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Idiomas disponibles
XT1
L
N
LPS
L N
OUTOOOR UNIT
POWER SUPPLY
1-phase
Stated values are maximum values (see electrical data for exact values).
The ground fault circuit interrupter must be a high-speed type breaker of 30 mA (<0.1 s).
9.7.5 Connection of the backup heater power supply(This section is intended only for models
that contain backup heater.)
Power circuit and cable requirements
Be sure to use a dedicated power circuit for the backup heater. Never use a power circuit shared by another appliance.
Use the same dedicated power supply for the unit, backup heater and booster heater (domestic hot water tank).
This power circuit must be protected with the required safety devices according to local laws and regulations.
Select the power cable in accordance with relevant local laws and regulations. For the maximum running current of the backup
heater, refer to the table below.
Door 2: electrical parts of the hydraulic compartment, backup heater: XT5（3-phase）/XT4(1-phase)
XT4
L
N
LPS
L N
POWER SUPPLY FOR ELECTRIC HEATER
The ground fault circuit interrupter must be a high-speed type breaker of 30 mA (<0.1 s).
XT1
L1
L2 L3
N
LPS
A
B
C N
OUTOOOR UNIT
POWER SUPPLY
3-phase
NOTE
CAUTION
L1 L2 L3
XT5
LPS
A
B
C
NOTE
133
1-phase
Unit(kW)
5/7/9
Maximum
20
overcurrent
protector(MOP)
Wiring size(mm
2
)
4
Backup heater capacity
Unit(kW)
1-phase
3
Backup heater
220-240VAC
nominal voltage
Minimum circuit
14.3
amps (MCA)
Maximum
overcurrent
20
protector(MOP)
Wiring size(mm
2
)
4
3-phase
12~16
12~16
30
15
6
4
3-phase
4.5
380-415VAC
6.0
10
2.5
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