E-
28
Wiring work (Continued)
Connection of the backup heater power supply
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)
NH080PHXEA
4
30
NH160PHXEA
6
40
DHW tank(200 or 300)
3
20
Circuit Breaker(ELCB, ELB, MCCB etc.)s written above are already included in the hydro unit.
N
L
N
L
N
L
ELCB
M/C
Back up
Heater 2
Back up
Heater 1
DHW Tank
N
L
N
L
N
L
ELCB
M/C
Booster heater ( DHW )
❈
ELCB : Earth leakage circuit breaker
ELB : Earth leakage breaker
MCCB : Molded case circuit breaker
NH080PHXEAHydro unit_IM_E 32659-1.indd 28
2010-07-28 ソタネト 8:59:37