Connection Of Wiring; Optional Parts Wiring - Fujitsu AIRSTAGE ARXC036GTEH Installation Manual

6.4. Connection of wiring

(1) Remove the control box cover and install each connection cable.
(2) After wiring is complete, clamp the remote controller cable, transmission cable and
power supply cable with cable tie.
Cable tie (Medium) (accessories)
Earth
(ground)
When installing a screw on the terminal block, do not cut the cable by overtightening
the screw. On the other hand, an undertightened screw can cause faulty contact,
which will lead to a communication failure.
(3) Attach the control box cover.

6.5. Optional parts wiring

6.5.1. Layout of the indoor unit PCB
CNA01 CNA03
CNB01
CN48
DIP switch
(SET 2)
Cover box
Loosen the screws.
(2 locations)
Y1, Y2:
Remote controller
cable
X1, X2:
Transmission cable
L, N:
Power supply cable
Cable clamp
CAUTION
CNA02
CNA04
CN8
Power indicator
lamp (green)
CN65 CN820
Name
Power indicator Indicates the state of the power supply. Refer to "Power indicator
lamp (green) lamp status" following.
CNA01 Apply voltage terminal
CNA03
CNA02 Dry contact terminal
CNA04
DIP switch SET 2 Input signal type switching
(SW2)
CNB01 Output terminal
CN8 For Remote sensor unit (*1)
CN48 For IR receiver unit (*1)
CN65 For one of the following.
• MODBUS® convertor (*1)
• Wireless LAN adapter (*1)
CN820 For External power supply unit (*1)
*1: For details, refer to each installation manual.
6.5.2. Power indicator lamp status
Power indicator lamp (Green)
Lit Lit when the power is turned on.
There is a fault with the communication board or the
Fast flashing (every 0.1
main board.
second)
The indoor unit is turned off and power is supplied
Blinking (repeat 3 seconds ON
from the External power supply unit (optional) to the
and 1 second OFF)
indoor unit PCB.
6.5.3. Connection methods
Wire modification for External
input/output wire
(1) Remove insulation from wire at-
tached to wire kit connector.
(2) Remove insulation from field
supplied cable. Use crimp type
insulated butt connector to join field
cable and wire kit wire.
(3) Connect the wire with connecting
wire with solder.
Wiring arrangement
In following figure, all the possible connectors are connected for description.
In actual installation, you cannot connect all the connectors at once.
EMI core (accessory of
the IR receiver unit)
Application
For external input
For external outnput
Status contents
IMPORTANT:
Be sure to insulate the connection between the
wires.
Locally Wire kit connector
purchased (optional parts)
Solder and insulate the connected parts.
Cable clamp
Cable tie
(locally purchased)
En-8