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IaAck

@iaack

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Trusted Member

Joined: Mar 8, 2023
Last seen: May 4, 2026

Topics: 0 / Replies: 60

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RE: Mitsubishi cycling while on chilled water output

@downfield I think the cooling capacity ratings for you fan coils are misleading for your application (I am assuming the units are mounted just above ...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Mitsubishi cycling while on chilled water output

@downfield I thought I'd quiz ChatGPT about this and answer is as follows (specifically point 3): Yes, you should plumb a domestic fan coil radiator...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

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...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

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 ...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

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?

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

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...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

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,...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

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...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

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!

1 year ago

Forum

Domestic Hot Water & Cylinders

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...

2 years ago

Forum