Dell UPS 1920T User Manual
Dellt Tower UPS
500W, 1000W, and 1920/1500W
User's Guide
w w w . d e l l . c o m | s u p p o r t . d e l l . c o m
H900N, J715N, K788N, H914N, J716N, K789N
K806N, H965N
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 avoided, could result in death or
injury.
DANGER: A DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or
serious injury.
DANGER: Observe the following instruction to help prevent an imminently hazardous situation which, if not
avoided, will result in death or serious injury:
S This UPS contains LETHAL VOLTAGES. All repairs and service should be performed by
AUTHORIZED SERVICE PERSONNEL ONLY. There are NO USER SERVICEABLE PARTS
inside the UPS.
Information in this document is subject to change without notice.
E 2009 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc.; National Electrical Code and NEC are registered
trademarks of National Fire Protection Association, Inc.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their
products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
September 2009 S 164201786 4
Table of Contents
1 Introduction
Finding Information 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Safety Warnings
3 Installation
Inspecting the Equipment 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unpacking the System 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identifying the UPS Rear Panels 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identifying the UPS Front Panel 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting the UPS Internal Battery 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
External Battery Module Installation 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the UPS 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UPS Initial Startup 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Operation
UPS Startup and Shutdown 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting the UPS 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting the UPS on Battery 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UPS Shutdown 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Panel Functions 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing the Language 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Display Functions 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup Screen 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Screen Locked 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UPS Status 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Event Log 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Measurements 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Screens 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Settings 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Retrieving the Event Log 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Behavior on Overload 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Load Segments 41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controlling Load Segments Through the Display 41. . . . . . . . . . . . . . . . . . . . .
Configuring Automatic Start Delay 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Automatic on Battery Shutdown 43. . . . . . . . . . . . . . . . . . . . . . . .
Configuring Battery Settings 44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring the UPS for an EBM 44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Running Automatic Battery Tests 45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Automatic Battery Tests 45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Automatic Restart 45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 Additional UPS Features
RS-232 and USB Communication Ports 46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dell Network Management Card (Optional) 48. . . . . . . . . . . . . . . . . . . . . . . . .
Network Transient Protector 49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dell UPS Management Software 49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents
6 UPS Maintenance
UPS and Battery Care 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transporting the UPS 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storing the UPS and Batteries 53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When to Replace Batteries 53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing Batteries 53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Updating the UPS Firmware 54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 Specifications
8 Troubleshooting
Accessing Alarms and Conditions 59. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UPS Status Menu 59. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Event Log Menu 60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Typical Alarms and Conditions 60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Silencing the Alarm 63. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1
Introduction
The Dellt 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 potential to corrupt critical data, destroy unsaved work sessions, and damage
hardware — causing hours of lost productivity and expensive repairs.
With the Dell Tower UPS, you can safely eliminate the effects of power disturbances and guard the
integrity of your equipment. The UPS's flexibility to handle an array of network devices makes it the
perfect choice to protect your LANs, servers, workstations, and other electrical equipment.
Figure 1 shows the Dell Tower UPS.
Figure 1. The Dell Tower UPS
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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 by allowing the safe replacement of batteries without powering down the
UPS.
S Extended runtime with an optional External Battery Module (EBM) for 1000–1920W UPS models.
S Two standard communication ports (USB and DB-9 serial port).
S Optional Dell Network Management Card with enhanced communication capabilities for
increased power protection and control.
S Network transient protector that guards your network communications equipment from surges.
S Advanced power management with the Dell UPS Management Software for graceful shutdowns
and power monitoring.
S Sequential shutdown and load management through separate receptacle groups called load
segments.
S Firmware that is easily upgradable without a service call.
S Backed by worldwide agency approvals.
Introduction
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7
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
S The user's guide for the Dell Network Management
Card
S Dell UPS Management Software
Find It Here
Dell UPS Disc
NOTE: Documentation and software updates can be
found at
S Specifications
S How to configure UPS settings
S How to troubleshoot and solve problems
S Safety instructions
S Regulatory information
S Recycling information
S Warranty information
S Terms and Conditions (U.S. only)
S End User License Agreement
S Support information Dell Support Website — support.dell.com
Dell UPS User's Guide
The user's guide is available on the Dell UPS disc and
on support.dell.com.
Safety, Environmental, and Regulatory Information
Dell Warranty and Support Information
support.dell.com.
NOTE: Select your region or business segment to view
the appropriate support site.
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Introduction
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.
DANGER:
avoided, will result in death or serious injury:
S This UPS contains LETHAL VOLTAGES. All repairs and service should be performed by
AUTHORIZED SERVICE PERSONNEL ONLY. There are NO USER SERVICEABLE
PARTS inside the UPS.
WARNING:
avoided, could result in death or injury:
S This UPS contains its own energy source (batteries). The output receptacles may carry live voltage
even when the UPS is not connected to an AC supply.
S Do not remove or unplug the input cord when the UPS is turned on. This removes the safety
ground from the UPS and the equipment connected to the UPS.
S To reduce the risk of fire, connect only to a circuit provided with branch circuit overcurrent
protection with an ampere rating in accordance with the National Electrical Code
ANSI/NFPA 70 or your local electrical code:
UPS Output Power 120V 208V 230V
500W 15A — 15A
1000W 15A — 15A
1500W (at 100V)
1920W
Observe the following instruction to help prevent an imminently hazardous situation which, if not
Observe the following instructions to help prevent a potentially hazardous situation which, if not
®
(NEC®),
20A — 15A
S To reduce the risk of fire or electric shock, install this UPS in a temperature and humidity
controlled, indoor environment, free of conductive contaminants. Ambient temperature must not
exceed 40°C (104°F). Do not operate near water or excessive humidity (95% maximum).
Safety Warnings
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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
transporting (see page 51).
CAUTION:
avoided, may result in minor or moderate injury or in property damage incidents:
Observe the following instructions to help prevent a potentially hazardous situation which, if not
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.
S Batteries can present a risk of electrical shock or burn from high short-circuit current. The
following precautions should be observed: 1) Remove watches, rings, or other metal objects; 2) Use
tools with insulated handles; 3) Wear rubber gloves and boots; 4) Do not lay tools or metal parts on
top of batteries; 5) Disconnect the charging source prior to connecting or disconnecting battery
terminals.
S Determine if the battery is inadvertently grounded. If inadvertently grounded, remove the utility
source from the ground. Contact with any part of a grounded battery can result in electrical shock.
The likelihood of such shock can be reduced if such grounds are removed during installation and
maintenance (applicable to equipment and remote battery supplies not having a grounded supply
circuit).
S ELECTRIC ENERGY HAZARD. Do not attempt to alter any battery wiring or connectors.
Attempting to alter wiring can cause injury.
S Replace batteries with the same number and type of batteries as originally installed in the UPS.
S Proper disposal of batteries is required. Refer to your local codes for disposal requirements.
S Never dispose of batteries in a fire. Batteries may explode when exposed to flame.
S Do not open or mutilate the battery or batteries. Released electrolyte is harmful to the skin and
eyes and may be extremely toxic.
S The 1000W and 1920/1500W UPS may be connected to a maximum of one External Battery
Module (EBM).
S To avoid interference and flicker, it is recommended that CRT monitors be placed at least one foot
away from the UPS.
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Safety Warnings
3
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 materials
for the carrier or place of purchase and file a claim for shipping damage. If you discover damage after
acceptance, file a claim for concealed damage.
To file a claim for shipping damage or concealed damage: 1) File with the carrier within 15 days of
receipt of the equipment; 2) Send a copy of the damage claim within 15 days to your service
representative.
NOTE:
Check the battery recharge date on the shipping carton label. If the date has passed and the batteries
were never recharged, do not use the UPS. Contact your service representative.
Installation
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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 move the cabinet.
To unpack the system:
1 Unpack your system and identify each item (see Figure 2).
Place the cabinet in a protected area that has adequate airflow and is free of humidity, flammable
gas, and corrosion.
2 Discard or recycle the packaging in a responsible manner, or store it for future use.
Figure 2. Unpacking the System
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Installation
Identifying the UPS Rear Panels
This section shows the rear panels of the Dell Tower UPS models.
UPS Communication Bay
On/Off Button
Network Transient
Protector
IEC-C14 Input
Connector
Two 5‐15 Receptacles
(Load Segment 2)
Figure 3. 500W, 100/120V Rear Panel
On/Off Button
Network Transient
Protector
OUTPUT
125V~ 15A
UPS Communication Bay
Communication Port
USB Port
Four 5‐15 Receptacles
(Load Segment 1)
Communication Port
USB Port
IEC-C14 Input
Connector
Two IEC 320-C13 Receptacles
(Load Segment 2)
Figure 4. 500W, 230V Rear Panel
Four IEC 320-C13 Receptacles
(Load Segment 1)
Installation
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On/Off Button
UPS Communication Bay
Network Transient
Protector
EBM Connector
IEC-C14 Input
Connector
Figure 5. 1000W, 120V Rear Panel
On/Off Button
Network Transient
Protector
Communication Port
USB Port
Two 5-15 Receptacles
(Load Segment 2)
Six 5-15 Receptacles
(Load Segment 1)
UPS Communication Bay
Communication Port
USB Port
EBM Connector
IEC-C14 Input
Connector
Figure 6. 1000W, 230V Rear Panel
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Installation
Two IEC 320-C13 Receptacles
(Load Segment 2)
Six IEC 320-C13 Receptacles
(Load Segment 1)
On/Off Button
USB Port UPS Communication Bay
Communication Port
Network Transient Protector
EBM Connector
IEC-C20 Input
Connector
Figure 7. 1920W/120V, 1500W/100V Rear Panel
On/Off Button
EBM Connector
Two 5-15/5-20 Receptacles
(Load Segment 2)
Eight 5-15/5-20 Receptacles
(Load Segment 1)
USB Port UPS Communication Bay
Communication Port
Network Transient Protector
Two IEC 320-C13 Receptacles
(Load Segment 2)
IEC-C14 Input
Connector
Figure 8. 1920W, 230V Rear Panel
Eight IEC 320-C13 Receptacles
(Load Segment 1)
Installation
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15
Identifying the UPS Front Panel
LCD Panel
Scroll Button (Down or Forward)
Select Button
Scroll Button (Up or Back)
Cover Latch
Figure 9. The Dell Tower UPS
Cover Latch
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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 lift up to remove the cover
(see Figure 11).
Figure 11. Removing the Battery Cover
Installation
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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).
6 Replace the UPS front cover.
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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 EBM:
1 Remove the battery connector cover from the rear panel as shown in Figure 13. 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 13. Removing the Battery Connector Cover
Installation
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