Toshiba Estia HWS-803H-E Manuel D'installation page 20

Air to Water Heat Pump
Wiring between Hydro Unit and Outdoor Unit
The dashed lines show on-site wiring.
Connect the indoor/outdoor connecting wires to the identical terminal numbers on the terminal block of each unit.
Incorrect connection may cause a failure.
HWS-803H-E
HWS-1103H-E
HWS-1403H-E
HWS-1103H8-E, H8R-E
HWS-1403H8-E, H8R-E
HWS-1603H8-E, H8R-E
For the air to water heat pump, connect a power wire with the following specifications.
Model HWS-
Power supply
Maximum running current
Recommended field fuse
Power supply wire*
Hydro/outdoor connecting wires*
* Number of wire × wire size
19-EN
Input power
220-230V ~,50Hz
Input power
380-400V 3N~,50Hz
803H-E
19.2A
20A
3 × 2.5 mm
(H07 RN-F or 60245 IEC 66)
Outdoor unit
1
L
2
N
3
Leakage breaker
Outdoor unit
L1
1
L2
2
L3
3
N
Leakage breaker
1103H-E 1403H-E
220-230V ~
50 Hz
22.8A
25A
2
or more
4 × 1.5 mm
(H07 RN-F or 60245 IEC 66)
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Installation Manual
Hydro unit
1
2
3
Hydro unit
1
2
3
1103H8-E 1403H8-E
1103H8R-E 1403H8R-E
380-400V 3N~
50 Hz
14.6A
16A
2
5 × 2.5 mm
or more
(H07 RN-F or 60245 IEC 66)
2
or more
1603H8-E
1603H8R-E