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IaAck
@iaack
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Joined: Mar 8, 2023
Last seen: Jul 24, 2025
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Topics: 0 / Replies: 39
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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...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
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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...

2 weeks ago
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Air Source Heat Pumps (ASHPs)
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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 ...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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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 ...

3 weeks ago
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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 weeks ago
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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 weeks ago
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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 weeks 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?

2 months ago
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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...

2 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,...

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

6 months ago
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Air Source Heat Pumps (ASHPs)
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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!

7 months ago
Forum
Domestic Hot Water & Cylinders
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