CATEGORY:
Duct Smoke Detector Housing/Base


LISTEE:

Bosch Security Systems, 130 Perinton Parkway, Fairport, NY 14450



Contact: Frank Mioduszewski (585) 678-3368 FAX (585) 678-3263


DESIGN:

Models D300A, D331A, D332A and D300AHV duct smoke detector units. Each unit
consists of a smoke detector head, Models D282A-DH or D323A-DH (photoelectric type),
plastic enclosure, plastic cover, relays, electrical components, and sampling and exhaust
tubes. The smoke detector heads are not suitable for use as open area detection. Refer to
listee's data sheet for additional detailed product description and operational
considerations.


RATING:

120 VAC, 230 VAC, 24 VAC and 24 VDC


INSTALLATION:
In accordance with listee's printed installation instructions, applicable codes & ordinances and
in a manner acceptable to the authority having jurisdiction.


MARKING:

Listee's name, model designation, electrical rating and UL label.


APPROVAL:
Listed as duct smoke detector units for use with separately listed compatible fire alarm
control units to detect an abnormal amount of smoke density in the return air ducts of air
conditioning and ventilating system. The air velocity in the duct shall be between 300-
4000 fpm.


NOTE:

1. For duct application only. Not suitable for open area protection.
2.

Formerly
3240-0801:199


XL:

3240-0410:155







01-05-2005



This listing is based upon technical data submitted by the applicant. CSFM Fire Engineering staff has reviewed the test results
and/or other data but does not make an independent verification of any claims. This listing is not an endorsement or
recommendation of the item listed. This listing should not be used to verify correct operational requirements or installation
criteria. Refer to listees data sheet, installation instructions and/or other suitable information sources.

Date Issued:

JUNE 29, 2008


Listing Expires June 30, 2009




A
uthorized By:
BEN HO, Chief
Fire Engineering Division