5-2
Maintenance
AN2016 Cabinet User Guide Rel 1.0 Standard May 1999
Procedure 5-1
Installing the rectifiers
Use this procedure to add a rectifier in the Helios System 200/48. The system
is equipped with 25 A plug-in rectifiers. The alarm and dc output cabling is
installed and verified at the factory.
Action
Step Action
1
Release the rectifier retaining bar(s) on the rectifier shelf by loosening the
captive screws that hold them in place.
2
Remove the blank rectifier face plates.Place the face plate at the bottom of
the shelf, under the rectifiers to be installed, for storage.
Note:
If you remove a rectifier, reinstall the blank panel to meet the safety
regulations.
3
Verify that the ac cabling for the shelf has already been performed.
4
Verify that the dc output cabling and the alarm cabling has already been
performed on the shelf.
5
Verify that the breakers on the front of the rectifiers are turned off.
6
Slide the rectifiers into the appropriate position in the rectifier shelf.
7
Replace the retaining bar(s) to secure the rectifiers in position.
8
To connect the sensing leads to the reference, switch the associated sense
switches to the ON position.The switches are on the back plane of the control
and distribution panel (see Figure 5-1).
Note:
For detailed information regarding MPR25 rectifiers, refer to
Description, Installation, Operation and Maintenance Manual
169-2071-500.
—end—
To Next Page
Loading...
