I apologize....I'm pretty new to this but having fun so far. I'm having trouble connecting my smoke alarm relay to my 120 volt system. The diagram is confusing. I believe red goes to red, white to white....but does black go to the black line in and then blue to the black lead of the  smoke alarm?...or should all three blacks be wired together? Then as far as hooking into connected, is it yellow to a konnected zone and blue to konnected gnd? Here is a link to the wiring diagram 1201-7208-01 (shareddocs.com)


Thanks for your help

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