Connection Of Wiring - Fujitsu Airstage AUXB07GALH Manuel D'installation

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Strip 10 mm
Screw with
special washer
Cable
Ring terminal
Terminal block
Use ring terminals and tighten the terminal screws to the specifi ed torques, otherwise,
abnormal overheating may be produced and possibly cause heavy damage inside the
unit.
Tightening torque
M4 screw (Power supply /L, N, GND)
6.3.2. Transmission and Remote controller cable
Transmission cable
Shielded cable (no fi lm)
Remote controller cable
For 3-wire type
30 mm
• Connect remote controller and transmission cables as shown in Fig. C.
Fig. C
GOOD
Different diameter
Tighten the terminal screws to the specifi ed torques, otherwise, abnormal overheating
may be produced and possibly cause heavy damage inside the unit.
Tightening torque
M3 screw (Transmission /X1, X2)
(Remote controller /Y1, Y2, Y3)
To peel the fi lm from the lead cable, use a dedicated tool that will not damage the
conductor cable.
When installing a screw on the terminal block, do not cut the wire by overtightening the
screw. On the other hand, an undertightened screw can cause faulty contact, which will
lead to a communication failure.
9371022253-01_IM.indb Sec1:8
9371022253-01_IM.indb Sec1:8
Ring terminal
Sleeve
Screw with
special washer
Ring terminal
Cable
WARNING
1.2 to 1.8N•m (12 to 18 kgf•cm)
30 mm
40 mm
For 2-wire type
30 mm
PROHIBITED
Connect to 1 side
WARNING
0.5 to 0.6 N•m (5 to 6 kgf•cm)
CAUTION

6.4. Connection of wiring

(1) Remove the control box cover and install each connection cable.
Control box cover
Screw
(2) Connect the connection cable, with the cable tie.
CAUTION
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.
SW1
3WIRE
DIP switch (SW1)
2WIRE
For 2-wire type
Y1: Non-polar
Connect the remote
Y2: Non-polar
controller cable
Y3: Do not connect *1
Set the DIP switch (SW1)
2WIRE (Factory setting)
*1: If you connect the remote controller cable to the terminal Y3, 2-wire type
remote controller does not work.
Cable clamp
L, N:
Power supply cable
(3) Install control box cover.
CAUTION
Do not bundle the remote controller cable, or wire the remote controller cable in
parallel, with the indoor unit connection cable (to the outdoor unit) and the power
supply cable. It may cause erroneous operation.
Remote controller
cable
Cable tie (Medium)
(Accessories)
X1, X2:
Transmission cable
For 3-wire type
Y1: Red
Y2: White
Y3: Black
3WIRE
En-8
2012-7-12 14:34:43
2012-7-12 14:34:43

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