Discuss Heating timer Replacement in the The Welcome Forum area at ElectriciansForums.net

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Hi all, I have just registered with this site as I have a faulty switch in my Danfoss Randall 911 timer and, looking at the www, it appears this has been replaced by a TS715SI. I have purchased one on line and was wondering how easy it is to swap over and if the 'service interval' can be overridden ? Thanking you in advance.
 
If I recall correctly, the easiest way to avoid having to over ride the Service Interval Timer is to not set it when installing the programmer as it isn't set by default.
 
Replacing it should be easy enough but safe isolation is not always that straight forward on some heating systems.

Been doing one today which was fed from two different sources which keeps you on your toes I can tell you.

If your not 100% confident with safe isolation and competent enough to know one way or the other I'd give it a dodge and get someone in to do it for you.
 

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