Pentair heat pump turns on and off and won’t maintain temperature

slinch

New member
Mar 30, 2021
4
Phoenix
Pool Size
10000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
We have a Pentair ultra temp electric heat pump for our pool and spa. We are finding that the spa cannot be heated past 98° When the air temperature is in the mid 50s and the heat pump turns on and off multiple times within a minute or two. It’ll keep doing this once the spa reaches 98°. The two times I have captured a video of this the air temperature was between 55 and 56°.

we’ve had the pool builder come out multiple times during the day when the temperature is 70° plus and they cannot get the The issue to repeat.

is there some issue that anyone is aware of or is it our reality that the spa will never heat above 98° when the air temperature is in the mid 50s?
 
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