HP Performance Optimized Data Center (POD) 40cp manual Removing the humidifier

Page 44

Removing the humidifier

1.Hold the drain button on the humidifier exterior until the humidifier cylinder drains completely.

2.Press the power button on the outside of the humidifier to power down the humidifier.

3.Close the water supply isolation valve on the HP POD 40c NA exterior.

4.Disconnect the water supply line to the humidifier on the HP POD 40c NA exterior to relieve the water pressure.

5.Open and danger tag the associated circuit breaker in the ECS cabinet. The circuit breakers are identified on the panel schedule.

6.Remove the four screws on the corners of the humidifier cover (1), and then remove the cover (2).

7.Locate the power board and disconnect the two internal electrical wires.

8.Disconnect the drain (1).

9.Disconnect the humidifier from the water supply line (2).

Removal and replacement procedures 44

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Contents Abstract Page Contents Periodic maintenance Contacting HP Parts and part number identification Illustrated parts catalogStructural component identification Life safety component identification Electrical power component identification Component DescriptionExternal panel labels Front view shown Callout Electrical safety label Description Electrical safety label Description Control cabinet component identificationCooling system component identification HP POD 40c NA racksAisle clearances Cold aisle clearanceReplaceable components Hot aisle clearanceOperator safety Removal and replacement proceduresSafety considerations Removing the air filter Fire detection and suppressionAir filter Replacing the air filter Busway drop box Removing the busway drop boxReplacing the busway drop box Differential pressure sensor Removing the differential pressure sensor Replacing the differential pressure sensorReplacing the door position contact Door position contactRemoving the door position contact Drain pan sensor Removing the drain pan sensorReplacing the drain pan sensor Removal and replacement procedures ECS touchscreen Removing the ECS touchscreenEPO button Replacing the ECS touchscreenRemoving the EPO button Replacing the EPO button EPO LED indicators Removing the EPO LED indicatorReplacing the EPO LED indicator Replacing the EPO thermister EPO thermisterRemoving the EPO thermister External chilled water flow actuator Removing the external chilled water flow actuatorRemoval and replacement procedures External chilled water flow valve Replacing the external chilled water flow actuatorReplacing the external chilled water flow valve External pressure gauge isolation valveRemoving the external chilled water flow valve Replacing the external pressure gauge isolation valve FanRemoving the external pressure gauge isolation valve Removing the fan Replacing the fan Fan bank Removing the fan bankReplacing the fan bank Fire strobe light Removing the fire strobe lightHumidifier Replacing the fire strobe lightRemoving the humidifier Removal and replacement procedures Replacing the humidifier Humidistat Removing the humidistatReplacing the humidistat Removal and replacement procedures Humidity sensor Removing the humidity sensorRemoval and replacement procedures Replacing the humidity sensor LED light Removing the LED lightTemperature sensor cold aisle Replacing the LED lightRemoving the cold aisle temperature sensor Replacing the cold aisle temperature sensor Temperature sensor hot aisle Removing the hot aisle temperature sensorRemoval and replacement procedures Replacing the hot aisle temperature sensor Vesda filter Removing the Vesda filterReplacing the Vesda filter Periodic maintenance Periodic maintenance overviewCooling system maintenance schedule Qualified personnelLeak detection maintenance Humidifier if installed ECSElectrical POD Shut Down RequiredFire alarm and suppression system VesdaLife safety HP POD 40c NA structureAccess control Third-party componentsPeriodic maintenance Electrical specifications SpecificationsGeneral specifications Water specifications Rack specificationsEnvironmental specifications Thermal and air flow performanceOptional features specifications HP contact information Contacting HPBefore you contact HP Regulatory information Safety and regulatory complianceWarranty information Glossary AHJPDU Documentation feedback Index Temperature sensor
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