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	RE: Grant 13kW Aerona3 - issues getting zones to temp By JamesPa, 3 hours ago Forum Air Source Heat Pumps (ASHPs)
	Fair enough (the raging). Try not to let it upset you (easier said than done I know). Unlike some less fortunate people you remain in control it seems.
	RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira By JamesPa, 3 hours ago Forum Air Source Heat Pumps (ASHPs)
	I think that's what they do, so they are varying ft. It would be good to see some plots at various oat values
	RE: Help me keep the faith with my air source heat pump installation By JamesPa, 3 hours ago Forum Air Source Heat Pumps (ASHPs)
	No cycling there except possibly at midnight on the first day. You would expect so but don't forget cop varies with oat also. Also depends on how long you are averaging over. My 24 HR cop is now dow...
	RE: Help me keep the faith with my air source heat pump installation By JamesPa, 3 hours ago Forum Air Source Heat Pumps (ASHPs)
	Possibly. I haven't yet worked out what Vaillant do with water pump speed as I can't monitor it and don't have a reason to care. Why is it a 'problem' Yes I expect the spike is recovering from defro...
	RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira By Sheriff Fatman, 3 hours ago Forum Air Source Heat Pumps (ASHPs)
	From what I can see it's being operated in fixed flow temperature mode, but Havenwise is dynamically changing the flow temperature requirements to deliver the bursts of heat, and doing so far more fre...
	RE: Help me keep the faith with my air source heat pump installation By AdamK, 4 hours ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa just saw this massive spike on energy consumed which is sat in between two hot water heating mode on status. maybe a defrost? Attachment : image.png
	RE: Help me keep the faith with my air source heat pump installation By AdamK, 4 hours ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa i seem to remember someone when i was digging for info on rad balancing saying they were having trouble as the Vaillant seems to want to control to Delta of 2.5 not 5. im guessing its doing t...
	RE: Air source heat pump roll call – what heat pump brand and model do you have? By KevB, 4 hours ago Forum Air Source Heat Pumps (ASHPs)
	Forum Handle: KevB Manufacturer: Ideal Model: 5kW Type: ASHP Arrangement: Mono Area of Country: South England Home Type: House Size: Square Metres: 91m2 Insulation Level: 5? 1980 built. Cavity insul...
	RE: Don’t Install a Heat Pump Until You Read This By Mars, 4 hours ago Forum Air Source Heat Pumps (ASHPs)
	Wow, the disappointed Global Energy Systems customers are emerging at speed. There are a lot of issues in Global's approach to installs and their lack of design competence. @briansprankle, do you rem...
	RE: Help me keep the faith with my air source heat pump installation By AdamK, 4 hours ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa this is a graph with both flow and return on. seems to be keeping a 2.5c gap between them. Attachment : image.png
	RE: Help me keep the faith with my air source heat pump installation By AdamK, 4 hours ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa ive just pulled the flow temp from the Havenwise data, as im at work so cant spin up Home Assistant. its only a few days and the first few days were where it was in its learning phase. it cer...
	RE: Don’t Install a Heat Pump Until You Read This By brianspranklen, 5 hours ago Forum Air Source Heat Pumps (ASHPs)
	Hi, we had our ASHP fitted by Global Energy Systems nearly three years ago and have had several problems from poor installation to repeated breakdowns and high electricity bills. In the winter our bil...