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33 I Pool Heat Pump
Fan Blades Turn, But Compressor Is Not Functioning
The pool heat pump has a built in delay timer which prevents the compressor from
starting immediately. The delay can be 3 to 5 minutes in duration after the fan blades
have turned. Furthermore if the unit is in defrost mode the compressor will not start
for 3 to 20 minutes.
1. Check that air being discharged from the fan blades is colder than the ambient air.
If the air being discharged by the fan blades is colder, it means that the compressor
is functioning correctly.
2. Turn off the pool heat pump then immediately turn it back on;
3. As soon as the fan blades start turning, wait a minimum of 3-5 minutes. The
compressor should start up after this time and you will be able to identify a
different sound made by the compressor when it starts;
4. If the compressor is functioning, but shuts off immediately, consult the following
section "Compressor Starts and Stops".
5. If the problem persists, call your local Waterco office for assistance.
Compressor Starts And Stops
1. Check that the unit has been installed correctly (refer to installation procedures).
2. Check that the water inlet and outlet of the unit have not been connected
incorrectly.
There Is Water Around The Pool Heat Pump
It is a normal occurrence for water condensation, to be seen running from the unit
base. There will be on average 4 to 6 litres of condensed water per hour being
discharged from the unit base. In order to avoid water accumulation, you may use
decorative rocks around the concrete slab or a basin under the unit. Be sure that
clearances around the unit are respected.
To test the unit and confirm you have no pool water leaking from the unit perform
the following test which is best performed early in the morning and continuing for
the whole day:
1. Turn off the pool heat pump from the circuit breaker and the pool pump.
2. Open the bypass valve. (refer to drawing on page 5)
3. Close the IN and OUT water valves on the unit.
4. Restart the pool pump. The pool heat pump must remain OFF.
5. When all of the water around the base of the pool heat pump has dried, open the
water IN and water OUT valves on the pool heat pump.
6. Close the bypass valve to allow full water flow through the pool heat pump.
If water is now seen running from the outside of the pool heat pump or inside the
pool heat pump after a short period of time you should call for service. If no water is
seen after a short period of time it would be assumed the water was condensation
which is normal.
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