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	RE: Isolating the system for a planned power cut By Transparent, 3 weeks ago Forum Solar Photovoltaic (PV)
	That's correct. I was mentioning it as something which would be a future requirement. Both arc-detection and surge suppression devices (SPD) are like paying an insurance package.Even if you decide not...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By JamesPa, 3 weeks ago Forum Air Source Heat Pumps (ASHPs)
	R290 has an explicit installer setting for 'no buffer'. It couldn't be clearer!
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 3 weeks ago Forum Air Source Heat Pumps (ASHPs)
	A quick google states the Grant Aerona3 requires a low loss header as a mechanical break as part of Grant’s install package - I suspect they’re using the install package and not opting to not have the...
	RE: Isolating the system for a planned power cut By Batpred, 3 weeks ago Forum Solar Photovoltaic (PV)
	Bu the way, my understanding is that arcing detection is not required for new circuits unless it is a shared use property? Or is it only for rental properties? As for SPD protection, for the extra £20...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 3 weeks ago Forum Air Source Heat Pumps (ASHPs)
	Thanks @JamesPa, I think the external volumiser suggestion - supposed to be insulated - was on assumption no space inside but yesterday’s visit it was drawn the conclusion that moving the expansion ta...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By JamesPa, 3 weeks ago Forum Air Source Heat Pumps (ASHPs)
	They arent one offs, but they will empty the system in part if they go off. Better than making it work less well by filling with Glycol. Some argue not to bother with either on the grounds that prob...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 3 weeks ago Forum Air Source Heat Pumps (ASHPs)
	I’ll check which version the Grant is, suspect like you thats what the specialist is seeing - that there’s no requirement. Antifreeze valves the installers suggested against their use as one offs? And...
	RE: Odd noise in our Ideal Logic ASHP By JamesPa, 3 weeks ago Forum Air Source Heat Pumps (ASHPs)
	These are well respected pumps so far as I know. Only one radiator on sounds very wrong, this should never be allowed to happen and is almost bound to cause odd and loud noises, excessive consumption...
	RE: Grant 13kW Aerona3 - issues getting zones to temp By JamesPa, 3 weeks ago Forum Air Source Heat Pumps (ASHPs)
	He is right. Better to eliminate it altogether. Is the Grant the R290 or the R32? The instructions for the R290 (which as it happens I was reading just yesterday) are very clear that buffer is not ...
	RE: New Fogstar 15.5kWh upright solution By Batpred, 3 weeks ago Forum Energy Storage
	So an update on the Solis inverter settings and rcbo circuit protection. Have to say that the Solis European wide support has been solid. So to recap, we had two concerns: - the grid rcd/rcbo needi...
	RE: Isolating the system for a planned power cut By Batpred, 3 weeks ago Forum Solar Photovoltaic (PV)
	I will continue the discussion on the solis installation on the Fogstar battery thread
	RE: Grant 13kW Aerona3 - issues getting zones to temp By Crimson, 3 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa - the Grant ASHP isn’t being replaced, the 13Kw will remain, apologies if I wasn’t clear. The heat specialist was experimenting with the current 13Kw in nightmode to see if it’s “overs...