Text preview for : 12D-2407.pdf part of Funai 12D-2407 Funai Öèôðû 12D-2407 12D-2407.pdf



Back to : 12D-2407.pdf | Home

Air Conditioner
SERVICE MANUAL

MODEL: 12 1




Should be serviced by professional technicians


Downloaded from www.Manualslib.com manuals search engine
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




Downloaded from www.Manualslib.com manuals search engine
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-




Downloaded from www.Manualslib.com manuals search engine
Dimensions
(1)Indoor Unit


W
H




D




DIMENSION KFR-120AW KFR-155AW

D 650
W 1430mm
H 411


-2-




Downloaded from www.Manualslib.com manuals search engine
(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-




Downloaded from www.Manualslib.com manuals search engine
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-




Downloaded from www.Manualslib.com manuals search engine
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-




Downloaded from www.Manualslib.com manuals search engine
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-




Downloaded from www.Manualslib.com manuals search engine
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-




Downloaded from www.Manualslib.com manuals search engine
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-




Downloaded from www.Manualslib.com manuals search engine