Mitsubishi Heavy Industries SCM50ZS-S1 - Page 221

SW2 (Blue)
Address setting
SW7
Function
setting
CNT（Blue）
External switch
CNN(Yellow）
Sensor
(Heat exchanger)
CNW3(Red）
Power PCB
CNG（Blue）
CNZ(White）
HA
LED2
(Green）
CNE(White）
RAM checker
CNW4(Blue）
Power PCB
Part number
SW6
Capacity setting
CNI(Blue）
Float SW
CNH(Black）
Sensor
(Return air)
CNB(White）
Remote
control
LED3
(Red）
CNJ(White）
Louver motor
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.
b) Set to an appropriate capacity using the model selector switch(SW6).
Select the same capacity with the PCB removed from the unit.
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.
Item
Switch
Address
SW2
OFF
ON
Content of control
Plural indoor units control by 1 remote control
Test run SW7-1
Normal
Operation check/drain motor test run
SW6
ON
1 2 3 4
Example setting for 25VF
SW6 -1 -2 -3 -4
25VF
ON
ON
OFF
OFF
OFF
35VF
OFF
OFF OFF
OFF ON
50VF
ON OFF
(i) FDTC series
1) Control PCB
SW2 (Blue)
Address setting
SW7
Function
setting
CNT（Blue）
External switch
CNN(Yellow）
Sensor
(Heat exchanger)
CNW3(Red）
Power PCB
CNG（Blue）
CNZ(White）
HA
LED2
(Green）
CNE(White）
RAM checker
CNW4(Blue）
Power PCB
Part number
SW6
Capacity setting
CNI(Blue）
Float SW
CNH(Black）
Sensor
(Return air)
CNB(White）
Remote
control
LED3
(Red）
CNJ(White）
Louver motor
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.
b) Set to an appropriate capacity using the model selector switch(SW6).
Select the same capacity with the PCB removed from the unit.
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.
Item
Switch
Address
SW2
OFF
ON
Content of control
Plural indoor units control by 1 remote control
Test run SW7-1
Normal
Operation check/drain motor test run
SW6
ON
1 2 3 4
Example setting for 25VF
SW6 -1 -2 -3 -4
25VF
ON
ON
OFF
OFF
OFF
35VF
OFF
OFF OFF
OFF ON
50VF
ON OFF
PSB012D976C
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G
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219
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'18 • SCM-T-251