Zenith ZW5000 Service Manual Download Page 1

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Room Air Conditioner

SERVICE MANUAL

MODELS:

ZW5000

CAUTION

www.zenithappliances.com

• BEFORE SERVICING THE UNIT, READ THE SAFETY

PRECAUTIONS IN THIS MANUAL.

• ONLY FOR AUTHORIZED SERVICE PERSONNEL.

Summary of Contents for ZW5000

Page 1: ...Room Air Conditioner SERVICE MANUAL MODELS ZW5000 CAUTION www zenithappliances com BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL...

Page 2: ...Some Models 10 How to Secure the Drain Pipe 11 Operation 12 Features 12 Insulation Resistance Test 12 About the Controls on the Air conditioner 12 Disassembly 13 Mechanical Parts 13 Air Handling Part...

Page 3: ...eath or serious injury This symbol indicates the possibility of injury or damage to property only Be sure not to do Be sure to follow the instruction Gasolin WARNING Installation Always install the ex...

Page 4: ...length It will cause electric shock or fire Use the air conditioner on a single outlet circuit See page 7 Do not share the outlet with other appliances It will cause electric shock or fire Always plu...

Page 5: ...ut of the window creating a safety hazard Close all doors windows and other outside openings to the room The air conditioner must be operated in a enclosed area to be most effective Ventilate before o...

Page 6: ...peration without filters will cause failure Use a soft cloth to clean Do not use wax thinner or a strong detergent The appearance of the air conditioner may deteriorate change color or develop surface...

Page 7: ...3 11 1 8 D mm inch 326 12 13 16 Model Dimension All Model Outside Dimensions This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that could cause harm to the air con...

Page 8: ...ING CURRENT AMP 4 8 REFRIGERANT CONTROL CAPILLARY TUBE REFRIGERANT CHARGE R 22 200g 7 0 Oz INSIDE FAN TURBO OUTSIDE FAN ROPELLER FAN WITH SLINGER RING AIR DISCHARGE 2 WAY RIGHT AND LEFT CHASSIS TOP DO...

Page 9: ...P MOUNTED ON TOP OF INNER SILL is more than 1 two of wood strip are not necessary NOTICE Installation Installation Select the Best Location How to Install This air conditioner is designed with a butto...

Page 10: ...with pencil on the center of the inner sill as shown in Figure 6 2 Attach L Bracket a Install the L brackets behind the inner window sill with the short side of bracket as shown Use the 2 screws TYPE...

Page 11: ...g 2 screws TYPE B 2 screws TYPE C to secure them as shown in Figure 10 5 Install the Sash Seal and Sash Lock a Cut the sash seal TYPE F to the window width Stuff the sash seal between the glass and th...

Page 12: ...operation with cooling or not Normal Fan 1 Turn the FAN speed mode switch to the HI or the LOW setting 2 Set the thermostat control to the temperature mark Fan Only Normal cooling 1 Turn the FAN speed...

Page 13: ...e 15 4 Lift the cabinet from the unit 5 Re install by referring to the procedures above 3 CONTROL PANEL 1 Disconnect the unit from the power source 2 Remove the front grille Refer to Section 1 3 Remov...

Page 14: ...the control panel Refer to Section 3 5 Remove the air guide upper Refer to Section 4 6 Remove 2 screws that secure the condenser to the base pan 7 Remove the screw that secures the shroud to channel o...

Page 15: ...Refer to Section 6 8 Remove 2 screws that secure the shroud to the base pan See Figure 23 9 Lift air guide lower and shroud upward See Figure 23 10 Re install by referring to the procedures above 8 O...

Page 16: ...ntrol board Refer to Section 3 3 Remove all the leads of the rotary switch terminals 4 Remove the rocker switch See Figure 28 5 Re install the components by referring to the removal procedure above 13...

Page 17: ...few minutes then open slowly with the two full turns counter clockwise This will keep oil from foaming and being drawn into the vacuum pump 6 3 Operate the vacuum pump for 20 to 30 minutes until 600 m...

Page 18: ...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 PRESSURE SIDE COMPRES...

Page 19: ...LO BK RD BK BK GN YL GL GN YL GL RD OR BR OR BR BK RD BL YL CAPACITOR F C H MOTOR COMP OLP THERMOSTAR YL 2 2 3 R S C 1 1 Ribbed MODEL HBLG5004 HBLG5004T4 DESCRIPTION NAME POWER CORD ASSY FAN MOTOR CO...

Page 20: ...ycle COOLED AIR HOT DISCHARGED AIR MOTOR COMPRESSOR ROOM AIR HEAT LOAD CAPILLARY TUBE LIQUID REFRIGERANT LIQUID OUTLET VAPOR INLET COMPLETE LIQUID BOIL OFF POINT SUCTION LINE COOL LOW PRESSURE VAPOR L...

Page 21: ...erature difference of inlet outlet air 44 50 F 7 10 C Replacement of unit if the unit is beyond repair Check outdoor coil heat exchanger and fan operation Check heat load increase Check cold air circu...

Page 22: ...to start Defect of compressor capacitor Replacement of compressor Motor damaged Irregular motor insulation Irregular motor resistance Check of circuit breaker and fuse Gas leakage of feeler bulb of t...

Page 23: ...terminal Capacitor Discharge Test capacitor capacitor before testing Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Will not rotate Fan blade hitting shroud or b...

Page 24: ...Check for continuity refer to the wiring diagram for terminal identification Replace the switch if the circuit is open Thermostat Check the position of knob If not at the coldest setting advance the...

Page 25: ...es will increase causing the compressor to cycle Straighten the fins or replace the coil Capacitor Test the capacitor Wiring Check the terminals If loose repair or replace Refrigeration system Check t...

Page 26: ...02 2 266002 1 149410 352115 349480 352113 35211A 567502 554160 550140 137215 W0CZZ 264110 354210 130410 W48602 148000 130910 359011 554030 159830 147582 1 147582 2 352380 1 352380 2 135312 249950 3590...

Page 27: ...P No 3828A29003D February 2005 Printed in China...

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