Optional Kit Installation; Installation Work - Fujitsu ASU12RLS3 Installation Instructions Manual

10. OPTIONAL KIT INSTALLATION

This air conditioner can be connected with the following optional kits.
• Wired remote controller
• Simple remote controller
• External connect kit
Before installing wired remote controller
10.1.
• When you use wired remote controller, some functions may not be used.
• Before installing, be sure to disconnect all power supply.
• Don't touch the heat exchanger.
• During installing or removing operation, be sure not to have wire caught by parts or
draw it hard. Or it may result troubles to the air-conditioner.
• Avoid place in direct sunlight.
• Select place that will not be affected by the heat from a stove, etc
• Before setting up the optional kit, please confi rm whether air-conditioner can receive
the signal.
• Do not connect the wired remote controller to the terminal for power supply.
• When connecting the wired remote controller with the indoor unit, use the connecting
cable (supplied with wired remote controller or simple remote controller).
• Recommended cable length of wired remote controller is 32 ft. (10 m). Make sure to
do insulate of connecting part when extended the cable.
Do not connect power supply with the terminal.
INDOOR UNIT
TERMINAL

INSTALLATION WORK

11.
11.1. Accessories (Communication kit)
The following installation accessories are supplied. Use them as required.
Name and Shape
Relay control board
Cable tie
Relay wire
Wiring label
11.2. Installation work
11.2.1. Removing intake grille and front panel
(See "9. FRONT PANEL REMOVAL AND INSTALLATION" and "9.1. Front panel removal")
11.2.2. Removing control cover
Screw 1
Screw 2
Control cover
Remove the screw 1 and 2, then remove the control cover.
En-8
CAUTION
PCB
Q'ty Description
For connecting the
wired remote control
unit and external
connect wire.
1
For fi xing the wires
from control box.
1
For connecting the
relay control board and
1
control unit board.
For displaying the additional
wiring diagram.
1
Control box
11.2.3. Installing relay control board and relay wire terminal
Clasp
Notice *2.
Connector (CND01)
(1) Insert the relay control board toward 2 clasps.
(2) Then set the board with the clasp.
(3) Connect the relay wire terminal to the connector (CND01) on the relay control board.
(4) Connect the relay wire terminal to the connector (CN2) on the control unit board.
Be careful not to damage the parts on the board.
Otherwise, it will cause malfunction.
11.2.4. Installing optional kits
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.
(2) Connect the remote controller cable and connecting cable.
(Supplied with wired remote controller.)
Important: Be sure to insulate the connection between the cables.
Remote
controller cable
Remote
controller cable
Installing the wired remote controller terminal (sold separately)
Connect the wired remote controller terminal to the connector (CNC01) on the relay con-
trol board.
Connector : CNC01
Installing the external connect kit terminal (sold separately)
Connect the wire of external input/output to the board of external connect kit.
(
EXTERNAL INPUT CONNECT TO NO. CNA01
EXTERNAL OUTPUT CONNECT TO NO. CNB01, CNB02
Control unit board
Connector (CN2)
Relay wire
Clasps
Relay control board
*2. Notice the installing direction
of the relay control board. (The
elevation of the control box is fit
for the recess of the relay con-
trol board.)
CAUTION
Connector
White
Red
Black
White
Red
Insulated
connection
Black
Relay wire
Rib
Wired remote controller cable
)