Connection Of Wiring; Optional Parts Wiring - Fujitsu Airstage ARUM24TLAV2 Installation Manual

6.4. Connection of wiring

(1) Remove the control box cover and install each connection cable.
(2) After wiring is complete, secure the remote controller cable, connection cable, and
power cable with the cable clamps.
Power supply cable
(locally purchased)
Conduit
(L1, L2 (N) : Power supply cable)
GND
Lock nut
• Fix the conduit with the supporters as shown below.
Conduit (power supply cable)
Indoor unit
30 in
(756 mm)
or less
En-9
Control box cover
Screw
Remote controller
cable, Transmis-
sion cable
Cable tie (medium) (locally purchased)
(accessories)
Y1, Y2: Remote
controller cable
X1, X2: Transmission cable
Cable tie (medium)
(accessories)
Supporter
54 in 54 in 54 in
(1,361 mm) (1,361 mm) (1,361 mm)
or less or less or less

6.5. Optional parts wiring

6.5.1. Layout of the indoor unit PCB
Power supply PCB
CN106
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)
CNA05 For Drain pump unit (*1)
CN106
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
Fast flashing (every 0.1
second)
Blinking (repeat 3 seconds ON
and 1 second OFF)
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.
Controller PCB
CNB01 CNA01 CNA03
CNA02
CNA04
CN48
CN8
CNA05
CN65 CN820
DIP switch
(SET 2)
Application
For external input
For external output
Status contents
Lit when the power is turned on.
There is a fault with the communication board or the
main board.
The indoor unit is turned off and power is supplied
from the External power supply unit (optional) to the
indoor unit PCB.
IMPORTANT:
Be sure to insulate the connection between the
wires.
Locally Wire kit connector
purchased (optional parts)
Solder and insulate the connected parts.
Power indicator
lamp (green)