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Last seen: Jan 14, 2025
@sunandair DT is a phrase used too much in HP discussions, one needs to be clear about between what points the difference is being measured. Its nor...
doesn't matter. check the datasheet 2 posts up. the higher the flowT, the worse the COP. same for any heat pump. also you are talking about loss...
@sunandair if your sketch is accurate, and the DT on both sides is the same, and the flow rate on both sides is the same, then heat energy transfer is...
kwh needed is the only unit that can be calculated or estimated by a system designer. although we've had a lot of debate here about how accurate (or n...
@amanda1 several of us are trying to politely put you on the right track, there is no misogyny here, I think I was quite polite in my previous posts. ...
@amanda1 from what I can see (From a quick read of their manuals), the mitsubishi "freeze stat" configuration is a form of "freeze protection function...
@amanda1 in general there are a few concepts to try to separate and think about "defrost" = the heat pump running in reverse. to defrost itself w...
here's a use case: I've seen the "freeze protection mode" on my (samsung) kick in during a very cold snap night in april, after a mild day. the heatin...
@derek-m mine is the same type of system as tim's. here's snapshot of one of my panels just now (its not sunny). current is more or less the sam...
@amanda1 in general, the purpose of the anti-freeze protection function of the HP is usually for the "AND" situation: "outside air temperature below ...
@allyfish mm ok, there must be something else making it cut out because you should be able to go as hot as the immersions limiter, maybe grant have d...
@allyfish at this time of the year if you have copious PV you can turn the immersion stat up to maximum thereby dump the max amount of free energy int...
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