AirStage AGYE007GCAH Installationshandbuch - Seite 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
*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
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
*2
*2
Breaker
Breaker
*3
Remote controller
Remote controller
(Slave)
Indoor unit
Power supply
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
*3
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