Can anyone point me in the direction of a good business plan. There'sa few bits of mine that I'm clueless about what to write, with hindsight I should have asked a few more questions of the business advisor.
Hi Guys,
Just a bit of knowledge really, I have a customer requesting a job which involves me wiring up his heating system
Worcester Bosch 35 CDI Combi Boiler
Worcester Bosch Greenstar (believe its a condensing boiler)
3 Honeywell Zone Valves ( Undrfloor Heating, Flow and return?)
Megaflow...
Doing my first complicated heating system in a few days time , only ever done combi boilers so a bit unsure about a few things. If I follow the wiring diagram just like it is will everything work okay? surely thats to easy im thinking there must be more to it. Also ive been told the boiler needs...
hi heating is connected as "C" plan at the minute with 1 CH Zone controlled by motorized valve
i know i need a pipe stat on flow pipe from back boiler
but dont know connections....
idea is that when flow becomes hot it will fire back boiler pump & CH circulation pump to dump heat
thanks
If the cylinder isn't full of hot water and you turn a hot tap on, will boiler give you hot water or does cylinder need to fill up 1st?? daft question i know...
And connected potterton boiler and read in the manual that there was no need for a permanent live if system is completely trv'd. So...
Hi, Please bare with me. I have attached a diagram of the plumbing that has been done to create the UFH. and the current wiring diagram for the CH and HW,
My problem is i have heard alot about "bakfeed" to the mid position valve through the orange wire. Is there a wiring diagram including my new...
The question is pretty much in the title, if you were converting from Y plan to S plan I'm not sure what you would do with the cylinder stat satisfied wire, would you simply put a connector on the other end in case it were ever needed in the future?
Thanks for any help
Down2earth
I have a old (1970s) Draton 3 port valve that I am trying to wire into my wiring centre on my heating. The coloured wires are as follows: yellow, black, blue, white and green/yellow. I have managed to track these down to (at the bottom of this wiki page):
Yellow - CH & HW
Black - Neutral
Blue...
Evening all.
Getting a little confused with regards the wiring for a Y plan when there is no controller to wire to (an internal programmer is being fitted).
Since the main feed is wired into the boiler, then a switched live, switched neutral and boiler demand is taken to the wiring centre (no...
Hi Guys & Gals,
Can anyone tell me where I can get a business plan template for electricians, for FREE? Basically I am thinking of getting a small business loan :hanged: but I need to have a business plan. Im wanting something that has most of the general info already written in it so all I...
Hi guys, I have offered to help a neighbour out by wiring up their new CH.
They have the following kit:
Honeywell ST9500C controller
DT90e thermostats (one upstairs, one downstairs)
2off 2 port valves
Worcester Bosch 25si condensing Combi
They've lost the wiring diagram for the controller -...
Don't do much heating stuff, so after a bit of advice please.
Have Y Plan System in my place and just recently when the hot water comes on so does the central heating. Even though central heating is set to off (and hot water is on auto) ?
Just to try and prove things have completely...
Can anyone point me in the right direction with where i could find help/info/temolate for writting a maintenance agrement to offer customers to enable me to comply with my MCS inspection. I dont want to steal your secrets , just could do with a bit of help or advice
Chris
dear sir,
My name is Rajesh.B ,working as protection engineer in APTRANSCO,india.
while testing distance relays using doble f6150 , the results are not found satisfactory. any one can help regarding ALSTOM Pd521,ge-d60,siemens 7sj60,ABB-Razoa.
kindly mail me regarding this...
Hi, can you tell me what is required for the AM2 particularly concerning the S plan heating, also how is the solar part of it linked to the S plan part? I have a wiring diagram for the Splan connections but can't see how the solar will link.
Thank you
Can some one advise me on a problem im having with this heating system.
Ive wired the programmer exactly how the instrustions said. it exactly like this diagram
S-Plan
the thing i dont understand is the boiler has a seperate output which is L-N-E to the pump
Then L-N-E & R(switched...
Iv done a few heating systems now but no where near an expert yet but im a bit stuck because all the s plan systems iv done in the past have an external pump but this system is a vaillant boiler with an internal pump. So just need to know how to alter the wiring from external pump to internal...
Iv done a few heating systems now but no where near an expert yet but im a bit stuck because all the s plan systems iv done in the past have an external pump but this system is a vaillant boiler with an internal pump. So just need to know how to alter the wiring from external pump to internal...
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