HP Performance Optimized Data Center (POD) 40c Water quality requirements and specifications

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The minimum HP server inlet temperature is 10°C (50°F). For non-HP equipment, consult the documentation for that equipment.

Water quality requirements and specifications

The following are the water quality requirements and specifications:

Closed-loop water must not contain any lime scale deposits or loose debris.

The temperature of the chilled water supplied to the HP POD 40c G2 must be 12ºC to 24ºC (55ºF to 75ºF).

CAUTION: Freezing water can cause a blockage and damage to the unit. In outside locations that are subject to freezing temperatures, an additive such as glycol might be necessary to lower the freezing point. However, since the heat transfer potential of water with glycol is lower, the HP POD 40c G2 must be de-rated accordingly.

IMPORTANT: The chilled water system piping and heat exchangers must be drained completely, and then purged using compressed air when storing or transporting at or below freezing temperatures.

IMPORTANT: Operating the chilled water system at the higher end of the acceptable range decreases the overall thermal capacity of the POD.

Acceptable water quality specifications

Water must be maintained per the following acceptable water quality standards.

Parameter

Range

 

 

pH

8.0–10

Specific conductance at 25ºC (77ºF)

10–2500 µmhos

Alkalinity ("M" as CaCO3)

150–1000 ppm

Sulfur (SO4)

0–150 ppm

Chloride (Cl)

0–100 ppm

Hardness (CaCO3)

0–350 ppm

Calcium hardness (CaCO3)

0–200 ppm

Magnesium hardness (CaCO3)

0–150 ppm

Copper (Cu)

< 0.20 ppm

Iron (Fe)

< 3.0 ppm

Aluminum (Al)

< 0.50 ppm

Sodium (Na)

0–1000 ppm

Silica (SiO2)

0–150 ppm

Zinc (Zn)

< 1.0 ppm

Manganese (Mn)

< 0.1 ppm

Phosphate Ortho- (PO4)

< 3 ppm

Bacteria

< 1000 CFU/ml

Suspended solids

< 10 ppm

If your water is out of range, consult a water quality expert.

The following table describes the chilled water system specifications for the HP POD 40c G2.

Cooling system 57

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Contents Part Number August Edition HP Performance Optimized Datacenter 40c G2 User GuidePage Contents Fire protection system Humidifier Controlled access HP POD 40c G2 lightingNetworking Connection portals Demarcation box Fire box Before you contact HP HP contact information Regulatory compliance noticesComponent safety Operator safetyOverview Before you beginEnvironmental considerations Fire detection and suppressionComponent identification Structural component identificationParts and part number identification Internal life safety components Life safety component identificationTop view shown Component Description Front view shown Component Description Electrical power component identificationInternal panel labels Component DescriptionFront view shown Electrical safety label Description Control cabinet component identification HP POD 40c G2 racksHP POD 40c G2 contains a total of 20 IT racks Component identification Life safety systems Life safety overviewEPO system ECS touchscreen and EPO indicators Component Indicator color Description Battery backup during an EPO eventFire protection system EPO modesFire alarm indicators Manual fire pullsVesda air sampling smoke detection system Fire system operator panel Optional Fire suppression systemFire suppression sequence of operations Emergency egressPower safety Power, electrical, and controlsSite electrical system GroundingLightning protection Feature Specification Power feedersCapacities Electrical and mechanical cooling capacitiesElectrical panels Power distribution Electrical busway system Arc flash safetyPanel schedules Wire color codeElectrical busways Control cabinet power componentsPower, electrical, and controls Drop boxes Power configurations Rack powerHP POD 40c G2 lighting Power, electrical, and controls Using the ECS Environmental control systemEnvironmental control system overview Sensors Satellite control boxesTop view shown Sensor Quantity Description Facility connections to ECS Connecting to the ECSManaging the ECS from the HP POD 40c G2 Configuring the ECSEnvironmental control system Logging in remotely to the ECS Click Connect Locating the ECS IP addressesNavigating the ECS interface Password protectionIcon name Description Controller Settings screen onOverview screen Information Description Status Overview screen Basic System Configuration screenConfiguring the cold aisle temperature alarm parameters Configuring the hot aisle temperature alarm parameters Current temperature parameters appear on the related buttons Setting the dimensions of the ECS Advanced System Configuration screenEnvironmental control system Calibrating the flowmeter Enable/disable power management Controller Settings screen 40c G2 Maintenance and Service Guide or ECS alarmsSafety and security alarms Fire alarm sequence of operationsAlarm Meaning Solution Water supply temperature Cooling systemHP POD 40c G2 cooling system theory of operation Water quality requirements and specifications Cooling system components Side view shown Component Description FansDrains Condensation managementLeak detection IT networking and communications NetworkingConnection portals Demarcation box Fire boxConnection portal Connection point Quantity Diameter IT networking and communications Controlled access Optional componentsHumidifier Standard HP POD 40c G2 power up procedure Power up procedureStandard power up checklist Standard power up procedureSite electrical Cold weather HP POD 40c G2 power up procedureSite chilled water ECS and EPOCold weather power up procedure Cold weather power up checklistPOD heating procedure Power down procedure General HP POD 40c G2 specifications SpecificationsElectrical specifications Features SpecificationsEnvironmental specifications Rack specificationsWater specifications Standard HP POD 40c G2 racks AT978A Feature Specification29ºC to 54ºC -20ºF to 130ºF Maintenance Periodic maintenanceSample HP POD 40c G2 maintenance schedule Contacting HP Before you contact HPHP contact information Safety and NEC compliance Regulatory compliance noticesHP POD 40c G2 regulatory compliance Federal Communications Commission notice Regulatory compliance identification numbersModifications CablesRegulatory requirements for Exit signs Glossary Enclosure of sufficient size to enable entry of personnel Programmable logic controllerPersonal protective equipment Uninterruptible power system Documentation feedback Index ECS, configuring ECS, logging in toWater quality 57 water temperature 56 wire color code
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Performance Optimized Data Center (POD) 40c specifications

The HP Performance Optimized Data Center (POD) 40c is a state-of-the-art data center solution designed to meet the increasing demands for efficiency, scalability, and flexibility in enterprise environments. Aimed at delivering high-performance computing with minimal environmental impact, the POD 40c integrates innovative technologies and features to optimize operations.

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