8
3. Things to remember when wired and wireless remotes are installed at the same time
Two remote controls can be used to control the unit if the wireless remote control kit is installed at the same time as
the wired remote control. (Up to 2 remotes [a wireless remote kit and the wired remote control] can be installed.)
When using 2 remotes, one or more units can be operated by the remotes.
NOTE
1. When wiring remote controls, be sure to double-check the terminal numbers of the indoor unit before connecting
them so there are no mistakes in the wiring. (Damage will occur if high voltage [e.g. supply voltage] is applied.)
2. It is not possible to use more than one wireless remote control kit with one indoor unit.
(A receiver located separately can be used at the same time.)
3. If both a wireless and a wired remote control are to be installed and used at the same time, one of them must
be set up as the sub remote control.
• If the wired remote control is to be the sub remote, change the wired remote control to the sub remote.
• If the wireless remote control is to be the secondary, turn the #3 switch on the wireless receiver (operation panel)
from OFF to ON.
When 1 indoor unit is operated by 2 remote controls:
Either of the remotes can be set to main/sub.
• Use wiring of 0.5 mm
2
to 2 mm
2
for field supply.
• Use a total wire length of no more than 400 m.
If a group of units are to be controlled by 2 remote
controls;
Main/sub remote controls will work regardless of
which indoor unit they are installed to.
• Use wiring of 0.5 mm
2
to 2 mm
2
for field supply.
• Make the total wire length when cross-wiring a group
no more than 200 m.
CN1
12 12
CN1
2121
CZ-RWSC2
Wireless Remote Control Kit
(Sold Separately)
Wired Remote Control
(Sold Separately)
(Sub)(Main)
Receiver
Indoor Unit
Remote Control Wiring
(Field Supply)
Grounding
wire Earth
Wireless Remote
Control Kit
Cross-wiring Remotes for Group
Control (Field Supply)
Wired Remote
Control
Grounding
wire Earth
1st Indoor
Unit
2nd Indoor
Unit
3rd Indoor
Unit
4th Indoor
Unit
(Main)
(Sub)
RCU: MAIN
RCU: SUB
8-11
SM830194-04_Single_BigPAC.indb 11 2014/10/31 13:30:51
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