Friedrich ZQ08C10 Building instructions

Room Air Conditioner

Service and Parts

Manual

ZQ08 - CP12 (05/06)

ZQ08C10ZQ10C10CP08C10CP10C10CP12C10

—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 .................................4

DISASSEMBLY INSTRUCTIONS

2.1 MECHANICAL PARTS ....................................6

2.1.1 FRONT GRILLE .....................................6

2.1.2 CABINET ................................................6

2.1.3 CONTROL BOX .....................................6

2.2 AIR HANDLING PARTS ..................................7

2.2.1 AIR GUIDE AND TURBO FAN...............7

2.2.2 FAN ........................................................7

2.2.3 SHROUD ................................................8

2.3 ELECTRICAL PARTS......................................8

2.3.1 OVERLOAD PROTECTOR ....................8

2.3.2 COMPRESSOR......................................8

2.3.3 CAPACITOR...........................................9

2.3.4 POWER CORD ......................................9

2.3.5 MOTOR ................................................10

2.4 REFRIGERATION CYCLE ............................10

2.4.1 CONDENSER.......................................10

2.4.2 EVAPORATOR.....................................10

2.4.3 CAPILLARY TUBE ...............................11

3. TROUBLESHOOTING GUIDE

3.1 PIPING SYSTEM...........................................13

3.2 TROUBLESHOOTING GUIDE .....................14

1. PREFACE

This SERVICE MANUAL provides various service information, including 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 safety precautions prior to servicing the unit.

CONTENTS

1.1 SAFETY PRECAUTIONS

1. When servicing, turn the unit Off and unplug the

power cord.

2. Observe the original lead dress.

If a short circuit is found, replace all parts which have

been overheated or damaged by the short circuit.

3. After servicing, make an insulation resistance test to

prevent the customer from being exposed to shock

hazards.

1.2

INSULATION RESISTANCE TEST

1. Unplug the power cord and connect a jumper between 2 pins

(black and white).

2. The grounding conductor (green or green and yellow) is to be

open.

3. Measure the resistance value with an ohm meter between the

jumpered lead and each exposed metallic part on the equip-

ment at each working status.

7,800 10,000 7,800 12,000

8001,0207301,110

7.69.26.610.2

9.7 10.8

26.7(DB)*19.4(WB)**

35(DB )* 23.9(WB )**

300g(10.6oz)

520g(18.3oz)

525g(18.5oz)

510g(18.0oz)

2 R OW 11S TAC K S

3 R OW 11S T AC K S

2 R OW 10S T AC K S

3 R OW 12S T AC K S

2 R OW 16S TAC K S

2 R OW 17S TAC K S

2 R OW 17S T AC K S (L)

TUR BO FAN

P R OP E LLE R T YP E F AN WIT H S LING E R R ING

2/3 3/3

6 P OLE S

R OTAR Y S WIT C H

R E MOTE C ONTR OLLE R

THE R MOS TAT THE R MIS TOR

VE R TIC AL LOUVE R (R IG HT & LE FT )

HOR IZONT AL LOUVE R (UP & DOWN)

S LIDE IN-OUT C HAS S IS

OVE R LOAD P R OTE C TOR

INT E R NAL THE R MAL P R OTE C TOR

(3 WIR E W IT H G R OUDING )

ATTAC HME NT P LUG (C OR D-C ONNE C TE D T YP E )

DR AIN P IP E OR S P LAS HE D BY F AN S LING E R

62/28

x 13

x 19

510 x 354 x 490

P OWE R S UP P LY

C OOLING C AP AC IT Y (B tu/h)

INP UT (W )

R UNNING C UR R E NT (A)

E .E .R (B TU/W.h)

OP E R AT ING INDOOR (¡ C )

C ONDIT ION OUT DOOR (¡ C )

R E FR IG E R ANT (R -22) CHAR G E

E V AP OR AT OR

C ONDE NS E R

FAN, INDOOR

FAN, OUTDOOR

FAN S P E E DS , F AN/C OOLING

FAN MOTOR

OPE R ATION C ONT R OL

R OOM T E MP . C ONT R OL

AIR DIR E C T ION C ONT R OL

C ONS T R UC TION

P R O TE C T OR C OMP R E S S OR

FAN MOTOR

P OWE R C OR D

DR AIN S Y S TE M

NE T WE IG HT (lbs/kg)

OUTS IDE DIME NS ION (inch)

(WxHxD) (mm)

MODE L S

ITE MS

1.3.1FOR

* DB :Dry B ulb

WB:Wet B ulb

10,000

930

8.5

9.8

2 R OW 16S T AC K S (L)

420g(14.8oz)

—3—

1.3 SPECIFICATIONS

1ø, 115V, 60HZ

ZQ08C10,ZQ10C10,CP08C10,CP10C10,CP12C10

ZQ08C10ZQ10C10CP08C10CP10C10

CP12C10

—4—

1.4 FEATURES

• Designed for COOLING ONLY.

•Slide-out chassis for the simple

installation and service.

• Low air-intake, top cooled-air discharge.

1.5 CONTROL LOCATIONS

• THERMOSTAT (Fig A)

Thermostat will control the temperature of

the discharge air. For a cooler setting, turn clockwise,

For a warmmer setting, turn counter clockwise.

• OPERATION (Fig A)

OFF : Turns the air conditioner off.

MED FAN : Medium fan speed without cooling.

LOW FAN : Low fan speed without cooling.

HIGH COOL : Cooling with the high fan speed.

MED COOL : Cooling with the medium fan speed.

LOW COOL : Cooling with the low fan speed.

• adjustable thermostat

• Washable one-touch filter

• Compact size

HIGH

COOL

HIGH

COOL

MED

FAN

MED

FAN

LOW

FAN

LOW

FAN

LOW COOLLOW COOL

MED

COOL

MED

COOL 1199

4455

Fig A

CONTROLS -”ZQ”MODELSCONTROLS -”ZQ”MODELS

—5—

Precaution: The Remote Control unit will not function properly if strong light shines on the sensor window of the air

conditioner or if there are obstacles between the Remote Control unit and the air conditioner.

POWER BUTTON

To turn the air conditioner ON and OFF.

This button takes priority over any other buttons.

TEMPERATURE SETTING BUTTON

This button can control temperature of the room. The temperature can be adjusted within a range of 60 F to 86 F

by 1F,Select the lower number for lower temperature of the room.

OPERATION MODE SELECTION BUTTON

Push this button, it will shift operation between COOL, ENERGY SAVER, FAN and DRY modes.

Energy Saver: If Energy Save mode is selected, the fan stops when the compressor stops running

Approximately every 3 minutes the fan will turn on and check the room air to determine if cooling is needed.

FAN SPEED SELECTOR

Push this button, to shift fan speeds, as follows.

(Hi ➔ Low ➔ Med ➔ Hi ➔ Low ➔...)

ON/OFF TIMER BUTTON

ON - When the air conditioner is off, it can be set to automatically turn on.

P owe r

Temp

Fan S peed

Timer Mode

R E MOTE C ONTR OL

DIS P L AY

Fig B Fig C

453

Refer to Fig B&Fig C

OFF - When the airconditioner is on, it can be set to automatically turn off.

CONTROLS - "CP" MODELS

—6—

2.1 MECHANICAL PARTS

2.1.1 FRONT GRILLE

1. Open the lnlet grille downward and remove the air

filter.

2. Remove the screw which fastens the front

grille.(See Figure 1)

3. Pull the front grille from the right side.

4. Remove the front grille.(There are 4 hooks.)

5. Re-install the components by referring to the

removal procedure, above.

2.1.2 CABINET

1. After removing the FRONT GRILLE, remove

the 2 screws which fasten the cabinet at both

sides.

2. Remove the 2 screws which fasten the cabinet at the

back.

3. Pull the base pan forward. (See Figure 2)

4. Remove the cabinet.

5. Re-install the components by referring to the

removal procedure, above.

2.1.3 CONTROL BOX

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 power

cord.

4. Disconnect the grounding screw from the

evaporator channel.

5. Remove the 1 screw which fastensthe control box

cover.

6. Remove the housing which connects PCB(the control panel ) (CP 08/10/12)

or connector(ZQ 08/10) and motor wire in the control box.

7. Remove the nut which fastens the terminal cover.

8. Remove the terminal cover.

9. Remove all the leads from the overload protector.

10. Discharge the capacitor by placing a 20,000

ohm resistor across the capacitor terminals.

11. Raise the control box upward .

(See Figure 3)

12. Re-install the components by referring to the

removal procedure, above.

(Refer to the circuit diagram found on page 19 in

this manual and on the control box.)

TIMEMODETEMPPOWER

FAN

SPEED

TIMEMODETEMPPOWER

FAN

SPEED

COOL

INDOORDESIRED

ENERGY

SAVER

AIR

PURYFIER

AUTO

RESTART

FAN

DRYHEAT

DEFROST

TIMEMODETEMPPOWER

FAN

SPEED

COOL

INDOORDESIRED

ENERGY

SAVER

AIR

PURYFIER

AUTO

RESTART

FAN

DRYH

EAT

DEFROST

2. DISASSEMBLY INSTRUCTIONS

—Before servicing the unit,turn the unit OFF and disconnet the power cord.

Figure 1

Figure 3

Figure 2

—7—

2.2 AIR HANDLING PARTS

2.2.1 AIR GUIDE 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 control box. (Refer to section 2.1.3)

4. Remove the 4 screws which fasten the brace.

5. Remove the brace.

6. Remove the 2 screws which fasten the discharge air guide.

7. Remove the air guide upper.(See figure 4)

8. Remove the 2 screws which fasten the evaporator.

9. Move the evaporator forward pulling it upward

slightly. (See Figure 5)

10. Pull the hook out of orifice by pushing the tabs

and remove it. (See Figure 6)

11. Using pliersremove the clamp which

secures the turbo fan.

12. Remove the turbo fan.

13. Remove the 2 screws which fasten the air guide

to the base pan.

14. Move the air guide backward, and pull out from

the base pan.(Move the lower air guide carefully.)

15. Re-install the components by referring to the

removal procedure, above.

2.2.2 FAN

1. Remove the cabinet. (Refer to section 2.1.2)

2. Remove the brace (Refer to section 2.2.1)

3. Remove the 5 screws which fasten the condenser.

4. Move the condenser to the left carefully.

5. Remove the clamp which secures the fan.

6. Remove the fan. (See Figure 7)

7. Re-install by referring to the removal procedure.

Figure 4

Figure 5

Figure 6

Figure 7

—8—

2.2.3 SHROUD

1. Remove the fan. (Refer to section 2.2.2)

2. Remove the shroud. (See Figure 8)

3. Re-install the components by referring to the

removal procedure, above.

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 9)

4. Remove all the leads from the overload protector.

5. Remove the overload protector.

6. Re-install the components by referring to the

removal procedure, above.

2.3.2 COMPRESSOR

1. Remove the cabinet. (Refer to section 2.1.2)

2. Discharge the refrigerant system using a FreonTM

Recovery System.

If there is no valve to attach the recovery system to,

install one (such as a WATCO A-1) before venting

the FreonTM. Remove the valve when finished

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 10)

7. Re-install the components by referring to the

removal procedure, above.

Figure 8

Figure 9

Figure 10

—9—

2.3.3 CAPACITOR

1. Remove the control box. (Refer to section 2.1.3)

2. Open the top cover from the control box.

(See Figure 11)

3. Pull out the capacitor from the control box.

4. Disconnect all the leads of capacitor terminals.

5. Re-install the components by referring to the

removal procedure, above.

2.3.4 POWER CORD

1. Remove the control box. (Refer to section 2.1.3)

2. Open the top cover from the control box.

(Refer to section 2.3.3)

3. Disconnect the front panel from the control box.

(See Figure 12)

4. Disconnect the 2 receptacles and remove the

grounding screw.

5. Pull out the power cord.

6. Re-install the component by referring to the

removal procedure, above.

(Use only one ground-marked hole for ground

connection.)

7. If the supply cord of this appliance is damaged, it

must be replaced by the factory supplied cord.

DEFROST

HEAT

COOL

INDOORDESIRED

ENERGY

SAVER

AIR

PURYFIER

AUTO

RESTART

FAN

DRY

TIMEMODETEMPPOWER

FAN

SPEED

COOL

INDOORDESIRED

ENERGY

SAVER

AIR

PURYFIER

AUTO

RESTART

FAN

DRY HEAT

DEFROST

Figure 12

Figure 11

—10—

2.3.5 MOTOR

1. Remove the cabinet. (Refer to section 2.1.2)

2. Remove the turbo fan. (Refer to section 2.2.1)

3. Remove the fan. (Refer to section 2.2.2)

4. Remove the 4 screws which fasten the motor to

the air guide. (See Figure 13)

5. Remove the motor.

6. Re-install the components by referring to the

removal procedure, above.(See Figure 13)

2.4 REFRIGERATION CYCLE

2.4.1 CONDENSER

1. Remove the cabinet. (Refer to section 2.1.2)

2. Remove the 5 screws which fasten the

brace.(Refer to section 2.2.1)

3. Remove the 5 screws which fasten the condenser

and shroud.

4. After discharging the refrigerant completely,

unbraze the interconnecting tube at the condenser

connections.

5. Remove the condenser.

6. Re-install the components by referring to notes.

(See Figure 14)

2.4.2 EVAPORATOR

1. Remove the control box.(Refer to section 2.1.3)

2. Remove the air guide upper. (Refer to section

2.2.1)

3. Remove the 2 screws which fasten the evaporator.

4. Move the evaporator sideways carefully.

(Refer to section 2.2.1)

5. After discharging the refrigerant completely,

unbraze the interconnecting tube at the evaporator

connections.

6. Remove the evaporator.

7. Re-install the components by referring to notes.

(See Figure 15)

Figure 13

Figure 14

Figure 15

Discharge the refrigerant system using a

FreonTM Recovery System.

If there is no valve to attach the recovery

system, install one (such as a WATCO A-1)

before venting the FreonTM. Remove the valve

when finished.

CAUTION

This manual suits for next models

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