Marconi LORAIN RHM800E50 Manual page 6

This instruction manual contains various testing, adjustment, and maintenance procedures in which the rectifier
will be shutdown either before or during the procedure. Before perforn+ng any of these procedures the load sharing
lead if installed must be removed using the following procedure then reinstalled after the test or adjustment is made.
If the load sharing lead is not removed during these procedures there is a potential for service interruption.
disabled, if possible.
appropriate personne I dwaZd be notified to disregard wag @ice alarms e.ztendedfmm the rectifier
a)
the load? If not, the load must be shutdown or an alternate DC source must be used.
capable of powering the load for the time required to make the adjustment.
1) Place the AC INPUT circuit breaker to the OFF position.
2) Refer to the Power Data sheet for location of the load sharing lead
3) Disconnect the load sharing lead from the terminal block and insulate exposed end.
4) Restart the rectifier by referring to the rectifier instruction manual starting and stopping section.
5) Perform the desired test, adjustment, or maintenance procedure in the rectifier instruction manual.
6) When the test, adjustment, or maintenance procedure is complete place the AC INPUT circuit breaker to the
OFF position.
7) Reconnect the load sharing lead removed in en earlier step.
8) Restart the rectifier by referring to the rectifier instruction manual starting and stopping section.
9) This completes the procedure.
ADDENDUM
PREPARATION FOR
SHUTDOWN
SERIES RECllFlERS
If
the extended alaross cannot be disabled
If the load must be mdUained
Section 5350
Issue Al, January 30,1992
insure that power 00 critical
a s s o c i a t e d w i t h t h e recti$ier ewe
at
the remote location, the
while the r-e&&r is removed
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