User manual
Table Of Contents
- Important Safety Instructions
- 1.0 Installation Instructions
- 1.1 Unpacking and Installation
- 1.2 Additional Distribution Mounting and Wiring
- 1.3 Power and Control Wiring
- 1.3.1 Input Power Connections
- Figure 5 Electrical connection location for 23" (584mm) cabinet
- Figure 6 Electrical connection location for 47" (1194mm) cabinet
- Figure 7 Electrical connection location for 47" cabinet with Square D I-Line panelboard
- Table 4 Suggested minimum input wire size data
- Table 5 Main input circuit breaker interrupting rating
- 1.3.2 Junction Box Installation
- Table 6 Main input junction box electrical connections (4 wire)
- Table 7 Main input junction box without transformer electrical connections (5 wire)
- Table 8 Low-voltage (control) junction box dimensions, typical
- Table 9 Main input (power) junction box dimensions, typical
- Figure 8 Low-voltage control junction box connections, typical
- Figure 9 Main input junction box connections, typical
- 1.3.3 System Grounding
- 1.3.4 Grounding Electrode Conductor for Liebert® FPCs With Transformer
- 1.3.5 Output Power Connections
- 1.3.6 Control Wiring Connections
- 1.3.7 Adapter Board
- 1.3.1 Input Power Connections
- 2.0 Equipment Inspection and Startup
- 3.0 Inspection and Startup Checklist
- 4.0 Operating Instructions
- 5.0 Maintenance
Installation Instructions
24
1.3.7 Adapter Board
The Adapter Board (AB) provides customer interface to the Liebert
®
FPC
™
monitoring systems for
units without Low-Voltage Junction Box. Connections are made to terminal strip TB1 for Remote
Emergency Power Off (REPO) switches, summary alarm contacts and customer alarms (VPMP
monitoring). The AB is mounted on top of the monitoring enclosure located inside the top right corner
of the unit.
A field-selectable switch (S1) on the AB allows the VPMP to be set up for either Manual or Auto
restart. The factory default setting is Manual.
• Manual Restart allows for an orderly supervised startup after power failure. The control circuit
automatically energizes the shunt trip mechanism of the main input breaker upon sensing output
voltage failure.
• Auto Restart deactivates the manual restart function. In Auto Restart mode, the main input
breaker does not trip due to power failure and the unit will restart when power is restored.
If two Liebert LDMF systems are provided, the summary alarm contacts from each Liebert LDMF are
tied to the Customer Summary Alarm on the adapter board.