Mitsubishi SCM40ZS-S, Техническое руководство

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226
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'16 • SCM-T-199
(ii) FDE, FDUM 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.
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) Exchange PCB after detaching all connectors connected with the PCB.
ii) Fix the PCB so as not to pitch the wiring.
iii) Connect connectors to the PCB. Match the wiring connector to the connector color on the PCB and connect it.
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
SW6 -1 -2 -3 -4
50V
ON OFF ON OFF
Part number
SW2(Blue)
Address setting
CNI(Blue ）
Float SW
CNH(Black）
Thermistor
(Return air)
CNB(White）
Remote
control
CNTA(Blue）
External
input
CNW2(White）
Power PCB
CNR(White）
Drain motor
CNT （ Blue ）
External switch
CNZ(White）
HA
CNN(Yellow ）
Thermistor
(Heat exchanger)
SW6
Capacity setting
SW7
Function setting
SW8
Function setting
CNE(White）
RAM checker
PSB012D990B