Wiring; Optional Parts Wiring - Fujitsu Airstage ASUA4TLAV2 Installation Manual

5.4. Wiring

(1) Open the intake grille. Refer to "8. FRONT
PANEL REMOVAL AND INSTALLATION".
(2) Remove the wire cover.
(3) Connect the end of the connection cable
fully into the terminal block.
(4) Remove the conduit holder.
(5) Fasten the indoor unit wire harness to the
conduit holder using the lock nut.
(6) Use the screws to install the conduit holder
provide with the indoor unit.
Symbol Connection cable
A L1 Power supply cable
B L2
C Earth (ground) for
power supply cable
D Earth (ground) for
transmission cable,
wired remote control-
ler cable (if neces-
sary) and EV kit cable
(EEV external model
only)
E X1 Transmission cable
F X2
G Y1 Wired remote control-
ler cable (nonpolar)
H Y2
Cable clamp
(Clamp only the power
supply cable)
(7) Fix the conduit with the supporters as shown below.
Conduit (Power supply cable)
Indoor unit
30 in
(756 mm)
or less

5.5. Optional parts wiring

In this setting, you need to remove the front panel. Refer to "8. FRONT PANEL REMOVAL
AND INSTALLATION".
5.5.1 Layout of the indoor unit PCB
Power indicator
lamp (green)
DIP switch
(SET 2)
ON OFF
SW2
CNA03
En-7
• Transmission cables
• Wired remote controller
cable and optional parts
cables (if necessary)
Lock nut
Screw
Conduit holder
Conduit connector
H
G
F
E
Y1 Y2
L1
C
X1 X2
D
Supporter
54 in 54 in
(1,361 mm) (1,361 mm) (1,361 mm)
or less or less
CNA04 CNA02
CNA01 CNB01 CN65
Name
CNA01
CNA03
CNA02
CNA04
DIP switch SET 2 (SW2)
Wire cover CNB01
CN65
CN820
*1: For details, refer to each installation manual.
5.5.2. Power indicator lamp status
Screw
Power indicator lamp (Green)
Lit
Fast blinking (every 0.1 sec-
ond)
Blinking (repeat 3 seconds ON
and 1 second OFF)
5.5.3. 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.
A
Wiring arrangement
B
In following figure, all the possible connectors are connected for description.
In actual installation, you cannot connect all the connectors at once.
(1) Hang the wire on the hooks.
L2
(2) After attaching the cover, push the wire into the gap.
Hooks
When replacing the control box cover,
be sure to attach the wire with the
54 in
screw.
or less
CN820
Apply voltage terminal
Dry contact terminal
Input signal type switching
Output terminal
For one of the following.
• Modbus® converter (*1)
• Wireless LAN adapter (*1)
For External power supply unit (*1)
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
purchased
Solder and insulate the connected parts.
Controller PCB
Connecting cables
Wire
Screw
Application
For external input
For external output
Status contents
Wire kit connector
(optional parts)
Cover
Control
box cover