Hydraulic Connections; Electrical Connections - Polytropic MASTER-INVERTER XXS Manuel D'instructions

Hydraulic connections

The heat pump should be connected to a filtration circuit trough a by-pass who consists of 3 valves.
It is imperative that the by-pass is placed after the pump and the filter.
These valves allow to regulate the water flow which passes through the heat pump and to isolate the heat pump
completely for any maintenance work, without cutting the filtration flow.
If your installation is equipped with water treatment devices (chlorine, brome feeder, salt water chlorine generator,
others) the by-pass must be installed before the water treatment devices, with a non-return check valve between the
by-pass and water treatment devices.
Water inlet and outlet are designed to be connected to rigid pressure PVC tube (for swimming pool) Ø50 mm, directly
glued to the half union connectors provided.
Inlet water tube must be connected to connection labeled:
Outlet water tube must be connected to connection labeled:
Water tubes must be fixed on the floor or the walls, so the heat pump will not support the weight of the water inside the
plumbing.
Do not use a clamp or other tool to screw the connections, hand screwing is sufficient.

Electrical connections

Electric supply voltage and current values must correspond to the ones indicated on the heat pump.
Connection cables must to be sized according to the appliance power and installation requirements.
Model
XXS / XS
S / S+
M / XM
L
L+
L / L+ Tri
*Maximum cable length between heat pump and head of line protection (C curve current protection)
It is recommended to use wire terminal for better electrical contact between wire and power supply terminal.
Head of line
Power supply
protection
3G 230 V 10 A
3G 230 V 16 A
3G 230 V 20 A
3G 230 V 32 A
3G 230 V 40 A
5G 400 V 3 x 16 A
Maximum cable length* with diameter:
2,5 mm² 4 mm²
34 m 54 m
25 m 35 m
- 30 m
- -
- -
100 m 150 m
- 25 -
6 mm² 10 mm²
80 m 135 m
45 m 80 m
40 m 70 m
28 m 48 m
- 38 m
200 m 300 m