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Argo 387006114, Технические данные и руководство по обслуживанию, Страница: 24 / 34

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5-2-2.

Check PUSH BUTTON in the indoor unit

B.  Circuit breaker trips in several minutes after turning the air conditioner on.

●

There is a possibility of short circuit.

6-2-2.  Neither indoor nor outdoor unit runs.

A. Power is not supplied.

B. Check "OPERATION selector" switch in the indoor unit.

YES

NO

• OPERATION selector switch 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 breaker.

Wait for recovery 
or contact power 
company.

Replace with suitable
one (larger capacity).

•

•

•

NO

Check capacity of circuit breaker.

Capacity of circuit breaker is 
suitable.

Measure resistance of outdoor fan 
motor winding.

Measure resistance of compressor 
motor winding.

• Measure resistance of 4-way valve's  

winding.

In case of Heating operation :

Press the PUSH BUTTON switch

Neither the indoor nor the outdoor 
units run

5-2-2.

24

Содержание 387006114

Страница 1: ...TECHNICAL DATA SERVICE MANUAL INDOOR UNIT AD28AL AD38AL SPLIT SYSTEM AIR CONDITIONER AD38AL 0 8180 353 0 07 2005 387006115 Model No Product Code No AD28AL 387006114 ...

Страница 2: ...ow 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 When transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminium...

Страница 3: ...tions in Cool Dry Mode 16 4 7 Protections in Heat Mode 18 4 8 Sleep Function 21 4 9 Daily Timer 21 4 10 I FEEL Function 21 4 11 Drain Pump Operation 22 5 TROUBLESHOOTING 23 5 1 Check before and after troubleshooting 23 5 2 Air conditioner does not operate 23 5 3 Some part of air conditioner does not operate 27 5 4 Air conditioner operates but abnormalities are observed 29 5 5 If a sensor is defect...

Страница 4: ... Dimensions Unit Height mm Width mm Depth mm Package dimensions Unit Height mm Width mm Depth mm Volume m3 Weight Unit Net kg Shipping kg DATA SUBJECT TO CHANGE WITHOUT NOTICE Power level measured at operating conditions HIGH speed 5mmH20 external static pressure and inside discharge air duct 34 6 35 1 4 571 Microprocessor I C thermostat Wireless remote control unit 3 and Auto 1 Hi ON OFF 24 hours...

Страница 5: ...ght mm Width mm Depth mm Package dimensions Unit Height mm Width mm Depth mm Volume m3 Weight Unit Net kg Shipping kg DATA SUBJECT TO CHANGE WITHOUT NOTICE Power level measured at operating conditions HIGH speed 5mmH20 external static pressure and inside discharge air duct Microprocessor I C thermostat 9 52 3 8 54 52 49 R410A Wireless remote control unit ON OFF 24 hours 3 and Auto 1 Hi Washable 57...

Страница 6: ... 37 BLK GRY 15 GRY VLT 15 WLT RED 30 RED YEL 101 Safety devices Type Operating temp Open C Run capacitor µF VAC Heat Exch Coil Coil Rows Fin pitch mm face area m2 DATA SUBJECT TO CHANGE WITHOUT NOTICE Fan speeds H M L measured at operating conditions HIGH speed 5mmH20 external static pressure 2 0 45 110 1 8 Internal thermal protector 7AM 037 A 5 150 5K 450 Microprocessor 250 V 5 A 0 126 KSA RC 7 R...

Страница 7: ...Y VLT 15 WLT RED 30 RED YEL 101 Safety devices Type Operating temp Open C Run capacitor µF VAC Heat Exch Coil Coil Rows Fin pitch mm face area m2 DATA SUBJECT TO CHANGE WITHOUT NOTICE Fan speeds H M L measured at operating conditions HIGH speed 5mmH20 external static pressure 1 6 0 126 4 1060 1000 910 Aluminium plate fin Copper tube 2 150 5K 1 8 450 2 Ø 160 L 240 3RGB CO 45 30 5V 1 1 Internal ther...

Страница 8: ...stor Coil sensor TH1 Resistance ΚΩ Thermistor Room sensor TH2 Resistance ΚΩ Drain pump Model Rating Voltage Input Total head capacity Safety float switch Model Contact rating 230V AC DC 0 5A 0 4 l min BI 1300 2725 PC 309564003 220 240V 50Hz 14W 10 5 10 3 8 ...

Страница 9: ...9 ...

Страница 10: ...2 DIMENSIONAL DATA Units mm 571 10 ...

Страница 11: ...3 ELECTRICAL DATA 3 1 Electric Wiring Diagrams 11 ...

Страница 12: ...4 1 Cool Mode Operation 4 FUNCTION 12 ...

Страница 13: ...4 2 Heat Mode Operation 13 ...

Страница 14: ...4 3 Auto Cool Heat Mode Operation 14 ...

Страница 15: ...4 4 Dry Mode Operation 15 ...

Страница 16: ...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 16 ...

Страница 17: ...2 Outdoor Coil High Pressure Protection 17 ...

Страница 18: ...4 7 Protection Operations in Heat Mode 1 Outdoor Coil Deice Protection 18 ...

Страница 19: ...19 ...

Страница 20: ...2 Indoor Coil High Pressure Protection in Heat Mode 20 ...

Страница 21: ...4 8 Sleep Function 4 9 Daily Timer Function 4 10 IFEEL Function 21 ...

Страница 22: ...logic 0 and 1 at the float switch pins connector respectively For the Fujitsu version of MCU the Overflow and Normal condition are indicated by a logic 1 and 0 at the float switch pins connector respectively The overflow condition can activate the water pump in Standy and operating modes ON OFF ON COMP WVL PUMP OFF ON OPER LED OFF Overflow Water Level Normal BLINK COMP WVL is forced OFF 8 min 8 mi...

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 circuit breaker is set to ON it trips immediately Resetting is not possible There is a possibility of ground fault Check insulation resistance If resistance value is 2MΩ or less insulation is defective ...

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 Replace with suitable one larger capacity NO Check capacity of circuit breaker Capacity of circuit breaker is suitable Measure resistance of outdoor fan motor winding Measure resistance of compressor ...

Страница 25: ...mary 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 Replace the fuse If fuse has been blown OK Try to run with another remote control unit First remote control unit is defective Check for residue buildup on transmitter of remote control unit Check for resi...

Страница 26: ...rature 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 raise setting temperature by temperature setting button button Outdoor unit still does not run Try to run using another remote control unit HEAT Remote control unit is defective 5 2 3 5 2 4 26 ...

Страница 27: ...atter 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 turned OK Check fan rotation Turn fan gently once or twice by hand Check fan casing foreign matter on inside Fan motor burnout or foreign matter in bearings Remove foreign matter or repair Repair or repl...

Страница 28: ...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 4 Compressor and outdoor fan do not run Float switch turned ON Check if drain pump Replace the drain pump runs normaly Verify if drain condensate tube is obstructed Remove obstruction YES YES YES NO NO YES YES NO YES 28 ...

Страница 29: ...Remote 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 and 6 230V AC Indoor PCB ass y is defective HEAT to COOL Check voltage between terminals N and 6 230V AC OK No voltage appears 29 ...

Страница 30: ...ortage 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 outdoor unit are insulated Insulate both wide and narrow tubes separately and then tape together Measure temperature of suction and discharge air of air conditioner Charge refrigerant gas Check for clog...

Страница 31: ...y 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 ...

Страница 32: ...insulation 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 Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the desired electric part from terminal plate capacitor etc Similary disconnect the connector Then measure the ins...

Страница 33: ...d 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 good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of the capacitor Fuse PCB ...

Страница 34: ...Via Varese 90 21013 Gallarate Va Italy Tel 39 0331 755111 Fax 39 0331 776240 www argoclima it ...

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