I have just bought a tempus 1 programmer and need help with the wiring please. I have a Live, Neutral and earth with a yellow and white wire coming from the wall. The timer has a slot for the Live, Neutral and earth so I know where these go however I'm not sure about the yellow and white. There are 4 more slots numbered 1, 2, 3 and 4. 1 is COM, 2 is Off and 3 is On and nothing for 4. What do I do please?
tempus 1 programmer
- Thread starter markco
- Start date
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could try a post on the sparks forum 
I have one in front of me.
Terminals 1 and 3 are the ones which close when there's a call for heat.
Make sure the CH system has a 3AMP fuse so if you get something wrong it shouldn't do damage. We see too many 13A ones, where lots has melted but the fuse is still OK!
Terminals 1 and 3 are the ones which close when there's a call for heat.
Make sure the CH system has a 3AMP fuse so if you get something wrong it shouldn't do damage. We see too many 13A ones, where lots has melted but the fuse is still OK!
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right your not really doing an easy task to explain, if you look on the bk of the old and new programmer there should be a diagramme, it will say live netural common on etc, the easy way would be to check the diagramme of the old clock, find the colour of the wire which goes to common on the old one, which then needs to go to common on the new 1 etc
it gets a little more tricky because some programmers will need a link put between common and on for them to work
it gets a little more tricky because some programmers will need a link put between common and on for them to work
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