User manual

FP series user manual
Allis Electric - 28 - Rev3. July 2005
3. Operation
 BYPASS MODE
In the event of a UPS overload or internal failure, an audible alarm will sound and the UPS will
switch to Bypass Mode where utility power is powering directly to the connected loads.
However, Battery Mode won’t occurs availably when the UPS:
• Is overheating.
• Has an overload condition of 101 to 110% for more than 120 seconds.
• Has an overload condition of 111 to 150% for more than 20 seconds.
• Has an overload condition greater than 150%.
• Detects a fault in the battery or UPS electronics.
In Bypass Mode, solid lines will be lit from the Input Power symbol to
the Load symbol and from the Input Power symbol to the Charger and
Battery symbols. The Low-speed Fan symbol will also be lit.
 GREEN MODE
When the UPS has Green Mode enabled, it will switch to Bypass Mode when the connected
load is less than 3% of the UPS rating. The graphic LCD display will show Bypass Mode with
the Green Mode symbol flashing. If the load is over 3% of the UPS rating, then the UPS will
operate in Normal Mode with the Green Mode symbol lit. To enable or disable Green Mode,
please refer to the Configuration Settings section of this manual or contact your service
representative.