System Sensor SSK451 User Manual
INSTALLATION AND MAINTENANCE INSTRUCTIONS
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
SSK451 Multi-Signaling Accessory
Specifications
Dimensions: 4.8˝ W x 4.7˝ H x 1.5˝ D (12.2 cm W x 11.9 cm H x 3.8 cm D)
Weight: 0.35 lb. (160 g)
Operating Voltage: 24 VDC
Power Requirements
Standby: 8 mA
Trouble: 16 mA
Alarm w/o strobe: 40 mA
Alarm with strobe: 65 mA
Connections: Strip terminal, 14 AWG to 22 AWG wire
Sounder: 87 dBA at ten feet
Temperature: 14°F to 140°F (-10°C to 60°C)
Humidity: 95% relative humidity; non-condensing
Listing: UL 268A
I56-1222-004
www.systemsensor.com
Notice: This manual should be left with the owner/user of
this equipment.
General Information
The National Fire Protection Association (NFPA) has published codes, standards, and recommended practices for the
installation and use of this product. It is recommended that
the installer be familiar with these requirements, with local
codes, and any special requirements of the local authority
having jurisdiction. For further information, consult NFPA
72 and 90A requirements.
The System Sensor SSK451 multi-signaling accessory is
designed for use with System Sensor DH100ACDC and
DH400ACDC duct smoke detector models and combines a
horn feature with the key-activated test and reset functions.
Green, yellow and red LEDs provide a visual indication of
power, trouble and alarm conditions, respectively.
To meet special code requirements of certain jurisdictions,
an optional PS24LO strobe can be easily added to the
SSK451 to provide visual alarm signaling. A “SMOKE” lens
can be added to the strobe.
The SSK451 can be wired such that its horn produces either
a continuous or a temporal tone. The SSK451 conveniently
installs to a double-gang electrical box.
Contents
1 SSK451 Multi-Signaling Accessory
1 Mounting Hardware Kit (contains 4 mounting screws,
and 2 spacers for optional PS24LO strobe)
1 Installation and Maintenance Instructions
H0482-00
Installation
Wire the SSK451 as shown in Figure 1, for DH100ACDC
duct smoke detectors, or Figure 2, for DH400ACDC duct
smoke detectors. Limit wire runs to 25 ohms or less per
interconnecting wire.
Test Coil Installation
NOTE: When the SSK451 is used with a DH400ACDC duct
smoke detector, a test coil, part number COIL400, must
be ordered separately. When the SSK451 is used with a
DH100ACDC duct smoke detector, a test coil is not required.
The COIL400 is installed in the DH400ACDC duct smoke
detector housing as shown in Figure 3. Please follow the in-
structions enclosed with the COIL400 for proper installation
of the COIL400 to the DH400ACDC duct smoke detector.
D200-94-00 1 I56-1222-004
Figure 1. SSK451 with DH100ACDC Duct Smoke Detector:
COMMON 3
TEMPORAL SELECT 2
ALARM SIGNAL 1
SUPERVISORY SIGNAL 4
RESET 7
TEST 8
POWER (-) 6
POWER (+) 5
SSK451
FIELD INSTALLED
JUMPER FOR
TEMPORAL PATTERN
15 ALARM SIGNAL
3
SUPERVISORY
14
CONTACT
2 RESET
11 TEST
20 AUX. POWER (-)
19 AUX. POWER (+)
DH100 ACDC
NO
FIELD INSTALLED
JUMPER
COMMON 3
TEMPORAL SELECT 2
ALARM SIGNAL 1
SUPERVISORY SIGNAL 4
RESET 7
TEST 8
POWER (-) 6
POWER (+) 5
SSK451
FIELD INSTALLED
JUMPER FOR
TEMPORAL PATTERN
5 ALARM SIGNAL
10
SUPERVISORY
11
CONTACT
3 RESET
4 TEST
6 AUX. POWER (-)
7 AUX. POWER (+)
DH400 ACDC
NO
FIELD INSTALLED
JUMPER
DETECTOR
HEAD
TEST COIL
Figure 2. SSK451 with DH400ACDC Duct Smoke Detector:
NOTE: Wiring
diagram shown is for
DH100ACDC 4-wire
duct smoke detector
system equipped
without a control panel.
H0483-00
Figure 3. Test Coil Installation:
NOTE: Wiring
diagram shown is for
DH400ACDC 4-wire
duct smoke detector
system equipped
without a control panel.
H0484-00
H0277-00
D200-94-00 2 I56-1222-004
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