Friedrich US12B10A - Manuals

—6— 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. 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. Af...

Figure 7 —7— 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. 4) 4. Move the evaporator to the side ...

—8— 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 h...

—9— 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. Pull the power cord. (See Fig. 13)7. Re-install...

—10— 2.4 REFRIGERATION CYCLE 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 TM Recovery System, unbraze the interconnecting tub...

—11— — Replacement of the refrigeration cycle. 1. When replacing refrigeration components, be sure to discharge the refrigerant system using a Freon TM recovery System.Install a valve for the recovery, before venting theFreon, remove the valve when finished. 2. After discharging the unit completely,...

—12— Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment, Pinch-off toolcapable of making a vapor-proof seal, Leak detector, Tubing cutter, Hand Tools to remove components, Servicevalve. A COMPOUND GAUGE EVAPORATOR(LOW PRESSURE SIDE) COMPRESSOR CAPILLARY TUBE CONDENSE...

—13— 3. TROUBLESHOOTING GUIDE 3.1 OUTSIDE DIMENSIONS 20- 3 / 32 " (499mm) 24" (610mm) 14- 13 / 32 " (366mm) CONDENSER COILS EVAPORATOR COILS FAN MOTOR : REFRIGERANT FLOW TURBO FAN CAPILLARY TUBE COMPRESSOR 3.2 PIPING SYSTEM Following is a brief description of the important components and...

—14— 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 Conditioningcaused by a defect in the refrigeration circuit and/or improper application. Unit is running ...

—15— Fails to Start Check circuit breakerand fuse. Check control board Only fan fails to start. Improper wiring. Defect of fan motorcapacitor. Irregular motor resistance( ).Irregular motor insulation( ). Replacement of fan motor Regular but fails to start Replacement of compressor(locking of rotor, ...

—17— NAME PLATE RATING MINIMUM MAXIMUM 115V 103.5V 126.5V 208/230V 187V 253V COMPLAINT CAUSE REMEDY Check voltage. See the limits on the preceding.page. If not within limits, call an electrician. Check the wire connections, if loose, repair orreplace the terminal. If wires are off, refer to wiringdi...

—18— COMPLAINT CAUSE REMEDY Check the voltage. See the limits on the preced-ing page. If not within limits, call an electrician. Check overload, if externally mounted.Replace if open. (If the compressor temperatureis high, remove the overload, cool, and retest.) If not running, determine the cause. ...

— 21 — 6. REPLACEMENT PARTS LIST • MODEL: US08B10A LocNo FRD P/NO Description REMARK W0CZZ 67300726 CAPACITOR,DRAWING R 130410 67302925 BASE ASSEMBLY,SINGLE R 130900 67303712 CABINET R 731273 67306311 INSTALL PART ASSEMBLY. SINGLE R 749180 67308102 FRAME R 135303 67306106 GRILLE,INLET R 135312 67306...

UNi-fit. Cool (03/07) Printed in the U.S.A Post Office Box 1540 • 4200 N. Pan Am Expressway • San Antonio, Texas 78295-1540 • (210) 357-4400 • FAX (210) 357-4480 FRIEDRICH AIR CONDITIONING CO. Visit our web site at www.friedrich.com P/NO.:3828A20294U