Liebert Vertiv GXT5 - Chapter 3: Operating the UPS; 3.1. Silencing the Audible Alarm; 3.2. Starting-up the UPS

Vertiv | Liebert® GXT5™ | Installer/User Guide 39
PORT
NO.
PORT
NAME
PIN
NO.
PIN NAME DESCRIPTION
2 Input 2
3 Remote Comms 2
User congurable dry-contact input that can be set to trigger
the events below. The user can also select the dry-contact as
either NO or NC. (See System Parameter Options on page
65) When NO, Pins 3 and 4 are shorted to trigger the event.
When NC, Pins 3 and 4 are opened to trigger the event.
Options are:
• Disable (default)
• Battery mode shutdown - If the UPS is running on batteries
and this input is triggered, the UPS shuts down
• Any mode shutdown - If this input is triggered, the UPS
shuts down regardless of current operating mode
•
Maintenance mode-For 16 & 20 kVA model, If this input is
triggered, it means the UPS is in maintenance mode.
4 Signal Ground Signal Ground
3 Battery
5 EBC Detection
Automatically detects number of external- battery cabinets
when pins 5 and 6 are connected to the detection port, see
Installing External Battery Cabinets on page 26.
6 EBC Detection
Automatically detects number of external- battery cabinets
when pins 5 and 6 are connected to the detection port, see
Installing External Battery Cabinets on page 26.
REPO
REPO
Input
7 +5V REPO power supply, 5-Vdc 100-mA
8 REPO Coil -NC
NC, activated when Pin 7 and Pin 8 is open
NOTE: For details on REPO connection and operation, see
Connecting a Remote Emergency Power-o (REPO) Switch
on page 40.
5 Output 5 9, 10 Remote Fault Alert 5
User congurable dry-contact output that can be set to alert
the user to the faults below.
The user can also select the dry-contact as either NO or NC.
(See System Parameter Options on page 65) When NO,
Pins 9 and 10 are shorted when the fault occurs. When NC, Pins
9 and 10 are opened when the fault occurs.
Options are:
• Low battery (default)
• On battery
• On bypass
• UPS fault
6 Output 6 11, 12 Remote Fault Alert 6
User congurable dry-contact output that can be set to alert
the user to the faults below.
The user can also select the dry-contact as either NO or NC.
(See System Parameter Options on page 65) When NO,
Pins 11 and 12 are shorted when the fault occurs. When NC, Pins
11 and 12 are opened when the fault occurs.
Options are:
• Low battery
• On battery
• On bypass
• UPS fault (default)