Toshiba Estia HWS-803XWHM3-E Manuel D'installation page 22

Hydro Unit
Electrical connection to hydro unit
• Remove the front cover and the electrical box cover
from the Hydro Unit.
• The Hydro Unit power cable must be sized in
accordance with refer to "Electrical supply/cable
specifications".
• Connect the Hydro Unit power cable to Terminal 02
as shown below.
▼ Fig. 7-21
Backup heater
220-230V ~ type
(3kW type)
Input power
220-230V
50Hz
Leakage
breaker
30mA
L N
TB02
• Ensure the Hydro Unit power cable is secured using
the cable clamp fitted in the electrical box.
• Ensure the Hydro Unit power cable connection
terminals are tight.
21-EN
Backup heater
Backup heater
220-230V 3~
380-400V 3N~
type
type
(6kW type)
(6,9kW type)
Input power
Input power
220-230V 3N~ 220-230V 3~
50Hz 50Hz
Leakage
Leakage
breaker
breaker
30mA
30mA
L1 L2 L3 N L1 L2 L3
TB02 TB 2 0
Outdoor unit to hydro unit electrical
connection
▼ Fig. 7-22
Input
Leakage
power
breaker
220-
30mA
230V~
50Hz
Leakage
Input
breaker
power
30mA
380-
400V
3N~
50Hz
• Ensure electrical circuits are isolated before
commencing work.
• The Outdoor Unit to Hydro Unit interconnecting
cable must be sized in accordance with refer to
"Electrical supply/cable specifications".
• Connect the Outdoor Unit to Hydro Unit
interconnecting cable as shown in the diagram
above.
• Ensure the Outdoor Unit to Hydro Unit
interconnecting cable is secured using the cable
clamp fitted in the electrical box.
• Ensure the Outdoor Unit to Hydro Unit
interconnecting cable connection terminals are tight.
– 22 –
Installation Manual
L
N
L1
1 1
L2
2 2
L3
3 3
N
Outdoor unit Hydro unit