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Topic Title: Timeguard TRTO39 4channel programmer
Topic Summary: Wiring?
Created On: 02 November 2013 07:10 PM
Status: Post and Reply
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 02 November 2013 07:10 PM
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circle143

Posts: 220
Joined: 19 July 2007

Hi all,

I have been asked to help resolve a few problems on a vastly overcomplicated heating system. The main issue is that the system has never worked correctly and I have identified several faults both with the wiring and the plumbing.

My question concerns the Timeguard 4 channel programmer. At present the programmer has been supplied with L,N,E - but the four outgoing switch lines have been connected as expected but with some of the terminals looped together. As such I cant be sure if there is a wiring fault here too or if the programmer has been wired incorrectly and possibly damaged and I am unable to get anew programmer off the shelf to test this.

All I need is to switch four separate channels on and off - I have four out going switch lines to control various valves and pumps and I would like to know how these should be connected in the programmer?

Thanks
 02 November 2013 08:07 PM
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colinhaggett

Posts: 365
Joined: 08 July 2004

Links cross commons? Should be simple to test if the programmer is switching ok. It is quite common for these to fail, so you could bypass to prove programmer trouble.
 02 November 2013 08:36 PM
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circle143

Posts: 220
Joined: 19 July 2007

Hi,

There is a link from the incoming L terminal to the 1st common and then to the 2nd common
 02 November 2013 09:28 PM
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colinhaggett

Posts: 365
Joined: 08 July 2004

That's correct for this programmer.
 02 November 2013 09:28 PM
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colinhaggett

Posts: 365
Joined: 08 July 2004

That's correct for this programmer.
 03 November 2013 09:44 AM
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circle143

Posts: 220
Joined: 19 July 2007

Thanks
 03 November 2013 08:45 PM
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HarryJMacdonald

Posts: 254
Joined: 15 May 2002

It might be an idea to leave a diagram showing what you did and why. It could save a lot of time if you are called back to sort out future faults.

Shame the original installer didn't do that - but not unusual!
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