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

Page 55

4.Route and connect the external electrical wiring to the housing (3).

5.Locate the power board and connect the two internal electrical wires.

6.Replace the humidifier cover (1), and then secure the cover with four screws (2).

7.Open the water supply isolation valve on the HP POD 20c exterior.

8.Connect the water supply line to the humidifier on the HP POD 20c exterior.

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

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

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Contents Abstract Page Contents Contacting HP Structural component identification Illustrated parts catalogComponent Description Life safety component identificationFront view shown Component Description Electrical power component identificationAccessed only by authorized personnel Control cabinet component identification Electrical safety label DescriptionAisle clearances HP POD 20c racksCold aisle clearance Hot aisle clearance Replaceable components for China modelsSpare part number Description Overview Installation considerations Optional Fire suppression systemRemoving the EPO button Removal and replacement proceduresButtons EPO buttonControl relay module DIN rail componentsRemoving the control relay module Replacing the control relay module Differential pressure sensorReplacing the differential pressure sensor Removing the differential pressure sensorReplacing the magnetic contacts Door position devicesMagnetic contacts Removing the magnetic contactsBusway drop box ElectricalRemoving the busway drop box Removal and replacement procedures Replacing the busway drop box IT cooling fan FansRemoving the IT cooling fan Replacing the IT cooling fan Ventilation fanReplacing the Rittal SK 3326 ventilation fan Removing the Rittal SK 3326 ventilation fanReplacing the heat exchanger air filter FiltersHeat exchanger air filters Removing the heat exchanger air filterRemoving the Vesda filter Vesda filterReplacing the Vesda filter Rittal SK 3326 ventilation fan filterReplacing the Rittal SK 3326 ventilation fan filter Removing the Rittal SK 3326 ventilation fan filterECS touchscreen and EPO indicators IndicatorsReplacing the ECS EPO LED indicators Removing the ECS EPO LED indicatorsReplacing the LED light LightsLED light Removing the LED lightHeat exchanger condensate drain pan sensors SensorsRemoving the drain pan sensor Replacing the drain pan sensor Chilled water supply and return header drain pan sensorsRemoving the humidistat HumidistatReplacing the humidistat Humidity sensor Replacing the humidity sensor Removing the humidity sensorRemoving temperature sensor from the chilled water system Chilled water system temperature sensorReplacing the temperature sensor in the chilled water system Chilled water temperature sensor internal componentsReplace 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 Removing the hot aisle temperature sensor Temperature sensors hot aisleFluid 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 Removing the humidifier 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 Cooling system Periodic maintenancePeriodic maintenance overview Qualified personnelLeak isolation Leak detectionHumidifier if installed ECS POD Shut Down Required HP POD 20c structure Fire alarm and suppression systemEPO Functional Test Life safetyThird-party components Access controlGeneral HP POD 20c specifications SpecificationsElectrical specifications Thermal and air flow performance Rack specificationsEnvironmental specifications Water specificationsOptional 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 Branch circuit GlossarySOW Documentation feedback Index HP POD 20c structure Temperature sensors, cold aisle
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