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5 Site Preparation & Installation Guide Universal Transfer Switch UTS6 UTS6H UTS6BI UTS10BI
UTS Configurable Features
Feature Description
Uninterruptible Power
Supply
• provides UPS backup for uninterrupted operation and power protection
• provides backup power until the generator comes on line
Adaptive Load
Management (ALM)
Provides automatic shut off (referred to as load shedding), of select circuits during blackout
conditions
• prevents power surges and overload conditions from stalling a generator, or tripping circuits
• increases generator efficiency by 20% or more during prolonged power outages
• automatically reconnects loads once the overload conditions have been corrected
Load Transfer
Provides automatic transfer of select loads between a generator and a UPS
• minimizing power interruptions due to overload conditions
• maximizing power availability
Time Management &
Load Shedding
Time management feature sets maximum and minimum times for ALM to run
Refer to the Configuration and Setup section in this manual for detailed functionality
Voltage Sensitivity
Settings determine how the UTS reacts to momentary power fluctuations
MEDIUM - factory default
LOW - useful when frequent, small power fluctuations DO NOT require UTS intervention
HIGH - recommended ONLY for loads that are very sensitive to small, brief power
fluctuations
Security Mode
also referred to as
vacation mode
When security mode is set to ON, the UTS automatically cycles power to circuits at a rate of
two hours on and two hours off
Recommended for use on strategic light circuits during vacations
Bypass Mode
During bypass mode operation all circuits utilize utility power ONLY
• Backup power sources are not utilized regardless of the quality or condition of utility power
• Overload protection remains available during bypass mode operation
Liquid Crystal Display
(LCD)
• During initial setup and configuration the LCD displays the particular setting or value that is
to be entered or changed
• During regular operation the LCD is used with various LED indicators and push buttons
providing UTS status messages, warnings
• During regular operation the LCD is used with various LED indicators and push buttons to
perform required actions
Automatic Start/Stop
Operation
Semiautomatic operation: The UTS automatically switches to generator power once the
generator has been connected and turned on.
Fully automatic, compatible, remote controlled, auto stop/start generators require:
• APC UTS Generator Hardwiring Interface Kit
• APC UTS Automatic Remote Start/Stop Kit
For ordering details contact APC through the Web site, www.apc.com.