Specifications

LSN (Life Safety Network) Inverter Suggested Specifications
2.8 Manual and Automatic Testing
Manual and automatic test modes shall be provided.
• Manual user-initiated system test at any time
• Automatic weekly, monthly and annual self-diagnostic tests
• Automatic recording of the last twenty events in a Test Results log
2.9 Battery Charger
A three-step float charger shall be software controlled and temperatures compensated, and charge the
batteries continuously while in normal “standby” condition (non emergency mode).
Following a power failure, the constant current charger mode shall be initiated until battery voltage
reaches the equalize stage. Equalize stage shall be maintained until the charging current drops to .5
amps, or 0.3% of the battery amp/hour rating. Battery voltage shall then enter the float stage.
2.10 Batteries
To comply with UL Listing to Standard 924 (Emergency Lighting), Type S batteries shall be designed to
provide a minimum 1.5 hours rated output voltage to the connected load in emergency mode without
dropping below 87.5% of nominal battery voltage.
The batteries shall be enclosed in an enclosure that permits easy maintenance without requiring
removal.
The following battery types shall be available:
____Sealed Lead Calcium, VRLA, (Type S): Maintenance Free Construction
Standard battery supplied, unless otherwise specified. Requires no addition of water over its
useful life. The case and cover shall be constructed of polypropylene, contain a UL recognized
low-pressure safety release vent, and be non-gassing in normal use. Life expectancy is 10-
yeasr at 77°F (25°C) ambient temperature.
____Sealed Lead Calcium VRLA (Type G): Maintenance Free Construction
An optional long-life battery. Requires no addition of water over its useful. Life expectancy is 20-
years at 77°F (25°C) ambient temperature.
____Wet Cell Nickel Cadmium (Type N): Wet cell construction
An optional long-life battery. Requires maintenance inspection and the addition of water to the
cells when required. Pocket plate construction with a translucent case. Life expectancy is 25-
years at 77°F (25°C) ambient temperature.
2.11 System Options
The following optional factory-installed equipment shall be available (see catalog for additional details).
___ Normally-On Output Circuit Breaker Options:
___ Monitored (recommended) ______Voltage ____ Amp Rating (20 amp is standard)
___ Unmonitored ______Voltage ____ Amp Rating (20 amp is standard)
A maximum of fourteen monitored positions (twenty positions without alarms - unmonitored) are
available for all models. Single pole 120V and 277V breakers occupy one position each, while
double pole 240V breakers occupy two positions (7 monitored, 10 unmonitored) each. When
0603447 Rev C Page 3 of 8 Rev. 9-23-09