Marconi LORAIN RHM800E50, Manual

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PRODUCTS
Section 5350
Issue Al, January
ADDENDUM
PREPARATION FOR
SHUTDOWN
MODEL AND RHM
SERIES
This instruction manual contains various testing, adjustment, and maintenance procedures in which the rectifier
will be shutdown either before or during the procedure. Before 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.
the
should be made to
insure power critical
a s s o c i a t e d w i t h t h e
disabled, if possible. If
the extended cannot be disabled
at
the location, the
appropriate to disregard the rectifier
this procedure is in
If load must be
while the is
service, the should be made:
a) the rectifier is operating in parallel with one or more additional rectifiers, can the remaining rectifier(s) power
the load? If not, the load must be shutdown or an alternate DC source must be used.
tf a battery is to be used to provide load power during rectifier is the battery fully charged and
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 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.
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