Installation manual

33Pumped Refrigerant System Operation and Maintenance
View Status Readings
The display interface has several options for viewing the status of the RDU, the CMs in the cooling
group either individually or as a group, and the environment being controlled. The status readings for the
cooling unit are available under the View Unit Status option in the main menu, and status readings for
the cooling group are available under the View Group Status option on the main menu or on the
scrolling status screens.
Scrolling status screens
When the display interface is idle, it scrolls through screens of status information. Press the up or down
arrow key to interrupt the automatic scrolling and view a specific status screen.
• Alarms Present: If any alarms are present they will display.
• IP: The IP address of the RDU.
• RDU: Displays the current operating status of the RDU.
• RDU ID: Display the unique ID for this RDU.
• User Defined Name: The selected name is displayed.
• User Defined Location: The selected location is displayed.
• CMID: Cooling Module ID.
• Cool Out: Output displayed in kW.
• Cool Stpt: Displayed in F or C.
• Rack Inlet: Displayed in F or C.
Status
Path: Main > RDU > Status > Overview
View information specific to this RDU.
Op Mode. The RDU is in one of the following modes:
• On: The RDU is pumping refrigerant to the CMs at the proper condensing temperature.
• Standby: The RDU is receiving power but not enabled for pumping.
• Stop: The RDU has stopped due to an unrecoverable condition.
For more information, see “Stop On Leak” on page 1.
Lead Pump. Specifies which refrigerant pump is operating presently, either Pump 1 or Pump 2.
RefLeak. Specifies Calibration Status as: Suspended, Calibrating, Operating, or Disable.
Path: Main > RDU > Status > Active TH Sensors
Displays a list of Temperature Humidity sensors by address, present in the system.