Friedrich US08C10 Air Conditioner User Manual
Contents
1. EXTERNAL VACUUM PUMP CHARGING S pen CYLINDER Figure 17A Pulling Vacuum Figure 17B Charging 16 3 TROUBLESHOOTING GUIDE 3 1 OUTSIDE DIMENSIONS 20 3 32 499mm 3 2 PIPING SYSTEM CONDENSER COILS CAPILLARY TUBE MOTOR COMPRESSOR TURBO FAN EVAPORATOR COILS REFRIGERANT FLOW Following is a brief description of the important components and their functions in the refrigeration system Refer to Fig 18 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle ROOM AIR CONDITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS CONDENSER COILS SUCTION LINE VAPGRINLET COMPLETE LIQUID BOIL OFF POINT COOL LOW PRESSURE VAPOR HOT DISCHARGED AIR COOLED AIR ROOM AIR HEAT LOAD 1 LN gt OUTSIDE COOLING AIR FOR REFRIGERANT MOTOR PASS THROUGH gt 1 5 COMPRESSOR o LIQUID PRESSURE LIQUID OUTLET DROP LIQUID REFRIGERANT L VZZJHIGH PRESSURE VAPOR CAPILLARY TUBE 27 REFRIGERANT TJ Figure 18 E Low PRESSURE VAPOR 47 3 3 TROUBLESHOOTING GUIDE In general possible trouble is classif2. Move the evaporator to the side carefully Remove the orifice See Fig 5 Using handheld pliers remove the clamp which Remove the front grille Refer to section 2 1 1 Remove the cabinet Refer to section 2 1 2 Remove the 2 screws which fasten the evaporator at the left side and the right side See Fig 4 em an Figure 4 Figure 5 secures the turbo fan See Fig 6 Remove the turbo fan with pliers or your hand without touching blades See Fig 7 Re install the components by referring to the removal procedures above Figure 7 2 2 2 FAN N NO Remove the cabinet Refer to section 2 1 2 Remove the brace Remove the 7 screws which fasten the condenser Using handheld pliers remove the clamp which Remove the fan See Fig 8 Refer to section 2 2 1 Move the condenser to the side carefully secures the fan Re install the components by referring to the removal procedures above Figure 8 11 2 2 3 SHROUD 1 Remove the fan Refer to section 2 2 2 2 Remove the shroud See Fig 9 3 Re install the components by referring to the removal procedures above 2 3 ELECTRICAL PARTS 2 3 1 MOTOR 1 Remove the cabinet Refer to section 2 1 2 2 Remove the clamp cord and disconnect the wire housing in control box Refer to section 2 1 3 3 Remove the turbo fan Refer to section 2 2
3. 1 3 SPECIFICATIONS ee US08C10 REMARK ITEMS POWER SUPPLY 10 115V 60Hz COOLING CAPACITY Btu h 8 000 INPUT W 830 RUNNING CURRENT A 7 5 E E R Btu w h 9 6 REFRIGERANT R410A CHARGE 4000 14 102 OPERATING INDOOR F 80 DB 67 WB TEMPERATURE OUTDOOR F 95 DB 75 WB EVAPORATOR 2 ROW 12STACKS CONDENSER 05 2ROW 18STACKS L BENDING TYPE LOUVEREDFN TYPE FAN INDOOR TURBO FAN FAN OUTDOOR PROPELLER TYPE FAN WITH SLINGER RING FAN SPEEDS FAN COOLING 3 3 FAN MOTOR 6 POLES OPERATION CONTROL ELECTRIC ROOM TEMP CONTROL THERMISTOR AIR DIRECTION CONTROL VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN CONSTRUCTION TOP DOWN PROTECTOR COMPRESSOR EXTERNAL OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR POWER CORD 3WIRES WITH GROUNDING ATTACHMENT PLUG CORD CONNECTED TYPE LCDI DRAIN SYSTEM SPLASHED BY FAN SLINGER NET WEIGHT Is kg 73 33 DIMENSION inch 24 x 1413 20 2 82 WxHxD mm 610 x 366 x 499 SLEEVE DIMESION inch 25 Is x 15 17 82 16 23 OPTIONAL WxHxD mm 656 x 394 x 425 PART SLEEVE DEPTH inch 20 1 2 WITH FRONT GRILLE mm 521 3 1 3 SPECIFICATIONS US10C10 REMARK ITEMS POWER SUPPLY 10 115V 60Hz COOLING CAPACITY Btu h 9 800 INPUT W 1 040 R
4. 7 FRIEDRICH Uni Fit Thru the Wall Series Service and Parts Manual Thru the Wall Series 115 Volts eUS08C10 US10C10 US12C10 230 Volts eUS10C30 US12C30 US14C30 Unifit Cool Svc Parts 2010 05 10 CONTENTS 1 PREFACE 1 PREFACE 2 4 REFRIGERATION 14 1 1 SAFETY 2 2 4 1 CONDENSER 14 1 2 INSULATION RESISTANCE 2 2 4 2 EVAPORATOR 14 1 3 SPECIFICATIONS 3 8 2 4 3 CAPILLARY TUBE sse 14 1 4 FEATURES ap ia ies 9 3 TROUBLESHOOTING GUIDE 1 5 CONTROL LOCATIONS 9 3 1 OUTSIDE DIMENSIONS sss 17 2 DISASSEMBLY INSTRUCTIONS 3 2 PIPING SYSTEM 17 2 1 MECHANICAL 10 3 3 TROUBLESHOOTING GUIDE 18 2 1 1 FRONT 10 4 SCHEMATIC DIAGRAM 2 1 2 GABINETE tira Kairiai u dee 10 4 1 CIRCUIT 1 23 2 1 3 CONTROL 10 2 2 AIR HANDLING PARTS 11 5 EXPLODED VIEW 2 2 1 ORIFICE HEATER ASSY AND TURBO 11 6 REPLACEME
5. ATTACHMENT PLUG CORD CONNECTED TYPE LCDI DRAIN SYSTEM SPLASHED BY FAN SLINGER NET WEIGHT Is kg 73 33 DIMENSION inch 24 x 1413 32 x 20 3 32 W x Hx D mm 610 x 366 x 499 SLEEVE DIMESION inch 25 ls x 15 17 32 x 16 79 32 OPTIONAL W x H x D mm 656 x 394 x 425 PART SLEEVE DEPTH inch 20 1 2 WITH FRONT GRILLE mm 521 7 p Eu US14C30 REMARK ITEMS POWER SUPPLY 19 230 208V 60Hz COOLING CAPACITY Btu h 13 000 12 600 INPUT W 1 530 1 480 RUNNING CURRENT A 7 0 7 5 E E R Btu w h 8 5 8 5 REFRIGERANT R 410A CHARGE 5100 18 002 OPERATING INDOOR F 80 DB 67 WB TEMPERATURE OUTDOOR F 95 DB 75 WB EVAPORATOR 2 ROW 12STACKS CONDENSER 3ROW 18STACKS L BENDING TYPE 1ROW LOWERED FIN TYPE FAN INDOOR TURBO FAN FAN OUTDOOR PROPELLER TYPE FAN WITH SLINGER RING FAN SPEEDS FAN COOLING 3 3 FAN MOTOR 6 POLES OPERATION CONTROL ELECTRIC ROOM TEMP CONTROL THERMISTOR AIR DIRECTION CONTROL VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN CONSTRUCTION TOP DOWN PROTECTOR COMPRESSOR EXTERNAL OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR POWER CORD 3WIRES WITH GROUNDING ATTACHMENT PLUG CORD CONNECTED TYPE LCDI DRAIN SYSTEM SPLASHED BY FAN SLINGER NET WEIGHT lbs kg 73 33 DIMENSION inch 24 x 1413 32 20 3 32 WxHxD mm 610 x 366 x 499 SLEEVE DIMESION inch 25
6. Units using slinger ring condenser fans must have 1 4 to 5 16 inch clearance to the base If it is hitting 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 intermittently Cycles on overload Check voltage See limits on page 17 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 Grommets Check grommets if worn or missing replace them Fan If cracked out of balance or partially missing replace it Turbo fan If cracked out of balance or partially missing replace it Loose set screw 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 20 COMPLAINT CAUSE REMEDY Compressor will not run Voltage but fan motor runs Check voltage See the limits on the preceding page 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
7. BENDING LOUVERED FIN TYPE FAN INDOOR TURBO FAN FAN OUTDOOR PROPELLER TYPE FAN WITH SLINGER RING FAN SPEEDS FAN COOLING 3 3 FAN MOTOR 6 POLES OPERATION CONTROL ELECTRIC ROOM TEMP CONTROL THERMISTOR AIR DIRECTION CONTROL VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN CONSTRUCTION TOP DOWN PROTECTOR COMPRESSOR EXTERNAL OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR POWER CORD 3WIRES WITH GROUNDING ATTACHMENT PLUG CORD CONNECTED TYPE LCDI DRAIN SYSTEM SPLASHED BY FAN SLINGER NET WEIGHT Ibs kg 73 33 DIMENSION inch 24 x 1413 32 20 3 32 WxHxD mm 610 x 366 x 499 SLEEVE DIMESION inch 25 7 s 15 17 32 16 23 32 OPTIONAL W x H x D mm 656 x 394 x 425 PANI SLEEVE DEPTH inch 20 7 WITH FRONT GRILLE mm 521 5 a US12C10 REMARK ITEMS POWER SUPPLY 10 230V 208V 60Hz COOLING CAPACITY Btu h 11500 11200 INPUT W 1220 1190 RUNNING CURRENT A 5 6 6 0 E E R Btu w h 9 4 9 4 REFRIGERANT R 410A CHARGE 5259 18 0 OZ OPERATING INDOOR F 80 DB 67 WB TEMPERATURE OUTDOOR F 95 DB 75 WB EVAPORATOR 2 ROW 12STACKS CONDENSER 3ROW 18STACKS L BENDING TYPE 1 ROW LOUVEREDFN TYPE FAN INDOOR TURBO FAN FAN OUTDOOR PROPELLER TYPE FAN WITH SLINGER RING FAN SPEEDS FAN COOLING 3 3 FAN MOTOR 6 POLES OPERATION CONTROL ELECTRIC ROOM TEMP CONTROL THERMISTOR AIR
8. correct 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 ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 115V 103 5V 126 5V 208 230V 187V 253V 21 COMPLAINT CAUSE REMEDY Compressor cycles on overload Voltage Check the voltage See the limits on the preced ing page 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 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 do not damage fins Clean the interior base before reassembling Condenser fins If condenser fins are closed over a large area damaged on the coil surface head pressures will increase causing the compressor to cycle Straighten the fins or replace the coil Capa
9. side 4 Move the evaporator to the side carefully and then unbraze the interconnecting tube at the evaporator connectors 5 Remove the evaporator 6 Re install the components by referring to the notes pages 11 13 See Fig 16 411 JA n 17 w 47 x i QU I Figure 16 2 4 3 CAPILLARY TUBE 1 Remove the cabinet Refer to section 2 1 2 2 After discharging the refrigerant completely into a Freon Recovery System unbraze the interconnecting tube at the capillary tube 3 Remove the capillary tube 4 Re install the components by referring to the notes on page 11 13 14 NOTES Replacement of the refrigeration cycle 1 When replacing refrigeration components be sure to discharge the refrigerant system using a Freon recovery System Install a valve for the recovery before venting the Freon remove the valve when finished 2 After discharging the unit completely remove the desired component and unbraze the pinch off tubes 3 Solder service valves into the pinch off tube ports leaving the valves open 4 Solder the pinch off tubes with Service valves 5 Evacuate as follows 1 Connect the vacuum pump as illustrated Fig 17A 2 Start the vacuum pump slowly open manifold valves A and B with two full turns counterclockwise and leave the valves closed The vacuum p
10. you push this button it 1 Hour gt 2 Hours gt gt 12 Hours maximum advances the setting as follows START TIME High gt Low gt Med gt High If unit is off use Timer to set number of hours before unit starts Push Timer button to advance setting from 1 Hour 2 Hours gt gt 12 Hours maximum MODE Push this button to shift mode of operation from COOL MONEY SAVER gt FAN COOL Fan runs continually for normal cooling operation MONEY SAVER The fan stops when the compressor stops cooling Approximately every 3 minutes the fan will turn on and the unit will check the room air to determine if cooling is needed FAN Fan only operation VENTILATION Push the lever to the CLOSE position to cool heat or recirculate room air only SS Pull the lever to the OPEN position to exhaust smoke or stale air from the room This feature is best used in conjunction with the FAN ONLY position RN cw When the air conditioner has been operating in the PULL OPEN PUSH CLOSE cooling and is turned off or set to the fan only position wait at least 3 minutes before resetting to the cooling operation again 2 DISASSEMBLY INSTRUCTIONS Prior to disassembling the unit make sure that the POWER is off and the power cord is unplugged from the wall receptacle 2 1 MECHANICAL PARTS 2 1 1 FRONT GRILLE 1 Open the inlet grille downward 2 Remove the screw which fastens the
11. 10 POWER CORD ASSEMBLY 67300026 267110 REMOTE CONTROLLER ASSEMBLY 67302239 567502 OverloadProtect 67301908 268711 2 PWB PCB ASSEMBLY MAIN 67307618 268711 1 PWB PCB ASSEMBLY DISPLAY 67307619 435300 GRILLE REAR 67304801 237200 PANEL CONTROL 67305510 731273 INSTALL PART ASSEMBLY SINGLE 67306311 249950 CASE ASSEMBLY CONTROL 67305523 435301 GRILLE REAR 67304801 349480 ORIFICE 67303409 27 LocNo Description US12C10 WOCZZ CAPACITOR FILM BOX 67300729 130410 BASE ASSEMBLY SINGLE 67305520 130900 CABINET 67303717 132100 FRAME 67308102 135303 GRILLE INLET 67306106 135312 GRILLE ASSEMBLY FRONT SINGLE 67306012 238310 ESCUTCHEON 67500114 W48602 CLAMP SPRING 67302500 346811 MOTOR ASSEMBLY SINGLE 67303023 147581 LOUVER HORIZONTAL 67306205 147582 1 LOUVER VERTICAL 67306256 147582 2 LOUVER VERTICAL 67306257 349600 BRACKET MOTOR 67303606 149980 SHROUD 67500112 550140 DAMPER COMPRESSOR 67305000 152302 FILTER AIR 67500113 352380 AIR GUIDE 67302741 359012 FAN TURBO 67302607 559011 FAN ASSEMBLY AXIAL 67303202 567480 THERMISTOR ASSEMBLY 67307804 264110 POWER CORD ASSEMBLY 67300025 267110 REMOTE CONTROLLER ASSEMBLY 67302239 567502 OverloadProtect 67301905 268711 2 PWB PCB ASSEMBLY MAIN 67307620 268711 1 PWB PCB ASSEMBLY DISPLAY 67307619 435300 GRILLE REAR 67304801 237200 PANEL CONTROL 67305510 731273 INSTALL PART ASSEMBLY SINGLE 67306311 2
12. 2 Remove the fan Refer to section 2 2 2 5 Remove the 4 or 2 screws which fasten the motor See Fig 10 6 Remove the motor 7 Re install the components by referring to the removal procedures 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 Install a valve for recovery before venting the Freon Remove the valve when finished 3 Disconnect the 3 leads from the compressor 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 See Fig 11 Remove the compressor 7 Re install the components by referring to the removal procedures above o 2 3 3 CAPACITOR 1 Remove the control box Refer to section 2 1 3 2 Remove the 1 screw 3 Open the control box 4 Disconnect all the leads on the capacitor terminals 5 Re install the components by referring to the removal procedures above Figure 9 Figure 11 Figure 12 412 2 3 4 POWER CORD 1 Remove the control box Refer to section 2 1 3 2 Unfold the control box Refer to section 2 3 3 3 Disconnect the grounding screw from the Base pan Disconnect 2 receptacles Remove a screw which fastens the clip cord Pull the power cord See Fig 13 Re install the components by referring to the removal procedure
13. 49950 CASE ASSEMBLY CONTROL 67305524 435301 GRILLE REAR 67304801 349480 ORIFICE 67303409 28 LocNo Description US12C30 WOCZZ CAPACITOR FILM BOX 67300726 130410 BASE ASSEMBLY SINGLE 67305520 130900 CABINET 67303717 132100 FRAME 67308102 135303 GRILLE INLET 67306106 135312 GRILLE ASSEMBLY FRONT SINGLE 67306012 238310 ESCUTCHEON 67500114 W48602 CLAMP SPRING 67302500 346811 MOTOR ASSEMBLY SINGLE 67303037 147581 LOUVER HORIZONTAL 67306205 147582 1 LOUVER VERTICAL 67306256 147582 2 LOUVER VERTICAL 67306257 349600 BRACKET MOTOR 67303606 149980 SHROUD 67500112 550140 DAMPER COMPRESSOR 67305000 152302 FILTER AIR 67500113 352380 AIR GUIDE 67302741 359012 FAN TURBO 67302607 559011 FAN ASSEMBLY AXIAL 67303202 567480 THERMISTOR ASSEMBLY 67307804 264110 POWER CORD ASSEMBLY 67300026 267110 REMOTE CONTROLLER ASSEMBLY 67302239 567502 OverloadProtect 67301906 268711 2 PWB PCB ASSEMBLY MAIN 67307618 268711 1 PWB PCB ASSEMBLY DISPLAY 67307619 435300 GRILLE REAR 67304801 237200 PANEL CONTROL 67305510 731273 INSTALL PART ASSEMBLY SINGLE 67306311 249950 CASE ASSEMBLY CONTROL 67305525 435301 GRILLE REAR 67304801 349480 ORIFICE 67303409 20 LocNo Description US14C30 WOCZZ CAPACITOR FILM BOX 67300709 130410 BASE ASSEMBLY SI
14. 6205 147582 1 LOUVER VERTICAL 67306256 147582 2 LOUVER VERTICAL 67306257 349600 BRACKET MOTOR 67303606 149980 SHROUD 67500112 550140 DAMPER COMPRESSOR 67305000 152302 FILTER AIR 67500113 352380 AIR GUIDE 67302741 359012 FAN TURBO 67302607 559011 FAN ASSEMBLY AXIAL 67303202 567480 THERMISTOR ASSEMBLY 67307804 264110 POWER CORD ASSEMBLY 67300027 267110 REMOTE CONTROLLER ASSEMBLY 67302239 567502 OverloadProtect 67301905 268711 2 ASSEMBLY MAIN 67307620 268711 1 PWB PCB ASSEMBLY DISPLAY 67307619 435300 GRILLE REAR 67304801 237200 PANEL CONTROL 67305510 731273 INSTALL PART ASSEMBLY SINGLE 67306311 249950 CASE ASSEMBLY CONTROL 67305522 435301 GRILLE REAR 67304801 349480 ORIFICE 67303409 26 LocNo Description US10C30 WOCZZ CAPACITOR FILM BOX 67300709 130410 BASE ASSEMBLY SINGLE 67302925 130900 CABINET 67303717 132100 FRAME 67308102 135303 GRILLE INLET 67306106 135312 GRILLE ASSEMBLY FRONT SINGLE 67306012 238310 ESCUTCHEON 67500114 W48602 CLAMP SPRING 67302500 346811 MOTOR ASSEMBLY SINGLE 67303024 147581 LOUVER HORIZONTAL 67306205 147582 1 LOUVER VERTICAL 67306256 147582 2 LOUVER VERTICAL 67306257 149980 SHROUD 67500112 550140 DAMPER COMPRESSOR 67305000 152302 FILTER AIR 67500113 352380 AIR GUIDE 67302740 359012 FAN TURBO 67302607 559011 FAN ASSEMBLY AXIAL 67303202 567480 THERMISTOR ASSEMBLY 67307804 2641
15. DIRECTION CONTROL VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN CONSTRUCTION TOP DOWN PROTECTOR COMPRESSOR EXTERNAL OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR POWER CORD 3WIRES WITH GROUNDING ATTACHMENT PLUG CORD CONNECTED TYPE LCDI DRAIN SYSTEM SPLASHED BY FAN SLINGER NET WEIGHT Ibs kg 73 33 DIMENSION inch 24 x 1413 32 x 20 3 32 WxHxD mm 610 x 366 x 499 SLEEVE DIMESION inch 25 ls x 15 17 32 16 29 32 OPTIONAL WxHxD mm 656 x 394 x 425 PART SLEEVE DEPTH inch 20 1 2 WITH FRONT GRILLE mm 521 a US12C30 REMARK ITEMS POWER SUPPLY 10 230 208V 60Hz COOLING CAPACITY Btu h 11 500 11 200 INPUT W 1 220 1 190 RUNNING CURRENT A 5 6 6 0 Btu w h 9 4 9 4 REFRIGERANT R 410A CHARGE 5100 18 002 OPERATING INDOOR F 80 DB 67 WB TEMPERATURE OUTDOOR F 95 DB 75 WB EVAPORATOR 2 ROW 12STACKS CONDENSER 3ROW 18STACKS L BENDING TYPE 1 ROW LOUVEREDEI TIPE FAN INDOOR TURBO FAN FAN OUTDOOR PROPELLER TYPE FAN WITH SLINGER RING FAN SPEEDS FAN COOLING 3 3 FAN MOTOR 6 POLES OPERATION CONTROL ELECTRIC ROOM TEMP CONTROL THERMISTOR AIR DIRECTION CONTROL VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN CONSTRUCTION TOP DOWN PROTECTOR COMPRESSOR EXTERNAL OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR POWER CORD 3WIRES WITH GROUNDING
16. NGLE 67302926 130900 CABINET 67303717 132100 FRAME 67308102 135303 GRILLE INLET 67306106 135312 GRILLE ASSEMBLY FRONT SINGLE 67306012 238310 ESCUTCHEON 67500114 W48602 CLAMP SPRING 67302500 346811 MOTOR ASSEMBLY SINGLE 67303037 147581 LOUVER HORIZONTAL 67306205 147582 1 LOUVER VERTICAL 67306256 147582 2 LOUVER VERTICAL 67306257 349600 BRACKET MOTOR 67303606 149980 SHROUD 67500112 550140 DAMPER COMPRESSOR 67305000 152302 FILTER AIR 67500113 352380 AIR GUIDE 67302741 359012 FAN TURBO 67302607 559011 FAN ASSEMBLY AXIAL 67303202 567480 THERMISTOR ASSEMBLY 67307804 264110 POWER CORD ASSEMBLY 67300026 267110 REMOTE CONTROLLER ASSEMBLY 67302239 268711 2 PWB PCB ASSEMBLY MAIN 67307618 268711 1 PWB PCB ASSEMBLY DISPLAY 67307619 435300 GRILLE REAR 67304801 237200 PANEL CONTROL 67305510 731273 INSTALL PART ASSEMBLY SINGLE 67306311 249950 CASE ASSEMBLY CONTROL 67305526 435301 GRILLE REAR 67304801 349480 ORIFICE 67303409 30 FRIEDRICH FRIEDRICH AIR CONDITIONING CO Visit our web site at www friedrich com Post Office Box 1540 4200 Pan Am Expressway San Antonio Texas 78295 1540 210 357 4400 FAX 210 357 4480 P NO 3828A20294U Printed in the U S A Unifit Cool Sve Parts 2010 05 10
17. NT PARTS LIST 25 30 QO PAN S oy Spa e aa TENES 11 2 2 3 e ala CL D L 12 2 3 ELECTRICAL PARTS 12 2 9 MOTOR iiec trece 12 2 3 2 12 2 9 9 GAPAGITOR rettet ns 12 2 3 4 POWER CORD 13 2 3 5 THERMISTOR 13 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 the unit turn off the air conditioner 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 the unit make an insulation resistance test to protect 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 amp 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 equipment 4 The value should be over 1MQ
18. TOR FILM BOX 67300709 130410 BASE ASSEMBLY SINGLE 67302925 130900 CABINET 67303717 132100 FRAME 67308102 135303 GRILLE INLET 67306106 135312 GRILLE ASSEMBLY FRONT SINGLE 67306012 238310 ESCUTCHEON 67500114 W48602 CLAMP SPRING 67302500 346811 MOTOR ASSEMBLY SINGLE 67303021 147581 LOUVER HORIZONTAL 67306205 147582 1 LOUVER VERTICAL 67306256 147582 2 LOUVER VERTICAL 67306257 149980 SHROUD 67500112 550140 DAMPER COMPRESSOR 67305000 152302 FILTER AIR 67500113 352380 AIR GUIDE 67302739 359012 FAN TURBO 67302607 559011 FAN ASSEMBLY AXIAL 67303202 567480 THERMISTOR ASSEMBLY 67307804 264110 POWER CORD ASSEMBLY 67300027 267110 REMOTE CONTROLLER ASSEMBLY 67302239 567502 OverloadProtect 67301907 268711 2 ASSEMBLY MAIN 67307620 268711 1 ASSEMBLY DISPLAY 67307619 435300 GRILLE REAR 67304801 237200 PANEL CONTROL 67305510 731273 INSTALL PART ASSEMBLY SINGLE 67306311 249950 CASE ASSEMBLY CONTROL 67305521 435301 GRILLE REAR 67304801 349480 ORIFICE 67303409 25 LocNo Description 0510 10 WOCZZ CAPACITOR FILM BOX 67300724 130410 BASE ASSEMBLY SINGLE 67305520 130900 CABINET 67303717 132100 FRAME 67308102 135303 GRILLE INLET 67306106 135312 GRILLE ASSEMBLY FRONT SINGLE 67306012 238310 ESCUTCHEON 67500114 W48602 CLAMP SPRING 67302500 346811 MOTOR ASSEMBLY SINGLE 67303023 147581 LOUVER HORIZONTAL 6730
19. UNNING CURRENT A 9 6 E E R Btu w h 9 4 REFRIGERANT R 410A CHARGE 4450 15 702 OPERATING INDOOR F 80 DB 67 WB TEMPERATURE OUTDOOR F 95 DB 75 WB EVAPORATOR 2 ROW 12STACKS CONDENSER 051 3ROW 18STACKS L BENDING TYPE LOUVERED FN TYPE FAN INDOOR TURBO FAN FAN OUTDOOR PROPELLER TYPE FAN WITH SLINGER RING FAN SPEEDS FAN COOLING 3 3 FAN MOTOR 6POLES OPERATION CONTROL ELECTRIC ROOM TEMP CONTROL THERMISTOR AIR DIRECTION CONTROL VERTICAL LOUVER RIGHT 8 LEFT HORIZONTAL LOUVER UP amp DOWN CONSTRUCTION TOP DOWN PROTECTOR COMPRESSOR EXTERNAL OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR POWER CORD 3WIRES WITH GROUNDING ATTACHMENT PLUG CORD CONNECTED TYPE LCDI DRAIN SYSTEM SPLASHED BY FAN SLINGER NET WEIGHT Is kg 73 33 DIMENSION inch 24 14182 20 WxHxD mm 610 x 366 x 499 SLEEVE DIMESION inch 25 Is 15 17 82 16 23 OPTIONAL WxHxD mm 656 x 394 x 425 PART SLEEVE DEPTH inch 20 1 2 WITH FRONT GRILLE mm 521 US10C30 REMARK ITEMS POWER SUPPLY 19 230 208 60Hz COOLING CAPACITY Btu h 10 000 9 800 INPUT W 1060 1040 RUNNING CURRENT A 4 7 5 2 E E R Btu w h 9 4 9 4 REFRIGERANT R410A CHARGE 4600 16 2 02 OPERATING INDOOR F 80 DB 67 WB TEMPERATURE OUTDOOR F 95 DB 75 WB EVAPORATOR 2 ROW 125 5 CONDENSER 05 0 3ROW 18STACKS L
20. above Use only one ground marked hole gt for ground connection 8 If the supply cord of this appliance is damaged it must be replaced with the factory authorized and specified cord oos 2 3 5 ELECTRONIC CONTROL BOARD 1 Remove the control box Refer to section 2 1 3 2 Unfold the control box Refer to section 2 3 3 3 Disconnect all the leads of Electronic control board terminals 4 Remove the Electronic control board See Fig 14 5 Re install the components by referring to the removal procedures above Figure 13 Figure 14 13 2 4 REFRIGERATION CYCLE B CAUTION Discharge the refrigerant system using a Freon Recovery System Install a valve for the recovery before venting the Freon remove the valve when finished 2 4 1 CONDENSER 1 Remove the cabinet Refer to section 2 1 2 2 Remove the brace Refer to section 2 2 1 3 Remove the 7 screws which fasten the condenser 4 After discharging the refrigerant completely into a Freon Recovery System unbraze the interconnecting tube at the condenser connections 5 Remove the condenser 6 Re install the components by referring to the notes pages 11 13 See Fig 15 2 4 2 EVAPORATOR 1 Remove the cabinet Refer to section 2 1 2 2 Discharge the refrigerant completely into a Freon Recovery System 3 Remove the 2 screws which fasten the evaporator at the left side and the right
21. citor Test capacitor Wiring Check the terminals If loose repair or replace Refrigerating system Check the system for a restriction Insufficient cooling or heating Air filter If restricted clean or 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 and carefully rearrange tubing not to contact cabinet compressor shroud and barrier 22 4 SCHEMATIC DIAGRAM 4 1 CIRCUIT DIAGRAM WIRING DIAGRAM CN MOTOR CN MAIN1 CN DISP1 I T CN MAIN2 CN DISP2 j amp jgloj DISPLAY PCB J OS d x ASSEMBLY d TRANS PE PS LLI SMPS CN PWR 296 E SWITCH WH BL Ribbed FUSE 2 250V T2A 250V T3 15A 3 RY COMP MAIN PCB ASSEMBLY BK BR Plain AIR FILTER ASSEMBLY MEZ62420710 23 Exploded View Exploded View 24 LocNo Description 0508 10 WOCZZ CAPACI
22. compressor fails to start Drop in power voltage Defective compressor capacitor Check capacitor Replacement Check circuit breaker and fuse Check control board Y Only fan fails to start Y Improper wiring Improper thermostat setting Y Defect of fan motor Loose terminal connection capacitor Improper wiring Irregular motor resistance Q Irregular motor insulation Q Y Replacement of fan motor Irregular motor resistance Q Y Irregular motor insulation Replacement of compressor Motor damaged 19 Regular but fails to start Replacement of compressor locking of rotor metal COMPLAINT CAUSE REMEDY Fan motor will not run No power Check voltage at outlet Correct if none 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
23. front grille 3 Pull the front grille from the right side 4 Remove the front grille See Fig 1 5 Re install the component by referring to the removal procedure 2 1 2 CABINET 1 After disassembling the FRONT GRILLE remove the 6 screws which fasten the cabinet at the both sides and the top See Fig 2 Keep these for later use Figure 2 2 1 3 CONTROL BOX 1 Remove the front grille Refer to section 2 1 1 2 Remove the screw which fasten the control box See Fig 3 3 Pull the control box from the barrier See Fig 3 4 Discharge the capacitor by placing a 20 000 ohm resistor across the capacitor terminals 5 Disconnect two wire housings in the control box Pull the control box forward completely 7 Re install the components by referring to the removal procedure See Fig 3 Refer to the circuit diagram found page 19 Figure 3 this manual and on the control box o 410 2 2 AIR HANDLING PARTS 2 2 1 ORIFICE AND TURBO FAN 1 2 3
24. ied in two causes 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 or improper application Unit is running but cooling is ineffective Ineffective Cooling Check cold air circulation for smooth flow Dirty indoor coil Heat exchanger Malfunction of fan Clogged air filter Obstruction at air outlet Correct above troubles Check for a clog in refrigeration circuit Repair for a clog in refrigeration circuit Y Check outdoor coil heat exchanger amp the fan Check heat load increase operation Check gas leakage Unexpected residue Repair gas leak Overloaded Circuit Replacement of unit if the unit is beyond repair Check inside gas pressure Y Adjusting of refrigerant charge Malfunction of compressor Satisfactory operation with temperature difference of inlet amp outlet air 18 26 F Replacement of compressor 18 Fails to Start Check power source Check control switch setting Only
25. la x 15 17 32 16 23 32 OPTIONAL W x H x D mm 656 x 394 x 425 SLEEVE DEPTH inch 20 7 WITH FRONT GRILLE mm 521 1 4 FEATURES Designed for cooling only Built in adjustable THERMOSTAT Powerful and quiet Washable one touch filter Slide out chassis for the simple installation and service Compact size 1 5 CONTROL LOCATIONS 1 5 1 COOLING ONLY MODEL OPERATION REMOTE CONTROL SIGNAL RECEIVER F1 LOW i Money LUN TEMPERATURE SETTING Severe Use this button to automatically control the Fan Only em temperature of the room Timer em v A 2 temperature be set within range Temp Hour of 60 F to 86 F by increments of 1 F The setting appears in the display Timer Fan e on fi J speed J Power POWER To turn the air conditioner ON push this TIMER button To turn the air conditioner OFF push the button again ae ie This Bien takes priority over any other You will usually use shut off time while you sleep button If unit is running use Timer to set number of When you first turn it on the unit is in hours until shut off For your sleeping comfort once Time is set the Temperature setting will rise 2 F after 30 min cool mode at High fan speed and set at a temperature setting of 72 F and once again after another 30 min FAN SPEED Push Timer button to advance setting from Every time
26. o not add the liquid refrigerant to the Low side b Watch the Low side gauge allow pressure to rise to 39 165 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 for leakage add 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 E DENSER COMPOUND GAUG u H PRESSURE SIDE MANIFOLD CON
27. ump is now pulling through valves A 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 Fig 17B Open valve C Discharge the line at the manifold connection 5 The system is now ready for final charging 15 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 Fig 17B With valve C open discharge the hose at the manifold connection 3 Open valve A and allow the proper charge to enter the system Valve B is still closed 4 If more charge is required and 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 D
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