AirStage ASUB36TLAV1 Посібник з монтажу - Сторінка 8
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Друкувати сторінку5.2. Wiring method
Example
Outdoor unit or RB unit *1
Transmission
Indoor unit
Remote
Transmission
control
Power supply
Breaker 2
Breaker 1
*2
Remote controller
(Master)
Power supply
*1: When connecting to the Heat Recovery System, refer to the installation manual of the
RB unit.
*2: The 3-wire type remote controller is not used.
(Crossover wiring of power supply)
Indoor unit
Power supply
Pull box
Breaker 2
Breaker 1
5.3. Unit wiring
• Before attaching the cable to terminal block.
5.3.1 Power supply cable
Earth
(ground) cable
4/7/9 model
30/36 model
A. For solid core wiring
(1) To connect the electrical terminal, follow the below diagram and connect after looping
it around the end of the cable.
(2) Use the specified cables, connect them securely, and fasten them so that there is no
stress placed on the terminals.
(3) Use an appropriate screwdriver to tighten the terminal screws. Do not use a screw-
driver that is too small, otherwise, the screw heads may be damaged and prevent the
screws from being properly tightened.
(4) Do not tighten the terminal screws too much, otherwise, the screws may break.
(5) See the table for the terminal screw tightening torques.
(6) Please do not fix 2 power supply cables with 1 screw.
Strip 1 in
(25 mm)
Screw with
special washer
Cable
Cable end (Loop)
Terminal block
When using solid core cables, do not use the attached ring terminal. If you use the solid
core cables with the ring terminal, the ring terminal's pressure bonding may malfunction
and cause the cables to abnormally heat up.
En-7
Breaker 1: Ground Fault Equipment
Breaker (GFEB)
Breaker 2: Maximum Circuit Breaker
(MAX. CKT. BKR)
Indoor unit
Breaker 2
Breaker 2
Breaker 1
Breaker 1
*2
Remote controller
(Slave)
Indoor unit
Power supply
Power supply
Pull box
: Disconnect switch
Power supply
Conduit connector
A
B
Conduit holder
A [in (mm)]
B [in (mm)]
7-7/8 (200)
8-1/4 (210)
9-7/16 (240)
10-1/4 (260)
Screw with
special washer
Cable end (Loop)
Cable
WARNING
B. For strand wiring
(1) Use ring terminals with insulating sleeves as shown in the figure below to connect to
the terminal block.
(2) Securely clamp the ring terminals to the cables using an appropriate tool so that the
cables do not come loose.
(3) Use the specified cables, connect them securely, and fasten them so that there is no
stress placed on the terminals.
(4) Use an appropriate screwdriver to tighten the terminal screws. Do not use a screw-
driver that is too small, otherwise, the screw heads may be damaged and prevent the
screws from being properly tightened.
(5) Do not tighten the terminal screws too much, otherwise, the screws may break.
Indoor unit
(6) See the table for the terminal screw tightening torques.
(7) Please do not fix 2 power supply cables with 1 screw.
Strip 3/8 in
(10 mm)
*2
Remote
Cable
controller
Indoor unit
Use ring terminals and tighten the terminal screws to the specified torques, otherwise,
abnormal overheating may be produced and possibly cause heavy damage inside the
unit.
M4 screw (Power supply/L1, L2(N), GND)
5.3.2 Transmission and Remote controller cable
Transmission cable
Shield
cable
(no film)
• Connect remote controller and transmission cables as shown in figure below.
GOOD
Tighten the terminal screws to the specified torques, otherwise, abnormal overheating
may be occurred and possibly cause serious damage inside the unit.
M3 screw (Transmission /X1, X2)
(Remote controller /Y1, Y2)
To peel the sheath 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
Loop
screw. On the other hand, an under tightened screw can cause faulty contact, which will
lead to a communication failure.
Screw with
special washer
Ring terminal
Terminal block
WARNING
Terminal number
13/16 in (20 mm)
1-3/8 in
(35 mm)
PROHIBITED
Different diameter
WARNING
Terminal number
CAUTION
Ring terminal
Sleeve
Screw with
special washer
Ring terminal
Cable
Tightening torque
11 to 16 lbf·in (1.2 to 1.8 N·m)
Remote controller cable
13/16 in (20 mm)
Connect to 1 side
Tightening torque
4.4 to 5.3 Ibf·in (0.5 to 0.6 N·m)