Technibel Climatisation CAV92MR5TA Technical Data & Service Manual Download Page 8 | Manualshive

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3. ELECTRICAL DATA

3-1 Electric Wiring Diagrams

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Summary of Contents for CAV92MR5TA

Page 1: ...TECHNICAL DATA SERVICE MANUAL INDOOR UNIT CAV92MR5TA DUAL SPLIT SYSTEM AIR CONDITIONER 0 8180 277 0 08 2002...

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: ...frosting Operation Heating 14 4 7 Drain Pump and float switch 15 5 TROUBLESHOOTING 16 5 1 Check before and after troubleshooting 16 5 2 Air conditioner does not operate 16 5 3 Some part of air conditi...

Page 4: ...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 Unit Net...

Page 5: ...ty 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 m...

Page 6: ...Resistance Thermistor Room sensor TH2 Resistance Drain pump Model Rating Voltage Input Total head capacity Safety float switch Model Contact rating DTN TKS134B 25 C 5 0 3 PBC 41E S14 Primary WHT WHT...

Page 7: ...2 DIMENSIONAL DATA Units mm 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: ...a protective measure the control circuit switches the compressor OFF not before than 5 minutes of compressor operation Thermo ON When the room temperature is below T 1 C T C is set temperature Compre...

Page 11: ...ry operation does not occur when the room temperature is under 15 C which is the monitor zone When the compressor stops the indoor fan stops as well NOTE Room temp Cooling operation T 2 C Set temp T C...

Page 12: ...s overheating of the indoor heat exchange coil When the temperature of the indoor heat exchange coil rises above 59 C and if the indoor fan is L low speed then the fan speed changes from L low speed t...

Page 13: ...exchange coil have sufficiently warmed up STANDBY lamp of the indoor unit lights up when this function is working When 10 minutes has elapsed the fan speed is automatically switched to set speed rega...

Page 14: ...6 min or more and repeats 3 times continuously Heating operation 20 minutes masking 6 minutes masking Temperature in outdoor heat exchanger coil falls to 14 C or lower Preparation for defrosting Tempe...

Page 15: ...Standby lamp B Indoor fan B Indoor heat exch coil temp 35 C Light on OFF OFF OFF 1 Light on Set speed Set speed Set speed Set speed 1 OFF OFF OFF 30 sec ON ON ON 5 sec 5 sec ON ON ON ON 5 sec ON ON OF...

Page 16: ...it Insulation of outdoor unit is defective Insulation of indoor unit is defective WARNING 5 1 2 Check inter unit wiring Check that inter unit wiring is correctly connected 5 1 3 Check power supply Che...

Page 17: ...ompressor motor winding Measure resistance of 4 way valve s winding In case of Heating operation 6 2 2 Neither indoor nor outdoor unit runs A Power is not supplied B Check OPERATION selector switch in...

Page 18: ...ary and secondary winding of transformer TR Indoor PCB Ass y is defective OK OK Measure resistance of indoor and outdoor fan motor winding FM Measure resistance of compressor motor winding CM OK Repla...

Page 19: ...tage appears Outdoor PCB Ass y is defective OK OK NO Is room temperature too low Try to lower setting temperature by temperature setting button button Outdoor unit still does not run Remote control un...

Page 20: ...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 21: ...pressor compressor motor 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 outd...

Page 22: ...aneously for example unit A operating in the heating mode while unit B is operating in the cooling or drying mode When operating two units at the same time set them both to the same mode Note however...

Page 23: ...bility of gas shortage YES Check position of remote control unit Cool or warm air from air conditioner reaches position directly Change position of remote control unit Wide and narrow tubes between in...

Page 24: ...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 25: ...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 26: ...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 27: ...ddress 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 fig...

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

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