L.B. White 377 Owner's Manual And Installation Instructions
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L.B. White 377 Owner's Manual And Installation Instructions

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Owner's Manual and Instructions
Congratulations!
You have purchased the finest 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 Standard ANSI Z83.7 CSA 2.14 and is listed and approved as a direct gas-fired
circulating construction heater with intended use for primarily the temporary heating
of buildings under construction, alteration, or repair. As an alternative use, this
heater has also been tested and evaluated by the L.B. White Co., Inc. for the heating
of agricultural animal confinement buildings and has been used in such
applications for many years. If you are considering using this product for any
applications other than those previously stated, then please contact your fuel gas
supplier or the L.B. White Co., Inc.
MODELS
OUTPUT (Btuh)
377, 379*
115,000
* The --3 and --4 versions of these heaters are not listed
and approved heaters.
FUEL
All Models are
available in
either Propane
Vapor Withdrawal
or Natural Gas
Configurations.
Certification by:
150-23259-A

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Summary of Contents for L.B. White 377

  • Page 1 As an alternative use, this heater has also been tested and evaluated by the L.B. White Co., Inc. for the heating of agricultural animal confinement buildings and has been used in such applications for many years.
  • 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

    L.B. White Company. dataplate. Contact your local L.B. White distributor or the L.B. White Co., This manual will instruct you in the operation and care of Inc. for assistance, or if you have any questions about the your unit.

  • Page 4: Heater Specifications

    Heater Specifications M M o o d d e e l l SPECIFICATIONS Propane Natural Maximum Input (BTUH) 115,000 Ventilation Air Required 480 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

    Symptoms of carbon monoxide poisoning can include headaches, dizziness and difficulty in breathing. Refer to the specification section of the heater’s Owner’s Manual, heater dataplate, or contact the L.B. White Symptoms of improper combustion affecting livestock can be disease, lower feed conversion, or death.
  • Page 6 Failure to use a properly 2. All installations and applications of L.B. White heaters grounded receptacle can result in electrical shock, must meet all relevant local, state and national codes.

  • Page 7: Installation Instructions

    The single-stage regulator is to be used only in applications where temporary use of -- Furthermore tighten the gas connections as the heater is required. Contact the L.B. White Co. or necessary to stop the leak. your fuel gas supplier if you have questions.

  • Page 8: Air Diverter Installation Instructions

    18. Any defects found in performing any of the service or dataplate at all times. Contact your gas supplier, or maintenance procedures must be eliminated and the L.B. White Co., Inc. if you have any questions. defective parts replaced immediately. The heater must be retested by properly qualified service personnel before placing the heater back into use.

  • 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 FIG. 2 CIRCUMSTANCES FORCE INSTALLING THE REGULATOR INDOORS, 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 Heater: Electrical S S hock H H azard a. The installation and wiring of a thermostat must Disconnect the electrical supply before connecting the be done by an electrician or someone properly thermostat to the heater.

  • Page 11: Cleaning Instructions

    Cleaning Instructions WARNING Fire, B B urn, a a nd E E xplosion H H azard 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 12: 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 AIR PROVING SWITCH (NOT SUPPLIED ON SOME MODELS) BLACK BLACK...

  • Page 13: Heater Component Function

    Heater Component Function Air Proving Switch Pilot Light Orifice Safety device used to insure that the proper air flow is being A metering device used to supply gas for the dual purpose of achieved before the gas valve is opened. (115,000 and igniting the main burner and heating the thermocouple.

  • Page 14: Parts Identification

    Parts Identification PARTS SCHEMATIC...

  • Page 15: Parts List

    PARTS LIST Item Description Part N N umber Regulator, Single Stage (Propane Gas) 23215 Regulator, Second Stage (Propane Gas) 06665 Hose, 3/8 in. x 10 ft. 22000 Adapter, 1/2 NPT x 5/8-18 UNF 06655 Cord, Power, 5 ft. 01220 Bracket, Gas Control Valve 23975 Cover 23972...

  • Page 16: Warranty Policy

    Warranty Policy EQUIPMENT 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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