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	RE: Heat pump not reaching flow temperature By JamesPa, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	Thanks for the screenshot. Thats pretty useless (no criticism of you!) because it doesnt tell us the flow temperatures (ie the temperature of the hot water from the heat pump) at those OATs. ) is an...
	RE: Heat pump not reaching flow temperature By johnd, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	@editor With 19 radiators, all of which being k2, would that indicate that there should be enough volume in the system?
	RE: Advice for a novice on Mitsubishi Ecodan 6kW By Majordennisbloodnok, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	I wonder, @sheriff-fatman, if Mitsi have chosen to use a shared parameter between defrost cycle and freeze protection. If that were the case, we’d see a software-induced correlation rather than a phys...
	RE: Heat pump not reaching flow temperature By johnd, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	@davidnolan22 It hasn't been whilst it has been defrosting so frequently.
	RE: Heat pump not reaching flow temperature By johnd, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa I have attached a screenshot of the weather compensation settings available within the mobile app. Thanks Attachment : Screenshot_20260110-123728.png
	RE: Heat pump not reaching flow temperature By johnd, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	I have spoken to the installer, apparently the defrost cycles is on a fixed 45 minute cycle, it does not use a sensor to manage it. He has adjusted the cycle and I have seen a huge improvement. Has ...
	RE: Advice for a novice on Mitsubishi Ecodan 6kW By Sheriff Fatman, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	Thanks for clarifying. Excessive cycling seemed to be a factor for me when I hit the 5°C and 4°C temperatures where freeze stat protection kicks in. It improved when I dropped the temperature for fr...
	RE: RDSAP10 effect on existing heat pump EPC rating? By Tim441, 16 hours ago Forum Government Schemes, Regulations, Training, Planning & Organisations
	Changes due to be announced later in 2026 with effect 2028 Replacing the EPC from 2028 The Government recently consulted on completely replacing the current EPC with a new set of metrics that landlord...
	RE: Setback savings - fact or fiction? By RobS, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	Hi @sunandair I hope the annotated image and description below helps describe what is happening. Attachment : image.png A) Output falling due to evaporator starting to fro...
	RE: Setback savings - fact or fiction? By RobS, 16 hours ago Forum Air Source Heat Pumps (ASHPs)
	Hi @cathoderay Yes the bulk of the energy comes from the already heated water, you can see that as the yellow area above the blue dashed line in the image below: Attachment : image.png ...
	RE: RDSAP10 effect on existing heat pump EPC rating? By Tim441, 17 hours ago Forum Government Schemes, Regulations, Training, Planning & Organisations
	Reminder: Changes to EPC methodology in 2025 On 15 June 2025 the methodology for calculating EPC ratings was updated. This update (known as RDSAP10) includes things like: More detailed and accurate...
	RE: Power outages and storms: A surprisingly good DNO experience By Majordennisbloodnok, 17 hours ago Forum Electricity, Tariffs, Monitoring & Providers
	Outages here, @editor, are infrequent - probably once or twice a year, perhaps fewer. However, a work colleague who lives about 15 miles away sees them as a weekly occurrence and was quite offhand whe...