Chapter 5: Using the Web Interface
218
Device States and Icon Variations
The Dominion PX web interface changes icons to represent different
statuses of the connected LHX heat exchanger.
Icons
Device status
The heat exchanger is turned ON and operating normally.
The heat exchanger is turned OFF.
The heat exchanger is turned ON but enters the critical
state because of any LHX sensor failure.
At least one of the LHX sensor readings has crossed the
upper or lower warning threshold.
NO LHX device is detected on the FEATURE port.
To identify the cause of the critical state, view one of the following.
The LHX Heat Exchanger section of the Dashboard page.
The Feature Port page.
For details, see
Viewing the Summary
(on page 216).
Controlling the LHX Device
The Dominion PX allows you to remotely turn on or off a connected heat
exchanger.
To control the LHX heat exchanger:
1. If the Feature Port folder is not expanded, expand it to show the
device under the Feature Port folder. See
Expanding the Tree
(on
page 71).
2. Click the LHX heat exchanger in the Dominion PX Explorer pane. The
page specific to that device opens in the right pane.
3. Locate the Information section.
To turn off the LHX heat exchanger, click Switch Off.
To turn on the LHX heat exchanger, click Switch On.
4. If you clicked Switch Off in the previous step, a dialog appears,
prompting you to confirm the operation. Click Yes to turn it off or No to
abort the operation.
The heat exchanger's icon shown in the web interface changes after being
turned on or off. See
Device States and Icon Variations
(on page 218).
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