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replacing a flash timer controller

gordon029 · 2012-12-05 21:29:50

Help''' I have to replace the old flash timer heating control with a new one. The problem is that the old unit had 5 terminals but the new one has only four.I have identified the mains wire which has the standard 3 cables live earth and neutral then I have the wire from the thermostat again 3 core but the cable from the…

05-12-2012 9:29pm

#1

gordon029

Registered Users, Registered Users 2 Posts: 61 ✭✭

Join Date: June 2010

Posts: 37

Help''' I have to replace the old flash timer heating control with a new one. The problem is that the old unit had 5 terminals but the new one has only four.I have identified the mains wire which has the standard 3 cables live earth and neutral then I have the wire from the thermostat again 3 core but the cable from the boiler has 4 cores.Any help would be greatly appreciated.Thank you

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Comments

#2 05-12-2012 10:10pm

Billy Bunting

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Depending on boiler it will have perminent live, switch live, neutral, earth.

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#3 06-12-2012 11:07am

gordon029

Registered Users, Registered Users 2 Posts: 61 ✭✭

Join Date: June 2010

Posts: 37

Hi Thank you for your response. It is an" ideal" wall hung gas boiler.All I an trying to find out is how to wire up the new programmer as there is 1 less terminal in the new model of timer.Any help would be appreciated.

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