System-sensor 2451 User Manual download pdf (Page 2)

D400-02-01 2 I56-277-10R

Installation

NOTE: Wiring must conform to applicable local codes,

ordinances, and regulations.

NOTE: Verify that all detector bases are installed, that

the initiating-device circuits have been tested, and

that the wiring is correct. (Refer to detector base

manual for testing procedure.)

WARNING

Disconnect power from initiating-device circuits before

installing detectors.

1. Install detectors:

a. Place the detector into the detector base

b. Turn the detector clockwise until the detector drops

into place.

c. Continue turning detector clockwise to lock it in

place.

2. Tamper-Resistance: This detector includes a tamper-

resistant feature that prevents removal of the detector

without the use of a tool. To make the detector tamper-

resistant, break off the smaller tab at the scribed line

on the tamper-resistant tab, on the detector mounting

bracket, then install the detector. To remove the detector

from the bracket once it has been made tamper-resistant,

use a pocket screwdriver, or similar tool, to depress the

tamper-resistant tab located in the slot on the mounting

bracket. Then, turn the detector counterclockwise until

it separates from the base.

3. After all detectors have been installed, apply power to

the control unit.

4. Test the detector using the magnet or the test card as

described under TESTING.

5. Reset the detector at the system control panel.

6. Notify the proper authorities that the system is back on

line.

CAUTION

Dust covers can be used to help limit dust entry to the

detector, but they are not a substitute for removing the

detector during building construction. Remove any dust

covers before placing system in service.

CAUTION

Smoke detectors are not to be used with detector guards

unless the combination has been evaluated and found

suitable for that purpose.

Figure 1. Bottom and side views showing position of test magnet:

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 

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C0495-00

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