Emerson Liebert XDP - User Manual

Questions and Answers

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Lisa CrossSep 14, 2025
What causes pipe rattle in Emerson Liebert XDP Air Conditioner?
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  Rachel JonesSep 14, 2025
  Pipe rattle in your Emerson Air Conditioner system is caused by loose pipe connections. Check the pipe connections.
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Mary RodriguezSep 16, 2025
What causes clogged filter dryer and/or impeller in Emerson Liebert XDP?
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  Anna GreerSep 16, 2025
  If the filter dryer and/or impeller is clogged in your Emerson Air Conditioner, it is likely due to debris or other contaminants in the refrigerant. Replace the clogged filter dryer and/or impeller.
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marshbethNov 20, 2025
What to do if Emerson Liebert XDP Air Conditioner pump will not start or run?
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  Donna BarrettNov 20, 2025
  If your Emerson Air Conditioner pump isn't starting or running, here are a few things to check: * Make sure there's chilled water supply to the Liebert XDP. * Ensure all isolation valves on the pump suction and/or discharge are fully open. * Verify the chilled water temperature setpoint is at 50°F (10°C) or lower, and that there's flow on the chilled water side. * Confirm that the Liebert XD cooling modules are on before starting the Liebert XDP. * Check the alarm history for Low Refrigerant Temperature (high dew point), and if necessary, lower the humidity in the conditioned space. (Disconnect must be switched to Off then back On to allow Liebert XDP to reset itself). * Check both differential pressure settings on the pressure switch. They should be within 6 psi, ± 1 psi (41k...
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Antonio MillerNov 25, 2025
What to do if Liebert XDP (Pump) of Emerson Air Conditioner suddenly stops?
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  Benjamin BentleyNov 25, 2025
  If the Emerson Air Conditioner pump (Liebert XDP) suddenly stops, consider the following potential causes: * **Low refrigerant temperature:** Check the room's humidity and the placement of remote sensors, ensuring they're not in cold areas with poor airflow. Also, check if the chilled water temperature is too cold or the load is too light. * **Loss of power:** If this is the case, the Liebert XDP will automatically restart once power is restored. * **Clogged filter dryer and/or impeller:** Clean out any debris. * **Leak in system:** Use a refrigerant sniffer to check for leaks and repair them as needed. * **Low chilled water temperature alarm and loss of flow Pump X alarm:** Check the supply chilled water temperature. * **Supply refrigerant sensor failure alarm:** Check the wi...