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Derek M
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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4405
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Reply
RE: Ecodan U4 error code

Try moving the plug/socket and see if there is any movement or that the alarm clears or appears.

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan U4 error code

I would suggest that you check the soldered joints on the board with a magnifying glass. Intermittent faults can be caused by 'dry joints' on a circui...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How Government Grants May Be Inflating Heat Pump Installation Prices and What Could Happen If They’re Scrapped

@gunboatdiplomat It makes one wonder how Appliances Direct can offer a 7kW heat pump for a purchase price of £1399, a 8kW one for £1999 and a 11kW o...

1 year ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: My horrific Samsung heat pump installation and experience

@technogeek Since Ian would appear to be willing to listen to you, the buffer tank should be used as a volumiser in the return pipework to the heat ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan U4 error code

You will probably find that the thermistors are small metal cylinders, about the same diameter as a pen, and probably several centimeters long, with a...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

If you search back through this thread (or possibly a different thread) you will find a schematic diagram for the system. Advice was provided possib...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How Government Grants May Be Inflating Heat Pump Installation Prices and What Could Happen If They’re Scrapped

@gunboatdiplomat For comparison I would suggest that you look at the price of radiators on the Screwfix website and the cost of heat pumps on the Ap...

1 year ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Incorrect Billing of Customers with a Smart Meter

You are probably correct. "We are doomed".

1 year ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Incorrect Billing of Customers with a Smart Meter

I would not have thought 1 minute to be a fine time resolution, obviously being able to set timing to the second would be preferable from the grid con...

1 year ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: GSHP for new-buid house with UFH - But what about DHW?

I would suggest that you ask the system designer for a schematic diagram detailing the system layout and details of all the major components. If you...

1 year ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: GSHP for new-buid house with UFH - But what about DHW?

The heat pump does not provide CH and DHW heating at the same time, there should be a diverter valve installed. The heat pump would then run at lower ...

1 year ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Incorrect Billing of Customers with a Smart Meter

@korwraith The simplest solution to both the overbilling problem, and the need to prevent numerous high consumption devices all switching on at the ...

1 year ago
Forum
Electricity, Tariffs, Monitoring & Providers
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