Toshiba ESTIA HWS-802XWHM3-E Manuel D'installation page 24

Hydro Unit
Description
Defrost Output
▼ Input line specifications
Description
Emergency stop control
Cylinder thermostat input
Cooling thermostat input
Heating thermostat input
Earthing arrangements
The Hydro Unit and related equipment must be earthed in accordance with your local and national electrical regulations.
It is essential that the equipment is earthed to prevent the electric shock and damage to the equipment.
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.
Single Phase Units: Live conductor – Terminal L1
Three Phase Units: Phase 1 conductor – Terminal L1
• 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.
Outdoor unit to hydro unit electrical connection
▼ Fig. 7-22
Input power
230 V~,
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.
23-EN
Maximum
Output
current
0.5 A
Non-voltage
contacts
1 A
Input
Non-voltage
Non-voltage
Non-voltage
Non-voltage
Neutral conductor – Terminal L2
Earth conductor – Earth terminal
Phase 2 conductor – Terminal L2
Phase 3 conductor – Terminal L3
Neutral conductor – Terminal N
Earth conductor – Earth Terminal
(Main circuit)
L
N
Outdoor unit
Earth Earth
Leakage
breaker
Max Maximum
voltage length
AC230 V 12 m
DC24 V 12 m
CAUTION
(Hydro/outdoor
connecting wires)
Hydro Unit: Terminal 01
1 1
2 2
3 3
Remote controller
Hydro unit
Earth
Earth
– 24 –
Installation Manual
Maximum length
12 m
12 m
12 m
12 m