En-8
]1
6.4. Wiring
Connect the end of the connection cable fully into the terminal block.
Wired remote controller
cable connection terminal
Wired remote
controller cable
L, N: Power
supply cable
Power supply
earth (ground)
cable
X1, X2:
Transmission
cable
Cable tie (Accessories)
10 mm
Earth (ground)
terminal for wired
remote controller
(if necessary)
1
6.5. External input and external output (Optional
parts)
Output terminal (CNB01)
SW4
SW3
SW2
SW1
DIP switch
(SET 2)
Apply voltage terminal
Dry contact
terminal
(CNA01)
(CNA04)
(CNA02)
(CNA03)
ON OFF
Controller PCB
(1) External input
• Indoor unit can be Operation/Stop, Emergency stop or Forced stop by using indoor unit
PCB CNA01 or CNA02.
• “Operation/Stop” mode, “Emergency stop” mode or “Forced stop” mode can be selected
with function setting of indoor unit.
• Indoor unit can be Forced thermostat off by using indoor unit PCB CNA03 or CNA04.
• A twisted pair cable (22 AWG) should be used. Maximum length of cable is 150 m.
• Use an external input and output cable with appropriate external dimension, depending
on the number of cables to be installed.
• The wire connection should be separate from the power cable line.
6.3.3. Remote controller cable
Remote controller cable modi
fi
cation.
(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.
20 mm
20 mm
For 3-wire type
For 2-wire type
(2) Connect the remote controller cable with connecting cable with solder.
IMPORTANT:
Be sure to insulate the connection between the cables.
For dual control or group control
For 3-wire type
Solder and insulate the connected parts.
Red
Red
White
Black
Remote controller cable
Connecting cable
(Accessories)
Black
White
For 2-wire type
Solder and insulate the connected parts.
Red
Connecting cable
(Accessories)
Remote controller
cable (non polar)
Cut and insulate
Black
White
(3) Connect the cable of wired remote controller unit to the connector of control unit, and
set the DIP switch (SW1).
CAUTION
When switching the DIP switch (SW1), be sure to turn off the power supply to the
indoor unit. Otherwise, the PC board of the indoor unit may be damaged.
For 2-wire type
For 3-wire type
Set the DIP switch (SW1)
2WIRE (Factory setting)
3WIRE
DIP switch
(SW1)
Connector
Connecting cable
(Accessories)
Wired remote
controller cables
9373370147-02_IM.indb 8
9373370147-02_IM.indb 8
1/21/2013 4:10:16 PM
1/21/2013 4:10:16 PM
