Mitsubishi Heavy Industries FDT200VSAWPVH Service Manual page 48

Micro inverter packaged air-conditioners
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2) Model FDTC series
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.
ii) Set to an appropriate capacity using the model selector switch(SW6).
Select the same capacity with the PCB removed from the unit.
 
SW6
50VH
60VH
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.
CNV (White)
CNH (Black)
CNTA (Blue)
CNL (Black)
CNT2 (Red)
CNC (White)
CNT (Blue)
CNF (Yellow)
CNN (Yellow)
SW2 (Blue)
Address setting
CNI (Blue)
SW5
Master/Slave
setting
CNE(White)
CNJ1 (White)
LED2(Green)
RAM checker
SW6
Capacity setting
CNN(Yellow)
Thermistor
(Heat exchanger)
Item
Switch
Address
SW2
Master /
Slave
SW5-1
setting
SW5-2
Test run
SW7-1
SW6
-1
-2
-3
-4
ON
1
Example setting for 50VH
CNV2 (Black)
LED3(Red)
CNR (White)
SW5
CNZ(White)
CNJ(White)
SW7
Louver motor
CNG (Blue)
CNJ2 (Grey)
CNA (Red)
CNB (Black)
SW7
Function setting
Content of control
Plural indoor units control by 1 remote control
Master
Slave 1
Slave 2
Normal
Operation check/drain pump motor test run
〇:ON -:OFF
2
3
4
CNQ (Red)
CNW3 (White)
SW2
CNT(Blue)
SW6
External switch
HA
CNP (Green)
CNK2 (Black)
CNG(Blue)
47
-
-
'21 • PAC-SM-383
PSC012D050
Slave 3
CNW0 (White)
A
CNM1(White)
CNWR(White)
Part number
CNK1 (White)
263□□
C
CNW4(Blue)
Power PCB
CNW3(Red)
Power PCB
Part number

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