Hayward SumHeat HP5171DT3 Manuel D'instructions Et D'installation page 59

2. SPECIFICATIONS (continued)
2.2 Operating range
Use the swimming pool heat pump unit within the following ranges of
temperature and humidity to ensure safe and efficient operation.
Outside temperature
Water temperature
Relative humidity
Setting range from the set point
If the temperature or humidity does not correspond to these conditions,
the security measures could be activated and the swimming pool heat
pump unit may no longer work.
The maximum heating temperature is set at 32°C to prevent damage to
the liners. Hayward cannot be held responsible if used at a temperature
above +32°C.
Heating mode
-15°C – +43°C
+12°C – +40°C
< 80%
+15°C – +32°C
Cooling mode
+7°C – +43°C
+8°C – +40°C
< 80%
+8°C – +32°C
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