Paging horn setup opinions

Ben Hart
Ben Hart used Ask the Experts™
paging_horn_system.jpgThe Deal: I have a remote site that will be stood up in the near future.  They will have two Mitel voip phones and a Krono timeclock.  The PTB want to be able to hit a manual on/off button to sound an emergency alarm if needed, and also tie into the timeclock for break buzzes.

The Parts: I will get the horn relay from Kronos, made specifically for things like this.  And the paging horn system - Viking Pa-2a
From what I can tell the Viking amp has a dry contact set of inputs that are to be used by the Kronos relay as well as some manual button.

The Plan: Install as the attached pic demonstrates.  Tying both the button and the relay to the dry inputs just like you could two wall switches and one ceiling fan.

The Question: Just confirming before I spend the dough.. will my plan fly?
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This isnt that complicated...
Yes it will work.  You can put mechanical switches (including relay contacts) in series or parallel to implement AND/OR logic functions.

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