10. Push in the gray knob on the side of the bleed valve, and turn it 90° clockwise to lock the
valve manually. Select
Continue
when done.
1
2
11. Select
OK
when the uninstallation sequence has completed.
12. DGA monitor is now almost empty of oil but less than one deciliter (3.4 fl. oz.) will remain
in the system. Plug the
Oil In
and
Oil Out
connectors to prevent the oil from draining out
during transport.
13. Turn off AC power to the DGA monitor:
a. Turn off AC power from the external disconnection device.
b. Lock the disconnection device in the off position, if possible.
c. Attach a warning label to the disconnection device that clearly states why the power
is turned off.
14. Disconnect the cables between the power supply unit and the DGA monitor.
15. Plug and tighten the cable glands to maintain enclosure tightness during storage.
16. Uninstall the equipment in reverse order of installation. See
OPT100 Installation Guide
(M211857EN)
.
17. Place the equipment in the original packaging, if available.
Chapter 4 – Maintenance
49
Summary of Contents for Optimus OPT100
Page 1: ...M211858EN E User Guide Vaisala Optimus DGA Monitor for Transformers OPT100...
Page 24: ...Figure 11 Measurement Graph for 1 Day Rate of Change Values OPT100 User Guide M211858EN E 22...
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