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INSTALLATION
z Connection Pattern
NOTE: Connection pattern is different according to type of Indoor unit.
Indoor unit types
All Cassette type
All Duct type
All Ceiling type
Wall Mounted type
z Pattern A
Connect the end of remote controller cable directly to the exclusive terminal block.
Set the DIP switch (SW1) to "3WIRE" on the PCB of the indoor unit.
Terminal block
Functional earthing
Red
(If necessary)
Remote controller
White
cable
Black
* Layout of terminal block and
PCB is varies, depending
on the type of indoor unit.
NOTE: The equipment may fail if it is connected to the outdoor unit or the power supply
terminal block.
z Pattern B
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. Connect the remote controller
cable and connecting cable as shown in Fig. 2. Be sure to insulate the connection between
the cables.
F
g i
1 .
F
g i
13/16 in. (20 mm)
Insulated
connection
Remote
controller cable
2) Connect the remote controller cable to the connecting cable, and insert it to the connector.
Set the DIP switch (SW1) to "3WIRE" on the PCB of the indoor unit.
Set to "3WIRE" the
DIP switch (SW1)
Connect to earth
Functional earthing
(ground) screw
(If necessary)
Remote controller
cable
Connecting cable
* Layout of Connector and PCB varies, depending on the
type of indoor unit
SW1
Connector
(adapter)
Indoor unit
PCB
Connection Pattern
Pattern A
Pattern B
Indoor unit
PCB
Set to "3WIRE" the
DIP switch (SW1)
2 .
White
Connecting
cable
Red
Black
Indoor unit
PCB
Connector CNC01
(onboard)
- (05 - 67) -
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