Emerson SDU DC DIN Rail UPS Specification Sheet
Uninterruptible Power Systems
SDU DC Series
Instruction Manual
While every precaution has been taken to ensure accuracy and completeness in this
manual, SolaHD assumes no responsibility, and disclaims all liability for damages resulting
from use of this information or for any errors or omissions.
©2008 SolaHD. All rights reserved throughout the world. Specications are subject to
change without notice.
®SolaHD name and logo are registered trademarks of EGS Electrical Group, LLC. All
names referred to are trademarks or registered trademarks of their respective owners.
SDU DC Series Instruction Manual • ii
Table of Contents
1.0 Important Safety Instructions ...................................................................................................... 4–5
1.1 Safety Precautions ............................................................................................................................................ 4–5
1.2 Conditions of Use .................................................................................................................................................. 5
2.0 Warnings Dened ............................................................................................................................. 5
3.0 Introduction ....................................................................................................................................... 6
4.0 What’s Included ................................................................................................................................ 7
5.0 Battery Options ................................................................................................................................. 7
6.0 Optional Accessories ....................................................................................................................... 7
7.0 Installation Instructions ............................................................................................................. 8–11
7.1 Placement ............................................................................................................................................................. 8
7.2 DIN Rail Mounting ................................................................................................................................................. 8
7.3 Chassis Mounting ................................................................................................................................................. 8
7.4 SDU DC UPS with SDU 24-BAT Wiring Diagram ................................................................................................. 9
7.5 SDU DC UPS with SDU 24-BATEM Wiring Diagram .......................................................................................... 10
7.6 Connections ........................................................................................................................................................ 10
7.7 Charge the Battery .............................................................................................................................................. 10
7.8 Turn “ON” the UPS (Normal Mode) ..................................................................................................................... 11
7.9 Turn “ON” the UPS (Green Mode) ...................................................................................................................... 11
7.10 Remote ON/OFF ............................................................................................................................................... 11
8.0 Operating Instructions ............................................................................................................. 12–13
9.0 Alarms ............................................................................................................................................. 14
9.1 ON Battery .......................................................................................................................................................... 14
9.2 Low Battery ......................................................................................................................................................... 14
9.3 Overload ............................................................................................................................................................. 14
9.4 Alarm & LED Status Table ................................................................................................................................... 14
10.0 Replacing the Battery ............................................................................................................. 15–22
10.1 SDU 24-BAT Replacement Batteries ................................................................................................................ 15
10.2 SDU 24-BATEM Replacement Batteries ........................................................................................................... 15
10.3 SDU 24-BAT Battery Replacement Instructions ......................................................................................... 16–18
10.4 SDU 24-BATEM Battery Replacement Instructions .................................................................................... 19–22
11.0 Battery Backup Times .................................................................................................................. 23
11.1 SDU 10-24 with SDU 24-BAT ............................................................................................................................ 23
11.2 SDU 20-24 with SDU 24-BAT ............................................................................................................................ 23
11.3 SDU 10-24 with SDU 24-BATEM ...................................................................................................................... 23
11.4 SDU 20-24 with SDU 24-BATEM ...................................................................................................................... 23
12.0 Power Module Specications ...................................................................................................... 24
13.0 Battery Module Specications .................................................................................................... 25
14.0 Troubleshooting ........................................................................................................................... 26
15.0 Storage .......................................................................................................................................... 27
15.1 Storage Conditions ........................................................................................................................................... 27
15.2 Extended Storage ............................................................................................................................................. 27
16.0 Product Registration & Warranty ................................................................................................ 28
16.1 Product Registration ......................................................................................................................................... 28
16.2 Warranty Information ........................................................................................................................................ 28
SDU DC Series Instruction Manual • iii
1.0 Important Safety Instructions
This manual contains important safety instructions that should be followed during
the installation of the Uninterruptible Power System (UPS). Please read all safety,
installation, and operating instructions before attempting to install or operate the
UPS. Please adhere to all warnings on the unit and in this manual during installation and operation.
The UPS is designed for Industrial or Commercial use and can be installed and
operated by individuals without previous training.
1.1 Safety Precautions — Warnings
• To prevent the risk of re or electric shock, install the UPS in a temperature
and humidity controlled ventilated enclosure, free of conductive contaminants,
moisture, flammable liquids, gases, and corrosive substances.
• Operate the UPS only from a properly grounded (earthed) dc supply.
• To reduce the risk of electric shock, do not remove the cover. For service,
contact a qualied technician.
• The UPS contains its own energy source (batteries). The output terminals may
carry live voltage, even when the UPS is not connected to a dc source.
Although your UPS has been designed and manufactured to assure personal
safety, improper use can result in electrical shock or re. To ensure safety, please
observe the following rules:
• Turn OFF the UPS and disconnect the dc supply before cleaning. Do not use
liquid or aerosol cleaners. A dry cloth is recommended to remove dust from the
surface of your UPS.
• Do not install or operate the UPS in or near water.
• Do not place the UPS on an unstable cart, stand, or table.
• Do not place the UPS under direct sunlight or close to heat-emitting sources.
• To allow proper ventilation of the UPS, do not block or cover the top and bottom
sides of the unit.
• Never block or insert any objects into the ventilation holes or other openings of
the UPS. Keep all vents free of dust accumulation that could restrict airflow.
SDU DC Series Instruction Manual • 4
• Follow all warnings and instructions marked on the UPS. Do not attempt to
2.0 Warnings Dened
service the UPS, as it has no user-serviceable parts inside. Refer all repairs to
a qualied technician.
• Do not dispose of batteries in a re; they may explode.
• Do not open or damage the batteries. Released electrolyte is harmful to the skin
and eyes and may be toxic.
If your UPS demonstrates any of the following conditions, turn OFF the UPS,
disconnect the dc supply and contact your SolaHD representative or SolaHD
Technical Support at 1-800-377-4384.
• Liquid has been spilled on the UPS.
• The UPS does not operate in accordance with the instruction manual.
1.2 Conditions of Use
Your UPS provides conditioned power to connected equipment. The maximum
load must not exceed that shown on UPS rating label. If uncertain, contact your
SolaHD representative or SolaHD Technical Support at 1-800-377-4384.
Danger: Indicates an imminently hazardous situation
that, if not avoided, will result in death or serious injury.
This signal word is limited to the most extreme situations.
Warning: Indicates a potentially hazardous situation that,
if not avoided, could result in death or serious injury.
Caution: Indicates a potentially hazardous situation that,
if not avoided, may result in minor or moderate injury. It
may also be used to alert against unsafe practices.
SDU DC Series Instruction Manual • 5
3.0 Introduction
Congratulations on your choice of the SDU DC Uninterruptible Power System
(UPS). The SDU DC UPS is an advanced 24 V dc Uninterruptible Power System
that combines an industry leading design with a wide operational temperature
range and unique installation options.
The SDU DC UPS is a powerful microprocessor-controlled UPS which provides
protection from power interruptions. With an input voltage range of 22.5 to
30 V dc, the SDU DC UPS is the ideal power backup solution for your critical
connected loads.
NOTE: This equipment has been tested and found to comply with the limits for
a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in an
industrial installation. This equipment uses, generates and can radiate radio
frequency energy and, if not installed and used in accordance with the instruc-
tions, may cause harmful interference with radio communications. However, there
is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment OFF and ON, the user is encour-
aged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the UPS and the receiver.
• Connect the UPS into a circuit different from that which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
SDU DC Series Instruction Manual • 6
4.0 What’s Included
• SDU 10-24 or SDU 20-24
6.0 Optional Accessories
5.0 Battery Options
• Instruction manual
Two battery modules* are available:
• SDU 24-BAT: 24 V DIN rail/panel mount battery module (cable included)
NOTE: Up to 4 SDU 24-BAT battery modules can be connected to the UPS
• SDU 24-BATEM: 24 V external mount battery module (cable included)
NOTE: Only 1 SDU 24-BATEM can be connected to the UPS
*A combination of both modules cannot be used with the UPS
• SDU 24EXTBC6: 6 ft. battery module cable
• SDU 24-DB9: Interface kit to convert relay contact signals to DB9 signals
• SDU-PMBRK: Chassis mounting brackets to secure the UPS to the wall, back
of the panel, or enclosure
SDU DC Series Instruction Manual • 7
7.0 Installation Instructions
7.1 Placement
Install the power module and battery module in a protected area with adequate
airflow and free of excessive dust. Do not operate the UPS outdoors.
7.2 DIN Rail Mounting
1. Tilt the unit as illustrated above.
2. Put the unit onto the DIN rail.
3. Push the unit downward until it stops.
4. Push at the lower front edge to lock. Gently shake the unit to ensure that the
retainer has locked.
7.2.1 Removing the Unit from the DIN Rail
1. Push the button and swing the bottom up and out.
7.3 Chassis Mounting
Use the optional chassis mounting brackets (SDU-PMBRK). Please refer to the
installation instructions supplied with the chassis mounting brackets.
NOTE: If you will be shipping the UPS already mounted, we recommend using
the chassis mounting brackets (SDU-PMBRK) to secure the UPS.
SDU DC Series Instruction Manual • 8
7.4 SDU DC UPS with SDU 24-BAT Wiring Diagram
Power Supply
SDN 10-24-100C
O
A
L
S
22.5-28.5 Vdc
100-240V~3.5A 50/60 Hz
24Vdc / 10A
IND.CONT.EQ.
9HA0
BAT 2
Up to 4 SDU 24-BAT modules
can be connected in parallel with
the power modules SDU 10-24 or SDU 20-24
INPUT LOAD
ON/OFF/TEST
BATTERY FAULT
BATTERY MODE/
BATTERY CHARGE
INPUT POWER OK
Industrial DC UPS
SDU 10-24
OUTPUT DC
24V/35mA
REMOTE
ON/OFF
NC C NO
BATTERY FAULT
NC C NO
ON BATTERY
NC C NO
LOW BATTERY
24Vdc/10A
24Vdc/10A
IND.CONT.EQ.
3MCG
R
AC Source
SDU 24-DB9
DC Load
+
-
RS232-DB9
Battery Polarized Cable Assembly
BAT 2BAT 1
O
A
L
S
SDU 24-BAT
Industrial DC UPS
Battery Module
BAT 2BAT 1
O
A
L
S
SDU 24-BAT
Industrial DC UPS
Battery Module
1 2 3
3
1
AC/DC Power Supply
2
Power Module: SDU 10-24 or SDU 20-24
3
Battery Module: SDU 24-BAT
SDU DC Series Instruction Manual • 9
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