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IaAck
@iaack
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Estimable Member
Joined: Mar 8, 2023
Last seen: Nov 3, 2025
Profile Activity
Topics: 0 / Replies: 51
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RE: Is a Valliant Inline 6kW heater a BUS buster?

@guydeb I take it you've not explored the option of using a single phase to 3 phase converter to run a 18kW 3-phase heat pump. Instead of £44k on a gr...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Cooling with Samsung Gen6 and Flow error

@ecobaker I'm still thinking that something is triggering the valve to close. In cooling mode on the rad, what are you setting as the rad target tem...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Cooling with Samsung Gen6 and Flow error

I see that these fan coil radiators either come with a two-way or three-way control valve built into them. What does the valve do? Well from a quick ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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 ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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 ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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?

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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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,...

10 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...

10 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!

10 months ago
Forum
Domestic Hot Water & Cylinders
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