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Panasonic CS-VA120KE Service Manual Download Page 42

10.3. INDOOR/OUTDOOR UNIT INSTALLATION DIAGRAM

42

CS-VA70KE / CU-VA70KE / CS-VA90KE / CU-VA90KE / CS-VA120KE / CU-VA120KE

Summary of Contents for CS-VA120KE

Page 1: ... Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE Room Air Conditioners Order number RAC9911056C2 ...

Page 2: ...T INSTALLATION DIAGRAM 42 11 2 WAY 3 WAY VALES 43 11 1 EVACUATION OF INSTALLATION 44 11 2 PUMPING DOWN 45 11 3 EVACUATION OF RE INSTALLATION 46 11 4 BALANCE REFRIGERANT OF THE 2 WAY 3 WAY VALVE 47 11 5 EVACUATION 48 12 Servicing Information 49 12 1 INSPECTION POINTS FOR THE INDOOR ELECTRONIC CONTROLLER 49 12 2 INDOOR FAN MOTOR REMOVAL PROCEDURE 49 12 3 CROSS FLOW FAN REMOVAL PROCEDURE 51 12 4 OUTD...

Page 3: ...Panel Deodorizing Air Purifying Filter Air Purifying Filter features a deodorizing function that removes unpleasant odors from the air Installation Work Improvement Long piping up to 10 m CS VA70KE CS VA90KE Long piping up to 15 m CS VA120KE Quality Improvement Low voltage protection Gas leakage protection Prevent compressor reverse cycle 2 stage OLP to protect compressor CS VA90KE CS VA120KE Serv...

Page 4: ...2 Functions 2 1 REMOTE CONTROL 4 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 5: ...2 2 INDOOR UNIT 5 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 6: ...2 3 OUTDOOR UNIT 6 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 7: ...ide 3 8 L liquid side 1 4 Drain Hose Inner diameter mm 12 Length m 0 7 Power Cord length Number of core wire 2 1 m 3 1 0 mm Dimensions Height inch mm 11 7 16 290 18 29 32 480 Width inch mm 31 15 32 799 30 23 32 780 Depth inch mm 6 29 32 175 9 21 32 245 Net Weight lb kg 18 8 0 64 29 0 Compressor Type Rotary 1 cylinder rolling piston type Motor Type Induction 2 poles Rated Output W 550 Air Circulari...

Page 8: ...min mm C C 970 5 0 1 2 C 310 11 3 1 3 C 610 6 5 1 2 Air Filter Material style P P Honeycomb Capacity Control Capillary Tube Compressor Capacitor µF VAC 25µF 370VAC Fan motor Capacitor µF VAC 1 2µF 400VAC Specifications are subject to change without notice for further improvement 8 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 9: ...ameter mm 12 Length m 0 7 Power Cord length Number of core wire 2 1 m 3 1 0 mm Dimensions Height inch mm 11 7 16 290 18 29 32 480 Width inch mm 31 15 32 799 30 23 32 780 Depth inch mm 6 29 32 175 9 21 32 245 Net Weight lb kg 18 8 0 71 32 0 Compressor Type Rotary 1 cylinder rolling piston type Motor Type Induction 2 poles Rated Output W 750 Air Circularizing Type Cross flow Fan Propeller Fan Materi...

Page 10: ...1 7 C 590 8 2 1 3 Air Filter Material style P P Honeycomb Capacity Control Capillary Tube Compressor Capacitor µF VAC 25µF 370VAC Fan motor Capacitor µF VAC 1 2µF 400VAC Specifications are subject to change without notice for further improvement 10 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 11: ...m 12 Length m 0 7 Power Cord length Number of core wire 2 1 m 3 1 0 mm Dimensions Height inch mm 11 7 16 290 19 29 32 505 Width inch mm 31 15 32 799 30 23 32 780 Depth inch mm 6 29 32 175 9 21 32 245 Net Weight lb kg 18 8 0 83 38 0 Compressor Type Rotary 1 cylinder rolling piston type Motor Type Induction 2 poles Rated Output W 1100 Air Circularizing Type Cross flow Fan Propeller Fan Material AS G...

Page 12: ...40 10 4 1 4 Air Filter Material style P P Honeycomb Capacity Control Capillary Tube Compressor Capacitor µF VAC 30µF 370VAC Fan motor Capacitor µF VAC 1 2µF 400VAC Specifications are subject to change without notice for further improvement 12 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 13: ...ght piping hole 290 115 55 60 2100 57 142 16 Remote control transmitter 45 410 Back View Installation plate hooks Drain ports Gas side Liquid side 40 710 40 276 7 60 110 100 100 Slot 2 places Slot 2 places Centre notch Indoor unit external dimensions line Installation plate Left piping hole Arrow Arrow Centre Right piping hole Installation plate positioning gauge 350 7 457 13 5 13 CS VA70KE CU VA7...

Page 14: ... way valve at Liquid side 13 at Gas side 3 way valve 93 27 5 780 57 Panasonic 4 3 CU VA120KE OUTDOOR UNIT 67 93 105 105 570 494 505 280 312 245 2 way valve at Liquid side 11 at Gas side 3 way valve 112 27 5 780 57 14 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 15: ...1 C4 C2 CHECK VALVE DRYER PIPE TEMP SENSOR T R S SENSOR TEMP INTAKE PIPE TEMP SENSOR INDOOR OUTDOOR COOLING HEATING HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER 2 WAY VALVE VALVE 3 WAY C3 STRAINER C1 C2 C3 C4 CAPILLARY TUBE 15 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 16: ...R PIPE TEMP SENSOR T R S SENSOR TEMP INTAKE PIPE TEMP SENSOR INDOOR OUTDOOR COOLING HEATING HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER 2 WAY VALVE VALVE 3 WAY C1 STRAINER C1 C2 CAPILLARY TUBE 16 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 17: ...RY HOT SINGLE 50Hz AC 230V PHASE INDOOR UNIT OUTDOOR UNIT CS CU VA70KE VA90KE VA120KE A 008 DWG P C B MOTOR TRS 4 WAY VALVE 3 15A 3C THERMAL FUSE 102 C INDOOR FAN MOTOR THERMAL FUSE 99 C RY PWR CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE C Indicates the electronic control unit Indicates the number of core wires Example 5C 5 core wires COMP O L P FOR CU VA120KE CS VA70KE CU VA70KE...

Page 18: ...ETIC RELAY B ELECTROLYTIC CAPACITOR Y G ZNR1 CR1 CT1 ZNR2 SSR1 CN MTR G MOTOR 1 3 5 CN RCV W CU VA70KE CU VA70KE CU VA90KE CU VA90KE CU VA120KE CU VA70KE CU VA90KE CU VA120KE CU VA120KE 5PS112DAA Ω 5KS150DAA Ω 3 12 4 57 2 21 3 53 CWA95230 Ω 312 9 419 5 1 2 3 CAPACITOR CAPACITOR CAPACITOR CAPACITOR 4 BLUE R ED COMPRESSO R COMPRESSO R TERMINAL TERMINAL EL ECT R OLYT I C C APACI TO R EL ECT R OLYT I ...

Page 19: ... Compressor recommences when the indoor heat exchanger temperature rises to 10 C Recovery 3 minutes waiting of Time Delay Safety Control is valid for Cooling Operation 8 1 4 Compressor Protection Control After the compressor operates for 50 seconds but the outdoor fan motor is still OFF the compressor will stop and restart automatically Time Delay Safety Control is valid If the above phenomenon is...

Page 20: ...g operation Fan speed rotates in the range of Hi to Me Deodorizing Control 1 Fan Speed is Hi until the compressor stops when the set temperature is reached 2 Fan Speed is Me after the compressor restarts 8 1 7 Cooling Operation Time Diagram 20 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 21: ...for 3 minutes during Cooling operation 8 2 2 Anti Freezing Control Same as Anti Freezing Control for Cooling Mode operation For Soft Dry operation 6 minutes waiting is valid during compressor stops 8 2 3 Compressor Protection Control Same as Compressor Protection Control for Cooling Mode Operation 8 2 4 Compressor Reverse Rotation Protection Same as Compressor Reverse Rotation Protection Control f...

Page 22: ...8 2 6 Soft Dry Operation Time Diagram 22 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 23: ...or will stop and restart automatically Time Delay Safety Control 4 minutes waiting 8 3 3 Compressor Reverse Rotation Protection Control If the compressor is operating continually for 5 minutes or longer and temperature difference between intake air and indoor heat exchanger is 5 C or less for 2 minutes the compressor will stop and restart automatically Time Delay Safety Control is valid T Indoor h...

Page 24: ...Speed is selected on the remote control during heating operation Fan speed rotates in the range of Me SLo according to the heat exchanger temperature 8 3 7 Heating Operating Time Diagram 24 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 25: ...FF duration due to overload control is accumulated up to 60 minutes and 1 minute after the compressor starts deicing starts Deicing ends when 1 12 minutes after deicing operation starts 2 TRS senses the outdoor piping temperature rises to 4 C TRS OPEN 3 Deicing will not end immediately as time delay Td is valid as shown below Time taken from deicing start to TRS OPEN T Td seconds T 3 minutes 0 3 m...

Page 26: ...8 3 9 Normal Deicing Time Diagram 8 3 10 Overload Deicing Time Diagram 26 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 27: ...conds at SLo fan speed Then the selected operation mode will continue 6 Room temperature adjustment The following are added to the setting temperature specified as above Higher 2 C Standard 0 C Lower 2 C 8 5 SLEEP MODE AUTO OPERATION 8 5 1 Cooling or Soft Dry operation When you press the SLEEP Mode the following movement will start to avoid overcooling The fan speed is automatically set to Low The...

Page 28: ...o Fan Speed the fan speed is adjusted between maximum and minimum setting as shown in the table Manual Fan Speed Control Basic fan speed adjustment 3 settings from Lo to Hi can be carried out by using the Fan Speed selection button Fan Speed High Speed Low Speed No 8 7 6 5 4 3 2 1 0 Cooling Manual Auto Sleep Soft Dry Heating Manual Auto Sleep Voltage to Fan Motor Drive Transistor V CS VA70KE 21 0 ...

Page 29: ...e automatic airflow is released and the airflow direction louver moves up and down in the range shown in the diagram The louver can be stopped by releasing the button at the desired louver position When the remote control is used to stop the operation the discharge vent is closed with airflow direction louver The left and right airflow direction louvers can be adjusted manually 8 9 DELAY ON TIMER ...

Page 30: ...R22 Composition wt R32 R125 50 50 R22 100 Boiling point C 51 4 40 8 Vaporizing pressure 25 C 1 56 Mpa 15 9 kgf cm 0 94 Mpa 9 6 kgf cm Saturated vapor density 64 0 kg m 44 4 kg m Flammability Non flammable Non flammable Ozone destroying point ODP 0 0 055 Global warming point GWP 1730 1700 b Compositional change pseudo azeotropic characteristics R410A is a pseudo azeotropic mixture comprising the tw...

Page 31: ... the outdoor unit has been changed Also to increase its ability to withstand pressure the opposing dimensions have been changed for the refrigerant pipe flaring size and flare nut Accordingly when installing or servicing refrigerant piping you must have both the R410A and ordinary tools listed below Table 3 Tools for Installation transferring or replacement Type of work Ordinary tools R410A tools ...

Page 32: ...l wrenches R410A wrenches For 1 4 opposite side x torque 17mm X 18 N m 180 kgf cm 17mm X 18 N m 180 kgf cm For 3 8 opposite side x torque 22mm X 42 N m 420 kgf cm 22mm X 42 N m 420 kgf cm For 1 2 opposite side x torque 24mm X 55 N m 550 kgf cm 26mm X 55 N m 550 kgf cm 4 Manifold gauge Because the pressure is higher for the R410A type the conventional type cannot be used Table 6 Difference between ...

Page 33: ...nsitivity for R134a at 1 the level for R410A will drop to 0 6 For detecting small amounts of gas leakage use the electric gas leak detector for HFC refrigerant Detection sensitivity with R410A is about 23 g year Fig 6 Electric gas leak detector for HFC refrigerant 8 Electronic scale for refrigerant charging Because of the high pressure and fast vaporizing speed of R410A the refrigerant cannot be h...

Page 34: ... hose fitting 1 2 UNF 20 threads The packing must also be made of an HFC resistant material Fig 9 Charging orifice and packing 9 2 3 R410A Tools Which Are Usable for R22 Models Table 9 R410A tools which are usable for R22 models R410A tools Usable for R22 models 1 Copper tube gauge for clearance adjustment OK 2 Flaring tool clutch type OK 3 Manifold gauge NG 4 Charging hose NG 5 Vacuum pump adapto...

Page 35: ... for flaring work a Cut the pipe Use a pipe cutter and cut slowly so the pipe will not be deformed b Remove burrs and clean shavings from the cut surface If the shape of the pipe end is poor after removing burrs or if shavings adhere to the flared area it may lead to refrigerant leaks To prevent this turn the cut surface downward and remove burrs then clean the surface carefully c Insert the flare...

Page 36: ...m kgf cm 1 4 6 35 14 18 140 180 18 180 3 8 9 52 33 42 330 420 42 420 1 2 12 70 55 550 55 550 9 3 3 Storing and Managing Piping Materials 1 Types of piping and their storage The following is a general classification of the refrigerant pipe materials used for ACs Because the gas pressure of R410A is approximately 1 6 times as high as that of R22 copper pipes with the thickness shown in Table 10 and ...

Page 37: ... minutes then check to make sure the low pressure gauge has reached 0 1 MPa 76 cmHg Once the vacuum process has finished fully close the handle Lo of the manifold gauge and stop the vacuum pump operation then remove the charging hose that is connected to the vacuum pump adaptor Leave the unit in that condition for 1 2 minutes and make sure that the needle of the manifold gauge does not return 2 an...

Page 38: ... sections of the piping also cannot be checked 2 Pipe cleaning A large quantity of refrigerating machine oil mineral oil adheres to existing pipes due to the refrigeration cycle circulation If the pipes are used just as they are for the R410A cycle the capacity will be lowered due to the incompatibility of this oil with the R410A or irregularities may occur in the refrigeration cycle For this reas...

Page 39: ... the manifold gauge and stop the operation of the unit 2 5 11 Quickly remove the charging hose from the service port 6 If you stop midway through the refrigerant that is in the cycle will be discharged 12 After putting on the caps for the service port and operating valve inspect around the caps for a gas leak 6 7 Fig 13 Re charging refrigerant 9 4 6 Brazing As brazing requires sophisticated techni...

Page 40: ...d with a minimum of heating area 3 Overheating Protection In order to prevent components near the brazed part from overheating damage or quality deterioration due to flame or heat take adequate steps for protection such as 1 by shielding with a metal plate 2 by using a wet cloth and 3 by means of heat absorbent 4 Movement during Brazing Eliminate all vibration during brazing to protect brazed join...

Page 41: ...ning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot discharged air Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air 10 2 3 PIPING LENGTH MO...

Page 42: ...10 3 INDOOR OUTDOOR UNIT INSTALLATION DIAGRAM 42 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 43: ...sh pin Operation Open With valve cap Open With valve cap Closed With cap Pumping down Transferring Closed Clockwise Open Counter clockwise Open Connected manifold gauge Evacuation Servicing Open Open Open With vacuum pump Gas charging Servicing Open Open Open With charging cylinder Pressure check Servicing Open Open Open Connected manifold gauge Gas releasing Servicing Open Open Open Connected man...

Page 44: ...PROCEDURE IN ORDER TO AVOID GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port cap at a torque of 18N m with a torque wrench 7 Remove the valve caps of the 2 way valve and the 3 way valve Position both of the valves to with a torque wrench open using a hexagonal wrench 4 mm 8 Mount the valve caps onto the 2 way an...

Page 45: ...erate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 MPa 0 kg cm G If the unit cannot be operated at the cooling condition weather is rather cool press the TEST RUN button so that the unit can be operated 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating 0 1 MPa 1 kg cm G to 0 3 MPa 3 kg cm G 8 Use refrige...

Page 46: ...with gas refrigerant from 3 way valve service port and then discharge the refrigerant until low side gas side gauge needle indicates 0 3 MPa 3 kg cm 7 Tighten the service port cap at a torque of 18 N m with a torque wrench 8 Remove the valve caps of the 2 way valve and the 3 way valve Position both of the valves to open using a hexagonal wrench 4 mm If air remains in the indoor unit and refrigerat...

Page 47: ...arge the refrigerant until the gauge indicates 0 05 MPa 0 5 kg cm G to 0 1 MPa 1 kg cm G If there is no air in the refrigeration cycle the pressure when the air conditioner is not running is higher than 0 1 MPa 1 kg cm G discharge the refrigerant until the gauge indicates 0 05 MPa 0 5 kg cm G to 0 1 MPa 1 kg cm G If this is the case it will not be necessary to apply an evacuation Discharge the ref...

Page 48: ... 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move for approximately 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed 11 5 EVACUATION 48 CS VA70KE CU VA70KE CS VA90KE CU...

Page 49: ...FAN MOTOR REMOVAL PROCEDURE 1 Remove the connector CN MTR GREEN of Fan Motor and connector CN STM GREEN of stepping motor from the electronic controller Release the earth wire YELLOW GREEN from the control board and sensors from its holders Refer Fig 1 Fig 2 2 Remove the Control Board The Control Board can be removed by releasing the top left and right tabs shown in Fig 2 3 4 Fig 3 Fig 4 49 CS VA7...

Page 50: ...Fan Motor securing screw at the junction with Cross Flow Fan Fig 5 Fig 5 Remove the particular piece and the Fan Motor can be taken off as shown in Fig 6 and 7 Fig 6 Fig 7 50 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 51: ...EMOVAL PROCEDURE 1 Remove the Indoor Fan Motor Refer to the removal procedure of the Indoor Fan Motor Fig 9 2 Remove the Air Discharge Grille by taking off the screws that hold the Air Discharge Grille and then pull the Air Discharge Grille in a down and forward direction 3 Pull off the Bearing at the left of the Cross Flow Fan Fig 10 Fig 10 51 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU...

Page 52: ...nt cover as shown in the Fig 12 Fig 12 12 5 REMOTE CONTROL RESET When the batteries are inserted for the first time or the batteries are replaced all the indications will blink and the remote control might not work If this happens remove the back cover of the remote control and you will find a resetting terminal and by shorting it with a minus screwdriver it will return to normal 52 CS VA70KE CU V...

Page 53: ...By adding a jumper wire to the remote control side and a carbon resistor 1 4 W 10 kΩ Ω Ω Ω to the indoor printed circuit board it is possible to select from 4 types of transmission codes including the condition at time of delivery 1 condition Remote control Indoor printed circuit board Note Switch SW B A J B Switch SW1 RX 1 A A At product delivery 2 B B 3 A Jumper wire A 10k Ω 4 B Jumper wire B 10...

Page 54: ...13 Troubleshooting Guide 54 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 55: ...AND A 4 WAY VALVE Nature of fault Symptom Insuffic0ient compressing of a compressor Electric current during operation becomes approximately 20 lower than the normal value The discharge tube of the compressor becomes abnormally hot normally 70 to 90 C The difference between high pressure and low pressure becomes almost zero Locked compressor Electric current reaches a high level abnormally and the ...

Page 56: ...14 Technical Data 14 1 THERMOSTAT CHARACTERISTICS 56 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 57: ...14 2 OPERATION CHARACTERISTICS 57 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 58: ...58 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 59: ...59 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 60: ...indicated 1 4 W b type Not indicated carbon resister Tolerance 5 metal oxide resister Tolerance 1 Indications for capacitor a Unit µ µF P pF b Type Not indicated ceramic capacitor S S series aluminum electrolytic capacitor Z Z series aluminium electrolytic capacitor SU SU series aluminium electrolytic capacitor P P series polyester system SXE SXE series aluminium electrolytic capacitor SRA SRA ser...

Page 61: ...b 4 7k 10k e c e c R57 750 R56 750 R55 750 D16 A54MA165TA5 R38 R39 A54MA165TA5 D17 R40 A54MA165TA5 D18 R41 A54MA165TA5 D19 R42 A54MA165TA5 D20 R44 A54MA165TA5 D22 R43 A54MA165TA5 D21 D23 A54MA165TA5 R45 C22 10V 100µ D24 MA723 R19 2 49k MODEL CS VA120KE CS VA70KE CS VA90KE R38 R39 R40 R45 R44 R43 R42 R41 10 2k 8 45k 2 80k 3 16k 3 74k 4 64k 6 04k 4 42k 5 62k 6 34k 4 64k 3 83k 3 57k 8 45k 10 2k 5 90k...

Page 62: ...AC 0 047µ ECQ UV A54D3SBA60F1 DB1 C7 D1 A54RB44 08V D3 1SS131 1 2 3 5 4 R5 36 R4 24 1W b e c L1 CWA 43101 T2 CWA40263 11 8 2 4 CWA40235 T1 D C A C 2SC4300M Q1 CONVERTER R3 82k C8 630V 2200P ECQF D2 MA649 CWA43036 L2 L3 CWA43036 C9 50V 680µ SXE R6 10k R8 0 47 C10 0 18µ ECQV CWA43036 L4 R7 32 4k TRANSFORMER 1 2 3 4 FUSE 99 C TEMPERATURE AC230V SINGLE PHASE 50Hz POWER SUPPLY SWITCH WHT GRY AC BRW AC ...

Page 63: ...Low Speed Temperature C 0 40 30 60 50 70 10 20 40 0 Sensor Thermistor Fig 1 Fig 3 Indoor Fan Speed Fig 4 TRS Characteristics OPEN CLOSE 4 C 3 C Fig 5 OLP Characteristics Compressor Fig 2 Characteristics 1 Pipe Temp Sensor 2 Intake Air Temp Sensor 1 2 2 1 Voltage V 30 50 0 4 3 10 20 40 0 Intake Air Pipe Temp Data 60 70 Intake Air Temp Data IC1 56 Pin Pipe Temp Data IC1 57 Pin 20 20 40 60 80 100 120...

Page 64: ...15 4 REMOTE CONTROLLER 64 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 65: ...FF Time Accumulation 60 min 360 sec Ending of Deice Operation 12 min 72 sec After Deice Ended 30 sec 3 sec Outdoor Fan ON Compressor OFF 10 sec 1 sec 4 way Valve ON 4 way Valve Control 5 min 30 sec Mode judgement 20 sec 0 sec Deice End judgement 60 sec 0 sec 120 sec 0 sec 180 sec 0 sec TRS Recovery Detection 12 min 72 sec 6 min 36 sec 3 min 18 sec 1 min 6 sec Hot start Comp Forced ON Time 30 sec 0...

Page 66: ...16 Printed Circuit Board 16 1 INDOOR UNIT MAIN 66 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 67: ...17 Exploded View Replacement Parts List 17 1 CS VA70KE CS VA90KE 17 1 1 Exploded View 67 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 68: ...TROLLER 1 J 20 CWA74321 RECEIVER 1 M 21 CWE39C271 INDICATOR COMPLETE 1 M 22 CWA50C521 SENSOR COMPLETE 1 M 23 CWH13396 CONTROL BOARD TOP COVER 1 J 24 CWH13C256 CONTROL BOARD FRONT COVER 1 M 25 CWH13385 CONTROL BOARD COVER PIECE 1 M 26 CWA75C556 REMOTE CONTROL COMPLETE 1 M 27 CWE11C590 FRONT GRILLE COMPLETE 1 M 28 CWE22C287 INTAKE GRILLE COMPLETE 1 M 29 CWD93C070 PARTICULAR PIECE 2 M 30 CWD00215 AIR...

Page 69: ...17 2 CS VA120KE 17 2 1 Exploded View 69 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 70: ...M 21 CWE39C271 INDICATOR COMPLETE 1 M 22 CWA50C521 SENSOR COMPLETE 1 M 23 CWH13396 CONTROL BOARD COVER 1 J 24 CWH13C256 CONTROL BOARD COVER 1 M 25 CWH13385 CONTROL BOARD COVER 1 M 26 CWA75C556 REMOTE CONTROL COMPLETE 1 M 27 CWE11C590 FRONT GRILLE COMPLETE 1 M 28 CWE22C287 INTAKE GRILLE COMPLETE 1 M 29 CWD93C070 PARTICULAR PIECE 2 M 30 CWD00215 AIR FILTER 2 M 31 XTN4 16C SCREW FRONT GRILLE 2 M 32 C...

Page 71: ...17 3 CU VA70KE CU VA90KE 17 3 1 Exploded View 71 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 72: ... COMPLETE 1 M 21 CWH15C081 SOUND PROOF BOARD 1 M 22 CWA12304 CU VA70KE OVERLOAD PROTECTOR 1 M 22 CWA12298 CU VA90KE OVERLOAD PROTECTOR 1 M 23 CWH17006 CU VA70KE TERMINAL COVER 1 M 23 CWH17038 CU VA90KE TERMINAL COVER 1 M 24 CWH7041200 CU VA70KE HOLDER O L P 1 M 24 CWH34033 CU VA90KE HOLDER O L P 1 M 25 CWH7080300 NUT TERMINAL COVER 1 M 26 CWG30786 SOUND PROOF MATERIAL 1 M 27 CWH10881 CONTROL BOARD...

Page 73: ...17 4 CU VA120KE 17 4 1 Exploded View 73 CS VA70KE CU VA70KE CS VA90KE CU VA90KE CS VA120KE CU VA120KE ...

Page 74: ...Y VALVE COIL 1 J 21 CWH151004 SOUND PROOF BOARD 1 J 22 CWA12364 OVERLOAD PROTECTOR 1 J 23 CWH17006 TERMINAL COVER 1 M 24 CWH34033 HOLDER OLP 1 M 25 CWH7080300 NUT 1 M 26 CWG30888 SOUND PROOF MATERIAL 1 J 27 CWH10878 CONTROL BOARD 1 M 28 CWA28K216 TERMINAL BOARD COMPLETE 1 M 29 CWA31647 SH CAPACITOR 1 M 30 CWH30057 HOLDER CAPACITOR 1 M 31 CWA31342 SH CAPACITOR 1 M 32 CWA00059 ELECTRO MAGNETIC SWITC...

Page 75: ...INTEGRATED CIRCUIT M IC7 BX7809 INTEGRATED CIRCUIT M L1 CWA43101T V COIL M L2 L6 CWA43036 V COIL M LF1 CWA49184 NOISE FILTER M Q1 CWA55C081 TRANSISTOR M Q10 Q12 DTA143XST TRANSISTOR M Q16 STA302A TRANSISTOR M Q17 STA303A TRANSISTOR M Q2 2SD2220QTA TRANSISTOR M Q3 Q5 Q7 Q9 Q13 Q15 Q18 DTC114EST TRANSISTOR M Q4 2SC1740STPQ TRANSISTOR M Q6 2SC1741ASTR TRANSISTOR M RY HOT CWA00161 ELECTRO MAGNETIC REL...

Page 76: ...MEMO ...

Page 77: ...MEMO ...

Page 78: ...Printed in Japan MS1299SO ...

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