Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual page 263

◆ Model: FDUM, FDDU, FDEN series
①Set an appropriate address and Master/Slave setting by using dip switches.
Set the same setting with the PCB removed from the unit.
②Set to an appropriate capacity by using the model selector switch(SW6).
Select the same capacity with the PCB removed from the unit.
SW6 -1 -2 -3 -4
40V
〇 〇 － －
50V
－ －
〇 〇
60V
－
〇 〇 〇
71V
－ －
〇 〇
〇:ON －:OFF
③Replace the PCB
1. Fix the PCB so as not to pinch the wirings.
2. Be sure to connect the connectors with same color of the PCB connectors.
3. Be sure not to pass the wirings on the surface of PCB (especially CPU).
④Control PCB
The parts mounted on PCB are different with respect to each PCB.
CNW1（White）
Primary transformer
SW5 Master/Slave
setting
CNM3（White）
Fan motor
CNJ2(Blue）
Louver motor
CNR(White）
Drain pump
CNJ(White)
Lover motor
Pulse
SW6 -1 -2 -3 -4
100V 200V
〇 〇 － 〇
125V 250V
－ －
〇 〇
140V
－
〇 〇 〇
Part number
CNE（White）
RAM checker
item switch
Address SW2
Master /Slave
SW5-1
setting
SW5-2
Test run SW7-1
SW6
SW6 -1 -2 -3 -4
－ 〇 〇 〇
〇 〇 〇 〇
Example setting for 50V
SW2 (Blue)
CNW0(Red）
Address setting
Power source
CNG（Blue）
SW7
SW6
Ａ
254
– –
Content of control
Plural indoor units control by 1 remote controller
Master Slave1
－ －
－ 〇
－
Operation check/drain motor test run
〇
〇:ON －:OFF
ON
1 2 3 4
Slave2 Slave3
〇 〇
－ 〇
Normal
CNW2(Black）
Secondary
transformer
CNB(White）
Remote
controller