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Note: in order for the unit to heat the pool (or spa), the filter pump must be running so
that the water can circulate through the heat pump. Without this circulation, the heat
pump will not start.
When all connections have been made and checked, the following steps should be followed:
1. Turn on the filter pump. Check for leaks and verify that there is a flow to and from the
pool.
2. Turn on the electrical power supply to the unit, then press the ON/OFF key on the
electronic control panel. The unit should start when the time delay period has lapsed.
3. When the unit has been running for a couple of minutes, check if the air leaving the unit
is cooler.
4. Check the performance of the flow switch as follows: with the unit running turn the filter
pump off. The unit should also switch off automatically. If not, the flow switch must be
readjusted.
5. The unit and the filter pump should run 24 hours a day until the desired pool water
temperature has been reached. Once the set temperature is reached, the unit will
switch itself off. As long as the filter pump is running, the unit will restart automatically
when the temperature of the pool water drops more than 1°C below the set
temperature.
Depending on the starting temperature of the pool water and the air temperature, it can take
several days for the water to reach the desired temperature. Covering the pool with a pool
cover can reduce this period significantly.
Water flow switch: the unit is equipped with a flow switch that switches on when enough
water flows through the unit and switches off when the water flow becomes too low (e.g. when
the filter pump is switched off).
Time delay: the unit is equipped with a built-in 3-minute start delay to protect electrical
components and contacts. After this time delay, the unit will automatically restart. Even a brief
interruption in the power supply will activate the start delay and prevent the unit form starting
immediately. Additional interruptions of the power supply during the delay period will have no
effect on the 3-minute countdown.
1.10 Condensation
When the swimming pool water is being heated by the heat pump, the incoming air is cooled
down considerably, which can cause condensation on the fins of the evaporator.
Condensation volumes can reach several litres per hour under high atmospheric humidity.
This can sometimes be incorrectly interpreted as water leakage.
2. Controlling the heat pump (LCD)
Not applicable.
3. Controlling the heat pump
(LED)
Preparation before start-up
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