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6-5 If a sensor is defective

6-5-1 ICT (indoor coil sensor) OCT(outdoor coil sensor) RAT (room ambient temperature) are defective.

NOTE

Allarm signal (*)

Stan by lampoon on the front side of the indoor unit will flash on and off when the thermistor is defective.
At the same time the outdoor unit will stop. Indoor operate only for ventilation.

Temperature sensor

Lead wires

• 

Stand by lamp on front side of indoor 

unit is flashing on and off. (*)

• 

Thermistor ICT and OCT and RAT are 

defective

• 

Repalce thermistor.

YES

YES

31

Содержание 387005960

Страница 1: ...VICE MANUAL INDOOR UNIT KPAF124R5 KPAF185R5 KPAF225R5 SPLIT SYSTEM AIR CONDITIONER Floor Mounted Ceiling Mounted 0 8180 417 0 06 2005 KPAF225R5 387005961 Model No Product Code No KPAF124R5 387105949 K...

Страница 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...

Страница 3: ...tions in Cool Dry Mode 17 4 7 Protections in Heat Mode 19 4 8 Sleep Function 22 4 9 Daily Timer 22 4 10 I FEEL Function 22 5 TROUBLESHOOTING 23 5 1 Check before and after troubleshooting 23 5 2 Air co...

Страница 4: ...tube 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 Ship...

Страница 5: ...t 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 volume m3 DATA S...

Страница 6: ...t 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 volume m3 DATA S...

Страница 7: ...capacitor F VAC Flap Motor Type Model Rating No of poles rpm Nominal output W Coil resistance Ambient temp 25 C Heat Exch Coil Coil Rows Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE 0...

Страница 8: ...C Flap Motor Type Model Rating No of poles rpm Nominal output W Coil resistance Ambient temp 25 C Heat Exch Coil Coil Rows Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE Aluminium plate...

Страница 9: ...Flap Motor Type Model Rating No of poles rpm Nominal output W Coil resistance Ambient temp 25 C Heat Exch Coil Coil Rows Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE 0 41 88 KSA Micro...

Страница 10: ...1 3 Other Component Specifications Thermistor Coil sensor TH1 Resistance Thermistor Room sensor TH2 Resistance 10 3 10 5 10...

Страница 11: ...2 DIMENSIONAL DATA Unit mm Unit mm 11...

Страница 12: ...3 ELECTRICAL DATA 3 1 Electric Wiring Diagrams KPAF124R5 KPAF185R5 KPAF225R5 12...

Страница 13: ...4 1 Cool Mode Operation 4 FUNCTION 13...

Страница 14: ...4 2 Heat Mode Operation 14...

Страница 15: ...4 3 Auto Cool Heat Mode Operation 15...

Страница 16: ...4 4 Dry Mode Operation 16...

Страница 17: ...4 5 Fan Mode Operation 4 6 Protection operations in Cool and Dry Mode 1 Indoor Coil Defrost Protection 5 Protection Operations in Cool and Dry Modes 17...

Страница 18: ...2 Outdoor Coil High Pressure Protection 18...

Страница 19: ...4 7 Protection Operations in Heat Mode 1 Outdoor Coil Deice Protection 19...

Страница 20: ...20...

Страница 21: ...2 Indoor Coil High Pressure Protection in Heat Mode 21...

Страница 22: ...4 8 Sleep Function 4 9 Daily Timer Function 4 10 IFEEL Function 22...

Страница 23: ...nect power or turn off circuit breaker before you start checking or servicing 5 5 1 5 1 1 5 1 2 5 1 3 5 1 4 5 2 Air conditioner does not operate 5 2 1 Circuit breaker trips or fuse blows A When the ci...

Страница 24: ...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 breaker Wait for recovery or contact power company R...

Страница 25: ...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...

Страница 26: ...ature by temperature setting button button Outdoor unit still does not run Remote control unit is defective Try to run using another remote control unit COOL OK NO Is room temperature too high Try to...

Страница 27: ...tter 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 turn...

Страница 28: ...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 4 Compressor and outdoor fan do not run F...

Страница 29: ...emote control unit Receiver in lamp ass y may be defective may be defective Measure resistance of 4 way valve s winding COOL to HEAT Check voltage between Outdoor PCB ass y is defective terminals N an...

Страница 30: ...rtage 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 indoor unit and out...

Страница 31: ...lampoon on the front side of the indoor unit will flash on and off when the thermistor is defective At the same time the outdoor unit will stop Indoor operate only for ventilation Temperature sensor...

Страница 32: ...sulation resistance tester and 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 6 1 4 Mea...

Страница 33: ...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...

Страница 34: ...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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