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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
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    • CommentAuthorJeff B
    • CommentTimeOct 20th 2017
     
    <blockquote><cite>Posted By: Artiglio</cite>Djh- apologies a poorly worded post, the ts receives a slug of cold water from the piping between the boiler room and house, a flow and return each of 40mm. The product used is described as district main a term that has stuck.

    PiH , again another poor choice of words, the initial return to the ts when the house calls for heat, enters the ts and can trigger the temp sensor that fires up the boiler when below 60 degrees. Certainly the set up could be better. Pump currently running close to its mimimum , redoing the pipework seems a bit much given the issue is relatively minor. Moving the temperature sensor to a different pocket , seems a better option, but means stripping off much of the extra insulation i've added. Currently not a high priority.</blockquote>

    I have a "loop circuit" from the boiler to the TS with a pipe thermostat linked to an MV. The MV is closed until the boiler has heated the water to about 60C. This triggers the pipe thermostat which in turn opens the MV so that the hot water can enter the coil in the TS. This set-up prevents cold water entering the coil in the TS during the warm up stage and also conversely prevents the heat being transferred from the TS back to the boiler. My boiler takes about 20 - 30 minutes to get up to 70C when starting from scratch, so it would act as a giant radiator without this loop.
    • CommentAuthorJeff B
    • CommentTimeOct 28th 2017
     
    Another crazy modification! I have bought an Xpelair silent low wattage fan to blow hot air from the TS room (the cloakroom) into the hallway near the front door. Will be putting some Celotex on the ceiling and maybe a length of 110mm PVC pipe in the corner of the cloakroom near the fan so that the latter pulls the hot air down from the ceiling level (similar to: https://www.treehugger.com/gadgets/totally-tubular-innovative-fans-redistribute-hot-ceiling-air-floor-warmer-rooms-lower-heating-costs.html).

    Currently the ceiling temperature is approx 30C and near the floor 20C, so worth a play I think.
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