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Troubleshooting Guide

Troubleshooting Guide

Piping System

Figure

16

is a brief description of the important components and their function in what is called the refrigeration

system. This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle.

MOTOR

COMPRESSOR

OIL

(LIQUID REFRIGERANT)

CAPILLARY TUBE

OUTSIDE COOLING
AIR FOR REFRIGERANT
PASS THROUGH

SUCTION LINE
COOL LOW PRESSURE VAPOR

COOLED
AIR

COMPLETE LIQUID
BOIL OFF POINT

LIQUID
PRESSURE
DROP

ROOM AIR HEAT LOAD

VAPOR INLET

HOT
DISCHARGED
AIR

LIQUID OUTLET

HIGH PRESSURE VAPOR

LIQUID REFRIGERANT

LOW PRESSURE VAPOR

ROOM AIR CONITIONER

EVAPORATOR COILS

CONDENSER COILS

CYCLE OF REFRIGERATION

Figure

16

CAPILLARY TUBE

COMPRESSOR

BLOWER

EVAPORATOR COIL

CONDENSER COIL

FAN

MOTOR

17

Room Air Conditioner

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Содержание CP06F10

Страница 1: ...Room Air Conditioner Service and Parts Manual CP06 CP08 Svc Parts 2010 05 10 CP06F10 CP08F10 0F Power Mode Timer 0n 0ff Fan Speed Temp Cool Money Saver Fan Only Dry hr Auto Swing 115Volts ...

Страница 2: ...tion 7 Remote Control Operations 8 Disassembly 9 Mechanical Parts 9 Air Handling Parts 10 Electrical Parts 11 Refrigerating Cycle 12 Schematic Diagram 15 Wiring Diagram 15 Electronic Control Device 16 Troubleshooting Guide 17 Piping System 17 Troubleshooting Guide 18 Exploded View 26 Replacement Parts List 27 28 2 Room Air Conditioner ...

Страница 3: ...ibility of death or serious injury This symbol indicates the possibility of injury or damage to property only WARNING Always install the expansion panel s Improper assembly or installation may cause incorrect operation including injury fire and Do not place the power cord near a heater It may cause fire and electric shock Do not use the power cord near flammable gas or combustibles such as gasolin...

Страница 4: ...d It may cause fire and electric shock Do not operate with wet hands or in damp environment It will cause electric shock Use the air conditioner on a single outlet circuit see page 7 Do not share the outlet with other appliances It will cause electric shock or fire Do not modify power cor Do not modify po Do not modify po d wer cor length Do not modify po It will cause electric shoc k or fire Alwa...

Страница 5: ...er the unit and degrade the insulation It may cause an electric shock Never touch the metal parts of the unit when removing the filter Do not block the inlet or outlet They are sharp and may cause injury It may cause failure of appliance or performance deteriorate Ensure that the outer caseis not damaged by age orwear Leaving it damaged couldresult in the air conditioner falling out of the window ...

Страница 6: ...de Dimensions This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that could cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols Used in this Manual 353 13 7 8 470 18 1 2 525 20 11 16 ...

Страница 7: ... 9 6 4 m m OPERATING POWER SUPPLY MODLES ITEMS COOLING CAPACITY Btu h W T U P N I RUNNING CURRENT A E E R BTU W h REFRIGERANT R410A CHARGE EVAPORATOR CONDENSER FAN INDOOR FAN OUTDOOR FAN SPEEDS FAN COOLING FAN MOTOR PROTECTOR POWER CORD DRAIN SYSTEM OPERATION CONTROL ROOM TEMP CONTROL AIR DIRECTION CONTROL CONSTRUCTION 315g 11 1 oz B W 5 7 B D 95 Ø7 0 3ROW 14STACKS Ø5 0 3ROW 16STACKS CP06F10 CP08F...

Страница 8: ... 0F Power Mode Timer 0n 0ff Fan Speed Temp Cool Money Saver Fan Only Dry hr Auto Swing 1 3 2 4 6 5 7 6 AUTO SWING This button can automatically control the air flow direction 7 To receive the signal from remote controller dry operation dehumidify operation 8 Room Air Conditioner ...

Страница 9: ...abinet at back 3 Pull the base pan forward See Figure 2 4 Remove the cabinet 5 Re install the component by referring to the removal procedure above 3 CONTROL BOX 1 Disconnect the unit from the power source 2 Remove the front grille 3 Remove the cabinet 4 Remove the screw which fastens the control box cover 5 Remove the housing which connects motor wire in the control box 6 Remove the 3 leads from ...

Страница 10: ...d remove it See Figure ５ 10 Remove the clamp with a hand plier which secures the blower 11 Remove the blower 12 Remove the 4 screws which fasten the air guide from the barrier 13 Move the air guide backward pulling out from the base pan 14 Re install the components by referring to the removal procedure above 2 FAN AND SHROUD 1 Remove the cabinet 2 Remove the brace 3 Remove the 3 screws which faste...

Страница 11: ...ve all the leads from the overload protector 5 Remove the overload protector 6 Re install the component by referring to the removal procedure above Figure 8 Disassembly 2 COMPRESSOR 1 Remove the cabinet 2 Discharge the refrigerant system using a FreonTM Recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the FreonTM Leave the valve in p...

Страница 12: ...ove removal procedure above Use only one ground marked hole for ground connection 8 If the supply cord of this appliance is damaged it must be replaced by the special cord The special cord means the cord which has the same specification marked on the supply cord attached at the unit Disassembly Refrigerating Cycle CAUTION Discharge the refrigerant system using a Freon TM Recovery System If there i...

Страница 13: ...r final charging 6 Recharge as follows 1 Refrigeration cycle systems are charged from the High side If the total charge cannot be put in the High side the balance will be put in the suction line through the access valve which you installed as the system was opened 2 Connect the charging cylinder as shown in figure 15B With valve C open discharge the hose at the manifold connection 3 Open valve A a...

Страница 14: ...making a vapor proof seal Leak detector Tubing cutter Hand Tools to remove components Service valve A COMPOUND GAUGE EVAPORATOR LOW PRESSURE SIDE COMPRESSOR CAPILLARY TUBE CONDENSER HIGH PRESSURE SIDE SEE INSETS BELOW MANIFOLD GAUGE B Figure 14A Pulling Vacuum Figure 15B Charging A B EXTERNAL VACUUM PUMP A CHARGING CYLINDER LOW HI B C ...

Страница 15: ...1 2 3 4 5 6 7 8 Q TY PER SET 1 1 1 1 1 1 1 1 DESCRIPTION POWER CORD ASSEMBLY FAN MOTOR COMPRESSOR DISPLAY P W B ASSEMBLY MAIN P W B ASSEMBLY THERMISTOR CAPACITOR OWERLOAD PROTECTOR SMPS 250V T2A 250V T3 15A MEZ62420707 WH BL 15 Room Air Conditioner ...

Страница 16: ...Electronic Control Device Schematic Diagram Service Manual 16 ...

Страница 17: ...MPRESSOR OIL LIQUID REFRIGERANT CAPILLARY TUBE OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH SUCTION LINE COOL LOW PRESSURE VAPOR COOLED AIR COMPLETE LIQUID BOIL OFF POINT LIQUID PRESSURE DROP ROOM AIR HEAT LOAD VAPOR INLET HOT DISCHARGED AIR LIQUID OUTLET HIGH PRESSURE VAPOR LIQUID REFRIGERANT LOW PRESSURE VAPOR ROOM AIR CONITIONER EVAPORATOR COILS CONDENSER COILS CYCLE OF REFRIGERATION Figure...

Страница 18: ...inlet outlet air 44 50 F 7 10 C Replacement of unit if the unit is beyond repair Check outdoor coil heat exchanger and fan operation Check heat load increase Check cold air circulation for smooth flow Check gas leakage Clean condenser Not on separate circuit Check inside gas pressure Adjust refrigerant charge Malfunction of compressor Replacement of compressor Check clogging in refrigera tion circ...

Страница 19: ...rt Defect of compressor capacitor Replacement of compressor Motor damaged Irregular motor insulation Ω Irregular motor resistance Ω Check of circuit breaker and fuse Check control panel Fan only fails to start Improper wiring Defect of fan motor capacitor Replacement of fan motor Regular but fails to start Replacement of compressor Locking of piston metal Irregular motor resistance Ω Irregular mot...

Страница 20: ... IC02D DC 5V Is the voltage No 18 of Micom DC 5V Exchange Main P W B Ass y Is the connection between Main and Display all right Is the reset circuit all right The No 14 of Micom is 5V Check the Fuse Check the wiring diagram Check the Main P W B pattern Exchange the Trans Exchange D02D D05D Exchange IC01D Exchange IC02D Exchange IC01A Connect connector exactly Check the P W B pattern NO NO NO NO NO...

Страница 21: ...he wiring Diagram NO NO NO NO YES YES YES YES Possible Trouble 2 The compressor does not operate Is the wire connection of RY COMP all right Check the RY COMP Connect LEAD Wire to RY COMP again NO YES Possible Trouble 3 The compressor always operate Exchange IC01M Exchange IC01M Is the voltage NO 1 or 4 of IC01M DC 5V Is the voltage NO 13 or 16 of IC01M 0V Check the RY Hi or RY Lo Check the wiring...

Страница 22: ...or to CN DISP1 exactly NO NO NO YES YES YES Possible Trouble 5 Romote controller does not operate NO NO NO NO YES YES YES Is the IC01G all right Is the connection of CN DISP1 all right Exchange the display P W B Ass y Exchange IC01G Exchange Q01G Q02G Q03G Q04G Connect connector to CN DISP1 exactly Does the Q01G Q02G Q03G Q04G operate normally on main P W B Ass y Possible Trouble 6 It displays abn...

Страница 23: ... if shorted open or damaged Will not rotate Fan blade hitting shroud or blower wheel hitting scroll Re align assembly Units using slinger ring condenser fans must have 0 22 0 25 inch clearance to the base If necessary shim up the bottom of the fan motor with mounting screw s Check fan motor bearings if motor shaft will not rotate replace the motor Fan motor runs Revolves on overload Check voltage ...

Страница 24: ...c e r i w e h t k c e h C g n i r i W replace the terminal If the wires are discon nected refer to wiring diagram for identification and replace the wires Check the wire connections If not according to the wiring diagram correct the connections Thermistor Check the TEMP control If not at the lowest number set TEMP control to this setting and restart the unit Check the continuity of the thermistor ...

Страница 25: ...ing Condenser fins If the condenser fins are closed over a large damaged area on the coil surface head pressures will increase causing the compressor to cycle Straighten the fins or replace the coil Capacitor Test the capacitor Wiring Check the terminals If loose repair or replace Refrigeration system Check the system for a restriction Insufficient cooling Air filter If restricted clean or replace...

Страница 26: ...11 1 264110 238310 237200 268711 2 135500 146812 W0CZZ 359011 731273 267110 135303 749740 352380 152302 148000 130910 346811 349600 W48602 149980 359012 349480 147581 135312 130410 567502 550140 349001 147582 567480 552113 Service Manual 26 ...

Страница 27: ...ly Control 67305511 264110 Power Cord Assembly 67300020 267110 Remote Controller Assembly 67302232 346811 Motor Assembly AC Single 67303013 349001 Damper Assembly 67303502 349480 Orifice 67303412 349600 Bracket Motor 67303604 352380 Duct Assembly 67302736 359011 Fan Axial 67303203 359012 Fan Turbo 67302609 550140 Damper Compressor 67301900 567480 Thermistor NTC 67307806 567502 Overload Protect 673...

Страница 28: ...Assembly Control 67305513 264110 Power Cord Assembly 67300020 267110 Remote Controller Assembly 67302232 346811 Motor Assembly AC Single 67303005 349001 Damper Assembly 67303502 349480 Orifice 67303412 349600 Bracket Motor 67303604 352380 Duct Assembly 67302736 359011 Fan Axial 67303203 359012 Fan Turbo 67302609 550140 Damper Compressor 67305000 567480 Thermistor NTC 67307806 567502 Overload Prote...

Страница 29: ...1540 4200 N Pan Am Expressway San Antonio Texas 78295 1540 210 357 4400 FAX 210 357 4490 FRIEDRICH AIR CONDITIONING CO Visit our web site at www friedrich com Use Factory Certified Parts CP06 CP08 Svc Parts 2010 05 10 ...

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