Fire-Lite AD355 Addressable Photoelectric Smoke Sensors - Manual

F300-24-00 1 I56-1971-00R
Fire•Lite, One Fire•Lite Place, Northford, CT 06472, (203) 484-7161
SD355, SD355T and AD355 Addressable Photoelectric Smoke Sensors
Installation and Maintenance Instructions
This sensor must be installed in compliance with the control panel system installation manual. The installation must meet the requirements of the Authority Having
Jurisdiction (AHJ). Sensors offer maximum performance when installed in compliance with the National Fire Protection Association (NFPA); see NFPA 72.
GENERAL DESCRIPTION
Model SD355, SD355T and AD355 are addressable sensors that combine a state-of-the-art photoelectronic sensing chamber with communications. The sen-
sors transmit an analog representation of smoke density over a communication line to a control panel. Rotary decade switches are provided for setting the sen-
sor’s address.
Two LEDs on the sensor are controlled by the panel to indicate sensor status. An output is provided for connection to an optional remote LED annunciator (P/N
RA400Z). Models AD355 and SD355T combine a photoelectronic sensing chamber and 135°F (57.2°C) fixed temperature heat detector.
SPECIFICATIONS
Operating Voltage Range: 15 to 32 VDC
Standby Current: 300µA @ 24 VDC (one communication every
5 seconds with LED blink enabled)
Max. Alarm Current (LED on): 6.5 mA @ 24 VDC
Operating Humidity Range: 10% to 93% Relative Humidity, noncondensing
Operating Temperature Range: 0° to 49°C (32° to 120°F); SD355
Operating Temperature Range: 0° to 38°C (32° to 100°F); SD355T and AD355
Height: 2.1 inches (51 mm) installed in B350LP Base
Diameter: 6.2 inches (155 mm) installed in B350LP Base
Weight: 5.2 oz. (147 g)
SPACING
Fire•Lite recommends spacing sensors in compliance with NFPA 72. In low air flow
applications with smooth ceilings, space sensors 30 feet apart. For specific informa-
tion regarding sensor spacing, placement, and special applications, refer to NFPA 72
or the
System Smoke Detector Application Guide available from Fire•Lite.
WIRING INSTRUCTIONS
All wiring must be installed in compliance with the National Electrical Code, applicable local codes, and any
special requirements of the Authority Having Jurisdiction. Proper wire gauges should be used. The installation
wires should be color-coded to limit wiring mistakes and ease system troubleshooting. Improper connections
will prevent a system from responding properly in the event of a fire.
Remove power from the communication line before installing sensors.
1. Wire the sensor base (supplied separately) per the wiring diagram, see Figure 1.
2. Set the desired address on the sensor address switches, see Figure 2.
NOTE: Some panels support extended addressing. In order to set the sensor above address 99 on compat-
ible systems, carefully remove the stop on the upper rotary switch with thumb or as shown in Figure 2.
3. Install the sensor into the sensor base. Push the sensor into the base while turning it clockwise to secure it
in place.
4. After all sensors have been installed, apply power to the control unit and activate the communication line.
5. Test the sensor(s) as described in the TESTING section of this manual.
Dust covers provide limited protection against airborne dust particles during shipping. Dust
covers must be removed before the sensors can sense smoke. Remove sensors prior to heavy
remodeling or construction.
TAMPER-RESISTANCE
Models SD355, SD355T and AD355 include a tamper-resistant capability that prevents its removal
from the bracket without the use of a tool. Refer to the base manual for details on making use of this
capability.
TESTING
Before testing, notify the proper authorities that the system is undergoing maintenance, and will tem-
porarily be out of service. Disable the system to prevent unwanted alarms.
All sensors must be tested after installation and periodically thereafter. Testing methods must satisfy
the Authority Having Jurisdiction (AHJ). Sensors offer maximum performance when tested and main-
tained in compliance with NFPA 72. The sensor can be tested in the following ways:
A. Functional: Magnet Test (P/N M02-04-01 or M02-09-00)
This sensor can be functionally tested with a test magnet. The test magnet electronically simulates
smoke in the sensing chamber, testing the sensor electronics and connections to the control panel.
1. Hold the test magnet in the magnet test area as shown.
2. The sensor should alarm the panel.
Two LEDs on the sensor are controlled by the panel to indicate sensor status. Coded signals,
transmitted from the panel, can cause the LEDs to blink, latch on, or latch off. Refer to the control
panel technical documentation for sensor LED operation and expected delay to alarm.
3 2
1
3 2
1
+
-
-
+
UL LISTED COMPATIBLE
CONTROL PANEL
OPTIONAL RETURN LOOP
REMOTE ANNUNCIATOR
+ -
A78-2461-00
Figure 1. Wiring Diagram
TENS
Breakaway Stop
ONES
9
10
11
12
13
14
15
8 7
6
5
4
3
2
1 0
9
8 7
6
5
4
3
2
1 0
Figure 2. Rotary Address Switches
CAUTION: Do not loop wire under
terminals 1 or 2. Break
wire run to provide
supervision of connections.
LED Status
Indicators
Magnet Test
Marker
Test Magnet
Position
Test Magnet
Position
Magnet Test
Marker
A78-2733-00
A78-2745-00
CAUTION
Figure 3.