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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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Reply
RE: Buying Shares (Investing) in a solar Farm

@abernyte Would this statement apply:- For co-operative societies where the dividend is based on retail purchases of members, the dividend is effectiv...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Crossed flow and return

@allyfish Surely if the water circuit was plumbed incorrectly and water was pumped the wrong way, the flow switch in the heat pump would not be activa...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP hot water vs solar PV via diverter - tank average temperature

@alleyfish I would assume that the immersion element (back up heating device) sits slightly higher up in the tank as it plays second fiddle to the hea...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: What do we need to know before installing a heat pump?

@cathoderay You stated in an earlier post on your other thread, quote "I think the heat loss as the house currently is (I am slowly improving insulati...

3 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: DIY Heat Pumps.

@iancalderbank Life is full of hazards.... it's the risks you need to worry about🤔

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DIY Heat Pumps.

@iancalderbank as R290 is based on propane (not containing fluorine) I would think that the f-gas regs wouldn't apply.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

@iantelescope I believe the short cycling problem would be rectified by increasing the hysteresis value for the RWT sensor. What is the current settin...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 10.5kW unit that needs a new compressor

@transparent You could well be right. Current salary for a refrigeration engineer is in the region of £40k per annum ( £20/hr.) Cost of training tools...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: 10.5kW unit that needs a new compressor

@delt I liked to make a stab at this, so some of the things to consider: engineers travel time to site, say 1 hour @ 65/hr engineers travel time...

3 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

Additional info on pull down end of line reistors: To eliminate the presence of reflections from the end of the cable, it must be terminated at both...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@cathodeRay, Would I be right in thinking that your hourly COP value calculation includes periods (minutes) when the compressor is not running? Or mo...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@ cathodeRay I could see how the instantaneous COP value could be in the order of 11.6, but I can't see how that could be the average over an hour due...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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