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OnLine Power
(6002-1646) REV.X8 11
SECTION 2
- INSTALLATION
2-1 SITE PLANNING AND PREPARATION
The Fire Alarm Back-up UPS1481 is designed for installation indoors and meets NEMA
specifications for operating temperature, humidity, and utility voltage. These cabinets are
corrosion resistant and rugged. The footprint of the Fire Alarm Back-up UPS1481 is less than 6
square feet. Listed below are the environmental specifications for the Fire Alarm Back-up
UPS1481.
Adequate clearance in the front of the equipment should be provided for service access.
OPERATING ENVIRONMENT
• AMBIENT TEMPERATURE 0°C to 49° C
• OPERATING ALTITUDE 1,829 M (6,000 FT) DERATE 10% FOR EACH ADDITIONAL
305 M (1,000 F~) UP TO 2,744 m (9,000 FT)
• RELATIVE HUMIDITY 0% to 95% (non-condensing)
Operating the Fire Alarm Back-up UPS1481 and batteries at either extreme of the temperature
range may affect the long-term reliability of the system. This is especially true of the sealed,
maintenance-free batteries. Sealed, maintenance-free batteries are designed to operate at
normal room temperatures (72 to 77°F).
STORAGE ENVIRONMENT.
Provide a storage environment which meets the following conditions:
• AMBIENT TEMPERATURE -30°C to 70°C
• RELATIVE HUMIDITY 0% to 95% non-condensing