L.B. White Oval-U 100 Manual

Attention
The Oval-U 100 heater has been
designed, tested, and evaluated
by the L. B. White Company as a
radiant tube heater according to
the requirements of standard IAS
U.S. Requirements 8-94. The tube
heater is designed specically for
the intended use of heating poultry
connement buildings. CHECK
WITH YOUR LOCAL FIRE
SAFETY AUTHORITY, YOUR
LOCAL FUEL GAS SUPPLIER,
OR THE L.B. WHITE COMPA-
NY IF YOU HAVE QUESTIONS
REGARDING APPLICATIONS.
www.lbwhite.com
SCAN THIS
with your smartphone or
visit http://goo.gl/yyKxJo to
view maintenance videos
for L.B.White heaters.
WORLD PROVIDER - INNOVATIVE HEATING SOLUTIONS
411 Mason Street, Onalaska, WI 54650 • 800-345-7200 • 608-783-5691 • 608-783-6115 (fax) • www.lbwhite.com
Congratulations!
You have purchased the nest radiant tube heater available for
the heating of poultry connement buildings.
Your new L.B. White radiant heater incorporates the benets
from the most experienced manufacturer of heating products
using state-of-the-art technology.
We, at L.B. White, thank you for your condence in our products
and welcome any suggestions or comments you may have...call
us toll free at [phone].
Propane Vapor Withdrawal
or Natural Gas
Oval-U 100
Radiant Tube
UT100 100,000 Btuh
Owner’s Manual and Instructions
View this manual online at www.lbwhite.com
* Requires an app like QR Droid
for Android or for iPhone
SEE ASSEMBLY
INSTRUCTIONS
INSIDE
Please refer to important
elevation information on
inside cover.

Oval-U 100 Radiant Tube Heaters
www.lbwhite.com
Owner’s Manual • Oval-U 100 Radiant Tube Heaters
2
TABLE OF CONTENTS
Heater Specications......................................................................................................4
General Information........................................................................................................5
Safe Clearance From Combustibles...............................................................................5
Safety Precautions .........................................................................................................6
Inlet Air Requirements ....................................................................................................8
General Installation Instructions ...................................................................................10
Hanging the Tubes .......................................................................................................11
Sediment Trap Assembly..............................................................................................13
Manual Shut Off Valve, Hose & Regulator Assembly...................................................13
Heater Controls ............................................................................................................13
Start-Up Instructions.....................................................................................................14
Shut-Down Instructions ................................................................................................14
Cleaning Instructions....................................................................................................15
Maintenance Instructions..............................................................................................15
General Service Instructions ........................................................................................16
Troubleshooting Information.........................................................................................22
Electrical Connection and Ladder Diagram..................................................................26
Service Parts Identication...........................................................................................28
Warranty Policy.............................................................................................................32
WARNING
Standard products are manufactured to operate at optimum efciency at
elevations between 0 and 2000 ft. above sea level.
If operated at higher elevations the product will not function correctly and may
function in an unsafe nature. Products providing proper operation for alternate
elevations may be available.
If you require a high elevation product, did not specify when ordering, and/or
the box this unit came in does not have an alternate altitude designation
sticker please contact technical support.

Oval-U 100 Radiant Tube Heaters
Owner’s Manual • Oval-U 100 Radiant Tube Heaters
3
WARNING
FIRE, BURN, INHALATION, AND
EXPLOSION HAZARD
■ KEEP SOLID COMBUSTIBLES A SAFE DIS-
TANCE AWAY FROM THE HEATER.
■ SOLID COMBUSTIBLES INCLUDE WOOD,
PAPER PRODUCTS, FEATHERS, STRAW AND
DUST.
■ DO NOT USE THE HEATER IN SPACES WHICH
CONTAIN OR MAY CONTAIN VOLATILE OR
AIRBORNE COMBUSTIBLES.
■ VOLATILE OR AIRBORNE COMBUSTIBLES
INCLUDE PIT GASES, GASOLINE, SOLVENTS,
PAINT THINNER, DUST PARTICLES OR UN-
KNOWN CHEMICALS.
■ FAILURE TO FOLLOW THESE INSTRUCTIONS
MAY RESULT IN A FIRE OR EXPLOSION.
■ FIRE OR EXPLOSIONS CAN LEAD TO
PROPERTY DAMAGE, PERSONAL INJURY OR
DEATH.
FOR YOUR SAFETY
If you smell gas:
1. Open windows.
2. Don’t touch electrical switches.
3. Extinguish any open ame.
4. Immediately call your gas supplier.
FOR YOUR SAFETY
Do not store or use gasoline or other am-
mable vapors and liquids in the vicinity of this
or any other appliance.
GENERAL HAZARD WARNING
■ FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH
THIS HEATER CAN RESULT IN:
— DEATH
— SERIOUS BODILY INJURY OR BURNS
— PROPERTY DAMAGE OR LOSS FROM FIRE OR EXPLOSION
— ASPHYXIATION DUE TO LACK OF ADEQUATE AIR SUPPLY OR CARBON MONOXIDE
POISONING
— ELECTRICAL SHOCK
■ READ THIS OWNER’S MANUAL BEFORE INSTALLING OR USING THIS PRODUCT.
■ ONLY PERSONS WHO CAN READ, UNDERSTAND, AND FOLLOW THE INSTRUCTIONS
SHOULD USE OR SERVICE THIS HEATER.
■ SAVE THIS OWNER’S MANUAL FOR FUTURE USE AND REFERENCE.
■ OWNER’S MANUALS AND REPLACEMENT LABELS ARE AVAILABLE AT NO CHARGE. SEE
WEBSITE, OR FOR ASSISTANCE, CONTACT L.B. WHITE AT 1-800-345-7200.
WARNING
■ PROPER GAS SUPPLY PRESSURE MUST BE PROVIDED TO THE INLET OF THE HEATER.
■ REFER TO DATA PLATE FOR PROPER GAS SUPPLY PRESSURE.
■ GAS PRESSURE IN EXCESS OF THE MAXIMUM INLET PRESSURE SPECIFIED AT THE
HEATER INLET CAN CAUSE FIRES OR EXPLOSIONS.
■ FIRES OR EXPLOSIONS CAN LEAD TO SERIOUS INJURY, DEATH, OR BUILDING
DAMAGE.
■ GAS PRESSURE BELOW THE MINIMUM INLET PRESSURE SPECIFIED AT THE HEATER INLET
MAY CAUSE IMPROPER COMBUSTION.
■ IMPROPER COMBUSTION CAN LEAD TO ASPHYXIATION OR CARBON MONOXIDE POISON-
ING AND THEREFORE SERIOUS INJURY OR DEATH.
WARNING
FIRE AND EXPLOSION HAZARD
■ NOT FOR HOME OR RECREATIONAL VEHICLE USE.
■ INSTALLATION OF THIS HEATER IN A HOME OR RECREATIONAL VEHICLE MAY RESULT IN A
FIRE OR EXPLOSION.
■ FIRE OR EXPLOSIONS CAN CAUSE PROPERTY DAMAGE OR LOSS OF LIFE.
WARNING
Cancer and reproductive harm.
See www.P65Warnings.ca.gov.

Oval-U 100 Radiant Tube Heaters
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Owner’s Manual • Oval-U 100 Radiant Tube Heaters
4
Specifications
UT100
Maximum Input per Hour BTU/H 100,000
Fuel Consumption per Hour (Max.) LPG (lbs.) 4.6
NG (cu. ft.) 100
Gas supply pressure acceptacle
for the purpose of input adjustment
(in.W.C.)
MAX. LPG
13.5
NG
MIN. LPG 11.0
NG 7.0
Burner manifold pressure (in.W.C.) LPG 10.0
NG 4.0
Ventilation air required to support
combustion 140 CFM
Motor Characteristics 1/30 H.P., 3020 RPM, CW Rotation
Electrical supply (Volts/Hz/Phase) 120/60/1
Amp draw Starting 1.16
Continuous
Operation
1.02
Minimum safe distances of heater
from nearest combustible materials
(ft.) See Fig. 1 on page 5.
Top 0.5
Sides 3.0
Discharge End 3.0
Below radiant tubes 6.0
Temperature
sensor location
See Fig. 7 on page 13 of the
owner’s manual.

Oval-U 100 Radiant Tube Heaters
Owner’s Manual • Oval-U 100 Radiant Tube Heaters
5
SCALE 1 : 4
This owner’s manual includes all options and ac-
cessories commonly used on or with this heater.
However, depending on the conguration purchased,
some options and accessories may not be included.
When calling for technical service assistance, or for
other specic information, always have the model
number and serial number available.
This manual will instruct you in the operation and
care of your radiant heater. Have your qualied
installer review this manual with you so that you fully
understand the heater and how it functions.
The gas supply line installation, and the repair, instal-
lation and servicing of the heater requires continuing
General Information
Safe Clearance from Combustibles
expert training and knowledge of gas heaters and
should not be attempted by anyone who is not so
qualied. See page 7 for denition of the necessary
qualications.
Contact your local L. B. White distributor or the L.B.
White Co., LLC for assistance, or if you have any
questions about the use of the heater or its applica-
tion.
The L.B. White Co., LLC has a policy of continuous
product improvement. It reserves the right to change
specications and design without notice.
FIG. 1
3 FT. 3 FT.
6 FT.
3 FT.
0.5 FT.

Oval-U 100 Radiant Tube Heaters
www.lbwhite.com
Owner’s Manual • Oval-U 100 Radiant Tube Heaters
6
Propane gas and natural gas have man-made odor-
ants added specically for detection of fuel gas leaks.
If a gas leak occurs, you should be able to smell the
fuel gas .
THAT’S YOUR SIGNAL TO GO INTO IMMEDIATE
ACTION!
■ Do not take any action that could ignite the fuel
gas. Do not operate any electrical switches. Do not
pull any power supply or extension cords. Do not
light matches or any other source of ame. Do not
use your telephone.
■ Get everyone out of the building and away from the
area immediately.
■ Close all propane gas tank or cylinder fuel supply
valves, or the main fuel supply valve located at the
meter if you use natural gas.
■ Propane gas is heavier than air and may settle in
low areas. When you have reason to suspect a
propane leak, keep out of all low areas.
■ Use your neighbor’s phone and call your fuel gas-
supplier and your re department. Do not re-enter
the building or area.
■ Stay out of the building and away from the area
until declared safe by the reghters and your fuel
gas supplier.
■ FINALLY, let the fuel gas service person and the
reghters check for escaped gas. Have them
air out the building and area before you return.
Properly trained service people must repair the
leak, check for further leakages, and then relight
the appliance for you.
■ Some people cannot smell well. Some people
cannot smell the odor of the man-made chemi-
cal added to propane or natural gas. You must
determine if you can smell the odorant in these
fuel gases.
■ Learn to recognize the odor of propane gas and
natural gas. Local propane gas dealers and your
local natural gas supplier (utility) will be more than
happy to give you a “scratch and sniff” pamphlet.
Use it to become familiar with the fuel gas odor.
■ Smoking can decrease your ability to smell. Being
around an odor for a period of time can affect your
sensitivity to that particular odor. Odors present in
animal connement buildings can mask fuel gas
odor.
■ The odorant in propane gas and natural gas is col-
orless and the intensity of its odor can fade under
some circumstances.
■ If there is an underground leak, the movement of
gas through the soil can lter the odorant.
■ Propane gas odor may differ in intensity at different
levels. Since propane gas is heavier than air, there
may be more odor at lower levels.
■ Always be sensitive to the slightest gas odor. If you
continue to detect any gas odor, no matter how
small, treat it as a serious leak. Immediately go into
action as discussed previously.
Fuel Gas Odor
Safety Precautions
Odor Fading - No
Odor Detected
WARNING
Asphyxiation Hazard
■ Do not use this radiant heater for heating human living quarters.
■ Do not use in unventilated areas.
■ The ow of combustion and ventilation air must not be obstructed.
■ Proper ventilation air must be provided to support the combustion air requirements of the heater
being used.
■ Refer to the specication section of the Owner’s Manual, heater’s dataplate, or contact the LB
White Company to determine combustion air ventilation requirements of the heater.
■ Lack of proper ventilation air will lead to improper combustion.
■ Improper combustion can lead to carbon monoxide poisoning in humans leading to serious injury
or death. Symptoms of carbon monoxide poisoning can include headaches, dizziness and difculty
in breathing.
■ Symptoms of improper combustion affecting livestock can be disease, lower feed conversion,
or death.

Oval-U 100 Radiant Tube Heaters
Owner’s Manual • Oval-U 100 Radiant Tube Heaters
7
■ Propane gas and natural gas have a distinctive
odor. Learn to recognize these odors. (Reference
“Fuel Gas Odor” and “Odor Fading” sections
above.
■ If you have not been properly trained in repair and
service of propane gas and natural gas fueled
heaters, then do not attempt to light the heater, per-
form service or repairs, or make any adjustments
to the heater on a propane (LP) gas or natural gas
fuel system.
■ Even if you are not properly trained in the service
and repair of radiant heaters, ALWAYS be con-
sciously aware of the odors of propane gas and
natural gas.
■ A periodic “sniff test” around the heater or at the
heater’s joints; i.e. hose, connections, etc., is a
good safety practice under any conditions. If you
smell even a small amount of gas, CONTACT
YOUR FUEL GAS SUPPLIER IMMEDIATELY.
DO NOT WAIT!
1. Do not attempt to install, repair or service this
heater or the gas supply line unless you have
continuing expert training and knowledge of gas
heaters.
QUALIFICATIONS FOR SERVICING AND
INSTALLATION:
a. To be a qualied gas heater service person, you
must have been trained in gas-red heater servic-
ing, repair and also have sufcient experience to
allow you to troubleshoot, replace defective parts,
and test heaters in order to get them into a continu-
ing safe and normal operation condition. You must
completely familiarize yourself with each model
heater by reading and complying with the safety
instructions, labels, owner’s manual, etc. that is
provided with each heater.
b. To be a qualied gas installation person, you must
have sufcient training and experience to handle
all aspects of installing, repairing and altering gas
lines, including selecting and installing the proper
equipment, and selecting proper pipe size to be
used. This must be done in accordance with all
local, state and national codes as well as the
manufacturer’s requirements.
2. All installations and applications of L.B. White heat-
ers must meet all relevant local, state and national
codes. Included are L.P. gas, electrical, and safety
codes. Your local fuel gas supplier, a local licensed
electrician, the local re department or similar
government agencies, or your insurance agent can
help you determine code requirements.
-- ANSI/NFPA 58, latest edition, Standard for Storage
and Handling of Liqueed Petroleum Gas and/or
-- ANSI Z223.1/NFPA 54, National Fuel Gas Code
-- ANSI/NFPA 70, National Electrical Code.
3. For indoor installation only in agricultural poultry
connement buildings. Not for use in residential
dwellings.
4. Do not move, handle, or service heater while in
operation or connected to a power or fuel supply.
5. This heater may be installed in areas subject to
washdown. This heater may only be washed on the
external components. See Cleaning Instructions.
Do not wash the interior of the burner box or the
tubes. Use only compressed air, soft brush or dry
cloth to clean the interior of the heater and it’s com-
ponents. After external washdown, do not operate
this heater until it is completely dry. In any event,
do not operate the heater for at least one hour after
external washdown.
6. For safety, this heater is equipped with an dif-
ferential air pressure switch. Never operate this
heater if this safety device has been bypassed. Do
not operate this heater unless this feature is fully
functioning.
7. The heater is designed to operate only with its
burner access door closed and latched. Do not
operate the heater with its burner box access door
open.
8. Do not block air intakes or discharge outlets of the
heater. Doing so may cause improper combus-
tion or damage to heater components leading to
property damage or animal loss.
Attention - Critical
Points to Remember!

Oval-U 100 Radiant Tube Heaters
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Owner’s Manual • Oval-U 100 Radiant Tube Heaters
8
Inlet Air Requirements
This heater requires clean, fresh air from a normal, atmo-
spheric pressure environment for proper operation and
combustion. Contact L.B.White Company if you have any
questions regarding the installation of this heater.
Inlet air may be drawn from the attic or through side walls
under a protective eve. See Figs. 2 and 3.
-- All inlet air seams and joints must be sealed
-- Do not use any lters on the air inlet system
-- The air inlet system must be kept as
straight as possible. No more than 1 - 90º
bend is allowed.
-- Contact L.B.White Co. if you have any questions
regarding the installation of the heater.
Inlet air for combustion MUST NOT be drawn from:
■ Inside the connement room.
■ An attic or location where negative pressure (vacuum)
affects the air draw of the heater’s fan. Examples
include, but are not limited to:
a. Houses with attic soft vent area smaller than ridge
cap vent area
b. Heater air inlet located within 20 ft. of building
ventilation fans
c. Locations where wind and/or the elements can cre-
ate a negative pressure.
9. The hose assembly shall be visually inspected on
an annual basis. If it is evident there is excessive
abrasion or wear, or if the hose is cut, it must be
replaced prior to the heater being put into opera-
tion. The hose assembly shall be protected from
animals, and contact with hot surfaces during use.
The replacement hose assembly shall be that
specied by the manufacturer. See parts list.
10. Check for gas leaks and proper function upon
heater installation and before building repopula-
tion.
11. This heater should be inspected for proper
operation by a qualied service person at least
annually.
12. Always turn off the gas supply to the heater
when not in use.
13. This heater is equipped with a three-prong
(grounding) plug for your protection against
shock hazard and must be plugged directly into
a properly grounded three-prong receptacle.
Failure to use a properly grounded receptacle
can result in electrical shock, personal injury, or
death.
14. Direct ignition heaters will make up to three trials
for ignition. If ignition is not achieved, the control
system will lock out the gas control valve. If gas
is smelled after system lock out has occurred,
immediately close all fuel supply valves. Do not
relight until you are sure that all gas that may
have accumulated has cleared away. In any
event, do not relight for at least 5 minutes.
15. Use only approved gas hose or approved exible
connectors which are rated for use with propane
or natural gas.
WARNING
Combustion Hazard
■ Provide a properly located and sized fresh air
inlet for the heater.
-- Refer to Inlet Air Requirements instructions.
■ Failure to provide a fresh air inlet can lead to:
-- Sooting causing building damage
-- High carbon monoxide levels, causing serious
injury or death to livestock and humans.
-- Overheating of the tube, causing res leading
to building damage and injury to livestock and
humans.
-- Higher temperature differences over the length
of the tube, causing problems in temperature
control and bird performance

Oval-U 100 Radiant Tube Heaters
Owner’s Manual • Oval-U 100 Radiant Tube Heaters
9
FIG. 3
DRAWING INLET AIR THROUGH SIDEWALLS
DRAWING INLET AIR FROM ATTIC
Use minimum length of 4 in. diameter ex duct when connecting 4 in. PVC to
burner box. An adapter connection for the burner box to the 6 in. PVC must be
obtained through local source.
Install supports every 5 ft. to
prevent inlet sagging
Secure inlet to wall
For inlet runs up to 20 ft., use smooth
4 in. iD PVC. For runs over 20 ft.,
use 6 in. ID PVC
Do not locate the heater’s air inlet by
any building air inlet.
Air inlet
FIG. 2
Cut 4-1/4 in. hole in ceiling adjacent to joist.
Spread insulation away and fasten
ceiling ange to joist.
Flex tube: Cut to length
-- Do not exceed 4 ft. max. length
-- Do not kink (part #573382)
Inlet tube
must be 12 in.
min. above insulation
Ensure inlet cap isEnsure inlet cap is
unblocked by insulation.unblocked by insulation.
Clamps
12 in.
from
inside of
roof
Vent Cap
Air inlet
tube
Ceiling ange
A. Slide ange down on the air
inlet tube to the attic oor joist.
Secure it with wooden screws.
B. Attach ange to air inlet tube
using 3 self drilling screws.
C. Firmly push vent cap with screen
into tube.

Oval-U 100 Radiant Tube Heaters
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Owner’s Manual • Oval-U 100 Radiant Tube Heaters
10
1. Read all safety precautions and follow L.B. White
recommendations when installing this heater. If during
the installation of the heater, you suspect that a part is
damaged or defective, call a qualied service agency
for repair or replacement.
2. A qualied service agency must check the heater upon
installation and periodically. This shall consist of the
following:
-- Start up and shut down of the heaters to test for proper
operation.
-- Leak check all gas pipe joints and gas hose
connections.
-- Gas pressure checks.
-- Ensuring the heater is properly positioned away from
combustible materials.
3. Heater installation must take into consideration proper
hanging height to allow for clearance of catching ma-
chines, litter spreaders, and any other equipment used.
4. Ensure the heater installation does not interfere with
water, gas, or electrical lines.
5. Position the gas hose to prevent any contact with the
tube, heat reector, and burner box.
6. Ensure that all accessories that ship with the heater
have been removed from shipping containers and in-
stalled. This pertains to gas hose, regulators, supports,
hangers, etc.
7. This heater requires a regulated gas supply to its gas
inlet :
-- The regulator must be the proper design for the
application.
-- The regulator must control the inlet pressure to the
heater within the range specied on the dataplate.
-- Regulators mounted outside must be protected from
adverse weather conditions.
-- Regulators with pressure relief valves should be
installed outside the building.
-- Regulators installed inside should be vented outside.
-- Local state and national codes apply to regulator
installation. Refer to NFPA 54, National Fuel Gas Code,
and NFPA 58, Standard for Storage and Handling of
Liquied Petroleum Gas.
INSTALLATION INSTRUCTIONS
General Installation Instructions
8. Always use pipe joint compound that is resistant
to liqueed petroleum gas and natural gas.
9. Check all connections for gas leaks using ap-
proved gas leak detectors. Gas leak testing is
performed as follows:
-- Check all pipe connections, hose connections,
ttings and adapters upstream of the gas
control with approved gas leak detectors.
-- In the event a gas leak is detected, check
the components involved for cleanliness and
proper application of pipe compound before
further tightening.
-- Tighten the gas connections as necessary to
stop the leak.
-- After all connections are checked and any
leaks are stopped, turn on the main burner.
-- Stand clear while the main burner ignites to
prevent injury caused from hidden leaks that
could cause ashback.
-- With the main burner in operation, check all
connections, hose connections, ttings and
joints as well as the gas control valve inlet and
outlet
-- If a leak is detected, check the components
involved for cleanliness in the thread areas and
proper application of pipe compound before
further tightening.
-- Tighten the gas connection as necessary to
stop the leak.
-- If necessary, replace the parts or components
involved if the leak cannot be stopped.
-- Ensure all gas leaks have been identied and
repaired before proceeding.
WARNING
Fire and Explosion Hazard
■ Do not use open ame (matches, torches,
candles, etc.) in checking for gas leaks.
■ Use only approved leak detectors.
■ Failure to follow this warning can lead to res
or explosions.
■ Fires or explosions can lead to property
damage, injury or death.