Connection Of Wiring - Fujitsu AIRSTAGE ARXD07GALH Manual De Instalación

(5) Do not tighten the terminal screws too much, otherwise, the screws may break.
(6) See the table for the terminal screw tightening torques.
(7) Please do not fi x 2 power supply cables with 1 screw.
Strip 10 mm
Screw with spe-
cial 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
20 mm
• Connect remote controller and transmission cables as shown in Fig. A.
Fig. A
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.
Terminal number
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 cable by overtightening
the screw. On the other hand, an undertightened screw can cause faulty contact, which
will lead to a communication failure.
9374342273-01_IM.indb Sec1:12 9374342273-01_IM.indb Sec1:12
Ring terminal
Sleeve
Screw with
special washer
Ring
terminal
Cable
WARNING
1.2 to 1.8 N·m
(12 to 18 kgf·cm)
25 mm
40 mm
For 2-wire type
20 mm
PROHIBITED
Connect to 1 side
WARNING
Tightening torque
0.5 to 0.6 N·m
(5 to 6 kgf·cm)
CAUTION

6.4. Connection of wiring

(1) Remove the cover.
(2) Connect the connection cable.
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.
Connect the remote
controller cable
DIP switch
Set the DIP switch
(SW1)
(SW1)
*1: If you connect the remote controller cable to the terminal
Y3, 2-wire type remote controller does not work.
Power supply
cable
Avoid touching the ceiling with the wiring
Ceiling
Do not bind the power supply cable and other cables together.
Cover
Screw
Remote controller cable
Y1: Red
Y2: White
Y3: Black
X1, X2: Transmission cable
GND
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)
Cable tie (Medium)
(Accessories)
Avoid covering the air
inlet with the wiring.
En-12
7/12/2012 10:19:39 AM 7/12/2012 10:19:39 AM