External Protections - ECOFOREST ecoGEO Serie Manual De Instalador

2 kW L3
2 kW L2
2 kW L1
Figure 1.24. Example of single phase connection with 2kW, 4 kW or 6 kW.
If the power supply is three phase 3/N/PE 400 V / 50 Hz, the elements can be connected in star to obtain 6 kW.
6 kW

Do not connect the electrical resistance in delta; this could cause poor heat pump operation and/or
heat pump component breakdowns.
NOTE
Regardless of the connection method, the electrical resistance must be powered by an external automatic switch that can shut off
all the circuits.

5.4. External protections

It is equipped with a connector that can be connected to various types of external mechanical protections, such as flow switches,
pressure switches, thermostats, etc.
The ESS connector is used to connect these protections. The external protection devices are powered from the heat pump
connector and should have a cut-off capacity of at least 200mA/230Vac.
N
PE
L3
L2
L1
N
PE
Figure 1.25. Example of three phase connection with 6kW.
T2
T1
Figure 1.1. Connection scheme of the external protection devices.
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Installer manual ecoGEO