Setting Parameters Of Double Bus System - Liebert NXC User Manual

Liebert NXC

3.5.5 Setting Parameters Of Double Bus System

Take the double bus system formed by 1 + 1 parallel system for example, set 'System Configuration' to 'Parallel', 'Parallel
requisite units' to '1', 'Parallel Redundant Units' to '1'. For the master system, set 'LBS Function' to 'MASTER'. For the slave
system, set 'LBS Function' to 'SLAVE'. Ensure that the setting for '3 Phase Output or 1 Phase Output' of each single UPS in the
double bus system is same, as shown in Figure 3-10.
Unit 1#
Shared Battery
System Configuration
Parallel requisite units
1
ESC
Unit 1#
Output Voltage Level
200 208
LBS Function
NONE
Command password
ESC
User Manual 10H52188UM51 - Rev. 1 - 09/2011
ITA 016 kVA
NXC 20kVA
14:30:36
Disabled
Enabled Disabled
Parallel
Single Parallel
1
2 3 4
Settings
ITA 016kVA
NXC 20kVA
14:30:36
380V
220 230 380 400 415
MASTER
SLAVE MASTER
*****
Settings
Parallel UPS Installation and Commissioning
Unit 1#
Parallel Redundant Units
0
ECO Mode
Output frequency Level
Unit 1#
Protocol
YDN23
480
3 Phase Output or 1 Phase Output
Three
Figure 3-10 Setting interface
ITA 016kVA
NXC 20kVA
14:30:36
1
1 2
Normal
Normal ECO
50Hz
50Hz 60Hz
Settings
ESC
NXC 20kVA ITA 016kVA
14:30:36
YDN23
Velocity
Three
Single
Settings
ESC
3
37