Connection Of Wiring; Airfl Ow Changing - Fujitsu Airstage ARXC72GATH Manual De Instalación

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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, connection cable and
power supply cable with cable clamp.
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.
Connect the remote
controller cable
Set the DIP switch
DIP switch
(SW1)
(SW1)
*1: If you connect the remote controller cable to the terminal
Y3, 2-wire type remote controller does not work.
When installing a screw on the terminal board, 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.
En-9
9365748145-01_IM.indb Sec1:9 9365748145-01_IM.indb Sec1:9
Loosen the screws.
(2 locations)
CAUTION
Cable tie (Medium)
(Accessories)
Remote controller cable
Y1: Red
Y2: White
Y3: Black
X1, X2: Transmission cable
L, N: Power supply cable
Cable clamp
For 2-wire type For 3-wire type
Y1:Non-poler Y1:Red
Y2:Non-poler Y2:White
Y3:Do not connect *1 Y3:Black
2WIRE
3WIRE
(Factory setting)
CAUTION
] 1
6.5. Airfl ow changing
When apply external static pressure less than 150Pa (ARXC72) or 200Pa (ARXC90) on
the model, please follow the methods below to connect relay wire.
(1) Disconnect the PCB wire connector from Fan motor wire connector.
(2) Connect the Fan motor wire with Relay wire.
(3) Connect the PCB wire with Relay wire.
External Static
Relay wire
Pressure
ARXC72 : 50
to 150 Pa
1 PINK
ARXC90 : 100
2 PURPLE
to 200 Pa
3 BLUE
• Layout of circuit board
High Static Pressure mode : 150 to 300 Pa (ARXC72)
200 to 300 Pa (ARXC90)
(Factory setting)
Fan motor wire
Standard Static Pressure mode : 50 to 150 Pa (ARXC72)
100 to 200 Pa (ARXC90)
(Change setting)
Relay wire
Be sure to connect the wire with connector.
If connection is improper, it will not operate properly.
Remark
Accessories
(Standard
static pressure)
PCB wire
PCB wire
Fan motor wire
7/12/2012 11:09:13 AM 7/12/2012 11:09:13 AM