Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 229

(i) FDTC series
1) Control PCB
Replace and set up the PCB according to this instruction.
a) Set to an appropriate address and function using switch on PCB.
Select the same setting with the removed PCB.
item
Address
Test run
b) 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
25VF
ON OFF OFF
35VF
OFF ON OFF
50VF
ON OFF ON
60VF
ON ON ON
c) Replace the PCB
i) Fix the PCB so as not to pitch the cords.
ii) Connect connectors to the PCB. Connect a cable connector with the PCB connector of the same color.
iii) Do not pass CPU surrounding about wirings.
d) Control PCB
Parts mounting are different by the kind of PCB.
SW2 (Blue)
Address setting
CNE(White）
RAM checker
SW6
Capacity setting
CNN(Yellow）
Thermistor
(Heat exchanger)
switch Content of control
SW2 Plural indoor units control by 1 remote control
OFF
SW7-1
ON Operation check/drain motor test run
SW6
-4
ON
OFF
OFF
OFF
1 2 3 4
OFF
Example setting fro 25VF
CNJ(White）
Louver motor
SW7
Function setting
Normal
CNT（Blue）
CNZ(White）
External switch
HA
CNG（Blue）
228
- -
'17 • SCM-T-225
PSB012D976B
F
PSB012D976C
F
CNW4(Blue）
Power PCB
CNW3(Red）
Power PCB
Part number