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
MODELS
OUTPUT (kW)
FUEL
Propane
AW250
73,27
Vapor
Withdrawal
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, at
608-783-5691.
ATTENTION ALL USERS
This heater has been designed, tested and evaluated by L.B. White Co. Inc. as a
direct gas-fired circulating heater for the heating of agricultural animal confinement
buildings. The heater is approved for either indoor or outdoor mounting. If you are
considering using this product for any application other than it's intended use,
contact your local agent or the L. B. White Co., Inc. in the U.S.A. at 608-783-5691.
150-26658

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Summary of Contents for L.B. White AW250

  • Page 1 608-783-5691. ATTENTION ALL USERS This heater has been designed, tested and evaluated by L.B. White Co. Inc. as a direct gas-fired circulating heater for the heating of agricultural animal confinement buildings. The heater is approved for either indoor or outdoor mounting. If you are considering using this product for any application other than it’s intended use,...
  • Page 3 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 608-783-5691. WARNING ■ Proper gas supply pressure must be provided to the inlet of the heater.

  • Page 4: Table Of Contents

    Table of Contents SECTION PAGE General Information ..............3 Heater Specifications .

  • Page 5: Heater Specifications

    Heater Specifications Model AW250 SPECIFICATIONS Maximum Input (kW) 73,27 Ventilation Air Required 1800 to Support Combustion (m3/hour) Inlet Gas Supply MAX. Pressure Acceptable at the Inlet of the Heater for Purpose 27,5 MIN. of Input Adjustment (mbar) Burner Manifold Pressure (mbar)

  • Page 6: Safety Precautions

    Safety Precautions WARNING Asphyxiation Hazard ■ Do not use this heater for heating human living White Company to determine combustion air ventilation quarters. requirements of the heater. ■ ■ Do not use in unventilated areas. Lack of proper ventilation air will lead to improper combustion.
  • Page 7 Safety Precautions 1. Do not attempt to install, repair, or service this heater 8. Do not block air intakes or discharge outlets of the or the gas supply line unless you have continuing appliance. Doing so may cause improper combustion expert training and knowledge of gas heaters.

  • Page 8: Installation Instructions

    Installation Instructions GENERAL properly installed sediment trap will keep foreign WARNING materials from entering the gas valve and protect the Fire or Explosion Hazard. safe functioning of that important safety component. Can cause property damage, severe injury or death. ■ 8.

  • Page 9: Air Diverter Installation Instructions

    11. Light according to instructions on the heater or within 15. Eventually, like all electrical/mechanical devices, the owner’s manual. thermostat can fail. Thermostat failure may result in either an underheating or overheating condition which 12. It is extremely important to use the proper size and may damage critical products and/or cause animal type of gas supply line to assure proper functioning of injury or death.

  • Page 10: Hanging Instructions

    HANGING INSTRUCTIONS 1. Assemble according to the illustration below and tighten FIG. 3 all eyebolts securely. FIG. 2 EYEBOLT CHAIN OPTIONAL INDOOR REGULATOR MOUNTING LOCATION FLAT WASHER BLACK PIPE GAS HOSE THROUGH WALL THERMOSTAT VENT LINE CAGE NUT CASE TOP CORD WALL OUTLET HEATER...

  • Page 11: Thermostat Installation

    THERMOSTAT INSTALLATION b. The thermostat may use 18 gauge, 2 wire cord to WARNING handle the low voltage being supplied to the Electrical Shock Hazard thermostat from the transformer. ■ Disconnect the electrical supply before connecting the c. Follow all instructions provided with the thermostat to the heater.

  • Page 12: Start-Up Instructions

    Start-Up Instructions Follow steps 1 - 9 on initial start-up after heater installation 4. Connect the electrical cord to an approved electrical by a qualified service person. For normal start-up, simply outlet. set the thermostat to a setting above room temperature. Set the thermostat to desired room temperature.

  • Page 13: Cleaning Instructions

    Cleaning Instructions WARNING Fire, Burn, and Explosion Hazard ■ This heater contains electrical and mechanical components in the gas management, safety and airflow systems. ■ Such components may become inoperative or fail due to dust, dirt, wear, aging, or the corrosive atmosphere of an animal confinement building.

  • Page 14: Maintenance Instructions

    Maintenance Instructions 1. Have your gas supplier check all gas piping annually 4. Regulators must be periodically inspected to make for leaks or restrictions in gas lines. Also, at this time sure the regulator vents are not blocked. Debris, have your gas supplier clean out the sediment trap of insects, insect nests, snow, or ice on a regulator can any debris that may have accumulated.

  • Page 15: Motor And Fan Wheel Assembly

    MOTOR AND FAN WHEEL ASSEMBLY 1. Remove the screws securing the motor mounting FIG. 8 plate to the fan housing. MOTOR MOUNT PLATE 2. Pull the fan and motor assembly from the housing. FAN WHEEL 3. Loosen the set screw(s) on the fan wheel with a wrench.

  • Page 16: Gas Control Valve

    Gas Pressure Checks 3. Open the fuel supply valves to the heater and WARNING reconnect the heater electrical supply. ■ Do not disassemble the gas control valve. 4. Start the heater ■ Do not attempt to replace any components of the gas C.

  • Page 17: Igniter

    IGNITER 1. Open the burner end access panel. 7. Install igniter retaining screw and tighten snugly. DO NOT OVERTIGHTEN. Overtightening can cause cracks 2. Disconnect the plastic male and female plugs located in base of igniter, possibly leading to future igniter at the end of the igniter leads.

  • Page 18: Testing The Manual Reset High Limit Switch

    TESTING THE MANUAL RESET HIGH LIMIT SWITCH 4. Allow the switch cool down for about a minute before WARNING firmly pressing the red reset button on the switch. Fire Hazard ■ Do not operate the appliance with the high limit switch 5.

  • Page 19: Troubleshooting Guide

    Troubleshooting Guide Heating Mode Problems Page READ THIS ENTIRE SECTION BEFORE L.E.D. Diagnostic light not on during a call for heat . . .19 BEGINNING TO TROUBLESHOOT PROBLEMS. L.E.D. diagnostic light flashing: A. Rapid Flash ......20 WARNING B.

  • Page 26: Electrical Connection And Ladder Diagram

    Electrical Connection and Ladder Diagram...

  • Page 27: Heater Component Function

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

  • Page 28: Parts Identification

    Parts Identification PARTS SCHEMATIC...

  • Page 29: Parts List

    PARTS LIST Item Description Part Number Regulator 06553* Nipple, 12.7 mm x 89 mm 07148* Valve, Manual Shut-Off 05548* Hose, 12.7 mm ID x 3 Meter 20714* Adapter, Hose 02894* Kit, Sediment Trap 00815 Base 20136 Cover, Gas Control 09287 Bracket, Gas Control Valve 09506 Valve, Gas Control...

  • Page 30: Warranty Policy

    12 months from date of shipment from L B. White. date of purchase by the end user, any component is found to be defective, L.B. White Co., Inc. will at its option, repair or replace the defective part or equipment, with a new part or equipment, F.O.B., Onalaska, Wisconsin.

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