Friedrich Uni-Fit US12C10 Service Manual
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Friedrich Uni-Fit US12C10 Service Manual

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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

    CONTENTS 1. PREFACE 2.4 REFRIGERATION CYCLE.........14 2.4.1 CONDENSER ........14 1.1 SAFETY PRECAUTIONS .......2 2.4.2 EVAPORATOR ........14 1.2 INSULATION RESISTANCE TEST....2 2.4.3 CAPILLARY TUBE.......14 1.3 SPECIFICATIONS ..........3~8 1.4 FEATURES .............9 3. TROUBLESHOOTING GUIDE 1.5 CONTROL LOCATIONS .........9 3.1 OUTSIDE DIMENSIONS.......17 2. DISASSEMBLY INSTRUCTIONS 3.2 PIPING SYSTEM ..........17 3.3 TROUBLESHOOTING GUIDE......18 2.1 MECHANICAL PARTS........10...

  • Page 3: Specifications

    1.3 SPECIFICATIONS MODELS US08C10 REMARK ITEMS POWER SUPPLY 1Ø, 115V, 60Hz COOLING CAPACITY (Btu/h) 8,000 INPUT RUNNING CURRENT (A) E.E.R (Btu/w.h) REFRIGERANT (R410A) CHARGE 400g(14.1OZ) OPERATING INDOOR (°F) 80(DB) 67(WB) TEMPERATURE OUTDOOR (°F) 95(DB) 75(WB) EVAPORATOR 2 ROW 12STACKS CONDENSER Ø...
  • Page 4 1.3 SPECIFICATIONS MODELS US10C10 REMARK ITEMS POWER SUPPLY 1Ø, 115V, 60Hz COOLING CAPACITY (Btu/h) 9,800 INPUT 1,040 RUNNING CURRENT (A) E.E.R (Btu/w.h) REFRIGERANT (R-410A) CHARGE 445g(15.7OZ) OPERATING INDOOR (°F) 80 (DB) 67(WB) TEMPERATURE OUTDOOR (°F) 95(DB) 75 (WB) EVAPORATOR 2 ROW 12STACKS Ø5 .0 CONDENSER 3ROW 18STACKS, L-BENDING TYPE...
  • Page 5 MODELS US10C30 REMARK ITEMS 1Ø, 230V/208V, 60Hz POWER SUPPLY 10,000/9,800 COOLING CAPACITY (Btu/h) INPUT 1060/1040 RUNNING CURRENT (A) 4.7/5.2 E.E.R (Btu/w.h) 9.4/9.4 REFRIGERANT (R410A) CHARGE 460g(16.2 OZ) 80(DB) 67(WB) OPERATING INDOOR (°F) 95(DB) 75(WB) TEMPERATURE OUTDOOR (°F) EVAPORATOR 2 ROW 12STACKS CONDENSER Ø...
  • Page 6 MODELS REMARK US12C10 ITEMS POWER SUPPLY 1Ø, 230V/208V, 60Hz COOLING CAPACITY (Btu/h) 11500/11200 INPUT 1220/1190 RUNNING CURRENT (A) 5.6/6.0 E.E.R (Btu/w.h) 9.4/9.4 REFRIGERANT (R-410A) CHARGE 525g(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 LOUVERED-FIN TYPE...
  • Page 7 MODELS US12C30 REMARK ITEMS POWER SUPPLY 1Ø, 230/208V, 60Hz COOLING CAPACITY (Btu/h) 11,500/11,200 INPUT 1,220/1,190 RUNNING CURRENT (A) 5.6/6.0 E.E.R (Btu/w.h) 9.4/9.4 REFRIGERANT (R-410A) CHARGE 510g(18.0OZ) 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 LOUVERED-FIN TYPE...
  • Page 8 MODELS US14C30 REMARK ITEMS POWER SUPPLY 1Ø, 230/208V, 60Hz COOLING CAPACITY (Btu/h) 13,000/12,600 INPUT 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 510g(18.0OZ) 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 LOUVERED-FIN TYPE...

  • Page 9: Features

    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 •...

  • 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) Figure 9 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 6. Recharge as follows : to discharge the refrigerant system using a Freon 1) Refrigeration cycle systems are charged from the recovery System. High-side. If the total charge cannot be put Install a valve for the recovery, before venting the in the High-side, the balance will be put in the Freon, remove the valve when finished.
  • 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

    3. TROUBLESHOOTING GUIDE 3.1 OUTSIDE DIMENSIONS 24" " (499mm) (610mm) 3.2 PIPING SYSTEM CONDENSER COILS CAPILLARY TUBE MOTOR COMPRESSOR TURBO FAN EVAPORATOR COILS 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...

  • 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 Ineffective Cooling Check cold air circulation...
  • Page 19 Fails to Start Check power source. Check circuit breaker and fuse. Check control switch setting. Check control board Only compressor fails to Only fan fails to start. start. Improper wiring. Drop in power voltage. Improper thermostat setting Defect of fan motor capacitor.
  • Page 20 Fan motor will not run. No power Check voltage at outlet. Correct if none. Wire disconnected or Connect wire. Refer to wiring diagram for terminal connection loose identification. Repair or replace loose terminal. Capacitor (Discharge Test capacitor. capacitor before testing.) Replace if not within ±10% of manufacturer's rating.
  • Page 21 Compressor will not run, Voltage Check voltage. See the limits on the preceding. but fan motor runs. 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.
  • Page 22 REMEDY COMPLAINT CAUSE Compressor cycles Voltage Check the voltage. See the limits on the preced- on overload. 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.

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

  • Page 25: Replacement Parts List

    LocNo Description US08C10 W0CZZ 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 67303021 147581 LOUVER,HORIZONTAL 67306205 147582-1 LOUVER,VERTICAL 67306256 147582-2 LOUVER,VERTICAL 67306257 149980...
  • Page 26 LocNo Description US10C10 W0CZZ 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 67306205 147582-1 LOUVER,VERTICAL 67306256 147582-2 LOUVER,VERTICAL 67306257 349600...
  • Page 27 LocNo Description US10C30 W0CZZ 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...
  • Page 28 LocNo Description US12C10 W0CZZ 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...
  • Page 29 LocNo· Description US12C30 W0CZZ 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...
  • Page 30 LocNo· Description US14C30 W0CZZ CAPACITOR,FILM,BOX 67300709 130410 BASE ASSEMBLY,SINGLE 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...
  • 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)

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