Introduction and System Description
3
3.0 INTRODUCTION AND SYSTEM DESCRIPTION
The Liebert MicroPOD provides maintenance bypass capability as well as power output distribution.
The Liebert MicroPOD can be used on UPSs in either rack mount or tower configuration.
The Liebert MicroPOD provides an isolated path of power for your UPS system for preventive mainte-
nance or service.
3.1 System Description
The Liebert MicroPOD has two modes of operation: UPS (UPS available) and MAINS (maintenance
bypass).
•In UPS mode, the power is routed through the UPS system delivering conditioned power to the
load, as shown in Figure 1.
Figure 1 UPS mode of operation
•In Mains mode, power is routed around (bypassing) the UPS system (see Figure 2). Mains
power is supplied directly to the load through the Liebert MicroPOD.
Figure 2 Mains/Maintenance Bypass mode
• The UPS may be turned off and removed without affecting the load. See Figure 3.
Figure 3 Liebert MicroPOD connections
NOTE
Battery backup and conditioned power are NOT available during the Mains mode of operation.
POD
UPS
Utility
Connected Load
POD
UPS
Utility
Connected Load
Connect loads
UPS Input - Connect
to load receptacle on
rear of UPS
Power indicator
lamps
Connect UPS
input cord
Rotary
switch
Connect loads
Utility Input - Connect
to mains wall
receptacle
Output Circuit
Breaker
Output Circuit Breaker
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