Fire-Lite MS 5012 AC Terminal Block PID

An AC terminal block P N 5012ATB is available for the MS 5012 Communicator backbox The AC terminal block is manda for Canadian versions and optional for all other versions of the The terminal block can only be used on the newer 14.5 x 12.5 x 2.875 backbox It cannot be installed in older smaller 12.0 x 9.0 x 2.75 backbox MS 5012 Terminal Block Installation Drawing 50491 Rev B 1 28 97 ECN 96 493 Make certain all power AC and battery is removed before any connections are made Mount the optional AC terminal block to the lower left of the MS 5012 backbox using two supplied screws Connect AC power wiring to the optional terminal block as shown in the illustration below Connect the black and white wires primary from the MS 5012 system transformer to the optional terminal block as illus below Make certain the black AC wire Hot is connected opposite the black transformer wire and the white AC wire is connected opposite the white transformer wire Make certain that the yellow wires secondary from the MS 5012 system transformer are connected to Terminal Block TB1 in the lower left corner of the MS 5012 main circuit board Install jumper between the terminal block and the backbox ground stud as illustrated below This will be used to provide protection to the panel Make certain the jumper is connected opposite the green AC ground wire on the block Install a solid earth ground connection to the backbox ground stud as illustrated below This will be used to provide protection to the panel Press the AC terminal cover firmly into place Reapply AC and battery power to the MS 5012 Control Communicator Main Circuit Board Backbox