Page 2 - CONTENTS; DISASSEMBLY INSTRUCTIONS
—2— CONTENTS 1. PREFACE ...................................................................................................................................................3 1.1 FEATURES......................................................................................................................
Page 4 - Thermostat; Operation
—4— 1.3 LOCATIONS OF CONTROLS 1.4 SAFETY PRECAUTIONS 1. When servicing, set the ROTARY SWITCH to Off and unplug the power cord. 2. Observe the original lead dress. If a short circuit is found, replace all parts whichhave been overheated or damaged by the short cir-cuit. 3. After servicing, make an i...
Page 5 - MECHANICAL PARTS; Figure 1
—5— 2. DISASSEMBLY INSTRUCTIONS 2.1 MECHANICAL PARTS 2.1.1 FRONT GRILLE 1. Disconnect the unit from source of power.2. Remove the two knobs by pulling them off. Using a screwdriver, remove the screw thatsecures the front grille to control board. (See Figure 1) 3. Push the front grille up from the bo...
Page 6 - AIR HANDLING PARTS; Figure 6
—6— 2.2 AIR HANDLING PARTS 2.2.1 AIR GUIDE UPPER 1. Disconnect the unit from the power source.2. Remove the front grille. (Refer to Section 2.1.1)3. Remove the cabinet. (Refer to Section 2.1.2)4. Remove the control panel. (Refer to Section 2.1.3) 5. Remove 2 screws that secure the air guide upper to...
Page 9 - REFRIGERANT CYCLE
—9— 2.3.6 POWER CORD 1. Disconnect the unit from source of power.2. Remove the front grille. (Refer to Section 2.1.1)3. Remove the cabinet. (Refer to Section 2.1.2)4. Remove a screw that secures control panel to base pan. (Refer to Section 2.1.3) 5. Pulls the control panel toward you.6. Disconnect t...
Page 10 - NOTES
2.4.2 EVAPORATOR/CONDENSER 1. Remove the cabinet.2. Discharge the refrigerant by using a refrigerant recovery system. 3. Remove the air guide upper. (Refer to Section 2.2.1) 4. After discharging the refrigerant completely, unbraze the interconnecting tube at the properconnections. 5. Remove the prop...
Page 11 - Figure 21A-Pulling Vacuum Figure 21B-Charging
—11— Equipment needed: Vacuum pump, charging cylinder, manifold gauge, brazing equipment, pinch-off tool capableof making a vapor proof seal, leak detector, tubing cutter, hand tools to remove components and service valve. B A B A B A COMPOUND GAUGE SEE INSETS BELOW CAPILLARY TUBE EVAPORATOR(LOW PRE...
Page 12 - TROUBLESHOOTING GUIDE
—12— 3. TROUBLESHOOTING GUIDE 3.1 OUTSIDE DIMENSIONS (unit: mm [in]) 370 (14 9 / 16 ") 312 (12 1/4 ") 370 (14 9 / 16 ") 312 (12 1/4 ") 29 (1 5 / 32 ") 120 (4 3 / 4 ") 27.5 (1 3 / 32 ") 346 (13 5 / 8 ") 472 (18 9/16 ") 42 (1 21 / 32 ") 42 (1 21 / 32 ") 155(...
Page 14 - TROUBLESHOOTING GUIDE; Unit is running but cooling is ineffective.; Ineffective Cooling
—14— 3.3 TROUBLESHOOTING GUIDE In general, possible trouble is classified in two categories. The one is called Starting Failure which is caused by an electrical defect. The other is Ineffective Air Con-ditioning caused by a defect in the refrigeration circuit and/or improper application. Unit is run...
Page 15 - Fails to Start
—15— Fails to Start Improper thermostat setting Loose terminal connection Improper wiring Check power source. Drop of power voltage. Capacitor check. Replacement. Check control switch setting. Compressor fails to start. Defect of compressor capacitor. Replacement of compressor (Motor damaged). Irreg...
Page 19 - LOCATION
—19— 4. CIRCUIT DIAGRAM 1 2 6 7 5 3854AR2330A COMP. MOTOR ROCKER SWITCH YL BR THERMOSTAT OLP BR R BL RD BK OR(BR) CAPACITOR F H C YL ROTARY SWITCH 2 H L M BK BR RD BL BK POWER INPUT BK(BR) (Plain) WH(BL) (Ribbed) GN(GN/YL) RD BL YL OR(BR) 4 6 8 1 3 5 7 BL RD BK BR WIRING DIAGRAM SYNC. M. S C 3 4 POW...
Page 21 - SERVICE PARTS LIST; Loc No
—21— 6. SERVICE PARTS LIST • ZQ05B10 . ZQ07B10 Loc No FRIEDRICH Description 130410 67302921 BASE ASSEMBLY,WELD[SINGLE] 130910 67303709 CABINET ASSEMBLY,SINGLE 135312 67306003 GRILLE ASSEMBLY,FRONT(SINGLE) 135313 67306103 GRILLE,INLET 135500 67300309 COVER 147581 67304600 LINK 147582-1 67304500 VANE,...
Page 23 - MEMO
Page 24 - FRIEDRICH AIR CONDITIONING CO.
Post Office Box 1540 • 4200 N. Pan Am Expressway • San Antonio, Texas 78295-1540 • (210) 357-4400 • FAX (210) 357-4490 FRIEDRICH AIR CONDITIONING CO. Visit our web site at www.friedrich.com Use Factory Certified Parts...