Friedrich CP10 Guide

CP10 & CP12

93011402_04

THE EXPERTS IN ROOM AIR CONDITIONING

Chill

115 Volts

Room Air Conditioner

Service & Parts Manual

2014-2015

—2—

1. PREFACE

1.1 SAFETY PRECAUTIONS ...............................2

1.2 INSULATION RESISTANCE TEST.................2

1.3 PRODUCT SPECIFICATIONS .......................3

1.4 OPERATING INSTRUCTIONS.......................4

DISASSEMBLY INSTRUCTIONS

2.1 MECHANICAL PARTS....................................5

2.1.1 FRONT GRILLE.....................................5

2.1.2 CABINET................................................5

2.1.3 CONTROL BOX.....................................5

2.2 AIR HANDLING PARTS..................................6

2.2.2 FAN AND SHRO UD..........................6

2.2.3 MOTOR ................................................7

2.3 ELECTRICAL PARTS .....................................7

2.3.1 OVER LOAD PROTECTOR...................7

2.3.2 COMPRESSOR .....................................7

2.3.3 CAPACITOR ..........................................8

2.3.4 POWER CORD......................................8

2.4 REFRIGERATION CYCLE.................................9

2.4.1 CONDENSER ......................................9

2.4.2 EVAPORATOR ....................................9

2.4.3 CAPILLARY TUBE...............................9

TROUBLESHOOTING GUIDE

4.1 PIPING SYSTEM ..........................................13

4.2 TROUBLESHOOTING GUIDE......................14

3. SCHEMATIC DIAGRAM

3.1 CIRCUIT DIAGRAM......................................12

5. EXPLODED VIEW..................................19

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.

1.1 SAFETY PRECAUTIONS

1. When servicing the unit, turn off the air conditioner

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 the unit, make an insulation

resistance test to protect 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 & 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 equipment.

4. The value should be over 1M .

CONTENTS

2.2.1 COVER (AT THE TOP)..........................6

2.2.2 AIR GUIDE AND BLOWER....................6

6. SERVICEPARTS LIST ......................21

1.3 PRODUCT SPECIFICATIONS

—3—

Buyer Model

CP10G10A CP12G10A

PERFORMANCE

BTU performance (Cooling) 10,000 12000

BTU performance (Heating)

EER 11.3 11.3

COP

Dehumid. ( Pts/Hr) 3 3.3

Dry Air Flow (CFM) 300 330

dBA Level (Indoor / Outdoor) 53/58 53/58

Est. Cooling Area (SQ.FT) 450 550

Electrical Ratings

Voltage / 60 Hz 115 115

Watts (Cooling) 880 1060

Watts (Heating)

Rated Amps (Cooling) 8.5 9.7

Rated Amps (Heating)

Features

Thermostat Control Thermistor Thermistor

Air Diflection 4-Way 4-Way

Remote controller Yes Yes

Auto swing Yes Yes

Auto Restart Yes Yes

Energy saver fuction Yes Yes

Timer 24Hr,On/Off 24Hr,On/Off

Sleep - -

Filter Alarm Function Yes Yes

Fan Speed: Cooling(Heating) 3 3

Fan Only 3 3

Compressor ROTARY ROTARY

In Door Fan Type TURBO TURBO

Type Air Discharge Side Side

Outdoor Vent / Exhaust Yes Yes

Rear grille Yes Yes

Chassis Type Slide In-Out Slide In-Out

Others

Carton Height(inch) 18 1/8 18 1/8

Width 27 1/16 27 1/16

Depth 23 5/8 23 5/8

Demension Height(inch) 14 31/32 14 31/32

Width 23 5/8 23 5/8

Depth 22 1/16 22 1/16

Net Weight(lbs.) 77 84

Shippling Weight(lbs.) 88 95

Stuffing Quantity (20/4040Hi ft) 135/297/297 135/297/297

Check Filter: Your ‘Check Filter’ LED will

light up after approximately 250 hours of

operation, notifying you that your filter needs

to be cleaned.

*Timer Clear: On remote control, ‘Timer Clear’ button

will cancel the timer setting

678

Filter Reset: press ‘Temp ∨∧’ together to

turn off ‘Check Filter’ light.

*Filter Reset must be done from unit control

panel, not remote control

Push the ‘Mode’ button to rotate between

MoneySaver → Cool → Fan → Dry modes.

(select Dry mode for dry/dehumidifier

operation)

MoneySaver: The fan will stop when the compressor

stops cooling. The fan will turn on approximately

every 3 minutes to sample to room air and determine

if more cooling is needed.

Cool: fan runs continually for normal cooling operation

Fan Only: Fan-only operation

*MoneySaver has it’s own button on your remote

control

4. CHECK FILTER & FILTER RESET

6. OPERATION MODE SELECTOR

1.4 OPERATING INSTRUCTIONS

—4—

— Before the following disassembly, POWER SWITCH is set to OFF and disconnected the power cord.

2. DISASSEMBLY INSTRUCTIONS

—5—

1. Open the lnlet grille upward or downward.

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

removal procedure, above.(See Figure 17)

1. After disassembling the FRONT GRILLE, remove

the 2 screws which fasten the cabinet at both

sides.

2. Remove the 2 screws which fasten the cabinet at

back.

3. Pull the base pan forward. (See Figure 18)

4. Remove the cabinet.

5. Re-install the component by referring to the

removal procedure, above.

1. Disconnect the unit from the power source.

2. Remove the front grille.

3. Remove the cabinet.

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.

7.Discharge the capacitor by placing a 20,000

ohmresistor across the capacitor terminals.

8. Remove the 2 screws which fasten the control

box.(See Figure 19)

9. Pull the control box forward completely.

10. Re-install the components by referring to the

removal procedure, above. (See Figure 19)

Figure 17

Figure 19

Figure 18

2.1 MECHANICAL STRUCTURE

2.1.1 FRONT GRILLE

2.1.2 CABINET

2.1.3 CONTROL BOX

Air handling parts

2.2 AIR HANDLING PARTS

—6—

2.2.1. AIR GUIDE AND BLOWER

1. Remove the front grille.

2. Remove the cabinet.

3. Remove the control box.

4. Remove the 3 screws which fasten the brace.

5. Remove the brace.

6. Remove the 2 screws which fasten the evaporator.

7. Move the evaporator forward and pulling it upward

slightly. (See Figure 20)

8. Move the evaporator to the left carefully.

9. Pull out the hook of orifice by pushing the tabs and

remove it. (See Figure 21)

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.

2. Remove the brace.

3. Remove the 3 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 and then pull out the shroud.

(See Figure 22)

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

Figure 20

Figure 21

Figure

2.3 ELECTRICAL PARTS

—7—

1. Remove the cabinet.

2. Remove the evaporator.

3. Remove the orifice.

4. Remove the blower.

5. Remove the fan.

6. Remove the control box cover and housing of the

motor in the control box.

7. Remove the 2 screws which fasten the motor from

the mount motor. (See Figure 23)

8. Remove the motor.

9. Re-install the components by referring to the

removal procedure, above.(See Figure 23) Figure 23

2.2.3. MOTOR

2.3.1. OVERLOAD PROTECTOR

1. Remove the cabinet.

2. Remove the nut which fastens the terminal cover.

3. Remove the terminal cover. (See Figure 24)

4. Remove all the leads from the overload protector.

5. Remove the overload protector.

6. Re-install the component by referring to the

removal procedure, above.

Figure 24

2.3.2. COMPRESSOR

1. Remove the cabinet.

2. 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. Leave the valve in place after

servicing the system.

3. Remove the overload protector.

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 25)

7. Re-install the components by referring to the

removal procedure, above.

Figure 25

—8—

2.3.3. CAPACITOR

1. Remove the control box.

2. Remove the screw which fasten control panel from

control box.

3. Remove the screw which located in the front.

4. Open the bottom side of control box.

5. Remove the screw and the clamp which fastens

the capacitor.

6. Disconnect all the leads of capacitor terminals.

7. Re-install the components by referring to the

removal procedure, above. (See Figure 27) Figure 27

2.3.4. POWER CORD

Figure 30

1. Remove the control box.

2. Open the control box.

3. Disconnect the grounding screw from the control

box.

4. Disconnect the 2 receptacles.

5. Remove a screw which fastens the clip cord.

(See Figure 30)

6. Remove the power cord.

7. Re-install the component by referring to the above

removal procedure, above.

(Use only one ground-marked hole for ground

connection.)

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

must be replaced by the special cord. (The

special cord means the cord which has the same

specification marked on the supply cord attached at

the unit.)

—9—

CAUTION: Discharge the refrigerant system using Freon TM Recovery System.If

there is no valve to attach the recovery system, install one (such as a WATCO A-1)

before venting the Freon TM. Leave the valve in place after servicing the system.

2.4 REFRIGERATION CYCLE

2.4.1

CONDENSER

Figure 31

1. Remove the cabinet.

2. Remove the 3 screws which fasten the

brace.

3. Remove the 3 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 carefully.

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

(See Figure 31)

2.4.3 CAPILLARY TUBE

Figure 32

1. Remove the cabinet.

2. Remove the 2 screws which fasten the evaporator.

3. Move the evaporator sideways carefully.

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 32)

1. Remove the cabinet.

2. After discharging the refrigerant completely,

unbraze the interconnecting tube at the capillary

tube.

3. Remove the capillary tube.

4. Re-install the component by referring to notes.

2.4.2 EVAPORATOR

—10—

NOTICE

-Replacement of the refrigeration circuit.

1. When replacing the refrigeration circuit, be sure to

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. Leave the valve in place after

servicing the system.

2. After discharging the unit completely, remove the

desired component, and unbraze the pinch-off

tubes.

3. Solder service valves into the pinch-off tube ports,

leaving the valves open.

4. Solder the pinch-off tubes with Service valves.

5. Evacuate as follows.

1) Connect the vacuum pump, as illustrated figure

33A.

2) Start the vacuum pump, slowly open manifold

valves A and B with two full turns counterclock-

wise and leave the valves open.

The vacuum pump is now pulling through valves

A and B up to valve C by means of the manifold

and entire system.

CAUTION: If high vacuum equip-

ment is used, just crack valves A

and B for a 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.

3) Operate the vacuum pump vaccum for 20 to 30

minutes, until 600 microns of vaccum is

obtained. Close valves A and B, and observe

vacuum gauge for a few minutes. A rise in pres-

sure would indicate a possible leak or moisture

remaining in the system. With valves A and B

closed, stop the vacuum pump.

4) Remove the hose from the vacuum pump and

place it on the charging cylinder. See figure

37B. Open valve C.

Discharge the line at the manifold 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

33B.

With valve C open, discharge the hose at the

manifold connection.

3) Open valve A and allow the proper charge to

enter the system. Valve B is still closed.

4) If more charge is required, the high-side will not

take it. Close valve A.

5) With the unit running, open valve B and add the

balance of the charge.

Do not add the liquid refrigerant to the Low-side.

b. Watch the Low-side gauge; allow pressure to

rise to 30 lbs.

c. Turn off valve B and allow pressure to drop.

d. Repeat steps b. and c. until the balance of the

charge is in the system.

6) When satisfied the unit is operating correctly,

use the pinch-off tool with the unit still running

and clamp on to the pinch-off tube. Using a tube

cutter, cut the pinch-off tube about 2 inches from

the pinch-off tool. Use sil-fos braze and braze

pinch-off tube closed. Turn off the unit, allow it to

set for a while, and then test the leakage of the

pinch-off connection.

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