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TECHNICAL DATA
& SERVICE MANUAL

INDOOR UNIT: CAV182C5TA-

SPLIT SYSTEM AIR CONDITIONER 

0.8180.255.0     05/2002

Model No.

Product Code No.

CAV182C5TA-

387106938

Summary of Contents for 387106938

Page 1: ...TECHNICAL DATA SERVICE MANUAL INDOOR UNIT CAV182C5TA SPLIT SYSTEM AIR CONDITIONER 0 8180 255 0 05 2002 Model No Product Code No CAV182C5TA 387106938...

Page 2: ...w wiring to touch the refrigerant tubing compressor or any moving parts of the fan Do not use multi core cable when wiring the power supply and control lines Use separate cables for each type of line...

Page 3: ...and Float Switch 11 5 TROUBLESHOOTING 12 5 1 Check before and after troubleshooting 12 5 2 Air conditioner does not operate 12 5 3 Some part of air conditioner does not operate 16 5 4 Air conditioner...

Page 4: ...ns Unit Height mm Width mm Depth mm Ceiling panel Height mm Width mm Depth mm Package dimensions Unit Height mm Width mm Depth mm Volume m3 Ceiling panel Height mm Width mm Depth mm Volume m3 Weight U...

Page 5: ...ety devices Type Operating temp Open C Close C Run capacitor F VAC Flap Motor Type Model Rating No of poles rpm Nominal output W Coil resistance Ambient temp 20 C k Heat Exch Coil Coil Rows Fin pitch...

Page 6: ...Resistance Thermistor Room sensor TH2 Resistance Drain pump Model Rating Voltage Input Total head capacity Safety float switch Model Contact rating ATR J105 AC 230V 50 60Hz 19V 0 526A 10 VA Primary W...

Page 7: ...2 DIMENSIONAL DATA 7...

Page 8: ...3 ELECTRICAL DATA 3 1 Electric Wiring Diagrams 8...

Page 9: ...rant pressure the control circuit has a built in automatic time delay to allow the internal pressure to equalize As a protective measure the control circuit switches the compressor OFF not before than...

Page 10: ...ndoor fan Continuous operation L low speed LL very low speed intermittent ventilation only while the compressor is ON Dry B zone Compressor FMI indoor fan Intermittent operation ON for 3 minutes and O...

Page 11: ...Drain Pump Float Switch NOTE Either in Heating or another mode or the unit is stopped when the float switch is turned ON the drain pump operates for 20 minutes minimum OFF OFF OFF OFF OFF OFF ON ON O...

Page 12: ...is not damaged Check that lead wires and connectors are firmly connected Check that wiring is correct 5 2 Air conditioner does not operate 5 2 1 Circuit breaker trips or fuse blows A When the circuit...

Page 13: ...is set in ON position Set OPERATION selector switch to ON Indoor PCB Ass y is defective NO Check power supply Power is being supplied to the indoor unit Circuit breaker is tripped Power failure Reset...

Page 14: ...sure resistance of primary and secondary winding of transformer TR Indoor PCB Ass y is defective OK Measure resistance of indoor and outdoor fan motor winding FM Measure resistance of compressor motor...

Page 15: ...Ass y is defective Indoor PCB Ass y is defective Check voltage between terminals No 2 and No 4 at terminal plate 220 AC No voltage appears OK NO Is room temperature too low Try to lower setting tempe...

Page 16: ...matter in bearings Remove foreign matter or repair Repair or replace Measure resistance of outdoor fan motor winding Check fan motor capacitor Measure resistance of flap motor winding Fan cannot be t...

Page 17: ...otor winding is abnormally high Refrigerant gas shortage Charge refrigerant gas Measure power supply voltage Rotor may be locked up The voltage is too low 5 3 5 Compressor and outdoor fan do not run F...

Page 18: ...ion of remote control unit Cool air from air conditioner reaches position directly Change position of remote control unit Wide and narrow tubes between indoor unit and outdoor unit are insulated Insul...

Page 19: ...will blink when either indoor coil thermistor or room air thermistor is defective At the same time the outdoor unit will stop Indoor unit will operate only for ventilation NOTE Operation lamp on fron...

Page 20: ...sure the resistance by placing a probe on each terminal screw on the terminal plate Fig 2 Note that the ground line terminal should be skipped for the check 6 1 4 Measurement of Insulation Resistance...

Page 21: ...n place a probe on the capacitor terminals as shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good i...

Page 22: ...s on the PCB of each indoor unit with the switch positions of its remote control unit To change address on PCB 1 Set the switch n 2 to off position on the address dip switch S01 see detail on figure T...

Page 23: ...R D 28 Reyrieux BP 131 01601 Tr voux CEDEX France T l 04 74 00 92 92 Fax 04 74 00 42 00 R C S Bourg en Bresse B 759 200 728...

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