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
Cable3x1.5to4mm² (depending on heat pump power)
Power supply to the electrical back-ups
Phase, Neutral, Earth
Cable3x2.5to6mm²
(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
2x1,5kW
13 A 3 x 2,5 mm² 16
095, 128, 155 2 x 3 kW
26,1 A
3x4mm²
3x6mm²
32
Outdoor sensor, ambient air sensor, remote control
Fortheroomthermostat,usea2x0.5mm²telephone type cable.
Fortheremotecontrol,usea3x0.5mm²telephone type cable.
For the outdoor sensor, usea2x0.75mm²cable.
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