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Preliminary operations and first start-up
Visual check of the connection
Make sure that all the connections have been made by following carefully the instructions given in the
"Connections" paragraph.
Check that all the isolators are open.
Closure of the battery fuse holders
Close the 4 battery fuse holders (SWBATT) as shown in the figure below.
WARNING: if an external Battery Box is present and the connection does not comply with the
instructions given in "Connecting the TRI POWER X33 HE to the Battery Box (optional)" paragraph,
the battery fuses and other protections may result damaged. In that case, please contact the
Customer Service department, in order to prevent further damages to the TRI POWER X33 HE.
When the fuses are closed, a small arc may occur due to charge of the condensers inside the TRI
POWER X33 HE. This is normal, and does not cause faults and/or damages.
TRI POWER X33 HE powering
Close the protections Tri Power X33 HEtream the TRI POWER X33 HE.
Closure of the input and output isolators
Close the SWIN and SWBYP (if present) input isolators. Close the SWOUT output isolator but leave the
SWMB maintenance isolator open.
