Friedrich CP08A10 Air Conditioner User Manual
Contents
1. rriedrich Room Air Conditioner Service and Parts Manual 115Volts ZQ08B10 7010 10 10 eCP10A10 eCP12A10 ZQ08 10 CP08 10 12 06 05 CONTENTS 1 PREFACE 1 1 SAFETY PRECAUTIONS 2 1 2 INSULATION RESISTANCE TEST 2 1 3 SPECIFICATIONS tne 3 14 FEATURES Naa KO 4 1 5 CONTROL LOCATIONS 4 2 DISASSEMBLY INSTRUCTIONS 2 1 MECHANICAL 6 2 1 1 FRONT GRILLE 6 2 1 2 CABINET RAR 6 2 1 3 CONTROL BOX 6 2 2 AIR HANDLING 7 2 2 1 AIR GUIDE AND TURBO 7 7 228 SHROUD aceto 8 2 3 ELECTRICAL PARTS 8 2 3 1 OVERLOAD PROTECTOR 8 2 3 2 COMPRESSOR 8 2 3 3 CAPACITOR pie 9 234 POWER 9 205 MOTOR 10 2 4 REFRIGERATION 10 2 4 1 CONDENSER 10 2 4 2 EVAPORATOR Wa a aa 10 2 4 3 CAPILLARY TUBE 11 1 PREFACE 3 TROUBLESHOOTING GUIDE 3 1 OUTSIDE DIMENSIONS 13 3 2 PIPING 14 3 3 TROUBLESHOOTING GUIDE 15 4 SCHEMATIC DIAGRAM 19 5 EXPLODED VIEW 20 6 REPLACEM2. Refer to section 2 3 3 3 Disconnect the front panel from the control box See Figure 12 4 Disconnect the 2 receptacles and remove the grounding screw 5 Pull out the power cord 6 Re install the component by referring to the removal procedure above Use only one ground marked hole for ground connection 7 If the supply cord of this appliance is damaged it must be replaced by the factory specifiled cord LUN EZ A Se 2020 Figure 12 2 3 5 MOTOR 1 Remove the cabinet Refer to section 2 1 2 2 Remove the turbo fan Refer to section 2 2 1 3 Remove the fan Refer to section 2 2 2 4 Remove the 4 screws which fasten the motor to the air guide See Figure 13 5 Remove the motor 6 Re install the components by referring to the removal procedure above See Figure 13 2 4 REFRIGERATING CYCLE 2 4 1 CONDENSER Discharge the refrigerant system using a Freon Recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the Freon Remove the valve when finished Remove the cabinet Refer to section 2 1 2 2 Remove the 5 screws which fasten the brace Refer to section 2 2 1 3 Remove the 5 screws which fasten the condenser and shroud 4 After discharging the refrigerant completely unbraze the interconnecting tube at the condenser connections 5 Remove the condenser 6 Re install th
3. 2 Start the vacuum pump slowly open manifold valves A and B with two full turns counterclockwise and leave the valves open The vacuum pump is now pulling through valves and B up to valve C by means of the manifold and entire system If high vacuum equipment is used just crack valves A and B for a few minutes then open slowly with the two full turns counterclockwise This will keep oil from foaming and being drawn into the vacuum pump 3 Operate the vacuum pump for 20 to 30 minutes until 600 microns of vacuum is obtained Close valves A and B and observe vacuum gauge for a few minutes A rise in pressure would indicate a possible leak or moisture remaining in the system With valves A and B closed stop the vacuum pump 4 Remove the hose from the vacuum pump and place it on the charging cylinder See figure 16B Open valve C Discharge the line at the manifold connection 5 The system is now ready for final charging 3 Remove the capillary tube 4 Re install the components by referring to notes 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 16B With valve C open discharge the hose at the manifold connection 3 Open valve A and al
4. For a warmer setting turn counter clockwise OPERATION Fig A OFF Turns the air conditioner off MED FAN Medium fan speed without cooling LOW FAN Low fan speed without cooling HIGH COOL Cooling with the high fan speed MED COOL Cooling with the medium fan speed LOW COOL Cooling with the low fan speed 4 Built in adjustable Thermistor Washable one touch filter Compact size Reliable and efficient rotary compressor is equipped LOW COOL OPERATION THERMOSTAT Fig A DISPLAY REMOTE CONTROL Money Savere Fan Only e Dry Timer e Timer Fan Power On Off Speed On Off Fig Precaution The Remote Control unit will not function properly if strong light strikes the sensor window of the air conditioner or if there are obstacles between the Remote Control unit and the air conditioner Refer to Fig B amp Fig C POWER BUTTON To turn the air conditioner ON To turn the air conditioner OFF push the button again This button takes priority over any other buttons 2 TEMPERATURE SETTING BUTTON This button can automatically control temperature of the room The temperature can be set within a range of 60 F to 86 F by 1 F 13 OPERATION MODE SELECTION BUTTON Every time you push this button it will shift operation between COOL ENERGY SAVER FAN and DRY modes Money Saver If Money Save m
5. Insufficient cooling or heating Air filter If restricted clean of replace Exhaust damper door Close if open Unit undersized Determine if the unit is properly sized for the area to be cooled Excessive noise Blower or fan Check the set screw or clamp If loose or missing correct If the blower or fan is hitting air guide rearrange the air handling parts Copper tubing Remove the cabinet carefully and rearrange tubing not to contact cabinet compressor shroud and barrier 18 4 SCHEMATIC DIAGRAM MODEL CP08A10 CP10A10 CP12A10 pi GO mo ROTARY SWITCH GN GN YL 98 Jd dE ASSEMBLY at 3 MOTOR IPC EIE a SA Pr own 3 THERMISTOR GR FUSE i AVTA AN 40 RY COMP ASSEMBLY WIRING DIAGRAM S Service Parts N Non Service Parts LOCATION Q TY RE NO DESCRIPTION PER SET MARKS 1 MOTOR ASSY 1 S 2 CAPACITOR 1 S 3 COMPRESSOR 1 S 4 OVERLOAD PROTECTOR 1 S 5 DC PCB ASSEMBLY 1 S 6 AC PCB ASSEMBLY 1 S 7 THERMISTOR 1 S 8 THERMOSTAT 1 S 9 ROTARY SWITCH 1 S MODEL ZQ08B10 ZQ10B10
6. 19 5 EXPLODED VIEW 20 6 REPLACEMENT PARTS LIST e 7008810 eZQ10B10 10 eCP10A10 eCP12A10 ZQ08B10 No FRIEDRICH Description 135313 R Service Parts N Non Service Parts 149980 67303114 SHROUD 264110 67300017 POWER CORD ASSEMBLY 349001 67303507 DAMPER VENTILATION 349480 67303408 ORIFICE 550140 67301901 ISOLATORCOMP 552111 67302124 TUBE ASSEMBLY CAPILLARY 554160 67500121 COMPRESSOR SET CHINA 559011 67303201 __ FANASSEMBLYAXAL 352390 1 67302718 AIR GUIDE ASSEMBLY 21 ZQ10B10 Loc No 135312 135313 147581 147582 1 147582 2 148000 149410 149980 673033100 SHROUD 152302 237200 249950 266003 346811 349001 349480 352113 352115 35211A 352390 1 352390 2 354210 359012 554031 567502 731373 woczz W48602 22 CP08A10 135500 67300310 COVER 149980 67303110 SHROUD 264110 67300017 POWER CORD ASSEMBLY 550140 67301901 ISOLATOR COM 552111 67302123 TUBE ASSEMBLY CAPILLARY 554160 67500120 COMPRESSOR SET CHINA 559011 67303201 FANASSEMBLYAXAL 23 CP10A10 130410 67302923 BASEASSEMBLY SINGLE 135500 67300310 covER 149980 67303113 SHROUD 238310 67500116 ESCUTCHEON 264110 6730009 CORD ASSEMBLY 550140 67301901 1 ISOLATORCOMP 552111 67302122 TUB
7. Capacitor Discharge capacitor before servicing Check the capacitor Replace if not within 10 of manufacturers rating Replace if shorted open or damaged Compressor Check the compressor for open circuit or ground If open or grounded replace the compressor Overload Check the compressor overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool it and retest Compressor cycles on overload Voltage Check the voltage If not within limits call an electrician Overload Check overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool and retest Compressor cycles on overload Fan motor If not running determine the cause Replace if required Condenser air flow restriction Remove the cabinet inspect the interior surface of the condenser if restricted clean carefully with a vacuum cleaner do not damage fins or brush Clean the interior base before reassembling Condenser fins damaged If condenser fins are closed over a large area on the coil surface head pressures will increase causing the compressor to overload Straighten the fins or replace the coil Compressor cycles on overload Capacitor Test capacitor Wiring Check the terminals If loose repair or replace Refrigerating system Check the system for a restriction
8. OPERATING INDOOR iC 26 7 DB 19 4 WB CONDITION OUTDOOR 35 DB 23 9 WB REFRIGERANT R 22 CHARGE 300g 10 60z 5209 18 3oz 4209 14 802 5259 18 50z 5109 18 002 EVAPORATOR 2 ROW 11STACKS 3 ROW TISTACKS 2 ROW 10STACKS 3ROW 125TACKS CONDENSER 2 ROW 16STACKS 2 ROW 16STACKS L 2 ROW 175 2 ROW 175 TACKS L FAN INDOOR TURBO FAN FAN OUTDOOR PROPELLER TYPE FAN WITH SLINGER RING FAN SPEEDS FAN COOLING 2 3 3 3 MOTOR 6 POLES OPERATION CONTROL ROTARY SWITCH REMOTE CONTROLLER ROOM TEMP CONTROL THERMOSTAT THERMISTOR AIR DIRECTION CONTROL VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN CONSTRUCTION SLIDE IN OUT CHASSIS COMPRESSOR OVERLOAD PROTECTOR PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR 3 WIRE WITH GROUDING POWER CORD ATTACHMENT PLUG CORD CONNECTED TYPE DRAIN SYSTEM DRAIN PIPE OR SPLASHED BY FAN SLINGER NET WEIGHT Ibs 62 28 OUTSIDE DIMENSION inch 20352 x 13 29 32 193 W xH x D mm 510 x 354 x 490 DB Dry Bulb WB Wet Bulb 3 1 4 FEATURES Designed for COOLING ONLY Powerful and whispering cooling Slide in and slide out chassis for the simple installation and service Low air intake top cooled air discharge 1 5 CONTROL LOCATIONS THERMOSTAT Fig A Thermostat will automatically control the temperature of the discharge air For a cooler setting turn clockwise
9. to section 2 1 2 Remove the nut which fastens the terminal cover Remove the terminal cover See Figure 9 Remove all the leads from the overload protector Remove the overload protector Re install the components by referring to the removal procedure above 2 3 2 COMPRESSOR 1 Remove the cabinet Refer to section 2 1 2 2 Discharge the refrigerant system using a Freon Recovery System If there is no valve to attach the recovery system to install one such as a WATCO A 1 before venting the Freon Remove the valve when finished 3 Remove the overload protector Refer to section 2 3 1 4 After purging the unit completely unbraze the suction and discharge tubes at the compressor connections 5 Remove the 3 nuts and the 3 washers which fasten the compressor 6 Remove the compressor See Figure 10 7 Re install the components by referring to the removal procedure above Figure 8 Figure 9 Figure 10 2 3 3 CAPACITOR 1 Remove the control box Refer to section 2 1 3 2 Open the top cover from the control box See Figure 11 3 Pull out the capacitor from the control box Disconnect all the leads of capacitor terminals 5 Re install the components by referring to the removal procedure above A Figure 11 2 3 4 POWER CORD 1 Remove the control box Refer to section 2 1 3 2 Open the top cover from the control box
10. 2 screws which fasten the air guide upper Remove the air guide upper See figure 4 Remove the 2 screws which fasten the evaporator 9 Move the evaporator forward pulling it upward Figure 4 slightly See Figure 5 10 Pull the hook out of orifice by pushing the tabs and remove it See Figure 6 11 Using pliers remove the clamp secures the turbo fan 12 Remove the turbo fan 13 Remove the 2 screws which fasten the air guide to the base pan 14 Move the air guide backward and pull out from the base pan Move the air guide lower carefully 15 Re install the components by referring to the removal procedure above AR Iv N 5 6 2 2 2 1 v f lt lt U D 1 Remove the cabinet Refer to section 2 1 2 o gt 2 Remove the brace Refer to section 2 2 1 a 3 Remove the 5 screws which fasten the condenser 4 Move the condenser to the left carefully Figure 6 5 Remove the clamp which secures the fan 6 Remove the fan See Figure 7 7 Re install by referring to the removal procedure Figure 7 2 2 3 SHROUD 1 Remove the fan Refer to section 2 2 2 2 Remove the shroud See Figure 8 3 Re install the components by referring to the removal procedure above 2 3 ELECTRICAL PARTS 2 3 1 OVERLOAD PROTECTOR 1 Remove the cabinet Refer
11. E ASSEMBLY CAPILLARY 554160 6750019 COMPRESSORSET CHINA 559011 67302614 FANAXIAL 24 CP12A10 Loc No 130410 130910 135312 135313 135500 147581 147582 1 147582 2 148000 149980 152302 237200 238310 263230 267110 268712 268714 346811 349001 349480 352390 1 352390 2 354210 359011 359012 554031 567502 731373 woczz 25 MEMO 9990990909999 90809000 26 MEMO 9999909090999 908009000 27 Use Factory Certified Parts rriedrich FRIEDRICH AIR CONDITIONING CO Visit our web site at www friedrich com Post Office Box 1540 4200 N Pan Am Expressway San Antonio Texas 78295 1540 210 357 4400 FAX 210 357 4490
12. ENT PARTS LIST 21 This SERVICE MANUAL provides various service information including the mechanical and electrical parts etc This room air conditioner was manufactured and assembled under a strict quality control system The refrigerant is charged at the factory Be sure to read the safety precautions prior to servicing the unit 1 1 SAFETY PRECAUTIONS 1 When servicing turn the unit Off and unplug the power cord 2 Observe the original lead dress If a short circuit is found replace all parts which have been overheated or damaged by the short circuit 3 After servicing make an insulation resistance test to prevent the customer from being exposed to shock hazards 1 2 INSULATION RESISTANCE TEST 1 Unplug the power cord and connect a jumper between 2 pins black and white 2 The grounding conductor green or green and yellow is to be open 3 Measure the resistance value with an ohm meter between the jumpered lead and each exposed metallic part on the equip ment at each working status 4 The value should be over 1 MO 1 3 SPECIFICATIONS FOR 2008810 2010 10 CP08A 10 CP 10A10 CP 12A 10 1 3 1 ITEMS MOERS 2008810 2010810 CP08A10 CP10A10 CP12A10 POWER SUPPLY 10 115V 60HZ COOLING CAPACITY Btu h 7 800 10 000 7 800 10 000 12 000 INPUT W 800 1 020 730 930 1 110 RUNNING CURRENT A 7 6 9 2 6 6 8 5 10 2 E E R BTU W h 9 7 9 8 10 8
13. OUBLESHOOTING GUIDE 3 1 OUTSIDE DIMENSIONS unit mm inch MODEL ZQ08B10 CP08A10 ZQ10B10 490 19 54 510 20 342 600 23 5 43 3 2 PIPING SYSTEM CONDENSER COIL ix CAPILLARY TUBE MOTOR COMPRESSOR TURBO FAN EVAPORATOR COIL Figure 17 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 ROOM AIR CONITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS CONDENSER COILS COMPLETE LIQUID SUCTION LINE dard HOT BOIL OFF POINT COOL EOW PRESSURE VAROR DISCHARGED AIR oen 4 ROOM HEAT LOAD 5 OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH gt LIQUID PRESSURE DROP LIQUID OUTLET HIGH PRESSURE VAPOR CAPILLARY TUBE REFRIGERANT Low PRESSURE VAPOR Figure 17 14 3 3 TROUBLESHOOTING GUIDE In general possible trouble
14. crews which fasten the cabinet at both sides 2 Remove the 2 screws which fasten the cabinet at back 3 Pull the base pan forward See Figure 2 Remove the cabinet 5 Re install the components by referring to the removal procedure above Figure 1 2 1 3 CONTROL BOX 1 Remove the front grille Refer to section 2 1 1 2 Remove the cabinet Refer to section 2 1 2 3 Remove the 2 screws which fasten the power cord 4 Disconnect the grounding screw from the evaporator channel 5 Remove the 1 screw which fastens the control box cover 6 Remove the housing which connects PCB CP 08 10 12 or connector ZQ 08 10 and motor wire in the control box Remove the nut which fastens the terminal cover Remove the terminal cover Remove all the leads from the overload protector Discharge the capacitor by placing a 20 000 ohm resistor across the capacitor terminals 11 Raise the control box upward completely See Figure 3 12 Re install the components by referring to the removal procedure above Refer to the circuit diagram found on page 27 in this manual and on the control box Figure 2 Figure 3 2 2 AIR HANDLING PARTS 2 2 1 AIR GUIDE AND TURBO FAN 1 Remove the front grille Refer to section 2 1 1 Remove the cabinet Refer to section 2 1 2 Remove the control box Refer to section 2 1 3 Remove the 4 screws which fasten the brace Remove the brace Remove the
15. e components by referring to notes See Figure 14 wW 2 4 2 EVAPORATOR Figure 14 es 1 Remove the control box Refer to section 2 1 3 2 Remove the air guide upper Refer to section 2 2 1 3 Remove the 2 screws which fasten the evaporator 4 Move the evaporator sideways carefully Refer to section 2 2 1 5 After discharging the refrigerant completely unbraze the interconnecting tube at the evaporator connections 6 Remove the evaporator 7 Re install the components by referring to notes See Figure 15 Figure 15 10 2 4 3 CAPILLARY TUBE 1 Remove the cabinet Refer to section 2 1 2 2 After discharging the refrigerant completely unbraze the interconnecting tube at the capillary tube See caution on previous page NOTES Replacement of the refrigeration cycle 1 When replacing the refrigeration cycle be sure to Discharge the refrigerant system using a Freon recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the Remove the valve when finished After discharging the unit completely remove the desired component and unbraze the pinch off tubes Solder service valves into the pinch off tube ports leaving the valves open Solder the pinch off tubes with Service valves Evacuate as follows 1 Connect the vacuum pump as illustrated figure 16A
16. is classified in two kinds The one is called Starting Failure which is caused from an electrical defect and the other is ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application Ineffective Cooling Check outdoor coil heat exchanger amp the fan operation Unit runs but poor cooling Check heat load increase Check cold air circulation for smooth flow Clean condenser Dirty indoor coil Heat exchanger Malfunction of fan Clogged air filter Obstruction at air outlet Check gas leakage Not on separate circuit Repair gas leak Check inside gas Replacement of unit if the pressure unit is beyond repair Adjusting of refrigerant charged Correct above problem Malfunction of compressor Check clogging in refrigera tion circuit Repair clogging in refrigera tion circuit Satisfactory operation with temperature difference of inlet amp outlet air 18 26 F 45 Replacement of compressor Fails to Start Check circuit breaker and fuse Check power source Check control switch setting Gas leakage of feeler bulb of thermostat Check control switch Fan only fails to start Compressor only fails to start Improper wiring Drop of power voltage lt Improper thermostat setting Defect of fan motor Defect of compressor capacitor capacitor Loose termina
17. l connection Irregular motor resistance Irregular motor insulation Q Capacitor check lt Improper wiring Replacement lt Irregular motor resistance Q Replacement of fan motor Regular but fails to start Irregular motor insulation Q Replacement of compressor locking of rotor metal Replacement of compressor Motor damaged 16 COMPLAINT CAUSE REMEDY Fan motor will not run No power Check voltage at outlet Correct if none Power supply cord Check voltage to rotary switch If none check power supply cord Replace cord if circuit is open Rotary switch Check switch continuity Refer to wiring diagram for terminal identification Replace switch if defective Wire disconnected or connection loose Connect wire Refer to wiring diagram for terminal identification Repair or replace loose terminal Capacitor Discharge capacitor before testing Test capacitor Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Will not rotate Fan blade hitting shroud or blower wheel hitting scroll Realign assembly Units using slinger ring for condenser fan must have 1 4 to 5 16 inch clearance to the base If it hits the base 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 inter
18. low the proper charge to enter the system Valve B is still closed 4 If more charge is required the high side will not take it Close valve A 5 With the unit running open valve B and add the balance of the charge a Do not add the liquid refrigerant to the Low side b Watch the Low side gauge allow pressure to rise to 30 Ibs c Turn off valve B and allow pressure to drop d Repeat steps b and c until the balance of the charge is in the system 6 When satisfied the unit is operating correctly use the pinch off tool with the unit still running and clamp on to the pinch off tube Using a tube cutter cut the pinch off tube about 2 inches from the pinch off tool Use sil fos solder and solder pinch off tube closed Turn off the unit allow it to set for a while and then test the leakage of the pinch off connection Equipment needed Vacuum pump Charging cylinder Manifold gauge Brazing equipment Pinch off tool capable of making a vapor proof seal Leak detector Tubing cutter Hand Tools to remove components Service valve CONDENSER COMPOUND HIGH PRESSURE SIDE 7 7 MANIFOLD GAUGE B CAPILLARY TUBE SEE INSETS BELOW EVAPORATOR LOW PRESSURE SIDE COMPRESSOR EXTERNAL VACUUM PUMP CHARGING CYLINDER Figure 16A Pulling Vacuum Figure 16B Charging 12 3 TR
19. mittently Revolves on overload Check voltage If not within limits call an electrician Test capacitor Check bearings Does the fan blade rotate freely If not replace fan motor Pay attention to any change from high speed to low speed If the speed does not change replace the motor Fan motor noise Fan If cracked out of balance or partially missing replace it Blower If cracked out of balance or partially missing replace it Loose clamper Tighten it Worn bearings If knocking sounds continue when running or loose replace the motor If the motor hums or noise appears to be internal while running replace motor Compressor will not run but fan motor runs Voltage Check voltage If not within limits call an electrician Wiring Check the wire connections if loose repair or replace the terminal If wires are off refer to wiring diagram for identification and replace Check wire locations If not per wiring diagram correct Rotary Check for continuity refer to the wiring diagram for terminal identification Replace the switch if circuit is open 17 COMPLAINT CAUSE REMEDY Compressor will not run but fan motor runs Thermostat Check the position of knob If not at the coldest setting advance the knob to this setting and restart unit Check continuity of the thermostat Replace thermostat if circuit is open
20. ode is selected the fan stops when the compressor stops cooling Approximately every 3 minutes the fan will turn on and check the room air to determine if cooling is needed FAN SPEED SELECTOR Every time you push this button it will shift fan speeds as follows Hi gt Low gt Med gt Hi gt Low gt 5 ON OFF TIMER BUTTON ON When the air conditioner is off it can be set to automatically come on in 1 to12 hours from its previous setting Each touch will increase the timer by 1 hour OFF When the air conditioner is on it can be set to automatically turn off in 1 to 12 hours Each touch will increase the timer by 1 hour After the timer has been on for 30min the temperature will automatically rise 2F and after another another 30min it will rise 2F again The temperature will stay the same until the timer goes off To cancel the timer press the timer pad until the display time disappears 2 DISASSEMBLY INSTRUCTIONS Before the following disassembly set POWER SWITCH to OFF and disconnect the power cord 2 1 MECHANICAL PARTS 2 1 1 FRONT GRILLE 1 Open the Inlet grille downward and remove the air filter 2 Remove the screw which fastens the front grille See Figure 1 3 Pull the front grille from the right side 4 Remove the front grille There are 4 hooks 5 Re install the components by referring to the removal procedure above 2 1 2 CABINET 1 After disassembling the FRONT GRILLE remove the 2 s
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