En-5
5.3. Connection of remote controller cable
CAUTION
When connecting the remote controller cable to the wall
•
mounted type indoor unit, do not connect it to the outdoor
unit or the indoor unit power terminal block. It may cause
a failure.
There are 2 methods to connect the remote controller cable
to the indoor unit. One is the connection using contained
connecting cable and the other is the connection the remote
controller cable is connected to the exclusive terminal block of
the indoor unit.
Exclusive terminal block for remote controller connection
method is different depending on each model. Modify the
remote controller cable as per below description and connect it.
(For the details, refer to the installation manual of the indoor
unit to be used.)
5.3.1. When connecting to the wall mounted type
connector
Connect the remote controller cable to the connecting cable
and insert it to the connector.
PCB
Connecting cable
Remote controller
cable
Indoor unit
Outdoor
unit /
power
supply
terminal
block
Connector
Modify the cable as per below methods.
(1) Use a tool to cut off the terminal on the end of the remote
controller cable and then remove the insulation from the cut
end of the cable as shown in Fig. 1.
(2) Connect the remote controller cable and connecting cable
as shown in Fig. 2.
(3) Be sure to insulate the connection between the cables.
Connecting
cable
Connector
Fig. 1
Fig. 2
White
Red
White
Red
Black
Black
Insulated
connection
Remote
controller cable
Remote
controller cable
20 mm
(13/16 in.)
5.3.2. When connecting to the exclusive terminal
block
Connect the end of remote controller cable directly to the
exclusive terminal block.
Terminal block
M4 screw
PCB
Indoor unit
Outdoor unit /
power supply
terminal block
Remote controller
terminal block
Remote controller
cable
It may be failed if it is connected to the outdoor unit or
the terminal block for power supply.
d
6. INSTALLATION METHODS
6.1. Group control
A number of indoor units can be operated at the same time
•
using a single remote controller.
Depending on the model, some indoor units cannot be
•
connected for group control. (Option is not available for
U.S.A. wall mounted type indoor unit.)
Some functions may become unusable, depending on the
•
combination of the indoor units that are connected in a
group.
(1) Wiring method (indoor unit to remote controller)
EXAMPLE: Single Type
Remote controller
Remote controller
cable
Indoor unit 0
Indoor unit 1
Indoor unit 2
Indoor unit 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
(2) Indoor unit address setting
Set each indoor unit address using the DIP switch of each
indoor unit.
(Refer to the installation manual for the indoor unit.)
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