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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
AllTopicsReplies
Reply
RE: Kev-M's ASHP Performance

This is one of the problems with heat loss calculations, since to make an accurate assessment it is necessary to have the actual details of the materi...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@batalto Yes, that would be 4kW per hour, based on your heat loss calculation of 8.774kW per hour at an ambient air temperature of -3C. The calcula...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

Batalto, I do believe your heat loss would be given by heat pump output power per m2, since the input power would be dependent upon how efficient yo...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

Sorry Batalto, I'm afraid my dry sense of humour is an acquired taste. As you are no doubt aware, men are always trying to educate women 'that size ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

Oh dear, your'e not comparing sizes are you?

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

Good morning Batalto, The wind speed was higher last night in our area, and I have noticed that it appears to have added about 5C to the required wa...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

@jeff The thought of potentially having to tweak curves at different outside temperatures isn't something i would relish. Hi Jeff, Sorry for ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

@jeff Hi Jeff, Taking their figures at - 10 degrees the difference in flow temperature is 6.6 degrees. They say 1 degree reduction in flow roughl...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

@jeff Do you think it will be cheaper to run than just using Weather compensation alone as Mitsubishi say? Any idea what % difference it might ma...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

@jeff Hi Jeff, If you wish to have accurate indoor temperature control, then it would be best to use Auto Adaptation control. Whether you can j...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14Kw Mitsubishi Ecodan ASHP

Hi Jeff, The simple answer is No. Auto Adaptation is a combination of both weather compensation and room temperature control. Basically, the contr...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
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