Dellt Online Rack UPS3750W and 4200WUser's GuideK804N, H952N, J730N, K805NJ739Nw w w . d e l l . c o m | s u p p o r t . d e l l . c o m
10 |Safety WarningsS To reduce the risk of fire or electric shock, install this UPS in a temperature and humiditycontrolled, indoor environment, free
11 Safety Warnings|WARNING: Additional instructions for Rack-Mounted SystemsS Your rack kit has been approved only for the rack cabinet provided. It i
12 |InstallationInstallationThis chapter explains:S Equipment inspectionS Unpacking the cabinetS UPS rear panelsS UPS setup and installation, includin
13 Installation|Unpacking the CabinetCAUTION: Unpacking the cabinet in a low-temperature environment may cause condensation to occur in andon the cabi
14 |Installation2 With one person on each side, carefully lift the cabinet out of the outer carton using the handleson the cardboard and set it on a f
15 Installation|Identifying the UPS Rear PanelsThis section shows the rear panels of the Dell Online Rack models.UPSCommunication Bay2m, L6-30P Power
16 |InstallationUPSCommunication BayInput Terminal BlockUSB PortEight IEC 320-C13 Receptacles(Load Segment 1)REPO PortsRS-232 PortGround ScrewTwo IEC
17 Installation|UPSCommunication BayInput Terminal BlockUSB PortSix IEC 320-C13 Receptacles(Load Segment 2)REPO PortsRS-232 PortGround ScrewFour IEC 3
18 |InstallationRackmount SetupCAUTION: The cabinet is heavy (see page 62): 1) Dell strongly recommends to remove the battery tray from theUPS before
19 Installation|Pull the battery trays out using the plastic tabs and remove the battery trays (see Figure 10).Figure 10. Removing the Battery Trays2
Notes and WarningsNOTE: A NOTE indicates important information that helps you make better use of your software.DANGER: A DANGER indicates an imminentl
20 |Installation5 Attach the rails to the rack:Engage the back end of the rail until it fully seats on the vertical rack flange and the hook latchlock
21 Installation|6 Slide the cabinet into the rack (see Figure 12). Repeat for any additional cabinets.Figure 12. Installing the Cabinet7 Secure the fr
22 |Installation8 Install the UPS battery trays (see Figure 14).Figure 14. Installing the Battery Trays
23 Installation|9 Replace the battery retaining bracket (see Figure 15).10 Tighten the thumbscrew.Torque the screw to 0.7 Nm (6.2 lb in).NOTE: A small
24 |Installation12 Install the UPS front cover (see Figure 16).Figure 16. Installing the UPS Front CoverInstalling the EBMNOTE: A small amount of arci
25 Installation|Installing the UPSTo install the UPS:1 If you plan to use Dell UPS Management Software, connect your computer to the USB port usingthe
26 |InstallationCAUTION: To ensure the UPS stops supplying power to the load during any mode of operation, the inputpower must be disconnected from th
27 Installation|NOTE: A separate contact must simultaneously cause UPS input AC power to be removed.5 Connect the switch or circuit to the REPO connec
28 |InstallationAC MainsWall2-poleBreakerUPSLineNeutralFigure 19. Circuit Breaker DiagramTo hardwire the UPS input:1 Switch off utility power at the d
29 Installation|5 Insert the conduit through the wiring access entry and attach the conduit fitting to the panel.Strip 0.5” (1.5 cm) of insulation fro
3 Table of Contents|Table of Contents1 IntroductionFinding Information 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30 |Installation4 For 3750W/208V models only. Verify that the power input to the UPS has a minimum of 30Aupstream overcurrent protection.Plug the UPS
31 Operation|OperationThis chapter contains information on how to use the UPS, including:S UPS startup and shutdownS Control panel and display functio
32 |Operation4 On the UPS status summary screen, press the button to check for active alarms or notices.Resolve any active alarms before continuing.
33 Operation|Control Panel FunctionsThe UPS has a three-button graphical LCD with dual color backlight. Standard backlight is used tolight up the disp
34 |OperationTo select an option:1 When scrolling through the settings, the present setting displays for each selection.2 Press the button to select
35 Operation|Screen LockedTo lock a screen, press the button. The current view stays locked and does not automatically returnto the default screen a
36 |OperationTable 3. Status Summary Screens Status Summary ScreenDescriptionUPS Critical FailureThe UPS is in Fault mode. The status icon and backgr
37 Operation|Table 3. Status Summary Screens (continued)Status Summary Screen DescriptionBattery Test StatusThe status when the UPS is performing a ba
38 |OperationTable 4 describes the available battery status screens. Only one battery status is available at a time.Table 4. Battery Status ScreensBat
39 Operation|MeasurementsThe measurements screens provide useful measurement information on:S Output watts VA, current, power factor, voltage, and fre
4 |Table of ContentsDisplay Functions 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Startup Screen
40 |OperationControl ScreensTable 5 describes the available control screens.Table 5. Control ScreensControl ScreensDescriptionGo to Bypass Transfers t
41 Operation|IdentificationThe identification screens display the following UPS information:S Type and modelS Part numberS Serial numberS UPS firmware
42 |OperationSettingsOnly available options are displayed.User settings are not protected by default. You can enable the password through the User Pas
43 Operation|Table 6. Settings (continued)Description Default SettingAvailable SettingsOverload Alarm Level [10%] [20%] [30%]...[100%]If 100%, the UPS
44 |OperationTable 6. Settings (continued)Description Default SettingAvailable SettingsBypass Voltage Low Limit [-6%] [-7%]...[-20%] of nominalThe Byp
45 Operation|Table 6. Settings (continued)Description Default SettingAvailable SettingsUnsynchronized Transfers [Enabled] [Disabled]If Enabled, unsync
46 |OperationTable 6. Settings (continued)Description Default SettingAvailable SettingsReset Peak Headroom Watts [No] [Yes]If No, no action.If Yes, th
47 Operation|Transferring from Bypass to Normal ModeTo transfer from Bypass to Normal mode:1 Press the button for one second to go to the main menu
48 |OperationRetrieving the Event LogTo retrieve the Event Log through the display:1 Press the button for one second to go to the main menu selectio
49 Operation|Configuring Load SegmentsLoad segments are sets of receptacles that can be controlled by the Dell UPS Management Software,the Dell Networ
5 Table of Contents|6 UPS MaintenanceUPS and Battery Care 58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50 |OperationConfiguring Automatic Start DelayYou can configure the load segment to turn on automatically after the utility power returns, if it wassh
51 Operation|Configuring Automatic on Battery ShutdownIf set to Off (default), the load segment turns off only when commanded manually by the button
52 |OperationConfiguring Battery SettingsConfigure the UPS settings for an installed EBM, including whether to run automatic battery tests andautomati
53 Operation|Running Automatic Battery TestsThe automatic discharge test, enabled by default, runs during the transition from Float to Rest mode.After
54 |Additional UPS FeaturesAdditional UPS FeaturesThis chapter describes:S Communication ports (RS-232 and USB)S Dell Network Management CardS Dell UP
55 Additional UPS Features|Table 8. RS-232 Communication Port Pin AssignmentPinSignal Name Function Direction from the UPS1 Unused —2 Tx Transmit to e
56 |Additional UPS FeaturesDell Network Management Card (Optional)The Dell Online Rack UPS has one available communication bay, which supports the opt
57 Additional UPS Features|Dell UPS Management SoftwareEach Dell Online Rack UPS ships with Dell UPS Management Software.Dell UPS Management Software
58 |UPS MaintenanceUPS MaintenanceThis chapter explains how to:S Care for the UPS and batteriesS Transport the UPSS Store the UPS and batteriesS Test
59 UPS Maintenance|3 Remove the UPS front cover (see Figure 26).Figure 26. Removing the UPS Front Cover4 Disconnect the internal battery connectors (s
6 |IntroductionIntroductionThe Dellt Online Rack uninterruptible power system (UPS) protects your sensitive electronicequipment from basic power probl
60 |UPS Maintenance5 Replace the UPS front cover (see Figure 28).Figure 28. Replacing the UPS Front CoverStoring the UPS and BatteriesIf you store the
61 UPS Maintenance|Testing BatteriesFor a battery test to run:S The batteries must be fully charged.S The UPS must be in Normal mode or High Efficienc
62 |SpecificationsSpecificationsThis chapter provides the following specifications:S Model listS Dimensions and weightsS Electrical input and outputS
63 Specifications|Table 11. Electrical Input208V Models 230V ModelsNominal Voltage 200–220V 220–240VVoltage Range(Engineering Specifications)155–255V
64 |SpecificationsTable 13. Environmental and Safety208V Models 230V ModelsOperating Temperature Up to 1,500 meters: 0°C to 40°C (32°F to 104°F); UL t
65 Specifications|Table 14. BatteryConfiguration3700W: (16) 12V, 7.2 Ah internal batteries; (16) 12V, 7.2 Ah EBM4200W: (16) 12V, 7.2 Ah internal batte
66 |TroubleshootingTroubleshootingThe Dell Online Rack UPS is designed for durable, automatic operation and issues alarms to alert youwhenever potenti
67 Troubleshooting|Event Log MenuFrom the Event Log menu, you can access the last 50 events, which includes events, notices, andalarms, arranged from
68 |TroubleshootingTable 15. Typical Alarms and Conditions (continued)Alarm or Condition ActionPossible CauseBattery test did not run orwas interrupte
69 Troubleshooting|Table 15. Typical Alarms and Conditions (continued)Alarm or Condition ActionPossible CauseShutdown Imminent(Alarm 55)Continuous Ala
7 Introduction|Providing outstanding performance and reliability, the UPS's unique benefits include:S Online UPS design with pure sine wave outpu
70 |TroubleshootingTable 15. Typical Alarms and Conditions (continued)Alarm or Condition ActionPossible CauseOutput Overload(Alarm 25)Continuous Alarm
71 Troubleshooting|Table 15. Typical Alarms and Conditions (continued)Alarm or Condition ActionPossible CauseDC Link Over Voltage(Alarm 28)Continuous
8 |IntroductionFinding InformationCAUTION: The Safety, Environmental, and Regulatory Information document provides important safety andregulatory info
9 Safety Warnings|Safety WarningsCAUTION: Before performing the procedures in this document, read and follow the safety instructions andimportant regu
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