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Derek M
@derek-m
Member
Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Topics: 7 / Replies: 4403
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RE: Weather compensation and air source heat pumps

Hi Benseb, Just as a car engine has a minimum speed, so does a heat pump. What is probably happening is that your thermostat, if you have one instal...

4 years ago
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RE: Samsung Launches the EHS Mono HT Quiet – A High Temperature, Low Noise Heat Pump Ideal for Home and Building Renovations

@iancalderbank As I stated previously I remember reading that at least one of the controllers allowed the required DT to be set greater than 5. Unfo...

4 years ago
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RE: Weather compensation and air source heat pumps

Hi Mars, It is my understanding that WC sets the WFT dependent upon the programmed curve and the outside temperature. You may therefore get variatio...

4 years ago
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RE: Samsung Launches the EHS Mono HT Quiet – A High Temperature, Low Noise Heat Pump Ideal for Home and Building Renovations

Heat pumps do not work particularly well with thermostat control, which is on-off. Most if not all of the modern heat pumps incorporate weather compen...

4 years ago
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RE: Using ECODAN with Hive stat

Hi Brooster, Welcome to the forum. Batalto is perfectly correct that a thermostat is not the ideal method of controlling an ASHP. The Mitsubishi C...

4 years ago
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RE: Samsung Launches the EHS Mono HT Quiet – A High Temperature, Low Noise Heat Pump Ideal for Home and Building Renovations

I would have thought that the opposite would actually occur. Consider the following. A heat pump is running happily with a Water Flow Temperature (W...

4 years ago
Reply
RE: Samsung Launches the EHS Mono HT Quiet – A High Temperature, Low Noise Heat Pump Ideal for Home and Building Renovations

@iancalderbank There are some heat pump controllers which allow the required DT to be set to a particular value, within a specified range. Have a lo...

4 years ago
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RE: Weather compensation and air source heat pumps

@editor Probably try 1 or 1.2 first and see how your system performs.

4 years ago
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RE: Electricity price predictions

If wholesale gas price, as the graph shows, is 236.28p/Therm, this equates to 8.062p/kWh. A Combined Cycle Gas Turbine (CCGT) Power Station is approxi...

4 years ago
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RE: Worcestershire ASHP

@julianc Try turning up your Nest to remove it from control. During Spring and Autumn you will still probably get some cycling even on weather con...

4 years ago
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RE: Electricity price predictions

@jeff I think that Transparent pointed out in previous posts, that in his particular area, many of the grid upgrades would not be necessary if there...

4 years ago
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RE: Electricity price predictions

@prjohn I worked in the Electricity Supply Industry when it was privatised. It wasn't long after privatisation before the 'bean-counters' started ...

4 years ago
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