Toshiba HWS-455XWHM3-E Installationshandbuch Seite 24

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
220-230 V ~ type
(3 kW type)
Input power
220-230 V
50 Hz
Leakage
breaker
30 mA
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.
23-EN
Backup heater
380-400 V 3N~
type
(6,9 kW type)
Input power
220-230 V
3N~ 50 Hz
Leakage
breaker
30 mA
L1 L2 L3 N
TB02
Outdoor unit to hydro unit electrical
connection
▼ Fig. 7-22
Input
Leakage
power
breaker
220-230 V
30 mA
~ 50 Hz
Leakage
Input
breaker
power
30 mA
380-400 V
3N~
50 Hz
• 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.
– 23 –
Installation Manual
L
N
L1
1 1
L2
2 2
L3
3 3
N
Outdoor unit Hydro unit