Metasys 2551J, Manual

Intelligent Products—2551J and 2551TJ Plug-In Intelligent Photoelectronic Smoke Detector    9

This detector includes a tamper-proof feature that prevents removal of the
detector without the use of a tool.

To make the detector tamper-proof:

1.

Break off the smaller tab at the scribed line on the tamper proof tab on
the detector mounting bracket.

2.

Install the detector.

tm prp rf

P lastic   L ev er

B reak  tab at

d otted  lin e  by

tw ist ing to w ard

c en ter of b a se.

Figure 2:  Activating the Tamper-Proof Feature

To remove the detector from the bracket once it has been made
tamper-proof:

1.

Use a pocket screwdriver, or similar tool, and depress the
tamper-proof tab located in the slot on the mounting bracket.

2.

Turn the detector counterclockwise until it separates from the base.

See the applicable detector base data for the location of the tamper-proof
break-off tab and the location of the tool insertion point.

re m de tc t

U s e sm all-bla de d

s c rew d river to

pu s h  plastic  lev er

in  d irec tion   of  arro w .

Figure 3:  Removing the Detector Head from the Base

The tamper-proof feature may be defeated by breaking and removing
the plastic lever from the base.  However, this prevents using the
feature again.

Tamper-Proof
Feature