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Section IV Multiple UPS Configurations
006-0007068 UPS-1500-S-2S Guide Rev E 33 of 60 09/10/20 www.synqor.com
Parallel Configurations of the AC OUTPUTS: Up to Three Units
Multi-unit Configurations
The chart below shows four possible ways the AC OUTPUTS of up to three SynQor UPS units can
be connected together. Each configuration will be discussed in more detail in the following pages.
Number
of UPS
Units
Output
Configuration
Phasor
Diagram
# of
Output
Phases
Output
Voltage
Output
Current
per phase
Total
Output
Power
Configuration
Cable
Redundant
Parallel
Configuration
Cable
2 Parallel
L1
1
L-N:
1 x V
rated
2 x I
rated
2 x P
rated
SYN-9311 SYN-9341
3 Parallel
L1
1
L-N:
1 x V
rated
3 x I
rated
3 x P
rated
SYN-9315 SYN-9343
2
Series
Split Phase
L1 L2
2
L-N:
1 x V
rated
L-L:
2 x V
rated
1 x I
rated
2 x P
rated
SYN-9313 N/A
3 3 Phase-Y
L1
L3
L2
120°
3
L-N:
1 x V
rated
L-L:
1.73 x V
rated
1 x I
rated
3 x P
rated
SYN-9317 N/A
Note that the chart shows the SynQor part number for the CONFIGURATION cable required for
each configuration.
The chart shown above focuses on how the AC OUTPUTS of multiple UPS units could be connected.
Of course, there are multiple ways in which the INPUTS (both AC and DC) could be connected,
as well. They could be connected to the same source, or they could be connected to separate
sources. The possibilities will be discussed at the end of this section.
Select the “F: Floating” or “R: Redundant” option when ordering UPS units configured in
this manner.
Contact the SynQor factory for redundant Split Phase systems, redundant 3-Phase systems, or
redundant Single Phase systems with more than three units.