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Kev M
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Kev M
@kev-m
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Joined: Mar 5, 2021
Last seen: Jan 8, 2025
Profile Activity
Topics: 10 / Replies: 1266
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Reply
RE: Rule change re ASHP

I was hoping it would be part of a well thought, holistic review of the PD rules to make the planned HP roll out easier and not a knee jerk isolated r...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

Interesting to compare the same time for mine. One thing that stands out is that your flow temps drop a lot further than mine during the setback.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rule change re ASHP

I managed to read it before the paywall went up. As far as I can see it is as it seems.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Room Temperature Mode

Yes that's the one. It's bit fiddly but worth persevering with. I agree about AA overheating but now Mrs M has got used to 22 deg I'm not going to ge...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Room Temperature Mode

@Sliderule, My house thermostats are still connected to the FTC but turned up high and the external pumps definitely don't run all the time. If ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Room Temperature Mode

@sliderule, I left my thermostats connected but turned up high so they are always calling for heat. I use the wireless remote to run AA. It doesn'...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

I haven't tried to work it out but I would have thought the OAT variation over the compared periods makes a big difference. It's a little bit unreali...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

I used to do a bit of sql and other programming so I'm reasonably familiar. It's been a while though but I'll have a go. Feel free to tinker with ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

I can. What you are seeing is cycling caused by IAT. It's reaching its set point, or, because AA allows it, up to 1.5 deg above it. It then stops ca...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan controller- one question and one observation

If you look on the front case of the FTC there is a model number. FTC6 is PAC-IF073-BE, FTC5 is PAC-IF063-BE. Lower FTCs have lower IF0X. Not sure ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

Life has got in the way a bit but I'm going to pull together some proper data to correspond with the charts I produce. The current issue is that the M...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan pipe width query

15mm primary flow pipes will definitely cause problems. There is a minimum flow rate depending on the size of the ASHP and it's unlikely that 15mm pi...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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