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My Honeywell DT92E wireless thermostat keeps overriding the timer and turning my boiler on. Why is this happening and how can I stop it?

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Posted on Jan 02, 2017

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SOURCE: We have a newly installed

You have wired the cooling (yellow) and the heating (white) backwards.

Posted on Sep 19, 2008

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  • 1 Answer

SOURCE: require room thermostat for ferroli combi boiler

Get a Ferroli wireless programmable room stat. City plumbing supplies can get hold of them but you'd be looking at approx £130. Part number 30800009. No wiring involved, the receiver connects to the boiler pcb. Had same problem but now fine.

Posted on Mar 12, 2009

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SOURCE: hot water boiler will not ignite

Check all your limit switches on this unit. One of them is either tripped or bad.

Posted on Apr 07, 2009

Therinnaiguy
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SOURCE: I have a Honeywell Thermostat CM67NG The flame

You may have a broken thermostat wire. Disconnect the wires from the thermostat and please note what colors are hooked to which terminals. Cross the R and W wires and see if your heating system turns on. If it does not, you have a broken wire or bad connection at the heating system. If it does start, you have a bad thermostat or bad connection at the thermostat.

Posted on Nov 30, 2009

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SOURCE: How do I set the

To set the temporary override, press arrows up or down to desired temp. This will keep temperature
at temporary setting for 2 hours then return to programming. To permanent override press MODE button until schedule period number disappears (number inside little house on stat). Then adjust temp with arrows. Press the MODE button again to cancel override and return to programmable.

Posted on Jan 25, 2011

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