Mitsubishi Heavy Industries SCM71ZS-W User Manual

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105
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'19 • SCM-SM-276
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
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.
d) Control PCB
Parts mounting are different by the kind of PCB.
〇:ON －:OFF
〇
－
〇
SW6
ON
1 2 3 4
Example setting for 50VH
item
Address
Test run
switch
SW2
SW7-1
Content of control
Plural indoor units control by 1 remote control
Normal
Operation check/drain pump motor test run
SW6 -1 -2 -3 -4
50VH
ON OFF ON OFF
Part number
SW5
Master/Slave
setting
SW2(Blue)
Address setting
CNI(Blue）
Float SW
CNG(Blue）
Motion sensor
CNV2(Black）
Motion sensor
CNH(Black）
Thermistor
(
Return air
)
CNB(White）
Remote
control
CNTA(Blue）
External
input
CNW2(White）
Power 1 PCB
CNR(White）
Drain motor
CNT（Blue）
External switch
CNJ(White）
Louver motor
CNZ(White）
LED2
(Green）
LED3
(Red）
HA
CNN(Yellow）
Thermistor
(Heat exchanger)
SW6
Capacity setting
SW7
Function setting
SW8
Function setting
CNE(White）
RAM checker
(ii) Models FDUM, FDE series
1) Control PCB
PSB012D990B
D

Mitsubishi Heavy Industries SCM71ZS-W Specifications

General

Brand	Mitsubishi Heavy Industries
Model	SCM71ZS-W
Category	Air Conditioner
Language	English