DuraComm PSDA-MU1, Owner'S Manual

Page: 8 / 47

Page 8 of 47
Section 1 | Important Safety Instructions
These instructions are intended for use by a technician familiar with electronic products.
WARNING: There are no user serviceable parts inside. High voltage may be present. Service must be
referred to a qualified factory personnel.
NOTE:
The individual user should take care to determine prior to use or installation whether this device
is suitable, adequate, and safe for the use intended. Since individual applications are subject to
numerous variations, DuraComm makes no representation or warranty as to the merchantability,
suitability, or fitness of these units for any specific application.
Section 2 | Installation
The outputs are NOT referenced to the chassis.
IMPORTANT SAFETY INSTRUCTIONS
1. SAVE THESE INSTRUCTIONS – This manual contains important safety and operating instructions for
PSDA-MU1Annunciator.
2. CAUTION – Danger of explosion if battery is incorrectly replaced. Replace only with the same type
recommended by the manufacturer. Dispose of used battery according to the manufacturer’s
instructions.
3. CAUTION – When making installation, route field wiring away from sharp projections, corners, and
internal components.
4. This equipment covered in this document are intended to be installed in accordance with the
following:
• NFPA 70 – National Electrical Code.
• NFPA 72 – National Fire Alarm and Signal Code.
• NFPA 1221 – Standard for the Installation, Maintenance, and Use of Emergency Services
Communication Systems.
• In accordance with the Local Authority Having Jurisdiction (AHJ).
• Installation instructions described in this document.
5. Ensure DC polarity when connecting battery in the unit.
6. Internal circuits can still be energized with power switches in the off position
7. Physically disconnect all external power sources and internal battery before attempting any service or
installation activities.