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Last seen: Jan 12, 2025
Hi Derek, What a result!!............Changed the pump connector to CNP4 and pump no longer runs unless required by DHW call for heat.........proved i...
@DerekM Hi Derek, I have not yet tried swapping the DHW pump connection over although as you have said and from looking through all online manuals...
@derek-m Thanks for your advice Derek.....my system is out of warranty with the installer so I think I will come clean and let them know I have fou...
@harriup The wiring is not correct and the DHW pump is running all the time the primary pump is running....see latest post to @derekm I only run t...
Hi Derek, Been back up in the loft (Big mistake that was)! , and traced cables from pumps to the FTC board As we suspected the FTC is not wired a...
Hi Derek....no wonder you were not at your peak with the amount of input you contribute to the forums. Your assumption of my query could be correct ...
Agree it looks a bit like a rat's nest!! I think I differ in that I have an external plate heat exchanger (not the internal coil )and the dedicated ...
Derek....if you zoom in I think the model no's can be seen but I can clarify the auto pump is UPM3 Auto L(think this is the heating circuit pump)........
The unit came all prewired and plumbed from Mitsubishi so it sounds like it has to be as you have said...I think I will give mitsubishi a call on this...
Hi Derek, Photos as requested, the pump without any obvious manual control is the one adjacent to the one with LED display(the one that data sheets ...
@Sun&Air...thanks for your comments......a lot of water has passed under the bridge since I posted back on page 5 so things have got a bit disjoi...
@derekm and everyone else 😄 I said that I would investigate in more detail what is happening with my full mitsubishi packaged system pumps and have ...
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Degrees of Separation
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RE: Review your electricity provider
Really happy with octopus. I do not remember being with...
By Batpred , 8 hours ago
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RE: Who's your electricity provider and what's your tariff?
@old_scientist There’s such enormous flux in energy mar...
By Papahuhu , 10 hours ago
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RE: Analysis of the economics of switching to an A2W ASHP compared to other heat sources
@rob-of-york Very sound analysis, albeit for a curre...
By JamesPa , 14 hours ago
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
Yes, and I would suggest likely to get worse with more ...
By Batpred , 1 day ago
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RE: Electricity price predictions
This topic seems more suitable for this thread... I a...
By Batpred , 1 day ago
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RE: Why are ASHP installs so expensive?
It is clearly difficult to say, there must be cases whe...
By Batpred , 1 day ago
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RE: Panasonic Free Multi Z and Etherea Internal units.
@dgclimatecontrol Thank you for that information and re...
By Toodles , 2 days ago
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RE: My Kronoterm Adapt 0312 ASHP is finally installed!
@editor It was serendipitous really. Both my wife and I...
By tomasmcguinness , 2 days ago
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@mrkfm, I'd also suggest that whenever you're ready, st...
By Mars , 2 days ago
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RE: Are you planning to use a wood burner to supplement your central heating this winter?
I use my stove daily for backup and comfort. Definitely...
By Margarethomas , 3 days ago
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@rob-of-york Thanks. I wish I'd started on this site as...
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RE: Solar Power Output – Let’s Compare Generation Figures
@downfield I just checked this morning and OE just r...
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RE: Passiv Smart Thermostat - Help & Forum Support
Thanks Will. I'll probably be a week or so before get...
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RE: Cooling using an air to water heat pump
From experience this summer, a single-split A2A unit on...
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