Activity
 
Notifications
Clear all
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Jul 23, 2025
Topics: 16 / Replies: 2636
Reply
RE: "Condensing" heat pumps?

There are DHW tanks with a built in heat pump that take their intake from the house, the outside world or the loft. Sometimes these are described as ...

4 weeks ago
Reply
RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop

By manual I meant constant/DHW priority, ie it should reheat once the temperature drops below (target - hysterisis). Are you certain (a) the unit has...

4 weeks ago
Reply
RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop

If it heats reliably when triggered from melcloud it points more to a control misconfiguration than to anything physical. Holiday mode, selecting m...

4 weeks ago
Reply
RE: Vaillant AroTherm Plus 7kW

If the thermostat is connected to the call for heat terminal on the vaillant or myson then I suspect it's also a call for cool (IE an 'enable'). If y...

4 weeks ago
Reply
RE: Commencing on an ASHP Installation Process

Good luck. Missing rads definitely was a problem for me. The fancoil was supposedly on 3 month delivery (but actually turned up 4 days later!) and t...

4 weeks ago
Reply
RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop

Yeah, mine did exactly the same - no error codes. The turn on/off again suggestion was (sensibly) made by my installer before he turned up - might as...

4 weeks ago
Reply
RE: "Condensing" heat pumps?

Same here as above. Where have you seen this terminology?

1 month ago
Reply
RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop

Mine (Vaillant) recently did something very similar, basically heating DHW for a short while after a reset, then giving up. It was accompanied by var...

1 month ago
Page 8 / 222
Share:

Join Us!

Latest Posts