Wiring; External Input And External Output (Optional Parts) - Fujitsu AirStage ASHA18GATH Installation Manual

6.3.3. Remote controller cable
Remote controller cable modifi 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.
For 2-wire type
20 mm
(2) Connect the remote controller cable with connecting cable with solder.
IMPORTANT: Be sure to insulate the connection between the cables.
For 2-wire type
Solder and insulate the connected parts.
Remote controller
cable (non polar)
Cut and insulate
For 3-wire type
Solder and insulate the connected parts.
Red
White
Black
Remote controller cable
For dual control or group control
(3) Connect the cable of wired remote controller unit to the connector of control unit, and
set the DIP switch (SW1).
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.
Set the DIP switch (SW1) 2WIRE (Factory setting)
DIP switch
(SW1)
Connector
Connecting cable
(Accessories)
For 3-wire type
White
Red
Black Connecting cable
(Accessories)
White
Red
Black
Connecting cable
(Accessories)
CAUTION
For 2-wire type For 3-wire type
3WIRE
Wired remote
controller cables

6.4. Wiring

Connect the end of the connection cable fully into the terminal block.
20 mm
L, N: Power
supply cable
Power supply
earth (ground)
cable
Cable tie (Accessories)
6.5. External input and external output (Optional
parts)
Output terminal (CNB01)
DIP switch
(SET 2)
ON OFF
SW4
SW3
SW2
SW1
Apply voltage terminal
(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.
Wired remote controller
cable connection terminal
Wired remote
controller cable
X1, X2:
Transmission
cable
Earth (ground)
terminal for wired
remote controller
(if necessary)
Controller PCB
Dry contact
terminal
(CNA04)
(CNA02)
(CNA03)
(CNA01)
En-8