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	RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW By JamesPa, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	I had a very similar problem with my valiant and it turned out to be a blocked filter. Unbeknown to me I have a very fine filter in addition to the mag filter. Heat pump engineer told me this accoun...
	Compressor attempts start but fails - Nibe Fighter 2005 8kW By skyefarmer, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	Hoping someone may have seen this problem before. I have a Nibe Fighter 2005 8kw single phase heat pump which heats a swimming pool. From yesterday it is failing with the following behaviour. Starting...
	RE: Failed install (initial SCOP1.8), clueless installer compounded by poor manufacturer support. Help needed desperately! By Mars, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@heacol, if you're around, can you please provide some insight into this?
	RE: Failed install (initial SCOP1.8), clueless installer compounded by poor manufacturer support. Help needed desperately! By Mars, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@bart, I think you're right to focus on that section of MCS MIS 3005-D Issue 2.0, which says: “A heat pump shall be selected that will provide at least 100% of the calculated heat load taking into con...
	RE: Servicing Hitachi HP in rural Somerset By Mars, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	I'd give GreenGenUK a call or email them: sales@greengenuk.com Not sure if they do Hitachi, but a good starting point with a reputable company.
	RE: Failed install (initial SCOP1.8), clueless installer compounded by poor manufacturer support. Help needed desperately! By Bart, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	By way of an update: NAPIT's initial overview is more than a little disconcerting advising that PAS2035/PAS2030 only applies to RIWI/ventilation and concluding that ASHP oversizing and inappropriate u...
	Servicing Hitachi HP in rural Somerset By glpinxit, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	A neighbor is struggling to get someone to service his Hitachi HP. Any suggestions (we are near Wells)? Our Mitsubishi is serviced by its original installer and I will ask them at service time if they...
	RE: Ecodan consuming 100kwh per day in new build!!! By JamesPa, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@anca1808 I have just reviewed the whole thread. In summary it seems you have several issues (undersized rads, inadequate insulation) which have been identified and fixed, albeit not yet tested becaus...
	RE: Heating coming on when not required By JamesPa, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	I played with a max heating temp but there is a world of difference between what you want it to do on a cool day in shoulder season and what you want it to do on a coolish summer night for example. S...
	RE: Pressure drop Primary circuit By JamesPa, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	I've always regarded topping up heating systems as my job not a plumbers. My gas system needed topping up about twice per year and no way was I going to pay someone else to do this given that it takes...