Last seen: Aug 21, 2024
A reply from Vishay: your inquiry: "Are you aware of a device or method of converting the resistance output from a Pt1000 sensor to the equivalent r...
I asked OHMIGO® what curve they used for their NTC 20 kΩ table and received a very swift and useful reply: There are small variations between suppli...
Good suggestion. I am in the process of doing something similar to see which of the 15 (1-14, 17) Vishay curves is a good fit (It will also be interes...
It works fine but the integration with the rest of the system is rather clumsy. For solar back off, a relay in the SKSC2 drives a contactor which adds...
Requirements are for reliability and acceptability to heating installers / maintainers. Ideally, a ready made device with safety approvals (may not ex...
My guess would be a Digital potentiometer. Might need a logarithmic one to cover the NTC 20 kΩ resistance range? I'm not an electrical engineer so thi...
The Pt1000 Resistance Table is straightforward. NTC Thermistors, Resistance/Temperature Conversion is more complex. I know it should measure 20 kΩ at ...
Probably should have mentioned that the solar collectors are on a second floor sloping roof. Front of the house is almost on the footpath. Access to s...
I would like to know if they offer design advice and can recommend installers that might consider upgrading my existing system. There is a good supply...
Oops! Wrong pump. I have been informed that we have Grundfoss UPM3 HYBRID 25-70 180 ACA pumps. Sorry for the confusion. According to UPM3 Installation...
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Yes, please feel free to share anything here with an el...
By Transparent , 7 minutes ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
As I understand the situation, Elmhurst Energy trains e...
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
OK thats cheap, the commercial price seems to be £400 p...
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RE: Replacing knackered oil boiler with Samsung ASHP - Perthshire
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RE: Testing new controls/monitoring for Midea Clone ASHP
@cathoderay thanks- yes will keep an eye out for the de...
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RE: Renewables & Heat Pumps in the News
Hoping so as well! I am no specialist. The language use...
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Do you need the DHW tank as high as 50°C @egp01 ? Ha...
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
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RE: Daikin Altherma 3M ASHP and British Gas Hive Home
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@old_scientist @jamespa So this was last nights DHW r...
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@springswood we install these nationwide and I have the...
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RE: DESNZ doing a survey which asks the right questions!
Fair comment. I have a feeling that ratings more gen...
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂
@jancold Not a plumber but I believe that i...
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Thanks! My consumer unit collection is ready with the W...
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RE: Designing my house system with a mix of air to air and air to water
@jamespa Cheers James, it's great reading. In quite a f...
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RE: PV Panels on roof in Conservation Area
If there is any way you can determine daily oil consump...
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RE: Grant 13kW Aerona3 - issues getting zones to temp
attached is prelagged in case indicates anything. &nb...
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