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    central heating only comes on with h water, stumped engineer

    i've checked the voltage and CH only all lives are 241, HW only 241, CH & HW orange & White/brown are 242/243, grey 142, if these are correct then it looks like either flow or electrics at the boiler unless any other suggestions not mentioned arise. i went to plumbers to get something to...
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    central heating only comes on with h water, stumped engineer

    i will invest in a meter and will check the power from all the live wires in all modes, if these are ok i will have a look at reinstalling the wire link though i think i will need more info as to where to find it or what it looks like and maybe how you reinstall it as i have never seen the...
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    central heating only comes on with h water, stumped engineer

    Room stat appears ok, brown is live and the green becomes live, the green striped is unmistakenably earth. The grey is always live except when HW only is on, then orange is live, CH on-grey, orange, white/brown are live, turn Stat down only grey is live, this is regardless of whether the...
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    central heating only comes on with h water, stumped engineer

    i'm using honeywell st9400c timer, hoeywell roomstat, danfoss hsa3 actuater and danfoss wb 12 wiring centre, Room stat brown (Pos 1) becomes live when CH is turned on, when RS is turned up the green (Pos 3) wire becomes live too
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    central heating only comes on with h water, stumped engineer

    Live wires are Room stat, CH, HW, all off- grey R S on, CH, HW off-grey R S off, CH on-grey R S on, HW on, HW off-orange and connected brown R S on, CH on, HW off-grey, white&brown,orange and connected brown R S, CH, HW all on-grey, white&brown,orange and connected brown Recap, HW works...
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    central heating only comes on with h water, stumped engineer

    Thanks all for taking an interest, i agree about not paying if not fixed but after spending 2 hours trying to find the problem and finding out what does work has helped me get to grips with what i can do to find the problem my self, i did not think £20 was bad for a call out. Thanks for your...
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    info needed about wood burners with boiler

    ive no intension of cobbling them together, it would help if i can get some answers. The reason i am looking at a wood burner is because gas is not cheap any more and i can get wood at a good price.
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    info needed about wood burners with boiler

    Hi, im looking to buy a wood burning stove with a boiler but have some questions that i need answering. The size of my room (18'x11'x8') suggests i need about a 4kw output but the with 9 radiators it works out at 10-15 kw,if i got a 10kw, would this be too hot for the room? Do these wood...
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    central heating only comes on with h water, stumped engineer

    Hi and thanks for all the details, i have had another engineer out, 3rd one and again he cannot find out what is wrong, he says everything appears to be working but the boileris either not coming on when ask by CH or it comes on then turns off after about 30 seconds, im not paying for another so...
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    central heating only comes on with h water, stumped engineer

    is the micro switch in the hsa 3? if so this is a brand new one that i fitted with out any change, i do know about new parts not working as i am an auto electrician but i also understand the odds of this hsa 3 having the exact same fault are very slim. As i said the boiler does come on for about...
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    central heating only comes on with h water, stumped engineer

    Hi and thanks for your reply, i have removed the hsa 3 and the valve does move from mid position diagonal when both hw and ch are on to the bottom position, the flat part of the valve at the bottom, hw only flat part moves to the side, so as far as i can see the valve is being moved and water is...
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    central heating only comes on with h water, stumped engineer

    Hi, my Y plan ch will only comeon warm to hot when hw is on, i had engineer out who said everything was working but was scratching his head as to where the return pipe was to the boiler and said he could do no more. i had danfoss hsa 3 which got very warm whether connected to the valve or not...
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    where to find a double pull light switch

    yes i agree, but i dont need the fan to be on every time i go in the bathroom
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    where to find a double pull light switch

    My fan is the run on type but i dont want to use electic when fon is not needed and i dont want switches everywhere, i'm sure i have used a dual action pull switch but i'm not sure where.
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    where to find a double pull light switch

    Hi, im looking for a double pull light switch for my bathroom. Im not sure if this is what it is called, i need a pull switch to firstly turn on the light, then when pulled again to turn on the fan, or its just one pull but it depends on how far you pull as to whether or not they both come on...
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