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im going to replace a honeywell ST772 programmer with a sunvic sunpro 2000 but cant find a wiring diagram that shows connections from it to a wiring center
only a very simple diagram of the back of the programmer can anyone help please
Thanks
 
Compare the two diagrams on the back of the progs and see what's changed

If you can't work it out from that sorry to say time for a pro
 

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