Friedrich Air Conditioner Cp06E10 Users Manual CP06F10 Service And Parts | Sylvane
CP08E10 to the manual 846afde1-a07f-4607-a732-84ff724a0651
2015-02-02
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2Room Air Conditioner
Air Conditioner Service Manual
TABLE OF CONTENTS
Safety Precautions..........................................................................................................................................3
Dimensions .....................................................................................................................................................6
Outside Dimensions ...................................................................................................................................6
Product Specifications ..................................................................................................................................7
Operation ...................................................................................................................................................... 8
How to Operate Your Friedrich CP........................................................................................................... 9
Disassembly ..................................................................................................................................................10
Mechanical Parts..................................................................................................................................... 10
AirH andling Parts ...................................................................................................................................11
Electrical Parts .........................................................................................................................................12
Refrigerating Cycle...................................................................................................................................13
Schematic Diagram.......................................................................................................................................16
Wiring Diagram.........................................................................................................................................16
Electronic Control Device.........................................................................................................................17
Components Location(For Main P.W.B ASM)...........................................................................................18
Troubleshooting Guide.................................................................................................................................19
Piping System ........................................................................................................................................19
Troubleshooting Guide .............................................................................................................................20
Exploded View ..............................................................................................................................................28
Replacement Parts List ................................................................................................................................29
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Service Manual 3
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions
must be followed.
Incorrect operation due to ignoring instructions will cause harm or damage. The seriousness
is classified by the following indications.
Meanings of symbols used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to property only.
WARNING
Always install the expansion panel(s).
• Improper assembly or installation may cause
incorrect operation, including injury, fire, and
Do not place the power cord near a heater.
• It may cause fire and electric shock.
Do not use the power cord near flammable
gas or combustibles such as gasoline,
benzene, thinner, etc.
• It may cause explosion or fire.
Do not disassemble or modify products.
• It may cause failure and electric shock.
Be sure not to do.
Be sure to follow the instruction.
electric shock hazards.
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4Room Air Conditioner
Safety Precautions
Plug in the power plug
properly.
• Otherwise, it will cause
electric shock or fire.
Do not operate or stop the
unit by inserting or pulling
out the power plug.
• It will cause electric shock or
fire.
Do not damage or use an
unspecified power cord.
• It will cause electric shock or
fire.
Do not use the socket if it is
loose or damaged.
•• It may cause fire and electric
shock.
Do not operate with wet
hands or in damp
environment.
• It will cause electric shock.
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.
Do not modify power corDo not modify poDo not modify po dwer cor
length.
Do not modify po
• •• It will cause electr ic shoc•k or
fire.
Always plug into a
grounded outlet.
• No •• grounding •may cause
electric shock.
Ventilate before operating air
conditionerwhen gas goes
out.
It may cause explosion, fire,
and burn.
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Service Manual 5
Safety Precautions
CAUTION
•
•
•
•
•
If water enters the product, turn off the the
power switch of the main body of appliance.
Contact service center after taking the power-
plug out from the socket.
• It will cause electric shock or failure of
machine.
Do not clean the air conditioner with water.
• Water may enter the unit and degrade the
insulation. It may cause an electric shock.
Never touch the metal parts of the unit
when removing the filter.
Do not block the inlet or outlet.
They are sharp and may cause injury. It may cause failure of appliance or
performance deteriorate.
Ensure that the outer caseis not damaged
by age orwear.
Leaving it damaged couldresult in the air
conditioner falling out of the window, creating
a safety hazard.
Be cautious not to touch the sharp edges
when installing.
It may cause injury.
Sharp
edges
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6Room Air Conditioner
Dimensions
Dimensions
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 conditioner.
This symbol indicates special notes.
NOTICE
Symbols Used in this Manual
353(13 7/8")
470(18 1/2")525(20 11/16")
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1Ø, 115, 60Hz
INDOOR ( C) 26.7(DB)* 19.4(WB)**
OUTDOOR ( C) 35(DB)* 23.9(WB)**
490g(17.3 oz)
Ø7.0, 2ROW 14STACKS
Ø5.0, 2ROW 16STACKS
TURBO FAN
PROPELLER TYPE FAN WITH SLINGER RING
3/3
6 POLES
REMOTE CONTROLLER
THERMISTOR
HORIZONTAL LOUVER (UP & DOWN), AUTOSWING LOUVER (RIGHT&LEFT)
SLIDE IN-OUT CHASSIS
COMPRESSOR OVERLOAD PROTECTOR
FAN MOTOR INTERNAL THERMAL PROTECTOR
3 WIRE WITH GROUNDING
ATTACHMENT PLUG (CORD-CONNECTED TYPE)
DRAIN PIPE OR SPLASHED BY FAN SLINGER
OUTSIDE DIMENSION (inch) 18 1/2 x 13 7/8 x 20 11/16
(W x H x D) (mm) 469 x 353 x 526
OPERATING
POWER SUPPLY
MODLES
ITEMS
COOLING CAPACITY (Btu/h)
INPUT (W)
RUNNING CURRENT (A)
E.E.R (BTU/W.h)
REFRIGERANT (R-22) CHARGE
EVAPORATOR
CONDENSER
FAN, INDOOR
FAN, OUTDOOR
FAN SPEEDS, FAN/COOLING
FAN MOTOR
PROTECTOR
POWER CORD
DRAIN SYSTEM
OPERATION CONTROL
ROOM TEMP. CONTROL
AIR DIRECTION CONTROL
CONSTRUCTION
285g(10.1 oz)
CP06E10
CP08E10
7,800
720
6.8
10.8
6,000
560
5.1
10.7
Specfications
Product SpecificationsProduct SpecificationsProduct SpecificationsProduct Specifications
Service Manual 7
* DB:Dry Bulb
**
WB:Wet Bulb
Ser 7Ser 77
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Operation
Location and Function of Controls
• DESIGNED FOR COOLING ONLY
• POWERFUL AND INCREDIBLE COOLING
• TOP-DOWN CHASSIS FOR THE SIMPLE INSTALLATION AND SERVICE
• BUILT-IN ADJUSTABLE THERMOSTAT
• WASHABLE ONE-TOUCH FILTER
• COMPACT SIZE
Service Manual 8
Operation
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Air
P urifie r Power
Temp
Mode
Timer
A
S wing
Fan S peed
1
2
4
3
5
Auto
Swing
6
0F
Power
Mode
Timer
0n/0ff
Fan
Speed
Temp
CoolMoney
Saver
®
Fan
Only
Dry
hr
Auto
Swing
1
32
46
5
7
6. AUTO SWING
This button can automatically control the air flow
direction(left+right).
7
To receive the signal from remote controller.
dry operation.
(dehumidify operation)
9 Room Air Conditioner
OperationOperation
OperationOperation
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Disassembly
Disassembly
Mechanical Parts
— Before the following disassembly, POWER SWITCH set to OFF and disconnect the power cord.
1. FRONT GRILLE
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)
2. CABINET
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.
3. CONTROL BOX
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
Service Manual 10
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11 Room Air Conditioner
Disassembly
Air Handling Parts
—7—
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. 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
22
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Service Manual 12
Electrical Parts
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
3. MOTOR
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
Disassembly
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
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Service Manual 13
Disassembly
4. POWER CORD
Refrigerating Cycle
CAUTION: 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.
1.
CONDENSER
Figure 27
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 27)
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.)
Figure 28
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 28)
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 26)Figure 26
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14 Room Air Conditioner
Disassembly
— Replacement of the refrigeration cycle.
1. When replacing the refrigeration cycle, 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
30A.
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
30B.
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.
a.
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.
NOTICE
2. EVAPORATOR
3. CAPILLARY TUBE
Figure 29
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 29)
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.
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Service Manual 15
Disassembly
Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin-off tool capable
of 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
(HIGH PRESSURE SIDE)
SEE INSETS
BELOW
MANIFOLD
GAUGE
B
Figure 30A-Pulling Vacuum Figure 30B-Charging
A
B
EXTERNAL
VACUUM PUMP
A
CHARGING
CYLINDER
LOW HI
B
C
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Service Manual 16
Schematic Diagram
Circuit Diagram
LOCATION
NO.
1
2
3
4
5
6
7
8
Q'TY
PER SET
1
1
1
1
1
1
1
1
DESCRIPTION
POWER CORD ASSEMBLY
FAN MOTOR
COMPRESSOR
DISPLAY P.W.B ASSEMBLY
MAIN P.W.B ASSEMBLY
THERMISTOR
CAPACITOR
OWERLOAD PROTECTOR
1
6
4
5
8
3
7
2
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17 Room Air Conditioner
Electronic Control Device
Schematic Diagram
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Service Manual 18
Components Location(For Main P.W.B ASM)
Schematic Diagram
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19 Room Air Conditioner
Troubleshooting Guide
Troubleshooting Guide
Piping System
Figure 38 is a brief description of the important components and their function in what is called the refrigeration
system. This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle.
MOTOR
COMPRESSOR
OIL
(LIQUID REFRIGERANT)
CAPILLARY TUBE
OUTSIDE 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
Figure 34
CAPILLARY TUBE
COMPRESSOR
BLOWER
EVAPORATOR COIL
CONDENSER COIL
FAN
MOTOR
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Service Manual 20
Troubleshooting Guide
Troubleshooting Guide
In general, possible trouble is classified in two kinds.
The one is called Starting Failure which is caused from an electrical defect, and the other is ineffective Air
Conditioning caused by a defect in the refrigeration circuit and improper application.
Unit runs but poor cooling.
Ineffective Cooling
Satisfactory operation
with temperature
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
circulation for smooth
flow.
Check gas leakage. Clean condenser.
Not on separate circuit
Check inside gas
pressure.
Adjust refrigerant
charge.
Malfunction of
compressor.
Replacement of
compressor.
Check clogging in refrigera-
tion circuit.
Repair clogging in
refrigeration circuit.
Dirty indoor coil
(heat exchanger)
Repair gas leak.
Malfunction of fan.
Clogging of air filter.
Obstruction at air outlet.
Remove obstruction.
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21 Room Air Conditioner
Troubleshooting Guide
Fails to Start
Improper thermistor
setting
Loose terminal
connection
Improper wiring
Check of power source.
Drop of power voltage.
Capacitor check.
Replacement.
Check of control panel
setting.
Compressor fails only to
start.
Defect of compressor
capacitor.
Replacement of compressor
(Motor damaged).
Irregular motor insulation (Ω)
Irregular motor resistance (Ω)
Check of circuit breaker
and fuse.
Check control panel.
Fan only fails to start.
Improper wiring.
Defect of fan motor
capacitor.
Replacement of fan motor.
Regular but fails to start.
Replacement of compressor.
(Locking of piston, metal.)
Irregular motor
resistance (Ω)
Irregular motor
insulation (Ω)
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Service Manual 22
Troubleshooting Guide
ELECTRIC PARTS TROUBLESHOOTING GUIDE:
Possible Trouble 1 •The unit does not operate.
Is the Trans input power
AC 115V?
Is the Trans output power
about AC 14V? Is shorted the Trans. output?
Is output Voltage of IC01D
DC 12V?
Is output Voltage of IC02D
DC 5V?
Is the voltage No.18 of Micom
DC 5V?
Exchange Main P.W.B Ass'y.
Is the
connection between
Main and Display
all right?
Is the reset circuit all right?
(The No.14 of Micom
is 5V.)
•
Check the Fuse.
•
Check the wiring diagram.
•
Check the Main
P.W.B pattern.
• Exchange the Trans.
•
Exchange D02D~D05D.
• Exchange IC01D.
• Exchange IC02D.
• Exchange IC01A.
• Connect connector
exactly.
• Check the
P.W.B
pattern.
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
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23 Room Air Conditioner
Troubleshooting Guide
Is Temp.
setting set lower than Room
Temp.-0.5°C?
Is the voltage No.10
of IC01M 0V?
• Exchange IC01M.
• Set the Temp. setting to lower Temp.
• Wait 3 Minutes
Is the Unit for 3 minutes
delay?
• Exchange MAIN
P.W.B Ass'y.
Is the voltage N0.7 of
IC01M DC 5V?
• Check the RY-COMP.
• Check the wiring
Diagram.
NO
NO
NO NO
YES YES
YES
YES
Possible Trouble 2 •The compressor does not operate.
Is the wire connection of
RY-COMP all right?
• Check the RY-COMP.
• Connect LEAD Wire to
RY-COMP again.
NO
YES
Possible Trouble 3 •The compressor always operate.
• Exchange IC01M.
• Exchange IC01M.
Is the voltage NO.1 or 4
of IC01M DC 5V?
Is the voltage NO.13 or 16
of IC01M 0V?
• Check the RY-Hi or
RY-Lo.
•
Check the wiring diagram.
NO
NO
YES
YES
Possible Trouble 4 •Fan does not operate.
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Service Manual 24
Troubleshooting Guide
Is the voltage of Battery
about over 2.3V?
•
Exchange Receiver Ass'y.
Is the connection of
CN-DISP1 all right?
Is the voltage No.16
of CN-DISP1 on Main P.W.B
Ass'y DC 5V?
• Exchange the battery.
•
Check the P.W.B pattern.
• Connect connector to
CN-DISP1 exactly.
NO
NO
NO
YES
YES
YES
Possible Trouble 5 •Romote controller does not operate.
NO
NO
NO
NO
YES
YES
YES
Is the IC01G all right?
Is the connection of
CN-DISP1 all right?
• Exchange the display
P.W.B Ass'y.
• Exchange IC01G.
• Exchange Q01G,
Q02G, Q03G, Q04G
• Connect connector
to CN-DISP1 exactly.
Does the Q01G,
Q02G, Q03G Q04G operate normally
on main P.W.B Ass'y?
Possible Trouble 6 •It displays abnormally on Display P.W.B Ass'y.
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25 Room Air Conditioner
Troubleshooting Guide
ROOM AIR CONDITIONER VOLTAGE LIMITS
NAME PLATE RATING MINIMUM MAXIMUM
115V ± 10% 103.5V 126.5V
COMPLAINT CAUSE REMEDY
Fan motor will not run. No power Check voltage at outlet. Correct if none.
Power supply cord Check voltage to rotary switch. If none, check
power supply cord. Replace cord if circuit is
open.
Rotary switch Check switch continuity. Refer to wiring diagram
for terminal identification. Replace switch if
defective.
Wire disconnected or Connect wire. Refer to wiring diagram for
connection loose terminal identification. Repair or replace loose
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 blower wheel hitting
scroll. Re-align assembly.
Units using slinger ring condenser fans must
have 0.22~0.25 inch clearance to the base.
If necessary, 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.
Fan motor runs. Revolves on overload 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 from high speed to
low speed. If the speed does not change,
replace the motor.
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Service Manual 26
Troubleshooting Guide
COMPLAINT CAUSE REMEDY
Fan motor noise. Fan If cracked, out of balance, or partially missing,
replace it.
Blower If cracked, out of balance, or partially missing,
replace it.
Loose set screw Tighten it.
Worn bearings If knocking sounds continue when running or
loose, replace the motor. If the motor hums or
noise appears to be internal while running,
replace motor.
Compressor will not run, Voltage Check voltage. See the limits on the preceding
fan motor runs. page. If not within limits, call an electrician.
Wiring Check the wire connections; if loose, repair or
replace the terminal. If the wires are discon-
nected, refer to wiring diagram for identification,
and replace the wires. Check the wire connections;
If not according to the wiring diagram, correct
the connections.
Thermistor Check the TEMP control. If not at the lowest
number, set TEMP control to this setting and
restart the unit.
Check the continuity of the thermistor. Replace
the thermistor if the circuit is open.
Rotary 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 knob to this setting and
restart the unit.
Check the continuity of the thermostat. Replace
the thermostat if the circuit is open.
Capacitor (discharge Check the capacitor.
capacitor before Replace if not within ±10% of manufacturer’s
servicing.) rating, replace if shorted, open, or damaged.
Compressor Check the compressor for open circuit or
ground. If open or grounded, replace the
compressor.
Overload
Check the compressor overload if externally mounted.
Replace if open. (If the compressor temperature is
high, remove the overload, cool, and retest.)
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27 Room Air Conditioner
COMPLAINT CAUSE REMEDY
Compressor cycles on Voltage Check the voltage. See the limits on the
overload. preceding page. If voltage is not within these limits,
call an electrician.
Overload Check overload, if externally mounted.
Replace if open. (If the compressor temperature
is high, remove the overload, cool, and retest.)
Compressor cycles on Fan motor If not running, determine the cause. Replace if
overload. required.
Condenser air flow Remove the cabinet, inspect the interior surface
restriction of the condenser. If restricted, clean carefully
with a vacuum cleaner (do not damage fins) or
brush. Clean the interior base before
re-assembling.
Condenser fins If the condenser fins are closed over a large
(damaged) area on the coil surface, head pressures 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 the system for a restriction.
Insufficient cooling Air filter If restricted, clean or replace.
Unit undersized Determine if the unit is properly sized for the
area to be cooled.
Excessive noise Blower or fan Check the set screw, or clamp. If loose or miss-
ing, correct. If the blower or fan is hitting scroll
or barrier, rearrange the air handling parts.
Copper tubing Remove the cabinet and carefully rearrange the
tubing not to contact the cabinet,
compressor, shroud, and barrier.
Troubleshooting Guide
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Ser vice Man ual 28
Exploded View
Exploded View
249950
567480
268711-1
264110
238310
237200
268711-2
135510
146812
W0CZZ
554030
559010
552113
35211A
352113
352115-1
352115-2
731273
267110
552102
135314
749740
352380
159830
148000
130910
346811
349600
W48602
149980
359012
354210
349480
147581
135312
130410
567502
554160
550140
349001
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29 Room Air Conditioner
Replacement Parts list
LocNo CP06E10 CP08E10 DESCRIPTION REMARK
130410 67302912 67302905 Base Assy Single R
349001 67303502 67303502 Damper Assembly R
130910 67303714 67303714 Cabinet Assy Single R
135312 67306017 67306017 Grille Assy Front R
135314 67306110 67306110 Grille Assy Inlet R
135510 67400148 67400148 Cover R
147581 67306208 67306208 Louver,Horizontal R
147582 67306264 67306264 Louver,Vertical R
149980 67303108 67303104 Shroud R
159830 67304309 67304309 Filter (Mech) R
238310 67500142 67500142 Escutcheon R
567480 67307806 67307806 Thermistor R
264110 67300020 67300020 Power Cord Assy R
267110 67307704 67307704 Remote Controller R
249950 67305511 67305513 Case Assembly,Control R
237200 67305512 67305512 Panel,Control R
268711-1 67307621 67307621 PWB(PCB) Assy Display R
268711-2 67307622 67307622 PWB(PCB) Assy Main R
14681267300902 67300902 Swing Louver Motor R
349600 67303604 67303604 Bracket,Motor R
346811 67303013 67303005 Motor Assy Single R
349480 67303412 67303412 Orifice R
352380 67302736 67302736 Duct Assembly R
552102 67400188 67400190 Tube Assy Capillary R
550140 67301900 67301901 Isolator Comp R
559010 67303203 67303203 Fan Assy Axial R
359012 67302609 67302609 Fan Turbo R
148000 67303901 67303901 Supporter R
567502 67301405 67301406 O.L.P. Overload Protect R
W0CZZ 67300718 67302726 Capacitor R
731273 67306312 67306312 installation Kit w/Curtain R
W48602 67302500 67302500 Clamp Spring R
749740 67304002 67304002 Upper Guide Cabinet R
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CP06 CP08 SVC PARTS 2008(07/08)
Post Office Box 1540 • 4200 N. Pan Am Expressway • San Antonio, Texas 78295-1540
• (210) 357-4400 • FAX (210) 357-4490
FRIEDRICH AIR CONDITIONING CO.
Visit our web site at www.friedrich.com
Use Factory Certified Parts...
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