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Johnmo
@johnmo
Member
Honorable Member
1574 kWhs
Joined: Jan 25, 2023
Last seen: Sep 9, 2024
Profile Activity
Topics: 2 / Replies: 296
AllTopicsReplies
Reply
RE: Low shower pressure after ASHP retrofit

Most mixers uses a balanced flow i.e. the flow pressure from hot and cold is the same. This is how it is normally achieved via the combined valve at t...

20 mins ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump monitoring - what are you using?

The App gives you the CoP data, you can see instantaneously CoP, it uses a CT clamp on the 3 port valve to detect when it's seeing DHW heating and it ...

11 hours ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump monitoring - what are you using?

Been getting some useful feedback from the monitoring system. The monitoring system monitors all electric inputs, so controller, circulation pump, v...

13 hours ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Swapping back to Hive – is it the right thing to do?

I've just done the following. Dumped all thermostats except one is still there, but not really used as set to 23, but is there to give a remote on o...

2 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Swapping back to Hive – is it the right thing to do?

"Better" but still not really good. 3rd party controls normally equal poor performance, with a heat pump, or a gas boiler

2 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Swapping back to Hive – is it the right thing to do?

I have over the last six months stripped every unnecessary thing from the ASHP. So no longer have thermostat, buffer, volumiser, additional pump or mi...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low shower pressure after ASHP retrofit

Your mixer is designed to see almost equal pressures on cold and hot sides. Most shower mixers will self adjust to maintain set flow temperature. If...

4 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low shower pressure after ASHP retrofit

If that's the case it's a winder you get a hot shower at all. They are mandatory, the balanced flow port for cold water is on the combination val...

4 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low shower pressure after ASHP retrofit

First this will be unrelated to the heat pump itself. It is just a heat source. Two things affect flow through the DHW cylinder. Assume it is an unv...

4 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP using its immersion, but I dont know why

I notice your DHW looks to be at 55. It could be you are trying to heat the DHW too high for the heat pump on it's own, so the immersion kicks in to f...

4 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP using its immersion, but I dont know why

Legionella prevention is a risk based activity. It all depends on the temperature you store your water and how quickly water is refreshed. Heat Geek h...

4 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Questions about yearly heat pump maintenance

You should have been left the service manual and commissioning certificate with the new cylinder. The annual service for unvented cylinder includes ...

4 days ago
Forum
Air Source Heat Pumps (ASHPs)
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