AirStage AUXK030GLAH Installation Manual - Page 8

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6.2. Wiring method

Outdoor unit or RB unit *1

Transmission

Indoor unit

Remote

Transmission

control

Power supply

Breaker

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

6.3. Unit wiring

• Before attaching the cable to terminal block.

6.3.1 Power supply cable

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 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 screwdriver that is too small, otherwise, the screw heads may be dam-

aged 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 25 mm

Screw with

special washer

Cable

Cable end (Loop)

Terminal block

Do not apply branch wiring. It may result electric shock or fire.

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.

En-7

Indoor unit

Breaker

Remote controller

(Slave)

Indoor unit

Power supply

Pull box

20 mm

30 mm

Loop

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

Indoor unit

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 fix 2 power supply cables with 1 screw.

Strip 10 mm

Cable

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.

Terminal number

M3.5 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. C.

Fig. C

GOOD

Tighten the terminal screws to the specified torques, otherwise, abnormal overheating

may be produced and possibly cause heavy damage inside the unit.

M3 screw (Transmission / X1, X2)

(Remote controller / Y1, Y2, Y3)

To peel the film 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.

Screw with

special washer

Ring terminal

Terminal block

WARNING

1.2 to 1.8 N·m (12 to 18 kgf·cm)

Remote controller cable

30 mm

45 mm

PROHIBITED

Different diameter

WARNING

Tightening torque

CAUTION

Ring terminal

Sleeve

Screw with

special washer

Ring terminal

Cable

Tightening torque

30 mm

Connect to 1 side

0.5 to 0.6 N·m

(5 to 6 kgf·cm)