Installation and operating manual “1350-EN”
25
Heat pump, Split, single service
Interconnection between the external unit
and the hydraulic module
Phase, Neutral, Earth, Communication bus
Cable 4 x 1.5 mm²
General electrical supply
Phase, Neutral, Earth
Cable 3 x 1.5 to 4 mm² (depending on heat pump power)
Power supply to the electrical back-ups
Phase, Neutral, Earth
Cable 3 x 2.5 to 6 mm²
(depending on heat pump power)
Room thermostat
(option)
cable 2 x 0.5 mm²
Outdoor sensor
Cable 2 x 0.75 mm²
Electric panel
Remote control (option) :
cable 3 x 0.5 mm²
Figure 31 - Overall layout of the electrical connections for a simple installation (1 heating circuit)
2.9.3
Overview of all the electrical connections
The wiring diagram for the hydraulic module is shown in detail on page 56.
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 outside unit
Heat pump
Electricity supply
230 V - 50 Hz
Model
Power absorbed
Cable connection
(Phase, Neutral, Earth)
Curve D circuit breaker
size (A)
050, 065
1860 W
3 x 1,5 mm²
16
080
2210 W
3 x 2,5 mm²
16
095
2680 W
3 x 2,5 mm²
20
128
3770 W
3 x 4 mm²
25
155
4700 W
3 x 4 mm²
32
Interconnection between the outside unit and the hydraulic module
. The hydraulic module is powered by
the outside 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 module contains two stages of electrical back-ups installed in a heat exchange cylinder.
Heat pump
Electric back-ups
Power supply to the electrical back-ups
Model
Power
Nominal intensity
Cable connection
(Phase, Neutral, Earth)
Curve C circuit breaker
size (A)
050, 065, 080
2 x 1,5 kW
13 A
3 x 2,5 mm²
16
095, 128, 155
2 x 3 kW
26,1 A
3 x 4 mm²
3 x 6 mm²
32
Outdoor sensor, ambient air sensor, remote control
For the room thermostat, use a 2 x 0.5 mm² telephone type cable.
For the remote control, use a 3 x 0.5 mm² telephone type cable.
For the outdoor sensor, use a 2 x 0.75 mm² cable.
