System Sensor SSK451 User Manual

Ssk451 multi-signaling accessory

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D200-94-00

1

I56-1222-004

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

SSK451 Multi-Signaling Accessory

INSTALLATION AND MAINTENANCE INSTRUCTIONS

Notice: This manual should be left with the owner/user of
this equipment.
General Information
The National Fire Protection Association (NFPA) has pub-
lished 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

3825 Ohio Avenue, St. Charles, Illinois 60174

1-800-SENSOR2, FAX: 630-377-6495

www.systemsensor.com

H0482-00

I56-1222-004

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.

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