On a 7756 does 24vac need to be wired to TB4

Issue

On a 7756 does 24vac need to be wired to TB4

Product Line

TAC I/NET

Environment

I/NET Site

Cause

On a 7756 does 24vac need to be wired to TB4

Resolution

If the triacs on the lower board are going to be used then it needs 24vac wired to TB4.