IT
ALIANO
ENGLISH
20
IOMMASGPXX01-GB_01
10-40 kVA
UNPACKING AND INSTALLATION
OF THE UNIT
3
3.9 UPS PARALLEL CONFIGURATION.
3.9.1 General.
Parallel connection enhances UPS system reliability, performance and power.
All MASTERYS
TM
models can be installed in parallel configuration provided they have the special parallel kit that can
be installed in factory or later by specialist personnel.
UPS modules for parallel operation are identical to standard UPS modules, as a result safety, shipping and installation
recommendations in chapters 2 and 3 also apply.
3.9.2 Installation.
UPS units operating in parallel are interconnected using control cables
B
ñHBOEBSFDPOñHVSFEEJíFSFOUMZ
depending on the position they are assigned.
For this reason the units have a position label
C
(Fig. 3.9.4-1):
r 5IFi-&'5uMBCFMNFBOTUIBUUIFVOJUNVTUCFQPTJUJPOFEUPUIFMFGU
r 5IFi3*()5uMBCFMNFBOTUIBUUIFVOJUNVTUCFQPTJUJPOFEUPUIFSJHIU
r 5IFi*/5&3/"-uMBCFM VTFEPOMZPOTZTUFNTXJUIUISFF614NFBOTUIBUUIJTVOJUNVTUCFQPTJUJPOFECFUXFFOUIF
two other cabinets.
The control cables supplied allow a maximum distance of about 3 metres between the UPS units. This gives enough
room for an external battery cabinet to be inserted beside each UPS.
3.9.3 Power connections.
r 5IFQPXFSTVQQMZUPFBDIVOJUNVTUCFQSPUFDUFEBTJOEJDBUFEJOUIFUBCMFJOQBSBHSBQI
r 5IFDSPTTTFDUJPOBOEMFOHUIPGUIFJOQVUBOEPVUQVUDBCMFTNVTUCFJEFOUJDBMGPSBMMUIFVOJUT
r 5IFQIBTFSPUBUJPONVTUCFUIFTBNFGPSFBDIVOJUDPOOFDUFEJOQBSBMMFMBOEBMTPPOBOZFYUFSOBMNBOVBMCZQBTT
line.
r $BCMFTPGUIFTBNFMFOHUIBOEDSPTTTFDUJPONVTUCFVTFEGPSUIFDPOOFDUJPOCFUXFFOUIFHFOFSBMQPXFSTXJUDI
A
, the switches
C
and the respective UPS units. The length of the cables from A to each UPS module must not
exceed 25 meters (Fig. 3.9.3-1).
r 5IFDBCMFTGSPNUIF614NPEVMFUPDJSDVJUCSFBLFS
F
must be of the same length (max. 15 metres) with multi-core
cables.
r *GBEJíFSFOUJBMTXJUDIJTJOTUBMMFEPOUIFNBJOTQPXFSTXJUDI PQUJPOBMJUNVTUCFJOTFSUFEVQTUSFBNGSPNUIF
distribution panel (see fig. 3.9.3-1, detail
H
), it must be a selective type and the trigger value
must be 0.5 A by
the number of UPS connected in parallel
.
Only activate circuit breaker
D
after carrying out the procedure for switching onto the mainte-
nance bypass.
Only activate circuit breaker
E
after turn off the UPS.
Summary of Contents for Masterys Green Power
Page 1: ...INSTALLATION AND OPERATING MANUAL IOMMASGPXX01 GB_01 10 40 kVA...
Page 2: ...ITALIANO...
Page 62: ......
