equipment of this sort must always be fitted in the piping on the downstream side of the heat
pump, and it is recommended to install a check-valve to prevent reverse flow in the absence of
water circulation.
Damage to the heat pump caused by failure to observe this instruction is not covered by the
warranty.
The factory supplies only the heat pump. All other components, including a bypass if necessary,
must be provided by the user or the installer.
ATTENTION:
In order to heat the water in the pool (or hot tub), the filter pump must be running to cause the
water to circulate through the heat pump. The heat pump will not start up or be destroyed if the
water is not circulating.
Initial operation
After all connections, have been made and checked, carry out the following procedure:
1. Switch on the filter pump, check for leaks and verify that water is flowing from and to the
swimming pool.
2. Connect power to the heat pump. The unit will start up after the time delay expires (see
below).
3. After a few minutes, check whether the air blowing out of the unit is cooler.
Depending on the initial temperature of the water in the swimming pool and the air temperature, it
may take several days to heat the water to the desired temperature. A good swimming pool cover
can dramatically reduce the required length of time.
NOTE:
Time delay - The heat pump has a built-in 3-minute start-up delay to protect the circuitry and avoid
excessive contact wear. The unit will restart automatically after this time delay expires. Even a brief
power
interruption will trigger this time delay and prevent the unit from restarting immediately. Additional
power
interruptions during this delay period do not affect the 3-minute duration of the delay.
NOTE:
The amount of condensation may be as much as several litters per hour at high relative humidity.
This is sometimes mistakenly regarded as a water leak.
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