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  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, amber and red LEDs provide visual indication of power, trouble and alarm conditions, respectively. Key-activated test and reset functionsSounder horn can be wired for periodic or temporal tonePower (green), trouble (amber) and alarm (red) LEDsInstalls to a double-gang electrical boxOptional PS24LOW strobe and PS12/24SLENSW “SMOKE” lens can be easily added for visual alarm signaling to meet special code requirements in certain jurisdictionsCompatible with all System Sensor DH100ACDC and DH400ACDC duct smoke detectorsModels Available SSK451 Optional Accessories Available PS24LOW Strobe PS12/24SLENSW “SMOKE” Lens Product Overview SSK451SSK451 with PS24LOW Strobe and PS12/24SLENSW “SMOKE” lens S2522 SSK451 Multi-Signaling Accessory HVAC SYSTEMS MONITORING    ©2003 System Sensor. The company reserves the right to change product specifications without notice. A05-1021-004ã7/03ã#1134 General Specifications   Dimensions4.8 ″  W ×  4.7 ″  H ×  1.5 ″  D (12.2cm W ×  11.9cm H ×  3.8cm DWeight0.35 lb. (160 g)Operating Voltage15–35 VDCPower RequirementsStandby: 5 mA max. Trouble: 9 mA max. Alarm: 30 mA max.ConnectionsStrip terminal, 14 AWG to 22 AWG wireSounder87 dBA minimum at ten feetTemperature14° F to 140° F (–10° C to 60° C)Humidity Range95% RH, noncondensingListingUL 268A SSK451 with Innovair™ DH100ACDC Duct Smoke Detector Wiring DiagramSSK451 with DH400ACDC Duct Smoke Detector Wiring Diagram and Test Coil Installation COMMON 3TEMPORAL SELECT 2ALARM SIGNAL 1SUPERVISORY SIGNAL 4RESET 7TEST 8POWER (–) 6POWER (+) 5SSK451 FIELD INSTALLEDJUMPER FORTEMPORAL PATTERN 15 ALARM SIGNAL 3 SUPERVISORY14 CONTACT 2 RESET11 TEST 20 AUX. POWER (–)19 AUX. POWER (+) DH100ACDC NOFIELD INSTALLEDJUMPER COMMON 3TEMPORAL SELECT 2ALARM SIGNAL 1SUPERVISORY SIGNAL 4RESET 7TEST 8POWER (–) 6POWER (+) 5SSK451 FIELD INSTALLEDJUMPER FORTEMPORAL PATTERN 5 ALARM SIGNAL 10 SUPERVISORY11 CONTACT 3 RESET 4 TEST 6 AUX. POWER (–) 7 AUX. POWER (+) DH400ACDC NOFIELD INSTALLEDJUMPER  DETECTORHEADTEST COIL Note: When the SSK451 is used with a DH400ACDC duct smoke detector, a test coil, part number COIL, must be ordered sepa-rately. When the SSK451 is used with a DH100ACDC duct smoke detector, a test coil is not required. The COIL is installed in the DH400ACDC duct smoke detector housing as shown below. System Sensor Sales and Service System Sensor Headquarters 3825 Ohio Avenue St. Charles, IL 60174 Ph: 800/SENSOR2 Fx: 630/377-6495 System Sensor Canada Ph: 905.812.0767 Fx: 905.812.0771 System Sensor Europe Ph: 44.1403.891920 Fx: 44.1403.891921 System Sensor in China Ph: 86.29.8832.0119 Fx: 86.29.8832.5110 System Sensor in Singapore Ph: 65.6273.2230 Fx: 65.6273.2610 System Sensor – Far East Ph: Fx: 85.22.736.6580 System Sensor – Australia Ph: 613.54.281.142 Fx: 613.54.281.172 System Sensor – India Ph: 91.124.637.1770 x.2700Fx: 91.124.637.3118 System Sensor – Russia Ph: 70.95.937.7982Fx: 70.95.937.7983
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