Figure 1.13. Pool production wiring schemes.
3.6. Drain
Condensation may occur one certain internal heat pump components during normal operation. On the other hand, antifreeze mixture
or water may spill from the heat pump's internal safety valves due to eventual circuit overpressure.
There is a drain connection at the rear of the heat pump to evacuate these liquids.
4. Filling and discharge circuits
During filling work on the hydraulic circuits, take special care to prevent liquid from spilling on the
internal electrical heat pump components, which could cause personal injury due to electrocution
and/or poor equipment operation.
4.1. Filling the production circuit (heating, cooling, DHW and pool)
The heat pump is equipped with internal filling / discharge valves for the production circuit. It is recommended to use these valves
to ensure that the internal circuits are completely bled. Take the following steps to fill the circuit.
1. Open all the valves of the production circuits.
2. Fill the circuit through the filling valve until the target pressure is reached. Make sure that the pressure does not exceed 3
bar (pressure gauge) under any circumstance.
3. Remove the air from the circuit using the traps installed for that purpose.
4. Check the circuit pressure and repeat the filling process if necessary.
The ecoGEO Compact models are equipped with a manual trap at the entry to the coil to bleed the DHW production circuit.
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