Silent Call SD4-SS - Manual (Page 14)

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General Information
Before installing detectors, please thoroughly read these installation
instructions and NFPA 72, which provides detailed information on
detector spacing, placement, zoning, wiring, and special applications.
NOTICE: This manual should be left with the owner/user of this
equipment.
IMPORTANT: This detector must be tested and maintained regularly
following NFPA 72 requirements. The detector should be cleaned at
least once a year.
General Description
The Model #SD4-SS photocell electronic smoke detector with
built-in wireless transmitter is intended for use with Silent Call
Signature Series receivers models W08-SS, WCV08-SS & SK2-SS.
The transmitter will send alarm condition messages to the system’s
receiver. Refer to the wireless system’s instructions for the maximum
number of transmitters that can be supported.
The Model #SD4-SS incorporates a state of the art optical sensing
chamber and an advanced microprocessor. The microprocessor allows