Mitsubishi Electric FDT125VNVF Technical Manual page 334

◆ Model FDT, FDUM series
• Control PCB
Replace and set up the PCB according to this instruction.
① Set to an appropriate address and function using switch on PCB.
Select the same setting with the removed PCB.
item
Address
Master /Slave
setting
Test run
② 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 -4
50V
－ －
〇 〇
60V
－
〇 〇 〇
71V
－ －
〇 〇
③ Replace the PCB
1. Exchange PCB after detaching all connectors connected with the PCB.
2. Fix the PCB so as not to pitch the wiring.
3. Connect connectors to the PCB. Match the wiring connector to the connector color on the PCB and connect it.
④ Control PCB
Parts mounting are different by the kind of PCB.
SW5
Master/Slave
setting
SW2(Blue)
Address setting
CNE(White）
RAM checker
SW6
Capacity setting
SW7
Function setting
SW8
Function setting
CNN(Yellow）
Thermistor
(Heat exchanger)
CNH(Black）
Thermistor
(Return air)
switch Content of control
SW2 Plural indoor units control by 1 remote controller
Master Slave1
SW5-1
－ －
SW5-2
－ 〇
－
SW7-1
Operation check/drain motor test run
〇
〇:ON －:OFF
SW6 -1 -2 -3 -4
100V
－
〇 〇 〇
125V
－ －
〇 〇
140V
－
〇 〇 〇
CNZ(White）
CNJ(White）
Louver motor
CNTA(Blue） CNC(Red）
CNI(Blue）
External Humidity
Float SW
input sensor
Slave2 Slave3
〇 〇
－ 〇
Normal
SW6
ON
1 2 3 4
Example setting for 50V
CNT（Blue） CNV（Red）
HA External switch Auto lift
CNO(Red）
Heater
output
333
- -
'12 • PAC-T-174
PSB012D990B
CNV2(Black) CNB(White）
Auto clean Remote
panel controller
c
CNR(White）
Drain motor
CNW2(White）
Power PWB
Part number