Dell H914N, K789N UPS Initial Startup, Minimum Upstream Circuit Breaker Rating UPS Output Power

Page 22

UPS Initial Startup

To start up the UPS:

1Verify that the internal batteries are connected.

2If an optional EBM is installed, verify that the EBM is connected to the UPS.

3Verify that the power input to the UPS has adequate upstream overcurrent protection:

Table 1. Minimum Upstream Circuit Breaker Rating

UPS Output Power

120V

208V

230V

 

 

 

 

500W

15A

15A

 

 

 

 

1000W

15A

15A

 

 

 

 

1500W (at 100V)

20A

15A

1920W

 

 

 

 

 

 

 

The power cord current ratings are listed in Table 2.

Table 2. Power Cord Ratings

Dell UPS Model and Voltage

Power Cord

Rating

Country

Supplied Cord Set

 

 

 

 

 

 

500W and 1000W

100V

JIS C8303 to C13

12A

Japan

Optional

 

 

 

 

 

 

 

 

NEMA 5-15P to C13

15A

North America

Yes

 

 

 

 

 

 

 

 

CNS 10917-2 to C13

15A

Taiwan

Optional

 

 

 

 

 

 

500W and 1000W

120V

C13 to C14 Jumper

12A

Japan

Optional

 

 

 

 

 

 

 

 

NBR 14136 to C13

10A

Brazil

Optional

 

 

 

 

 

 

 

 

NBR 6147 to C13

10A

Brazil

Optional

 

 

 

 

 

 

22 Installation

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Contents Users Guide September 2009 S 164201786 Table of Contents RS-232 and USB Communication Ports Network Transient Protector Dell UPS Management SoftwareTesting Batteries UPS Status Menu Event Log MenuIntroduction Dell Tower UPSIntroduction Finding Information What are You Looking For? Find It HereSafety Warnings UPS Output PowerSafety Warnings Installation Inspecting the EquipmentUnpacking the System Unpacking the SystemIdentifying the UPS Rear Panels 100/120V Rear Panel120V Rear Panel 120V, 1500W/100V Rear Panel Identifying the UPS Front Panel Connecting the UPS Internal Battery Removing the UPS Front CoverConnect the internal battery connector see Figure External Battery Module Installation Removing the Battery Connector CoverInstalling the Battery Connector Cover Installing the UPS Typical UPS Installation 120V Model ShownPower Cord Ratings Minimum Upstream Circuit Breaker Rating UPS Output PowerUPS Initial Startup Rating Australia Optional GB2099 to C13 Connecting the Power Cord Installation UPS Startup and Shutdown OperationStarting the UPS Starting the UPS on Battery UPS ShutdownControl Panel Functions Control Button Functions Control Button SequenceDisplay Functions Changing the LanguageStartup Screen Screen Locked UPS StatusUPS General Alarms Active Battery ModeBad Battery Detected or Battery Disconnected Battery Test StatusStandby Mode Status Summary Screens Description Normal ModeBattery Status Screens Description Event Log MeasurementsControl Screens Control Screens DescriptionSettings Description Available Settings Default Setting SettingsIdentification Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Retrieving the Event Log Behavior on OverloadConfiguring Load Segments Controlling Load Segments Through the DisplayConfiguring Automatic Start Delay Configuring Automatic on Battery Shutdown Configuring Battery Settings Configuring the UPS for an EBMRunning Automatic Battery Tests Configuring Automatic RestartConfiguring Automatic Battery Tests Additional UPS Features RS-232 and USB Communication PortsRS-232 Communication Port Pin Assignment GNDDell Network Management Card Optional Dell Network Management CardNetwork Transient Protector Dell UPS Management SoftwareUPS Maintenance UPS and Battery CareTransporting the UPS Disconnect the internal battery connector see Figure Testing Batteries When to Replace BatteriesStoring the UPS and Batteries Updating the UPS Firmware Specifications Electrical Input Efficiency Normal modeElectrical Output 100/120V Models 230V Models Power Levels Nominal VoltageTemperature Relative Humidity Environmental and SafetyOperating Temperature Safety ConformanceVoltage Battery ConfigurationBattery Runtimes FusesAccessing Alarms and Conditions TroubleshootingUPS Status Menu Typical Alarms and Conditions Event Log MenuAction Troubleshooting Silencing the Alarm
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J716N, 500W, H965N, H900N, J715N specifications

Dell's power supply units (PSUs) are essential components for Dell servers and workstations, providing reliable power solutions tailored to meet different demands. Among these, the 500W, 1000W, and 1920W/1500W power supplies stand out for their efficiency, performance, and advanced features tailored to various IT environments.

Starting with the 500W power supply, this unit is designed for entry-level servers and workstations. It boasts a compact design that facilitates easy installation in space-constrained scenarios. The 500W PSU operates with a high efficiency rating, contributing to lower energy costs and reduced heat output. It supports the latest energy standards, including 80 PLUS certification, ensuring that customers can rely on it for consistent performance and reliability. This unit is particularly suitable for small to medium businesses looking for cost-effective power solutions for basic applications.

The 1000W power supply represents a step up, featuring dual 12V outputs that provide stable power for more demanding tasks. Designed for mid-range servers and advanced workstations, it balances performance and efficiency, making it ideal for enterprises that require additional processing power for virtualization, data analysis, and high-performance computing tasks. The 1000W PSU includes built-in protections against over-voltage, short circuits, and over-temperature conditions, adding an extra layer of reliability that is crucial for mission-critical operations.

For environments with higher power demands, Dell offers the 1920W/1500W power supply. This robust unit is engineered for high-performance servers and large-scale data centers, where maximum uptime and performance are paramount. The modular design of the 1920W/1500W power supply allows for enhanced cable management, reducing clutter and improving airflow within racks. With an efficiency rating that adheres to 80 PLUS Platinum standards, this PSU not only minimizes energy consumption but also maximizes operational efficiency, making it ideal for organizations looking to optimize their data center environments.

In summary, Dell's 500W, 1000W, and 1920W/1500W power supplies cater to a wide range of computing needs. From entry-level solutions to high-capacity units for demanding environments, Dell ensures that its power supplies provide reliability, efficiency, and performance. As organizations continue to evolve their IT infrastructure, these power supplies remain pivotal in supporting their growth and operational goals.