Last seen: Aug 12, 2025
@jamespa Many thanks for comment. I can't recollect any location instructions from Mitsubishi stating that the unit should be in the shade, only phy...
@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...
Latest Posts
-
RE: Mitsu Wireless Controller and MelCloud
@morgan Yes, "Prohibit" was the word for when switched...
By DavidAlgarve , 3 hours ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
For reference, our installer has just contacted us afte...
By Old_Scientist , 7 hours ago
-
@toodles Of course. I've also used Tim and Kat's Gree...
By Old_Scientist , 7 hours ago
-
RE: Who's your electricity provider and what's your tariff?
Yes, I noticed that change too. The software really doe...
By Old_Scientist , 7 hours ago
-
RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
@old_scientist me too. Just installed my new heat pump ...
By Eliuccio , 1 day ago
-
RE: Is your heat pump insured?
Yup just spoke to Privilege to inform them of my impend...
By Scalextrix , 1 day ago
-
RE: Forum updates, announcements & issues
Just to keep everyone in the loop, as the site continue...
By Mars , 1 day ago
-
RE: Fast DHW setting on Midea (Clivet) heat pump
@simon-w, is this something you could potentially assis...
By Mars , 2 days ago
-
RE: Share Your Experiences with Heat Pump Manufacturer Support
Fwiw I called my installer out for the first time a few...
By JamesPa , 2 days ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@sandy, I'll send Vaillant an email tomorrow and see if...
By Mars , 2 days ago
-
RE: Long term efficiency degradation
@jamespa yes as I thought thanks. We have a reaso...
By Scalextrix , 2 days ago
-
RE: Who has a V2G EV installation
I agree, but a word of caution. V2X is also sometimes u...
By Majordennisbloodnok , 3 days ago
-
RE: Sunamp Thermino Heat Battery
@jamespa A few days after the installation had been com...
By Toodles , 3 days ago
-
RE: Planning Permission May 2025
Fair enough. I have read the legislation and MCS020a ...
By JamesPa , 5 days ago
-
RE: How do I choose a single room MVHR to prevent losing heat in my bathroom ?
An update on the Heatsava. It is the most difficult thi...
By heat-pump-newbie , 5 days ago
-
RE: ASHP heat output monitoring
@carlo - not much better, is it. It looks more like a u...
By cathodeRay , 6 days ago
-
RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
By Judith , 6 days ago
-
RE: Ecodan - Legionella Operation Time and Target Temperature
Once the white plastic cap is removed, my immersion loo...
By Old_Scientist , 1 week ago
-
RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
By DavidAlgarve , 1 week ago
-
RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
By AllyFish , 1 week ago
