HP Performance Optimized Data Center (POD) 20cp Valves, External chilled water isolation valve

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b.Use a flathead screwdriver to the press the release button (1), and then pull the front panel from the bottom to detach the panel (2). The two parts remain connected by a flat cable.

2.Secure the mounting base to the wall using the screws provided.

3.Squeeze the two terminal cover fins to remove the terminal covers.

4.Make the required connections by running the connection cables through the center hole in the bottom of the mounting base and connecting the cables to the terminal block.

5.Separate the connection and control cables from the relay cables.

6.Attach the front panel.

7.Close the associated circuit breaker in the ECS cabinet.

8.Press the power button on the outside of the humidifier to power up the humidifier.

Valves

External chilled water isolation valve

The external chilled water isolation valve is the butterfly valve located on top of the HP POD 20c. You need a wrench for installation.

Removing the external chilled water isolation valve

1.Remove the eight bolts surrounding the valve (1).

Removal and replacement procedures 58

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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 identificationAisle clearances HP POD 20c racksCold aisle clearance 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 buttonControl relay module DIN rail componentsRemoving the control 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 contactsBusway drop box ElectricalRemoving the busway 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 lightHeat exchanger condensate drain pan sensors SensorsRemoving the drain pan sensor 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 Removing the cold aisle temperature sensor Temperature sensor cold aisleReplacing the cold aisle temperature sensor Temperature sensors hot aisle Removing the hot aisle temperature sensorFluid system components Replacing the hot aisle temperature sensorChilled water supply and return header pressure sensors You need a wrench to remove and replace the pressure sensors Removing the chilled water flow sensor Chilled water flow sensorReplacing 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 External chilled water isolation valve ValvesRemoving the external chilled water isolation valve Replacing the external chilled water isolation valve External pressure gauge isolation valveRemoving the external pressure gauge 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 componentsGeneral HP POD 20c specifications SpecificationsElectrical specifications Water specifications Rack specificationsEnvironmental specifications Thermal and air flow performanceOptional features specifications Before you contact HP Contacting HPHP contact information Regulatory information Safety and NEC complianceHP POD 20c regulatory compliance 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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