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Chapter 8: Managing External Devices
192
Schroff LHX Heat Exchangers
After connecting the Schroff
®
LHX heat exchanger to the EMX device via
the Feature port or the RS-485 port, the EMX detects LHX. The LHX is
viewed under the Feature folder or the Auxiliary Port folder in the
navigation tree, depending on the port it is connected to.
Note: If connecting the LHX to the Feature port, use the serial cable
provided with the LHX.
From the EMX, you can remotely do the following:
Name a connected LHX heat exchanger
Configure the air outlet temperature setpoint
Configure air outlet temperature thresholds
Configure air inlet temperature thresholds
Configure water inlet temperature thresholds
Configure fan speed thresholds
Monitor the air inlet temperature
Monitor the air outlet temperature
Monitor the fan speed
Configure basic settings for the connected heat exchanger, such as
the sensor thresholds
Note: These settings are stored on the EMX port where the heat
exchanger is connected, and are lost if that heat exchanger is moved to
a different port.
See Connecting a Schroff LHX Heat Exchanger (Optional) (on page
41) for how to connect the heat exchanger.
Enabling and Disabling Schroff LHX Heat Exchanger Support
By default, Schroff LHX Heat Exchanger support is disabled. As such,
support needs to be enabled before the device appears in the navigation
tree or on the dashboard. Additionally, Schroff LHX Heat Exchanger
support must be enabled in order for the LHX-MIB to be accessible
through SNMP.
To enable the Schroff LHX Heat Exchanger:
1. Select Device Settings > Features, and then select the Schroff Heat
Exchanger checkbox on the menu.
2. Click Yes to confirm.
3. Reboot the EMX.