Vertiv Liebert PSI5 - Startup, Shutdown, and Configuration

18 3 Operation
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide
3.1.8 Controls
Figure 3-1 Display and Buttons on the front panel of 2U and MT units
Figure 3-2 Display and Buttons on the front panel of 1U units
Table 3-1 PSI5 Button Description
ITEM DESCRIPTION
1
ON/MUTE Button.
• Turn UPS on: When in O mode, press and hold for 2 seconds to enter Battery Self-Test mode, then On
mode.
• Manual Battery Self-Check: When in On mode, press and hold for 3 seconds to temporarily enter Battery
Self-Test mode.
• Mute: When in On/Battery mode, press and hold for 3 seconds
• Settings Menu UP: When in the Settings Menu, press to cycle up through options; See Conguring UPS with
the Settings Menu on page 23.
2
SELECT Button.
• Select: Press to cycle through the operating parameters
• Settings Menu: When in O mode, press and hold for 3 seconds to enter the Settings Menu
• Settings Menu Down: When in Settings Menu, press to cycle down through setting options, See Conguring
UPS with the Settings Menu on page 23.
3
OFF/ENTER Button.
• UPS O: When in On mode, press and hold for 2 seconds to enter O mode.
• Settings Menu Enter: When in the Settings Menu, press and hold to enter setting option, press and hold
again to return to setting number. See Conguring UPS with the Settings Menu on page 23.