Toshiba HWS-1403XWHM3-E - Page 22

4.HYDRO UNIT
Engineering Data book
21
4-4-2. Power line
Electrical connection to hydro unit
Outdoor unit to hydro unit electrical connection
L N L1 L2 L3 N L1 L2 L3
TB 20TB02TB02
Backup heater
220-230V 3~ type
(6kW type)
Input power
220-230V
3~ 50Hz
Leakage
breaker 30mA
Leakage
breaker 30mA
Leakage
breaker 30mA
Input power
220-230V 50Hz
Backup heater
220-230V ~ type
(3kW type)
Backup heater
380-400V 3N~ type
(6,9kW type)
Input power
220-230V
3N~ 50Hz
N
L
N
1
3
2
1
3
2
L1
L2
L3
TB01
1
2
3
1
2
3
1
2
1
2
L
N
TB03
TB01
Hot water cylinder
Input power for
cylinder heater
230 V ~ 50 Hz
Leakage
breaker 30
mA
Hydro unitOutdoor
unit
Leakage breaker
30mA
Input power
220-230V~ 50Hz
Input power
380-400V
3N~ 50Hz
Leakage breaker
30mA