Data Sheet for Product

Siemens
Smart Infrastructure - Building Products
–4–
usa.siemens.com/fire
Operation – (continued)
Based on the results of the monitoring, the LED indicator flashes the following:
FLASH COLOR CONDITION
FLASH INTERVAL
[in seconds]
GREEN

:
Normal supervisory operation.
Smoke sensitivity is within rated limits.
10
YELLOW: Detector is in trouble and needs replacement. 4
RED: Alarm condition 1
NO FLASH: Detector is not powered.
–

denotes LED can be turned OFF
Please follow the corresponding description of the panel used.
A quick and easy visual inspection of the detector can be done at any time since the appropriate color is displayed via
the LED indicator found on the detector’s faceplate.
Installation
All Model FDOOT441 intelligent, addressable detectors use a surface-mounting base (Model DB-11 or DB-11E), which
mounts on a 4-inch (10.2 cm.) octagonal, square or single-gang electrical back box. The base utilizes screw-clamp
contacts for electrical connections and self-wiping contacts for increased reliability.
The Model DB-11 detector base can be used with the optional Siemens Model LK-11 detector locking kit, which
contains 50 detector locks and an installation tool to prevent unauthorized removal of the detector head. Model DB-
11 has decorative plugs to cover the outer mounting-screw holes.
Model FDOOT441 may be installed on the same initiating circuit with the Siemens Model `H’-series detectors [when
used with Desigo Fire Safety FACPs] –
• HFP-11, HFPT-11
• Model `HMS’-series manual stations
• Model `HTRI’-series interfaces
• Model HCP output-control detection devices
• Model `HZM’-series of addressable, conventional zone modules
Each detector, which is shipped with a protective dust cover, consists of
the following:
• Dust-resistant photoelectric chamber
• Solid-state, non-mechanical thermal sensor
• Microprocessor-based electronics with a low-profile plastic housing
All Model FDOOT441 intelligent detectors are approved for operation with the Underwriters’ Laboratories-specified
temperature range of 32° to 120° (0° to 49°C) ─ depending on heat-detector configuration (see: installation manual
P/N ─ A6V10324655 for further details).
Application Data
Installation of Model FDOOT441 detector requires a two-wire circuit. In many retrofit cases, existing wiring may be used.
`T-tapping’ is permitted only for Style 4 (Class B) wiring. In standard applications Model FDOOT441 is polarity insensitive,
which can greatly reduce installation and debugging times. When operating in NFPA 72 Class-X applications SLC polarity
must be maintained – see XDLC module install document for further details.
Model FDOOT441 fire detectors can be applied within the maximum 30-feet center spacing (900 sq. ft. areas,) as
referenced in NFPA 72. This application guideline is based on ideal conditions
─ specifically, smooth ceiling surfaces with
minimal air movement, and no physical obstructions between potential fire sources and the actual detector. Do not
mount detectors in close proximity of ventilation or heating and air conditioning outlets. Exposed joists or beamed
ceilings may also affect safe spacing limitations for detectors.
Should questions arise regarding detector placement, observe NFPA 72 guidelines. Good fire-protection-system
engineering and common sense dictate how and when fire detectors are installed and used. Contact your local Siemens
─ Fire Safety distributor or sales office whenever you need assistance applying Model FDOOT441 in unusual applications.
Be sure to follow NFPA guidelines and UL Listed / ULC Listed installation instructions
─ included with every Siemens − Fire
Safety detector
─ and local codes as for all fire protection equipment.
1. Model
FDOOT441
addressable
detector
2.
Protective
dust cover
(included)