Pcb Layouts; Indoor Unit Control Circuit Board - Fujitsu R407C Service Manual

2. FUNCTION OF PRINTED CIRCUIT BOARD

2-1 PCB LAYOUTS

2-1-1 INDOOR UNIT CONTROL CIRCUIT BOARD

DIP SW
Rotary SW
Indoor unit control circuit board
For AB / AU / AR types indoor unit
CN19 CN20 CN21
CN15
CN14
CN11
CN13
CN10
CN24 CN12
CN27
CN16
CN25
CN22 CN23
CN26
CN4
CN3
CN101
CN201
CN5
Indoor unit
1
Forbidden
2
Forbidden
SW 1
3
Room temp correct coefficient of heating 1
4
Room temp correct coefficient of heating 2
1
Room temp correct coefficient of cooling
2
Forbidden
SW 2
3
Filter check validity / invalidity
4
Auto restart validity / invalidity
1
Forbidden(Indoor unit fan speed switch 1)
2
Forbidden(Indoor unit fan speed switch 2)
SW 3
3
Forbidden(Indoor unit fan speed switch 3)
4
Extermal input select edge / pulse
1
Forbidden(Indoor unit model code)
2
Forbidden(Indoor unit model code)
SW 4
3
Forbidden(Indoor unit model code)
4
Forbidden(Indoor unit model code)
1
Wireless remote controller custom code switch 1
2
Wireless remote controller custom code switch 2
SW 5
3
Frost prevention temperature shift switch
4
Draft prevention setting switch
SW 6
Indoor unit address switch
SW 7
Forbidden
SW 8
Refrigeration circuit address 1
SW 9
Refrigeration circuit address 2
SW 10
Remote controller address
CN17
CN18
SW10
SW9
SW8
SW3 SW4 SW5
CN2
SW6 SW7
SW1
SW2
CN6
CN1
CN101 and CN201 exist
in the PCB of power supply.
For AS / AW types indoor unit
CN4 CN5
CN24
CN23
CN22
SW9 SW5
CN21
SW7
SW3
CN20
CN11
SW6 SW4
SW8
SW10
CN6
CN12
CN18
CN13
CN7
CN16
CN17
CN19
CN9
CN8
02-01
CN15
SW1
SW2
CN25
CN14
CN3
CN1
CN26