Connection Of Wiring; External Input And External Output (Optional Parts) - Fujitsu AIRSTAGE ABUA30TLAV Installation Manual

6.3.2. Transmission and Remote controller cable
Transmission cable
1-3/16 in. (30 mm)
Shielded cable
1-9/16 in. (40 mm)
(no fi lm)
Remote controller cable
For 3-wire type
1-3/16 in. (30 mm)
Y1
Y2
1-9/16 in. (40 mm)
Y3
• When the 2 cables are attached:
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 cable by overtightening
the screw. On the other hand, an undertightened screw can cause faulty contact, which
will lead to a communication failure.
] 1 1

6.4. Connection of wiring

(1) Remove the 2 tapping screws and pull the control box downward.
Indoor unit
Tapping screw
(2) Remove the cover A and B. And install the connection cable.
For 2-wire type
1-3/16 in. (30 mm)
PROHIBITED
Connect to 1 side
WARNING
4.4 to 5.3 lbf·in
(0.5 to 0.6 N·m)
CAUTION
Control box
Control box
Cover B
Cover A
(3) After wiring is complete, clamp the power supply cable with the cable binder (Acces-
sories).
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.
Earth (Ground)
Conduit (L1, L2 (N):
Power supply cable)
Lock nut
Y1,Y2,Y3:
Remote controller cable
Connect
the remote
controller cable
Set the DIP
DIP switch
switch (SW1)
(SW1)
*1: If you connect the remote controller cable to the terminal
Y3, 2-wire type remote controller does not work.
• Fix the conduit with the supporters as shown below.
Conduit (Power supply cable)
Indoor unit
30 in. 54 in.
(756 mm) (1,361 mm)
or less or less
] 1 ] 1
6.5. External input and external output (Optional
parts)
Do not operate any switches other than prescribed, as it can cause the unit to operate
improperly or malfunction.
Use an insulated screwdriver to set the DIP switches.
Controller PCB Output terminal (CNB01)
CAUTION
X1, X2:
Transmission
cable
Cable tie (Medium)
(Accessories)
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)
Supporter
54 in. 54 in.
(1,361 mm) (1,361 mm)
or less or less
CAUTION
Apply voltage terminal
(CNA03)
(CNA01)
Dry contact terminal
(CNA02)
(CNA04)
DIP switch
(SET 2)
En-10