L.B. White FUEL HD120 Owner's Manual
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L.B. White FUEL HD120 Owner's Manual

Greenhouse heaters
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Owner's Manual and Instructions
™
GreenGro Plus
Greenhouse Heaters
MODELS
OUTPUT (Btuh)
FUEL
Available in either
HD120
120,000
L.P. Gas Vapor
Withdrawal or
Natural Gas
Configurations.
Congratulations!
You have purchased the finest direct fired greenhouse 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 IAS U.S. Requirements for Gas-Fired Greenhouse Heaters, for use as a direct
gas-fired circulating heater for the heating of greenhouses. 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.
150-23487-A

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Summary of Contents for L.B. White FUEL HD120

  • Page 1 Owner's Manual and Instructions ™ GreenGro Plus Greenhouse Heaters MODELS OUTPUT (Btuh) FUEL Available in either HD120 120,000 L.P. Gas Vapor Withdrawal or Natural Gas Configurations. Congratulations! You have purchased the finest direct fired greenhouse 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.
  • Page 3 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 —...

  • Page 4: Table Of Contents

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

  • Page 5: Heater Specifications

    SPECIFICATIONS Maximum Input (BTUH) Minimum Input (BTUH) EXHAUST FAN Indoor Mounting Air Exchange Requirements SHUTTERED AIR INLET Outdoor Mounting Air SHUTTERED Exchange Requirements EXHAUST OUTLET Inlet Gas Supply MAX. Pressure Acceptable at the Inlet of the Heater for Purpose of Input MIN.

  • Page 6: Safety Precautions

    Safety Precautions Do not use this heater for heating human living quarters. Do not use in areas without proper air exchange. See air exchange requirements on page 4 or on heater’s dataplate. Exhaust fans, supply air inlets, or exhaust fan outlets must not be obstructed.
  • Page 7 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 service and installation of this equipment are as follows: a. To be a qualified gas heater service person, you must have sufficient training and experience to handle all aspects of gas-fired heater installation, service and repair.

  • Page 8: Installation Instructions

    Refer to instructions provided in the optional L.B. White outdoor mounting and ducting kit, part number 23578. 4. The heater must have the proper gas regulator installed for the application.

  • Page 9: Air Diverter Installation Instructions

    -- With the main burner in operation, check all connections, hose connections, fittings and joints as well as the gas control valve inlet and outlet connections with approved gas leak detectors. -- If a leak is detected, check the components involved for cleanliness in the thread areas and proper application of pipe compound before further tightening.

  • Page 10: Indoor Installation Instructions

    INDOOR INSTALLATION INSTRUCTIONS This heater may be mounted within the greenhouse for indoor heating applications. The heater may be installed on an optional indoor mounting bracket kit, part number 23651, which is installed on freestanding supports or mounted directly to the structure’s wall. Separate installation instructions accompany the kit.

  • Page 11: Sediment Trap Assembly Instructions

    NIPPLE HOSE ADAPTER TO GAS CONTROL NIPPLE THERMOSTAT YELLOW BLACK BLUE WHITE GREEN...
  • Page 12 B. Single S S tage T T hermostat 1. Operate on first stage heat only. -- Remove jumper at terminals 8 and 9. -- Connect thermostat to terminals 8 and 9. THERMOSTAT WHITE WHITE BLACK 2. Operate on second stage heat only. -- Remove jumper at terminals 8 and 9.

  • Page 13: Manual Shut-Off Valve, Hose And Regulator Assembly Instructions

    VENT MODE -- Remove black lead at terminal 4 to selector switch. -- Add contacts at terminals 1 and 4. VENT MODE CONTACTS BLACK BLACK BLACK WHITE SELECTOR SWITCH GREEN POWER CORD TERMINAL STRIP 1. Always use approved pipe thread compound suitable for use with L.P.

  • Page 14: Start-Up Instructions

    Start-Up Instructions For initial start-up after heater installation, follow steps 1-6. For normal start-up, simply set the thermostat above room temperature. Connect electrical cord to an approved electrical outlet. 2. Set thermostat to desired room temperature. 3. This heater has a manually operated toggle style selector switch located on the top of the control box.

  • Page 15: Cleaning Instructions

    This heater contains electrical and mechanical components in the gas management, and safety systems. Such components may become inoperative or fail due to dust, dirt, wear and aging. Periodic cleaning and inspection as well as proper maintenance are essential to avoid serious injury or property damage.

  • Page 16: Service Instructions

    Service Instructions GENERAL WARNING B B u u r r n n H H a a z z a a r r d d Heater surfaces are hot for a period of time after the heater has been shut down. Allow the heater to cool before performing service, maintenance, or cleaning.

  • Page 17: Flapper Adjustment

    1. Ensure there is not any dust, dirt, etc. that may cause binding on the pivot points of the flapper. If debris is found, use a soft brush, or compressed air, to clean the area as necessary. 2. The arm of the flapper should engage the arm of the airflow switch when the trailing edge of the flapper body is lifted and is at the proper clearance distance off the blower housing bottom.

  • Page 18: Removing Control Box And Wire Harness

    TESTING THE MANUAL RESET HIGH LIMIT SWITCH WARNING Fire H H azard Do not operate the heater with the high limit switch bypassed. Operating the heater with a bypassed high limit switch may lead to overheating, possibly resulting in a fire, with subsequent damage to the heater, building damage, or loss of plants.

  • Page 19: Gas Pressure Checks

    ATTENTION The following explains a typical procedure to be followed in checking gas pressures. Consult the dataplate on the heater or page 4 in this manual for specific pressures to be used in conjunction with this procedure. The gas pressures will vary depending upon fuel type.

  • Page 20: Troubleshooting Instructions

    Troubleshooting Instructions READ THIS ENTIRE SECTION BEFORE BEGINNING TO TROUBLESHOOT PROBLEMS. WARNING This heater can start at any time. Troubleshooting this system may require operating the unit with line voltage present and gas on. Use extreme caution when working on the heater. Failure to follow this warning may result in personal injury or death.

  • Page 26: Electrical Connection And Ladder Diagram

    Electrical Connection and Ladder Diagram CAUTION-REFER TO THE HEATER’S ELECTRICAL CONNECTION DIAGRAM WHEN SERVICING TO AVOID WIRING ERRORS AND HEATER MALFUNCTION. CHECK FOR PROPER OPERATION AFTER SERVICING. BLACK WHITE GREEN POWER CORD GROUND TRANSFORMER BLACK WHITE IGNITER FLAME SENSOR BURNER HIGH VOLTAGE GROUND IGNITION LEAD...

  • Page 27: Heater Component Function

    Air Proving Switch Safety device used to insure that the proper air flow is being achieved before the gas valve is opened. Burner Cast iron component used to channel gas and provide an area at which the fuel may ignite. Burner Orifice Brass metering device used to feed gas to burner at a specific rate.
  • Page 28 ts IdentificationPAR TS SCHEMA 24353422...

  • Page 29: Parts Identification (Parts List & Schematic)

    Item Description Regulator, LP Gas, 2nd Stage, Vent Over Outlet Regulator, LP Gas, 2nd Stage, Vent Over Side Regulator, Natural Gas (5 PSIG Inlet, 13.5 Outlet) Nipple, 3 1/2 in. Valve, Manual Shut Off Hose, 1/2 in. ID x 10 ft. with Adapter Adapter, Hose, 1/2 NPT x 1/2 NPS Kit, Sediment Trap Base...

  • Page 30: Warranty Policy

    Warranty Policy HEATER L.B. White Co., Inc. warrants that the component parts of its heater are free from defects in material and workmanship, when properly installed, operated, and maintained in accordance with the Installation and Maintenance Instructions, safety guides and labels contained with each unit.

This manual is also suitable for:

Greengro hd120Greengro plus hd120

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