H03619‐00.D1.EN – 2012/03 42.4 Hydraulic connectionsCheck the direction of the pipework connection (see § “Dimensions” in the appendix). The connection shall comprise a Ø 63 PVC rigid pipe, from a by‐pass, on the swimming pool filtration circuit,after the filter and before any water treatment unit . check the tightening of the hydraulic connections, and for leaks.PowerForceHydraulic circuit pressure Connections= inlet= outletMean waterflowrateHead losstesttest servicebar bar m³/h mCE25‐35 3 1,5 Ø63 10 1,3Elimination of condensation:Warning: your device can produce several litres of water per day. You are strongly recommended to guidethe flow to drains.2.5 Electrical connections2.5.1 Voltage and protection the electrical supply to the heat pump must pass via a protection and disconnection device (not supplied)complying with the standards and regulations in force in the country, additional protection may be required during installation to guarantee overvoltage category II, the device is designed for connection to a general power grid with TT and TN.S grounding systems, electrical protection: circuit‐breaker (curve D) or fuse (Am) (see § 2.5.3 for ratings), and with a 30 mAdifferential trip switch at the head of the supply line (circuit‐breaker or switch). electrical conduits must be secured, tolerance for voltage variation: ± 6% (during operation), use cable suitable for outdoor use, type RO2V or equivalent in countries outside of the Europeancommunity, and with an outer diameter between 9 and 18 mm, use the stuffing box to run the supply cable into the device.V1‐V2‐V3: by‐pass valvesV5‐V4: setting valves (optional)* minimum distance by‐pass filter water treatment unit electrical protection boxes