System Sensor 2W-B Bedienungsanleitung
System Sensor
Rauchmelder
2W-B
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3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
www.systemsensor.com
INSTALLATION AND MAINTENANCE INSTRUCTIONS
Photoelectric Smoke Detector
Models: 2W-B, 2WT-B, 4W-B, 4WT-B
Series
BEFORE INSTALLING
Please read thoroughly System Sensor’s Applications Guide for System Smoke
Detectors (SPAG91), which provides detailed information on detector spacing,
placement, zoning, wiring, and special applications. This manual is available
online at www.systemsensor.com. s
NOTICE: This manual shall be left with the owner/user of this equipment.
IMPORTANT: This detector must be tested and maintained regularly following
NFPA 72 requirements. At a minimum, cleaning should be performed annually.
GENERAL DESCRIPTION
Models 2W-B and 2WT-B are 2-wire photoelectric smoke detectors; models
4W-B and 4WT-B are 4-wire photoelectric smoke detectors. All models in-
corporate a state-of-the-art optical sensing chamber and an advanced micro-
processor. The microprocessor allows the detector to automatically adjust its
sensitivity back to the factory setting when it becomes more sensitive due to
contaminants settling in its chamber. In order for this feature to work prop-
erly, the chamber must never be opened while power is applied to the smoke
detector. This includes cleaning, maintenance or screen replacement. Should
it become necessary, the screen/sensing chamber is field replaceable. Mod-
els 2WT-B and 4WT-B also feature a restorable, built-in, fixed temperature
(135°F) thermal detector and are also capable of sensing a freeze condition if
the temperature is below 41°F.
All i3 Series detectors are designed to provide open area protection. Two-wire
models must be used with compatible UL Listed panels only.
When used with an i3 Series compatible control panel or the i
3 Series 2W-
MOD2 module (refer to installation manual D500-46-00), the 2W-B and 2WT-B
are capable of generating a “maintenance needed” signal. The 2W-MOD2 can
indicate a need for cleaning, replacement, or a freeze condition (2WT-B only)
at the control panel or module.
Installation of the 2W-B, 2WT-B, 4W-B, and 4WT-B detectors is simplified by
the use of a mounting base that may be pre-wired to the system, allowing the
detector to be easily installed or removed. The mounting base installation is
further simplified by the incorporation of features compatible with drywall
fasteners.
Two LEDs on the detector provide a local visual indication of the detector’s status:
TABLE 1: DETECTOR LED MODES
Green LED Red LED
Power-up Blink 10 sec Blink 10 sec
Normal (standby) Blink 5 sec —
Out of sensitivity Blink 5 sec—
Freeze Trouble Blink 10 sec—
Alarm — Solid
After an initial power-up delay, the red and green LEDs will blink synchro-
nously once every ten seconds. It will take approximately 80 seconds for the
detector to finish the power-up cycle (see Table 2).
TABLE 2: POWER-UP SEQUENCE FOR LED STATUS INDICATION*
Condition Duration
Initial LED Status Indication 80 seconds
Initial LED Status Indication
(if excessive electrical noise is present)
4 minutes
*Refer to Electrical Specifications for start-up time in conjunction with panel
alarm verification.
NOTE: If, during power-up, the detector determines there is excessive electri-
cal noise in the system such as those caused by improper grounding of the
system or the conduit, both LEDs will blink for up to 4 minutes before display-
ing detector status (see Table 2).
I56-1800-014
ELECTRICAL SPECIFICATIONS 2-WIRE 4-WIRE
System Voltage –Nominal: 12/24 12/24 Volts Non-polarized
Min.: 8.5 8.5 Volts
Max.: 35 35 Volts
Max. Ripple Voltage: 30 30 % peak to peak of applied voltage
Max. Standby Current: 50 50 µA average
Peak Standby Current: 100 — µA
Max. Alarm Current: 130 20 mA 12 Volt Systems
(For 2W-B and 2WT-B, panel must limit current) 130 23 mA 24 Volt Systems
Alarm Contact Ratings: — 0.5 Amp @ 30 V AC/DC
Alarm Reset Time: 0.3 0.3 sec
Max. Start-up Capacitance: 0.1 — µF
Latching Alarm: Reset by momentary power interruption
Maximum Initial
Start-up Time: 45 15 sec
Alarm Verification*
Start-up Time: 15 15 sec
*Assumes the panel’s alarm verification reset time is 10 seconds or less. Should the alarm verification reset exceed 10 seconds, use the maximum initial start-up time.
PHYSICAL SPECIFICATIONS
Heat Sensor (Model 2WT-B and 4WT-B): 135°F (57.2°C)
Freeze Trouble (Model 2WT-B and 4WT-B): 41°F (5°C)
Operating Temperature Range:
2W-B and 4W-B: 32 to 120°F (0 to 49°C)
2WT-B and 4WT-B: 32 to 100°F (0 to 37.8°C)
Operating Humidity Range: 0 to 95% RH non-condensing
Storage Temperature Range: –4 to 158°F (–20 to 70°C)
Diameter (including base): 5.3 inches
Height (including base): 2.0 inches
Weight: 6.3 oz.
1 I56-1800-014
02-02
After power-up has completed and the detector is functioning normally within
its listed sensitivity range, the green LED blinks once every five seconds. If the
detector is in need of maintenance because its sensitivity has shifted outside
the listed limits, the red LED blinks once every five seconds. When the detec-
tor is in the alarm mode, the red LED latches on. The LED indication must not
be used in lieu of the tests specified under Testing. In a freeze trouble condi-
tion, the red LED will blink once every 10 seconds. (See Table 1.)
To measure the detector’s sensitivity, the i
3 Series Model SENS-RDR Infrared
Sensitivity Reader tool should be used. (See Figure 4.)
Models 2W-B and 2WT-B also include an output that allows an optional Model
RA100Z Remote Annunciator to be connected.
MOUNTING
Each i3 Series detector is supplied with a mounting base that can be mounted:
1. To a single gang box, or
2. To a 31⁄2-inch or 4-inch octagonal box, or
3. To a 4-inch square box with a plaster ring, or
4. Direct mount or to ceiling using drywall fasteners. (See Figure 2.)
FIGURE 1: MOUNTING OF DETECTOR
S0121-00
The i3 Series heads and bases are keyed so that a 2-wire head will only mount
to a 2-wire base, and a 4-wire head will only mount to a 4-wire base. The
heads and bases are clearly identified as either 2-wire or 4-wire. When mount-
ing the i3 Series, ensure that the head is mounted to the correct base.
TAMPER-RESISTANT FEATURE
The i3
Series detectors include a tamper-resistant feature that prevents re-
moval from the mounting base without the use of a tool. To engage the tam-
per-resistant feature, cut the small plastic tab located on the mounting base
(Figure 2), and then install the detector. To remove the detector from the base
once it has been made tamper resistant, use a small screwdriver to depress the
square tamper release tab, located on the skirt of the mounting base, and turn
the detector counterclockwise.
FIGURE 2: TAMPER-RESISTANT FEATURE
SNAP OFF BTA
FOR MPER LOCKTA
TAMPER
RELEASE BTA
DIRECT MOUNT
HOLES
S0226-00
DO NOT INSTALL DETECTORS IN THE FOLLOWING AREAS:
• In or near areas where particles of combustion are normally present
such as kitchens; in garages (vehicle exhaust); near furnaces, hot water
heaters, or gas space heaters.
• In very cold or very hot areas.
• In wet or excessively humid areas, or next to bathrooms with showers.
• In dusty, dirty, or insect-infested areas.
• Near fresh air inlets or returns or excessively drafty areas. Air condition-
ers, heaters, fans, and fresh air intakes and returns can drive smoke
away from the detector.
Consult NFPA 72, the local Authority Having Jurisdiction (AHJ), and/or ap-
plicable codes for specific information regarding the spacing and placement
of smoke detectors.
CAUTION
Smoke detectors are not to be used with detector guards unless the combina-
tion has been evaluated and found suitable for that purpose.
WIRING INSTALLATION GUIDELINES
All wiring must be installed in compliance with the National Electrical Code,
applicable state and local codes, and any special requirements of the local
Authority Having Jurisdiction.
Proper wire gauges should be used. The conductors used to connect smoke
detectors to the alarm control panel and accessory devices should be color-
coded to reduce the likelihood of wiring errors. Improper connections can
prevent a system from responding properly in the event of a fire.
The screw terminals in the mounting base will accept 14–22 gauge wire. For
best system performance, all wiring should be installed in separate grounded
conduit; do not mix fire alarm system wiring in the same conduit as any other
electrical wiring. Twisted pair may be used to provide additional protection
against extraneous electrical interference.
Wire connections are made by stripping approximately 1⁄4-inch of insulation
from the end of the feed wire, inserting it into the proper base terminal, and
tightening the screw to secure the wire in place.
TWO-WIRE COMPATIBILITY
System Sensor two-wire smoke detectors are marked with a compatibility
identifier located on the label on the back of the product. For two-wire models
2W-B and 2WT-B, connect detectors only to compatible alarm control panels
as identified by System Sensor’s compatibility chart. This chart contains the
current list of detectors and UL Listed compatible control units. A copy of this
list is available from System Sensor upon request.
WIRING DIAGRAMS
FIGURE 3A: WIRING DIAGRAM, 2W-B AND 2WT-B
2-WIRE
ZONE
2-WIRE
CONTROL
PANEL
+
–
2W-B or
2WT-B
(5) RA –
(4) RA +
(3) – IN/OUT
(2) + OUT
(1) + IN
(5) RA –
(4) RA +
(3) – IN/OUT
(2) + OUT
(1) + IN
RA100Z
2W-B or
2WT-B
RA100Z
EOL
RESIST
OR
S0133-01
FIGURE 3B: WIRING DIAGRAM, 4W-B AND 4WT-B
AUX OR
SMOKE
POWER
IDC
4-WIRE
CONTROL
PANEL
+
+
–
–
4W-B or
4WT-B
(5) COM
(4) NO
(3) – IN/OUT
(2) + OUT
(1) + IN
EOL
RELAY
(EOLR-1
)
EOL
RESISTOR
4W-B or
4WT-B
(5) COM
(4) NO
(3) – IN/OUT
(2) + OUT
(1) + IN
S0134-01
2 I56-1800-014
02-02
2-WIRE I3 DETECTOR WIRED IN STYLE D CONFIGURATION:
CAUTION
Any 2-wire i3 smoke detector (2W-B, 2WT-B, 2WTA-B, or 2WTR-B) wired
in the Style D initiating device circuit (IDC) configuration requires the use
of a 2W-MOD2 module. This is because fire alarm control panels vary by
manufacturer on the implementation of Style D circuits. Therefore, the only
way to insure proper operation of 2-wire i
3 smoke detectors (2W-B, 2WT-B,
2WTA-B, or 2WTR-B) on Style D IDC’s is to use a 2W-MOD2 module. Refer to
the 2W-MOD2 installation manual, document D500-46-00, for Style D wiring
diagrams. The 2W-MOD2 installation manual may be downloaded from the
System Sensor web site at www.systemsensor.com.
INSTALLATION
WARNING
Remove power from alarm control unit or initiating device circuits before in-
stalling detectors.
NOTE: To install units so that corresponding LEDs are lined up, refer to the
“Green LED” indicator on the base.
1. Wire the mounting base screw terminals per Figure 3a or Figure 3b, as
applicable.
2. Place detector on the base and rotate clockwise. The detector will drop
into the base and lock into place with a “click”.
3. After all detectors have been installed, apply power to the alarm control
unit.
4. Test each detector as described in Testing.
5. Reset all the detectors at the alarm control unit.
6. Notify the proper authorities that the system is in operation.
CAUTION
Dust covers are an effective way to limit the entry of dust into the smoke de-
tector sensing chamber. However, they may not completely prevent airborne
dust particles from entering the detector. Therefore, System Sensor recom-
mends the removal of detectors before beginning construction or other dust
producing activity. When returning the system to service, be sure to remove
the dust covers from any detectors that were left in place during construction.
TESTING
Detectors must be tested after installation and following maintenance.
NOTE: Before testing, notify the proper authorities that maintenance is being
performed and the system will be temporarily out of service. Disable the zone
or system undergoing maintenance to prevent any unwanted alarms.
Ensure proper wiring and power is applied.
After power up, allow 80 seconds
for the detector to stabilize before testing.
Test i3 Series detectors as follows:
A. TEST SWITCH
1. An opening for the recessed test switch is located on the detector hous-
ing (See Figure 4).
2. Insert a small screwdriver or allen wrench (0.18˝ max.) into the test
switch opening; push and hold.
3. If the detector is within the listed sensitivity limits, the detector’s red
LED should light within five seconds.
FIGURE 4: RECESSED TEST SWITCH OPENING AND SENS-RDR POSITION
PUSH RECESSED
SWITCH WITH A
0.18 MAX.≤
DIAMETER TOOL
LED
RECESSED TEST SWITCH
POSITION SENS-RDR
AT AN ANGLE ON THE
OVAL AREA OR THEAT
CHAMBER OPENING
BY THE WORD “PAINT”
S0135-00
B. SMOKE ENTRY TEST
Canned aerosol simulated smoke (canned smoke agent) may be used for
smoke entry testing of the smoke detector. Tested and approved aerosol smoke
products are:
MANUFACTURER MODEL
Home Safeguard Industries 25S, 30S
SDi CHEK02 and CHEK06
SDi SOLOA4
SDi SMOKESABRE-01
When used properly, the canned smoke agent will cause the smoke detector
to go into alarm. Refer to the manufacturer’s published instructions for proper
use of the canned smoke agent.
CAUTION
Canned aerosol simulated smoke (canned smoke agent) formulas will vary by
manufacturer. Misuse or overuse of these products may have long term ad-
verse effects on the smoke detector. Consult the canned smoke agent manufac-
turer’s published instructions for any further warnings or caution statements.
C. DIRECT HEAT METHOD (MODELS 2WT-B AND 4WT-B ONLY)
Using a 1000-1500 watt hair dryer, direct the heat toward either of the thermis-
tors. Hold the heat source about 12 inches from the detector to avoid damage
to the plastic.
NOTE: For the above tests, the detector will reset only after the power source
has been momentarily interrupted.
If a detector fails any of the above test methods, its wiring should be checked
and it should be cleaned as outlined in the Maintenance section. If the detec-
tor still fails, it should be replaced.
Notify the proper authorities when the system is back in service.
LOOP VERIFICATION (MODELS 2W-B AND 2WT-B ONLY)
Loop verification is provided by the EZ Walk loop test feature. This feature
is for use with i3 Series compatible control panels or the i3 Series 2W-MOD2
module only. The EZ Walk loop test verifies the initiating loop wiring and
provides visual status indication at each detector.
1. Ensure proper wiring and power is applied. Wait approximately six min-
utes before performing EZ Walk test.
2. Place control panel or module in EZ Walk Test mode (refer to panel man-
ufacturer’s manual or 2W-MOD2 manual D500-46-00).
3. Observe the LEDs on each detector:
TABLE 3: EZ WALK TEST DETECTOR MODES
Green LED Red LED
Proper Operation Double blink 5 sec —
Out of Sensitivity Double Blink 5 sec—
Freeze Condition Double Blink 10 sec—
NOTE: The EZ Walk loop test must not be used instead of alarm testing.
3 I56-1800-014
02-02
Produktspezifikationen
| Marke: | System Sensor |
| Kategorie: | Rauchmelder |
| Modell: | 2W-B |
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