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32
Wiring work
INS
TALLA
TION
English
Connection of the backup heater power supply
CAUTION
•
Do not use a power supply shared by other appliances. Each components for outdoor unit, indoor unit, backup heater and
booster heater has the dedicated power supply.
Model
Heater capacity (kW)
ELCB capacity (A)
AE090MNYDEH
4
30
AE160MNYDEH
6
40
AE090MNYDGH
6
20
AE160MNYDGH
6
20
∗ Circuit breakers (ELCB, ELB, MCCB etc.)s written above are already included in the hydro unit.
ELCB : Earth leakage circuit breaker
ELB : Earth leakage breaker
MCCB : Molded case circuit breaker
1 phase
3 phase
Booster heater (DHW)
N
L
N
L
N
L
Back up
Heater 2
Back up
Heater 1
2Step control
[Back-Up Heater Operation]
– Y-Connection : 2kW
– -Connection : 6kW
[T/B]
– Main Power :
Label-R, S, T, N
Main MC
△-Connection
Y-Connection
N
L
N
L
N
L
DHW Tank