®
Series
Velociti
ATD-L2F, ATD-RL2F
Description
The Gamewell-FCI Velociti
®
Series, addressable plug-in
thermal sensors with integral communication provide fea-
tures that surpass conventional sensors. Point ID capabil-
ity allows each sensor’s address to be set, providing exact
locations for pinpointing alarm locations and for selective
maintenance. ATD thermal sensors use an innovative ther-
mistor sensing circuit to produce 135°F/57°C fixed-temper-
ature (ATD-L2F). The ATD-RL2F provides a combination
15°/minute rate-of-rise with 135° fixed thermal detection
that is included in a low-profile package. The ATD-HL2F
provides fixed high-temperature detection at 190°F/88°C.
These thermal sensors provide cost-effective, addressable
property protection in a variety of applications.
The Velociti
®
Series uses a communication protocol that
substantially increases the speed of communication
between the sensors and Gamewell-FCI analog address-
able fire alarm controls. These devices operate in a
grouped fashion. If one of the devices in the group has a
status change, the panel’s microprocessor stops the group
poll and concentrates on the single device. The net effect
is response speed up to five times greater than earlier
designs.
ATD-L2F
Addressable Thermal Sensor
Features
• Sleek, low-profile design
• Visual rotary switch addressing
• Built-in functional test switch activated by an external
magnet
• Bicolor LEDs flash green whenever the sensor is
addressed, and light steadily red on alarm*
• Optional relay, isolator, or sounder bases
• Low standby current
• Addressable communication
• Stable communication technique with noise immunity
• Optional remote, single-gang LED accessory
(RA-400Z)
• Suitable for installation in ducts
Note: *Only the red LED is operative in panels that do not operate
in Velociti
®
mode.
Installation
ATD plug-in sensors use a separate base to simplify instal-
lation, service, and maintenance. A special tool allows
maintenance personnel to plug-in and remove sensors
without using a ladder.
Mount the base on a box which is at least 1.5" (3.8 cm)
deep. Suitable mounting base boxes include:
• 4.0" (10.2 cm) square box.
• 3.5" (8.9 cm) or 4.0" (10.2 cm) octagonal box.
• Single-gang box (except relay or isolator base).
• With B501BH or B501BHT base, use a 4.0" (10.2 cm)
square box.
• With B224RB or B224BI base, use a 3.5" (8.9 cm)
octagonal box, or a 4.0" (10.2 cm) octagonal or square
box.
NOTE: Because of the inherent supervision provided by
the SLC, end-of-line resistors are not required. Wiring “T-
taps” or branches are permitted for Style 4 (Class “B”)
wiring.
Velociti
®
and E3 Series
®
are registered trademarks of Honeywell
International Inc.
UL
®
is a registered trademark of Underwriters Laboratories Inc.
An ISO 9000-2000 Company
SIGNALING
FM
S2332
APPROVED
Approved
3023594
219-02-E Vol.VI 07270-0694:256
MEA
Specifications are for information only, are not intended for installation purposes, and are subject to change without notice. No responsibility is assumed by Gamewell-FCI for their use.
www.gamewell-fci.com
9020-0620 Rev. C3 page 1 of 2
©2008 by Honeywell International Inc. All rights reserved.
12 Clintonville Road, Northford, CT 06472-1610 USA • Tel: (203) 484-7161 • Fax: (203) 484-7118
GAMEWELL-FCI
Specifications
Size:
2.1"
(5.3 cm)
high x 4.1"
(10.4 cm)
diameter installed in B501 base,
6.1"
(15.5 cm)
diameter installed in
ADB-FLF base
4.8 oz. (137 g)
Specifications
Bases and Options
ADB-FLF
B501
B501BH or
B501BHT
B224RB
Relay Base
6.1” (15.5 cm) diameter standard base
4.1” (10.4 cm) diameter flangeless base
Sounder base assembly (B501BHT
produces a Temporal Pattern) includes
B501 base
Up to 14 AWG (2.0 mm2)
Relay type: Form-C
Rating:
2.0A @ 30 VDC resistive
0.3 A @ 110 VDC inductive
1.0 A @ 30 VDC inductive
6.2”:
(15.7 cm)
x 1.2”
(3.0 cm)
Shipping Weight:
Operating
Temperature:
ATD-L2F or
ATD-RL2F
ATD-HL2
Sensor Spacing:
Relative Humidity:
ATD-L2F
ATD-RL2F
ATD-HL2F
–4° F to 100° F (–20° C to 38°C)
–4° F to 150°F (–20 C to 66°C)
UL
®
approved for 50 ft.
(15.2 m)
center to center
FM approved for 25 x 25 ft.
(7.6 x 7.6 m)
spacing
10 – 93% (non-condensing)
Fixed-temperature setpoint
135°F (57°C)
Combination 135° F fixed
temperature and 15° (8.3°c) per
minute rate-of-rise°
Fixed-temperature setpoint
190°F (88°C)
B224RB
Relay Base
Dimensions:
B224BI
Isolator Base
Dimensions:
RA-400Z
BCK-200
6.2”
(15.7 cm)
x 1.2”
(3.0 cm)
Maximum 25 devices between isolator
bases
Remote alarm indicator, LED
Black detector covers (box of 10)
Electrical Specifications
Voltage Range:
15 - 32 volts DC peak
Standby Current:
200 mA @ 24 VDC
(without communication)
max. avg.)
.0003 A @ 24 VDC
(one communication every 5 seconds
with LED enabled)
LED Current
(max.)
.0065 A @ 24 VDC (LED lit)
Voltage Range
15 –32 volts DC peak
Ordering Information
Model
ATD-L2F
ATD-RL2F
ATD-HL2F
Description
Addressable thermal sensor, fixed, 135° F
Addressable thermal sensor, combination
fixed,135° F and 15°/minute rate-of-rise.
Addressable thermal sensor, fixed, 190° F
12 Clintonville Road, Northford, CT 06472-1610 USA • Tel: (203) 484-7161 • Fax: (203) 484-7118
9020-0620 Rev. C3 page 2 of 2
www.gamewell-fci.com
GAMEWELL-FCI
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