
Chapter 5.
84
CGA 351 User’s Manual
Replacing the Fuse
If the main power fuse is defective, install a new fuse by completing the following steps:
Note:
For information regarding component locations and/or wiring connections in an optional enclosure, see
Appendix C.
1.
Disconnect the main power to the CGA 351.
WARNING!
Failure to cut the main power at the external
disconnect device before proceeding will result in
serious personal injury.
2.
Remove the cover beneath the digital display panel on the electronics enclosure.
3.
Locate the fuse holder (see Figure 6 on page 14) on the lower right side of the terminal board. Remove the old
fuse.
4.
Install a new fuse of the same type and rating. See Chapter 6,
Specifications, for the correct fuse to use.
5.
Install the cover on the electronics enclosure, and reapply power to the analyzer.
The CGA 351 may now be placed back into service.
Replacing the Digital Panel Meter
If the digital panel meter is defective, remove the defective meter by completing the following steps:
Note:
For information regarding component locations and/or wiring connections in an optional enclosure, see
Appendix C.
1.
Disconnect the main power to the CGA 351.
WARNING!
Failure to cut the main power at the external
disconnect device before proceeding will result in
serious personal injury.
2.
Remove the four sets of mounting hardware and remove the electronics enclosure from its mounting surface.
3.
Remove the eight screws on the rear of the enclosure and lift the mounting plate off the enclosure.
4.
Make a sketch of all wiring connections to the rear of the digital panel meter, and then disconnect all the wiring.
5.
Remove the two mounting brackets and push the panel meter out through the front of the enclosure. Remove the
controller and option cards from Slots 1 and 2, respectively.
Install the new meter by completing the following steps:
1.
Install the original controller and option cards into Slots 1 and 2, respectively, of the new meter.
2.
Insert the new meter through the opening in the front of the electronics enclosure and secure it in place with the
two brackets.
3.
Reconnect all of the wires to the connectors on the rear of the new digital panel meter.
4.
Place the mounting plate over the rear of the electronics enclosure and secure it with the eight screws previously
removed.
5.
Mount the electronics enclosure back onto the wall/panel and secure it with the four sets of hardware previously
removed.
6.
Reconnect the main power to the analyzer.
7.
Refer to Chapter 3,
Operation, and Chapter 4, Setup and Calibration, to reprogram the new digital panel meter.
The CGA 351 is now ready to be placed back into service.
Replacing the Controller Card
To replace a defective controller card, complete the following steps:
Содержание CGA 351
Страница 1: ...panametrics com Flow 910 199 Rev D Aug 2021 CGA 351 Zirconium Oxide Oxygen Analyzer User s Manual...
Страница 2: ......
Страница 4: ...Warranty 4 CGA 351 User s Manual no content intended for this page...
Страница 32: ...CGA 351 User s Manual 26...
Страница 94: ...CGA 351 User s Manual 88...
Страница 98: ...Chapter 6 92 CGA 351 User s Manual no content intended for this page...
Страница 104: ...Appendix B 98 CGA 351 User s Manual...
Страница 112: ...CGA 351 User s Manual 106...
Страница 118: ......