Secutron MR-2300 Series Addendum For Installation Instructions

Mechanical Installation for the MR-2300 and MR-2320 Series Backboxes and
Chassis
All the MR-2300 Series Fire Alarm Panels including the MR-2320 Series have a new chassis. See the following diagrams;
Figure 1 for the small panel versions of all the series and Figure 2 for the larger panel version of the MR-2300 series.
Figure 1: Backbox and Trim Ring Dimensions for Models MR-2303-DR/-DDR,
MR-2306-DDR, and MR-2320-R/-W/-DR/-DW
PLACE MR-2306-FT TRIM RING OVER BACKBOX
Adhere trim ring to
wall surface around
22.5"
the MR-2303 and
MR-2306 backboxes.
17"
MR-2300 and MR-2320 Series
1.5"
14.5"
4.0"
3.5"
1"
3.5" is the maximum depth
1" is the minimum depth
for semi-flush mounting
above the wall required
using the flush trim ring
for semi-flush mounting
using the flush trim ring
LT- 1087SEC Rev. 0
Addendum for New Chassis

Installation Instructions

Mounting Holes for
Surface Mounting
Mounting Holes for
Surface Mounting
14.5"
Nov 2010 Page 1 of 2
20.0"