Lowell power UPS9A Series Guide

©2021 Lowell Manufacturing Co. UPS9A Series (X-Rev 8/13/20)
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UPS9A SERIES: Lead Acid Online UPS
Lowell Models: UPS9A-1000, UPS9A-1500, UPS9A-2000, UPS9A-3000
User & Installation Manual
power
TM

©2021 Lowell Manufacturing Co. UPS9A Series (X-Rev 8/13/20)
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Table of Contents
1. Important Safety Warning ................................................................................................................... 3
1-1. Transportation .......................................................................................................................... 3
1-2. Preparation .............................................................................................................................. 3
1-3. Installation ............................................................................................................................... 3
1-4. Operation ................................................................................................................................. 4
1-5. Maintenance, service and faults .............................................................................................. 4
2. Installation and setup .......................................................................................................................... 6
2-1. Rear panel view ........................................................................................................................ 6
2-2. Operating principle ................................................................................................................... 7
2-3. Install the UPS .......................................................................................................................... 8
2-4. Setup the UPS ......................................................................................................................... 10
2-5. Battery replacement .............................................................................................................. 14
2-6. Battery kit assembly ............................................................................................................... 15
3. Operations .......................................................................................................................................... 17
3-1. Button operation .................................................................................................................... 17
3-2. LCD panel ................................................................................................................................ 17
3-3. Audible alarm ......................................................................................................................... 19
3-4. LCD display wordings index .................................................................................................... 20
3-5. UPS setting ............................................................................................................................. 21
3-6. Operating mode description .................................................................................................. 26
3-7. Faults reference code ............................................................................................................. 27
3-8. Warning indicator ................................................................................................................... 27
4. Troubleshooting ................................................................................................................................. 28
5. Storage and Maintenance ................................................................................................................... 30
6. Specifications ...................................................................................................................................... 31
7. Obtaining Service ................................................................................................................................ 34
8. Limited Warranty ................................................................................................................................ 35

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1. Important Safety Warning
SAVE THESE INSTRUCTIONS - This manual contains important instructions that should be followed during installation
and maintenance of the UPS and batteries.
Please comply with all warnings and operating instructions in this manual strictly. Do not operate this unit before
reading through all safety information and operating instructions carefully.
1-1. Transportation
l Please transport the UPS system only in the original package to protect against shock and impact.
1-2. Preparation
l Condensation may occur if the UPS system is moved directly from cold to warm environment. The UPS
system must be absolutely dry before being installed. Please allow at least two hours for the UPS system
to acclimate to the environment.
l Do not install the UPS system near water or in moist environments.
l Do not install the UPS system where it would be exposed to direct sunlight or near heater.
l Do not block ventilation holes in the UPS housing.
1-3. Installation
l Do not connect appliances or devices which would overload the UPS system (e.g. laser printers) to the UPS
output sockets.
l Place cables in such a way that no one can step on or trip over them.
l Do not connect domestic appliances such as hair dryers to UPS output sockets.
l The UPS can be operated by any individuals with no previous experience.
l Connect the UPS system only to an earthed shockproof outlet which must be easily accessible and close to
the UPS system.
l Please use only VDE-tested, CE-marked (UL-marked for UPS9A models) mains cable (e.g. the mains cable
of your computer) to connect the UPS system to the building wiring outlet (shockproof outlet).
l Please use only VDE-tested, CE-marked (UL-marked for UPS9A models) power cables to connect the loads
to the UPS system.
l When installing the equipment, it should ensure that the sum of the leakage current of the UPS and the
connected devices does not exceed 3.5mA.
l Temperature Rating - Units are considered acceptable for use in a maximum ambient of 40°C (104°F).
l For Pluggable Equipment - The socket-outlet shall be installed near the equipment and shall be easily
accessible.
l CAUTION: The unit is heavy. Lifting the unit requires a minimum of two people.
l Batteries with minimum case flame rating V-2 are intended for use in a computer room as defined in the
Standard for the Protection of Information Technology Equipment, ANSI/NFAP 75. Batteries with case
flame rating HB are not intended for use in a computer room. (US installations only.)

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1-4. Operation
l Do not disconnect the mains cable on the UPS system or the building wiring outlet (shockproof socket
outlet) during operations since this would cancel the protective earthing of the UPS system and of all
connected loads.
l The UPS system features its own, internal current source (batteries). The UPS output sockets or output
terminals block may be electrically live even if the UPS system is not connected to the building wiring
outlet.
l In order to fully disconnect the UPS system, first press the OFF/Enter button to turn off the unit.
l Prevent fluids or other foreign objects from inside of the UPS system.
l The EPO and USB circuits are an IEC 60950-1 safety extra low voltage (SELV) circuit. This circuit must be
separated from any hazardous voltage circuits by reinforced insulation.
1-5. Maintenance, service and faults
l The UPS system operates with hazardous voltages. Repairs may be carried out only by qualified
maintenance personnel.
l Caution - risk of electric shock. Even after the unit is disconnected from the mains (building wiring outlet),
components inside the UPS system are still connected to the battery and electrically live and dangerous.
l Before carrying out any kind of service and/or maintenance, disconnect the batteries and verify that no
current is present and no hazardous voltage exists in the terminals of high capability capacitor such as
BUS-capacitors.
l To avoid electrical shock, turn off the unit and unplug it from the AC power source before servicing the
battery
l Only persons adequately familiar with batteries and with the required precautionary measures may
replace batteries and supervise operations. Unauthorized persons must be kept well away from the
batteries.
l Caution - risk of electric shock. The battery circuit is not isolated from the input voltage. Hazardous
voltages may occur between the battery terminals and the ground. Before touching, please verify that no
voltage is present!
l Caution - Do not dispose of batteries in a fire. The batteries may explode.
l Caution - Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It may
be toxic.
l A battery can may cause a risk of electrical shock and high short-circuit current. The following precautions
should be observed when working on batteries:
a) Remove watches, rings, or other metal objects.
b) Use tools with insulated handles.
c) Wear rubber gloves and boots.
d) Do not lay tools or metal parts on top of batteries.
e) Disconnect charging source prior to connecting or disconnecting battery terminals.
f) Determine if battery is inadvertently grounded. If inadvertently grounded, remove source from 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.

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l When changing batteries, install the same number and same type of batteries or battery packs.
l Please replace the fuse only with the same type and amperage in order to avoid fire hazards.
l Do not dismantle the UPS system.
l WARNING: This is a category C2 UPS product. In a residential environment, this product may cause radio
interference, in which case the user many be required to take additional measures. (only for CE models)
l 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 when the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
l WARNING: Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.

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2. Installation and setup
NOTE: Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. Please keep
the original package in a safe place for future use.
2-1. Rear panel view
UPS9A (2U) models:
1000/1500 Model 2000 Model
3000 Model
1. Programmable outlets: connect to non-critical loads.
2. Output receptacles: connect to mission-critical loads.
3. AC input
4. Network/Fax/Modem surge protection
5. USB communication port
6. RS-232 communication port
7. SNMP intelligent slot
8. Emergency power off function connector (EPO)
9. External battery connection
10. Output circuit breaker

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2-2. Operating principle
The operating principle of the UPS is shown as below
The UPS is composed of mains input, EMI/RFI filters, rectifier/PFC, inverter, battery charger, DC-to-DC converter,
battery, dynamic bypass and UPS output.
EMI/RFI
Filters
Battery
Charger
Battery
DC-to-DC
Converter
Inverter
Rectifier
/PFC
nput
I
Output
Dynamic
Bypass

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2-3. Install the UPS
This UPS can be either displayed on the desk or mounted in the 19” rack chassis. Please choose proper installation to
position this UPS.
UPS Rackmount Installation with 4-point Rail Kit
Step 1: Mount the 4-point rail kit to the rack. Use the (8) 10-32 screws provided to mount left and right support rails
(front and rear).
Step 2:
Attach the mounting brackets to the UPS. CAUTION—DO NOT use mounting brackets to lift the UPS; brackets
are only to secure it to the rack.
Step 3: Place UPS on the support rails and secure in place with front screws, allowing the horizontal rails to support
the weight of the UPS.

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UPS Tower Installation
Step 1 Step 2 Step 3
Tower Installation with battery pack
Step 1 Step 2

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2-4. Setup the UPS
Before installing the UPS, please read below to select proper location to install UPS.
1. UPS should be placed on the flat and clean surface. Place it in an area away from vibration, dust, humidity, high
temperature, flammable liquids, gas, corrosive and conductive contaminants. Install the UPS indoors in a clean
environment, where it is away from window and door. Maintain minimum clearance of 100mm in the bottom of
the UPS to avoid dust and high temperature.
2. Place UPS: It’s equipped with fan for cooling. Therefore, place the UPS in a well-ventilated area. It’s required to
maintain minimum clearance of 100mm in the front of the UPS and 300mm in the back and two sides of the UPS
for heat dissipation and easy-maintenance.
Step 1: External battery connection
For safety consideration, the UPS is shipped out from factory without connecting battery wires.
Before connecting to external batteries, it’s required to have the internal battery wire disconnected.
Follow the below steps to make external battery connection.
1. Turn off UPS and remove power plug from the mains.
2. Remove front panel and disconnect internal battery wire.
3. Remove the cover of the external battery connector by using a screwdriver.
4. Plug the battery cable into the external battery connector of the UPS and the battery pack(s).
Note: If you have multiple battery packs available, connect them serially. An example is shown in the diagram
below (connecting the second battery connector of the first battery pack to the first battery connector of the
second battery pack).

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5. Stabilize the connector to the UPS and the battery pack(s) by fixing screws as shown below diagram.
6. Connect internal battery connector and put the front panel back to the unit.
Step 2: UPS input connection
Plug the UPS into a two-pole, three-wire, grounded receptacle only. Avoid using extension cords.
l For UPS9A models: The power cord is attached to the UPS. The input plug is a NEMA 5-15P for 1000 and 1500
models, NEMA 5-20P for 2000 model and NEMA L5-30P for 3000 model. To reduce the risk of fire, connect only
to a circuit provided with (@) a maximum branch circuit overcurrent protection in accordance with the National
Electrical Code, ANSI/NFPA 70 and the Canadian Electrical Code, Part I, C22.1.
Model
(@)
UPS9A-1000
20A
UPS9A-1500
20A
UPS9A-2000
20A
UPS9A-3000
40A

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Step 3: UPS output connection
There are two kinds of outputs: programmable outlets and general outlets. Please connect non-critical devices to the
programmable outlets and critical devices to the general outlets. During power failure, you may extend the backup
time to critical devices by setting shorter backup time for non-critical devices.
Step 4: Communication connection
Communication port:
USB port RS-232 port Intelligent slot
d
To allow for unattended UPS shutdown/start-up and status monitoring, connect the communication cable one end to
the USB/RS-232 port and the other to the communication port of your PC. With the monitoring software installed,
you can schedule UPS shutdown/start-up and monitor UPS status through PC.
The UPS is equipped with intelligent slot perfect for either SNMP or AS400 card. When installing either SNMP or
AS400 card in the UPS, it will provide advanced communication and monitoring options.
Step 5: Network connection
Network/Fax/Phone surge port
Connect a single modem/phone/fax line into surge-protected “IN” outlet on the back panel of the UPS unit. Connect
from “OUT” outlet to the equipment with another modem/fax/phone line cable.
Step 6: Disable and enable EPO function
This UPS is equipped with EPO function. By default, the UPS is delivered from factory with Pin 1 and pin 2 closed (a
metal plate is connected to Pin 1 and Pin2) for UPS normal operation. To activate EPO function, remove two screws
on EPO port and metal plate will be removed.
Note: The EPO function logic can be set up via LCD setting. Please refer to program 16 in UPS setting for the details.
It’s in closed status for UPS
normal opera
tion
as default
.
To activate EPO
function, remove
these two screws.

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Step 7: Turn on the UPS
Press the ON/Mute button on the front panel for two seconds to power on the UPS.
Note: The battery charges fully during the first five hours of normal operation. Do not expect full battery run
capability during this initial charge period.
Step 8: Install software
For optimal computer system protection, install UPS monitoring software to fully configure UPS shutdown. Use
supplied RS-232 or USB communication cable to connect RS-232/USB port of UPS and RS-232/USB port of PC. Then,
follow below steps to install monitoring software.
1. Insert the included installation CD into CD-ROM drive and then follow the on-screen instructions to proceed
software installation. If no screen shows 1 minute after inserting the CD, please execute setup.exe file for
initiating software installation.
2. Follow the on-screen instructions to install the software.
3. When your computer restarts, the monitoring software will appear as an orange plug icon located in the system
tray, near the clock.

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2-5. Battery Replacement
When the icons of and are flashing in LCD display and alarm is sounding every 2 seconds, it’s time to replace
batteries. Contact your service representative to replace batteries.
Do not disconnect battery connectors under load. If you prefer to remove input power to change the batteries, press the
OFF button on the front panel for two seconds to power off the UPS and switch off utility power where the UPS is
connected.
NOTE 1: DO NOT DISCONNECT the batteries while the UPS is in Battery mode.
NOTE 2: A small amount of arcing may occur when connecting the internal batteries. This is normal condition and no harm
for personnel. Connect the cables quickly and firmly.
NOTE 3: This UPS is equipped with internal batteries and only service person can replace the batteries.
NOTE 4: Upon battery disconnection, equipment is not protected from power outages.
CAUTION!! Consider all warnings, cautions, and notes before replacing batteries.
panel
Step 4 Step 5 Step 6
Remove the top cover of battery
box and replace the inside
batteries.
After replacing the batteries, put
the battery box back to original
location and screw it tightly.
Re-connect the battery wires.
Step 7
Put the front panel back to the unit.

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2-6. Battery Kit Assembly
NOTICE: Please assemble battery kit first before installing it inside of UPS. Please select correct battery kit procedure
below to assemble it.
2-battery kit
Step 1: Remove adhesive tapes. Step 2: Connect all battery terminals by following
below chart.
Step 3: Put assembled battery packs on one Step 4: Cover the other side of plastic shell as side of
plastic shells. below chart. Then, battery kit is assembly well.
3-battery kit
Step 1: Remove adhesive tapes. Step 2: Connect all battery terminals by following
below chart.
Step 3: Put assembled battery packs on Step 4: Cover the other side of plastic shell as
Tapes
Tapes
Tapes

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one side of plastic shells as below chart. below chart. Then, battery kit is assembled well.
4-battery kit
Step 1: Remove adhesive tapes. Step 2: Connect all battery terminals by following
below chart.
Step 3: Put assembled battery packs on Step 4: Cover the other side of plastic shell as
one side of plastic shells. below chart. Then, battery kit is assembled well.
6-battery kit
Step 1: Remove adhesive tapes. Step 2: Connect all battery terminals by following below
chart.
Tapes
Tapes
Tapes
Tapes

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Step 3: Put assembled battery packs on one Step 4: Cover the other side of plastic shell as side of
plastic shells. below chart. Then battery kit is assembled well
3. Operations
3-1. Button operation
Button
Function
ON/Mute
Button
Ø Turn on the UPS: Press and hold ON/Mute button for at least 2 seconds to turn on the UPS.
Ø Mute the alarm: After the UPS is turned on in battery mode, press and hold this button for
at least 3 seconds to disable or enable the alarm system. But it’s not applied to the situations
when warnings or errors occur.
Ø Up key: Press this button to display previous selection in UPS setting mode.
Ø Switch to UPS self-test mode: Press ON/Mute buttons for 3 seconds to enter UPS self-testing
while in AC mode, ECO mode, or converter mode.
OFF/Enter
Button
Ø Turn off the UPS: Press and hold this button at least 2 seconds to turn off the UPS. UPS will
be in standby mode under power normal or transfer to Bypass mode if the Bypass enable
setting is set by pressing this button.
Ø Confirm selection key: Press this button to confirm selection in UPS setting mode.
Select
Button
Ø Switch LCD message: Press this button to change the LCD message for input voltage, input
frequency, input current, battery voltage, battery current, battery capacity, ambient
temperature, output voltage, output frequency, load current and load percent.
Ø Setting mode: Press and hold this button for 3 seconds to enter UPS setting mode when
Standby and Bypass mode.
Ø Down key: Press this button to display next selection in UPS setting mode.
ON/Mute
+ Select
Button
Ø Switch to bypass mode: When the main power is normal, press ON/Mute and Select buttons
simultaneously for 3 seconds. Then UPS will enter to bypass mode. This action will be
ineffective when the input voltage is out of acceptable range.
Ø Exit setting mode or return to the upper menu: When working in setting mode, press
ON/Mute and Select buttons simultaneously for 0.2 seconds to return to the upper menu. If
it’s already in top menu, press these two buttons at the same time to exit the setting mode.

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3-2. LCD Panel
Display
Function
Backup time information
Indicates the estimated backup time.
H: hours, M: minute, S: second.
Configuration and fault information
Indicates the configuration items, and the configuration items are listed in details in
section 3-5.
Indicates the warning and fault codes, and the codes are listed in details in section 3-7
and 3-8.
Mute operation
Indicates that the UPS alarm is disabled.
Input, Battery, Temperature, Output & Load information
Indicate the input voltage, input frequency, input current, battery voltage, battery current, battery
capacity, ambient temperature, output voltage, output frequency, load current and load percent.
k: kilo, W: watt, V: voltage, A: ampere, %: percent, ℃: centigrade degree, Hz: frequency
Load information
Indicates the load level by 0-24%, 25-49%, 50-74% and 75-100%.
Indicates overload.
Programmable outlets information
Indicates that programmable management outlets are working.
Mode operation information
Indicates the UPS connects to the mains.
Indicates the battery is working.
Indicates charging status
Indicates the bypass circuit is working.
Indicates the ECO mode is enabled.

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Indicates the AC to DC circuit is working.
PFC
Indicates the PFC circuit is working.
Indicates the inverter circuit is working.
CVCF
Indicates the UPS is working in converter mode.
Indicates the output is working.
Battery information
Indicates the battery level by 0-24%, 25-49%, 50-74%, and 75-100%.
Indicates low battery.
3-3. Audible alarm
Battery Mode
Sounding every 5 seconds
Low Battery
Sounding every 2 seconds
Overload
Sounding every second
Fault
Continuously sounding
Bypass Mode
Sounding every 10 seconds

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3-4. LCD display wordings index
Abbreviation
Display content
Meaning
ENA
Enable
DIS
Disable
ESC
Escape
HLS
High loss
LLS
Low loss
AO
Active open
AC
Active close
EAT
Estimated autonomy time
RAT
Running autonomy time
SD
Shutdown
OK
OK
ON
ON
BL
Battery Low
OL
Over Load
OI
Over input current
NC
Battery No Connect
OC
Over Charge
SF
Site wiring fault
EP
EPO
TP
Temperature
CH
Charger
BF
Battery Fault
BV
Bypass Out Range
FU
Bypass frequency unstable
BR
Battery Replace
EE
EEPROM error