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When reading this section, refer also to the appropriate connection diagram:
Figure 69, depending on the number of UPSs to be connected in parallel.
To setup UPSs in parallel mode:
1. The UPS units should be located near to one another. They must be connected to one
another in a ring configuration using the parallel communication cables. These cables
must be housed in appropriate conduits.
Table 7: Cable sets for parallel communication between UPSs
PARALLEL KIT, B-SERIES, DECENTRALIZED DC (Black)
PARALLEL KIT, B-SERIES, COMMON DC (Grey)
The supplied parallel communication cables are 5 meters long. Keep this in mind when
positioning the UPSs.
2. In a parallel configuration, the length of the bypass input cable must be the same
on all of the UPSs, and the bypass input cables must be at least 10 meters in length.
3. Connect the UPSs in a ring configuration using two parallel kit communication cables
on each UPS.
For parallel systems with common battery, contact Gamatronic support for special
cable.
UPS for 208 Vac Grid, Installation Guide, doc. rel. 3.0
D
ESCRIPTION
Q
G
UANTITY
AMATRONIC
PER UNIT
CATALOG NO
1
101-B-PARA-ED
1
101-B-PARA-CD
.
80
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