User's Manual
Table Of Contents

Page 9
3E4291 Gallagher T20 Terminal Installaon Note | Edion 1 | August 2016
Copyright © Gallagher Group Limited
Bezel
M3.5 (40 mm) screw
6-32 (32 mm) screw
5. Drill pilot holes for the four corner xing holes and the tamper tab. Secure the bezel to the
mounng surface using the four corner xing screws provided. Secure the tamper tab (located
in the bezel) to the mounng surface using the remaining xing screw provided. It is important
the four corner xing screws are used to ensure the terminal is ush with and ght against the
mounng surface.
Note: It is strongly recommended that you use the screws provided. If an alternave screw is
used, the head must be no larger nor deeper than that of the screw provided.
Bezel
No. 6 pan
head screw
Building cable
Tamper tab
6. Connect the terminal tail extending from the facia assembly to the building cable. Connect the
wires for the appropriate device you wish to interface, either an HBUS device or a Cardax IV
device, as shown: