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bypass

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  1. T

    running more than one thermostat off one zone valve

    hello all im carrying out some work in a social housing building and they have problems with massive gas/electrical bills (£4000) a month, its a 3 storey building with 10 self contained bedrooms with en suit all with at lease one radiator in, they have recently had there boiler change by...
  2. P

    Advice - damaged panel

    Would appreciate some advice... We have a damaged panel (cricket ball!) Looking at the daily generation figures in similar (hot & sunny!) weather before and after, it doesn't appear to be having any noticeable effect on generation. However I'm concerned when (if?!) it rains, water could get in...
  3. P

    recover from meter bypass - p&g meter - advice please

    Folks, Here's the story: money difficulties and things, and I ended up puling the tails out of my consumer unit and straight into the bulk head of the supply entering my home. This is an flt3 prepay meter we're talking about, with initial supplier being British Gas. There was an amount to...
  4. S

    Underfloor Heating

    Hi guys, A tennant has a problem with their underfloor heating not heating up at all. Its a Aube TH132F Thermostat. When i put it on override and set the temperature high to 40 oC it keep going back to 18oC. Does this need replacing, or is it a deeper problem with the sensor. I have 230v...
  5. F

    Shading on Sanyo HIT240 panels

    Turned up on this instal to put in inverters and found this abortion. As you can see i have a little bit of a shading problem (11am) to say the least LOL I have a 150 of these and they are all the same. 10 rows of 15. Can someone tell me the ramifications as to the by-pass diodes with this...
  6. a1guvner

    Day works - How far would you go

    A while back whilst carry out day works for a main contractor (small old school firm) boss man asks if we could bypass his meter on a TBS while he contructs a new build, of course declined to get implicated in this kind of work. but if he did manage to find someone to do this would it be on his...
  7. P

    sanyo hit 250eo1 panels bypass diodes

    Hi all Does anyone have info relating to how many and any wiring diagram for bypass diodes on any HIT panel?
  8. P

    External bypass diodes - anybody use em?

    As the post suggests really, looking a 5.5kWp array (that we've just been granted DNO approval for, yay!) but I have expressed concerns over shading from a nearby chimney and would rather reduce the size of array to remove modules from the firing line! Customer, however, is firmly of the belief...
  9. D

    UPS and three way bypass switch...

    Don't know if anyone can give some insight on this: UPS and a three way bypass switch:<br>Position 1 - &nbsp;Normal (UPS Power)<br>Position 2 - &nbsp;Bypass &amp; UPS (Mains Power / UPS On)<br>Position 3 - &nbsp;Bypass (Mains Power / UPS Off)<br><br>What could overload the UPS and cause it to...
  10. silver surfer

    Earth loop tests on circuits with UPS backup

    What is the proper procedure for ELI testing circuits with UPS back up, ie radial circuits under computor room floors? Do you test with the mains bypass connected? with the UPS/ mains in normal operation? or in UPS status only?, ie mains failure. Thanks.
  11. D

    Shading & bypass diodes

    Chaps, We're just installing a 6 panel array in which one of the panels gets shaded around 2pm. There's no room to move it out of the shade and we can't put in fewer panels without moving to micro-inverters (which we're not yet experienced with). Just thinking through how much of an effect...
  12. F

    iPhone users

    Has anyone else being effected by apples incompetence? I woke up late again! It's a massive slap in the face the third time since the iPhone 4's release! In order of appearance: 1. Reception issues (Aerial fault) 2. Phone lock (Can be bypassed) 3. Alarm clock (Not updated) The way to fix...

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