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IaAck
@iaack
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Estimable Member
Joined: Mar 8, 2023
Last seen: Dec 6, 2025
Profile Activity
Topics: 0 / Replies: 58
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RE: Mitsubishi cycling while on chilled water output

@downfield With a car radiator the hot water from the engine is piped to the top of the radiator and the cooled water is drawn off from the bottom. Th...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi cycling while on chilled water output

@downfield I don't know how your fan coils are plumbed in but all the conventional radiators I've come across are connected to flow and return at the ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: All your heat pump problems solved by -- a plate heat exchanger in a plinth!

@allyfish Is this not how district heating systems work. One heat source and multiple heat exchangers?

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: All your heat pump problems solved by -- a plate heat exchanger in a plinth!

Some context to the argument if you are a Housing Association maybe? The government’s Boiler Upgrade Scheme (BUS) currently offers homeowners, p...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

@bobtskutter In order to calculate the energy required to defrost the evaporator you are going to need some additional info including evaporator mass,...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

@cathoderay To answer your question regarding this The inverter pcb contains a VFD (variable frequency drive) circuit that drives the 3 phase compre...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Double heat pump for DHW?

Waste heat recovery could be an option? Are we talking about a single shower cubicle ike this:- "5 showers in a row" and this springs to mind!

12 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

Are you saying then + or - 10% or + or - 5% I note that the tolerance for ashp ratings (EN14511) are: Tested cooling and heating capacity ≥ 0,88...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ÀSHP heat loss - how close to perfect can we get?

How close to the true heat loss figure do we need? Is it actual heat loss + or - 20%, ....?or more likely heat loss - 0 to +40% Or heat los...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Gen 6 outdoor unit - what is the colour code?

Possibly RAL7035? Try matching using the attached colour chart

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Book: Not Zero

@jamespa a) yes, most probably b) yes, it's a trait we humans have c) a sweeping statement and that's the bit I find very hard to agree with.

1 year ago
Forum
Well & Truly Off The Grid
Reply
RE: Book: Not Zero

@jamespa Exactly! The book is about the political response....the science is not in dispute.

1 year ago
Forum
Well & Truly Off The Grid
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