Toshiba HWS-802XWHM3-E - Wiring Diagrams; Hydro Unit Wiring

4.HYDRO UNIT
Engineering Data book
20
4
2. , and indicates the terminal board and the numberals indicate the terminal numbers.
3. indicates P.C. board.
* Be sure to fix the electric parts cover surely with screws.
(Otherwise water enters into the box resulting in malfunction.)
4-4-2. Power line
1
2
3
1
2
3
1
2
1
2
L
N
L
N
TB03
TB01
L
N
TB02 TB02
N
L1
L1
L3
L2
Backup heater
230 V ~ (3 kW type)
Backup heater
400 V 3N ~ (6/9 kW type)
Input power
230 V ~
50 Hz
Input power
400 V 3N ~
50 Hz
Leakage breaker
30 mA
Leakage
breaker 30 mA
Hot water cylinder
Input power for
cylinder heater
230 V ~ 50 Hz
Leakage
breaker 30
mA
Hydro unitOutdoor unit
Leakage
breaker 30
mA
Input power
230 V ~ 50 Hz