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Central Heating & Storage Heaters Forum
Vaillant 824 Wiring Issues
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<blockquote data-quote="steptoe" data-source="post: 394741" data-attributes="member: 7"><p>ok, so you have a combi boiler,</p><p></p><p>why have you a valve for the hot water?</p><p></p><p>that doesnt make sense</p><p></p><p>actually, why do you have a valve for the central heating?</p><p></p><p>do you have a large house with 2 heating zones, and NO hot water valve?</p><p></p><p>.</p><p></p><p>also, how are you putting a voltage onto the grey at the valve?</p><p></p><p>to do it properly you should be taking a signal from your boiler out to the grey on your valve,</p><p></p><p>but, unless you have 2 separate heating zones Im lost as to why you have 2 zone valves,</p><p></p><p>there should not be a valve on your hot water,</p><p></p><p>or,</p><p></p><p>are you heating a cylinder? which seems a bit stupid with a combi.</p><p></p><p>also,</p><p></p><p>where is your room thermostat connected to?</p></blockquote><p></p>
[QUOTE="steptoe, post: 394741, member: 7"] ok, so you have a combi boiler, why have you a valve for the hot water? that doesnt make sense actually, why do you have a valve for the central heating? do you have a large house with 2 heating zones, and NO hot water valve? . also, how are you putting a voltage onto the grey at the valve? to do it properly you should be taking a signal from your boiler out to the grey on your valve, but, unless you have 2 separate heating zones Im lost as to why you have 2 zone valves, there should not be a valve on your hot water, or, are you heating a cylinder? which seems a bit stupid with a combi. also, where is your room thermostat connected to? [/QUOTE]
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