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	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	Thanks James, will get back to you. as a reminder theret 3 zones. Ground floor front (5 rads), ground floor rear - UFH and first floor (rads - 8 Stelrads, 2 towel, 1 tall). so I dont thi...
	RE: Daikin Short Cycle Query By Ubert767, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa Thanks again for your reassurance. Rob
	RE: Daikin Short Cycle Query By JamesPa, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	Its the heat pump, more specifically the compressor, cycling on/off quickly. The most important parameter is the on time, anything less than about 10mins would be considered short. Short cycling re...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By JamesPa, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	It will inevitably. If your heat pump capacity is perfectly matched to your house loss you can expect the heat pump to cycle from an OAT of roughly 11C and above. If your heat pump capacity exceeds ...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	Not able to keep up with both posts but: Night mode was forced constantly. So not just at night but at 60% constantly, assume that's 60% modulation or whatever the manual states. This was done with a ...
	RE: Daikin Short Cycle Query By Ubert767, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa Initially, I didn't know wether the dreaded "short cycling " was regarded as the frequency of the modulation of the compressor by the inverter or as the frequency of "cold "compressor star...
	RE: Oil Boiler & Heat Pump Hybrid System By paultheheating, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	Thanks for the suggestion, but farmhouse is grade 2 listed, not double glazed, stone walls and not suited to ashp as too big and not insulated. Tenant property does not have gas. On balance it is not...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By JamesPa, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	re 'enforced night mode running constant at 60%' are you saying that the heat pump was previously forced on (at 60% modulation) at night. If so thats significant because this would dump heat into the...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By AllyFish, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	Really puzzling @crimson. I have a 'text book' Appendix B Grant 10kW Aerona install scheme with secondary pump, 4 port low loss header, all original 22 & 15mm CU pipework on the secondary radiator...
	RE: Testing new controls/monitoring for Midea Clone ASHP By Mosibi, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	I am doing almost the same as you and also noticed that it always takes a few minutes before the state is set to "DHW" (e.g. 3-way-valve SV1 is flipped). I did investigate it a bit further and discove...
	RE: Daikin Short Cycle Query By JamesPa, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	With the expanded view you can see it ticking along at about 300W other than during the DHW reheat and between 4.30 and 5am. The spikes are very narrow so I think you are right its likely just the in...
	RE: Testing new controls/monitoring for Midea Clone ASHP By Mosibi, 6 days ago Forum Air Source Heat Pumps (ASHPs)
	A bit of topic, but indeed chatgpt and other AI a-likes have this tendency. Imho at this point in time you should not trust the output and always verify it yourself. But that is basically what you sho...