Tri Power X33 TE 10/20/30/40/60 kVA
37
2-6
UPS Parallel Connections
The UPS can be operated in parallel for extend the capacity and enhances system
reliability.
Up to 6 UPS units can be operated in parallel.
The size and length of the input and output cables must be identical for all UPS units.
The phase rotation must be the same for each UPS unit.
It is recommended to use an external bypass cabinet to facilitate maintenance and
system testing for parallel operation system.
Parallel configuration must be performed by authorized and qualified technicians
who are familiar with this UPS.
Parallel communication cables are requested to connect to UPS each other.
Please only use the parallel communication cables which are supplied with UPS
manufacturer for ensure UPS can operate correctly in a parallel configuration.
The parallel communication cables must be connected in a ring topology, and the
maximum total length of the parallel communication cables must be less than 38
meters. To ensure good communication quality you must set the Switch & SW3 of
the two farthest UPS to the “ON” position as shown in below.
