Eco EASYPELL EPA 09, Installation Manual, Page: 28 / 64

7.8 Electrical connection
CAUTION
Risk of electric shock or electrocution.
Make sure that all electrical circuits are switched off before installing the heat pump.
CAUTION
Wiring faults can lead to improper and dangerous operation.
Label all cables before disconnecting cables from the heat pump.
▶
Check for proper operation after maintenance.
Power supply
1
.
A supply voltage that is too low or too high can cause damage and/or lead to
unstable operation.
2
.
The operating voltage range should be within ±10 % of the rated voltage, install a
voltage regulator if your grid supply value is different.
3
.
Ensure that the cable specifications meet the requirements of the respective
installation. The distance between the installation location and the power supply
affects the cross-section of the cables.
4
.
In case of 3-phase unit the phase sequence does not interfer with the rotating
direction.
NOTICE
Minimum cross-section of the connection cable
For a connection cable length of < 10m, the minimum cross-section is 4mm² (EPA 9,
EPA 12) or 2.5mm² (EPA 12T).
Grounding and overcurrent protection
To avoid electric shock to the appliance in the event of a fault, install the heat pump in
accordance with local electrical standards.
1
.
Do not interrupt the power supply to the heat pump frequently, as this can lead
to a shorter service life.
2
.
When installing the overcurrent protection, ensure that the correct amperage for
this purpose is maintained.
3
.
If an additional auxiliary heater is to be controlled by the heat pump controller, a
suitable relay must control the auxiliary heater.
28 7 Installation
Installation Manual