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Derek M
@derek-m
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Illustrious Member
13684 kWhs
Veteran Expert
Joined: Mar 4, 2021
Last seen: May 12, 2024
Profile Activity
Topics: 7 / Replies: 4140
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RE: New ASHP system - choices

I assume that the above prices are after the £7500 grant has been subtracted. It would be interesting to see if many of the installers increased their...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New ASHP system - choices

@mattc Sorry, I should have made it a general question to the forum.

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New ASHP system - choices

@mattc Has the price of a heat pump system increased dramatically recently?

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

@transparent While a heat pump is powered and operational, there should actually be no reason for anti-freeze within the system, since the thermal e...

3 weeks ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Creating a second zone on Mitsubishi Ecodan ASHP

I suspect that you are getting an L5 error because under 'Room Sensor Settings' you are trying to allocate RC1 or MainRC to zone 2, whereas the device...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Creating a second zone on Mitsubishi Ecodan ASHP

The main point that I was making was the need to switch the controller off and then back on for DIP Switch changes to take effect.

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Creating a second zone on Mitsubishi Ecodan ASHP

@bryanb You may find the following video of use.

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Error on Immersun – Error 8 Load Short Circuit

My Immersun unit has never failed from an operational point of view. Occasionally the monitoring system fails to supply the data to my laptop, which s...

1 month ago
Forum
Solar Thermal & Power Diverters
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RE: My ASHP is not performing as well as I’d hoped: COP just over 2

Some of the manufacturers use the COP calculation method shown by @technogeek, but I don't think that is the case with Mitsubishi. Could you please p...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

Unfortunately the type and size of heat emitters is determined by the proposed LWT, the available space and the room heat loss calculation, with the l...

1 month ago
Forum
Thermostats, TRVs, Pumps, Valves, Radiators & Controls
Reply
RE: Is a home battery a good investment with rented roof solar panels

@transparent Let me first of all state that I am a firm believer in the need for energy storage to smooth out the peaks and troughs of energy demand...

1 month ago
Forum
Energy Storage
Reply
RE: How To Balance Radiators & the Role of the Lockshield Valve

It is probably better to balance each radiator to achieve the desired room temperature, since the heating capacity of each radiator is unlikely to be ...

1 month ago
Forum
Thermostats, TRVs, Pumps, Valves, Radiators & Controls
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