(307IO) HEAT PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 12/15/2016
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SAVE THESE INSTRUCTIONS
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Page 12
SET UP INSTRUCTIONS (continued)
Time Delay
The heat pump has a built-in 1 to 2-minute start-up delay to protect the control circuit components
and avoid excessive restart cycles. 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 1 to 2-minute
duration of the delay.
Water Flow Switch
The heat pump is equipped with a ow switch to protect it from running without adequate water
ow rate. It will turn on when the pump runs and shut it off when the pump shuts off. If the pool
water level is higher than 1m above or below the heat pump’s automatic ow switch adjustment
knob, your specialist technician may need to adjust the initial startup water ow rate.
Refrigerant Gas Pressure Verication
The following table shows the refrigerant pressure versus heat pump working condition. If there is
big difference between them, the machine is probably malfunctioning.
Heat Pump
Condition
Power Off Running
Ambient temp (°C)
-5-5 5-15 15-25 25-35 / / / / /
Water temp (°C)
/ / / / 10-15 15-20 20-25 25-30 30-35
Pressure gauge
reading (bar)
6.8-9.3 9.3-12.5
12.5-16.4
16.4-21 13-18 15-19 16-23 19-28 21-35
Refrigerant pressure and temperature table
7.
To set the water temperature and program the heat pump, see “
Display Control Panel
Operation
” section for details.
Depending on the initial temperature of the pool water and the ambient air temperature, it may
take several days to heat the pool water to the desired temperature. A good solar pool cover can
reduce the heating time.
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