Friedrich ZQ08A10C Service And Parts Manual Download Page 17 | Manualshive

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4. TROUBLESHOOTING GUIDE

4.1 OUTSIDE DIMENSIONS

525mm(20

11

/

16

")

470mm(18

1

/

2

")

353mm(13

7

/

8

")

250mm(10")

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Summary of Contents for ZQ08A10C

Page 1: ...Room Air Conditioner Service and Parts Manual ZStarTM ZQ08 01 01 ...

Page 2: ...2 PIPING SYSTEM 18 4 3 TROUBLESHOOTING GUIDE 19 5 SCHEMATIC DIAGRAM CIRCUIT DIAGRAM 24 6 EXPLODED VIEW 25 7 REPLACEMENT PARTS LIST 26 1 PREFACE This SERVICE MANUAL provides various service information the mechanical and electrical parts etc This room air conditioner was manufactured and assembled under a strict quality control system The refrigerant is charged at the factory Be sure to read the sa...

Page 3: ...ENSION inch W x H x D mm 8 000 820 7 6 9 8 26 7 DB 19 4 WB 35 DB 23 9 WB 261g 9 2 oz 2 ROW 14 STACKS S FIN LG SLIT TYPE 2 ROW 16 STACKS S FIN LG LOUVER TYPE TURBO FAN PROPELLER TYPE FAN WITH SLINGER RING 2 3 6 POLES ROTARY SWITCH THERMOSTAT VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVER UP DOWN SLIDE IN OUT CHASSIS OVERLOAD PROTECTOR INTERNAL THERMAL PROTECTOR 1 8m 7 3 WIRE WITH GROUDING ATTACHMENT ...

Page 4: ...re is not satisfactory after a reasonable time adjust the control to a cooler or warmer setting as appropriate FOR MAXIMUM COOLING 1 Turn the Mode switch to the High Cool setting 2 Set the temperature control to the highest temperature point all the way to the right FOR QUIETER OPERATION 1 Turn the Mode switch to the Low Cool setting 2 Set the Temperature control as needed Energy Saver Switch This...

Page 5: ...the front grille Refer to section 2 1 1 3 Remove the cabinet Refer to section 2 1 2 4 Remove the screw which fastens the control box cover 5 Remove the housing which connects motor wire in the control box 6 Remove the 3 leads from the compressor Refer to section 2 3 1 7 Discharge the capacitor by placing a 20 000 ohmresistor across the capacitor terminals 8 Remove the 2 screws which fasten the con...

Page 6: ...emove it See Figure 5 10 Remove the clamp with a hand plier which secures the blower 11 Remove the blower 12 Remove the 4 screws which fasten the air guide from the barrier 13 Move the air guide backward pulling out from the base pan 14 Re install the components by referring to the removal procedure above 2 2 2 FAN AND SHROUD 1 Remove the cabinet Refer to section 2 1 2 2 Remove the brace Refer to ...

Page 7: ...servicing the system 3 Remove the overload protector Refer to section 2 3 1 4 After purging the unit completely unbraze the suction and discharge tubes at the compressor connections 5 Remove the 3 nuts and the 3 washers which fasten the compressor 6 Remove the compressor See Figure 8 7 Re install the components by referring to the removal procedure above 2 3 3 CAPACITOR 1 Remove the control box Re...

Page 8: ... terminals 5 Remove the thermostat 6 Re install the components by refereing to the above removal procedure See Figure 11 2 3 6 ROTARY SWITCH 1 Remove the control box Refer to section 2 1 3 2 Open the control box Refer to section 2 3 3 3 Remove the 2 screws which fasten the rotary switch 4 Disconnect all the leads of the rotary switch terminals 5 Remove the rotary switch 6 Re install the components...

Page 9: ... carefully Refer to section 2 2 1 4 After discharging the refrigerant completely unbraze the interconnecting tube at the evaporator connections 5 Remove the evaporator carefully 6 Re install the component by referring to notes See Figure 15 2 4 3 CAPILLARY TUBE 1 Remove the cabinet Refer to section 2 1 2 2 After discharging the refrigerant completely unbraze the interconnecting tube at the capilla...

Page 10: ...nifold connection 5 The system is now ready for final charging 6 Recharge as follows 1 Refrigeration cycle systems are charged from the High side If the total charge cannot be put in the High side the balance will be put in the suction line through the access valve which you installed as the system was opened 2 Connect the charging cylinder as shown in figure 16B With valve C open discharge the ho...

Page 11: ...r proof seal Leak detector Tubing cutter Hand Tools to remove components Service valve A COMPOUND GAUGE EVAPORATOR LOW PRESSURE SIDE COMPRESSOR CAPILLARY TUBE CONDENSER HIGH PRESSURE SIDE SEE INSETS BELOW MANIFOLD GAUGE B Figure 16A Pulling Vacuum Figure 16B Charging A B EXTERNAL VACUUM PUMP A CHARGING CYLINDER LOW HI B C ...

Page 12: ...he unit Step 3 The outside of the cabinet must extend outward for at least 11 and there should be no obstacles such as a fence or wall within 20 from the back of the cabinet because it will prevent heat radiation of the condenser Restriction of outside air will greatly reduce the cooling efficiency of the air conditioner Step 4 Install the unit with a little tilt outward not to leak the condensed ...

Page 13: ...NDOW REQUIREMENTS A storm window frame will not allow the air conditioner to tilt toward the outside and will keep it from draining properly To adjust for this attach a piece of wood to the stool WOOD PIECES Width Minimum 1 1 2 38mm Length Long enough to fit inside the window frame Thickness To determine the thickness place a piece of wood on the stool to make it 1 2 higher than the top of the sto...

Page 14: ... the backing and attach the seal to the underside of the window sash Carefully insert the plastic frame guides into the bottom of the case on each side When the frame guides are set the arrows should be pointing toward the back end of the unit Insert the frames for the frame curtains into the top mounting rail and the frame guides Attach the frame curtains to the side of the case using 4 type A sc...

Page 15: ...he case is installed with a slight downward tilt about 1 2 Step 7 Secure the case to the window stool by using 3 type B screws Step 8 Pull the frame curtains to each window sash track Attach them on each side to the window sash and the window stool using 4 type C screws Step 1 Attach the window locking bracket with type C screw Step 2 Cut the foam top window gasket to the window width Step 3 Stuff...

Page 16: ...rille is designed to open from both the top and the bottom To reverse the grille opening you must follow the following steps Step 1 Pull the entire grill of the front of the unit and locate the hinges that hold the grille in place on the inside of the grille Step 2 Insert the tip of a flat screwdriver in between one of the Hinges and the ball shaped bearing of the grille Step 3 Very carefully pull...

Page 17: ... 17 4 TROUBLESHOOTING GUIDE 4 1 OUTSIDE DIMENSIONS 525mm 20 11 16 470mm 18 1 2 353mm 13 7 8 250mm 10 ...

Page 18: ...TSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH SUCTION LINE COOL LOW PRESSURE VAPOR COOLED AIR COMPLETE LIQUID BOIL OFF POINT LIQUID PRESSURE DROP ROOM AIR HEAT LOAD VAPOR INLET HOT DISCHARGED AIR LIQUID OUTLET HIGH PRESSURE VAPOR LIQUID REFRIGERANT LOW PRESSURE VAPOR ROOM AIR CONITIONER EVAPORATOR COILS CONDENSER COILS CYCLE OF REFRIGERATION Discharge the refrigerant system using a FreonTM Recove...

Page 19: ... Check gas leakage Repair gas leak Replacement of unit if the unit is beyond repair Satisfactory operation with temperature difference of inlet outlet air 44 50 F 7 10 C Check heat load increase Clean condenser Not on separate circuit Check inside gas pressure Adjusting of refrigerant charge Malfunction of compressor Replacement of compressor Check of cold air circulation for smooth flow Dirty ind...

Page 20: ... motor Replacement of fan motor Regular but fails to start Replacement of compressor Locking of rotor metal Improper thermostat setting Loose terminal connection Improper wiring Irregular motor resistance Irregular motor insulation Replacement of compressor Motor damaged Drop of power voltage Check capacitor Replacement Only compressor fails to start Defect of compressor capacitor Check of power s...

Page 21: ...er fans must have 2 9 to 1 4 inch clearance to the base If it is the base shim up the bottom of the fan motor with mounting screw s Check fan motor bearings if motor shaft will not rotate replace the motor Check voltage See limits on this page If not within limits call an electrician Test capacitor Check bearings Does the fan blade rotate freely If not replace fan motor Pay attention to any change...

Page 22: ... If not at the coldest setting advance the knob to this setting and restart the unit Check the continuity of the thermostat Replace the thermostat if the circuit is open Check the capacitor Replace if not within 10 of manufacturer s rating replace if shorted open or damaged Check the compressor for open circuit or graond If open or grounded replace the compressor Check the compressor overload if e...

Page 23: ...erminals If loose repair or replace Check the system for a restriction If restricted clean or replace Close if open Determine if the unit is properly sized for the area to be cooled Check the set screw or clamp If loose or missing correct If the blower or fan is hitting scroll or barrier rearrange the air handling parts Remove the cabinet and carefully rearrange the tubing not to contact the cabin...

Page 24: ...K BL L 7 1 8 6 4 2 H M OR BR OR BR BL RD BK THERMOSTAT CAPACITOR P T C RD BK F C H BR YL OLP LOCATION NO 1 2 3 4 5 6 7 8 9 1 1 1 1 1 1 1 1 1 POWER CORD ASS Y MOTOR ASS Y COMPRESSOR ROTARY SWITCH THERMOSTAT CAPACITOR SH CONNECTOR ASS Y CONNECTOR ASS Y OVERLOAD PROTECTOR 2H00677P 4681A20073A 5416A20014B 2H00598E 2H01109L 6120AR2359F 6631AR3843N 6631AR2687A 6750A30001N DESCRIPTION PART NO ZQ08A10C RE...

Page 25: ...6 EXPLODED VIEW 17 34 62 50 52 51 48 49 6 29 28 31 26 23 24 18 19 20 27 21 29 30 3 2 10 9 7 1 22 25 61 37 36 43 42 47 46 41 40 44 16 15 14 13 12 11 8 55 56 54 58 59 57 60 35 32 45 38 E A C D B 5 4 39 33 53 ...

Page 26: ...73 012 02 TERMINAL COVER 3550A30048A 1 R 15 673 011 00 GASKET NUT 4H01058A 1 R 16 673 010 00 NUT TERMINAL COVER 4H00947A 1 R 17 BASE PAN WELD ASSY 3041A30011D 1 R 18 673 068 00 BARRIER SINGLE 4790A10008A 1 R 19 SCROLL 3072A20004A 1 R 20 AIR GUIDE 5238A10006A 1 R 21 673 035 02 VENTILATION DAMPER 4901A30001A 1 R 22 MOTOR MOUNT 4960A20014A 1 R 23 MOTOR ASSY 4681A20073A 1 R 24 673 069 01 SCREW 4000W4A...

Page 27: ...SY 6631AR2687A 1 R 46 673 009 01 CONDUCT ASSY 6631AR3843N 1 R 47 COVER CONTROL BOX 3550A30036B 1 R D PIPE R 48 SUCTION TUBE ASSY 5211A20130M 1 R 49 DISCHARGE TUBE 5211A20708A 1 R 50 TUBE FORMED ASSY EVAP IN 5211A20131H 1 R 51 TUBE ASSY CONDOUT 5211AR3399T 1 R 52 673 021 03 CAPILLARY 5210A30646A 1 R 53 DRIER ASSY 5851A30001G 1 R E INSTALL PART ASSY 3127AR3403M 1 R 54 UPPER GUIDE 5210AR3196F 1 R 55 ...

Page 28: ... 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 ...

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