Dell 5600R manual

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  • Brand: Dell
  • Product: Uninterruptible power supply (UPS)
  • Model/name: 5600R
  • Filetype: PDF
  • Available languages: English

Table of Contents

Page: 0
Dellt Online Rack UPS
5600W
User's Guide
Dell 5600R OL HV-US, Dell 5600R OL HV
K812N
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: 1
Notes and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
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.; Greenlee is a registered trademark of Greenlee Textron;
National Electrical Code and NEC are registered trademarks of National Fire Protection Association, Inc.; Phillips is a registered trademark
of Phillips Screw Company.
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.
October 2009 • 164201888 1
Page: 2
3
Table of Contents |
Table of Contents
1 Introduction
Finding Information 8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Safety Warnings
3 Installation
Inspecting the Equipment 11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unpacking the Cabinet 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UPS Rear Panels 14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UPS Front Panel 15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rackmount Setup 16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the EBM 23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the UPS 23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing Remote Emergency Power-off 24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hardwiring the UPS Input 26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UPS Initial Startup 30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Operation
UPS Startup and Shutdown 31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting the UPS 31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting the UPS on Battery 32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UPS Shutdown 32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Panel Functions 33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing the Language 34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Display Functions 34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup Screen 34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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4 | Table of Contents
Screen Locked 35
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UPS Status 35
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Event Log 38
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Measurements 39
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Screens 40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification 41
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Settings 41
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transferring the UPS Between Modes 46
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transferring from Normal to Bypass Mode 46
. . . . . . . . . . . . . . . . . . . . . . . . . .
Transferring from Bypass to Normal Mode 46
. . . . . . . . . . . . . . . . . . . . . . . . . .
Retrieving the Event Log 46
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Behavior on Overload 47
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Load Segments 48
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controlling Load Segments Through the Display 48
. . . . . . . . . . . . . . . . . . . . .
Configuring Automatic Start Delay 49
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Automatic on Battery Shutdown 50
. . . . . . . . . . . . . . . . . . . . . . . .
Configuring Battery Settings 51
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring the UPS for an EBM 51
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Running Automatic Battery Tests 52
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Automatic Battery Tests 52
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Automatic Restart 52
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 Additional UPS Features
RS-232 and USB Communication Ports 53
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dell Network Management Card (Optional) 55
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dell UPS Management Software 56
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 UPS Maintenance
UPS and Battery Care 57
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transporting the UPS 57
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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5
Table of Contents |
Storing the UPS and Batteries 59
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When to Replace Batteries 59
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing Batteries 60
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Updating the UPS Firmware 60
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 Specifications
8 Troubleshooting
Accessing Alarms and Conditions 65
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UPS Status Menu 65
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Event Log Menu 66
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Typical Alarms and Conditions 66
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Silencing the Alarm 71
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page: 5
6 | Introduction
Introduction
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.
With the Dell Online Rack 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 Online Rack UPS.
Figure 1. The Dell Online Rack UPS
1
Page: 6
7
Introduction |
Providing outstanding performance and reliability, the UPS's unique benefits include:
S Online UPS design with pure sine wave output.
S True online double-conversion technology with high power density, utility frequency
independence, and generator compatibility.
S Buck and Boost voltage regulation that ensures regulated voltage to your load by correcting voltage
fluctuations.
S The UPS filters and regulates incoming AC power and provides consistent power to your
equipment without draining the battery.
S Selectable High Efficiency mode of operation.
S 4U size that fits any standard 48 cm (19”) rack.
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).
S Emergency shutdown control through the Remote Emergency Power-off (REPO) ports.
S Two standard communication ports (USB and RS-232 serial port).
S Optional Dell Network Management Card with enhanced communication capabilities for
increased power protection and control.
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.
Page: 7
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 and software updates can be
found at support.dell.com.
Dell UPS Disc
S Specifications
S How to configure UPS settings
S How to troubleshoot and solve problems
S How to install REPO control
Dell UPS User's Guide
The user's guide is available on the Dell UPS disc and
on support.dell.com.
S Safety instructions
S Regulatory information
S Recycling information
Safety, Environmental, and Regulatory Information
S Warranty information
S Terms and Conditions (U.S. only)
S End User License Agreement
Dell Warranty and Support Information
S Support information Dell Support Website — support.dell.com
NOTE: Select your region or business segment to view
the appropriate support site.
Page: 8
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 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: 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.
WARNING: Observe the following instructions to help prevent a potentially hazardous situation which, if not
avoided, could result in death or injury:
S Only qualified service personnel (such as a licensed electrician) shall perform the electrical
installation. Risk of electrical shock.
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 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).
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 58).
2
Page: 9
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 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 UPS may be connected to a maximum of one External Battery Module (EBM).
WARNING: Additional instructions for Rack-Mounted Systems
S Your rack kit has been approved only for the rack cabinet provided. It is your responsibility to
ensure that installation of the equipment into any other rack complies with all applicable
standards. Dell disclaims all liability and warranties with respect to combinations of equipment
with any other rack.
S Before installing your equipment in a rack, install all front and side stabilizers. Failure to install
stabilizers can allow the rack to tip over.
S Always load from the bottom up, and load the heaviest items first.
Page: 10
11
Safety Warnings |
S Do not overload the AC power supply branch circuit that provides power to the rack.
S Do not stand or step on any components in the rack.
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.
Page: 11
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 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. 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.
3
Page: 12
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).
CAUTION: The cabinet is heavy (see page 62). Use caution to unpack and move the cabinet.
Use care when moving and opening the carton. Leave the components packaged until ready to install.
To unpack the system:
1 Open the outer carton and remove the accessories packaged with the cabinet (see Figure 2).
Figure 2. Unpacking the Cabinet
Page: 13
14 | Installation
CAUTION: The cabinet is heavy (see page 62). Lifting the cabinets into the rack requires a minimum of two
people.
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 Discard or recycle the packaging in a responsible manner, or store it for future use.
Page: 14
15
Installation |
UPS Rear Panels
This section shows the rear panels of the Dell Online Rack models.
UPS
Communication
Bay Input Terminal
Block
USB Port
Four IEC 320-C19 Receptacles
(Load Segment 1)
REPO
Ports
RS-232
Port
Two NEMA L6-30R Receptacles
(Load Segment 2)
EBM
Connector
Output Circuit Breaker
Ground
Screw
Two Output Circuit Breakers
Figure 4. 5600W, 208V Rear Panel
Six IEC 320-C13
Receptacles
(Load Segment 2)
REPO
Ports
Four IEC 320-C19 Receptacles
(Load Segment 1)
EBM
Connector
Two Output Circuit Breakers
UPS
Communication
Bay
USB Port
RS-232
Port
Input Terminal
Block
Ground
Screw
Output Circuit
Breaker
Figure 5. 5600W, 230V Rear Panel
Page: 15
16 | Installation
UPS Front Panel
This section shows the front panel of the Dell Online Rack UPS.
On/Off Button LCD Panel
Scroll Button (Down or Forward)
Select Button
Scroll Button (Up or Back)
Figure 6. The Dell Online Rack UPS Front Panel
Page: 16
17
Installation |
Rackmount Setup
CAUTION: The cabinet is heavy (see page 62): 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.
NOTE: Mounting rails are required for each individual cabinet.
To install the UPS and optional EBM in a rack:
1 Remove the internal battery trays from the UPS:
Loosen the thumbscrew on the battery retaining bracket and remove the bracket (see Figure 7).
Figure 7. Removing the Battery Retaining Bracket
Page: 17
18 | Installation
Pull the battery trays out using the plastic tabs and remove the battery trays (see Figure 8).
Figure 8. Removing the Battery Trays
2 If installing additional UPSs, repeat Step 1 for each cabinet.
NOTE: The following instructions are the same for square-hole racks and unthreaded, round-hole racks. The
rails fit both rack styles. The square-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.
Locate the rails at the bottom of the 4U space allocated for the UPS (3U for the EBM).
4 Position the end of the left and right rails labeled FRONT facing inward.
Page: 18
19
Installation |
5 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 latch
locks in place (see Figure 9).
Pull the rail just past the front of the rack.
Push the front end of the rail until it fully seats on the vertical rack flange and the hook latch locks
in place.
Figure 9. Installing the Rails
Page: 19
20 | Installation
6 Slide the cabinet into the rack (see Figure 10). Repeat Steps 3 through 5 for any additional
cabinets.
Figure 10. Installing the Cabinet
7 Secure the front of the cabinet to the rack using the four thumbscrews on the mounting brackets
(see Figure 11). Tighten by hand; do not use power tools. Repeat for any additional cabinets.
Figure 11. Securing the Cabinet
Page: 20
21
Installation |
8 Install the UPS battery trays (see Figure 12).
Figure 12. Installing the Battery Trays
Page: 21
22 | Installation
9 Replace the battery retaining bracket (see Figure 13).
10 Tighten the thumbscrew.
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.
11 Connect each internal battery connectors and attach to the battery retaining bracket between the
studs.
Figure 13. Replacing the Battery Retaining Bracket and Connecting the Internal Battery Connectors
Page: 22
23
Installation |
12 Snap the UPS front cover into place (see Figure 14).
Figure 14. Installing the UPS Front Cover
Page: 23
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 Plug the EBM cable into the UPS battery connector (see Figure 15).
Figure 15. EBM Installation with 5600W OL UPS (208V)
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.
2 If your rack has conductors for grounding or bonding of ungrounded metal parts, connect the
ground cable (not supplied) to the ground bonding screw. See “UPS Rear Panels” on page 15 for
the location of the ground bonding screw for each model.
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.
Page: 24
25
Installation |
5 Make any necessary provisions for cord retention and strain relief.
NOTE: Verify that the total equipment ratings do not exceed the UPS capacity to prevent an overload alarm.
Installing Remote Emergency Power-off
REPO is used to shut down the UPS from a distance. For example, this feature can be used for shutting
down the load and the UPS by thermal relay, in the event of room overtemperature. When REPO is
activated, the UPS shuts down the output and all its power converters immediately. The UPS logic
power remains on to issue an alarm.
The REPO feature shuts down the protected equipment immediately and does not follow the orderly
shutdown procedure initiated by any power management software. Any devices that are operating on
battery power are also shut down immediately.
When the REPO switch is reset, the equipment will not return to utility or battery power until the UPS
is manually restarted.
The REPO contacts are normally open.
WARNING: The REPO circuit is an IEC 60950 safety extra low voltage (SELV) circuit. This circuit must be
separated from any hazardous voltage circuits by reinforced insulation.
CAUTION: The REPO must not be connected to any utility connected circuits. Reinforced insulation to the
utility is required. The REPO switch must have a minimum rating of 24 Vdc and 20 mA and be a dedicated
latching-type switch not tied into any other circuit. The REPO signal must remain active for at least 250 ms for
proper operation.
CAUTION: To ensure the UPS stops supplying power to the load during any mode of operation, the input
power must be disconnected from the UPS when the emergency power-off function is activated.
NOTE: For Europe, the emergency switch requirements are detailed in Harmonized document HD-384-48 S1,
“Electrical Installation of the Buildings, Part 4: Protection for Safety, Chapter 46: Isolation and Switching.”
REPO Connections
Wire Function Terminal Wire Size Rating Suggested Wire Size
REPO 4–0.32 mm2 (12–22 AWG) 0.82 mm2 (18 AWG)
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.
Page: 25
26 | Installation
Remove Jumper if
Installed
Figure 16. REPO Connector
To install the REPO switch:
1 Verify that the UPS is off and disconnected from utility power.
2 Remove the REPO connector from the accessory kit.
NOTE: Verify that there is no jumper installed in the REPO connector. If a jumper is installed, remove it before
connecting to the REPO port. See Figure 16.
3 Connect the REPO connector to the REPO port labeled “IN” on the UPS rear panel.
CAUTION: If you are daisy-chaining the REPO function, observe the following connection requirements to
avoid unintentional shutdown of the UPS:
S The left pin of the REPO port labeled “OUT” on the first UPS must be connected to the left pin of the REPO
port labeled “IN” on the second UPS.
S The right pin of the REPO port labeled “OUT” on the first UPS must be connected to the right pin of the REPO
port labeled “IN.” on the second UPS.
4 Optional. If you are daisy-chaining the REPO function with another UPS, you can shut down the
entire system using a single switch.
Connect the second REPO connector to the REPO port labeled “OUT.”
NOTE: A separate contact must simultaneously cause UPS input AC power to be removed.
5 Connect the switch or circuit to the REPO connector on the UPS rear panel using insulated
0.75 mm2–0.5 mm2 (18–20 AWG) wire.
6 Optional. If you are daisy-chaining the REPO function with another UPS, connect the REPO port
labeled “OUT” to the REPO port labeled “IN” on the next UPS.
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Installation |
Continue for each UPS. On the last UPS in the daisy-chain, connect a REPO connector (without a
jumper) in the REPO port labeled “OUT.”
7 Verify that the externally-connected REPO switch is not activated to enable power to the UPS
output receptacles.
8 For hardwired models, continue to the following section, “Hardwiring the UPS Input.” Otherwise,
continue to “UPS Initial Startup” on page 31.
Hardwiring the UPS Input
WARNING: Only qualified service personnel (such as a licensed electrician) shall perform the electrical
installation. Risk of electrical shock.
The Dell Online Rack hardwired models require a dedicated branch circuit that meets the following
requirements:
S The protection device requires a two-pole disconnection device between the UPS input and the
mains (see Figure 17)
S The breaker must be wall-mounted and be readily accessible to the operator
S For Europe, the breaker must meet the IEC/EN 60934 standard and have a contact air gap of at
least 3 mm
S 200–240 Vac
S Single-phase
- 5600W/208V model is phase-to-phase (can also be used on a split-phase 120/240 Vac input)
- 5600W/230V model is phase-to-neutral
S 50/60 Hz
S Flexible metal conduit (recommended for ease of service and maintenance)
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28 | Installation
AC Mains
Wall
2-Pole
Breaker
UPS
Line
Neutral/L2
Figure 17. Circuit Breaker Diagram
To hardwire the UPS input:
1 Switch off utility power at the distribution point where the UPS will be connected. Be absolutely
sure there is no power.
2 Remove the terminal block cover (four screws) and retain.
Figure 18. Removing the Terminal Block Cover
3 Punch a hole in the terminal block cover for the input conduit using a Greenlee® punch or similar
device. The hole accommodates 3/4” or 1” IMC conduit.
4 Pull the input wire through the conduit, leaving approximately 2 ft (0.5m) of exposed wire. Attach
a flexible metal fitting to the end of the conduit.
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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 from the end of each incoming wire.
CAUTION: If the UPS does not have an automatic protection device against current backfeed, Dell
recommends installing an external isolating device (see Figure 19). After the device is installed, you must add
a warning label with the following wording or the equivalent on the external AC contactor:
RISK OF VOLTAGE BACKFEED. Isolate the UPS before operating on this circuit, then check for hazardous
voltage between all terminals.
External Distribution Panel UPS
L/L1 L/L1
N/L2 N/L2
Legend
Coil Remote Switch
Magneto-Thermal Input Main Switch
AC Contactor ( see Table 1)
Neutral/L2
L1 Line Input
B
Q
T
N/L2
L/L1
B
Q T
Figure 19. Typical External Isolating Device Installation
The following table lists AC contactors that can be used as backfeed protection devices.
Table 1. Backfeed Protection Devices
Manufacturer Type Rating
Tianshui 213 Electrical Apparatus Co., Ltd.
(E203071)
GSC1(CJX4-d)-4011 220-240 Vac, 42 FLA
Moeller GMBH DILM(C)32-10 600 V, 40A
LS Industrial Systems Co., Ltd. (E108780) GMC(D)-32 600 Vac, 45A
Page: 29
30 | Installation
6 Connect the input and ground wires to the terminal block according to Figure 20 and Table 2.
Terminal Position
1 2 3
Figure 20. UPS Input Terminal Block
Table 2. UPS Wiring Specifications
Wire Function
Terminal
Position
UPS Wire Function
Terminal Wire
Size Rating*
Tightening Torque
Input 1 Input Ground
5.26–16 mm2
(10–6 AWG)
2.49 Nm (22 lb in)
2 L2/Neutral In
3 L1 In
* Use a minimum:
S 10 AWG for equipment grounding wire, 75_C copper wire minimum
S 8 AWG for input line and neutral wires, 75_C copper wire minimum
7 Replace the terminal block cover.
8 Continue to the following section, “UPS Initial Startup.”
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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 all load segment circuit breakers are in the ON position.
4 Switch the main utility breaker on.
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 .
5 Press the button on the UPS front panel.
After the startup is complete, the status icon changes to the appropriate icon based on the UPS
operating mode (see Table 4 on page 37).
6 On the UPS status control panel, 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.
7 Verify that the Normal icon appears on the UPS status summary screen, indicating that the
UPS is operating normally and any loads are powered (see Table 4 on page 37).
8 If an optional EBM is installed, see “Configuring the UPS for an EBM” on page 52.
9 To change other factory-set defaults, see “Operation” on page 32.
10 If you installed an optional REPO, test the REPO function:
Activate the external REPO switch. Verify the status change on the UPS display.
Deactivate the external REPO switch and restart the UPS.
NOTE: Dell recommends setting the date and time.
NOTE: At initial startup, the UPS sets system frequency according to input line frequency (input frequency
auto-sensing is enabled by default). After initial startup, auto-sensing is disabled until manually re-enabled by
output frequency setting.
NOTE: At initial startup, input voltage auto-sensing is enabled by default. After the subsequent startup,
auto-sensing is disabled until manually re-enabled by output voltage setting.
NOTE: The internal batteries charge to 90% capacity in less than 4 hours. However, Dell recommends that the
batteries charge for 48 hours after installation or long-term storage.
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32 | 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 the UPS Between Modes
S Behavior on overload
S Configuring load segments, battery settings, and automatic restart
UPS Startup and Shutdown
To start up or shut down the UPS, see:
S “Starting the UPS” on page 32
S “Starting the UPS on Battery” on page 33
S “UPS Shutdown” on page 33
Starting the UPS
To start the UPS:
1 Verify that the UPS is connected to utility power.
2 Switch on utility power where the UPS is connected.
The UPS front panel display illuminates. The Dell startup screen (see Figure 21 on page 34)
changes to the UPS status summary screen. The UPS front panel display shows the Standby mode
icon .
3 Press the button on the UPS front panel.
After the startup is complete, the status icon changes to the appropriate icon based on the UPS
operating mode (see Table 4 on page 37).
4
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Operation |
4 On the control panel, 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.
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 front panel until the UPS beeps.
The UPS front panel display illuminates, and the UPS begins the startup sequence.
The UPS cycles through Standby mode to Battery mode. The Battery mode icon displays on
the UPS status summary screen. The UPS supplies power to your equipment.
NOTE: The UPS does not assume the load if you press the button less than three seconds.
2 Press the button to check for active alarms or notices.
Ignore the “UPS on Battery” notice and notices that indicate missing utility power. Resolve other
active alarms before continuing. See “Troubleshooting” on page 66. After correcting the alarms,
restart if necessary.
You can prevent a battery start (requiring utility power at the next startup) by simultaneously pressing
the and buttons for three seconds. To disable the battery start, see the Start on Battery setting on
page 43.
UPS Shutdown
To shut down the UPS:
1 Press the button on the front panel for three seconds.
The UPS begins to beep. The UPS transfers to Standby mode.
NOTE: Releasing the button before three seconds returns the UPS to its original operating state.
2 Switch off utility power where the UPS is connected.
After utility power is removed, the UPS fully shuts down in ten seconds.
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34 | 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 21.
Figure 21. Dell Online Rack UPS Control Panel
There are three buttons on the control panel:
S Scroll up or back
S Select
S Scroll down or forward
Table 3 describes the functions of the LCD control buttons.
Table 3. Control Button Functions
Control Button Sequence Function
Press for less than one second Scroll back or up to the previous menu.
Press for longer than one
second
Return/exit back one menu layer without initiating a command
or changing a setting.
Press for less than one second Select the menu or option to be changed.
Press for longer than one
second
Save the setting being edited.
Press for less than one second Scroll forward or down to the next menu option.
Press both buttons for three
seconds
Temporarily disable the battery startup feature until the next
power cycle. The buzzer emits a one second beep to indicate
that Battery Start has been disabled.
Press all three buttons for five
seconds
Shortcut for defaulting the language back to English. The
buzzer emits a one second beep to indicate that the setting has
changed to English.
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Operation |
To select an option:
1 When scrolling through the settings, the present setting displays for each selection.
2 Press and release 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 pressing the button again for longer than one second.
The option stops flashing.
Changing the Language
Language selection is controlled through the user settings. See Table 7 page 42 for information on
available languages.
Display Functions
The UPS provides useful information about the UPS itself, load status, events, measurements,
identification, and settings through the front panel display.
Startup Screen
During startup, the Dell logo startup screen displays for five seconds and then defaults to the UPS
status summary screen.
The display automatically returns to the UPS status summary screen when no button has been pressed
for 15 minutes and no other screen has been locked by a user. When you return to the status summary
screen, press the button for longer than one second to exit back to the menu selections. Selecting
UPS Status from the main menu list lets you to scroll through all of the UPS status menu screens,
including the status summary screen.
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36 | 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 22.
Pushing any button returns the normal button function, unlocks the screen, and removes the lock
symbol.
Figure 22. A Locked Screen
Only screens that have dynamic, real-time data updates can be locked. Applicable screens include the
status summary screen, measurement screens, active alarms, and the battery status screen.
UPS Status
A UPS status summary screen replaces the startup screen after the UPS is powered on. The UPS status
summary screen displays until you press to go to the first of the main menu selections.
The UPS status provides separate screens for the following information:
S Status summary, including mode and load
S Notice or alarm status, if any are present
S Battery status, including state and charge level
See Table 4 for examples of the UPS status summary screens. The status icon in the upper right corner
of each status summary screen conveys the UPS status or mode.
Basic operating modes include:
S Normal mode
S Battery mode
S Bypass mode
S Standby mode
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Operation |
Table 4. Status Summary Screens
Status Summary Screen Description
UPS Critical Failure
The UPS is in Fault mode. The status icon and background of the icon 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 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. The status
icon and background of the icon are flashing. Battery mode is not available.
UPS in Overload Condition
The status icon and background of the icon are flashing.
Bad Battery Detected or Battery Disconnected
The status icon and background of the icon are flashing, along with the outer
shell of the battery symbol at the bottom.
UPS General Alarms Active
The status icon and background of the icon are flashing.
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38 | Operation
Table 4. Status Summary Screens (continued)
Status Summary Screen Description
Battery Test Status
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.
Standby Mode
When the UPS is turned off and remains connected to utility power, the UPS is
in Standby mode and utility power supplies the connected equipment. The UPS
is not supporting the load, but is ready to assume the load on command.
The notice and alarm screens are visible only when notices or alarms are active. There is a separate
screen for each active notice or alarm. If there are no active notices or alarms, a “No Active Alarms”
message appears in a single screen between the UPS status summary and the battery status screen. If
there are multiple notices or alarms, scroll through each notice or alarm screen to reach the first battery
status screen.
NOTE: Events are not shown in status summary screens. They appear only in the Event Log.
Table 5 describes the available battery status screens. Only one battery status is available at a time.
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39
Operation |
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.
Battery disconnected Batteries are unavailable because they are disconnected.
Charger disabled The charger is off. You can enable the Charger setting from the Settings menu
(see page 45).
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 depends 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 type of event and code. The event description begins on
the third row and may continue to the fourth row. The bottom right corner of the event screen displays
two numbers: an ordering number of the event in the log, followed by the total number of events in the
log.
If there are no events in the log, the event screen displays “No events in log.”
See “Retrieving the Event Log” on page 47.
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40 | 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 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)
S Present kWh Consumption (the kWh demand on the UPS averaged over the past hour)
S Cumulative kWh Consumption (the total kWh usage, includes the date and timestamp since it
was last reset)
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41
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. 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. The option then changes
to Go to Bypass.
Battery Test Schedule Battery Test: yes | Cancel Battery test: no
Starts a manual battery test.
See “Testing Batteries” on page 61.
Reset Error State Reset Alarms: yes | no
Manually clears any latched alarms, such as bad battery detected, overload, or DC
Bus OV/UV.
If a bad battery alarm was also active, reset the battery test status to “Not
Tested.”
Load Segments Load segment 1: on | off
Load segment 2: on | off
These on/off commands override automatic load segment on/off controls made by
the Automatic Start Delay and Automatic On Battery Shutdown settings. See
“Configuring Load Segments” on page 49.
Restore Factory Settings Restore Factory Settings: yes | no
Available only in Standby mode.
Restoring the factory settings:
S Returns all user-configurable EEPROM settings to default factory settings
S Resets all pending on/off commands
S Clears the Event Log and resets all time stamps
S Resets the battery test status
S Initiates the Self Diagnostics test
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42 | Operation
Identification
The identification screens display the following UPS information:
S Type and model
S Part number
S Serial number
S UPS firmware
S Comm 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 displays the options that can be changed by the user.
Table 7. Settings
Description Available Settings Default Setting
Change Language [English] [French] [German] [Spanish] [Japanese]
[Simplified Chinese] [Russian] [Korean]
[Traditional Chinese]
English
User Password [Enabled] [Disabled]
If Enabled, the default password is USER.
NOTE: If you enter an incorrect password, the
message “Wrong Password” appears. Press any
button to return to the password screen and retry
the password.
Disabled
Audible Alarms [Enabled] [Disabled]
NOTE: If you disable audible alarms, it takes effect
instantly and remains disabled, even after a power
cycle. This feature differs from the mute feature
where the horn is temporarily silenced on any
button press, but turns on again if a new alarm is
triggered.
Enabled
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43
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] [Disabled]
If Enabled, control commands are accepted through
the serial port, USB ports, or option card.
If Disabled, configuration and load control
commands are restricted to LCD only.
Enabled
Output Voltage [Auto-sensing] Auto-sensing
[200V] [208V]
[220V] [230V] [240V]
Output Frequency [50Hz] [60Hz] [Auto-sensing] Auto-sensing
Overload Alarm Level [10%] [20%] [30%]...[100%]
If 100%, the UPS issues an Output Overload alarm
at load > 100%.
NOTE: Output Overload Level 1 by default is set to
100% and is configurable from 10% to 100% in 10%
increments through the LCD setting menu. This
feature allows customers to be alerted before the
UPS has reached its rated capacity limits.
100%
Automatic Start Delay [Off] [0s] [1s] [2s]...[32767s]
See “Configuring Load Segments” on page 49.
LS1 0s
LS2 1s
Automatic on Battery Shutdown [Off] [0s] [1s] [2s]...[32767s]
See “Configuring Load Segments” on page 49.
Off
Start on Battery [Enabled] [Disabled]
NOTE: Battery start is disabled from the factory and
remains disabled until the UPS has been powered
from utility and enters Standby mode. After the
UPS has been started once from utility, the Start on
Battery feature is automatically enabled. If this is set
by the user, it remains set.
Enabled
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44 | 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 [0s] [1s] [2s]...[99s]
The UPS issues a “UPS on battery” notice in the
specified number of seconds after the UPS starts to
discharge the batteries.
0s
Site Wiring Fault Alarm [Enabled] [Disabled] Disabled for 208V
models; Enabled for
all others
Bypass Voltage Low Limit [-6%] [-7%]...[-20%] of nominal
The Bypass operation is disabled if the measured
bypass voltage level is below the nominal output
voltage (-15%).
NOTE: The Qualify Bypass setting may overrule the
Bypass Voltage Low Limit setting.
-15% of nominal
Bypass Voltage High Limit [+6%] [+7%]...[+20%] of nominal
The Bypass operation is disabled if the measured
bypass voltage level is above the nominal output
voltage (+10%).
NOTE: The Qualify Bypass setting may overrule the
Bypass Voltage High Limit setting.
+10% of nominal
Qualify Bypass [Always] [Never] [Bypass Disabled]
If Always, Bypass operation is allowed when:
S Bypass voltages > the value set for Bypass
Voltage Low Limit
S Bypass voltages < the value set for Bypass
Voltage High Limit
S Bypass frequency > (nominal frequency -3 Hz)
S Bypass frequency < (nominal frequency +3 Hz)
S Inverter is synchronized with Bypass when
unsynchronized transfers are disabled by the
value set for Unsynchronized Transfers
If Never, Bypass operation is always allowed; voltage
and frequency limits are not in use.
If Bypass Disabled, Bypass operation is prohibited.
Always
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45
Operation |
Table 7. Settings (continued)
Description Default Setting
Available Settings
Synchronization Window [Sync Disabled] [±0.5 Hz] [±1.0 Hz] [±1.5 Hz]
[±2.0 Hz] [±2.5 Hz] [±3.0 Hz]
If ±3.0 Hz, on inverter operation the inverter tries to
synchronize with the Bypass when the Bypass
frequency is not more than 3 Hz from the nominal
output frequency; otherwise, the inverter goes to
nominal frequency. On Bypass mode, the sync
window is always ±3 Hz.
NOTE: In Sync Disabled state, if the Bypass
operation is allowed, the UPS synchronizes only
when it is operating on Bypass mode.
±3.0 Hz
Unsynchronized Transfers [Enabled] [Disabled]
If Enabled, unsynchronized transfers to the Bypass
are allowed.
If Disabled, unsynchronized transfers to the Bypass
are not allowed.
NOTE: The Qualify Bypass setting may overrule the
Unsynchronized Transfers setting.
Enabled
External Battery Modules (EBMs) [0] [1]
See “Configuring the UPS for an EBM” on page 52.
0
Charger [Enabled] [Disabled]
If Enabled, batteries charge normally.
If Disabled, the battery charger is off.
Enabled
Battery Charge % to Restart [0%] [10%] [20%] [30%]...[100%]
When enabled, automatic restart is made when the
battery charge state reaches the selected level. If set
to 0%, the feature is disabled.
0%
Battery Low Alarm [Immediate] [2 min] [3 min] [5 min]
If you select a value, the battery low alarm triggers
when the set amount of backup time
(approximately) remains in the batteries.
3 min
Automatic Battery Tests [Enabled] [Disabled]
See “Running Automatic Battery Tests” on page 53.
Enabled
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46 | 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.
If Yes, the Cumulative Consumption kWh value is
cleared and the date and time stamp for this
statistic is set to the current date and time.
No
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.
No
Clear Event Log The number after “Total events” shows how
many events are currently stored in the log.
Press the button for longer one second
to reset the event count to zero and clear
the log.
—
LCD Contrast [-5], [-4], [-3], [-2], [-1], [+0], [+1], [+2], [+3],
[+4], [+5]
The LCD Contrast is adjustable from -5 to +5. This
range covers the maximum adjustment for
contrasting the background with the text in the
visual display of the control panel.
[+0]
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47
Operation |
Transferring the UPS Between Modes
Transferring between modes includes:
S Transferring from Normal to Bypass mode
S Transferring from Bypass to Normal mode
Transferring from Normal to Bypass Mode
To transfer from Normal to Bypass mode:
1 Press the button for longer than 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.
3 Select Go to Bypass.
The text on the screen changes to Manual Bypass Command Sent. The Bypass mode icon
flashes, indicating Bypass mode.
Transferring from Bypass to Normal Mode
To transfer from Bypass to Normal mode:
1 Press the button for longer than 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.
3 Select Go to Normal.
The text on the screen changes to Normal Command Sent. The Normal mode icon flashes,
indicating Normal mode.
Retrieving the Event Log
To retrieve the Event Log:
1 Press the button for longer than 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 button.
Page: 47
48 | Operation
Behavior on Overload
See Table 8 for an explanation of how the UPS responds to an overload condition.
Table 8. Behavior on Overload
Overload
Severity
Load Level On Utility Power
On Bypass
On Battery
Level 1 100% to 101% Overload alarm and
supports load
indefinitely
Overload alarm
and supports load
indefinitely
Overload alarm and supports
load until low battery
shutdown level is reached
Level 2 102% to 110% Transfers to Bypass
mode in 12 sec (±1 sec).
If Bypass mode is not
available, transfers to
Fault mode after 12 sec
(±1 sec).
Transfers to Fault
mode in 2 min
(±1 sec)
Transfers to Fault mode in
12 sec (±1 sec) or when low
battery shutdown level is
reached
Level 3 > 110% Transfers to Bypass
mode immediately. If
Bypass mode is not
available, transfers to
Fault mode after 300 ms
to 1 sec.
Transfers to Fault
mode in 300 ms
to 1 sec
Transfers to Fault mode in
300 ms to 1 sec
Page: 48
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. 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. See “UPS Rear Panels” on page 15
for the load segment locations.
To control the load segments with power management software, see your power management software
manual for details (refer to the Software CD or www.dell.com for the latest information).
Controlling Load Segments Through the Display
To control the load segments through the display:
1 Press the button for longer than 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.
3 Use the button to scroll to Load Segments.
4 Press the button.
The current setting for the option flashes when selected.
5 Select the desired load segment using the and buttons.
6 Set the desired load segment ON or OFF using the button.
7 Press the button for longer than one second to confirm.
8 Set the other load segment if applicable.
Page: 49
50 | Operation
Configuring Automatic Start Delay
You can configure a 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.
To set the restart delay times for each load segment:
1 Press the button for longer than one second to go to the main menu selection and scroll down to
the Settings menu using the button.
2 Press the button to enter the Settings menu.
3 Use the button to scroll to the Automatic Start Delay option and press the button.
The current setting for the option flashes when selected.
4 Set the restart delay for one load segment using the and buttons.
5 Press the button to confirm.
6 Set the restart delay for the other load segment if applicable.
7 Press the button to confirm.
NOTE: Load segment On/Off commands issued through the Control menu override the user settings for load
segments.
NOTE: There is an additional built-in one-second delay between closing load segment 1 and 2 when an On
command is issued for both segments at the same time.

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