Two APC Symmetra LX 16kVA into one common output?

Question

We have 2x APC symmetra LX 16kVA units running at the moment and have read (in Eaton's documentation) that their UPSs can have a common synchronised output (based on input phase or set phase with a master/slave clock type arrangement) - http://pqlit.eaton.com/ll_download_bylitcode.asp?doc_id=10925

We would like to connect our two UPS units together as at the moment one is a "cold" manual switch standby unit.

Do APC offer a synchronised phase output for N+1 redundancy between chassis and if so are there any special units required to join the outputs or can a standard tie-cabinet be used?

APC's docs aren't so clear on connecting modular (symmetra) UPSes to a common output. http://www.apcmedia.com/salestools/LARD-8YPBGX/LARD-8YPBGX_R0_EN.pdf

score 4 · Accepted Answer · answered Oct 03 '13 at 15:45

4

No.

I.e. unless noted otherwise, you must assume that the output inverters of your UPS do not support this configuration.

As it's already been said; best go talk to APC to get all the answers you need.

answered Oct 03 '13 at 15:45

roeme

3,955
3
23
34

score 1 · Answer 2 · answered Oct 03 '13 at 15:10

1

Check diagram 2.7 in the link you provided.

answered Oct 03 '13 at 15:10

TomTom

52,109
7
59
142

Two APC Symmetra LX 16kVA into one common output?

2 Answers2