HP Performance Optimized Data Center (POD) 20cp manual Removal and replacement procedures, Buttons

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Removal and replacement procedures

Buttons

EPO button

One EPO button is located on the POD interior near the main exit. A second EPO button is located on the POD exterior.

Removing the EPO button

1.Grasp the bracket (1).

2.Remove the EPO button from the bracket (2).

3.Remove the contact modules from the bracket (3).

4.Disconnect the wires.

Replacing the EPO button

1.Reconnect the wires.

2.Insert the button head (1) into the bracket (2).

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Contents Abstract Page Contents Contacting HP Illustrated parts catalog Structural component identificationLife safety component identification Component DescriptionElectrical power component identification Front view shown Component DescriptionAccessed only by authorized personnel Electrical safety label Description Control cabinet component identificationCold aisle clearance HP POD 20c racksAisle clearances Replaceable components for China models Hot aisle clearanceSpare part number Description Installation considerations Optional Fire suppression system OverviewEPO button Removal and replacement proceduresButtons Removing the EPO buttonRemoving the control relay module DIN rail componentsControl relay module Differential pressure sensor Replacing the control relay moduleRemoving the differential pressure sensor Replacing the differential pressure sensorRemoving the magnetic contacts Door position devicesMagnetic contacts Replacing the magnetic contactsRemoving the busway drop box ElectricalBusway drop box Removal and replacement procedures Replacing the busway drop box Fans IT cooling fanRemoving the IT cooling fan Ventilation fan Replacing the IT cooling fanRemoving the Rittal SK 3326 ventilation fan Replacing the Rittal SK 3326 ventilation fanRemoving the heat exchanger air filter FiltersHeat exchanger air filters Replacing the heat exchanger air filterVesda filter Removing the Vesda filterRittal SK 3326 ventilation fan filter Replacing the Vesda filterRemoving the Rittal SK 3326 ventilation fan filter Replacing the Rittal SK 3326 ventilation fan filterIndicators ECS touchscreen and EPO indicatorsRemoving the ECS EPO LED indicators Replacing the ECS EPO LED indicatorsRemoving the LED light LightsLED light Replacing the LED lightRemoving the drain pan sensor SensorsHeat exchanger condensate drain pan sensors Chilled water supply and return header drain pan sensors Replacing the drain pan sensorHumidistat Removing the humidistatReplacing the humidistat Humidity sensor Removing the humidity sensor Replacing the humidity sensorChilled water system temperature sensor Removing temperature sensor from the chilled water systemChilled water temperature sensor internal components Replacing the temperature sensor in the chilled water systemReplace the chilled water temperature sensor circuit board Removal and replacement procedures Replacing the cold aisle temperature sensor Temperature sensor cold aisleRemoving the cold aisle temperature sensor Temperature sensors hot aisle Removing the hot aisle temperature sensorChilled water supply and return header pressure sensors Replacing the hot aisle temperature sensorFluid system components You need a wrench to remove and replace the pressure sensors Replacing the chilled water flow sensor Chilled water flow sensorRemoving the chilled water flow sensor Chilled water system temperature sensor Chilled water temperature sensor internal components Replace the chilled water temperature sensor circuit board Heat exchanger Humidifier Removing the humidifierRemoval and replacement procedures Replacing the humidifier Removal and replacement procedures Humidistat if installed Replacing the humidistat Removing the external chilled water isolation valve ValvesExternal chilled water isolation valve Removing the external pressure gauge isolation valve External pressure gauge isolation valveReplacing the external chilled water isolation valve Replacing the external pressure gauge isolation valve Qualified personnel Periodic maintenancePeriodic maintenance overview Cooling systemLeak detection Leak isolationHumidifier if installed ECS POD Shut Down Required Fire alarm and suppression system HP POD 20c structureLife safety EPO Functional TestAccess control Third-party componentsElectrical specifications SpecificationsGeneral HP POD 20c specifications Water specifications Rack specificationsEnvironmental specifications Thermal and air flow performanceOptional features specifications HP contact information Contacting HPBefore you contact HP HP POD 20c regulatory compliance Safety and NEC complianceRegulatory information Regulatory requirements for Exit signs With Council, Inc Regulatory information Glossary Branch circuitSOW Documentation feedback Index HP POD 20c structure Temperature sensors, cold aisle
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