Mitsubishi Heavy Industries FDT100VNAWVH Service Manual page 58

2) Model FDTC series
CNV (White)
CNH (Black)
CNTA (Blue)
CNL (Black)
CNC (White)
CNF (Yellow)
CNN (Yellow)
CNI (Blue)
SW2 (Blue)
Address setting
CNJ1 (White) LED2(Green)
SW5
Master/Slave
setting
CNE(White）
RAM checker
SW6
Capacity setting
CNN(Yellow）
Thermistor
(Heat exchanger)
Replace and set up the PCB according to this instruction.
i) Set to an appropriate address and function using switch on PCB.
Select the same setting with the removed PCB.
Item Switch
Address
Test run SW7-1
ii) Set to an appropriate capacity using the model selector switch (SW6).
Select the same capacity with the PCB removed from the unit.
SW6 -1 -2 -3
50VH
－
〇 〇
60VH
〇
〇 〇
iii) Replace the PCB
① Unscrew terminal (Arrow A) of the "E1" wiring (yellow/green) that is connected to PCB.
② Replace the PCB only after all the wirings connected to the connector are removed.
③ Fix the board such that it will not pinch any of the wires.
④ Switch setting must be same setting as that of the removed PCB.
⑤ Reconnect the wirings to the PCB. Wiring connector color should match with the color of connector of the PCB.
⑥ Screw back the terminal (Arrow A) of the "E1" wiring, that was removed in ①.
iv) Control PCB
Parts mounting are different by the kind of PCB.
CNV2 (Black) LED3(Red)
CNT2 (Red)
CNT (Blue)
SW7
CNJ(White）
Louver motor
CNJ2 (Grey) CNA (Red)
SW7
Function setting
Content of control
SW2 Plural indoor units control by 1 remote control
－
Operation check/drain pump motor test run
〇
〇:ON －:OFF
SW6
-4
ON
－
－
1 2 3 4
Example setting for 50VH
CNR (White) CNQ (Red)
SW2
SW5
SW6
CNG (Blue)
CNT（Blue）
CNZ(White）
External switch
HA
CNB (Black) CNP (Green)
CNG（Blue）
57
- -
PSC012D050
Normal
CNW3 (White)
CNM1(White)
CNWR(White)
CNK2 (Black) CNK1 (White)
'19 • PAC-SM-309
C
CNW0 (White)
A
CNW4(Blue）
Power PCB
Part number
263□□
CNW3(Red）
Power PCB
Part number