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4.

Take off the mounting tab at the left of the Heat Exchanger, pull
the Heat Exchanger forward (left side) and remove the Cross
Flow Fan. (Fig 11.)

Fig. 11

12.4. OUTDOOR UNIT SERVICING

Outdoor Unit can be serviced by just removing the outdoor chassis
front 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.

46

CS-VC70KE / CU-VC70KE / CS-VC90KE / CU-VC90KE / CS-VC120KE / CU-VC120KE

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Содержание CS-VC70KE

Страница 1: ...Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE Room Air Conditioners Order num...

Страница 2: ...IT INSTALLATION DIAGRAM 36 11 2 Way 3 Way Valves 37 11 1 EVACUATION OF INSTALLATION 38 11 2 PUMPING DOWN 39 11 3 EVACUATION OF RE INSTALLATION 40 11 4 BALANCE REFRIGERANT OF THE 2 WAY 3 WAY VALVE 41 1...

Страница 3: ...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 VC70KE CS VC90K...

Страница 4: ...2 Functions 2 1 REMOTE CONTROL 4 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 5: ...2 2 INDOOR UNIT 5 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 6: ...2 3 OUTDOOR UNIT 6 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 7: ...Depth inch mm 6 29 32 175 9 21 32 245 Net Weight lb kg 18 8 0 57 26 0 Compressor Type Rotary 1 cylinder rolling piston type Motor Type Induction 2 poles Rated Output W 550 Air Circularizing Type Cros...

Страница 8: ...pressor Capacitor F VAC 15 F 400VAC Fan motor Capacitor F VAC 0 6 F 400VAC 1 2 F 400VAC Specifications are subject to change without notice for further improvement 8 CS VC70KE CU VC70KE CS VC90KE CU V...

Страница 9: ...ylinder rolling piston type Motor Type Induction 2 poles Rated Output W 700 Air Circularizing Type Cross flow Fan Propeller Fan Material AS Glass Fiber 30 AES Glass Fiber 12 Motor Type Transiator 4 po...

Страница 10: ...ylinder rolling piston type Motor Type Induction 2 poles Rated Output W 1100 Air Circularizing Type Cross flow Fan Propeller Fan Material AS Glass Fiber 30 AES Glass Fiber 12 Motor Type Transiator 4 p...

Страница 11: ...ht 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 pl...

Страница 12: ...way valve at Liquid side 13 at Gas side 3 way valve 93 27 5 780 57 Panasonic 4 3 CU VC120KE 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...

Страница 13: ...P INDOOR CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE OUTDOOR HEAT EXCHANGER C1 Capillary Tube EVAPORATOR HEAT EXCHANGER CONDENSER 2 WAY VALVE VALVE 3 WAY C1 STRAINER DRYER SENSOR INT...

Страница 14: ...electronic control unit Indicates the number of core wires Example 6C 6 core wires COMP O L P CU VC90KE FAN MOTOR RY L P C B INDICATOR 4C 5C STEPPING MOTOR INDOOR UNIT OUTDOOR UNIT WIRELESS REMOTE CON...

Страница 15: ...5 A BL R BL 2 MAIN SW TRANSFORMER 1 4 3 BR BR THERMAL FUSE 102 C R 3 3 2 1 1 R CN FUSE B REMOTE CONTROL CN T W T BL T BL WIRELESS REMOTE CONTROL ELECTRONIC CONTROLLER RECEIVER CN RCV W MOTOR CN STM G...

Страница 16: ...ure of the indoor heat exchanger falls continuously below 2 C for 4 minutes the compressor turns off to protect the indoor heat exchanger from freezing The fan speed setting remains the same Compresso...

Страница 17: ...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 restar...

Страница 18: ...ll not restart 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 comp...

Страница 19: ...8 2 5 Soft Dry Operation Time Diagram 19 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 20: ...at the mode determined 3 After the operation mode has been determined the mode does not change However Soft Dry mode operation includes Cooling mode operation 4 If Automatic Mode operation is started...

Страница 21: ...following movement will start to avoid overcooling The fan speed is automatically set to Low The setting temperature will be increased by 0 5 C at the start of operation and by 0 5 C one hour later Th...

Страница 22: ...er wire J2 Refer Circuit Diagram 8 7 INDOOR FAN MOTOR CONTROL Auto Fan Speed Control When set to Auto Fan Speed the fan speed is adjusted between maximum and minimum setting as shown in the table Manu...

Страница 23: ...the Airflow Direction Setting button is pressed the 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 rel...

Страница 24: ...22 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 flamma...

Страница 25: ...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 inst...

Страница 26: ...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 oppos...

Страница 27: ...sitivity 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...

Страница 28: ...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 whic...

Страница 29: ...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 remo...

Страница 30: ...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 c...

Страница 31: ...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 operati...

Страница 32: ...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 pipe...

Страница 33: ...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...

Страница 34: ...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 f...

Страница 35: ...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 ho...

Страница 36: ...10 3 INDOOR OUTDOOR UNIT INSTALLATION DIAGRAM 36 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 37: ...h 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 O...

Страница 38: ...ROCEDURE 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 torqu...

Страница 39: ...rate 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 but...

Страница 40: ...ith 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...

Страница 41: ...rge 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 tha...

Страница 42: ...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 th...

Страница 43: ...AN 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 con...

Страница 44: ...an 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 44 CS VC70KE CU VC70KE CS VC9...

Страница 45: ...MOVAL 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...

Страница 46: ...t 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 m...

Страница 47: ...pped By adding a jumper wire to the remote control side and a carbon resistor 1 4 W 10 k to the indoor printed circuit board it is possible to select from 4 types of transmission codes including the c...

Страница 48: ...13 Troubleshooting Guide 48 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 49: ...e fifteen minutes after an operationis started 13 2 DIAGNOSIS METHODS OF A MALFUNNCTION OF A COMPRESSOR Nature of fault Symptom Insuffic0ient compressing of a compressor Electric current during operat...

Страница 50: ...Cooling Soft Dry 14 Technical Data 14 1 THERMOSTAT CHARACTERISTICS CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE 50 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 51: ...14 2 OPERATION CHARACTERISTICS 51 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 52: ...52 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 53: ...cated carbon resister Tolerance 5 metal oxide resister Tolerance 1 Indications for capacitor a Unit F P pF b Type Not indicated ceramic capacitor S S series aluminum electrolytic capacitor Z Z series...

Страница 54: ...0 sec Soft Dry Off Off 6 min 36 sec Soft Dry 10 min operation On 10 min 60 sec Comp ON Deodorizing Control Cooling 40 sec 4 sec Comp ON 70 sec 7 sec Comp OFF 20 sec 2 sec Comp OFF Soft Dry 180 sec 18...

Страница 55: ...C2 10V 100 REGULATOR AM78M05 IC2 5 12 470 25V C5 I G O 12V 10k 10k b e c Q2 UN4211 C1 35V 2200 C12 0 1 R14 5 1k AN78M12 IC5 DB1 S1VB10 CN FUSE 1 2 3 2 1 XH 3 BLUE CN T VH 2 TEMPERATURE FUSE AC BLACK R...

Страница 56: ...30 50 Temperature C Temperature C 0 40 30 60 50 70 10 20 40 0 Sensor Thermistor Fig 1 Fig 5 OLP Characteristics Compressor Fig 2 Characteristics 1 Pipe Temp Sensor 2 Intake Air Temp Sensor 1 2 2 1 Vol...

Страница 57: ...16 Printed Circuit Board 16 1 INDOOR UNIT MAIN 57 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 58: ...17 Exploded View Replacement Parts List 17 1 CS VC70KE CS VC90KE 17 1 1 Exploded View 58 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 59: ...R 1 M 21 CWE39C271 INDICATOR COMPLETE 1 M 22 CWA50C521 SENSOR COMPLETE 1 M 23 CWH13383 CONTROL BOARD TOP COVER 1 M 24 CWH13C256 CONTROL BOARD FRONT COVER 1 M 25 CWH13385 CONTROL BOARD COVER PIECE 1 M...

Страница 60: ...17 2 CS VC120KE 17 2 1 Exploded View 60 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 61: ...21 CWE39C271 INDICATOR COMPLETE 1 M 22 CWA50C521 SENSOR COMPLETE 1 M 23 CWH13383 CONTROL BOARD COVER 1 M 24 CWH13C256 CONTROL BOARD COVER 1 M 25 CWH13385 CONTROL BOARD COVER 1 M 26 CWA75C560 REMOTE CO...

Страница 62: ...17 3 CU VC70KE CU VC90KE 17 3 1 Exploded View 62 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 63: ...19 2 WAY VALVE 1 J 15 CWT01C598 CU VC70KE TUBE ASS Y STRAINER CAPAILLARY 1 J 15 CWT01C599 CU VC90KE TUBE ASS Y STRAINER CAPAILLARY 1 J 16 CWB10043 DRYER 1 J 17 CWH15266 SOUND PROOF BOARD 1 M 18 CWA67C...

Страница 64: ...17 4 CU VC120KE 17 4 1 Exploded View 64 CS VC70KE CU VC70KE CS VC90KE CU VC90KE CS VC120KE CU VC120KE...

Страница 65: ...10043 DRYER 1 J 17 CWH15265 SOUND PROOF BOARD 1 M 18 CWA12364 OVERLOARD PROTECTER 1 J 19 CWH17006 TERMINAL COVER 1 M 20 CWH34033 HOLDER OLP 1 M 21 CWH7080300 NUT TERMINAL COVER 1 M 22 CWG30401 SOUND P...

Страница 66: ...RCUIT M L1 L2 CWA43036 V COIL M Q3 DTC143XST TRANSISTOR M Q2 DTC114EST TRANSISTOR M Q4 Q5 2SC1740STPR TRANSISTOR M Q1 2SC1741STPR TRANSISTOR M RY H RY M CWA00160 ELECTRO MAGNETIC RELAY M RY C CWA00106...

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