detected 4 times TO sensor The outdoor Operation Record error TE sensor The heat exchanger temperature sensor of the outdoor unit either TS sensor Suction pipe temperature sensor out of place disconnection or shortage TD sensor Discharge pipe temperature sensor is disconnection or shortage Outdoor fan failure or its drive circuit on the inverter P C board failure temperature sensor is continues after detected disconnection or shortage 4 times But does not flash display FILE NO SVM 13070 3 Action and Judgment Remove connecting lead wire of the compressor and operate again If outdoor fan does not operate or operate but stop after some period replace the inverter P C board If outdoor fan operates normally measure 3 Phase output of inverter P C board 150 270VAC at the connecting lead wire of compressor If 3 Phase output is abnormal replace inverter P C B
50. wall surface the indoor unit may set on the wall unstably When bending the connecting pipe make sure to use a spring bender to avoid crushing the pipe Bend the connecting pipe within a radius of 1 3 16 im 30 mm To connecthe pipe after the unit has been installed figure Fig 10 4 17 2 Firmly insert the drain cap No gap Do not apply lubricating oil refrigerant machine oil when 4 inserting the drain Application causes deterioration and drain leakage from the plug Insert a hexagon wrench 3 16 in 4 mm Fig 10 4 18 Firmly insert the drain hose and drain cap otherwise water may leak n case of right or left piping Forefront of flare Z side si 20 172 in 520 mm 16 9 16 in 420 mm Liquid side Outward form of indoor unit y 1 518 in 43 mm R 1 3 16 R 30 mm Use polisin T polyethylene core or the like for 1 bending pipe Use the handle of screwdriver etc Fig 10 4 21 NOTE If the pipe is bent incorrectly the indoor unit may set on the wall unstably After passing the connecting pipe through the pipe hole connect the connecting pipes to the refrigerant After making slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 10 4 19 lt ln case of bottom right or bot
51. 2mm 3 Pipe cutter 11 Tape measure 12 Metal saw Screwdriver Spanner or Monkey wrench ON OO Also prepare the following equipments for other installation method and run check 3 Insulation resistance tester 4 Electroscope 1 Clamp meter 2 Thermometer _ 13 FILE NO SVM 13070 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the following steps Recover the refrigerant and check no refrigerant remains in the equipment When the compound gauge s pointer has indicated 147 Psi 0 1 Mpa or 29 9 inHg 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s power switch Connect the charge hose to packed valve service port at the outdoor unit s gas side Keep the status as it is for 1 to 2 minutes and ensure Connect the charge hose to the vacuum pump that the compound gauge s pointer does not return adapter Set the refrigerant cylinder to the electronic balance Open fully both packed valves at liquid and gas connect the connecting hose to the cylinder and the sides connecting port of the electronic balance and charge liquid refrigerant For refrigerant charging see the figure below Place the handle of the gauge manifold Low in the fully opened position and turn on the vacuum pump s power switch Then evacuating the refr
52. 4 Do not apply excess torque Otherwise the nut may crack depending on the conditions Outer dia of copper pipe Tightening torque 1 4 in 6 35 mm 10 to 13 Ibf ft 14 to 18 N m 3 8 in 12 70 mm 37 to 46 Ibf ft 50 to 62 N m Tightening torque for connection of pipe The pressure of R410A is higher than R22 Approx 1 6 times Therefore securely tighten the flare pipes which connect the outdoor unit and the indoor unit with the specified tightening torque using a torque wrench Flare at indoor unit side _ Flare at outdoor unit side Fig 10 3 5 10 3 3 Wiring Connection NOTE All wiring and connections must comply with NEC CEC and local codes Connect all wires to the correct terminal on the wiring terminal blocks Make sure that all connectors are secure Size connectors per the ratings listed in the system requirement section System interconnections should be minimum AWG14 MOUNT THE OUTDOOR UNIT POWER DISCONNECT RUN POWER WIRING FROM MAIN BOX TO DISCONNECT PER NEC AND LOCAL CODES Remove the valve cover and the cord clamp from the outdoor unit Fix conduit connector to conduit plate by lock nut and secure it tightly Connect the power supply and connecting cables to the terminal block as shown in the figure below and secure it tightly with screws You should not have extra cables Secure the power cord and the connceting cable with the cord clamp At
53. 9331 FIN GUARD 43T00537 RIGHT CABINET ASSEMBLY 43T49338 FUSIBLE PLUG 43T46360 BODY PMV 43163330 PRESSURE SWITCH 43763325 COIL PMV 111 13 4 Outdoor Unit RAS 15 17 22EAV2 UL 43T00535 43T00459 43T42353 43T00452 43T19342 43T00540 43T41432 43141433 43143447 43146358 43146374 43147331 43147333 43700539 43700537 43746360 43763325 FRONT CABINET LEFT CABINET BASE PLATE ASSEMBLY UPPER CABINET WIRE GUARD PACKED VALVE COVER COMPRESSOR RAS 15 17EAV2 UL COMPRESSOR RAS 22EAV2 UL CONDENSER ASSEMBLY VALVE PACKED 6 35 DIA VALVE PACKED 12 7DIA H4 BONNET 6 35 DIA BONNET 12 70 DIA FIXING PLATE VALVE RIGHT CABINET ASSEMBLY BODY PMV COIL PMV AN UI D AM Location No 18 112 NO SVM 13070 31 HOLDER SENSOR For PIPE OD 6 35 mm 32 HOLDER SENSOR TD For PIPE OD 8 00 mm 33 HOLDER SENSOR TS For PIPE OD 9 52 12 7 mm o __ 43T58306 43T20319 43121419 43147001 43T97001 43149335 43146359 43T63324 43T63319 43T39337 43T63318 43163317 43763323 43719331 43149338 43T63330 43157302 PROPELLER FAN FAN MOTOR NUT FLANGE NUT RUBBER CUSHION AWAY VALVE AWAY VALVE COIL ASSEMBL HOLDER SENSOR MOTOR BASE CONNECTION PLATE HOLDER SENSOR HOLDER SENSOR HOLDER SENSOR FIN GUARD FUSIBLE PLUG PRESSURE SWITCH HEATER CORD ASSEMBLY FILE NO SVM 13070 13 5 P C Board Layout RAS 15
54. ENSOR 43T09040 LOUVER HORIZONTAL 43T49010 PIPE SHIELD 43170313 HOSE DRAIN 43182008 PLATE INSTALLATION 43179313 CAP DRAIN 43149043 HOLDER PIPE 43721421 FAN MOTOR 43T62031 COVER TERMINAL 43720016 FAN ASSY CROSS FLOW 43T66308 REMOTE CONTROLLER 43739021 BASE BEARING 43183003 HOLDER REMOTE CONTROL 43722312 BEARING ASSY MOLD 43782314 PARTITION CONDUIT 43739020 BAND MOTOR LEFT 43782315 MOUNT CONDUIT 110 FILE NO SVM 13070 13 3 Outdoor Unit RAS 15 17 22EAV UL 31 HOLDER SENSOR TE For PIPE OD 6 35 mm 32 HOLDER SENSOR TD For PIPE OD 8 00 mm 33 HOLDER SENSOR TS For PIPE OD 9 52 12 7 mm Location Part ke Description No No 18 43T00535 FRONT CABINET 43758306 REACTOR 43T00459 LEFT CABINET 43120319 PROPELLER FAN 43142327 BASE PLATE ASSEMBLY 43121419 FAN MOTOR 43700452 UPPER CABINET 43147001 NUT FLANGE 43119342 WIRE GUARD 43797001 NUT 43T00540 PACKED VALVE COVER 43149335 RUBBER CUSHION 43741432 COMPRESSOR RAS 15 17EAV UL 43146359 4WAY VALVE 43741433 COMPRESSOR RAS 22EAV UL 43763324 AWAY VALVE COIL ASSEMBL 43143447 CONDENSER ASSEMBLY 43763319 HOLDER SENSOR 43146358 VALVE PACKED 6 35 DIA 43139337 MOTOR BASE CONNECTION PLATE 43746374 VALVE PACKED 12 7DIA H4 43763318 HOLDER SENSOR 43147331 BONNET 6 35 DIA 43763317 HOLDER SENSOR 43147333 BONNET 12 70 DIA 43763323 HOLDER SENSOR 43T00539 FIXING PLATE VALVE 43T1
55. ER Mode uuu nun n SERA oa D xo E a XM 45 19 FILTER Indicator 45 20 Cord heater control ete rette tede 45 9 3 Auto Restart Function 9 3 1 How to Cancel the Auto Restart Function sss 46 9 3 2 How to set the Auto Restart Function 47 9 3 3 Power Failure During Timer Operation a 47 9 4 Remote Controller and Its Fuctions 9 4 1 Parts Name of Remote Controller a 48 9 4 2 Operation of remote control nennen nnne 48 9 4 3 Name and Functions of Indications on Remote Controller 51 28 FILE NO SVM 13070 Item Operation flow and applicable data etc 1 Basic 1 Operation control operation Receiving the user s operation condition setup the operation statuses of indoor outdoor units are controlled 1 The operation conditions are selected by the remote controller as shown in the below 2 A signal is sent by ON button of the remote controller 3 The signal is received by a sensor of the indoor unit and processed by the indoor controllers as shown in the below 4 The indoor controller controls the indoor fan motor and louver motor 5 The indoor controller sends the operation command to the outdoor controller and sends receives the control status with a serial signal 6 The outdoor controller controls the operation as show
56. Fig 10 3 6 L L2 S T la Power supply cord Unit inch mm ye 10 2 12 16 70 1 3 16 30 Ground line 1 9 16 40 Ground line Connecting cable Power cord Fig 10 3 7 FILE NO SVM 13070 2 Lock nut Bi c EE Valve cover Conduit plate Connector Wrong wiring connection may cause some electrical parts burn out Be sure to comply with LOCAL CODES Every wire must be connected firmly If incorrect or incomplete wiring is carried out it will cause an ignition or smoke 58 NOTE Interconnecting cable Wire type minimum AWG14 10 4 Indoor Unit 10 4 1 Installation Location A location which provides clearances around the indoor unit as shown in the diagram in the CLEARANCES section A location where there are no obstacles near the air inlet and outlet A location which allows easy installation of the piping to the outdoor unit A location which allows the front panel to be opened The indoor unit shall be installed such that the top of the indoor unit comes to at least 6 6 ft 2 m height Also avoid putting anything on the top of the indoor unit A location that will bear the weight of the unit CAUTION Direct sunlight on the indoor unit s wireless receiver should be avoided The microprocessor in the indoor unit should not be too close to RF noise sources For details s
57. ND BLACK 4 White and 5 V line YELLOW of motor connector CN31 3 Black while indoor fan motor is rotating 2 _ 1 Red DC 1 0V or more P C board is defective Replace P C board Under DC 1 0V Motor is defective Replace motor 82 FILE NO SVM 13070 5 Troubleshooting for remote controller lt Primary check gt Check that A or B selected on the main unit is matched with A or B selected on the remote controller The unit does not beep at all Push the 5 button Operation lamp on indoor unit is not indicated Is transmission NO mark indicated YES Reset by take off battery the push cb button till LCD indication disclear put battery again 15 receiver on indoor unit exposed to direct sunlight Does indoor unit operate when moving remote controller near receiver or indoor unit YES Batteries are exhausted Is there any fluorescent light nearly Push the 6 button Does A C operate by push RESET button of indoor unit Is transmission NO mark indicated YES Does indoor unit beep and operate YES Point remote to digital camera can see infrared at sending LED on carmera monitor when push 6 button Replace main P C Board Reciver P C board is defective Remote controller is defective Keep indoor unit
58. Operation is not turned on though Indoor P C board is replaced lt Confirmation procedure gt Turn on power supply Does OPERATION indicator flash YES Is wired correctly to white and black lead wires of terminal block Correct wiring To item of Indoor unit is not operated 79 FILE NO SVM 13070 3 Only the indoor motor fan does not operate lt Primary check gt 1 Is it possible to detect the power supply voltage AC208 230V between and on the terminal block 2 Does the indoor fan motor operate in cooling operation In heating operation the indoor fan motor does not operate for approximately 10 minutes after it is turned on to prevent a cold air from blowing in Turn off power supply once and turn it on again Does fan motor YES continue to operate NO Is it possible to detect DC vey i i and o motor connector CN31 NO Peplace indoor fan motor Reconnecting the in terconnection cable and terminal block Does check connecting cable or power supply cord complely Does check 5V at display unit YES YES NO Does check 5V at main P C board YES Replace display unit Start to operate indoor unit in cooling operation at airflow level LOW Is it possible to detect DC 294 325V between 0 and of motor connector CN31
59. Outer diameter mm Thic kness in mm 0 0315 0 8 Dimension in mm FILE NO SVM 13070 0 354 9 0 B 0 362 9 2 C 0 256 6 5 0 512 13 Flare nut width in mm 0 669 17 0 0315 0 8 0 512 13 0 0 531 13 5 0 382 9 7 0 787 20 0 866 22 0 0315 0 8 0 638 16 2 0 630 16 0 0 508 12 9 0 787 20 0 945 24 a wl 045 Fig 3 2 2 Relations between flare nut and flare seal surface Flare Connecting Procedures and Precautions a Make sure that the flare and union portions do not have any scar or dust etc b Correctly align the processed flare surface with the union axis c Tighten the flare with designated torque by means of a torque wrench The tightening torque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tighten ing torque comply with values designated by manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 3 2 7 Tightening torque of flare for R410A Reference values Tightening torque of torque wrenches available on the market Ibf
60. P C board Protective circuit operation for connecting cable and serial signal system OPERATION Green FILTER Orange Flashing display 5 Hz Protective circuit operation for outdoor P C board OPERATION Green TIMER Yellow FILTER Orange Flashing display 5 Hz Protective circuit operation for others including compressor When item B and C or item B and apart of item E occur concurrently priority is given to the block of item B 72 FILE SVM 13070 11 4 Self Diagnosis by Remote Controller Check Code 1 Ifthe lamps are indicated as shown B to E in Table 11 3 1 execute the self diagnosis by the remote controller 2 When the remote controller is set to the service mode the indoor controller diagnoses the operation condition and indicates the information of the self diagnosis on the display of the remote controller with the check codes If a fault is detected all lamps on the indoor unit will flash at 5 Hz and it will beep for 10 seconds Beep Beep Beep The timer lamp usually flashes 5 Hz during self diagnosis 11 4 1 How to Use Remote Controller in Service Mode I Css sas s ss sss 1 Push CHECK button with a tip of pencil to set the remote controller to the service mode e Till is indicated on the display of the remote controller Push ON A OFF Y button If there is no fault with a code the indoor unit will beep once Beep and the
61. RNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severs personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation Before installation please read these precautions for safety carefully Be sure to follow the precautions provided here to avoid safety risks The symbols and their meanings are shown below WARNING It indicates that incorrect use of this unit may cause severe injury or death CAUTION FAILURE TO FOLLOW THIS CAUTION result in equipment damage or improper operation and personal injury CAUTION New refrigerant air conditioner installation THIS AIR CONDITIONER USES THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY THE OZONE LAYER R410A refrigerant is affected by inpurities such as water and oils because the pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 ALSO NEW OILS ARE USED WITH R410A THUS ALWAYS USE NEW REFRIGERANT PIPING AND DO NOT ALLOW MOISTURE OR DUST TO ENTER THE SYSTEM To avoid mixing refrigerant and refrigerant machine oil the sizes of charging port on the main unit is different than those used on R22 machines and diff
62. ROUBLE The pulse motor circuits are mounted to both indoor and outdoor units Therefore diagnose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Table 11 1 Troubleshooting Procedure First Confirmation Primary Judgment Judgment by Flashing LED of Indoor Unit Self Diagnosis by Remote Controller Check Code Judgment of Trouble by Every Symptom Check Code 18 and 1E Troubleshooting How to Diagnose Trouble in Outdoor Unit OG N How to Check Simply the Main Parts to Simply Judge Whether Outdoor Fan Motor is Good Precautions when handling the new inverter 3DV Inverter CAUTION HIGH VOLTAGEN The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the P C board by hand The new inverter 3DV inverter will be incorporated starting with this unit 30 3 shunt Discrete Vector control The control circuitry has an uninsulated construction Compressor E Shared potential Fan motor FETx6 Amplifier Fig 11 1 69 FILE NO SVM 13070 CAUTION A high voltage equivalent to the supply v
63. Serial signal including outside temp data to the outdoor unit and judgment display of error Air purifier operation control Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role Compressor operation control Operation control of outdoor fan motor PMV control 4 way valve control 27 Serial signal from outdoor unit controller to indoor unit controller The following signals are sent from the outdoor unit controller e The current operation mode The current compressor revolution Outdoor temperature Existence of protective circuit operation For transferring of these signals the indoor unit controller monitors the contents of signals and judges existence of trouble occurrence Contents of judgment are described below Whether distinction of the current operation status meets to the operation command signal Whether protective circuit operates When no signal is received from the outdoor unit controller it is assumed as a trouble Operations followed to judgment of serial signal from indoor side FILE 9 2 Operation Description SVM 13070 1 Basic operato it cerneret et pur eee p a eee Pene EE Eee E c Dre x e e 29 1 Operation control uuu u uuu u ERR E usu pa or P o ys 29 2 Cooling Heating operation od ince
64. TAL Heat EE X m e 2 di 9 CN51 eu EE S T c e _ Heat Exchanger Sensor CN62 BLU TC Thermo Sensor CN61 TA wH y Wireless Unit Assembly Main P C Board ___ 5045 YN NN A 5 POWER SUPPLY 208 230 1 60 Exchanger NOE Power Supply Circuit 19 Ts SUCTION PIPE SENSOR DISCHARGE PIPE TEMP SENSOR TE CONDENSER PIPE TEMP SENSOR PRESSURE SW COLOR IDENTIFICATION BLK BLACK WHI WHITE BLU BLUE BRW BROWN RED RED ORN ORANGE GRY GRAY YELYELLOW PUR PURPLE Fan Motor Color indication BRW BROWN YEL YELLOW BLK BLACK RED RED BLU BLUE WHI WHITE GRN 8 YEL GREEN amp YELLOW 5 2 RAS 15 17 22EKV UL RAS 15 17 22EAV2 UL FILE NO SVM 13070 BRW 205 Q300 305 P C BOARD R221 MCC 5009 R321 L01 VARISTOR REACTOR 208 230 1 60 Outdoor terminal block WW NN L YL XS Heat Exchanger POWER SUPPLY From outdoor Unit SHEET METAL e T3 15A 250VAC 2 BLK 000 CN51 Fuse F01 9 Heat Exchanger Sensor CN62 TC BLU Varistor I Wireless Unit Assembly
65. TOSHIBA Carrier FILE NO SVM 13070 3 SERVICE MANUAL AIR CONDITIONER Indoor Unit lt High Wall Heat Pump Type gt RAS 15EKV UL RAS 17EKV UL RAS 22EKV UL RAS 15EKV UL RAS 17EKV UL RAS 22EKV UL HFC SPLIT TYPE Outdoor Unit lt Heat Pump Type gt RAS 15EAV UL RAS 17EAV UL RAS 22EAV UL RAS 15EAV2 UL RAS 17EAV2 UL RAS 22EAV2 UL Revised on Jun 2014 10 11 12 13 FILE NO SVM 13070 2 CONTENTS SAFETY PRECAUTIONS lt a aa 3 SPECIFICATIONS uu a asas Dean Feci ddy 6 REFRIGERANT HATOA UU L Uc n Edo dina 9 CONSTRUCTION VIEWS a aaa u u aa rag iu i6 a Dno 17 WIRING DIAGRAM 555355235555 qe 19 SPECIFICATIONS OF ELECTRICAL PARTS 21 REFRIGERANT CYCLE DIAGRAM 22 CONTROL BLOCK DIAGRAN J J 25 OPERATION DESCRIPTION 27 INSTALLATION PROCEDURE u J J 52 HOW TO DIAGNOSE THE TROUBLE
66. ace the compressor Discharge temperature All OFF Flashes after Check sensors TD exceeded 117 C error is detected Check refrigerant amount 4 times Check P M V by measure the resistance of the coil and confirm its operation sound of initial operation etc Observe any possibility cause which may affect high temperature of compressor decreased to minimum limit 4 times amount and power supply rate 10 Installation problem both of operation and non operation Instantaneous power condition failure Check P M V by measure the Refrigeration cycle resistance of the coil and confirm its problem operation sound of initial Compressor break down operation etc Compressor failure High Observe any possibility cause which current operation etc may affect high current of compressor If 1 2 and are normal replace compressor 4 times When first error is detected error is count as 1 time then once operation is stop and re started After re starting operation within 15 minutes if same error is detected error count is add count become 2 times When error count comes 4 times record error to check code But after re starting operation if no error is detected and air conditioner can operate more than 15 minutes error count is cleared is high current All OFF Flashes after Check installation conditions such as J though operation Hz is error is detected packed
67. apacitor cannot naturall y disc harge and v oltage remains accor ding to tr ouble type in some cases This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between 4 Remove screw screw 4 pcs fixing the terminal part of inverter box to the main body 5 Remove the front cabinet by performing step 1 in Q and remove the fixing screws for securing the main body and inverter box 6 Remove various lead wires from the holder at upper part of the inverter box 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires As each connector has a lock mecha nism avoid to remove the connector by holding the lead wire but by holding the connector 103 FILE NO SVM 13070 Remarks Inverter cover board Soldered surface Plug of soldering iron Discharging position Discharging period 10 seconds or more screw ST1T 4 x 8MSZN Put each leads through the hole Put the compressor leads through the hole The connector is one with lock so remove it while pushing the part indicated by an arrow Be sure to remove the connector by holding the connector not by pulling the lead wire Part Control board assembly Procedure 1 Disconnect the leads and connectors connected to the other parts from the control
68. ase of the motor and its connection is normal check the P C board Replace P C board Block distinction Operation of diagnosis function Air conditioner status Serial signal Indoor unit Check code Display flashing error Flashes when and connecting connecting cable or operates error is detected cable miss wiring continue Flashing stop 2 Operation signal has not Outdoor unit and outdoor unit send from the indoor unit stop start to operate when operation start when the return 3 Outdoor unit has not signal from the send return signal to the outdoor unit is indoor unit when operation normal started 4 Return signal from the outdoor unit is stop during operation Some protector hardware if exist of the outdoor unit open circuit of signal Signal circuit of indoor P C board or outdoor P C board is failure in some period Note Operation signal of the indoor unit shall be measured in the sending period as picture below Sending signal of the indoor unit when have not retum signal from the outdoor unit i 3 minutes Delay start counting from power supply ON or remote OFF 3 minutes stop Voltage variation stop or have not voltage output Measured signal voltage by apply diode 0 3 4 7 8 Time Min Signal send only 1 minute and stop Because of return signal from outdoor unit has not received Signal resend again after 3 minutes stop And the signal will
69. at the bottom the screw used to secure the front and side cabinet Right and the screws screw 2 pcs used to secure the motor base The front cabinet is fitted into the side cabinet left at the front left side so pull up the top of the front cabinet to remove it FRONT CABINET 2 Attachment 1 Insert the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the bottom plate Insert the claw of the side cabinet right into the square hole in the front cabinet 3 Return the screws that were removed above to their original positions and attach them 102 Part Inverter assembly Procedure 1 Perform work of item 1 in D 2 Remove screw screw 2 pcs of the upper part of the front cabinet If removing the inverter cover in this condition P C board can be checked If there is no space above the unit perform work of 1 in Be careful to check the inverter because high voltage circuit is incorporated in it 3 Perform discharging by connecting polarity by discharging resistance approx 100Q40W or plug of soldering iron to terminals a of the C14 printed CAUTION HIGH VOLTAGE is attached electrolytic capacitor 15 17EA Series 500uF 22EA Series 760uF on P C board Be careful to discha rge the capacitor because the electr olytic c
70. ation The indoor unit on which the remote controller selection has been set to B receives the signal of the remote control ler also set to B At the factory the remote controller selection is set to A on all the indoor units There is no A setting display 15 Operation flow and applicable etc When the QUIET button is pressed the fan of the indoor unit will be restricted the revolving speed at speed L until the QUIET button is pressed once again cancel Quiet mode FILE NO SVM 13070 Description Quiet mode is the system which control the revolving speed of indoor fan to work constantly at lower than speed L In addition noise level of indoor unit is less than usual Remarks 1 Quiet mode is unable to work in dry mode 2 Quiet mode is appropriate to work with less cooling load and less heating load condition Because of the fan speed L may cause not enough the cooling capacity or heating capacity 16 COMFORT SLEEP Cooling mode e The preset temperature will increase as show on ECO operation Item No 9 Press the COMFORT SLEEP button to choose the operating hours Repeat pressing to select the hours 1hr 3hr 5hr or 9hr If the COMFORT SLEEP button is pressed again means cancel comfort sleep mode Heating mode e The preset temperature will drop down as show on ECO operation Item No 9 Press the COMFORT SLEEP button to choose the operating ho
71. atus of room temperature Ta when starting AUTO operation 1 When reselecting the operation mode the fan speed is controlled by the previous operation mode Ta Cooling operation Monitoring Fan Heating operation 1 Detects the room temperature Ta when the operation started 2 Selects an operation mode from Ta in the left figure 3 Fan operation continues until an operation mode is selected 4 When AUTO operation has started within 2 hours after heating operation stopped and if the room temperature is 68 F 20 C or more the fan operation is performed with Ultra LOW mode for 3 minutes Then select an operation mode 5 In AUTO mode either cooling or heating operation will be selected When room temperature reach set temperature commpressor will stop In case that the compressor stops for 15 minutes the AUTO mode will reselect cooling or heating operation DRY operation DRY operation is performed according to the difference between room temperature and the setup temperature as shown below In DRY operation fan speed is controlled in order to prevent lowering of the room temperature and to avoid air flow from blowing directly to persons Ta 2 0 1 0 1 0 0 5 Tsc Fan speed 30 1 Detects the room temperature when the DRY operation started 2 Starts operation under conditions in the left figure according to the temperature diff
72. cle 2 When chlorine contained in the flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing FILE NO SVM 13070 3 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pipe interior during brazing it is effective to proceed with brazing while letting dry Nitrogen gas N2 flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation 1 Attach a reducing valve and a flow meter to the Nitrogen gas cylinder 2 Use a copper pipe to direct the piping mate rial and attach a flow meter to the cylinder 3 Apply a seal onto the clearance between the piping material and inserted copper pipe for Nitrogen in order to prevent backflow of the Nitrogen gas 4 When the Nitrogen gas is flowing be sure to keep the piping end open 5 Adjust the flow rate of Nitrogen gas so that it is lower than 0 03 cfm 0 05 m Hr or 2 9 psi 0 02 MPa 0 2kgf cm by means of the reducing valve 6 After performing the steps above keep the Nitrogen gas flowing until the pipe cools down to a certain extent temperature at which
73. d operation revolution control Defrost control in heating operation Temp measurement by outdoor heat exchanger and control for 4 way valve and outdoor fan Contents of operation command signal Serial signal from indoor unit controller to outdoor unit controller The following three types of signals are sent from the indoor unit controller Operation mode set on the remote controller Compressor revolution command signal defined by indoor temperature and set temperature Correction along with variation of room tempera ture and correction of indoor heat exchanger temperature are added Temperature of indoor heat exchanger For these signals Operation mode and Com pressor revolution indoor heat exchanger tem perature the outdoor unit controller monitors the input current to the inverter and performs the followed operation within the range that current does not exceed the allowable value Contents of operation command signal Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp sensor TA sensor Judgment of the indoor heat exchanger tempera ture by using heat exchanger sensor TC sensor Prevent freezing control etc Louver motor control Indoor fan motor operation control LED Light Emitting Diode display control Transferring of operation command signal Serial signal to the outdoor unit Reception of information of operation status
74. d pipe parts for model R410A are required and installation work must be done in accordance with the manual HFC type refrigerant R410A has 1 6 times more pressure than that of conventional refrigerant R22 Use the specified pipe parts and ensure correct installation otherwise damage and or injury may be caused At the same time water leakage electrical shock and fire may occur Be sure to install the unit in a place which can sufficiently bear its weight If the load bearing of the unit is not enough or installation of the unit is improper the unit may fall and result in injury Electrical work must be performed by trained qualified installers and service mechanics in accordance with the code governing such installation work internal wiring regulations and the manual A dedicated circuit and the rated voltage must be used Insufficient power supply or improper installation may cause electrical shock or fire Use a cabtyre cable to connect wires in the indoor outdoor units Midway connection is not allowed Improper connection or fixing may cause a fire Wiring between the indoor unit and outdoor units must be well shaped so that the cover can be firmly placed Improper cover installation may cause increased heat fire or electrical shock at the terminal area Be sure to use only approved accessories or the specified parts Failure to do so may cause the unit to fall water leakage fire or electrical shock After the installation work
75. display of the remote controller will change as follows BOAO o eum MIB B PE Ia Bb HiPOWER ECO ege The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec ONE TOUCH MODE I COMFORT e Check the unit with all 52 check codes 27 to 33 QUIET SLEEP as shown in Table 11 4 1 pii Push ON or OFF Y button to change the check code e o e e backward If there is a fault the indoor unit will beep for 10 seconds Note the check code on the display of the remote controller e 2 digits alphanumeric will be indicated on the display TOSHIBA All indicators on the indoor unit will flash Carrier Alphanumeric characters used for the check codes 5 times per 1 sec Push CLR button After service finish for clear service code in memory 7F is indicated on the display of the remote controller is 5 B is 6 A i A n B Push 6 button to release the service mode is C d is D The display of the remote controller returns to as it was before service mode was engaged Fig 11 4 1 TS 11 4 2 Caution at Servicing FILE NO SVM 13070 3 1 After using the service mode of remote controller finished press 0 button to reset the remote controller to normal function 2 After
76. ducing the brazing filler s surface tension the brazing filler adheres better to the treated metal 15 2 Characteristics required flux Activated temperature of flux coincides with the brazing temperature Due to a wide effective temperature range flux is hard to carbonize It is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum It excels in coating performance and is harm less to the human body As the flux works in a complicated manner as described above it is necessary to select an adequate type of flux according to the type and shape of treated metal type of brazing filler and brazing method etc 3 Types of flux Noncorrosive flux Generally it is compound of borax and boric acid It is effective in case where the brazing tem perature is higher than 1472 F 800 C Activated flux Most of fluxes generally used for silver brazing are this type It features an increased oxide film removing capability due to the addition of compounds such as potassium fluoride potassium chloride and sodium fluoride to the borax boric acid compound 4 Piping materials for brazing and used brazing filler flux Piping material Used brazing filler Used flux Do not use Copper Copper Phosphor copper Copper Iron Silver Paste flux Iron Iron Silver Vapor flux 1 Do not enter flux into the refrigeration cy
77. e above check is performed When the fan motor does not become normal even if P C board is replaced replace the outdoor fan motor 92 FILE NO SVM 13070 12 HOW TO REPLACE THE MAIN PARTS WARNING Since high voltages pass through the electrical parts turn off the power without fail before proceeding with the repairs Electric shocks may occur if the power plug is not disconnected After the repairs have been completed after the front panel and cabinet have been installed perform a test run and check for smoking unusual sounds and other abnormalities If this check is omitted a fire and or electric shocks may occur Before proceeding with the test run install the front panel and cabinet Ensure that the following steps are taken when doing repairs on the refrigerating cycle 1 Do not allow any naked flames in the surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite any oil mixed with the refrigerant gas Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir cuitry wear rubber gloves to avoid contact wi
78. e outdoor unit controller The outdoor unit controller receives operation com mand from the indoor unit side and controls the outdoor fan and the pulse motor valve PMV Besides detecting revolution position of the compres sor motor the outdoor unit controller controls speed of the compressor motor by controlling output voltage of the inverter and switching timing of the supply power current transfer timing so that motors drive according to the operation command And then the outdoor unit controller transfers reversely the operating status information of the outdoor unit to control the indoor unit controller As the compressor adopts four pole brushless DC motor the frequency of the supply power from inverter to compressor is two times cycles of the actual number of revolution 1 Role of indoor unit controller The indoor unit controller judges the operation commands from the remote controller and assumes the following functions Detection of inverter input current and current release operation Over current detection and prevention operation to IGBT module Compressor stop function Compressor and outdoor fan stop function when serial signal is off when the serial signal does not reach the board assembly of outdoor control by trouble of the signal system Transferring of operation information Serial signal from outdoor unit controller to indoor unit controller Detection of outdoor temperature an
79. e plate cord heater control gt Heater output OFF ON Equivalent to 75W When TO sensor is defective turn off normal heater output When COOL thermostat is ON turn off the heater output NT m 1 Purpose Base plate freeze prevention of the outdoor unit Operation As shown in the left figure the base plate freeze preventive heater is controlled by temperature of the outside temp sensor TO FILE NO SVM 13070 9 3 Auto Restart Function Default setting from factory is ON This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is set to work from the factory The Auto Restart Function will not restart operation of the air conditioner in following case e The Auto Restart Function is setup to OFF e The power supply is shut down during the air conditioner is OFF e The power supply is shut down when timer operatio is set 9 3 1 How to Cancel the Auto Restart Function To cancel Auto Restart Function proceed as follows 1 The power supply to the unit must be ON The function will not set or reset if the power supply is OFF 2 Press the RESET button located on the front panel of the indoor unit for more than 3 seconds 3 After 3 seconds the unit beep
80. eJeBujes cylinder Electronic balance Siphon R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composi tion of the charged refrigerant changes and the characteristics of the equipment varies Fig 3 4 2 3 5 Brazing of Pipes us 1 Phosphor bronze brazing filler tends to react 3 5 1 Materials for Brazing with sulfur and produce a fragile compound water solution which may cause a gas 1 Silver brazing filler leakage Therefore use any other type of Silver brazing filler is an alloy mainly composed brazing filler at a hot spring resort etc and of silver and copper It is used to join iron copper coat the surface with a paint or copper alloy and is relatively expensive though 2 When performing brazing again at time of it excels in solderability servicing use the same type of brazing filler 2 Phosphor bronze brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 5 2 Flux 3 Low temperature brazing filler 1 Reason why flux is necessary Low temperature brazing filler is generally called By removing the oxide film and any foreign solder and is an alloy of tin and lead Since it is matter on the metal surface it assists the flow weak in adhesive strength do not use it for of brazing filler refrigerant pipes In the brazing process it prevents the metal surface from being oxidized By re
81. eat Deoxidized copper pipe fhe dia 1 4 in Thickness 1 32 in 0 8mm Sectional shape of heat insulator Muffler High pressure SW Compressor DA130A1F 27F1 TS NOTE The maximum pipe length of this air conditioner is 66 ft 20m When the pipe length exceeds 50 ft 15m the additional charging of refrigerant 0 22 oz ft 20g per 1m for the part of pipe exceeded 50 ft 15m is required Max 0 22 Ibs 100g Fusible Plug Outdoor heat exchanger Split capillary 2 dia 1 2 x 80 Distributor Propeller fan OUTDOOR UNIT 00 ojc 5 Bo Max 661 20m lt Min 6 6ft 2m 2 Chargeless 50ft 15m Sg Charge 0 22oz ft 20g m BJE 51 to 66ft lt lt Pulse Modulating 69 at liquid side Refrigerant amount 3 09 Ibs 1 aoka NOTE m Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating FILE NO SVM 13070 RAS 22EKV UL RAS 22EAV UL RAS 22EKV UL RAS 22EAV2 UL Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe Outer dia 1 2 in Gant Thickness 1 32 in 0 8mm Accumulater tank Temp measurement INDOOR UNIT exchanger gt Indoor heat
82. ectors with locking mechanisms as such to disconnect them they must be pressed in the direction of the arrow while pulling them out Z P C board base P C board FILE NO SVM 13070 Part name Procedure Remarks Side cabinet 1 Side cabinet right 1 Perform step 1 in and all the steps in 2 Remove the fixing screw used to secure the side cabinet and heat exchanger 3 Remove the fixing screw screw 2 pcs used to secure the plate conduit and side cabinet 4 Remove the fixing screw screw 3 pcs used to secure the side cabinet to the bottom plate and valve fixing panel 2 Side cabinet left 1 Perform step 1 in 2 Remove the fixing screw used to secure the side cabinet left onto the heat exchanger 3 Remove the fixing screw screw 2 pcs used for securing the side cabinet to the bottom plate and heat exchanger The back body section hooked onto the bottom plate hear Detail A Detail B Detail C Fan motor 1 Perform work of item 1 of O and 2 Remove the flange nut fixing the fan motor and the propeller Flange nut is loosened by turning clock wise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 4 pcs holding by hands so that the fan motor does not fall Precautions when assembling the fan Flange e motor Tig
83. ed so that temperature of the heat exchanger does not exceed the specified value Usual cooling capacity control When the value is in Q zone the compressor speed is kept Reduction of compressor speed FILE NO SVM 13070 Description 1 When temperature of the indoor heat exchanger drops below 41 F 5 C the compressor speed is reduced P zone 2 When temperature of the indoor heat exchanger rises in the range from 43 F 6 C to under 45 F 7 C the compressor speed is kept Q zone 3 When temperature of the indoor heat exchanger rises to 45 F 7 C or higher the capacity control operation returns to the usual control in cooling operation R zone In heating operation gt Prevent overpressure control for refrigerating cycle In heating operation the sensor of indoor heat ex changer detects condensation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value Reduction of compressor speed When the value is in Q zone the compressor speed is kept Usual heating capacity control 35 1 When temperature of the indoor heat exchanger rises in the range from 126 F 52 C to 131 F 55 C compressor speed is kept Q zone When temperature of the indoor heat exchanger drops in the range from 118 F 48 C to under 131 F 55 C the compressor speed is kept Q zone 2 When temperature of the
84. ee the owner s manual 10 4 2 Cutting a Hole and Mounting the mounting Plate Cutting a hole When installing the refrigerant pipes from the rear J 00 3l S d Sen The center of the pipe hole is above the arrow gt 14 16 in 23 2 9 16 in 65 mm Fig 10 4 1 After determining the pipe hole position the mounting plate gt drill the pipe hole 2 9 16 in 65 mm at a slight downward slant to the outdoor side FILE NO SVM 13070 2 NOTE When drilling a that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately Mounting the mounting plate Anchor bolt holes _ fl NEIL am 8 i __ um ye 58 omm 3 ad jas E cU ds ig e 3 Le __ bea oo Pipe hole 2 9 16 in Hook 65 mm Pipe hole Thre d Mounting D Mounting plate Indoor unit Screw Weight Fig 10 4 2 When the installating plate is directly mounted to the wall 1 To hook up the indoor unit securely fit the mounting plate onto the wall by screwing it in the upper and lower parts 2 To mount the mounting plate on a conc
85. en the multimeter probe 15 reversed 801 FILE NO SVM 13070 11 9 How to Simply Judge Whether Outdoor Fan Motor in Good or Bad 1 Symptom Outdoor fan motor does not rotate Outdoor fan motor stops within several 10 seconds though it started rotating Outdoor fan motor rotates or does not rotate according to the position where the fan stopped etc Remote controller check code 02 Outdoor block 1A Outdoor fan drive system error 2 Cause The following causes are considered when the outdoor fan motor does not normally rotate 1 Mechanical lock of the outdoor fan motor 2 Winding failure of the outdoor fan motor 3 Position detect circuit failure inside of the outdoor fan motor 4 Motor drive circuit failure of the outdoor P C board 3 How to simply judge whether outdoor fan motor is good or bad Turn OFF the breaker Disconnect two connectors CN300 of the outdoor fan motor from the outdoor P C board Does the fan rotate without trouble when rotating it with hands CN300 If the resistance value between Red lead _ White lead White lead _ Black lead Black lead _ Red lead of the connector CN300 Motor winding is 20 10 220 it is normal Fan motor is normal Outdoor P C board error Fan motor error However GND circuit error inside of the motor may accepted in some cases when th
86. ensure that there is no leakage of refrigerant gas If the refrigerant gas leaks out of the pipe into the room and is heated by fire or something else from a fanheater stove or gas range it causes generation of poisonous gas Make sure the equipment is properly grounded Do not connect the ground wire to a gas pipe water pipe lightning conductor or telephone earth wire Improper earth work may be the cause of electrical shock Do not install the unit where flammable gas may leak If there is any gas leakage or accumulation around the unit it can cause a fire Do not select a location for installation where there may be excessive water or humidity such as a bathroom Deterioration of insulation nay cause electrical shock or fire Installation work must be performed following the instructions in this installation manual Improper installation may cause water leakage electrical shock or fire Check the following items before operating the unit Be sure that the pipe connection is well placed and there are no leaks Check that the service valve is open If the service valve is closed it may cause overpressure and result in compressor damage At the same time if there is a leak in the connection part it may cause air suction and overpressure resulting in damage to the unit or injury In a pump down operation be sure to stop the compressor unit before removing the refrigerant pipe If removing the refrigerant pipe while the compressor is opera
87. er plating by opening 4 mounting claws 2 As shown below connect the discharge resistance approx 1000 40W or plug of the soldering iron to voltage between terminals of the C14 CAUTION HIGH VOLTAGE is indicated electrolytic capacitor 15 17EA Series 500uF 400V 22EA Series 760uF 400V on P C board and then perform discharging Discharging position Discharging period Plugof 10 seconds or more Soldering iron 4 Inverter cover P C board Soldered surface 0 0 I oj ooo f Fig 11 3 FILE NO SVM 13070 11 1 First Confirmation 11 1 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 11 1 2 Confirmation of Power Voltage Confirm that power voltage is AC 208 230 10 If power voltage is not in this range the unit may not operate normally 11 1 3 Operation Which is not a Trouble Program Operation For controlling the air conditioner the program operations are built in the microcomputer as described in the following table If a claim is made for running operation check whether or not it meets to the contents in the following table When it does we inform you that it is not trouble of equipment but it is indispensable for controlling and maintaining of air conditioner Table 11 1 1 Operation of air conditioner When power breaker is turned ON the operatio
88. erence between the room tempera ture and the setup temperature Tsc Setup temperature Tsc Set temperature on remote controller Ts 0 1 0 C 0 to 2 F 3 When the room temperature is lower 2 F 1 C or less than the setup temperature turn off the compressor FILE SVM 13070 Operation flow and applicable data etc Description 2 Indoor fan In cooling operation gt motor control This operation controls the fan speed at indoor unit side Symbols The indoor fan cross flow fan is operated by the phase UH Ultra High control induction motor The fan rotates in 5 stages in H High MANUAL mode and in 5 stages in AUTO mode respec M Medium tively Table 1 M Medium L Low L Low L Low COOL ON UL Ultra Low SUL Super Ultra Low Fan speed setup MANUAL The values of fan speed and air flow volume indicate on the table are measured when the louver is inclined downward AUTO Indication Fan speed Fan speed and air flow volume broadly W6 vary with position of louver 1 When setting the fan speed to L L M 2 L M M or H on the remote W9 controller the operation is performed with the constant M H 2 speed shown in Fig 1 WC 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 2 and Table 1 according to the setup temperature Ta F C and room temperature
89. erent tools will be required EQUIPMENT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Do not bury more than 36 in 914 mm of refrigerant pipe in the ground If any section of pipe is buried there must be 6 in 152 mm vertical rise to the valve connections on the outdoor units If more than the recommended length is buried refrigerant may migrate to the cooter buried section during extended periods of system shutdown This causes refrigerant slugging and could possibly damage the compressor at start up FILE NO SVM 13070 CAUTION Exposure of unit to water or other moisture before installation could result in electric shock Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully for possible damage Report any damages to your distributor Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where noise and discharged air might disturb neighbors Please read this installation manual carefully before installing the unit It contains further important instructions for proper installation This appliance must be connected to the main power supply by means of a circuit breaker depending on the place where the unit is installed Failure to do so may cause electrical shock Follow the instructions in this installation manual to arrange the drain pi
90. excessive of heat Also take care to avoid solder bridging with the surrounding components FILE SVM 13070 PCB WP 020 ae 2 E Un T Xo Lir PCB NO MCC 5046 14 Remote A or B selection Setting the remote controller To separate using of remote control for each indoor unit in case of 2 air conditioner are installed nearly Remote Control B Setup 1 Press RESET button on the indoor unit to turn the air conditioner ON 2 Point the remote control at the indoor unit 3 Push and hold CHK e button on the Remote Control by the tip of the pencil 00 will be shown shown on the display 4 Press MODE during pushing CHK e B will show on the display and 00 will disappear and the air conditioner will turn OFF The Remote Control B is memorized Note 1 Repeat above step to reset Remote Control to be A 2 Remote Control A has not A display 3 Default setting of Remote Control from factory is A 43 1 Purpose This operation is to operate only one indoor unit using one remote controller Description When operating one indoor unit in a situation where two indoor units have been installed in the same room or nearby rooms this operation prevents the remote controller signal from being received simultaneously by both units thus preventing both units from operating Oper
91. he P C board in indoor unit Remove connector from the P C board Operate the air conditioner in COOL mode by RESET button on indoor unit Beep sound is heard if keeping pushed RESET button for 10 seconds The operation enters temporary operation mode which fixes opening degree of compressor speed Check condensation at outlet of PMV and then check operating pressure from the service port Existence of condensation at outlet of P M V If there is condensation at outlet 1 4 inch 6 35mm valve side the valve is clogged YES Replace valve Add gas Check the operating pressure from service port and add gas if pressure is low 85 11 7 How to Diagnose Trouble in Outdoor Unit Check Power Supply Voltage Rate 10 Turn OFF power supply Remove connector of compressor Check 25A fuse F01 failure NO YES Check component parts of control board assembly by visual damage burn Etc Replace fuse Turn ON power Supply Check terminal Voltage of electrolytic capacitor are in Voltage Rate 10 x 1 414 Replace control board Turn ON the unit by remote controller and wait for 3 min Cooling 17 C 86 FILE NO SVM 13070 e Connect discharge resistance approx 1000 40W or soldering iron plug between terminals of the electro lytic capacitor 500uF
92. he air conditioner will turn OFF B is now memorized Note 1 Repeat above step to reset Remote Control back to A 2 Remote Control does not display A 3 Detault setting of Remote Controller from factory is A B Display 00 Display DD 81 82 88 Gunnam Fig 10 4 29 65 10 5 EVACUATING 10 5 1 After the piping has been connected to the indoor unit you vacuum both units as once Vacuuming Evacuate the air in the connecting pipes and in the indoor unit using a vacuum pump Do not re use the refrigerant in the outdoor unit For details see the vacuum pump manual Using a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that inside oil of the pump does not flow backward into pipes of the air conditioner when the pump stops If oil inside of the vacuum pump enters the air conditioner which uses R410A refrigeration cycle trouble may happen 1 Connect the charge hose from the manifold valve to the service port of the packed valve at gas side 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the manifold valve gauge 4 Operate the vacuum pump to start evacuating Perform evacuaion for about 15 minutes if the piping length is 66 feet 20 m assuming a pump capacity of 27 liters per minute Then confirm that the comp
93. he button again 1 Purpose This function detects error on the refrigerating cycle or error on the com pressor and performs protective control Operation Control of the compressor speed The speed control is performed as described in the left table based upon the discharge temperature 12 Pulse Modulating valve P M V control Operation flow and applicable data etc This function controls throttle amount of the refrigerant in the refrigerating cycle According to operating status of the air conditioner this function also controls the open degree of valve with an expansion valve with pulse Modulation Starting up Initialize Move to initial position Compressor ON SH control Td release control PMV open degree control Turn OFF by remote controller Compressor Stop by Room Temperature Control Defrosting operation Move to Stop Move to Defrost Position Setup Position Setup from factory from factory SH Super He at amount Ts Temperature of suction pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pulse Modulating Valve 40 FILE NO 5 13070 Description 1 When starting the operation move the valve once until it fits to the stopper Initialize In this time Click
94. he lead wire cover and remove connector for the fan motor and connec tor for the louver motor from the electric parts box assembly 3 Pull out TC sensor from sensor holder of the evaporator 4 Disengage the display unit by simply pushing at the top of the display unit 5 Remove the fixing screw that secures the conduit mount electric parts box assembly LED assembly and remove the assembly lt How to assemble the electric parts box gt 1 Hook the top part of the electric parts box assembly onto the claws on the back body and secure it using the fixing screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom Earth Screw TC sensor Fan motor connector Louver motor connector Fixing screw Fixing screw LED assembly Loof the qrunding wire 95 FILE NO SVM 13070 Remarks Electric part box cover s screw Conduit mount s screw FILE NO SVM 13070 Part name Procedures Remarks Horizontal louver 1 Remove shaft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the horizontal louver leftward Evaporator 1 Follow to the procedure in the item Heat exchanger 2 Remove the pipe ho
95. hten the flange nut using a tightening torque of 3 3 Ibf ft 4 5 N m 105 1 Perform work of item 1 of D and 6 2 Extract refrigerant gas 3 Remove the partition board screw pcs 4 Remove the sound insulation material 5 Remove terminal cover of the compressor and disconnect lead wire of the compressor from the terminal 6 Remove pipe connected to the compressor with a burner Take care to keep the 4 way valve away from naked flames Otherwise it may malfunction 7 Remove the fixing screw of the bottom plate and heat exchanger 8 Remove the fixing screw of the bottom plate and valve fixing plate 9 Pull upward the refrigeration cycle 10 Remove NUT 3 pcs fixing the compres Sor to the bottom plate FILE NO SVM 13070 Remarks PARTITION BOARD PACKED VALVE FIXING PLATE COMPRESSOR Reactor 1 Perform work of item 1 of and 2 Remove screws fixing the reactors screw 5 pcs 106 Part Electronic expansion valve coil Procedure 1 Detachment 1 Perform step 1 in all the steps in and 1 in 2 Remove the coil by pull it upward 2 Attachment 1 Insert a valve coil to value body by push it downward And confirm to fix it surely FILE NO SVM 13070 Remarks Wire guard 1 Detachment 1 Perform work of
96. igerant in the cycle 1 Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit in COOL mode 3 Do not carry out additional charging When additional charging is carried out if refrigerant leaks the refrigerant composition changes in the refrigeration cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becomes abnormally high pressure and may cause a rupture or personal injury Indoor Unit Outdoor unit Refrigerant cylinder ia siphon Open close valve for charging Electronic balance for charging Service port Fig 3 4 1 Configuration of refrigerant charging 14 FILE NO SVM 13070 1 Be sure to make setting so that liquid can be charged 2 When using a cylinder equipped with a siphon liquid can be charged without turning it upside down It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant Accordingly when charging refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Cylinder with siphon Cylinder without siphon Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit Japul Ao Refrigerant ju
97. ing Cable The power supply shall be connected to the outdoor unit by 3 wires Fig 10 6 1 The connecting cable between the indoor unit and outdoor unit is 4 wires This cable provides the power for the indoor unit and the communication signal between the outdoor unit indoor Refrigerant pipe sizes unit Consult local building codes NEC National Electrical Code Liquid S eide or CEC Canadian Electrical Code for special requirements Outer Thickness Outer diameter Thickness The following are the electrical requirements Diameter In mm In mm In mm In mm Product FCU RAS 15 17EKV UL RAS 22EKV UL Model RAS 15 17EAV UL RAS 22EAV UL Insulation RAS 15 17EAV2 UL RAS 22EAV2 UL 1 4 6 35 0 03 0 8 93 8 9 52 0 03 0 8 Both lines need to be insulated Use a minimum 5 16 in 8mm wall thickness RM RE Connect to CDU FCU CDU P d saq Supp of Core 3 L1 L2 Not provide Inter connecting No of Core 4 L1 L2 S cable between FCU amp CDU Si ANGH iz Not provide MCA Minimum Circuit Amps MOCP Maximum Over Protection Device Amps 267 10 7 5 10 7 1 Gas Leak Test Valve cover Check places for flare nut connection indoor unit Check the flare nut connections for the gas leak with a gas leak detector or soap water Check places for the outdoor unit Fig 10 7 1 10 7 2 Test Operation
98. irmly but not over 0 25 0 03 kgf m Fig 10 4 12 A WARNING EXPLOSION HAZARD Do not install batteries for hard wire installation Control wire Remote controller hanger Remote controller Tighten firmly but not over 0 15 N m 0 02 kgf m Fig 10 4 13 Remark 1 It is recommended to use double insulation lead wire Control wire Screw 23 1 16L for hang remote controller Wall Screw 3 1 x 251 for to battery cover to connect remote control to the air conditioner 2 For hard wire operation 1 remote control can control only 1 indoor unit 3 In wire operation PRESET TIMER and CLOCK will return to their initial condition when the user shuts down the power supply to the air conditioner INSULATE BOTH LINES Rear right Rear left s j Richt w Right Rear right FILE NO SVM 13070 2 Die cutting Front panel slit Bottom right Changing drain hose Piping preparation Left Rear left Bottom left 1 Die cutting front panel slit With a pair of nippers cut out the slit on the leftward or right side of the front panel for the left or right connection and the slit on the bottom left or right side of the front panel for the bottom left ot right connection 2 Changing drain hose For leftward connection bottom leftward connection and rearleftward connection s piping it
99. is located on the position which it can send the command signal to the indoor unit It is because the remote controller will send signal every 30 minutes and Daily Timer operation will be restore 47 FILE NO SVM 13070 9 4 Remote control and Its functions 9 4 1 Parts name of remote controller D Infrared signal emitter Start Stop button 3 Mode select button MODE _ Temperature button AS aor MEGS Fan speed button FAN 9 PO tE Swing louver button SWING _____ Set louver button FIX preser bn On timer button ON B 8 o 8 8 Off timer button OFF den 10 Sleep timer button SLEEP D Setup button SET 9 2 Clear button CLR D 3 Memory and Preset button PRESET SWING FX HiPqWER ECO 1 One Touch button ONE TOUCH 9 9 e High power button Hi POWER D 0 OO 6 Economy button ECO le 0 6 9 0 Quiet button QUIET e q Comfort sleep button COMFORT SLEEP QU 19 Filter reset button FILTER TOSHIBA 20 Clock Reset button CLOCK Carrier 0 Check button CHK J 9 4 2 Operation of remote control 1 ONE TOUCH Press the ONE TOUCH button for fully automated operation that is customised to the typical consumer preferences in your region of the world The coutomised settings control temperature air fl
100. item 1 of 2 Remove the front cabinet and put it down so that wire guard side directs downward Perform work on a corrugated cardboard cloth etc to prevent flaw to the product 3 Remove the guard stopper 4 pcs from hook of wire guard 4 Turn the front cabinet into opposite site then pull wire guard up ward 2 Attachment 1 Insert claws 2 positions of the wire guard in the holes of the front cabinet Push the hook 4 positions by hands and fix by guard stopper Check that all the claws amp hooks are fixed to the specified positions GUARD STOPPER 107 WIRE GUARD FRONT CABINET FILE NO SVM 13070 Part name Procedure Remarks TE sensor outdoor heat exchanging temperature sensor Attachment Install the sensor onto the straight pipe part of the condenser output pipe Sensor lead Detail C TS sensor Suction pipe temperature sensor Attachment Install the senser onto the straight pipe part of the suction pipe Be careful for the lead direction of the sensor Sensor lead Sensor lead TD sensor Detail A TD sensor Discharge pipe temperature sensor Sensor lead Attachment With its leads pointed upward install the sensor onto the vertical straight pipe part of the discharge pipe TO sensor Outside air temperature sensor Attachment Insert the outdoor air temperature sensor into the holder and install the holde
101. ld PRESET for 3 seconds to memorize the setting The mark displays 3 Press PRESET Operate the preset operation 10 AUTO RESTART OPERATION To automatically restart the conditioner after the power failure Power of the unit must be on Setting 1 Press and hold the RESET button on the indoor unit for 3 seconds to set the operation 3 beep sound and OPERATION lamp blink 5 time sec for 5 soconds Do not operate ON timer and OFF timer 2 Press and hold the RESET button on the indoor unit for 3 seconds to cancel the operation 3 beep sound but OPERATION lamp does not blink 11 QUIET OPERATION To operate at super low fan speed for quiet operation except in DRY mode Press QUIET Start and stop the operation Note Under certain conditions QUIET operation may not provide adequate cooling or heating due to low sound features 12 COMFORT SLEEP OPERATION To save energy while sleeping automatically control air flow and automatically turn OFF Press 8 COMFORT SLEEP Select 1 3 5 or 9 hrs for OFF timer operation Note The cooling operation the set temperature will increase automatically 1 8 F 1 C hour for 2 hours maximum 3 6 2 C increase For heating operation the set temperature will decrease 13 SLEEP TIMER OPERATION To start the sleep timer OFF timer operation Press SLEEP Select 1 3 5 or 9 hrs for OFF timer operation 50 FILE SVM 13070 9 4 3 Name and Functions of
102. lder from the rear side of the main unit Figure 1 3 Remove two fixing screws at the left side of the end plate of the heat exchanger Pipe hoolder Figure 1 Figure 2 Figure 3 96 Part Evaporator Heat exchanger Procedures 4 Remove three fixing screw at the right side of the heat exchanger and separate the heat exchanger from the back body Figure 4 5 lt How to assemble the heat exchanger gt Heat exchanger assembly on the back body and secure it using the fixing screw without exchanger lock due to exchanger lock assemble for protection affect when transpotation FILE NO SVM 13070 One screw Figure 4 Exchanger lock Figure 5 Bearing 1 Follow to the procedure in the item 2 Remove the two screws used to secure the bearing base 3 Remove the bearing base lt Caution at assembling gt If the bearing is out from the housing push it into the specified position and then incorporate it in the main body 97 screws Bearing Part Fan motor Procedures 1 Follow to the procedure till item a 2 Loosen the set screw of the cross flow fan 3 Remove two fixing screws of the motor cover and them remove the motor cover 4 Remove two more fixing screws of the motor band and remove the motor band 5 Pull the fan motor outward 98 FILE NO SVM 13070 Set screw Two screws on mo
103. lding frame and attach a snow protection hood and plate Do not use a double stacked design Install the unit at least 19 11 16 in 500 mm above the snow accumulation line At least 19 11 16 in 500 mm Snow accumulation line Snow protection plate Snow protection hood Anchor bolts Holding frame Fig 10 3 1 56 FILE NO SVM 13070 2 CAUTION Install the outdoor unit in a location where there are no obstructions near its air intake or air outlet When the outdoor units is installed in a place that is always exposed to strong winds like on the coast or on a high story of a building use a field fabricated wind baffle To minimize the effect of strong winds specially in windy areas install the unit as shown below Fig 10 3 2 10 3 2 Refrigerant Piping Connection Flaring 1 Make sure you have enough pipe to reach indoor unit 2 Cut the pipe with a pipe cutter O x x x As 90 Obliquity Roughness Warp x s Fig 10 3 3 3 Insert a flare nut into the pipe and flare the pipe Tightening connection Align the centers of the connecting pipes and tighten the flare nut as far as possible with your fingers Then tighten the nut with a two wrenches as show below Half union Flare nut Externally Internally threaded side threaded side Use a torque wrench to tighten Use a wrench to secure Fig 10 3
104. lled as followings 18 Hi POWER Operation flow and applicable etc Hi POWER button on the remote controller is pressed When Hi POWER button is pressed while the indoor unit is in Auto Cooling or Heating operation Hi POWER mark is indicated on the display of the remote controller and the unit operates as follows 1 Automatic operation e The indoor unit operates in according to the current operation Cooling operation The preset temperature drops 2 0 F 1 C The value of the preset temperature on the remote controller does not change The indoor unit s fan speed level increase 1 tap Heating operation The preset temperature increases 3 5 F 2 C The value of the preset temperature on the remote controller does not change The indoor unit s fan speed level increase 1 tap The Hi POWER mode can not be set in Dry operation FILE NO SVM 13070 Description The Hi POWER operation will be cancelled when press Hi POWER button again 19 FILTER Indicator When the elapsed time reaches 1000 hours after conditioner operation the FILTER indicator lights After cleaning the filters turn off the FILTER indicator How to Turn Off FILTER Indicator Press RESET button on the indoor unit NOTE If RESET button is pushed while the FILTER indicator is not lit the indoor unit will start the automatic operation 20 Cord heater control V2 Series only lt Bas
105. low fan condition off indoor unit and rotate cross flow fan by hand when the unit is on standby At this time is it possible to detect DC 1V or more between 5 and 3 O of motor connector CN31 Replace indoor fan motor Peplace main P C board Y Y 81 FILE SVM 13070 4 Indoor fan motor automatically starts to rotate by turning on power supply lt Cause gt The IC is built in the indoor fan motor Therefore the P C board is also mounted to inside of the motor Ifthe P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply lt lnspection procedure gt 1 Turn on breaker 2 After Fan motor operate off A C by remote controller 3 Turn off breaker for a while then turn it ON 3 1 If fan motor not operate it means an unit in Auto restart operation see more detail in P 45 46 3 2 If Fan motor still operate follow the below 3 2 1 Remove the grille 3 2 2 Remove the cover terminal by release one screw 3 2 3 Check DC voltage with CN31 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating Use a thin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board P C board 6 Blue Yellow 5 Yellow Measure voltage between G
106. m the mounting plate pull the indoor unit toward you while pushing its bottom up at the specified parts Push Push Fig 10 4 23 Information The lower part of indoor unit may float due to the condition of piping and you cannot fix it to the installation plate In that case use the 9 screws trovided to fix the unit and the installation plate Fig 10 4 24 FILE NO SVM 13070 2 10 3 7 Drainage 1 Run the drain hose at a downward sloped angle NOTE Hole should be made at a slight downward slant on the outdoor side Do not form the drain hose into the waved shape Do not rise the drain hose 2 in x mm AX x s 167 Do not put the drain drain hose end hose end in the into water drainage ditch Fig 10 4 25 2 Put water in the drain pan and make sure that the water is being drained outside 3 When connecting extension drain hose insulate the connection part of extension drain hose with shield pipe Shield pipe 2 7277 7777 3 Drain hose Inside the room N Extension drain hose Fig 10 4 26 CAUTION Arrange the drain pipe for proper drainage from the unit Improper drainage can result in dew dropping This air conditioner has the structure designed to drain water collected from dew which forms on the
107. ment Check installation conditions such as packed valve opening refrigerant amount and power supply rate 10 both of operation and non operation condition Check P M V by measure the resistance of the coil and confirm its operation sound of initial operation etc Observe any possibility cause which may affect operation load of compressor Operate again If compressor operation is failure when 20 seconds passed count time from operation starting of compressor replace compressor 4 times When first error is detected error is count as 1 time then once operation is stop and re started After re starting operation within 15 minutes if same error is detected error count is add count become 2 times When error count comes 4 times record error to check code But after re starting operation if no error is detected and air conditioner can operate more than 15 minutes error count is cleared The others Return signal of the outdoor Indoor unit Flashes when including unit has been sent when operates compressor operation start But after continue Flashing stop that signal is stop some time Outdoor unit outdoor unit Instantaneous power stop start to operate failure when the return Some protector signal from the hardware of the outdoor unit is outdoor unit open normal circuit of signal Signal circuit of indoor P C board or outdoor P C board is failure in some period
108. n in the left and also controls the compres sor outdoor fan motor 4 way valve and pulse Modulating valve Remote controller Selection of Control contents of remote controller operation conditions ON OFF Air conditioner Air purifier Operation select COOL HEAT AUTO DRY Temperature setup Air direction Swing Air volume select AUTO LOW LOW MED MED HIGH ECO e COMFORT SLEEP ON timer setup QUIET OFF timer setup PRESET Hi POWER e ONE TOUCH Indoor unit Signal receiving Indoor unit control Command signal generating function of Indoor unit control indoor unit operation Indoor unit control Calculation function temperature calculation Indoor fan motor Activation compensation function of indoor fan Louver motor Operation command Cold draft preventive function Timer function Serial signal send receive Indoor heat exchanger release control _ l Outdoor unit Serial signal send receive Outdoor unit control inverter Frequency control of inverter output Waveform composite function Calculation function Temperature calculation Outdoor fan motor AD conversion function 4 way valve Quick heating function Pulse Modulating valve Delay function of compressor reactivation P M V Current release function Freeze prevention heater GTr over current preventive function V2 Series
109. n indicator Green of the indoor unit flashes Description The OPERATION lamp of the indoor unit flashes when power source is turned on If 0 button is operated once flashing stops Flashes also in power failure Compressor may not operate even if the room temperature is within range of compressor ON The compressor does not operate while compressor restart delay timer 3 minutes timer operates The same phenomenon is found after power source has been turned on because 3 minutes timer operates In Dry and ECO mode FAN air flow display does not change even though FAN air flow select button is operated The air flow indication is fixed to AUTO Increasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after For smooth operation of the compressor the compressor motor speed is restricted to Max 41 rps for 2 minutes and Max 91 rps for 2 minutes to 3 minutes respectively after the operation has started In AUTO mode the operation mode is changed After selecting Cool or Heat mode select an operation mode again if the compressor keeps stop status for 15 minutes In HEAT mode the compressor motor speed does not increase up to the maxi mum speed or decreases before the temperature arrives at the set temperature The compressor motor speed may decrease by hightemp release control Release
110. ng Existence of new equipment for Whether conven tional equipment can be used Note 1 Whether new equipment can be used with conventional refrigerant O Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Note 1 Note 1 Torque wrench For 01 2 in 12 7mm Connection of flare nut x Gauge manifold Charge hose Evacuating refrigerant charge run check etc Vacuum pump adapter Vacuum evacuating Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Yes Leakage detector Gas leakage check Yes Charging cylinder Refrigerant charge Note 2 Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump Reamer 9 Hole core drill 2 9 16 in 65mm Use vacuum pump by attaching Pipe bender 10 Hexagon wrench vacuum pump adapter Level vial Opposite side 3 16 in 4mm 2 Torque wrench For 21 4 3 8 in 6 35 9 5
111. not exceed the marginal level If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may result 7 Be sure to carry out installation or removal according to the installation manual Improper installation may cause refrigeration trouble water leakage electric shock fire etc 8 Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repair s may result in water leakage electric shock and fire etc 3 2 Refrigerant Piping Installation 3 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants 1 Copper Pipes It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pres sure higher than when using R22 it is necessary to choose ade
112. nsions 1 2 and 5 8 New tools for R410A New tools for R410A Applicable to R22 model Changes As pressure is high it is impossible to measure by means of Gauge manifold x conventional gauge In order to prevent any other refrigerant from being charged each port diameter has been changed In order to increase pressure resisting strength hose materials Charge hose and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size As pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur Electronic balance for refrigerant charging The size of opposite sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and 3 8 Torque wrench nominal diam 1 2 5 8 By increasing the clamp bar s receiving hole strength of spring in Flare tool clutch type the tool has been improved Gauge for projection adjustment Used when flare is made by using conventional flare tool Connected to conventional vacuum pump It is necessary to use an adapter to prevent vacuum pump oil from flowing back to the charge hose The charge hose connecting part has two ports one for conventional refrigerant 7 16 UNF 20 threads per inch and one for R410A If the vacuum pump oil mineral mixes with R410A a sludge may occur and damage
113. oard If 3 Phase output is normal replace compressor lock rotor etc Remove connecting lead wire of the compressor and operate again If outdoor fan does not operate or operation but stop after some period replace the inverter P C board If outdoor fan operates normally measure resistance of compressor winding If circuit is shortage replace the compressor Even if trying to operate again all operations stop replace inverter P C board Check sensors TE TS and connection In case of the sensors and its connection is normal check the inverter P C board Check sensors TD and connection In case of the sensor and its connection is normal check the inverter P C board Check the motor measure winding resistance shortage or lock rotor Check the inverter P C board Check sensors TO and connection In case of the sensor and its connection is normal check the inverter P C board Block distinction Check code Operation of diagnosis function Air conditioner status OFF Check code Display flashing Cause of operation error V Compressor drive output error Flashes after error is detected _ Relation of voltage current and frequency is abnormal 4 times Overloading operation of compressor caused by over charge refrigerant P M V failure etc Compressor failure High current FILE NO SVM 13070 3 Action and Judg
114. ole a 5 6 J 86 Hole R19 32 R15 1 27 64 36 S R7 32 lt 2 7 16x9 16 Oval Hole NT R5 5 3 1 81 32 50 11x14 Oval Hole S 1 4 to 26 Hole 23 5 8 600 Detail A Rear Leg 17 5 32 0436 21 11 16 550 10 7 8 275 COVER PACKED VALVE View Z 3 17 32 90 11 7 16 290 23 5 8 600 3 17 32 90 2 23 32 69 13 1 2 342 Liquid side Flare Nut 1 4 6 35 Gas side Flare Nut 1 2 12 7 View Z 3 15 32 88 _ 3 15 16 Inch more 100 mm more Service Port 2 R7 32x43 64L R5 5x17L U Shape For 5 16 13 32 8 10 Anchor Bolt 23 5 8 or more 23 5 8 600 _ 3 15 16 or more Air Inlet 100 mm or more 600 mm or more Air Outlet 23 5 8 Inch or more 600 mm or more 2 7 16x9 16 11x14 Oval Hole For 5 16 13 32 8 10 Anchor Bolt 18 5 1 5 WIRING DIAGRAM RAS 15 17 22EKV UL RAS 15 17 22EAV UL FILE NO SVM 13070 Outdoor terminal block Indoor terminal block POWER SUPPLY From outdoor Unit SHEET ME
115. oltage is also energized to ground through the sensors PMV and other low voltage circuits The sensor leads and other wires are covered with insulated tubes for protection Nevertheless care must be taken to ensure that these wires are not pinched Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Laying the board flat on an electrically conductive object such as the top panel of the air conditioner s outdoor unit while a charge is still retained by the electrolytic capacitors of the inverter s main circuit may cause short circuiting between the electrolytic capacitors and secondary circuit components and result in damage to the components Sensor leads 4 Do NOT lay the circuit board assembly flat Fig 11 2 Precautions when inspecting the control section of the outdoor unit NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC265 to 360V remains and discharging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc Discharging method 1 Remove the inverter cov
116. or revolution the speed of the outdoor fan shown in the table is selected Fan motor OFF continues Use wind for heat exchanging 2 Fan speed 400 when the motor OFF by strong wind NO Fan motor ON 3 Fan lock NO YES Air conditioner Alarm OFF display 4 Motor operates as shown in the table below In cooling operation lt 22 1 lt 50 3 MIN MIN In Heating operation Compressor speed rps lt 30 5 To gt 50 F 10 C To gt 42 F 5 5 To gt 22 F 5 C Compressor speed rps lt 55 1 To gt 100 38 C To gt 82 F 28 gt 59 15 C To gt 42 F 5 5 C To gt 32 F 0 gt 224 5 To gt 100 38 C To gt 82 F 28 gt 59 15 C To lt 22 F 5 C To gt 50 F 10 C To 2 42 F 5 590 To gt 22 F 5 C To lt 22 F 5 C When is abnormal 5 5 During ECO QUIET and comfort sleep To gt 42 F 5 5 C To 2 32 F 0 C To gt 22 b C When To is abnormal Outdoor fan speed rpm RAS 15EA Series RAS 17EA Series RAS 22EA Series RAS 15EA Series RAS 17EA Series RAS 22EA Series 33 4 control Remote contr oller Set temp Ts Operation flow and applicable data etc The cooling or heating
117. oses fully is 0 1 Louver position in cooling operation Cooling operation AUTO COOL Initial setting of Cooling storage position Louver Horizontal blowing 37 49 2 Louver position in heating operation Heating operation AUTO HEAT bor Initial setting of storage position Louver Directs downward 76 9 2 Air direction adjustment Horizontal blowing Inclined Blowing Inclined Horizontal blowing downward blowing blowing Ja V a 24 24 3 Swing e Swing operation is perfor in range 35 with the Fixed position as the center e If the swing range exceeded either upper or lower limit position swing operation is performed in range 35 from the limit Upper Limit Upper Limit Position Position Fixed Swing E Position range 35 before start swing Fixed Position Lowe Limit Swing Lower llimit before start Position range 35 Position swing Description e The louver position can be arbitrarily set up by pressing FIX button e Swing When pressing SWING button during operation the louver starts swinging mig FILE NO 5 13070 Operation flow and applicable data etc Description 9 ECO When pressing ECO button on the remote controller a lt Cooling operation gt operation Economic operation is performed
118. ound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure side valve handle of the manifold valve gauge 6 Open fully the valve stem of the packed valves both gas and liquid sides Remove the charging hose from the service port 8 Securely tighten the caps of packed valves Compound pressure gauge Pressure gauge 101 kPa 76 cmHg Manifold valve Handle Lo Charge hose EN Handle Hi O OF Keep full closed Charge hose For R410A only For R410A only Connecting pipe Vacuum pump adapter for counter flow prevention For R410A only Packed valve at liquid side Service port Valve core Packed valve at gas side Setting pin Fig 10 5 1 66 FILE NO SVM 13070 2 5 IMPORTANT POINTS FOR PIPING WORK 1 Take away dust and moisture inside of the connecting pipes 2 Tighten the connections between pipes and unit 3 Evacuate the air in the connecting pipes using a VACUUM PUMP 4 Check gas leak connected points 5 Be sure to fully open the packed valves before operation UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Never use the system compressor as a vacuum pump 10 5 2 Packed valve handling precautions Open the valve stem all the way out but do not try to open it beyond the stopper Pipe size of Packed Valve Si
119. ow strength air flow direction and other settings to provide you alternate contact with ONE TOUCH OF THE BUTTON If you prefer other settings you can select from the many other operation functions of your Toshiba unit Press ONE TOUCH Start the operaton 2 AUTOMATIC OPERATION To automatically select cooling heating or fan only operation 1 Press MODE Select A 2 Press MODE Select A 3 COOLING HEATING FAN ONLY OPERATION To automatically select cooling heating or fan only operation 1 Press MODE Select Cool zz Heat xi or Fan only 2 Press MODE Set the desired temperature Cooling Min 62 F 17 C Heating Max 86 F 30 C Fan Only No temperature indication 3 Press FAN Select AUTO LOW LOW 4 MED sa MED ag HIGH AS FILE NO 5 13070 DRY OPERATION COOLING ONLY For dehumidification a moderate cooling performance is controlled automatically 1 Press MODE Select Dry 2 Press 8 MODE Set the desired temperature Hi POWER OPERATION To automatically control room temperature and airflow for faster cooling or heating operation except in DRY and FAN ONLY mode Press HI POWER Start and stop the operation ECO OPERATION To automatically control room to save energy except in DRY and FAN ONLY mode Press ECO Start and stop the operation Note Cooling operation the set temperature will increase automatically 1 8 1 C hour for
120. pe for proper drainage from the unit Ensure that drained water is discharged Improper drainage can result is water leakage causing water damage to furniture Tighten the flare nut with a torque wrench using the prescribed method Do not apply excess torque Otherwise the nut may crack after a long period of usage and it may cause the leakage of refrigerant Wear gloves heavy gloves such as cotton gloves for installation work Failure to do so may cause personal injury when handling parts with sharp edges Do not touch the air intake section or the aluminum fins of the outdoor unit It may cause injury Do not install the outdoor unit in a place which can be a nest for small animals Small animals could enter and contact internal electrical parts causing a failure or fire Request the user to keep the place around the unit tidy and clean Make sure to conduct a trial operation after the installation work and explain how to use and maintain the unit to the customer in accordance with the manual Ask the customer to keep the operation manual along with the installation manual FILE NO SVM 13070 DANGER FOR USE BY QUALIFIED PERSONS ONLY TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK CONNECT THE CONNECTING CABLE CORRECTLY IF THE CONNECTING CABLE IS CONNECTED WRONGLY ELECTRIC PARTS MAY BE DAMAGED CHECK THE EARTH WIRE THAT IT IS
121. quate materials Thicknesses of copper pipes used with R410A are as shown in Table 3 2 1 Never use copper pipes thinner than 0 0315 in 0 8 mm even when it is available on the market FILE NO SVM 13070 Table 3 2 1 Thicknesses of annealed copper pipes Thickness in mm Nominal diameter in Outer diameter mm R410A R22 0 0315 0 80 0 0315 0 80 0 0315 0 80 0 0315 0 80 0 0315 0 80 0 0315 0 80 2 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all contaminants a Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 3 2 3 to 3 2 6 below b Socket Joints Socket joints are such that they are brazed for connections and used mainly for thick pipings whose diameter is larger than 0 7874 in 20 mm Thicknesses of socket joints are as shown in Table 3 2 2 Table 3 2 2 Minimum thicknesses of socket joints Reference outer diameter of Minimum joint thickness Nominal diameter in copper pipe jointed mm in mm 0 0197 0 50 0 0236 0 60 0 0276 0 70 3 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe inte
122. r onto the heat exchanger TO sensor CAUTION During the installation work and on its completion take care not to damage the coverings of the sensor leads on the edges of the metal plates or other parts It is dangerous for these coverings to be damaged since damage may cause electric shocks and or a fire CAUTION After replacing the parts check whether the positions where the sensors were installed are the proper positions as instructed The product will not be controlled properly and trouble will result if the sensors have not been installed in their proper positions 108 FILE NO SVM 13070 13 EXPLODED VIEWS AND PARTS LIST 13 1 Indoor Unit E Part Location ne Location Part E Description Description No No No 407 43750327 SENSOR HEAT EXCHANGER 43T69856 PC BOARD RAS 15EKV UL 43160402 TERMINAL 3P 43769857 PC BOARD RAS 17EKV UL 43150325 TEMPERATURE SENSOR 43T69858 PC BOARD RAS 22EKV UL 43162003 CORD CLAMP 43121434 STEPPING MOTOR 43T6V316 PC BOARD ASSY WRS LED 43160386 MOTOR CORD 109 FILE NO SVM 13070 13 2 Indoor Unit Electric Parts Assembly Location m Location Part 2 Description Description No No No 213 43T00052 PANEL ASSY SERVICE 43T39022 BAND MOTOR RIGHT UP 43T09492 GRILLE OF AIR INLET 43T39023 BAND MOTOR RIGHT DOWN 43T03014 BODY ASSY BACK 43T44030 EVAPORATOR ASSY 43T80331 FILTER AIR 43T19333 HOLDER S
123. refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pressure in the refrigeration cycle becomes abnormally high and it may cause personal injury etc by a rupture 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air condi tioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 3 refrigeration gas leakage occurs during installation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur 4 When installing or removing an air conditioner do not allow air or moisture to remain in the refrig eration cycle Otherwise pressure in the refrig eration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a large volume of refrigerant is installed in a small room it is necessary to exercise care so that even when refrigerant leaks its concentration does
124. rent Operating current lt Setup value compressor driving inverter This function also controls drive circuit of the compressor speed so that electric power of the compressor drive circuit does not exceed the specified value Outdoor temp To Setup of current release point High Reduce compressor speed Current decrease Cooling current release value RAS 22EA Series 7 05A 9 30A 10 50A _ 34 1 The input current of the outdoor unit is detected in the inverter section of the outdoor unit 2 According to the detected outdoor temperature the specified value of the current is selected 3 Whether the current value exceeds the specified value or not is judged 4 If the current value exceeds the specified value this function reduces the compressor speed and controls speed up to the closest one commanded from the indoor unit within the range which does not exceed the specified value Heating current release value RAS 15EA Series RAS 17EA Series RAS 22EA Series 8 77A 10 88A 6 Release protective control by tempera ture of indoor heat exchanger Indoor heat exchanger temperature Indoor heat exchanger temperature Operation flow and applicable data etc lt ln cooling dry operation gt Prevent freezing control for indoor heat exchanger In cooling dry operation the sensor of indoor heat exchanger detects evaporation temperature and controls the compressor spe
125. rete wall with anchor bolts drill the anchor bolt holes as illustrated in the figure shown below 3 Make sure the mounting plate is leveled CAUTION When installing the mounting plate with a mounting Screw do not use the anchor bolt holes Otherwise the unit may fall down and result in personal injury and property damage Installation plate Keep horizontal direction Anchor bolt a Projection gt 9 16 in 15 mm or less Fig 10 4 3 59 FILE SVM 13070 2 ae CAUTION Be sure to refer to the system wiring diagram 3 16 in 6 mm dia ho Mounting screw located inside the front panel 5 32 in x 1 in 4 mm x 25 mm Check local electrical codes and also any Clip anchor specific wiring instructions or limitations Pu field supplied parts Fig 10 4 4 Air inlet grille CAUTION d Failure to firmly install the unit may result in Front panel personal injury and property damage if the unit falls Fig 10 4 5 In case the unit is to be installed in a block brick concrete or similar type walls make 3 16 in 5 mm dia holes in the wall 4 5 16 in 110 mm Ground Ine Insert clip anchors for appropriate mounting screws S sese e NOTE t Secure four corners and lower parts of the mounting plate with 4 to 6 mounting screws to install it sain comm 3 5 32 in 80 mm
126. rior that no other oil than lubricating oils used in the installed air water heat pump is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare processing procedures and precautions a Cutting the Pipe By means of a pipe cutter slowly cut the pipe so that it is not deformed b Removing Burrs and Chips If the flared section has chips or burrs refrigerant leakage may occur Carefully remove all burrs and clean the cut surface before installation c Insertion of Flare Nut 240 d Flare Processing Make certain that a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conven tional flare tool Flare processing dimensions differ according to the type of flare tool When using a con ventional flare tool be sure to secure dimen sion A by using a gauge for size adjustment Nominal diameter in FILE NO SVM 13070 Table 3 2 3 Dimensions related to flare processing for R410A Outer diameter mm Thickness in mm 0 0315 0 8 A in mm Fig 3 2 1 Flare processing dimensions Flare tool for R410A clutch type 0 to 0 0197 0 to 0 5 Conventional flare tool Clutch type 0 0394 to 0 0591 1 0 to 1
127. s 1 When the stop signal from the remote controller or timer off function is received only the timer indicator light 2 The period of the Self Cleaning operation operation performed prior to the reception of the stop code 3 After the Self Cleaning operation has been performed for the specified period the unit stops operating During Self Cleaning operations The louver opens slightly The indoor fan operates continuously at a speed of 500 rpm Self Cleaning operation times Operation time Self Cleaning operation time No Self Cleaning operation performed 0 minutes Up to 10 minutes Cooling Auto cooling Dry 10 minutes or longer 30 mins Heating Auto heating Auto fan only No Self Cleaning operation performed Shutdown To stop an ongoing Self Cleaning operation at any time Press the start stop button on the remote controller twice during the Self Cleaning operation After pressing the button for the first time press it for the second time without delay within 10 minutes 41 FILE NO SVM 13070 13 Self Cleaning function Operation display Self Cleaning diagram ON OFF OFF FCU fan ON ON rpm is depend on presetting 500RPM OFF FCU louver OPEN OPEN 12 7 CLOSE Timer display ON or OFF ON ON or OFF depend on presetting of timer function depend on presetting of timer function Compressor ON or OFF
128. s passed after operation start FAN AUTO When 12 to 25 minutes passed after operation and room temp is higher than set temp 5 4 F 3 C start and room temp is 5 4 F 3 C or lower than set temp When 25 minutes or more passed after operation start FAN Manual Room temp lt Set temp 7 2 F 4 C Room temp gt Set temp 6 3 F 3 5 C 3139 3 Outdoor fan motor control Air conditioner ON Remote controller Indoor unit controller 1 Outdoor unit operation command Outdoor fan control Operation flow and applicable data etc The blowing air volume at the outdoor unit side is controlled Receiving the operation command from the controller of indoor unit the controller of outdoor unit controls fan speed For the fan motor a DC motor with non stage variable speed system is used However it is limited to 8 stages for reasons of controlling FILE NO SVM 13070 Description 1 The operation command sent from the remote controller is processed by the indoor unit controller and transferred to the controller of the outdoor unit 2 When strong wind blows at outdoor side the operation of air conditioner continues with the fan motor stopped 3 Whether the fan is locked or not is detected and the operation of air conditioner stops and an alarm is displayed if the fan is locked 4 According to each operation mode by the conditions of outdoor temperature To and compress
129. s three times When the system is on stand by not operating Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds The unit starts to operate The green indicator is on After approx three seconds The unit beeps three times and continues to operate If the unit is not required to operate at this time press RESET button once more or use the remote controller to turn it off RESET button When the system is operating Operation Motions Press RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds The unit stops operating The green indicator is turned off After approx three seconds The unit beeps three times If the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on RESET button 46 FILE NO SVM 13070 9 3 2 How to Set the Auto Restart Function To set Auto Restart Function proceed as follows 1 The power supply to the unit must be ON The function will not set or reset if the power supply is OFF 2 Press the RESET button located on the front panel of the indoor unit for more than 3 seconds 3 After 3 seconds the unit beeps three times and the indicator blinks for 5 seconds
130. tach the electric parts cover and the valve cover on the outdoor unit RUN PIPING AND INTERCONNECTING CABLE TO THE INDOOR UNIT e N _ 57 FILE NO SVM 13070 2 10 3 4 Electrical Work ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death The unit cabinet must have an uninterrupted or unbroken ground to minimize personal injury if an electrical fault should occur The ground may consist of electrical wire or metal conduit when installed in accordance with existing electrical codes Make sure main power switch is turned OFF before performing service or maintenance UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Unit failure as a result or of improper line voltage application or excessive phase imbalance constitutes abuse and may cause damage to electrical components Such operation could void any applicable warranty 1 The supply voltage must be the same as the rated voltage of the air conditioner 2 Prepare the power source for exclusive use with the air conditioner NOTE Power supply cord Wire type minimum AWG14 Stripping length of the Power supply cord and Interconnecting cable r4 Terminal block H H i H HH ho L1 12 S L1 12 0 Interconnecting cable
131. th the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this unit Proceed very carefully when conducting checks since directly touching the parts on the control circuit board may result in electric shocks 12 1 Indoor Unit Part name Procedures Remarks Front panel 1 Stop operation of the air conditioner and turn off its main power supply 2 Open the air inlet grille push the arm toward the outside and remove the grille 3 Remove the left and right air filters 93 Part Front panel Procedures 4 Press PUSH part under the front panel and remove hooks of the front panel from the installation plate 5 Remove the front panel fixing screws 4 pcs 6 Take off four hooks of panel from rear side lt How to assemble the front panel gt FILE NO SVM 13070 Remarks Installation plate Front panel Four hooks 1 Press three center positions and two lower center positions of the air outlet and then hang the hanging hooks 4 pcs at the top side of the front panel to the rear plate 2 Tighten four screws Incomplete hanging or incomplete pressing may cause dewdrops or generation of a fluttering sound 94 Part Electric parts box assembly Procedures 1 Remove screw of earth lead attached to the end plate of the evaporator 2 Remove t
132. ting with the service valve opened it may cause air suction and overpressure resulting in damage to the unit or injury Do not modity the power cable connect the cable midway or use a multiple outlet extension cable Doing so may cause contact failure insulation failure or excess current resulting in fire or electrical shock If you detect any damage do not install the unit Contact your dealer immediately FILE NO SVM 13070 2 SPECIFICATIONS 2 1 Specifications RAS 15 17EKV UL RAS 15 17EAV UL RAS 15 17EKV UL RAS 15 17EAV2 UL Unit model Cooling capacity Btu h Cooling capacity range Btu h Heating capacity Btu h Heating capacity range Btu h Power supply Electric Operation mode characteristic Running current 208 230V Power consumption 208 230V w Power factor Outdoor Operation mode Power consumption 208 230V w A Running current 208 230V A Power factor Starting current A EER Cooling Heating SEER or HSPF Cooling Heating dB A L gt c 3 Cooling Heating dB A Cooling Heating dB A Outdoor Cooling Heating dB A Indoor unit in mm in mm in mm Ibs kg W Cooling Heating Outdoor unit mm in mm in mm Ibs kg Motor output W Type Fan motor output W Air flow rate Cooling Heating Piping Type connection Liquid side in mm in mm Liquid side in mm Gas side in mm Maximum
133. to stop operation 9 A B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller setting is A there is no indication at this position 10 Comfort sleep Indicates when comfort sleep is activaled Press comfort sleep button to select function 1 1 Quiet Indicates when quiet is activated Press quiet button to start and press it again to stop operation 12 One Touch Indicates when one touch comfort is activated Press one touch button to start the operation 13 Swing Indicates when louver is swing Press swing button to start the swing operation and press it again to stop the swing operation 51 10 INSTALLATION PROCEDURE 10 1 Installation Diagram of Indoor and Outdoor Units 88 E o6 o Air inlet grille Installation Kw plate Shield pipe 2 Batteries 8 Flat head wood screw 4 Remote contro holder Vinyl tape Apply after carrying out a drainage test Wireless remote control 24 in 600 mm or more only when unobstructed to the front and both sides Extension drain hose Not available provided by installer Remark Details of accessory and installation parts can be found in the accessory section Loading Batteries 1 Remove the battery cover 2 Insert 2 new batteries AAA type following the and positions
134. tom left piping gt e After making slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 10 4 20 63 line and wrap facing tape around them e Bind the refrigerant lines two and connecting cable with facing tape tightly In case of leftward piping and rear leftward piping bind the refrigerant lines two only with facing tape Indoor unit Refrigerant lines _ Connecting cable Installation plate Carefully arrange pipes such that none of them stick out the rear plate of the indoor unit e Carefully connect the refrigerant lines and connecting pipes to one another and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc e Check for gas leaks before insulating A 10 3 6 Indoor Unit Fixing 1 Pass the pipe through the hole in the wall and hook the indoor unit on the installation plate at the upper hook 2 Swing the indoor unit to right and left to confirm that it is firmly hooked on the installation plate 3 While pressing the indoor unit onto the wall hook it at the lower part on the installation plate Pull the indoor unit toward you to confirm that it is firmly hooked on the installation plate es Hook here D Installation plate Push unhook Fig 10 4 22 For detaching the indoor unit fro
135. tor cover Li Remarks Two screws on motor band Part Cross flow fan Procedures lt Caution at reassembling gt 1 To incorporate the fan motor incorporate the motor into the position in the following figure and then install the fan motor Install the cross flow fan so that the right end of the 1st joint from the right of the cross flow fan is set keeping 5 0 mm from closed wall of the main unit Holding the set screw install the cross flow fan so that flat area on shaft of the fan motor comes to the mounting hole of the set screw Perform positioning of the fan motor as follows When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front After assembling the two hooking claws of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws 5mm Fan motor D shaft 99 FILE NO SVM 13070 Remarks 12 2 Microcomputer Part name Common procedure Procedure 1 Turn the power supply off to stop the operation of air conditioner 2 Remove the front panel Remove the 2 fixing screws 3 Remove the electrical part base 100 FILE NO SVM 13070 Remarks Replace terminal block microcomputer ass y and the board ass y
136. trol circuit CPU and of the board and not apply force to the peripheral circuits buzzer and Driving circuit parts of louver 3 When connecting or disconnecting the connec b Indication unit of infrared ray receiving tors on the P C board hold the whole housing Infrared ray receiving circuit LED Do not pull at the lead wire 11 8 2 How to shorten time for start the compressor 1 Turn on remote 2 Setting requirment operation X 3 Push off remote 4 Press SET button while pressing CHECK button 4 with tip of a pencil 4 5 Then press 6 button to transmit the signal to the m EE indoor unit PRESET FAN TEMP Y ONE TOUCH MODE COMFORT SLEEP QUIET SWING FIX Hi POWER ECO me o ON OFF CHK FILTER CLOCK TOSHIBA Carrier This setting helps to shortern a compressor waiting period when operate cool heat or dry mode A compressor suddenly starts one order of Remote controller is received 88 FILE NO SVM 13070 11 8 2 P C Board Layout T3 15A 250V u 1 Sensor characteristic table gt o c s Discharge temp sensor Room temp sensor Heat exchanger temp sensor Outdoor temp sensor Outdoor heat exchanger temp sensor Suction temp sensor 0 10 20 30 40 50 Temperature
137. urs Repeat pressing to setect thehours 1hr 3hr 5hr or 9 hr If the COMFORT SLEEP button is pressed again means cancel comfort sleep mode The principles of comfort sleep mode are Quietness for more comfortable When room temperature reach setting temperature Save energy by changing room temperature automatically The air condition can shut down by itself automatically Remarks Comfort sleep mode will not operate in dry mode and fan only mode 17 One Touch Comfort One touch comfort is the fully automated operation that is set according to the preferable condition in a region Fan Operation AUTO AUTO L Time after operation starts min AUTO L Fan operates depends on the setting temperature and room temperature During the One Touch Comfort mode if the indoor unit receives any signal with other operation mode the unit will cancel the comfort mode and operates according to the signal received _ 44 Operation condition for model to Europe market When an indoor unit receives One Touch Comfort Signal from the remote controller the indoor unit operates as following 1 Air conditioner starts to operation when the signal is received even if the air conditioner was OFF 2 Operation mode is set according to room temperature the same as AUTO mode 3 Target temperature is 75 F 24 C 4 Louver position is set as stored position of the operating mode 5 Fan is contro
138. used DI REIR 30 3 AUTO operati N kuu ate ter Rada bus taste d soe E eru 30 4 ee 30 2 Indoor fan motor control r r 31 Outdoor fan motor control r 33 Capacity E 34 5 Current release control 34 6 Release protective control by temperature of indoor heat exchanger 35 7 Defrost control Only in heating operation 36 Sem gooniilMME E 37 1 Louver POSION 37 2 Air direction adjustment desine bt pte tcp ndr Sede 37 gy Mee cc 37 9 ECO Operation ir RR ER YS 38 10 Temporary 39 11 Discharge temperature control nnne nente nnn 39 12 Pulse Modulating valve P M V control eeem 40 13 Self Cleaning function cem 41 14 Remote A or B selection 43 co e Etre patet u u teda wa DER 44 16 COMFORT SLEEP MOUS a EE EN 44 17 One Touch Comfort a C a nnns 44 18 H POW
139. utlet 23 5 8 in 3 17 32 in 600 mm 90 mm Fig 10 2 1 Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong winds e Use 25 16 in 28 mm or 3 8 in 10 mm anchor bolts and nuts 53 10 2 2 Accessory and installation parts FILE NO SVM 13070 2 Part Part Part Part Part Part Q ty eer 16 LIS Installation plate x 1 Remote control holder x 1 Mounting screw 24 x 25 2x6 Flat head wood screw Wireless remote control x 1 Toshiba New IAQ filter L x 1 3 1 x 16 t x 2 2 Toshiba New IAQ filter L x 1 Screw 24 x 10 x 2 Others Name Owner s manual Installation manual 54 FILE NO SVM 13070 10 2 3 Installation Servicing Tools Changes in the product and components In the case of an air conditioner using R410A in order to prevent any other refrigerant from being charged accidentally the service port diameter of the outdoor unit control valve 3 way valve has been changed 1 2 UNF 20 threads per inch In order to increase the pressure resisting strength of the refrigerant piping flare processing diameter and size of opposite side of flare nuts has been changed for copper pipes with nominal dime
140. valve opening refrigerant Ei m 11 5 Judgement of Trouble by Every Symptom 11 5 1 Indoor unit Including remote controller 1 Indoor unit is not operated Turn off power supply once and 5 second later turn it on again NO Is OPERATION indicator flashing YES Is it possible to turn on A C by pushing button on remote controller YES Unit operates normally when push Is fuse F01 Does transmission mark on remote controller flash normally and is its signal transmitted properly Point remote to digital camera Can see infrared ray at sending LED on camera monitor FILE NO SVM 13070 Check Item Considerable principle cause Measures Item by symptoms Remote controller is defective Refer to 5 Troubleshooting for remote controller Replace remote control cy button YES Does fan motor connector ES of indoor control board blown Is voltage DC5V 12V and 15V indicated on rear of indoor control board nor mal NO Does connection between PC Board and reciver PCB are connect properly Reconnect housing between CN10 D YES short circuit Replace main Microcomputer is defective 21 board Replace fan motor 2
141. ze of Hexagon wrench 1 2 in 12 7 mm and smallers 3 16 in 4 mm Securely tighten the valve cap with torque in the following table Cap Cap Size H Torque 43 64 in 3 4 in H17 H19 10 to 13 14 48 Valve Rod Cap 55 64 in 1 3 16 in H22 H30 24 to 31 33 42 N m 35 64 in 37 to 46 Ibf ft H14 50 62 N m Service Port Cap 43 64 in 10 to 13 Ibf ft 14 18 N m Service Port Cap Valve Rod Cap Fig 10 5 2 FILE SVM 13070 2 10 6 SYSTEM REQUIREMENTS 10 6 1 Piping Field supplied Refrigerant charge Minimum refrigerant line length between the outdoor Length of refrigerant Pipe Additional refrigerant unit and indoor unit is 6 6ft 2m Maximum pipe lengths 6 6 50 FP 9 2 15 Unit ft m None Height difference Indoor Outdoor H ft m Add 0 22oz ft 20g m of 50 66 Refrigerant for piping that exceeds 15 20m 508 15m up to 66ft 20m Allowable Pipe length T ft m 66 20 33 10 Caution during addition of refrigerant Max amount of additional refrigerant is 0 22 Ibs 100g Charge the refrigerant accurately Overcharging may cause serious trouble to the compressor Minimum refrigerant pipe is 6 6ft 2m Using pipe shorter than that may cause a malfunction of the compressor or other components 10 6 2 Power supply Connection and Connect

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