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	RE: Running from backup generaor in powercut? By Mars, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	@transparent, super interesting. I had a long chat with the ‘reconnaissance’ team from Scottish Power a short while ago, and what a nightmare trying to track down the issue. The grid, around us anywa...
	RE: Fan is clipping ice build up from the front of unit. By Papahuhu, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	@bontwoody Yes, it’s been nasty. Driving rain and sleet being blown into the front, and very cold air being blown in the other direction. There aren’t any defrost coils on the front so I guess it will...
	RE: Fan is clipping ice build up from the front of unit. By Westkent, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	It’s fitted to the outside of rear main unit. if looking from the front of unit it’s top right fixed to the back. its not a dongle as such but the shape of one. one screw is used I believe to attach i...
	RE: Fan is clipping ice build up from the front of unit. By Papahuhu, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	@westkent it’s that black tube that is cable tied over the outside of the rear of the evaporator fins, right? I have the tube but there’s no sensor RTD inside it, as far as I understand it.I don’t kn...
	RE: Fan is clipping ice build up from the front of unit. By Westkent, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	I don’t know much about 3rd party controllers but just so long as they don’t take the reading from that particular sensor. Id imagine your heat pump would still have one attached to the back.
	RE: Fan is clipping ice build up from the front of unit. By Papahuhu, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	@westkent thanks. I don’t have one of those, so can’t be my problem. I’ve got a third party controller which uses local weather station data to do its calculations.
	RE: Fan is clipping ice build up from the front of unit. By bontwoody, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	@papahuhu I think my problem was just due to unusual weather conditions, with melting snow and a fast cold wind. It hasnt occured again
	RE: Running from backup generaor in powercut? By Transparent, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	Here's the Power Cut map from Cornwall at 23:00 last night Attachment : NGED_outages 2026-01-08 23-06-03.png The best strategy for adding a (diesel) generator is to connect it to a dedic...
	RE: Fan is clipping ice build up from the front of unit. By Westkent, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	Outside temperature sensor.If it gives an incorrect outside temperature to the system it will ice up.I had no error codes.size of a large dongle 2/3 inches in length. You can’t miss it.
	RE: Recommended home battery inverters + regulatory matters - help requested By Transparent, 7 days ago Forum Energy Storage
	@jamespa - your diagram with my additions Attachment : JamesPA.png You must have a (rotary) isolator in the supply to the inverter The CU on the right has a light and a power socket in th...
	RE: Fan is clipping ice build up from the front of unit. By Papahuhu, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	@westkent Thanks. Do you remember what that sensor was called or it’s function please, as mine is doing some other weird stuff too that makes no sense (not modulating, operating on-off) I wonder if th...
	RE: Fan is clipping ice build up from the front of unit. By Westkent, 7 days ago Forum Air Source Heat Pumps (ASHPs)
	Had this a few years back. long story but to cut it short it was a faulty temperature sensor that fits to rear of heat pump at the top.