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Dell K788N manual

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Table of contents for the manual

  • Page 1

    Dell t Tower UPS 500W, 1000W, and 1920/1500W User's Guide H900N, J715N, K788N, H914N, J716N, K789N K806N, H965N w w w . d e l l . c o m | s u p p o r t . d e l l . c o m[...]

  • Page 2

    Notes and Warnings NOTE: A NOTE indicates important information that helps you make better use of your software. CAUTION: A CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or in property damage incidents. WARNING: A WARNING indicates a potentially hazardous situation which, if not av[...]

  • Page 3

    3 Table of Contents | Table of Contents 1 Introduction Finding Information 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Safety Warnings 3 Installation Inspecting the Equipment 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unpacking the System 12 . . . . . [...]

  • Page 4

    4 | Table of Contents Display Functions 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Startup Screen 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Screen Locked 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 5

    5 Table of Contents | 6 UPS Maintenance UPS and Battery Care 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transporting the UPS 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storing the UPS and Batteries 53 . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 6

    6 | Introduction Introduction The Dell t Tower 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 poten[...]

  • Page 7

    7 Introduction | Providing outstanding performance and reliability, the UPS's unique benefits include: S Buck and Boost voltage regulation that ensures regulated voltage to your load by correcting voltage fluctuations. S Start‐on‐battery capability for powering up the UPS even if utility power is not available. S Maintenance is simplified [...]

  • Page 8

    8 | Introduction Finding Information CAUTION: The Safety, Environmental, and Regulatory Information document provides important safety and regulatory information. What are You Looking For? Find It Here S The user's guide for my UPS S The user's guide for the Dell Network Management Card S Dell UPS Management Software NOTE: Documentation a[...]

  • Page 9

    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. IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that you sh[...]

  • Page 10

    10 | Safety Warnings S 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). S If the UPS requires any type of transportation, disconnect the internal UPS batteries before tran[...]

  • Page 11

    11 Installation | Installation This chapter explains: S Equipment inspection S Unpacking the system S UPS rear panels S UPS internal battery connection S UPS installation, including the External Battery Module (EBM) S Initial startup Inspecting the Equipment If any equipment has been damaged during shipment, keep the shipping cartons and packing ma[...]

  • Page 12

    12 | Installation Unpacking the System 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 55). Use caution to unpack and mov[...]

  • Page 13

    13 Installation | Identifying the UPS Rear Panels This section shows the rear panels of the Dell Tower UPS models. OUTPUT 125V~ 15A Communication Port Four 5‐15 Receptacles (Load Segment 1) Network Transient Protector USB Port UPS Communication Bay On/Off Button Two 5‐15 Receptacles (Load Segment 2) IEC-C14 Input Connector Figure 3. 500W, 100/1[...]

  • Page 14

    14 | Installation Communication Port Six 5-15 Receptacles (Load Segment 1) Network Transient Protector USB Port UPS Communication Bay On/Off Button IEC-C14 Input Connector Two 5-15 Receptacles (Load Segment 2) EBM Connector Figure 5. 1000W, 120V Rear Panel Communication Port Six IEC 320-C13 Receptacles (Load Segment 1) Network Transient Protector U[...]

  • Page 15

    15 Installation | Communication Port Eight 5-15/5-20 Receptacles (Load Segment 1) Network Transient Protector USB Port UPS Communication Bay On/Off Button IEC-C20 Input Connector Two 5-15/5-20 Receptacles (Load Segment 2) EBM Connector Figure 7. 1920W/120V, 1500W/100V Rear Panel Communication Port Eight IEC 320-C13 Receptacles (Load Segment 1) Netw[...]

  • Page 16

    16 | Installation Identifying the UPS Front Panel Cover Latch Cover Latch LCD Panel Scroll Button (Up or Back) Select Button Scroll Button (Down or Forward) Figure 9. The Dell Tower UPS[...]

  • Page 17

    17 Installation | Connecting the UPS Internal Battery To ensure proper battery operation: 1 Verify that the UPS is off and unplugged. 2 Remove the UPS front cover (see Figure 10). Push the two cover latches to release the front cover and pull up. Figure 10. Removing the UPS Front Cover 3 Unscrew the thumbscrew on the the metal battery cover and lif[...]

  • Page 18

    18 | Installation 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. 4 Connect the internal battery connector (see Figure 12). Figure 12. Connecting the Internal Battery Connector 5 Replace the metal battery cover. Torque the screw to 0.7 Nm (6.2 lb in).[...]

  • Page 19

    19 Installation | External Battery Module Installation 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. An optional EBM can be installed with 1000W and 1920/1500W Tower UPS models. To install the optional EB[...]

  • Page 20

    20 | Installation 2 Install the battery connector cover under the EBM cable to provide strain relief (see Figure 14). Rotate the battery connector cover on its side and position under the EBM cable. Figure 14. Installing the Battery Connector Cover 3 Plug the EBM cable into the UPS battery connector (see Figure 15). 4 Secure the battery connector c[...]

  • Page 21

    21 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 46. 2 Connect equipment to UPS 1 Connect communication cable from computer to UPS (optional) Figure 16. Typical UPS Ins[...]

  • Page 22

    22 | 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. Minimum Upstream Circuit Breaker Rating UPS Output Power 120V 2[...]

  • Page 23

    23 Installation | Table 2. Power Cord Ratings (continued) Dell UPS Model and Voltage Supplied Cord Set Country Rating Power Cord 500 and 1000W 230V C13 to C14 Jumper 10A China/Korea/Australia Yes C13 to C14 Jumper 12/10A North America/Europe Yes CEE 7/7 Schuko to C13 10A Europe (Schuko) Optional SEV 1011 to C13 10A Switzerland Optional AS 3112 to C[...]

  • Page 24

    24 | Installation Table 2. Power Cord Ratings (continued) Dell UPS Model and Voltage Supplied Cord Set Country Rating Power Cord 1920W 230V C13 to C14 Jumper 10A China/Korea/Australia Yes C13 to C14 Jumper 12/10A North America/Europe Yes CEE 7/7 Schuko to C13 10A Europe (Schuko) Optional SEV 1011 to C13 10A Switzerland Optional AS 3112 to C13 10A A[...]

  • Page 25

    25 Installation | 4 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 . Figure 17. Connecting the Power[...]

  • Page 26

    26 | Installation 7 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 59. If there are no active alarms, a “No Active Alarms” message appears. 8 Verify that the Normal icon appears on the UPS status summary screen, indicating t[...]

  • Page 27

    27 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 Behavior on overload S Configuring load segments, battery settings, and automatic restart UPS Startup and Shutdown NOTE: The button controls only the UPS output. T[...]

  • Page 28

    28 | Operation Starting the UPS on Battery NOTE: Before using this feature, the UPS must have been powered by utility power with output enabled at least once. NOTE: Utility power cannot be present at startup. To start the UPS on battery: 1 Press the button on the UPS rear panel until the UPS beeps. The UPS front panel display illuminates, and the U[...]

  • Page 29

    29 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. See Figure 19. Figure 19. Dell Tower UPS Con[...]

  • Page 30

    30 | 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. 4 Set the new option by holding the button again for one second. The opti[...]

  • Page 31

    31 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. See Figure 20. Pushing any button returns the normal button[...]

  • Page 32

    32 | 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 (0.5 seconds on/4.5 seconds off) accompanies the switch to Battery mode. When the utility [...]

  • Page 33

    33 Operation | Table 4. Status Summary Screens (continued) Status Summary Screen Description 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. Standby Mode When the UPS is turned off and remains plugged into a power outle[...]

  • Page 34

    34 | Operation Event Log The Event Log holds up to 50 events. You can scroll through the event screens, beginning with the most recent event. NOTE: The date format is dependent on the language selection. The first row of each event screen contains the date (MM/DD/YYYY) and time (hh:mm:ss) at which the event occurred. The second row contains the typ[...]

  • Page 35

    35 Operation | Control Screens Table 6 describes the available control screens. Table 6. Control Screens Control Screens Description Battery Test Schedule Battery Test: yes | Cancel Battery test: no Starts a manual battery test. See “Testing Batteries” on page 53. Reset Error State Reset Alarms: yes | no Manually clears any latched alarms, such[...]

  • Page 36

    36 | 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. See “Dell Network Management Card“ on page 48. Settings Only ava[...]

  • Page 37

    37 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. NOTE: Time is a 24-hour clock. 01/01/2009 12:00:00 Control Commands from Serial Port [Enabled] [D[...]

  • Page 38

    38 | 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. Disabled On Battery Notice Delay [0] [1s] [2s]...[99s] The UPS issues a “UPS on ba[...]

  • Page 39

    39 Operation | Table 7. Settings (continued) Description Default Setting Available Settings Reset Peak Consumption Watts [No] [Yes] If No, no action. If Yes, the Peak Consumption Watts value is cleared and the date and time stamp for this statistic is set to the current date and time. No Reset Cumulative Consumption kWh [No] [Yes] If No, no action.[...]

  • Page 40

    40 | 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. 3 Scroll through the listed events, notices, and alarms using either the button or the butto[...]

  • Page 41

    41 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. For example, during a power outage, you can keep key pieces of equipment running while y[...]

  • Page 42

    42 | 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 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 s[...]

  • Page 43

    43 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. If you selec[...]

  • Page 44

    44 | 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. You[...]

  • Page 45

    45 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. The automatic test runs approximately once every three months and does n[...]

  • Page 46

    46 | Additional UPS Features Additional UPS Features This chapter describes: S Communication ports (RS-232 and USB) S Dell Network Management Card S Network transient protector 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 communic[...]

  • Page 47

    47 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 external device In 4 Unused — 5 GND Signal common (tied to chassis) — 6 Unused — 7 Unused — 8 Unused — 9 Unused — *Unused pins must be left fre[...]

  • Page 48

    48 | Additional UPS Features Dell Network Management Card (Optional) The Dell Tower 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 secur[...]

  • Page 49

    49 Additional UPS Features | Network Transient Protector The network transient protector, shown in Figure 23, is located on the rear panel and has jacks labeled IN and OUT. This feature accommodates a single RJ‐45 (10BaseT) network connector. NOTE: DO NOT connect any telephone or fax/modem equipment (RJ-11) to the UPS. 1 Connect the input connect[...]

  • Page 50

    50 | 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. If the atmosphere is very dusty, clean the [...]

  • Page 51

    51 UPS Maintenance | Transporting the UPS NOTE: The internal UPS batteries MUST be disconnected before transportation. CAUTION: The following procedure should be performed or supervised by personnel knowledgeable about batteries and the required precautions. Keep unauthorized personnel away from batteries. If the UPS requires any type of transporta[...]

  • Page 52

    52 | UPS Maintenance 3 Unscrew the thumbscrew on the the metal battery cover and remove the cover (see Figure 25). Figure 25. Removing the Battery Cover 4 Disconnect the internal battery connector (see Figure 26). Figure 26. Disconnecting the Internal Battery Connector 5 Replace the metal battery cover. Torque the screw to 0.7 Nm (6.2 lb in). 6 Rep[...]

  • Page 53

    53 UPS Maintenance | 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. The batteries charge to 90% capacity in approximately 4 hours (8 hours for 500W models). However, it is recommended that the batteries charge for 48 hours after long-term storage. Ch[...]

  • Page 54

    54 | UPS Maintenance Updating the UPS Firmware To keep the UPS firmware updated with the latest improvements and benefits, visit www.dell.com for updates. You can download the latest firmware version and the instructions for installing it.[...]

  • Page 55

    55 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. Model List 100/120V Models 230V Models UPS Models 500T LV (H900N), 500W 1000T LV (K788N), 1000W 1920T LV (J716N), 1920W (1500W a[...]

  • Page 56

    56 | Specifications Table 12. Electrical Input 100/120V Models 230V Models Nominal Voltage 100/120V 230V Voltage Range 84–150V auto-sensing 160–286V auto-sensing Nominal Frequency 50/60 Hz auto-sensing, ± 3 Hz Efficiency (Normal mode) >95% Noise Filtering Full-time EMI/RFI filtering Connections 500W, 1000W: IEC 320-C14 input connector, 15A [...]

  • Page 57

    57 Specifications | Table 14. Environmental and Safety 100/120V Models 230V Models Operating Temperature Up to 1,500 meters: 0°C to 40°C (32°F to 104°F) Above 1,500 meters: 0°C to 35°C (32°F to 95°F) Transit/Storage Temperature -15°C to 60°C (5°F to 140°F) Relative Humidity 0–95% noncondensing Operating Altitude Up to 3,048 meters (0?[...]

  • Page 58

    58 | Specifications Table 15. Battery Configuration 500W: (2) 12V, 7 Ah internal batteries (no EBM) 1000W: (3) 12V, 9 Ah internal batteries; (6) 12V, 9 Ah EBM 1920/1500W: (6) 12V, 9 Ah internal batteries; (12) 12V, 9 Ah EBM Voltage 500W: 24 Vdc internal 1000W: 36 Vdc internal, 36 Vdc EBM 1920/1500W: 72 Vdc internal, 72 Vdc EBM Fuses 500W internal b[...]

  • Page 59

    59 Troubleshooting | Troubleshooting The Dell Tower 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 an[...]

  • Page 60

    60 | 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.” Events do not require a response. Notices and alarms are reco[...]

  • Page 61

    61 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 45 was not present. Resolve the condition, then restart the test. UPS on Battery (Notice 168) Intermittent Alarm [...]

  • Page 62

    62 | Troubleshooting Table 16. Typical Alarms and Conditions (continued) Alarm or Condition Action Possible Cause Input AC Over Voltage (Alarm 6) Intermittent Alarm Utility voltage exceeds the maximum operating range. The UPS transfers to Battery mode if supporting load. Input AC Under Voltage (Alarm 7) Intermittent Alarm Utility voltage is below t[...]

  • Page 63

    63 Troubleshooting | Table 16. Typical Alarms and Conditions (continued) Alarm or Condition Action Possible Cause Output Short Circuit (Alarm 58) Continuous Alarm The UPS has detected an abnormally low impedance placed on its output and considers it a short circuit. The UPS shuts down after five line cycles. Heatsink Over Temperature (Alarm 73) Con[...]