Hi, our company is starting to install Worcester Bosch green star i30 combo boilers. On the old style boiler the internal time clocks were straight forward, just plug in then use LS and LR for room stat connections. But on the new style boilers, there is no LS, just L out and N out which are...
A mate of mine asked me to look at the wiring of a boiler in a flat he is doing up.
As I told him- I am hopeless with central heating.
the boiler is a WB- guessing a combi because there is only a boiler and room stat-no tank, cyl stat etc.
the rads have 'trv's' on them- not sure what these...
Hello all
as above approx 10 yrs old electronic version, showing A1, pump run dry, which is running & also pumping round rads & hot water, sometimes last's for hours sometimes minutes,
if I can get it through symphony fill.
Get hot water & heating, I am thinking a sensor any ideas would be...
I've got a Worcester Greenstar 18i System boiler with integrated pump. The optional DT10RF controller has been installed. The boiler is used only for central heating.
I've also got a Wilo pump with three-way blender mixer connected to the underfloor hydronic pipes. The three-way keeps the...
nhand42
Thread
boiler
control
controls
how to
pump
second
worcester
Hi,
This is my first posting here so apologies for any transgressions, upsets, etc.
I'm going to renovate a house and it's got a fairly large garden. I want to install a Ground Source Heat Pump/system but I've no idea of the minimum size/shape I need to make it work.
Can anyone answer my...
fixit9660
Thread
doing
electrical work
ground
heat
hours
minimum
needed
number
source
worcester
work
Hi all
been called out to a boiler replacement with the above boiler. The problem is it wont run on heating only. have check wiring and all I can spot is that from controller there is no wire going from HW OFF to cylinder stat terminal 2 and grey on valve. Any thoughts and no spare cores in...
How you doing guys,
Been asked to connect up a Worcester Greenstar 37CDi boiler and a Drayton LPIII time switch (there is NO thermostat wanted). Hands up, I've not done a boilers so needing some advice.
I was was thinking along the lines of;
1) Spur supplying boiler with 3 Amp fuse.
2) Spur...
Hi my handle is Worcesterlad and this is my first post,
I have 16 panels of PV on a roof which is south facing, no shadow and 35 degree elevation, perfect position.
The first string is giving 115volts and the second is giving 175volts, the most output is 2.3kW.
When you isolate a string then...
Worcesterlad
Thread
installation
new
problems
solar
solar pv
worcester
Hi All,
I had a small leak on a copper elbow that I was repairing but when I went to switch the water back on I noticed that a connector with purple wires was hanging loose, its wired at one end to the front panel and has a three hole terminal on the end and its on a wiring loom just under the...
Hi all,
I've been asked to wire up this new boiler which is on an existing y-plan system. It should be a simple case of giving it a permanent live...apparently. However on the existing y- plan the over run pump ( in airing cupboard) live comes off the oranges, which I believe to be the s/l...
Hi.
I have to connect up a Worcester Bosch Greenstar 12\18 OIL FIRED Combi boiler with the following;
2 CHANNEL PROG
Zone 1- HW( no cyl stat. no external 2 port valve)
Zone 2- CH Rads (room stat,2 port valve.)
UFH - 1 zone only so no UFH wiring centre
(prog stat,ufh pump,2 port valve,)
I...
Just looking at Ebay and came across this sale you can guarantee they are stolen. So if you or some one you know has had there tools stolen have a look at this Ebay item number 140909384891.
hi, I am relatively new at boiler wiring, but I am trying to learn, - - looking at the diagram for this boiler it has L N Ns Ls Lr, my question: are L and N used internally for pump overrun, internal programmers etc and are the Ns Ls Lr for external controls ?
if using external controls do both...
ianbrookes
Thread
boiler
bosch
electricians' talk
external
help
installer
wiring
wiring help
worcester
I have been asked to add a programmer to a Worcester Bosch boiler. I am more of a commercial industrial spark and don't usually deal with domestic heating switching but want to give it a go. Will any brand of programmer be compatible with a WB boiler and does anyone have a wiring diagram? Also...
At the request of a previous post we just threw up a quick website for a "solar panel swap shop"
It's a very simple site, and has no great pretentions, just to help every one out.
At the moment no posts! - Just pop over and register, and post your requests for panels or surplus panels for...
Guys, I know I've been outspoken over a few issues, however I hope you have found my contributions valuable.
Due to the FiT changes, I am going to be unable to contribute much to the forum over the next 6 weeks, as we have now got 5 months scheduled work to fit into 6 weeks.
This has left me...
As we've had a few questions on the worcester bosch installations recently, here's a link to the worcester bosch installation guides:
Gas boilers from Worcester - Worcester, Bosch Group UK installer site
dear all,
i am going to wire a worcester conventional boiler, the old oiler, has Perm L, N, E, Pump L and Switch L, but the worcester boiler has:
1. Main L
2. Main N,
3. E
4. Ls
5. Lr,
6, Ns,
7, External Pump Nz
8, External Pump Lz
i dont know connect which to which really, anyone can help...
I'm in the middle of reviewing our mcs documentation including risk assessments and have realised that we haven't got a specific on roof dc connection risk assessment for our roofers. Does anyone else have one specifically for the roofers?
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