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1-800-345-7200. ATTENTION ALL USERS This heater has been tested and evaluated by L.B. White Co., Inc as a direct fired circulating construction heater with intended use for primarily the temporary heating of buildings under construction, alteration, or repair. If you are considering using this product for any applications other than its intended use, then please contact your fuel gas supplier or the L.B.
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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.
The L.B. White Co., Inc. has a policy of continuous product This manual will instruct you in the operation and care of improvement. It reserves the right to change specifications your unit.
Heater Specifications M M o o d d e e l l SPECIFICATIONS w/ Thermostatic Panel w/ Thermostatic Panel Fuel Type L.P. L.P. Maximum Input (BTUH) 200,000 400,000 Ventilation Air Required 450 CFM 900 CFM to Support Combustion Inlet Gas Supply 24 PSIG.
Safety Precautions WARNING Asphyxiation H H azard Do not use this heater for heating human living Owner’s Manual, heater dataplate, or contact the L.B. quarters. White Company to determine combustion air ventilation requirements of the heater. Do not use in unventilated areas. Lack of proper ventilation air will lead to improper The flow of combustion and ventilation air must not be combustion.
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In any event, do not relight the heater for at least 5 minutes. 2. All installations and applications of L.B. White heaters must meet all relevant local, state and national 14. Minimum LP gas supply cylinder size to be used shall codes.
Installation Instructions GENERAL Check all connections for gas leaks using approved gas leak detectors. Gas leak testing is performed as WARNING follows: Fire a a nd E E xplosion H H azard WARNING C C a a n n c c a a u u s s e e p p r r o o p p e e r r t t y y d d a a m m a a g g e e , , s s e e v v e e r r e e i i n n j j u u r r y y o o r r d d e e a a t t h h Fire a a nd E E xplosion H H azard Do not use open flame (matches, torches, candles, 1.
Contact your gas supplier, or you know how to shut off the gas supply to the the L.B. White Co., Inc. if you have any questions. building and also to the individual heater. Contact your fuel gas supplier if you have any questions.
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FIG. 4 FIG. 8 JAM NUT SCREEN TIP OF BURNER ORIFICE IS FLUSH WITH INSIDE SLEEVE OF BURNER 5. Thread compression nut onto pilot orifice. Ensure that compression sleeve and pilot tube are firmly pushed up within pilot orifice. Tighten the nut securely.
DUCT INSTALLATION FIG. 11 COLLAR ATTENTION SCREW CRIMPED END Duct installation is required for Models 324 and 326. Refer to the following instructions and illustrations. Model 328 and 330 heaters will have the duct factory installed. FAN HOUSING INLET 1. Fasten crimped end of duct to collar end of heater opposite burner.
Start-Up Instructions WARNING ATTENTION Burn H H azard On new installations it may take a short time for gas to Close the manual main burner valve before lighting the purge out any air in the pilot line before the pilot stays pilot.
Use only a soft brush, dry rag, or compressed air to Ensure the pilot orifice screen is installed prior to orifice clean the burner and pilot orifices. assembly. Its purpose is to trap contamination that would prevent the pilot orifice from operating properly. Do not push instruments into burner or pilot orifice holes.
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. ATTENTION The following wiring diagrams apply to heater Models 326 and 330. Heater Models 324 and 326 do not ship with a thermostat or gas control solenoid.
Troubleshooting Information PROBLEMS CAUSES REMEDIES Pilot will not light. * LP-Gas tank empty. * Fill LP-Gas tank. * Gas supply valve closed. * Open supply valve. * Pilot control valve button not fully * Fully depress the pilot button. depressed. * Restriction in gas hose.
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Heater bl owing cold air with pilot * Defective solenoid valve. * Replace solenoid valve. light burning. (Models 326 and 330) * Main burner valve not open * Open main burner valve Main burner does not shut * Defective solenoid valve. * Replace solenoid valve.
Heater Component Function Burner burner. Cast iron component used to channel gas and provide an area at which the fuel may ignite. Pilot Tube Formed copper tube used to convey gas from the safety Burner Orifice control valve to the pilot light orifice. The tube is internally Brass metering device used to feed gas to burner at a “tinned”...
PARTS LIST Models Item Description -----------------------------------------------130-01237--------------------------------- Screw -----------------------------------------------130-02747---------------------------------- Motor -----------------------------------------------550-07181--------------------------------- -----------------------------------------------420-01227--------------------------------- Set Screw -----------------------------------------------130-01235--------------------------------- Regulator -----------------------------------------------550-21788--------------------------------- Adapter, Hose -----------------------------------------------310-01098--------------------------------- Hose, 1/4 in. ID x 10ft. -------------550-20720------------- -------------400-20242------------ Cord, Power 120-04645 120-07040 120-04654 120-07040 Valve, Pilot Safety -----------------------------------------------130-07966--------------------------------- Adapter -----------------------------------------------310-07970--------------------------------- Panel 230-02693 230-02693 Thermostat...
12 months from date of shipment from L B. White. found to be defective, L.B. White Co., Inc. will at its option, repair or replace the defective part or heater, with a new...