10
1.8 Electrical Connection
Important – although the heat pump is electrically isolated from the rest of the unit, this only
prevents the passage of water to or from the pool water. It is still necessary to ground the unit
to protect yourself from short circuits inside the unit. Make sure there is an adequate ground
connection.
Check if the voltage of the electrical mains corresponds with the operating voltage of the heat
pump prior to connecting the unit.
It is recommended to use a separate fuse (slow-type D-curve) as well as adequate wiring (see
table below).
For horizontal models: remove the panel on the right of the fan opening.
For vertical models: remove the curved panel on the front side.
Connect the terminal wires with the terminal block labelled ‘Power Supply’. Next to this
connection there is a second terminal block labelled ‘Water Pump’, to which the filter pump
(max 5A / 240V) can be connected. This connection makes it possible to control the filter
pump operation with the heat pump. See the Parameter Setting Table below (Parameter 9) for
other possibilities.
Remarks: for models with 3 phases, switching 2 phases may cause an inversion of the
rotational direction of the electrical motors, which could damage the unit. Therefore, a
protection device has been built in, which will interrupt the circuit if the connection has not
been carried out correctly.
Model Voltage
(volt)
Fuse
T3/ slow blow
(A)
Nominal
current
(A)
Cable diameter (mm
2
)
(for max. Length of 20
meters)
P5/ PC6 220 - 240 10 3.9 2x2.5 mm
2
+ Ground
P6/ PC8/ AC6P 220 - 240 10 4.55 2x2.5 mm
2
+ Ground
P8/ PC10/ AC10P 220 - 240 16/ 13 6.64 2x2.5 mm
2
+ Ground
P10/ PC13/ AC13P 220 - 240 16/ 13 7.87 2x2.5 mm
2
+ Ground
P13/ PC15/ AC15P 220 - 240 16/ 13 9.78 2x2.5 mm
2
+ Ground
P15/ PC17/ AC17P 220 - 240 20/ 16 11.03 2x2.5 mm
2
+ Ground
P17/ PC20 220 - 240 25/ 20 14.88 4x2.5 mm
2
+ Ground
P21/PC25/AC25P 380- 400 16 6.36 3x2.5 mm
2
+ Ground
P25/PC30 380- 400 16 7.42 3x2.5 mm
2
+ Ground
1.9 First-time start-up
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