Overview Of All The Electrical Connections; Cable Section And Protection Rating - Waterstage WS*K160DA9 Installation And Operating Manual

Split system (3-phase)

2 9 3 Overview of all the electrical connections

The wiring diagram for the hydraulic unit is shown in detail on
Outdoor sensor :
cable 2 x 0,75 mm²
Interconnection between the outdoor unit
and the hydraulic unit
Phase, neutral, earth, communication
cable 4 x 1,5 mm²
Figure 30 - Overall layout of the electrical connections for a simple installation (1 heating circuit)

2 9 4 Cable section and protection rating

The cable sections are given for information purposes only and do not exempt the installer from checking that these
sections correspond to the requirements and comply with the prevailing standards.
• Power supply to outdoor unit
Heat pump
Model
112
140
160
• Interconnection between the outdoor unit and the hydraulic unit. The hydraulic unit is powered by the outdoor
unit by means of a 4 x 1,5 mm² cable (Phase, Neutral, Earth, Communication bus).
• Power supply to the electrical back-ups
The hydraulic unit contains two stages of electrical back-ups installed in a heat exchange cylinder.
Electric back-ups
Power
WS*K160DA9
9 kW
• Outdoor sensor, room thermostat and room control unit
For the outdoor sensor, use a 2 x 0,75 mm² cable.
For the room thermostat, use a 2 x 0,5 mm² telephone type cable.
For the room control unit, use a 3 x 0,5 mm² telephone type cable.
Installation and operating manual "1364 - EN"
General electrical supply :
(See table)
Maximal power
5865 W
6555 W
7245 W
Nominal intensity
13 A
figure 46, page 51
Room control unit (option) :
Room thermostat (option) :
cable 2 x 0,5 mm²
Power supply to the electrical back-ups
(See table)
Electric panel
Electricity supply 400 V - 50 Hz
Cable connection
(3 Phase, Neutral, Earth)
5 x 2,5 mm²
Power supply to the electrical back-ups
Cable connection
(3 Phase, Earth)
4 x 2,5 mm²
cable 3 x 0,5 mm²
Curve D circuit breaker size
20 A
Curve C circuit breaker size
20 A
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