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JamesPa
JamesPa
@jamespa
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Joined: Apr 3, 2023
Last seen: Nov 1, 2026
Profile Activity
Topics: 28 / Replies: 5544
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Reply
RE: Daikin MMI attached to hot water cylinder.

Personally I wouldn't without first being certain this makes sense. Nor would I have it in the cylinder cupboard. Chances are its got a room tempera...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW heating issue on Kaisai heat pump

OK, I’m a bit baffled. Does it switch off after a certain time or when the flow temperature reaches a certain value? Some heat pumps have a 'max DHW ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW heating issue on Kaisai heat pump

With an LW of 55 you will struggle to get to 52, but you should get to 48 I would have thought. Does your heat pump allow you to increase the max lwt...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Zone 2 Mitshibishi thermostat Auto Adapt

If you get the weather curve right and rads balanced and run 24*7 with trvs open and thermostats set to max you should rarely have have to touch it. ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Recommended home battery inverters + regulatory matters - help requested

That would make sense; the 2 off mcbs would need to go in the same enclosure so the challenge might be to find the right kit of parts! A quick search...

9 months ago
Forum
Energy Storage
Reply
RE: What can I do to help the Mitsubishi Ecodan ASHP reach its service?

I think that says that the filters are the first point of call   It's the same procedure as with a boiler based system, if you know that. ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW heating issue on Kaisai heat pump

Can you advise if the tank is a 'heat pump' tank, ie one with a large coil (generally 3 sq m). Do you by any chance know what flow temperature the he...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW heating issue on Kaisai heat pump

Sorry to hear this. To help with the diagnosis can you describe exactly what you are observing when you say 'it doesnt have enough power' and also ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please

Agreed. Personally I wouldn't try even for my 7kW house. Thats roughly 50kWh in the high price period which is a lot of battery. The sweet spot for...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please

Consumption is determined principally by house loss! 200kWh at a COP of 2, which is very low, means the house loss is 16kW. At a more reasonable COP...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Increasing Room Temperature: Radiator Sizing Rule of Thumb Needed

Maybe mark where it was before you fiddle. However if it is the index rad/circuit the LSV should already be fully open otherwise you are unnecessaril...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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