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TM
2.2 Example of installing
1:N(IDU) Group Control
GND
Signal
12V
It needs the group control cable.
• Group Control cable
- Model name : PZCWRCG3
- Length : 0.25m
1) Max. 16 Indoor units by one remote controller.
2) Only one indoor unit to Master and others to Slave.
- For ceiling cassette and duct product group, change the setting with the indoor unit PCB switch.
ON
1 2 3 4
5
6 7 8
No. 3 switch OFF: master (factory ship-out based)
3) In case of using Central controller, the Central controller can control indoor units which has the address of mas-
ter indoor unit. (Slave indoor unit can not be individually controlled by Central controller)
4) Dry contact can be allowed only in master indoor unit.
5) It is possible to use wireless remote controller at the same time.
6) In case that the group's indoor unit has an abnormal problem, an error code will be displayed on the wired
remote controller.
22 _
Wired remote controller
HVAC Solution
Master
Slave
Yellow
Yellow
Black
Red
Cable : 1EA
Cable : 1EA
Yellow
Slave
Signal
GND
ON
1 2 3 4
5
6 7 8
No. 3 switch ON: slave
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