Last seen: Jan 10, 2026
@boycey Heat pump is located at the back of the house and yes I agree, yesterday the sun was out and the rooms at the back of the house had some solar...
@jamespa Sorry not exactly sure about when it went into shade but my feeling is at the same time as the temp drop. Clutching at straws: - I did h...
James: Just noticed the timing of the drop: from 21 c at 16:05 to 10c at 16:45.
@jamespa Unfortunately it's now in the shade. The outside temperature is now down to reading a more realistic 11c so I'll have to wait for another s...
Just to follow up on the Outside temperature issue. Last year I reported that the Ecodan outside temperature was over reading on sunny days. An engi...
@bobtskutter Hi Bob. Just a short update to say that the Red expansion tank guage is stable on 1.2 reinforcing my thought that it was air in system. I...
@bobtskutter Hi Bob. Daft mistake with the valve. The red expansion tank is not attached to the hot water cylinder. I can't find the PSV you menti...
@bobtskutter Thanks. Pressure remains steady at 1.2 with the system idling after House Heating. No idea what's trigering the drop in pressure. I h...
@bobtskutter Hi Bob. Installer asked me to check the pressure relief valve on the top of the Red Expansion tank. Only air came out; pressure was 1.5 a...
@bobtskutter Thanks. Chasing up my installer.
@bobtskutter So, just to be sure I understand, it shouldn't drop to zero when the heat pump is idling? In heating mode, it seems to be staying on or...
@bontwoody Thanks. I did top it up a few days ago and that's what made me look at it today. If the pressure is gradually rising to 1.9 when the pump...
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RE: Recommended home battery inverters + regulatory matters - help requested
Thanks for the clarification.
By JamesPa , 7 minutes ago
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RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
OK, TBH I dont know enough about MLCP to comment with a...
By JamesPa , 20 minutes ago
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RE: Predicted Heat Loss from MCS calcs vs EPC vs actual
My gut feeling is that the heat pump is right sized. ...
By Tim441 , 41 minutes ago
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RE: Heat pump not reaching flow temperature
Peak Energy Products most recent accounts (to June 2024...
By JamesPa , 1 hour ago
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RE: Power outages and storms: A surprisingly good DNO experience
Agreed, which is no more nor less than a customer shoul...
By Majordennisbloodnok , 2 hours ago
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RE: Running from backup generaor in powercut?
@batpred In our case, 3 times each day when the Octopus...
By Toodles , 3 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
Hi @sheriff-fatman Cycling at 5C and below is usuall...
By RobS , 3 hours ago
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RE: New Fogstar 15.5kWh upright solution
@batpred Here's the latest Fogstar ready built pack....
By Bash , 5 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@mike-patrick yes, even though the current system is ru...
By Tim441 , 5 hours ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
Solis confirmed that the S6 works with a single battery...
By Batpred , 5 hours ago
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RE: Who has a V2G EV installation
I am wondering if in any V2X, would the car battery eve...
By Batpred , 6 hours ago
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RE: Setback savings - fact or fiction?
Yes, by calculating it manually from the minute data, w...
By cathodeRay , 7 hours ago
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Fan unit Making terrible noise HELP!!
One of a pair of fan units on an Earth Save Classic II ...
By GutoFfowc , 8 hours ago
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RE: New Mitsubishi Ecodan 11.2kW installation - L9 errors and maybe more
OK. I think your system, which seems well designed, is...
By JamesPa , 9 hours ago
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RE: Heatpunk Floor plan issues
It's usually the complete opposite... seldom that Safar...
By Mars , 23 hours ago
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RE: Fan is clipping ice build up from the front of unit.
@majordennisbloodnok I’ll not go there thanks! Toodles.
By Toodles , 1 day ago
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RE: Running my new Nibe ASHP efficiently
I'm new to the forum. Did you get a reply to this last ...
By Mike @ Camelot , 1 day ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@grantmethestrength MCS requirements for DHW capacity h...
By Toodles , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk I'm observing my own system at low temperatures ...
By dr_dongle , 1 day ago

