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Mike H
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Mike H
@mike-h
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Reputable Member
Joined: Dec 1, 2021
Last seen: Oct 24, 2025
Profile Activity
Topics: 5 / Replies: 195
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Reply
RE: Replacing knackered oil boiler with Samsung ASHP - Perthshire

The Water Outlet temp on the controller screen will display the current flow temperature whether in space heating mode or during DHW heating, so durin...

16 hours ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing knackered oil boiler with Samsung ASHP - Perthshire

The Legionella disinfection is done by the immersion heater, so normally it would not be responsible for the high flow temperature. When the heat pump...

6 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Heat pump with Yonos Pico circulating pump running all the time

@old_scientist I realise that the pump running 24/7 is now thought to be due to incorrect wiring and not the FSV settings. I just wanted to check that...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung ASHP scheduling help

You may have a different model from me - mine is a Gen 6 12kW Samsung - but on mine there is no feedback from the controller on LWT when room temperat...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New 5kW Samsung Gen6 heat pump owner with loads of questions

Running continuously will usually produce the best COP, but having setbacks where the pump is off for periods allowing the house to cool eg overnight ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New 5kW Samsung Gen6 heat pump owner with loads of questions

That seems odd and I have not seen or heard of that before. According to Midsummer Wholesale the Samsung controller is supposed to be a bit cleverer t...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How much radiator capacity do I need for an air source heat pump?

HTC stands for Heat Transfer Coefficient - heat loss per C degree difference between IAT and OAT. It’s advantage is that it is independent of design t...

10 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: How much radiator capacity do I need for an air source heat pump?

Delta T 20 implies that your desired room temperature would be 17.5C as the mean radiator temperature would be 37.5C at a flow temperature of 40C and ...

10 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: New 5kW Samsung Gen6 heat pump owner with loads of questions

If you set it at 19C it will switch off at 19.9/20C and stay off until it drops to 18.9C. The 1C hysteresis cannot be changed. The alternative is to u...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Samsung 12KW Heat Pump Help

@bontwoody Sorry for the lack of explanation. I was taking my comment from Glyn Hudson's recent observation on the OEM forum - "I found the onboard Sa...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Samsung 12KW Heat Pump Help

@bontwoody I think the fact that your Samsung displays generated energy as less than OEM generated energy whereas mine is the reverse may just demonst...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Samsung 12KW Heat Pump Help

@bontwoody That doesn't tally with my Samsung I'm afraid. For today, Samsung display's Generation/Usage = 3.05 compared to my Class 1 Electricity and ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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