2 10 3
Overview of all the electrical connections
The wiring diagram for the hydraulic unit is shown in detail on
2 10 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 (single phase)
Electricity supply 230 V - 50 Hz
Model
Maxi. power absorbed
Cable connection
(phase, neutral, earth)
Curve D circuit
breaker size
Comfort 5
2530 W
3 x 2,5 mm²
20 A
Comfort 6
2875 W
Comfort 8
4025 W
3 x 4 mm²
25 A
Comfort 10
4255 W
• Interconnection between the outdoor unit and the hydraulic unit
The hydraulic unit is powered by the outdoor unit by means of a cable with 4 x 1,5 mm²
(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 tank.
Heat pump (HP)
Electrical back-ups
Power supply to the electrical back-ups
Model
Power
Nominal current
Cable connection
Curve C circuit
breaker size
Comfort
2 x 3 kW
26,1 A
3 x 6 mm²
32 A
bar
4
3
2
1
0
OK
ESC
figure 23 - Overall layout of the electrical connections for a simple installation (1 heating circuit)
Outdoor sensor
cable 2 x 0,75 mm²
Remote control (option)
cable 3 x 0,5 mm²
Room thermostat (option)
cable 2 x 0,5 mm²
Electric panel
Power supply to the electrical back-ups
(See table below)
General electrical supply
(See table below)
Interconnection between
the outdoor unit and the hydraulic unit :
Phase, Neutral, Earth, Communication bus
cable 4 x 1,5 mm²
Wireless remote control (option)
Wireless room thermostat (option)
or
or
or
"
Ensure that the general electrical power supply has been cut off before starting any repair work.
Installation and operating manual "1532 - EN"
- 25 -
Air to Water Heat Pump
