Page 2 - SERVICE MANUAL; SAFETY PRECAUTIONS; CONTENTS
—2— 1. PREFACE 1.1 SAFETY PRECAUTIONS ................................2 1.2 INSULATION RESISTANCE TEST .................2 1.3 SPECIFICATIONS ...........................................3 1.4 FEATURES......................................................4 1.5 CONTROL LOCATIONS ...........................
Page 4 - CONTROL LOCATIONS
1.4 FEATURES • Designed for cooling only.• Powerful and whisper cooling.• Slide-in and slide-out chassis for the simple installation and service. • Side air-intake, side cooled-air discharge. 1.5 CONTROL LOCATIONS 1.5.1 CONTROL ONLY MODEL • VENTILATION The ventilation lever must be in the CLOSE posi...
Page 5 - DISASSEMBLY INSTRUCTIONS; Shipping screws; Figure 1
—5— 2.1 MECHANICAL PARTS 2.1.1 FRONT GRILLE 1. Open the INLET GRILLE downward and remove the air filter. 2. Remove the screw which fastens the FRONT GRILLE.3. Pull the FRONT GRILLE from the right side.4. Remove the FRONT GRILLE.5. Re-install the component by referring to the above removal procedure....
Page 6 - AIR HANDLING PARTS; Figure 4
—6— 2.2 AIR HANDLING PARTS 2.2.1 AIR GUIDE AND BLOWER 1. Remove the front grille. (Refer to section 2.1.1) 2. Remove the cabinet. (Refer to section 2.1.2) 3. Remove the control box. (Refer to section 2.1.3) 4. Remove the 3 screws which fasten the brace. 5. Remove the brace. 6. Remove the 2 screws wh...
Page 7 - Figure 7
2.3 ELECTRICAL PARTS 2.3.1 OVERLOAD PROTECTOR 1. Remove the cabinet. (Refer to section 2.1.2) 2. Remove the nut which fastens the terminal cover. 3. Remove the terminal cover. (See Figure 7) 4. Remove all the leads from the overload protector. 5. Remove the overload protector. 6. Re-install the comp...
Page 9 - REFRIGERATING CYCLE; CAUTION
2.4 REFRIGERATING CYCLE 2.4.1 CONDENSER 1. Remove the cabinet. (Refer to section 2.1.2)2. Remove the 3 screws which fasten the brace.(Refer to section 2.2.1) 3. Remove the 3 screws which fasten the condenser and shroud. 4. After discharging the refrigerant completely, unbraze the interconnecting tub...
Page 10 - NOTES
—10— — Replacement of the refrigeration cycle. 1. When replacing the refrigeration cycle, be sure to Discharge the refrigerant system using a Freon TM recovery System.If there is no valve to attach the recovery system,install one (such as a WATCO A-1) before ventingthe Freon TM . Leave the valve in ...
Page 11 - Figure 16A-Pulling Vacuum
—11— Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin-off tool capableof making a vapor-proof seal, Leak detector, Tubing cutter, Hand Tools to remove components, Service valve. A COMPOUND GAUGE EVAPORATOR(LOW PRESSURE SIDE) COMPRESSOR CAPILLARY TUBE CONDENSER...
Page 13 - WINDOW REQUIREMENTS; STORM WINDOW REQUIREMENTS; WOOD PIECES–
—13— 3.3 WINDOW REQUIREMENTS Step 1. These instructions are for a standard double hung window. You will need to modify them for othertypes of windows. Step 2. The air conditioner can be installed without the frame curtain if needed to fit in a narrow window.See the window opening dimensions to the r...
Page 14 - PREPARING THE UNIT FOR INSTALLATION
✓ Remove the 2 shipping screws from the back of thecase. ✓ Remove the 2 screws on each side of the case.Keep these for later use. ✓ Slide the air conditioner from the case by grippingthe base pan handle and pulling forward whilebracing the case. 3.6 BEFORE INSTALLATION... ✓ Cut the window sash seal ...
Page 15 - INSTALL THE CASE IN THE WINDOW
Step 1. Open the window and mark the centerline of the window stool (or desired air conditionerlocation). Step 2. Carefully place the case on the window stool and align the center mark on the bottom frontwith the centerline of the stool Step 3. Pull the window down behind the top mounting rail NOTE:...
Page 16 - INSTALL THE AIR CONDITIONER IN THE CASE
Step 1. Slide the air conditioner into the case. Reinstall the 2 screws removed earlier on each side of the case. Step 2. B e f o r e i n s t a l l i n g t h e f r o n t g r i l l e , p u l l o u t the vent control lever located above the unit controlknobs, as shown. Step 3. Attach the front grille ...
Page 17 - TROUBLESHOOTING GUIDE; OUTSIDE DIMENSIONS
—17— 4. TROUBLESHOOTING GUIDE 4.1 OUTSIDE DIMENSIONS 525mm(20 11 / 16 ") 470mm(18 1 / 2 ") 353mm(13 7 / 8 ") 250mm(10")
Page 18 - ROOM AIR CONITIONER; EVAPORATOR COILS
—18— CAPILLARY TUBE COMPRESSOR BLOWER EVAPORATOR COIL : REFRIGERANT FLOW CONDENSER COIL FAN MOTOR 4.2 PIPING SYSTEM The following is a brief description of the important components and their function in what is called the refrigerationsystem. Reference should made to figure 17 to follow the refriger...
Page 19 - Ineffective Cooling
—19— 4.3 TROUBLESHOOTING GUIDE In general, possible trouble is classified in two kinds.The one is called Starting Failure which is caused from an electrical defect. The other is Ineffective AirConditioning caused by a defect in the refrigeration circuit and improper application. Unit runs but poor c...
Page 20 - Fails to Start
—20— Fails to Start Check of circuit breakerand fuse. Gas leakage of feeler bulbof thermostat Check of control switch. Only fan fails to start. Improper wiring Defect of fan motorcapacitor Resistance irregular motor ( ).Insulation irregular motor ( ). Replacement of fan motor Regular but fails to st...
Page 21 - ROOM AIR CONDITIONER VOLTAGE LIMITS
—21— —21— COMPLAINT CAUSE REMEDY Check voltage at outlet. Correct if none. Check voltage to rotary switch. If none, checkpower supply cord. Replace cord if circuit is open. Check switch continuity. Refer to wiring diagramfor terminal identification. Replace switch if nonedefective. Connect wire. Ref...
Page 24 - • CIRCUIT DIAGRAM; LOCATION; DESCRIPTION
—24— 5. SCHEMATIC DIAGRAM • CIRCUIT DIAGRAM • MODEL : ZQ08A10C 1 3 4 8 5 9 2 6 7 COMP. MOTOR WH(BL) POWER INPUT (Plain) GN(GN/YL) GN(GN/YL) BK(BR) (Ribbed) WIRING DIAGRAM 3854AR3563A BL BL RD BK R C S YL YL RD BK BL RD ROTARY SWITCH BK BL L 7 1 8 6 4 2 H M OR(BR) OR(BR) BL RD BK THERMOSTAT CAPACITOR...
Page 26 - REPLACEMENT PARTS LIST; PER SET
—26— 7. REPLACEMENT PARTS LIST • MODEL: ZQ08A10C A FRONT GRILLE ASSY 3531A20034C 1 R 1 673-044-02 FRONT GRILLE 3530A10026A 1 R 2 673-061-01 INLET GRILLE 3530A10028A 1 R 3 AIR FILTER ASSY 5231A20004A 1 R 4 LOUVER, HORIZONTAL 4758A20002A 1 R 5 673-062-50 VERTICAL LOUVER 4758A30008A 2 R 6 CABINET ASSY ...
Page 28 - FRIEDRICH AIR CONDITIONING CO.
ZQ08 (01/01) 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.: 3828A20038U Use Factory Certified Parts...
