Defrost Sensor: Prevents unit operation if ambient air temperature falls below a predetermined safe mini- mum (approximately 42°–48°F, based on humidity). The compressor will shut OFF but the fan will continue to run.

Delay Timer: Prevents compressor from short cycling, which could damage or destroy the hermetic motor/compressor. Upon water temperature control satisfaction, or other circuit interruptions, this solid state device will prevent compressor restart for approximately 5 minutes.

Controls Operating

Instructions

The electronic board has the capability of memorizing two different programmed temperature settings as fol- lows (refer to Fig. 3):

•For a pool, maximum 95°F (35°C)

•For a spa, maximum 104°F (40°C)

To Select Pool or Spa Mode

To have access to either one of these programs, press the SET key until you see P _S and by pressing the UP or DOWN key you can switch to POL or SPA.

To Increase the Desired Water Temperature (Pool or Spa Mode)

Push the SET key until you see POL or SPA. The pro- grammed temperature will be displayed. Press the UP arrow to increase the temperature setting one degree at a time.

To Lower the Desired Water Temperature (Pool or Spa Mode)

Push the SET key until you see POL or SPA. The pro- grammed temperature will be displayed. Press the DOWN arrow to decrease the temperature setting one degree at a time.

Once the control has been programmed to the desired pool water temperature, the programmed temperature will be displayed for approximately 5 seconds. Then the digital display will display the actual pool water temperature.

To Select Temperature in °C or °F

Press the SET key until you see F _C. By pressing the UP or DOWN key you can switch to °F or °C. Once the temperature display mode has been programmed it will be displayed for approximately 5 seconds, then the digital display will return to the actual pool water temperature in the mode that you have chosen.

System Start-Up

1.Verify that the Digital Board is displaying a temper- ature and the pool pump is running and water is circulating properly.

2.Verify that the Board is programmed so that the desired temperature of the Pool and Spa is higher than the displayed current water temperature.

3.Allow the heat pump pool heater to operate for a few minutes to stabilize operating pressures and to allow various component temperatures to normal- ize.

4.Verify that the discharge air temperature is approx- imately 8°–10°F cooler than the air entering the unit. If not, see the Troubleshooting Section.

Seasonal Start-Up or Annual Check

NOTE: At the beginning of the heating season, or whenever the pool water temperature is to be raised several degrees, the pool pump and heat pump pool heater may need to operate continuously for several days. During summer months, only a few hours per day may be necessary, or none at all.

1.Remove leaves, pine needles, etc., from the evap- orator coil. Clean the coil by gently applying a mild solution of household liquid soap and water.

2.Gently rinse the coil with water; DO NOT use high pressure.

3.Backwash or otherwise clean the pool filter. If nec- essary, clean the skimmer basket and pump strainer.

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Energy Tech Laboratories 8358, 8357 Controls Operating Instructions, System Start-Up, Seasonal Start-Up or Annual Check
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