L.B. White AW250 Owner's Manual And Instructions
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L.B. White AW250 Owner's Manual And Instructions

Agricultural animal confinement building heaters
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Owner's Manual and Instructions
Agricultural Animal Confinement Building Heaters
GUARDIAN
®
Congratulations!
You have purchased the finest agricultural building heater available.
Your new L.B. White heater incorporates the benefits from the most experienced
manufacturer of heating products using state-of-the-art technology.
We, at L.B. White, thank you for your confidence in our products and
welcome any suggestions or comments you may have...call us, toll-free,
at 1-800-345-7200.
ATTENTION ALL USERS
This heater has been tested and evaluated by C.S.A. International in accordance with
ANSI/IAS U.S. LC2-1996 as well as the Canadian Gas Association Standard for Gas
Fired Brooders, CAN1-2.20-M85 and is listed and approved as a direct gas-fired
circulating heater for the heating of agricultural animal confinement buildings. If you
are considering using this product for any application other than its intended use,
then please contact your fuel gas supplier, or the L.B. White Co., Inc.
MODELS
OUTPUT (Btuh)
AW250
250,000
FUEL
All Models are
available in either
L.P. Gas Vapor
Withdrawal or
Natural Gas
Configurations.
Certification by:
150-24161

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Summary of Contents for L.B. White AW250

  • Page 1 Your new L.B. White heater incorporates the benefits from the most experienced manufacturer of heating products using state-of-the-art technology. We, at L.B. White, thank you for your confidence in our products and welcome any suggestions or comments you may have...call us, toll-free, at 1-800-345-7200.
  • Page 2 Save this Owner’s Manual for future use and reference. Owner’s Manuals and replacement labels are available at no charge. For assistance, contact L.B. White at 800-345-7200. WARNING Proper gas supply pressure must be provided to the inlet of the heater.

  • Page 3: Table Of Contents

    The L.B. White Co., Inc. has a policy of continuous product improvement. It reserves the right to change specifications and design without notice.

  • Page 4: Heater Specifications

    Heater Specifications M M o o d d e e l l AW250 SPECIFICATIONS L.P. Natural Maximum Input (BTUH) 250,000 Minimum Input (BTUH) 160,000 Ventilation Air Required 1,050 CFM to Support Combustion Inlet Gas Supply 13.5 in. W.C. MAX. Pressure Acceptable at the Inlet of the 11 in.

  • Page 5: Safety Precautions

    Safety Precautions WARNING Asphyxiation H H azard Do not use this heater for heating human living L.B. White Company to determine combustion air quarters. ventilation requirements of the heater. Do not use in unventilated areas. Lack of proper ventilation air will lead to improper combustion.
  • Page 6 If it is evident there is excessive abrasion or wear, or if the hose is cut, it 2. All installations and applications of L.B. White heaters must be replaced prior to the heater being put into must meet all relevant local, state and national operation.

  • Page 7: Installation Instructions

    Contact your gas supplier, or the L.B. White Co., Inc. if you have any questions. -- With the main burner in operation, check all connections, hose connections, fittings and 6.

  • Page 8: Air Diverter Installation Instructions

    Do not use an withdrawal system or application. If you are in doubt, orifice size different than specified for the specific contact the L.B. White Co., Inc. input rating of this heater, fuel type configuration and altitude.

  • Page 9: Hanging Installation Instructions

    HANGING INSTRUCTIONS 1. Assemble according to the illustration and tighten all FIG. 3 eyebolts securely. (See Fig. 2): NOTE: REGULATORS SHOULD ALWAYS BE MOUNTED OUTDOORS. IF CIRCUMSTANCES FORCE INSTALLING THE REGULATOR INDOORS, FIG. 2 THE REGULATOR'S VENT MUST BE VENTED OUTDOORS USING VENT LINE NO SMALLER THAN VENT OPENING.

  • Page 10: Thermostat Installation Instructions

    THERMOSTAT INSTALLATION 2. To C C onnect t t he D D irect W W ired T T hermostat K K it t t o t t he WARNING Control B B ox o o n t t he H H eater: Electrical S S hock H H azard a.

  • Page 11: Start-Up Instructions

    Start-Up Instructions Follow steps 1 - 6 on initial start-up after heater installation contained within the control enclosure. On the HSI by a qualified gas heater service person. For normal start- module is a red light emitting diode (LED). This LED up, simply turn thermostat above room temperature.

  • Page 12: Variable Heat Output Instructions

    Variable Heat Output 1. Some models of propane (LP) gas or natural gas valve handle is parallel to the gas flow, the valve is heaters have a throttle valve for varying heat output completely open to deliver maximum heat output. located between the gas control valve and gas (Refer to Fig.

  • Page 13: Cleaning Instructions

    3. Regulators can wear out and function improperly. damaged. Any damaged markings must be replaced Have your gas supplier check the date codes on all immediately by contacting L.B. White Co., Inc. regulators installed and check delivery pressures to Markings are available at no cost.

  • Page 14: Electrical Connection And Ladder Diagram

    Electrical Connection and Ladder Diagram CAUTION Always refer to the heater’s electrical connection diagram when servicing to avoid wiring errors and heater malfunction. Check for proper operation after servicing. WARNING: THIS HEATER MAY START AT ANY TIME L.E.D. INDICATOR IGNITER HIGH LIMIT FLAME TRANSFORMER...

  • Page 15: Heater Component Function

    Heater Component Function Air Proving Switch Hot Surface Igniter Safety device used to insure that the proper air flow is being Electrical ignition device used on automatic ignition control achieved before the gas valve is opened. systems. Ignites gas by surface temperature rather than by spark or flame.

  • Page 16: Parts Identification

    Parts Identification Parts Schematic...

  • Page 17: Parts List

    Parts Identification Parts List Item Description Part N N umber Regulator, LP Gas, 2nd Stage, Vent Over Outlet 06553 Regulator, LP Gas, 2nd Stage, Vent Over Side 06665 Regulator, Natural Gas 23360 Nipple, 3 1/2 in. 07148 Valve, Manual Shut Off 05548 Adapter, Hose, 1/2 NPT x 1/2 NPS 02894...

  • Page 18: Warranty Policy

    Warranty Policy HEATER L.B. White Co., Inc. warrants that the component parts of its or replace the defective part or heater, with a new part or heater are free from defects in material and workmanship, heater, F.O.B., Onalaska, Wisconsin. when properly installed, operated, and maintained in accordance with the Installation and Maintenance A warranty card on file at L.B.

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