Technibel 387104000 Technical Data & Service Manual Download Page 1

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TECHNICAL DATA
& SERVICE MANUAL

INDOOR UNIT: MCAV72C5TA-

MCAV92C5TA-
MCAV122C5TA-

SPLIT SYSTEM AIR CONDITIONER

0.8180.259.1 05/2003

MCAV92C5TA-

387104001

MCAV122C5TA-

387104002

Model No.

Product Code No.

MCAV72C5TA-

387104000

Summary of Contents for 387104000

Page 1: ...AL DATA SERVICE MANUAL INDOOR UNIT MCAV72C5TA MCAV92C5TA MCAV122C5TA SPLIT SYSTEM AIR CONDITIONER 0 8180 259 1 05 2003 MCAV92C5TA 387104001 MCAV122C5TA 387104002 Model No Product Code No MCAV72C5TA 38...

Page 2: ...ing 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 When...

Page 3: ...ze Prevention Cooling and Dry 18 6 TROUBLESHOOTING 19 6 1 Check before and after troubleshooing 19 6 2 Air conditioner does not operate 20 6 3 Some part of air conditioner does not operate 24 6 4 Air...

Page 4: ...mm in Refrigerant Refrigerant tube kit Air clean filter Dimensions Weight Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm Depth mm Weight Net kg Shipping kg Shipping...

Page 5: ...frigerant tube kit Air clean filter Dimensions Weight Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm Depth mm Weight Net kg Shipping kg Shipping volume m3 DATA SUBJE...

Page 6: ...frigerant tube kit Air clean filter Dimensions Weight Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm Depth mm Weight Net kg Shipping kg Shipping volume m3 DATA SUBJE...

Page 7: ...devices Type Operating temp Open C Close Run capacitor F VAC Flap Motor Type Model Rating Coil resistance Ambient temp 25 C Heat Exch Coil Coil Rows Fin pitch mm face area DATA SUBJECT TO CHANGE WITHO...

Page 8: ...ating temp Open C Close Run capacitor F VAC Flap Motor Type Model Rating Coil resistance Ambient temp 25 C Heat Exch Coil Coil Rows Fin pitch mm face area DATA SUBJECT TO CHANGE WITHOUT NOTICE 0 12 27...

Page 9: ...ating temp Open C Close Run capacitor F VAC Flap Motor Type Model Rating Coil resistance Ambient temp 25 C Heat Exch Coil Coil Rows Fin pitch mm face area DATA SUBJECT TO CHANGE WITHOUT NOTICE 0 13 31...

Page 10: ...ary Secondary Capacity Coil resistance at 25 C Thermal cut off temp Thermistor Coil sensor TH1 Resistance Thermistor Room sensor TH2 Resistance DTN TKS134B 25 C 5 0 3 DTN TKS131B Primary WHT WHT 307 1...

Page 11: ...DATA 58 5 99 5 805 177 41 0 41 0 270 Narrow tube 6 35 1 4 Wide tube 9 52 3 8 7000 9000 BTU h Wide tube 12 7 1 2 12000 BTU h Center of tubing hole 2 places Drain hose 18 Remote control unit 172 61 19...

Page 12: ...CE DATA 3 1 Air Throw Distance Chart MCAV72C5TA 0 1 2 3 4 5 6 7 8 9 1 2 3 4 Horizontal distance m Axis air velocity m s Vertical distance m Axis air verocity Flap angle 0 30 Room air temp 27 C Fan spe...

Page 13: ...MCAV92C5TA 0 1 2 3 4 5 6 7 8 9 1 2 3 4 Horizontal distance m Axis air velocity m s Vertical distance m Axis air verocity Flap angle 0 30 Room air temp 27 C Fan speed High 13...

Page 14: ...MCAV122C5TA 0 1 2 3 4 5 6 7 8 9 1 2 3 4 Horizontal distance m Axis air velocity m s Vertical distance m Axis air verocity Flap angle 0 30 Room air temp 27 C Fan speed High 14...

Page 15: ...4 ELECTRICAL DATA 4 1 Electric Wiring Diagrams 15...

Page 16: ...ntrol 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 after 5 minutes or more of compress...

Page 17: ...n L LL Dry 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...

Page 18: ...ange coil falls below 1 C the control circuit stops the compressor for at least 6 minutes The compressor does not start again until the temperature rises above 8 C or 6 minutes has elapsed ON ON ON ON...

Page 19: ...utdoor unit from the indoor unit 6 1 3 Check power supply Check that voltage is in specified range 10 of the rating Check that power is being supplied 6 1 4 Check lead wires and connectors in indoor a...

Page 20: ...nsulation resistance of electrical parts in outdoor unit NO Set circuit breaker to OFF Measure insulation resistance of electrical parts in indoor unit 1 Remove inter unit wires from terminal plate in...

Page 21: ...ch 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 Res...

Page 22: ...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 23: ...Indoor unit does not run Indoor PCB Ass y is defective OK NO Is room temperature too low Try to lower setting temperature by temperature setting button button Outdoor unit still does not run Remote co...

Page 24: ...nce of outdoor fan motor winding Check fan motor capacitor Measure resistance of flap motor winding Fan cannot be turned OK Check fan rotation Turn fan gently once or twice by hand Check fan casing fo...

Page 25: ...istance of compressor motor winding NO YES YES Overload relay is working Either OLR T or OLR A YES Temperature of compressor is abnormally high Refrigerant gas shortage Charge refrigerant gas R22 Roto...

Page 26: ...ck position 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 insulat...

Page 27: ...on and off 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 28: ...measure 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 7 1 4 Measurement of Insulation Resista...

Page 29: ...then 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 go...

Page 30: ...he original address setting of the remote control unit To Change Address on PCB 1 Cut jumper wire JP03 on the indoor unit PCB Controller A Use cutting pliers to cut and disconnect the Jumper wire 2 Sw...

Page 31: ...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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