ULB ULB-R210-480-240-IP User manual

INSTRUCTION MANUAL
210KW PORTABLE
RESISTIVE LOAD BANK
MODEL NO. ULB-R210-480-240-IP
Published by:
Universal Load Banks, LLC.
28200 Lakeview Drive
Wixom, MI 48393
Customer Service:
E-mail: [e-mail]
Website: www.universalloadbanks.com
Phone: [phone]
Date of Original: 2021 SEP
ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may
not possess, use, copy or disclose this document or any information in it for any purpose without express written permission.
Neither receipt from any source, nor possession of this document, constitutes such permission. Possession, use, copying or
disclosure by anyone without express written permission of ULB is not authorized and may result in criminal and/or civil liability.
U:\ILB\5_Technical Manual\210KW_REV_01 17-JUNE-2021.docx
Page 1 of 42

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use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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LIST OF EFFECTIVE PAGES
Insert latest changed pages and dispose of superseded pages in accordance with applicable
regulations. The total number of pages in this manual is approximately 42 consisting of the following:
Page No. Change Date
1 - 39 Original June 2018
1- 42 Original Sep 2021

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use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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ABBREVIATIONS AND ACRONYMS
The following is a list of abbreviations and acronyms used throughout this manual.
A Amperes (Amps)
AC Alternating current
AI Analog Input
AO Analog Output
CMM Component Maintenance Manual
DC Direct Current
Deg Degree
DI Digital Input
DMM Digital Multi meter
DO Digital Output
F Fahrenheit
F.S Full scale
Ft-lbs Foot pounds
GND Ground
HMI Human Machine Interface
Hz Hertz
In-lbs Inch pounds
KVA Kilovolt amps
KW Kilowatt
LCD Liquid Crystal Display
LED Light Emitting Diode
L-L Line to Line
L-N Line to Neutral
mA Milli ampere
MSDS Material Safety Data Sheet
mV Millivolt
NEC National Electric Code
NFPA National Fire Protection Association
OSHA Occupational Safety and Health Administration
UL Underwriters Laboratory
VAC Volts AC

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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Table of Contents
LIST OF EFFECTIVE PAGES 2
ABBREVIATIONS AND ACRONYMS 3
SAFETY POINTS 6
SAFETY PRECAUTIONS 6
KEEP AWAY FROM LIVE CIRCUITS 6
SHOCK HAZARD 6
DO NOT SERVICE OR ADJUST ALONE 6
SAFETY EARTH GROUND 6
CHEMICAL HAZARD 6
EMERGENCY AID 6
POTENTIALLY HAZARDOUS OPERATOR CONDITIONS 6
EMERGENCY SHUT-DOWN: 7
SAFETY SYMBOLS 8
INSPECTION AND UNPACKING 9
PRODUCT OVERVIEW 10
OPERATING INSTRUCTIONS 11
GENERAL 11
OPERATION 12
Load Power connection 12
Safeties 13
Load Element status 15
Power Data 16
History data for Power/Voltage/Ampere 17
LOAD PROFILE 18
FIGURE-7 LOAD PROFILE DEACTIVATE 19
SINGLE PHASE OPERATION 20
OPERATING MULTIPLE LOAD BANKS 24
Software set up 24
Physical connection 26
Powering up Master – Slave Load banks 27
DATA LOGGING 30
SHUT-DOWN 32
SAFETY AND SHUT-DOWN INDICATORS 32
MAINTENANCE 33
MAINTENANCE MODE 33
VOLTAGE/CURRENT SETTINGS 34
LOAD BANK SETTINGS 35
DAILY MAINTENANCE PRIOR TO OPERATION 36
QUARTERLY MAINTENANCE (EVERY THREE MONTHS) 36
ADDITIONAL PREVENTATIVE MAINTENANCE MEASURES (AS REQUIRED) 38
TROUBLESHOOTING 39
STORAGE 41
SHIPPING 41

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use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
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CUSTOMER SERVICE 41
CONTACT INFORMATION 41
APPENDIX A: ELECTRICAL SCHEMATICS 42
APPENDIX B: BILL OF MATERIAL: 42
APPENDIX C: DIMENSIONAL DRAWINGS 42

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use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
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permission of ULB is not authorized and may result in criminal and/or civil liability.
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Safety Points
Safety Precautions
The following instructions are general safety precautions that are not necessarily related to any
specific part or procedure and do not necessarily appear elsewhere in this publication. These
precautions must be thoroughly understood and applied to all phases of operation and maintenance.
This manual contains various Warning and Caution statements. Personal injury or death may occur
to an operator and/or technician if a warning statement is ignored. Equipment damage or hazardous
conditions for personnel could result if caution or warning statements are ignored. Carefully read and
review this instruction manual, supplemental manuals and all electrical schematic/interconnection
drawings provided with the Load Bank prior to installation and operation.
Keep Away From Live Circuits
Operating and Maintenance personnel must at all times observe normal safety regulations. Do not
replace components or make adjustments to equipment with power turned on. To avoid casualties,
always remove power to the entire system. Turn off and disconnect the main-power source under test.
Disconnect all sources of power to the Load Bank (Main input load bus, cooling fans circuit and 120
VAC control circuits).
Shock Hazard
Load Banks contain lethal voltages when connected to the power source. Power to the load resistors
(main input load bus), power to cooling fan circuits and power to 120 VAC control circuits must be
removed before servicing. Allow adequate time after removing power before servicing or touching any
components.
Do Not Service or Adjust Alone
Under no circumstances should any person reach into an enclosure for the purpose of service or
adjustment of equipment except in the presence of someone who is capable of rendering aid.
Safety Earth Ground
An uninterruptible and approved earth ground must be supplied from the main power source. Serious
injury or death can occur if this grounding is not properly supplied. Grounding of this equipment should
be done by qualified personnel only and must be installed in accordance with all applicable national
and local electrical codes and regulations.
Chemical Hazard
No chemicals are included in the manufacturing or operation of this unit. There are no chemical
hazards to consider.
Emergency Aid
Personnel working with or near high voltages should be familiar with modern methods of resuscitation.
Potentially Hazardous Operator Conditions
 Read this manual prior to operation.
 Always run an approved ground conductor from the load bank frame to the power source under
test which in turn must be properly earth grounded.

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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Do not operate the unit unattended. Access to an approved electrical fire extinguisher should
be on hand at all times.
Do not operate the Load Bank with access panels removed or doors open. Doing so would
expose personnel to potential injury from electrical shock or from a moving fan blade.
Careful consideration needs to be taken during installation and equipment location during
operation.
Hot exhaust air can cause damage to other installed equipment.
Do not direct hot exhaust air in the direction of other installed equipment?
Do not allow hot-air exhaust to recirculate through the cold-air intake.
Do not allow objects to enter or block the cold-air intake or hot-air exhaust.
Avoid blocking the air intake and ensure the area around the load bank is clear of debris.
Do not install any external cold-air intake or hot-air exhaust duct work to the Load Bank for
ventilation.
The Load Bank must be installed and operated in a cool, well ventilated area with adequate
clearance for both intake and exhaust air. Do not allow hot air exhaust to recirculate into the
cold-air intake.
The load bank must be positioned to allow for a 4 foot intake clearance as well as a 20 foot
exhaust clearance.
The unit should always be operated outdoors in a clean, cool, well-ventilated area free of dust
and debris.
Exhaust opening should not be obstructed and consideration should be given to any
combustibles around the unit due to hot air exhaust.
The Load Bank must be positioned and installed to allow for a 4 Foot intake clearance as well
as a 20 Foot exhaust clearance, avoid blocking the air intake and ensure the area around the
load bank is clear of debris
Operating personnel should avoid and never come in contact with the hot-air exhaust and/or
surrounding covers during operation and for some-time after operation as these surfaces
become hot and may result in a serious burn injury.
Never bypass any blown fuse.
Do not bypass any safety circuit including but not limited to; Current Sense, cooling fan fault,
exhaust over-temperature switch.
Always short/shunt current transformer secondary circuits when troubleshooting metering and
instrumentation circuits.
Operating personnel should not come in contact with hot air exhaust opening, outside panels,
system components and load resistors for some time after operation.
A recommended 5 minute cool down period of the cooling fans circuit, with no load applied is
recommended as best practice and will protect operating personnel from possible burn injuries.
A 5 minute cool down should adequately remove any residual heat from the Load Bank and
system components.
Emergency Shut-Down:
In a controlled emergency stop condition, click <LOAD DROP> button on display allowing cooling fan
to run while all load steps are disconnected. Turn off and disconnect the main-power source under
test. Disconnect all sources of power to the Load Bank (Main input load bus) and External 120 VAC
control power.
Maintenance should always be done only by qualified personnel and with all sources of power
disconnected from the unit (main input Cam-lok power, External power to all cooling fan and
control circuits). Always follow The National Electric Code (NEC), local electrical safety codes
and the Occupational Safety and Health Act (OSHA) when handling, installing and operating
equipment to reduce hazards, personal injury and property damage.

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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Safety Symbols
WARNING
Warning notes call attention to a procedure, which if not correctly performed could result in personal
injury.
CAUTION
Caution notes call attention to a procedure, which if not correctly performed could result in damage to
the unit. This symbol indicates that a shock hazard exists if the precautions in the instruction manual
are not followed. The caution symbol appears on the equipment indicating there is important
information in the instruction manual regarding that particular area. This symbol indicates that the unit
radiates heat and should not be touched while hot.
NOTE: Calls attention to supplemental information.
Warning Statements
The following safety warnings appear in the text where there is danger to operating personnel. They
are noted and repeated here for emphasis.
WARNING
Disconnect unit from all power sources before any disassembly or service. Main input Cam-lok Power
& External 120 VAC control power.
WARNING
Do not insert a screw driver or any thin metal objects through the perforated cooling air grilles while
the load bank is in operation. The fan blade and power within the unit could cause serious injury to
personnel and damage to the unit.
WARNING
Do not remove the enclosure covers while unit is in operation or operate with covers removed. Unit will
not properly cool without all covers in place and pose a shock hazard to personnel.
WARNING
Do not touch the enclosure surfaces while the unit is in operation. Enclosure surfaces are hot and
exhaust temperatures can reach in excess of 500ºF when unit is under load and in operation.
WARNING
Do not look into enclosure while in operation. Exhaust temperatures can reach temperatures in excess
of 500ºF when unit is under load and in operation. Dust and or debris may also be present.
WARNING
Do not position the exhaust to blow on other equipment or material susceptible to excessive heat.
Never direct exhaust air towards flammable materials.
Caution Statements
The following equipment cautions appear in the text whenever the equipment is in danger of damage.
They are noted and repeated here for emphasis.
CAUTION
Air enters through the right side cold-air intake of the unit and exhausts at the left side hot-air exhaust
of the enclosure. Blocking these openings will cause overheating and unit failure.

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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CAUTION
Do not apply more than the rated Voltage or exceed the power rating of the Load Bank. Excessive
power will damage the internal resistor banks.
CAUTION
Confirm all control voltages before operation. Improper Voltage or Over-Voltage will damage load
resistors, Cooling Fans and control components.
CAUTION
Confirm that all load and control connections are securely attached, turned and tightened and that the
unit is properly grounded prior to operation. Failure to do so may result in equipment damage and
harm to personnel.
Inspection and Unpacking
As part of your safety program an initial inspection of all equipment should occur after receiving the
unit. Periodic preventative maintenance and inspections should be performed to ensure system
reliability. Upon receipt of your Load Bank be sure to carefully unpack the unit and inspect the unit
carefully for any shipping damage. Check for loose, broken or otherwise damaged parts due to
shipping. If damage is noticed, do not unpack the unit. Immediately notify ULB LLC and report any
shipping damage to the freight carrier. Be sure to verify that the part number and ratings listed on the
nameplate match the order specification. The ratings listed on the nameplate are critical –
installing, operating and energizing the incorrect part number could damage the unit and load
resistors.
If the unit is not damaged, unpack the equipment and remove protective stretch wrap. Remove all
covers and inspect all of the components for visual signs of damage. Immediately notify the freight
carrier and ULB LLC of equipment damage or missing parts. Reinstall packing materials for storage
with exception of stretch wrap. Do not store the unit with the protective plastic in place.
NOTE: Do not reinstall or reapply protective stretch wrap. This material is meant for shipping
protection only. Prolonged storage in stretch wrap may cause condensation damage to powder coat,
painted or mill galvanized finishes.

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use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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Product Overview
ULB-R210-480-240-IP Series of portable indoor Resistive Load Banks are designed for installation
and operations indoors. The Load Bank is an industrial power test unit specifically designed for indoor
operation and will absorb a balanced resistive load at unity power factor. A hand held Operator Control
Unit with HMI Display allows the user to control and monitor individual-discrete load steps, cooling
fans, control circuits and safety circuits. Electrical energy from the power source under test is
absorbed by the load bank resistors and converted into heat. The installed cooling fans provide
necessary cooling airflow to cool the resistor load elements. The Load Bank Unit and hand held
control unit provide the necessary principle system components for control and operation.
ULB-R210-480-240-IP Series of portable indoor Resistive Load Banks are digitally controlled with
networking capabilities. The unit is operated by a hand held touch screen controller which is
connected to load bank by a supplied control cable assembly.
The load bank is portable unit with casters and handles, hence it can be easily moved to the testing
place. Power connections plug in to Cam-Lok Connectors provided on the load bank. Use included
power cord to connect 120VAC, 60Hz power from 15A outlet plug to load bank’s Control and cooling
fan power circuits.
 Load Circuits: Includes load power resistors, load step switching and main input Cam-lok
Power.
 Cooling System: Includes 120VAC externally powered cooling fans installed inside load
bank. PLC controller monitors health status of cooling fans and failure of cooling fans is
indicated on HMI display. Any connected load is automatically disconnected when cooling fan
failure is detected.
 Control Circuits: Includes 120 VAC controls, load application circuits, cooling fans circuits,
and hand held display unit.
 Safety Circuits: This load bank is provided with automatic protection to de-energize the load
elements if un-safe conditions arise on following signals. Also branch circuit protection for load
power resistor circuits, cooling fans & control circuits are provided.
1) Over voltage and voltage imbalance on 3 phase 480/240VAC input power
2) 3 phase 480/240VAC input power is not within safe limit of operation.
3) Over temperature on exhaust air outlet.
4) 3 Phase (480/240VAC) current imbalance due to failure in load element / circuit component
inside load bank or external 3 phase power voltage (480/240VAC) are imbalance.
5) Fan Fault due to failure of cooling fan(s) inside the load bank.
The Load Bank should never be used without the cooling fans operating. Inadequate cooling
airflow will result in resistor load elements overheating, fire hazard and danger to personnel.

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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Operating Instructions
General
 All installation should be reviewed and checked by a qualified technician with all local and
National Electric codes observed.
 Ensure all connections are properly tightened and all covers are installed.
 Never operate the unit un-attended.
 All wiring from external power sources to Load Bank Unit should be verified and checked by a
qualified technician with all local and National Electric codes observed.
 All interconnection wiring of Operator Control Unit and Load Bank should be verified and
checked by a qualified technician with all local and National Electric Codes observed.
The following Cautions and Warnings should be strictly enforced:
WARNING
Operation of the unit with any covers removed will pose a shock hazard and danger to personnel.
WARNING
Do not look into the exhaust of the enclosure while in operation. Exhaust temperatures can reach
temperatures in excess of 500ºF when unit is under load and in operation. Dust and or debris may also
be present.
WARNING
Do not touch the enclosure surfaces while the unit is in operation. Enclosure surfaces are hot and
exhaust temperatures can reach in excess of 500ºF when unit is under load and in operation.
WARNING
 Exhaust opening should not be obstructed and consideration should be given to any
combustibles around the unit due to hot air exhaust.
 The Load Bank must be positioned and installed to allow for a 4 Foot intake clearance as well
as a 20 Foot exhaust clearance, avoid blocking the air intake and ensure the area around the
load bank is clear of debris
WARNING
Do not insert a screwdriver or any thin metal objects through the perforated cooling air grilles while the
load is in operation. The power within the unit could arc over and will cause serious injury to personnel
and damage to the unit.
WARNING
Do not operate under load without cooling fans in motion. Immediate equipment damage may result.

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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Operation
Load Power connection
Connect the power source under test to CAM-LOK connectors provided on the load bank
using suitable mating CAM-LOK plugs and cables sized per the NEC (National Electric Code)
or any local codes.
The Load Bank is provided with color coded qty.02 CAM-LOK connectors (400A Max/EA.) for
each phase (L1/L2/L3) and One Connector for Ground Cable connection.
Load cable conductors from the power source to the load bank and mating CAM-LOK cable
plugs should be adequately sized and protected to handle the maximum rated load and in
accordance to the National Electric Code and any local codes.-Turn on the power source
under test.
 Connect external 120VAC, 1-Phase, 50/60Hz, 10A Power Source using supplied cord with
plug to the load bank.
 HMI Display (E1A) on hand held unit will turn on.
 Use main screen on HMI display as shown below to set require KW. (see figure-1)
Figure-1 Main Screen.
 Use HMI display touch screen to set require KW. Minimum KW resolution that can be
selected is 5KW. Set desired time duration in Hours (HR.) and Minutes (MIN.) for which
selected KW is to be applied.

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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 Click <LOAD APPLY> button on Main Screen. This action will start cooling fan and the
preselected amount of load KW will be applied to the power source under test
 Any available combination of incremental KW load values can be turned ON/OFF
during operation to achieve the desired load on the power source under test.
 Also, When set time duration is over, load will automatically disconnect and cooling fan
will continue to run for pre-set cooling time of 5 minutes (OR as set in the Maintenance
screen).
Safeties
Any alarm condition existing in the load bank is indicated by LOAD BANK ‘SAFETY NOT OK’
indication on the top right corner of the main screen on HMI. To investigate safety NOT OK status,
click <SAFETY> button on Main screen to see following screen (see figure-2)
Figure-2 Safety Parameters

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
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Following table show various alarm conditions and their settings (see table-1)
Sr no Alarm Conditions Settings Note
1 Over voltage at 480VAC 510VAC Settable in fault setting
screen in Maint. Mode
2 Over voltage at 240VAC 255VAC Settable in fault setting
screen in Maint. Mode
3 3 PH Current Imbalance at 480VAC 5 AMP Settable in fault setting
screen in Maint. Mode
4 3 PH Current Imbalance at 240VAC 10 AMP Settable in fault setting
screen in Maint. Mode
5 Over Temperature High Exhaust
Temperature in Heater
element section
6 Fan Fault 4.71 amp Set over dial on
E503A CSR current
switch
7 3 PH Voltage Imbalance at
240/480VAC
15V Settable in fault setting
screen in Maint. Mode
Table-1
All load steps are disabled and load cannot be applied unless all above parameters are in OK
status (Green Color).
Click <RESET> button to reset alarm condition(s).
Click <MAIN SCREEN> button to go back to main screen.
Click <Load Elements Status> to view ON/OFF status of various load elements
Note: Ensure and check external Power of cooling fans and direction of airflow form cold-air
intake to hot-air exhaust. If airflow is exhausted from cold-air intake, shut down the unit,
disconnect all sources of load power, cooling fan power and control power.
CAUTION
DO NOT operate the Load Bank over rated nameplate Voltage as this will cause catastrophic failure.
The operation of the cooling fans circuit is critical for safe operation. If over-temp status is NOT OK
then, all load steps are disabled and load cannot be applied.
DO NOT attempt to bypass the over temperature switch as this will cause catastrophic damage to the
unit.

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
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Load Element status
Click<LOAD ELEMENT STATUS> button and following resistive load status screen will
appear (see figure-3)
Figure-3 Load Elements ON/OFF status

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use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
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Power Data
While load test is running following activities can be done from various screens on HMI.
1) Power data display: Click <POWER DATA> button on main screen and following power data
screen will appear(See figure-4)
Figure-4 Power Meter Data

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
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History data for Power/Voltage/Ampere
Click <HISTORY DATA> button on Power Data Screen and history data screen showing past
history of Wattage. (See figure-5)
Figure-5 History Data
Click <Main Screen> button to switch back to Main Screen.
Note:
If USB stick is inserted on USB port on the HMI display then “SCREEN CAPTURE” button will appear
on various screens.
Click <SCREEN CAPTURE> button to copy screen image to USB Stick.
WARNING
While Load bank is running (with load applied condition) setting Load Dump Switch to ON (upward)
position will cut off all applied load. However, cooling fan will continue to run until pre-set cooling time
is over.
A recommended 5 minute cool down period of the cooling fans circuit, with no load applied, should
adequately remove any residual heat from the Load Bank and system components.
WARNING
Click <Load Drop> button any time will cut of all applied load. However, cooling fan will continue to run
until pre-set cooling time is over.

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
U:\ILB\5_Technical Manual\ULB-R210-480-240-IP\ULB-R210 MANUAL_rev01.docx Page 18 of 42
Load Profile
Using this feature, load bank can be configured to operate at various load condition for
predetermined time. Following are the steps to configure load profile.
1) While load bank is not running, click <Load Profile> button on main screen, following
screen will appear(see figure-6)
Figure-6 Load Profile Activate
2) Select no. of load steps from 1 to 10 using drop down menu. Screen will start showing
entry fields for Hours, minutes and KW values depending on number of steps selected
in drop down menu. Following is the example screen if number of steps selected are
10
3) Enter require Hr., Min, and KW values for each step and click <ACTIVATE> button.
a. Now Load bank will start operating with Hr., Min. and KW values selected for
step#1. This will be indicated by flashing of step 1 entry fields.
b. ACTIVATE button will now change to DEACTIVATE meaning load profile run of
load bank can be deactivated and hence applied load can be disconnected
anytime by click on this button.(see figure-7)

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
U:\ILB\5_Technical Manual\ULB-R210-480-240-IP\ULB-R210 MANUAL_rev01.docx Page 19 of 42
Figure-7 Load Profile Deactivate
c. Click <BACK> button to display main screen.
d. Flashing <LOAD PROFILE> button on main screen indicates that load bank is
operating with activated load profile.
Note: Following buttons / entries on main screen are disabled when load profile is active,
i. KW SELECT entry
ii. Load Increase button,
iii. Load Decrease button,
iv. LOAD APPLY button,
v. HR. entry,
vi. MIN. entry,
e. Load bank will continue to operate at KW values, Hr and Min selected for
step#1, then after step#2 will be activated and load bank will operate at the
values selected for step#2.This will be indicated by flashing values under that
step.
f. In this way, load bank will continue to operate until the last step is reached.
Then after the entire load will be disconnected. However, cooling fan will
continue to run until pre-set cooling time is over.
WARNING
Click <Load Drop> button any time will cut of all applied load and deactivate LOAD PROFILE.
However, cooling fan will continue to run until pre-set cooling time is over.

ULB PROPRIETARY RIGHTS NOTICE - This document contains the confidential and proprietary information of ULB. You may not possess,
use, copy or disclose this document or any information in it for any purpose without express written permission. Neither receipt from any source,
nor possession of this document, constitutes such permission. Possession, use, copying or disclosure by anyone without express written
permission of ULB is not authorized and may result in criminal and/or civil liability.
U:\ILB\5_Technical Manual\ULB-R210-480-240-IP\ULB-R210 MANUAL_rev01.docx Page 20 of 42
Single Phase Operation
Connect the power source under test to CAM-LOK connectors provided on the load bank
using suitable mating CAM-LOK plugs and cables sized per the NEC (National Electric Code)
or any local codes.
The Load Bank is provided with color coded qty.02 CAM-LOK connectors (400A Max. /each)
for each phase (L1/L2/L3) and One Connector for Ground Cable connection.
Connect CAM-LOK plugs to the Phase (L1) Black, Phase (L3) Blue and put jumper between
Phases (Red L2-Blue L3) as shown below figure-8
Connect external 120VAC, 1-Phase, 50/60Hz, 10A Power Source using supplied cord with
plug to the load bank.
Figure.8 Single Phase Connection
 HMI Display (E1A) on hand held unit will turn on.
 Use main screen on HMI display to set require KW. (see figure-9)