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Dell t Online Rack UPS 2700W User's Guide K803N, H950N, J728N H967N w w w . d e l l . c o m | s u p p o r t . d e l l . c o m.
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.
3 Table of Contents | Table of Contents 1 Introduction Finding Information 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Safety Warnings 3 Installation Inspecting the Equipment 12 . . . . . . . . . .
4 | Table of Contents Display Functions 34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Startup Screen 34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Screen Locked 35 .
5 Table of Contents | 6 UPS Maintenance UPS and Battery Care 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transporting the UPS 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 | Introduction Introduction The Dell t 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.
7 Introduction | 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.
8 | Introduction Finding Information CAUTION: The Safety, Environmental, and Regulatory Information document provides important safety and regulatory information.
9 Safety Warnings | 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.
10 | Safety Warnings 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.
11 Safety Warnings | 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.
12 | Installation Installation 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 Remot.
13 Installation | 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).
14 | Installation 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.
15 Installation | Identifying the UPS Rear Panels This section shows the rear panels of the Dell Online Rack models. UPS Communication Bay 2m, L5-30P Input Cord USB Port One L5-20 and Two 5-15/5-20 Re.
16 | Installation IEC-C20 Input Connector UPS Communication Bay USB Port REPO Ports RS-232 Port Two IEC 320-C13 Receptacles (Load Segment 2) EBM Connector Cover/Strain Relief Bracket One IEC 320-C19 and Six IEC 320-C13 Receptacles (Load Segment 1) Ground Screw Figure 6.
17 Installation | Rackmount Setup CAUTION: The cabinet is heavy (see page 63): 1) Dell strongly recommends to remove the battery tray from the UPS before lifting.
18 | Installation 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 If installing additional UPSs, repeat Step 1 for each cabinet.
19 Installation | 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.
20 | Installation 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.
21 Installation | 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).
22 | Installation 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.
23 Installation | 13 Install the UPS front cover (see Figure 14). Figure 14. Installing the UPS Front Cover.
24 | Installation 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.
25 Installation | 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.
26 | Installation 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.
27 Installation | 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.
28 | Installation 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.
29 Installation | 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.
30 | Installation 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.
31 Operation | 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 .
32 | Operation 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.
33 Operation | 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.
34 | Operation 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 or buttons to toggle the available options.
35 Operation | 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.
36 | Operation 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.
37 Operation | 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.
38 | Operation 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.
39 Operation | 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.
40 | Operation 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.
41 Operation | 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.
42 | Operation Table 7. Settings (continued) Description Default Setting Available Settings Set Date and Time Set Month, Day, Year, Hours, Minutes, and Seconds Date: mm/dd/yyyy Time: hh:mm:ss NOTE: The date format is dependent on the language selection.
43 Operation | Table 7. Settings (continued) Description Default Setting Available Settings Battery Saving Mode [Disabled] [10%] [20%] [30%]...[100%] The UPS output is turned off in five minutes if the UPS is on battery and output power is below the selected level.
44 | Operation Table 7. Settings (continued) Description Default Setting Available Settings Qualify Bypass [Always] [Never] [Bypass Disabled] If Always, Bypass operation is allowed when: S Bypass volt.
45 Operation | Table 7. Settings (continued) Description Default Setting Available Settings Charger [Enabled] [Disabled] If Enabled, batteries charge normally. If Disabled, the battery charger is off. Enabled Battery Charge % to Restart [0 %] [10%] [20%] [30%].
46 | Operation Table 7. Settings (continued) Description Default Setting Available Settings Reset Peak Headroom Watts [No] [Yes] 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.
47 Operation | 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 button to enter the Control menu.
48 | Operation 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 button to enter the Event Log list.
49 Operation | 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.
50 | Operation 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.
51 Operation | Configuring Automatic on Battery Shutdown If set to Off (default), the load segment turns off only when commanded manually by the button, an external command, or through the display (Control > Load Segments). If set to zero seconds (0s), the load segment turns off automatically when the UPS on Battery state activates.
52 | Operation 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.
53 Operation | 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.
54 | Additional UPS Features 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 Communi.
55 Additional UPS Features | Table 9. RS-232 Communication Port Pin Assignment Pin Signal Name Function Direction from the UPS 1 Unused — 2 Tx Transmit to external device Out 3 Rx Receive from exter.
56 | Additional UPS Features 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.
57 Additional UPS Features | 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.
58 | UPS Maintenance UPS Maintenance 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.
59 UPS Maintenance | 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.
60 | UPS Maintenance 5 Disconnect the internal battery connectors (see Figure 25). Figure 25. Disconnecting the Internal Battery Connector.
61 UPS Maintenance | 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).
62 | UPS Maintenance 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.
63 Specifications | 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.
64 | Specifications Table 13. Electrical Output 120V Models 208V Models 230V Models Power Levels (rated at nominal inputs) 2700W Regulation (Normal mode) -6% to +6% of nominal voltage NOTE: This varies based on auto-detected input voltage or customer settings.
65 Specifications | Table 15. Battery Configuration UPS: (8) 12V, 9 Ah internal batteries; EBM: (16) 12V, 9 Ah batteries Voltage 96 Vdc internal, 96 Vdc EBM Fuses UPS: (2) 30A fast fuses in parallel E.
66 | Troubleshooting 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.
67 Troubleshooting | 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.
68 | Troubleshooting Table 16. Typical Alarms and Conditions (continued) Alarm or Condition Action Possible Cause Battery test did not run or was interrupted. One of the conditions listed in “Running Automatic Battery Tests” on page 53 was not present.
69 Troubleshooting | Table 16. Typical Alarms and Conditions (continued) Alarm or Condition Action Possible Cause Shutdown Imminent (Alarm 55) Continuous Alarm Communication to external devices stops because the UPS has entered a state where it may abruptly stop operating without further notice unless utility returns.
70 | Troubleshooting Table 16. Typical Alarms and Conditions (continued) Alarm or Condition Action Possible Cause Output Overload (Alarm 25) Continuous Alarm The load level is at or has exceeded the configurable threshold limit for a Level 1 Overload condition.
71 Troubleshooting | Table 16. Typical Alarms and Conditions (continued) Alarm or Condition Action Possible Cause DC Link Over Voltage (Alarm 28) Continuous Alarm The link or rail voltage has exceeded its upper threshold limit. The UPS transfers to Bypass mode if supporting the load.
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