III. Water Connections
CAUTION
The heat pump inlet and outlet connections are NOT interchangeable. They must be connected as instructed below.
1.Connect the heat pump in the return water line between the filter and the pool. See page 10, Plumbing Diagrams.
2.Connect the filter outlet to the fitting marked WATER IN at the bottom side of the unit. Unit inlet/outlet connection fittings are
WATER OUT
WATER IN
3. Connect the fitting marked WATER OUT to the return piping to the pool.
Water connections from the heat pump to the main return line can be PVC pipe or flexible pipe approved for the purpose and, in either case, must be at least equal in size to the main pool circulation piping.
4. Operate the pump and check the unit for water leaks.
WARNING
Install a check valve and/or a Hartford loop AFTER the heat pump and BEFORE any chlorinating devices. Install any automatic chemical feeders AFTER the heat pump. Improper installation of
IV. Controls and Indicator Lamps
Your heat pump incorporates safety controls and indicators to ensure its safe, reliable operation.
Water Pressure Switch: Prevents operation when the pump is OFF. The unit requires 5 psi minimum pressure.
Water Temperature Control: Pool water temperature is controlled by the heat pump thermostat on the unit control panel, which contains a switch and 2 thermostats, one for setting a heat spa temperature and the other for a swimming pool temperature. The switch can operate an optional external control system, or can switch between thermostats for pool or spa.
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