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iancalderbank
@iancalderbank
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Noble Member
Joined: Oct 17, 2022
Last seen: Jan 14, 2025
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Topics: 0 / Replies: 643
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Reply
RE: Heat pump research study: UK homeowners that decided not to install a heat pump after considering it

@editor did you get any takers? I think you probably know most of the reasons and could summarise on behalf of the entire forum back to these people?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Limiting Battery Fill with a Powerwall 2

@steevjo yes indeed. much better to overcharge rather than under. pay 45p/unit if you undercharge vs throwaway some free if you overcharge. I hadn't u...

2 years ago
Forum
Energy Storage
Reply
RE: 12kW Samsung gen 6 short cycling

@iantelescope I am little confused by your report... is it working? is it modulating?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ASHP - Circulating pump noise?

@snuffy don't give up , it sounds like your installer is "reasonable" - its a good thing that some radiators were mentioned as being in need of replac...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: PWM pump or not?

@bontwoody hmm I doubt they'll want to use flexi for a cylinder... anyway up to you.. to me its a risk fencing the pump in. are you sure there's nowhe...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: PWM pump or not?

@bontwoody also don't forget flow rate. are you getting high enough with the UPM3? in my case I'm a little low even with the UPMM-95 (getting 30L/min...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: PWM pump or not?

I've used the grundfos UPMM 25-95 with the G6 which is PWM and its working as expected, flow rate is modulating with compressor rate and input power....

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Turning your heat pump off

will just let the stat do the job for the next month. once it gets to may, may well set the heating zone's mode to "off" , at that point you can get d...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Limiting Battery Fill with a Powerwall 2

@steevjo yes fair point there was the update where they added costs. but I've been running the HA integration to set reserve since before that update ...

2 years ago
Forum
Energy Storage
Reply
RE: 12kW Samsung gen 6 short cycling

@iantelescope I wired it first of all following the instructions on the inside of the controller panel. didn't work. double checked everything. stu...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

@iantelescope page 9 of this is quite clear the SIG and REF terminals on the samsung controller board are connected to the PWM INPUT and REF cable...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ASHP - Circulating pump noise?

you will need to have the frost protection re-enabled for the winter , with a no-glycol system, your ASHP has to be able to run at night to protect it...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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