AirStage ARXD024GLEH Panduan Instalasi - Halaman 12
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6.1.1. Cable specifications
Follow the specifi cations below for the power supply, transmission and remote controller
cable.
Recommended
cable size (mm
Power supply
2.5
cable
Transmission
0.33
cable
Remote
controller cable
0.33 to 1.25
(2-wire type)
*: Use shielded cable in accordance with local rules for remote controller cable.
6.2. Wiring method
Example
Outdoor unit or RB unit *1
Transmission
Indoor unit
Remote
Transmission
control
*2
Power supply
Breaker
*3
Power supply
Remote controller
(Master)
*1: When connecting to the Heat Recovery System, refer to the installation manual of the
RB unit.
*2: Earth (Ground) the remote controller if it has an earth (ground) cable.
*3: The 3-wire type remote controller is not used.
(Crossover wiring of power supply)
Indoor unit
Power supply
Pull box
Breaker
Power supply
* Earth (Ground) the remote controller if it has an earth (ground) wire.
Connect the earth (ground) wire of the remote controller to the earth (ground) terminal of
transmission.
6.3. Unit wiring
Before attaching the cable to terminal block.
6.3.1. Power supply cable
Adjust the length of power supply cable to avoid excessive tension with referring fi gure
below.
Earth (Ground)
cable
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 specifi ed 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 screwdriver 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 fi x 2 power supply cables with 1 screw.
En-11
Cable type
Remark
2
)
Type60245 IEC57
2 Cable + earth (ground)
or equivalent
22 AWG LEVEL 4 (NEMA)
LONWORKS
non-polar 2 core, twisted pair
compatible cable
solid core diameter 0.65 mm
Sheathed PVC
Non-polar 2 core, twisted pair
cable*
Indoor unit
*2
Breaker
Breaker
*3
Remote controller
Remote controller
(Slave)
Indoor unit
Indoor unit
Power supply
Power supply
Pull box
20 mm
30 mm
Strip 25 mm
Cable
When using solid core cables, do not use the 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.
B. For strand wiring
(1) Use ring terminals with insulating sleeves as shown in the fi gure 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.
Indoor unit
(3) Use the specifi ed 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.
*2
Do not use a screwdriver 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.
(6) See the table for the terminal screw tightening torques.
(7) Please do not fi x 2 power supply cables with 1 screw.
*3
Strip 10 mm
Cable
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.
M4 screw
(Power supply/L, N, GND)
6.3.2. Transmission and Remote controller cable
Transmission cable
Shield cable
(no film)
• Connect remote controller and transmission cables as shown in Fig. A.
Fig. A
GOOD
Screw with
special washer
Cable end (Loop)
Terminal block
WARNING
Ring terminal
Screw with
special washer
Ring terminal
Terminal block
WARNING
Tightening torque
1.2 to 1.8 N·m
(12 to 18 kgf·cm)
Remote controller cable
25 mm
40 mm
PROHIBITED
Diff erent diameter
Loop
Screw with
special washer
Cable end
(Loop)
Cable
Sleeve
Screw with
special washer
Ring
terminal
Cable
20 mm
Connect to 1 side