AirStage AGYA009GCAH Panduan Instalasi - Halaman 8

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A. Current breaker requirements

Model

MCA

MFA

AG*A004GCAH

0.16 A

AG*A007GCAH

0.17 A

AG*A009GCAH

0.18 A

AG*A012GCAH

0.22 A

AG*A014GCAH

0.28 A

20 A

AG*E004GCAH

0.16 A

AG*E007GCAH

0.17 A

AG*E009GCAH

0.18 A

AG*E012GCAH

0.22 A

AG*E014GCAH

0.28 A

B. Earth leakage breaker requirements

Maximum connect-

able "indoor units"

Breaker capacity

or "indoor units +

RB units" *1

30 mA, 0.1 sec or less

44 or less *2

100 mA, 0.1 sec or less

45 to 148

5.1.1 Cable speciﬁ cations

Recommended

cable size (mm²)

Power supply cable

2.5

Transmission cable

0.33

Remote controller

0.33 to 1.25

cable (2-wire type)

*1: Use shielded cable in accordance with local rules for remote controller cable.

5.2. Wiring method

Example

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

En-7

• MCA: Minimum Circuit Ampacity

• MFA: Maximum Fuse Ampacity

When the power crossover wiring is done, make

it so that the total of the MCA of the connected

RB units and indoor units does not exceed the 15

A. For RB unit MCA, refer to the RB unit instal-

lation manual.

If the capacity of connected RB units and indoor

units exceeds the upper limit, either add breakers

or use a breaker with a greater capacity.

*1: Heat pump type: indoor units,

Heat recovery type: indoor units

and RB units.

*2: If the total number of units con-

nected to the breaker exceeds 44,

either add a 30mA breaker, or use

breakers with a greater capacity.

Cable type

Remark

Type245 IEC57

2 Cable + earth (ground)

or equivalent

LONWORKS

22 AWG LEVEL 4 (NEMA)

compatible

non-polar 2 core, twisted pair

cable

solid core diameter 0.65 mm

Sheathed PVC

Non-polar 2 core, twisted

cable *1

pair

Indoor unit

Breaker

Remote controller

(Slave)

Indoor unit

Power supply

Pull box

5.3. Unit wiring

• Before attaching the cable to terminal block.

5.3.1 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 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 25 mm

Cable

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.

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-

Indoor unit

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.

(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

M4 screw (Power supply/L, N, GND)

25 mm

35 mm

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)

Loop

Screw with

special washer

Cable end (Loop)

Cable

Sleeve

Screw with

special washer

Ring terminal

Cable