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Last seen: Sep 28, 2026
Have you tried upping the temperature to say 22C? should bring on the heat pump regardless of how its controlled by a third party CH controller. &nbs...
@pash44pump Okay thanks for explaining. Must be a large property, I have 310sq.m and that takes just 10.5kW (I had been quoted two 12kW by a popular r...
@pash44pump So are you changing from a Midea HP to a Grant HP? What size is the property?
@ecoste From the graphs I wonder why its heating water DHW to 55C from midnight, is that when you want it super hot? Should take around 45 minutes to ...
@batalto Looks fine to me too, then I noticed the date! these old posts crop up too often then if you reply often get a message saying it was sorted s...
@springswood we install these nationwide and I have them in my own home. they are super efficient (nothing cheaper) and cost effective to purchase. Th...
The A2A would be mostly if not all free if you have so much PV and a large battery. Mine is most of the year. It'll be cheaper and far quicker to work...
@dowallydrifter Sounds like legionella cycle, normally on a Tuesday if the installer didn't change it. Turn the water off if not using it when away. T...
It'll bring on electric back up heaters if at 55C as they'll work quicker in the winter. Not sure about old ME units but Daikin had a 6 or 9kW back up...
We install mostly A2A for churches and village halls, often due to little use and quick heating required. They will always work out substantially chea...
@grahamf Okay, I assumed you'd had an answer from Grants, I've not come across a Grant HP with its own pump not stopping. Their tech support is good s...
This is often a problem when units are installed under a grant scheme. Some have two or three pumps running all the time! They should always be contro...
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