Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 329

⑤
Receiver
1 Control plural indoor units with one remote control
Up to 16 indoor units can be connected.
1. Connect the XY terminal with 2 cores wire. As for the
size, refer to the following note.
2. For Packaged air-conditioner series, set the indoor
unit address with SW2 on the indoor unit PCB from
[0] to [F] so as not to duplicate.
For the shop series
For VRF series, set the indoor unit address with SW1, SW2 and SW5-2 on the indoor unit PCB from [000]
to [127] so as not to duplicate.
Terminal block
X Y
Indoor unit (1)
Address (0)
For the building air-conditioner and gas heat pump series
Set the indoor unit and outdoor unit numbers by manually specifying the addresses.
Use the rotary switchs SW1 and SW2 provided on the indoor unit PCB (printed circuit board) to set the
indoor unit numbers so that they are not duplicated.
Master/Slave setting when using plural remote control
Up to two receivers can be installed in one indoor unit group.
Indoor unit
Receiver
SW1[Master]
PFA012D630.indd 2
Indoor unit (2)
Address (1)
KIT
Wireless remote control
Remote control line
(No polarity)
Receiver
SW1[Slave]
Restrictions on the thickness and length of wire
(Maximun total extension 600m.)
Standard
Indoor unit (16)
Address ( F )
Switch Setting
SW2
OFF
328
- -
'17 • SCM-T-225
Within 0.3 mm² × 100m
Within 0.5 mm² × 200m
Within 0.75mm² × 300m
Within 1.25mm² × 400m
Within 2.0 mm² × 600m
Function
ON Master
Slave
5
⑤
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7