Service Manuals, User Guides, Schematic Diagrams or docs for : Funai Цифры 12D-2407 12D-2407
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Air Conditioner
SERVICE MANUAL
MODEL: 12 1
Should be serviced by professional technicians
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Contents
Product Specifications (cooling & heating)................................................1
Dimensions...................................................................................................2
Refrigeration Cycle Diagram.......................................................................4
Wiring Diagram.............................................................................................6
Operation Details........................................................................................8
Disassembly of the parts (Indoor Unit)....................................................10
2-way,3-way Valve.....................................................................................13
Cycle troubleshooting Guide....................................................................17
Electronic Parts Troubleshooting Guide..................................................18
Exploded View & Replacement Parts List...............................................23
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Product Specifications (Cooling & Heating)
Model KFR-120AW KFR-155AW
Function Cooling heating
Power supply(V/~/Hz) 400V/3/50 400V/3/50
3
Air flow(m /h) 2400 2400
Cooling capacity(W) 12000 15500
Heating capacity(W) 12000 15500
Rate power Cooling 5300 6450
supply(W)
Heating 5200 6200
Cooling 8.8 11.3
Rate current(A)
Heating 8.4 10.9
Environment temperature( ) -5 ~43
Refrigerant charge(kg) 3.7 4.6
Indoor 62 62
Noise level(kg)
Outdoor 68 68
Indoor 60 60
Weight (kg)
Outdoor 110 120
Indoor 650 1430 411 650 1430 411
Dimension (mm)
Depth Width Height Outdoor 413 990 1245 413 990 1245
Dry capacity (kg/h) 3.0 3.6
IP Code IP24
-1-
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Dimensions
(1)Indoor Unit
W
H
D
DIMENSION KFR-120AW KFR-155AW
D 650
W 1430mm
H 411
-2-
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(2)Outdoor Unit
H
W
L1
L3
D
L2
DIMENSION KFR-120AW KFR-155AW
D 352mm
W 980mm
H 1250mm
L1 412mm
L2 580mm
L3 380mm
-3-
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Refrigeration Cycle Diagram
COOLING AND HEATING
WALL
Indoor unit Outdoor unit Outdoor fan motor
4-way reversing valve Outdoor air in
Hot(Cool) air outlet
Indoor fan motor
Cool(Hot) air Cool(Hot) air
Condenser Axial flow fan
Indoor air inlet
Evaporator centrifugal fan leaf Connection pipe Valve Tube Compressor Single way valve
COOLING
HEATING
COOLING ONLY
Indoor unit WALL Outdoor unit Outdoor fan motor Hot air outlet
Outdoor air in
Indoor fan motor
Axial flow fan
Cool air Cool(Hot) air
Indoor air inlet
Condenser
Evaporator centrifugal fan leaf Connection pipe Valve Tube Compressor
-4-
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MODE KFR-120AW KFR-155AWW
Pipe size Gas 34
( Diameter ) Liquid 3/8"
Max Piping length (m) 15
Max Elevation (m) 7
Extra adding R22 (g/m) 25
Notes: When the length of connection pipe 5m the refrigerant should be charged 25g more
per 1m longer.
-5-
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Wiring Diagram
Indoor unit wiring diagram
Electric Heater3 Electric Heater2 Electric Heater1
Indoor Fan
FM
Fan Capacitor
FUSE 3.15A 250V
N V F
Control
Board
Primarily 2
Secondary
2 2
Transformer
Pipe Temperature Sensor
L N F V C L N
(Yellow/green)
(Yellow/green)
(Brown)
(Blue)
(Brown)
(White)
(Black)
(Blue)
(Red)
To Outdoor Unit To Outdoor Unit
Power Supply
220V-240VAC 50Hz
-6-
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Outdoor unit wiring diagram
Contactor THR
Thermal Overload Relay
CON
RV
Defrost Temperature Sensor
Outdoor Fan Motor Four Way Valve Coll
FM2
Outdoor Fan Capacitor
Outdoor Fan Capacitor
Outdoor fan motor FM3
3-Phase Direction Device
R-PH L
Crankcade Heater
R S T
MCH
2
L1 L2L3 N F V C L N
CON
(Yellow/green)
(Yellow/green)
(Brown)
(Brown)
(White)
(White)
(Black)
(Blue)
(Blue)
(Red)
(Red)
THR
CM Power Supply To Indoor Unit To Indoor Unit
3N 400V 50Hz
Compressor
-7-
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Operation instruction
3 AUTO OPERATION
Press button to start air-conditioner. Now, fan speed is auto. Press to select fan
speed.
To stop working, please press button again.
Setting temperature is not shown on screen of the control board when in AUTO operation.
When operation shifts from auto into heating or cooling operation, indoor fan speed can be
set in low speed, middle speed, high speed or auto mode.
After air-conditioner operation for about 15 minutes, if you feel too warm or too cool, please push
C
- +
or C
to adjust the temperature. Thus , you can get most comfort temperature.
Auto operation is a economical mode, which can select suitable operation mode according room-
temperature.
4 COOLING DRY AND HEATING OPERATION
Push button to start air-conditioner.
Push button to select operation. Each pushing of this button changes the mode of operation
in this order from auto airflow venting cooling dry heating.
Push button to set fan speed.
C
+
Push C
or -
button to set needed temperature.
C
If you feel too warm, please push - to decrease the temperature; if you feel too cool, please
+
push to increase the temperature. Thus ,you can get most comfort temperature.
C
Push button again, operation will stop.
5 ADJUSTMENT OF FAN SPEED AND HOW TO DO TIMING
Press button to adjust fan speed. Fan speed changes in the recyclable order from low
speed ,middle speed ,high speed to auto in turn when press button once.
Select HIGH SPEED for stronger cooling.
+
To set timer-on or timer-off, push or button, then push or - to adjust time.
To cancel the timer function ,please push button or button again.
-9-
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