Friedrich Uni-Fit US08C10 Service And Parts Manual
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Friedrich Uni-Fit US08C10 Service And Parts Manual

Thru-the-wall series 115 & 230 volt
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See also: Operation & Installation Manual
Uni- Fit
R
Thru-the-Wall Series
Service and Parts
Manual
Thru-the-Wall Series
115 Volts US08C10 US10C10 US12C10
230 Volts US10C30 US12C30 US14C30
Unifit Cool Svc Parts 2010 (05/10)
Unifit. Cool (03/07)

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  • Page 1 Uni- Fit Thru-the-Wall Series Service and Parts Manual Thru-the-Wall Series 115 Volts US08C10 US10C10 US12C10 230 Volts US10C30 US12C30 US14C30 Unifit Cool Svc Parts 2010 (05/10) Unifit. Cool (03/07)

  • Page 2: Table Of Contents

    SERVICE MANUAL This 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.

  • Page 3: Specifications

    1.3 SPECIFICATIONS MODELS ITEMS POWER SUPPLY COOLING CAPACITY (Btu/h) INPUT RUNNING CURRENT (A) E.E.R (Btu/w.h) REFRIGERANT (R410A) CHARGE OPERATING INDOOR (°F) TEMPERATURE OUTDOOR (°F) EVAPORATOR CONDENSER FAN, INDOOR FAN, OUTDOOR FAN SPEEDS, FAN/COOLING FAN MOTOR OPERATION CONTROL ROOM TEMP. CONTROL AIR DIRECTION CONTROL CONSTRUCTION PROTECTOR...
  • Page 4 MODELS ITEMS POWER SUPPLY COOLING CAPACITY (Btu/h) INPUT RUNNING CURRENT (A) E.E.R (Btu/w.h) REFRIGERANT (R-410A) CHARGE OPERATING INDOOR (°F) TEMPERATURE OUTDOOR (°F) EVAPORATOR CONDENSER FAN, INDOOR FAN, OUTDOOR FAN SPEEDS, FAN/COOLING FAN MOTOR OPERATION CONTROL ROOM TEMP. CONTROL AIR DIRECTION CONTROL CONSTRUCTION PROTECTOR COMPRESSOR...
  • Page 5 MODELS ITEMS POWER SUPPLY COOLING CAPACITY (Btu/h) INPUT RUNNING CURRENT (A) E.E.R (Btu/w.h) REFRIGERANT (R410A) CHARGE OPERATING INDOOR (°F) TEMPERATURE OUTDOOR (°F) EVAPORATOR CONDENSER FAN, INDOOR FAN, OUTDOOR FAN SPEEDS, FAN/COOLING FAN MOTOR OPERATION CONTROL ROOM TEMP. CONTROL AIR DIRECTION CONTROL CONSTRUCTION PROTECTOR COMPRESSOR...
  • Page 6 MODELS ITEMS POWER SUPPLY COOLING CAPACITY (Btu/h) INPUT RUNNING CURRENT (A) E.E.R (Btu/w.h) REFRIGERANT (R-410A) CHARGE OPERATING INDOOR (°F) TEMPERATURE OUTDOOR (°F) EVAPORATOR CONDENSER FAN, INDOOR FAN, OUTDOOR FAN SPEEDS, FAN/COOLING FAN MOTOR OPERATION CONTROL ROOM TEMP. CONTROL AIR DIRECTION CONTROL CONSTRUCTION PROTECTOR COMPRESSOR...
  • Page 7 MODELS ITEMS POWER SUPPLY COOLING CAPACITY (Btu/h) INPUT RUNNING CURRENT (A) E.E.R (Btu/w.h) REFRIGERANT (R-410A) CHARGE OPERATING INDOOR (°F) TEMPERATURE OUTDOOR (°F) EVAPORATOR CONDENSER FAN, INDOOR FAN, OUTDOOR FAN SPEEDS, FAN/COOLING FAN MOTOR OPERATION CONTROL ROOM TEMP. CONTROL AIR DIRECTION CONTROL CONSTRUCTION PROTECTOR COMPRESSOR...
  • Page 8 MODELS ITEMS POWER SUPPLY COOLING CAPACITY (Btu/h) INPUT RUNNING CURRENT (A) E.E.R (Btu/w.h) REFRIGERANT (R-410A) CHARGE OPERATING INDOOR (°F) TEMPERATURE OUTDOOR (°F) EVAPORATOR CONDENSER FAN, INDOOR FAN, OUTDOOR FAN SPEEDS, FAN/COOLING FAN MOTOR OPERATION CONTROL ROOM TEMP. CONTROL AIR DIRECTION CONTROL CONSTRUCTION PROTECTOR COMPRESSOR...

  • Page 9: Features

    This feature is best used in conjunction with the FAN ONLY position. CAUTION When the air conditioner has been operating in the cooling and is turned off or set to the fan only position, wait at least 3 minutes before resetting to the cooling operation again.

  • Page 10: Disassembly Instructions

    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 front grille. 3.

  • Page 11: Air Handling Parts

    2.2 AIR HANDLING PARTS 2.2.1 ORIFICE, AND TURBO FAN 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 evaporator at the left side and the right side. (See Fig.

  • Page 12: Shroud

    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.

  • Page 13: Power Cord

    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. 4. Disconnect 2 receptacles. 5. Remove a screw which fastens the clip cord. 6.

  • Page 14: Refrigeration Cycle

    2.4 REFRIGERATION CYCLE 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.
  • Page 15 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.
  • Page 16 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. Figure 17A-Pulling Vacuum Figure 17B-Charging —16—...

  • Page 17: Outside Dimensions

    Refer to Fig. 18 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle. EVAPORATOR COILS COOLED LIQUID PRESSURE DROP " ROOM AIR CONDITIONER CYCLE OF REFRIGERATION SUCTION LINE COMPLETE LIQUID COOL LOW PRESSURE VAPOR BOIL OFF POINT ROOM AIR HEAT LOAD...

  • Page 18: Troubleshooting Guide

    3.3 TROUBLESHOOTING GUIDE In general, possible trouble is classified 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 Check cold air circulation for smooth flow.
  • Page 19 Check power source. Check control switch setting. Only compressor fails to start. Drop in power voltage. Defective compressor capacitor. Check capacitor. Replacement. Irregular motor resistance ( ) Irregular motor insulation ( ) Replacement of compressor (Motor damaged) Fails to Start Improper thermostat setting Loose terminal connection.
  • Page 20 Fan motor will not run. No power Wire disconnected or connection loose Capacitor (Discharge capacitor before testing.) Will not rotate Fan motor runs Cycles on overload. intermittently Fan motor noise. Grommets Turbo fan Loose set screw Worn bearings Check voltage at outlet. Correct if none. Connect wire.

  • Page 21: Room Air Conditioner Voltage Limits

    Compressor Overload ROOM AIR CONDITIONER VOLTAGE LIMITS Check voltage. See the limits on the preceding. page. If not within limits, call an electrician. Check the wire connections, if loose, repair or replace the terminal. If wires are off, refer to wiring diagram for identification, and replace.
  • Page 22 COMPLAINT Compressor cycles Voltage on overload. Overload Fan motor Condenser air flow restriction Condenser fins (damaged) Capacitor Wiring Refrigerating system Insufficient cooling or Air filter heating Exhaust damper door Unit undersized Excessive noise. Blower or fan Copper tubing CAUSE Check the voltage. See the limits on the preced- ing page.

  • Page 23: Schematic Diagram

    4. SCHEMATIC DIAGRAM 4.1 CIRCUIT DIAGRAM WIRING DIAGRAM (SMPS) 250V/T2A (250V/T3.15A) MEZ62420710 —23—...

  • Page 24: Exploded View

    Exploded View 152302 135303 359012 W48602 349480 731273 264110 268711-2 567480 268711-1 238310 237200 132100 147581 147582-1 147582-2 149980 135312 346811 352380 130410 267110 249950 W0CZZ —24— 131400 559011 435301 435300 567502 550140...

  • Page 25: Replacement Parts List

    LocNo W0CZZ CAPACITOR,FILM,BOX 130410 BASE ASSEMBLY,SINGLE 130900 CABINET 132100 FRAME 135303 GRILLE,INLET 135312 GRILLE ASSEMBLY,FRONT(SINGLE) 238310 ESCUTCHEON W48602 CLAMP,SPRING 346811 MOTOR ASSEMBLY,SINGLE 147581 LOUVER,HORIZONTAL 147582-1 LOUVER,VERTICAL 147582-2 LOUVER,VERTICAL 149980 SHROUD 550140 DAMPER,COMPRESSOR 152302 FILTER,AIR 352380 AIR GUIDE 359012 FAN,TURBO 559011 FAN ASSEMBLY,AXIAL 567480 THERMISTOR ASSEMBLY...
  • Page 26 LocNo W0CZZ CAPACITOR,FILM,BOX 130410 BASE ASSEMBLY,SINGLE 130900 CABINET 132100 FRAME 135303 GRILLE,INLET 135312 GRILLE ASSEMBLY,FRONT(SINGLE) 238310 ESCUTCHEON W48602 CLAMP,SPRING 346811 MOTOR ASSEMBLY,SINGLE 147581 LOUVER,HORIZONTAL 147582-1 LOUVER,VERTICAL 147582-2 LOUVER,VERTICAL 349600 BRACKET,MOTOR 149980 SHROUD 550140 DAMPER,COMPRESSOR 152302 FILTER,AIR 352380 AIR GUIDE 359012 FAN,TURBO 559011 FAN ASSEMBLY,AXIAL...
  • Page 27 LocNo W0CZZ CAPACITOR,FILM,BOX 130410 BASE ASSEMBLY,SINGLE 130900 CABINET 132100 FRAME 135303 GRILLE,INLET 135312 GRILLE ASSEMBLY,FRONT(SINGLE) 238310 ESCUTCHEON W48602 CLAMP,SPRING 346811 MOTOR ASSEMBLY,SINGLE 147581 LOUVER,HORIZONTAL 147582-1 LOUVER,VERTICAL 147582-2 LOUVER,VERTICAL 149980 SHROUD 550140 DAMPER,COMPRESSOR 152302 FILTER,AIR 352380 AIR GUIDE 359012 FAN,TURBO 559011 FAN ASSEMBLY,AXIAL 567480 THERMISTOR ASSEMBLY...
  • Page 28 LocNo W0CZZ CAPACITOR,FILM,BOX 130410 BASE ASSEMBLY,SINGLE 130900 CABINET 132100 FRAME 135303 GRILLE,INLET 135312 GRILLE ASSEMBLY,FRONT(SINGLE) 238310 ESCUTCHEON W48602 CLAMP,SPRING 346811 MOTOR ASSEMBLY,SINGLE 147581 LOUVER,HORIZONTAL 147582-1 LOUVER,VERTICAL 147582-2 LOUVER,VERTICAL 349600 BRACKET,MOTOR 149980 SHROUD 550140 DAMPER,COMPRESSOR 152302 FILTER,AIR 352380 AIR GUIDE 359012 FAN,TURBO 559011 FAN ASSEMBLY,AXIAL...
  • Page 29 LocNo· W0CZZ CAPACITOR,FILM,BOX 130410 BASE ASSEMBLY,SINGLE 130900 CABINET 132100 FRAME 135303 GRILLE,INLET 135312 GRILLE ASSEMBLY,FRONT(SINGLE) 238310 ESCUTCHEON W48602 CLAMP,SPRING 346811 MOTOR ASSEMBLY,SINGLE 147581 LOUVER,HORIZONTAL 147582-1 LOUVER,VERTICAL 147582-2 LOUVER,VERTICAL 349600 BRACKET,MOTOR 149980 SHROUD 550140 DAMPER,COMPRESSOR 152302 FILTER,AIR 352380 AIR GUIDE 359012 FAN,TURBO 559011 FAN ASSEMBLY,AXIAL...
  • Page 30 LocNo· W0CZZ CAPACITOR,FILM,BOX 130410 BASE ASSEMBLY,SINGLE 130900 CABINET 132100 FRAME 135303 GRILLE,INLET 135312 GRILLE ASSEMBLY,FRONT(SINGLE) 238310 ESCUTCHEON W48602 CLAMP,SPRING 346811 MOTOR ASSEMBLY,SINGLE 147581 LOUVER,HORIZONTAL 147582-1 LOUVER,VERTICAL 147582-2 LOUVER,VERTICAL 349600 BRACKET,MOTOR 149980 SHROUD 550140 DAMPER,COMPRESSOR 152302 FILTER,AIR 352380 AIR GUIDE 359012 FAN,TURBO 559011 FAN ASSEMBLY,AXIAL...
  • Page 31 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) 357-4480 P/NO.:3828A20294U Printed in the U.S.A Unifit Cool Svc Parts 2010 (05/10)

This manual is also suitable for:

Uni-fit us10c30Uni-fit us12c10Uni-fit us12c30Uni-fit us14c30Uni-fit us10c10

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