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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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central heating pump on permarnetly
Is it safe to wire up a central heating pump to run permanently?
The pump output from my boiler is not working (previous post) and till a build a circuit to run the pump and have some overrun I just want to get the system up and running. The system has a conventional boiler with a 3 port mid position valve, Trv's on all rads with a by-pass circuit. Thanks Martin |
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In article .com,
wrote: Is it safe to wire up a central heating pump to run permanently? The pump output from my boiler is not working (previous post) and till a build a circuit to run the pump and have some overrun I just want to get the system up and running. The system has a conventional boiler with a 3 port mid position valve, Trv's on all rads with a by-pass circuit. Is it a sealed system? And was the pump simply run from the boiler control circuitry? If an open system, I'd say you're in danger of pumping over when all the TRVs close. I'd feel inclined to fit a temporary thermostat in a convenient room with the TRV there left fully open so the pump doesn't just run all the time. -- *If a mute swears, does his mother wash his hands with soap? Dave Plowman London SW To e-mail, change noise into sound. |
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I've had a two speed Myson C/H pump running virtually continuously
since December 1983. That's almost 22 years. My C/H system is a solid fuel Bont Esse cast iron boiler. There is an air vane on the side of the boiler to regulate it and that's it. The pump does go off during the summer for a month or two. If the lounge gets too hot I just turn the pump off and the heat goes into the H/W cylinder. The 1983-84 winter here in Aberdeenshire was a bad one and we lost electricity for nine days. The H/W cylinder turned over a couple of times. I was ferrying H/W to the neighbours as they were all electric. I was throwing burning wood out of the window to keep the boiler from turning over again. It is a real simple system. I must invest in a UPS to power the pump should we loose electricity again. Hardly seems worth it for a once in 22 years event. Chris. |
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