Dellt Online Rack UPS 2700W User's Guide K803N, H950N, J728N H967N www.dell.com | support.dell.
Notes and Warnings NOTE: A NOTE indicates important information that helps you make better use of your software. DANGER: A DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING: A WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or injury.
Table of Contents 1 Introduction Finding Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Safety Warnings 3 Installation 8 Inspecting the Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Unpacking the Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Identifying the UPS Rear Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Display Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Startup Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Screen Locked . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 UPS Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Event Log . . . . . . . . . . . . . . . . . . . . . . . .
6 UPS Maintenance UPS and Battery Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Transporting the UPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Storing the UPS and Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 When to Replace Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Testing Batteries . . . . . . . . . . . . . .
Introduction 1 The Dellt Online Rack uninterruptible power system (UPS) protects your sensitive electronic equipment from basic power problems such as power failures, power sags, power surges, brownouts, and line noise. Power outages can occur when you least expect them and power quality can be erratic. These power problems have the potential to corrupt critical data, destroy unsaved work sessions, and damage hardware — causing hours of lost productivity and expensive repairs.
Providing outstanding performance and reliability, the UPS's unique benefits include: S Online UPS design with pure sine wave output. The UPS filters and regulates incoming AC power and provides consistent power to your equipment without draining the battery. S True online double-conversion technology with high power density, utility frequency independence, and generator compatibility. S Selectable High Efficiency mode of operation. S 4U size that fits any standard 48 cm (19”) rack.
Finding Information CAUTION: The Safety, Environmental, and Regulatory Information document provides important safety and regulatory information. What are You Looking For? S The user's guide for my UPS Find It Here Dell UPS Disc S The user's guide for the Dell Network Management Card S Dell UPS Management Software NOTE: Documentation and software updates can be found at support.dell.com.
2 Safety Warnings CAUTION: Before performing the procedures in this document, read and follow the safety instructions and important regulatory information in your Safety, Environmental, and Regulatory Information document. IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that you should follow during installation and maintenance of the UPS and batteries. Please read all instructions before operating the equipment and save this manual for future reference.
CAUTION: Observe the following instructions to help prevent a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or in property damage incidents: S For PLUGABLE EQUIPMENT, the power outlet shall be installed near the equipment and shall be easily accessible. S Servicing of batteries should be performed or supervised by personnel knowledgeable about batteries and the required precautions. Keep unauthorized personnel away from batteries.
WARNING: Slide/rail mounted equipment is not to be used as a shelf or work space. Do not add weight to slide/rail mounted equipment.
Installation 3 This chapter explains: S Equipment inspection S Unpacking the cabinet S UPS rear panels S UPS setup and installation, including the External Battery Module (EBM) S Remote Emergency Power-off (REPO) installation S Initial startup Inspecting the Equipment If any equipment has been damaged during shipment, keep the shipping cartons and packing materials for the carrier or place of purchase and file a claim for shipping damage.
Unpacking the Cabinet CAUTION: Unpacking the cabinet in a low-temperature environment may cause condensation to occur in and on the cabinet. Do not install the cabinet until the inside and outside of the cabinet are absolutely dry (hazard of electric shock). CAUTION: The cabinet is heavy (see page 63). Use caution to unpack and move the cabinet. Use care when moving and opening the carton. Leave the components packaged until ready to install.
2 With one person on each side, carefully lift the cabinet out of the outer carton using the handles on the cardboard and set it on a flat, stable surface (see Figure 3). Place the cabinet in a protected area that has adequate airflow and is free of humidity, flammable gas, and corrosion. Figure 3. Lifting the Cabinet 3 14 Discard or recycle the packaging in a responsible manner, or store it for future use.
Identifying the UPS Rear Panels This section shows the rear panels of the Dell Online Rack models. RS-232 Port UPS Communication Bay USB Port REPO Ports Two IEC 320-C13 Receptacles (Load Segment 2) One L5-20 and Two 5-15/5-20 Receptacles (Load Segment 1) 2m, L5-30P Input Cord EBM Connector Cover/Strain Relief Bracket Ground Screw Figure 4.
UPS Communication Bay RS-232 Port USB Port Two IEC 320-C13 Receptacles (Load Segment 2) REPO Ports IEC-C20 Input Connector One IEC 320-C19 and Six IEC 320-C13 Receptacles (Load Segment 1) Figure 6. 2700W, 230V Rear Panel Identifying the UPS Front Panel On/Off Button Scroll Button (Up or Back) LCD Panel Scroll Button (Down or Forward) Select Button Figure 7.
Rackmount Setup CAUTION: The cabinet is heavy (see page 63): 1) Dell strongly recommends to remove the battery tray from the UPS before lifting. 2) Lifting the cabinets into the rack requires a minimum of two people. CAUTION: Removing the batteries should be performed or supervised by personnel knowledgeable about batteries and the required precautions. Keep unauthorized personnel away from batteries. CAUTION: If installing an optional EBM, install the EBM directly below the UPS.
Disconnect the battery connector and place the right battery connector in the battery door to move it out of the way. Pull the battery tray out using the plastic tabs and remove the battery tray (see Figure 9). Figure 9. Removing the Battery Tray 2 18 If installing additional UPSs, repeat Step 1 for each cabinet.
NOTE: The instructions are the same for square-hole racks and unthreaded, round-hole racks. The rails fit both rack styles. The round-hole rack is shown in the illustrations. 3 Select the proper holes in the rail for positioning the cabinet in the desired location in the rack. The rails should be located at the bottom of the 4U space allocated for the UPS or 3U for the EBM. 4 Position the end of the left and right rails labeled L and R facing inward. Figure 10.
5 Attach the rails to the rack (see Figure 11): Adjust the rail so that the flanges fit outside the C-shaped vertical rail. Secure the rail using the supplied #12-24 Phillips head screws (four for each rail). Use the bottom two holes for the front of the rail. Use the second and fourth holes for the back of the rail. NOTE: If the vertical rail has square holes, use a square nut (not supplied) with the supplied #12-24 Phillips-head screw. Figure 11.
6 Slide the cabinet into the rack (see Figure 12). 7 Secure the cabinet to the rack using the supplied #12-24 Phillips-head screws (two on each side). 8 Repeat for any additional cabinets. Figure 12.
9 Install the UPS battery tray (see Figure 13). NOTE: A small amount of arcing may occur when connecting the batteries. This is normal and does not damage the unit or present any safety concern. 10 Remove the right battery connector from the door and connect the internal battery connector. 11 Close the metal battery cover. Adjust the battery connector so that the door closes properly. Push the door slightly to the right and then to left. 12 Tighten the thumbscrew. Torque the screw to 0.7 Nm (6.
13 Install the UPS front cover (see Figure 14). Figure 14.
Installing the EBM NOTE: A small amount of arcing may occur when connecting an EBM to the UPS. This is normal and will not harm personnel. Insert the EBM cable into the UPS battery connector quickly and firmly. To install the optional EBM: 1 Remove the battery connector cover from the rear panel as shown in Figure 15. Retain the cover and screws. NOTE: If the UPS is stored or used without an EBM, the battery connector cover must be installed as a safety precaution. Figure 15.
2 Install the battery connector cover under the EBM cable to provide strain relief (see Figure 16). Rotate the battery connector cover on its side and position under the EBM cable. Figure 16.
3 Plug the EBM cable into the UPS battery connector (see Figure 17). Secure the battery connector cover to the UPS rear panel using the screws removed in Step 1. Figure 17. EBM Installation Installing the UPS To install the UPS: 1 If you plan to use Dell UPS Management Software, connect your computer to the USB port using the supplied cable. For more information about communication options, see page 54.
3 If an emergency power-off (disconnect) switch is required by local codes, see the following section, “Installing Remote Emergency Power-off” (REPO) to install the REPO switch before powering on the UPS. 4 Plug the equipment to be protected into the UPS output receptacles, but do not turn on the protected equipment. NOTE: Verify that the total equipment ratings do not exceed the UPS capacity to prevent an overload alarm.
NOTE: The pins must be open to keep the UPS running. If the UPS shuts down because the REPO connector pins are shorted, restart the UPS by re-opening the REPO connector pins and turning on the UPS manually. Maximum resistance in the shorted loop is 10 ohm. NOTE: Always test the REPO function before applying your critical load to avoid accidental load loss. Remove Jumper if installed Figure 18. REPO Connector To install the REPO switch: 1 Verify that the UPS is off and unplugged.
UPS Initial Startup To start up the UPS: 1 Verify that the internal batteries are connected. 2 If an optional EBM is installed, verify that the EBM is connected to the UPS. 3 Verify 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 2700W 30A 20A 16A The power cord current ratings are listed in Table 2. Table 2.
4 For models with a detachable power cord. Plug the detachable UPS power cord into the input connector on the UPS rear panel. 5 Plug the UPS power cord into a power outlet. The UPS front panel display illuminates. The Dell startup screen changes to the UPS status summary screen. The UPS front panel display shows the flashing Standby icon . 6 Press the button on the UPS front panel.
4 Operation This chapter contains information on how to use the UPS, including: S UPS startup and shutdown S Control panel and display functions S Retrieving the Event Log S Transferring the UPS between modes S Setting power strategy S Behavior on overload S Configuring load segments, battery settings, and automatic restart UPS Startup and Shutdown NOTE: The the UPS. button controls only the UPS output.
4 On the UPS status summary screen, press the button to check for active alarms or notices. Resolve any active alarms before continuing. See “Troubleshooting” on page 66. If there are no active alarms, a “No Active Alarms” message appears. 5 Verify that the Normal mode icon appears on the UPS status summary screen, indicating that the UPS is operating normally and any loads are powered.
Control Panel Functions The UPS has a three-button graphical LCD with dual color backlight. Standard backlight is used to light up the display with white text and a blue background. When the UPS has a critical alarm, the backlight changes the text to dark amber and the background to amber. See Figure 19. Figure 19.
To select an option: 1 When scrolling through the settings, the present setting displays for each selection. 2 Press the button to select the option. The current setting for the option flashes when selected. 3 Use the 4 Set the new option by holding the or buttons to toggle the available options. button again for one second. The option stops flashing. Changing the Language Language selection is controlled through the user settings. See Table 7 page 41 for information on available languages.
Screen Locked To lock a screen, press the button. The current view stays locked and does not automatically return to the default screen after time-out. When the screen is locked, the image of a key appears on the UPS status summary screen just to the left of the status icon. See Figure 20. Pushing any button returns the normal button function, unlocks the screen, and removes the lock symbol. Figure 20. A Locked Screen Only screens that have dynamic, real-time data updates can be locked.
Table 4. Status Summary Screens Status Summary Screen Description UPS Critical Failure The UPS is in Fault mode. The status icon and background are flashing. Battery Mode The status icon and background of the icon are flashing. An audible alarm (0.5 seconds on/4.5 seconds off) accompanies the switch to Battery mode. When the utility power returns, the UPS transfers to Normal mode operation while the battery recharges. Bypass Mode The UPS is operating in Bypass mode through the static bypass switch.
Table 4. Status Summary Screens (continued) Status Summary Screen Description Battery Test Status The status when the UPS is performing a battery test. Normal Mode The UPS is operating in Normal mode from utility power. The UPS monitors and charges the batteries as needed and provides filtered power protection to your equipment. High Efficiency Mode The UPS is operating in High Efficiency mode. Converter Mode The UPS is operating in Converter mode.
Table 5 describes the available battery status screens. Only one battery status is available at a time. Table 5. Battery Status Screens Battery Status Screen Description Battery charging Batteries are charged in constant current mode. Battery floating Batteries are charged in constant voltage mode. Battery resting Batteries are connected but are not being charged or discharged. (This is part of the normal charging cycle.) Battery discharging Batteries are discharging.
Measurements The measurements screens provide useful measurement information on: S Output watts VA, current, power factor, voltage, and frequency S Input voltage and frequency S Battery voltage and percentage charged S Instantaneous Headroom Watts remaining S Peak Headroom Watts (the remaining watts available to support the load at peak demand, includes the date and timestamp of the peak demand) S Peak Consumption Watts (the peak power demand on the UPS, includes the date and timestamp of the peak demand)
Control Screens Table 6 describes the available control screens. Table 6. Control Screens Control Screens Description Go to Bypass Transfers the UPS system to internal Bypass mode. When the Go to Bypass command is issued, the screen immediately shows the message for five seconds: Manual Bypass Command. The option then changes to Go to Normal. When the Go to Normal command is issued, the screen immediately shows the message Normal Mode Command Sent for five seconds.
Identification The identification screens display the following UPS information: S Type and model S Part number S Serial number S UPS firmware S Network Management Card firmware NOTE: The NMC firmware screen displays only if the Network Management Card is installed. See “Dell Network Management Card“ on page 56. Settings Only available options are displayed. User settings are not protected by default. You can enable the password through the User Password setting.
Table 7. Settings (continued) Description Available Settings Set Date and Time Set Month, Day, Year, Hours, Minutes, and Seconds Default Setting Date: mm/dd/yyyy 01/01/2009 Time: hh:mm:ss 12:00:00 NOTE: The date format is dependent on the language selection. NOTE: Time is a 24-hour clock. Control Commands from Serial Port [Enabled] [Disabled] Enabled If Enabled, control commands are accepted through the serial port, USB ports, or option card.
Table 7. Settings (continued) Description Available Settings Default Setting Battery Saving Mode [Disabled] [10%] [20%] [30%]...[100%] Disabled The UPS output is turned off in five minutes if the UPS is on battery and output power is below the selected level. On Battery Notice Delay [0] [1s] [2s]...[99s] 0s The UPS issues a “UPS on battery” notice in the specified number of seconds after the UPS starts to discharge the batteries.
Table 7.
Table 7. Settings (continued) Description Available Settings Default Setting Charger [Enabled] [Disabled] Enabled If Enabled, batteries charge normally. If Disabled, the battery charger is off. Battery Charge % to Restart [0 %] [10%] [20%] [30%]...[100%] 0% When enabled, automatic restart is made when the battery charge state reaches the selected level. If set to 0, the feature is disabled.
Table 7. Settings (continued) Description Available Settings Default Setting Reset Peak Headroom Watts [No] [Yes] No If No, no action. If Yes, the Peak Headroom Watts value is cleared and the date and time stamp for this statistic is set to the current date and time. Clear Event Log The number after “Total events” shows how many events are currently stored in the log. Press the button for one second to reset the event count to zero and clear the log.
Transferring from Bypass to Normal Mode To transfer from Bypass to Normal mode: 1 Press the button for one second to go to the main menu selection and scroll down to the Control menu using the button. 2 Press the 3 Select Go to Normal. button to enter the Control menu. The text on the screen changes to Normal Command Sent. The Normal mode icon indicating Normal mode.
Retrieving the Event Log To retrieve the Event Log through the display: 1 Press the button for one second to go to the main menu selection and scroll down to the Event Log menu using the button. 2 Press the 3 Scroll through the listed events, notices, and alarms using either the 4 To return to the main menu, press the 5 Press the button to enter the Event Log list. button or the button. button for one second. The Event Log displays. button. The UPS status screen displays.
Configuring Load Segments Load segments are sets of receptacles that can be controlled by the Dell UPS Management Software, the Dell Network Management Card, or through the LCD display, providing an orderly shutdown and startup of your equipment. For example, during a power outage, you can keep key pieces of equipment running while you turn off other equipment. This feature allows you to save battery power. Each Dell Online Rack model has two configurable load segments.
Configuring Automatic Start Delay You can configure the load segment to turn on automatically after the utility power returns, if it was shut down by: S The button S An external command with auto-restart option S Battery under voltage state S Automatic on battery shutdown command You can specify the restart delay time for each load segment: select zero seconds (0s is the default) to restart immediately, select 1–32767 seconds to delay for the specified time, or select Off.
Configuring Automatic on Battery Shutdown If set to Off (default), the load segment turns off only when commanded manually by the an external command, or through the display (Control > Load Segments). button, If set to zero seconds (0s), the load segment turns off automatically when the UPS on Battery state activates.
Configuring Battery Settings Configure the UPS settings for an installed EBM, including whether to run automatic battery tests and automatic restart configuration. Configuring the UPS for an EBM If the UPS is not configured for the EBM, the UPS reports less battery time remaining on the UPS front panel and to any remote software. You may receive a shutdown warning prematurely.
Running Automatic Battery Tests The automatic discharge test, enabled by default, runs during the transition from Float to Rest mode. After the test completes, the charge cycle restarts to completely charge the batteries and then continues to Rest mode normally. The automatic test runs approximately once every three months and does not run again until after three more Float to Rest mode transitions.
5 Additional UPS Features This chapter describes: S Communication ports (RS-232 and USB) S Dell Network Management Card S Dell UPS Management Software RS-232 and USB Communication Ports To establish communication between the UPS and a computer, connect your computer to one of the UPS communication ports using an appropriate communication cable (RS-232 cable not supplied). See “Identifying the UPS Rear Panels” on page 15 for the communication port locations.
Table 9. RS-232 Communication Port Pin Assignment Pin Signal Name 1 Function Direction from the UPS Unused — 2 Tx Transmit to external device Out 3 Rx Receive from external device In Unused — Signal common (tied to chassis) — 6 Unused — 7 Unused — 8 Unused — 9 Unused — 4 5 GND *Unused pins must be left free on all models.
Dell Network Management Card (Optional) The Dell Online Rack UPS has one available communication bay, which supports the optional Dell Network Management Card. See Figure 22 for the location of the communication bay. It is not necessary to shut down the UPS before installing a communication card. 1 Remove the slot cover secured by two screws. Retain the screws. 2 Insert the communication card into the slot. 3 Secure the card with both screws. Figure 22.
Dell UPS Management Software Each Dell Online Rack UPS ships with Dell UPS Management Software. Dell UPS Management Software provides up-to-date graphics of UPS power and system data and power flow. It also gives you a complete record of critical power events, and it notifies you of important UPS or power information.
UPS Maintenance 6 This chapter explains how to: S Care for the UPS and batteries S Transport the UPS S Store the UPS and batteries S Test the batteries S Update the UPS firmware UPS and Battery Care For the best preventive maintenance, keep the area around the UPS clean and dust‐free. If the atmosphere is very dusty, clean the outside of the system with a vacuum cleaner. For full battery life, keep the UPS at an ambient temperature of 25°C (77°F).
3 Remove the UPS front cover (see Figure 23). Figure 23. Removing the UPS Front Cover 4 Open the metal battery cover. Loosen the thumbscrew on the metal battery cover, slide the cover to the right, and open (see Figure 24). Figure 24.
5 Disconnect the internal battery connectors (see Figure 25). Figure 25.
6 Close the metal battery cover. Adjust the battery connector so that the door closes properly. Push the door slightly to the right and then to left. 7 Tighten the thumbscrew. Torque the screw to 0.7 Nm (6.2 lb in). 8 Replace the UPS front cover (see Figure 26). Figure 26. Replacing the UPS Front Cover Storing the UPS and Batteries If you store the UPS for a long period, recharge the battery every 6 months by plugging the UPS into a power outlet.
Testing Batteries For a battery test to run: S The batteries must be fully charged. S The UPS must be in Normal mode or High Efficiency mode with no active alarms. S The load must be higher than 10%. To test batteries: 1 Plug the UPS into a power outlet for at least 48 hours to charge the batteries. 2 Press the button for one second to go to the main menu selection and scroll down to the Control menu using the button. 3 Press the 4 Use the 5 Press the button to enter the Control menu.
7 Specifications This chapter provides the following specifications: S Model list S Dimensions and weights S Electrical input and output S Environmental and safety S Battery S UPS block diagram Table 10. UPS Model List UPS Models 120V Models 208V Model 230V Models 2700R Telco LV (K803N), 2700W 2700R Telco HV-US (H950N), 2700W 2700R Telco HV (J728N), 2700W 2700R EBM (H967N), 96 Vdc External Battery Module (EBM) Table 11. Dimensions and Weights UPS Dimensions (W H D) Weights UPS EBM Model 438.
Table 13. Electrical Output 120V Models 208V Models 230V Models 2700W Power Levels (rated at nominal inputs) -6% to +6% of nominal voltage Regulation (Normal mode) NOTE: This varies based on auto-detected input voltage or customer settings. Regulation (Battery mode), Nominal Voltage ±5% -6% to +6% of nominal voltage NOTE: This varies based on auto-detected input voltage or customer settings.
Table 15.
8 Troubleshooting The Dell Online Rack UPS is designed for durable, automatic operation and issues alarms to alert you whenever potential operating problems occur. Usually the alarms shown by the control panel do not mean that the output power is affected. Instead, they are preventive alarms intended to alert the user. Active alarms and active notices are accompanied by an audible buzzer.
Event Log Menu From the Event Log menu, you can access the last 50 events, which includes events, notices, and alarms, arranged from newest to oldest. Events are silent conditions that are recorded in the Event Log as status information, such as “Clock Set Done.” Events do not require a response. Notices and alarms are records of when events occurred and, if applicable, when they were cleared. S Notices, including active notices, are recorded in the Event Log.
Table 16. Typical Alarms and Conditions (continued) Alarm or Condition Possible Cause Action Battery test did not run or was interrupted. One of the conditions listed in “Running Automatic Battery Tests” on page 53 was not present. Resolve the condition, then restart the test. The UPS does not transfer to Bypass mode. The bypass utility does not qualify. Check the bypass utility. The UPS is receiving bypass utility power that may be unstable or in brownout conditions. Bypass mode is disabled.
Table 16. Typical Alarms and Conditions (continued) Alarm or Condition Possible Cause Shutdown Imminent Communication to external The alarm is issued when the battery time devices stops because the UPS remaining reaches zero. All connected devices has entered a state where it may should have already shut down gracefully. abruptly stop operating without further notice unless utility returns.
Table 16. Typical Alarms and Conditions (continued) Alarm or Condition Possible Cause Action Output Overload The load level is at or has exceeded the configurable threshold limit for a Level 1 Overload condition. The UPS can support the load indefinitely at this load level. The load level is >101% and <110% of the UPS rating. Remove some of the equipment from the UPS. The UPS continues to operate, but transfers to Fault mode in two minutes.
Table 16. Typical Alarms and Conditions (continued) Alarm or Condition Possible Cause Action DC Link Over Voltage The link or rail voltage has exceeded its upper threshold limit. The UPS transfers to Bypass mode if supporting the load. The link or rail voltage has dropped below its lower threshold limit. The UPS transfers to Bypass mode if supporting the load. The UPS has detected a fault in the rectifier circuit while attempting recovery from Bypass mode or Converter mode.
