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by Cycletech
Mon Nov 17, 2014 3:55 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Central Heating 3 Way Honeywell Valve Head getting hot
Replies: 7
Views: 33876

Re: Central Heating 3 Way Honeywell Valve Head getting hot

I have been reading more on that this is normal but nothing on Honeywell website! "In the central heating and hot water "both off" state, the system wiring results in grey being live. If the valve happens to be in the A+B or A port open position, SW1 will have been operated, the motor...
by Cycletech
Sun Nov 16, 2014 8:37 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Central Heating 3 Way Honeywell Valve Head getting hot
Replies: 7
Views: 33876

Re: Central Heating 3 Way Honeywell Valve Head getting hot

Hi Proptech The valve I replaced was the same and the programmer is set to HW priority. And I am working to the Y plan Wiring dig http://ww2.justanswer.co.uk/uploads/PL/PlumbersMate/2014-01-19_140230_y_plan.jpg The programmer is a sunvic sunpro 2000 twin channel The only thing is that the room stat ...
by Cycletech
Sun Nov 16, 2014 9:40 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Central Heating 3 Way Honeywell Valve Head getting hot
Replies: 7
Views: 33876

Re: Central Heating 3 Way Honeywell Valve Head getting hot

Hey Proptech Thank you for your response. The valve is a V4073 Wiring as image Also I read this on the internet: 1. "The Honeywell V4073A motorised valve rests in the hot water only position (the heating port, A, is closed) when the valve is de-energised. However, if hot water was satisfied and...
by Cycletech
Sat Nov 15, 2014 2:15 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Central Heating 3 Way Honeywell Valve Head getting hot
Replies: 7
Views: 33876

Central Heating 3 Way Honeywell Valve Head getting hot

Hi All, I replaced a 3 way valve as rads where getting hot when just HW on, that part is now fine. But after CH switches off, from room stat or from programmer/timer, there is a faint buzz coming from the valve head and after a short time the head becomes very HOT! If I switch the heating off from t...
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