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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

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Offers and wants: DPS Pandora heatbank for sale

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  1.  
    • CommentAuthorJimbo7
    • CommentTimeFeb 3rd 2012 edited
     
    Can I interest anyone in a used DPS Pandora heatbank?

    I think the design code is CPC-210-DHBAA-XAJA (the photo I have here is a bit blurry - I have a better one at home which I'll post later)

    It has a 160kW plate heat exchanger and 28mm blending valve.
    Indirect coil for connection to boiler/heat source, plus backup (whole store) immersion heater
    Tapings for a drain back solar system (never used)
    It has a dial temperature gauge, and sensor pocket for a thermostat.
    210 litre capacity, 535mm x 1750mm high (plus fittings)

    It works fine - it's being replaced as part of the refurb and extension we're doing (which needs an even bigger cylinder!)

    We have extremely hard water here, so the plate heat exchanger could do probably with descaling. I'll include the jig I made from copper pipes that makes it really easy (just attach to PHE, pour in Kilrock K and wait for the fizzing to stop).

    Also included:
    Honeywell Smartfit S-Plan heating controls including 7 day programmer (lets you set 3 independent temperature set points for each day), 2 x 2-port valves, wiring centre, thermal probe for the tank, and radio time clock receiver which sets the time automatically from the MSF radio time signal.

    For more information about the cylinder, put the design code in on this webpage:
    http://www.heatweb.com/techtips/panex.html

    Open to offers. This would have to be collected from us in Hemel Hempstead.

    Jim
    • CommentAuthorJimbo7
    • CommentTimeFeb 5th 2012
     
    Pictures:

    https://www.dropbox.com/s/pnxcty7zzmsw4ax/Heatbank%20Installed.jpg
    https://www.dropbox.com/s/xqgp10751vgf8l1/Heatbank%20diagram.jpg

    Jim
  3.  
    Interested to see details our picture of your jig, my heat bank is about 8 years old and heat exchanger could aleppo probably do with a de scale
  4.  
    Whoops, text on phone not great, meant to say also!
    • CommentAuthormattwprice
    • CommentTimeFeb 11th 2012
     
    Hi, Is there any chance you might be interested in splitting this? I would be interested in the plate heat exchanger if it is a bolted rather than brazed type. Do you know what the primary and secondary flow was from it and what pumps and temp change across the plate between the flow and return was?

    thanks
    • CommentAuthorJimbo7
    • CommentTimeFeb 17th 2012
     
    <blockquote><cite>Posted By: mattstan51</cite>Interested to see details our picture of your jig, my heat bank is about 8 years old and heat exchanger could aleppo probably do with a de scale</blockquote>

    It's very simple really. From memory it was a couple of copper T's with a pipe in between, and a 22 to 15 reducer on top acting as a funnel. The two T's are spaced the same distance apart as the connections on the heat exchanger with compression fitting so that they bolt straight on. At the bottom I put a drain valve.

    Connect to the PHE and make sure the drain valve is shut, then pour in some kilrock k and wait for the fizzing to stop. Drain off and flush through with clean water when done. Just be careful not to over-fill it at first, as the reaction is quite dramatic initially.

    I have some pictures kicking around - I'll post them later.

    I realised after putting it together that all you actually need is a couple of 90 bends - one at the top connection with a reducing-as-funnel, and one at the bottom with a drain valve on it.

    Jim
    • CommentAuthorJimbo7
    • CommentTimeFeb 17th 2012
     
    <blockquote><cite>Posted By: mattwprice</cite>Hi, Is there any chance you might be interested in splitting this? I would be interested in the plate heat exchanger if it is a bolted rather than brazed type. Do you know what the primary and secondary flow was from it and what pumps and temp change across the plate between the flow and return was?
    thanks</blockquote>

    Sorry, not interested in splitting it. (It's the brazed sort anyway)

    Jim

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