What do you base this on or is it just your opinion. BTW I don’t turn my HP off when it’s 65 degrees ambient outside if it calls for heat and it does it operates just fine.
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BTW just for your knowledge when the outside ambient is say 20 degrees and the heat pump is operating in the heat mode, it requires a defrost periodically and when that happens it reverses into the cooling mode. So what happens to your theory of not operating in the cooling mode below 65 degrees???
Well, there are a three of reasons why (during an inspection) I follow the operating parameters.
- My SOP
- My goal is to cause no harm.
- Many heat-pump manufactures recommend these limits.
Here is an excerpt from a carrier operation manual
“Do Not Operate Below 55°F/12.78°C in Cooling Mode
Your outdoor unit is not designed to operate when outdoor
temperatures are lower than 55_F/12.78_C without modification.
If operation below this temperature is required, consult your
Carrier dealer.”
" Do Not Operate Above 66°F/18.89_C in Heating Mode
Your outdoor unit is not designed to operate on heating mode
when outdoor temperatures are higher than 66°F/18.89_C. You
can safely operate the system above 66°F/18.89_C on emergency
or auxiliary heat."
Here is that document, see page 2
OM25-3.pdf (379.0 KB)
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Did ya forget about the defrost cycle on a HP it is the cooling mode??? you are confusing it with a standard A/C unit
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Did you read the .pdf attachment? Heat-pump
Yes, it covers that as well. Give it a glance.
Don’t need to spent 40 years working HVAC
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I covered the reasons why here:
Where there you go, you appear to have the credentials to exceed the recommended operating parameters of the manufacturer as well as exceed the SOP.
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Sorry for the late reply.
Valid point. I respect that decision, and should others.
Nor do I. Very same reasoning.
Regards.
Robert
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