Page 5
Gallagher T20 Reader
Installation Note
Document Code: 3E3140
Edition 3, April 2013
5.
Secure the tamper tab (located in the base) to the mounting surface using
remaining fixing screw provided.
Base
Building cable
No. 6 pan head screw
Tamper tab
6.
Connect the reader tail extending from the facia assembly to the building
cable. Connect the wires, as shown in the following diagram.
Note: Do not cut the “Reserved” wires, as they may be used for future
functions.
Positive
Red
Negative
Black
Reserved
Orange
Reserved
Green
Reserved
Brown
CDXIV TX
White
CDXIV RX
Blue
Car
da
x IV R
eader
7.
Fit the facia assembly into the base by clipping the small lip, into the top of the
base and holding the top, press the bottom of the facia assembly down into
the base.
8.
Insert the M3 Torx Post Security screw (using a T10 Torx Post Security
screwdriver) through the hole at the bottom of the base to secure the facia
assembly.
Note: The Torx Post Security screw needs only to be lightly tightened.
The recommended torque for the security screw is 0.7 Nm (0.5 lb/ft). It is
important not to exceed the maximum torque of 1.5 Nm (1.1 lb/ft).