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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: Low COP on Samsung 16kw Gen6

Actually looking at the photo's, if there are isolation valves in appropriate locations, it may be possible to shutdown the system, and isolate the bu...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low COP on Samsung 16kw Gen6

A buffer tank can be a problem with ASHP systems, since it makes balancing the flows and temperatures around the system more difficult. Probably the e...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Mitsubishi ASHP has used 1078kWh from 25 November to 31 December – Help please

Is the heat pump also providing heating for your bungalow? What is the size of your heat pump?

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Boxing in your cylinders.

I suppose that you could build a frame around all the equipment. Just make certain that any electronic equipment is not exposed to high temperatures.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Mitsubishi ASHP has used 1078kWh from 25 November to 31 December – Help please

Hi Sarah, Welcome to the forum and we will do our best to try to resolve your problems. What type is your home? Do you have any heat loss calculat...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan - issues with flow/return difference and fluctuation

I would suggest removing (they should just clip on) one of these actuators from one of the loops that is cold and see if the underlying valve opens up...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan - issues with flow/return difference and fluctuation

What is the make and model of the white (with the blue top section) valve actuators? They would appear to be temperature controlled valve actuators,...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan - issues with flow/return difference and fluctuation

As Kev has suggested, the first thing to check would be LWT and RWT indications and sensors to see if they are correctly installed, since they can det...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Move along, nothing to see here....

You will need to play the 'Son' card, just tell your wife that her 'beloved' is too hot and she won't complain and soon get used to the lower temperat...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: This does not make sense - documents needed for EPC score

There appears to an outbreak of incompetence these days, in fact it is reaching pandemic level. 🙄

3 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: 14kW Daikin Altherma HP, UFH: struggles to maintain delta T at LWT < 39-38 degrees Celsius

The compressor is always going to use much more electrical power than a water pump, and lowering the DeltaT setting should allow the power output to r...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Daikin Altherma HP, UFH: struggles to maintain delta T at LWT < 39-38 degrees Celsius

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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