Astralpool EvoLine 13 - Heat Pump Winterizing and Restart; System Guidance; Swimming Pool Water Chemistry

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3. Direction
3.1 Swimming pool water chemistry
Special attention should be paid to the chemical balance of the pool water. The pool water values
should always stay within the following limits:
Important: failure to comply with these limits will invalidate the warranty.
Note: exceeding one or several limits can damage the heat pump beyond repair. Always install
water-treatment equipment (e.g. chemical dosing systems) after the water outlet of the heat
pump, especially if the chemicals are automatically added to the water (e.g. automatic chemical
dosing systems).
A check valve should also be installed between the outlet of the heat pump and the
water-treatment equipment to prevent products from owing back into the heat pump if the
lter pump stops.
3.2 Heat pump winterizing
Important: failure to take the necessary precautions for winterizing can damage the heat pump,
which will invalidate the warranty.
The heat pump, lter pump, lter and conduits must be protected in areas where the temperature can
drop below freezing point. Evacuate ail water from the heat pumps as follows:
1. Disconnect the electrical power supply to the heat pump.
2. Close the water supply to the heat pump completely.
3. Disconnect water inlet and outlet coupling ttings of the heat pump and let the water drain out of
the unit. Make sure ail water is out of the heat pump.
4. Loosely reattach water inlet and outlet coupler ttings to the heat pump in order to prevent dirt
from setting into the conduits.
Note: these precautions should not be taken ifyou choose to use the built-in anti-frost protection.
3.3 Restarting the pump after winter
If you emptied the heat pump for winterising, follow the steps below to restart it in spring:
l . First check that there is no dirt in the conduits and that there are no structural problems.
2.Check that the water inlet and outlet fittings are adequately fastened. Check that «water inlet»
and «water outlet» are correct according to the Jables on the heat pump. (Water out from the lter
unit = water inlet on heat pump)
3. Start the filter pump to start the water flow to the heat pump. Adjust the by-pass so there is
enough water through the heat pump. Normally on small filter system the by-pass can be closed,
so ail circulated water goes through the heat pump.
4. Reconnect the electrical power supply to the heat pump and turn the heat pump ON.
Min Max
pH 7.0 7.4
Free chlorine(mg/1) 0.5 1.75
TAC(mg/1) 100 175
Salt(g/1) 6
EN