Desa PROPANE CONSTRUCTION HEATERS Owner's Manual

Also see for 100,000 BTU/Hr Models: Owner's manual Owner's manual Ower's manual Owner's manual

Contents

Desa PROPANE CONSTRUCTION HEATERS Owner's Manual Manual pdf 8 page image

8102370-01H100,000 Btu/HrPROPANE CONSTRUCTION HEATERFigure 12 - Clearance between IgnitorElectrode and Target PlateSPARK TRANSFORMER1. Remove base tray.2. Locate and disconnect white, black, andorange wires from spark transformer.3. Remove two screws holding sparktransformer to base. Remove sheetmetal nuts on transformer and installon new transformer. Discard sparktransformer.4. Install new spark transformer. Positionnew spark transformer in same manneras old transformer.5. Connect white, black, and orange wiresto new spark transformer. Connectwires to correct terminals as noted instep 2.6. Replace base tray.IGNITOR1. Remove motor, motor mount, and fanguard (see Motor, page 7, steps 1through 6) .2. Remove orange ignitor wire fromignitor.3. Remove ignitor mounting screw fromrear head using nut-driver or standardscrewdriver (see Figure 11).Figure 11 - Removing Ignitor MountingScrew and IgnitorFigure 10 - Removing Ignitor Wire fromSpark TransformerBushingIgnitorWireRear HeadIgnitorIgnitorMountingScrew4. Remove ignitor from rear head.5. Install new ignitor. Attach ignitor to rearhead with ignitor mounting screw.6. Attach ignitor wire.7. Check gap between ignitor electrodeand nozzle to .13"/.15" (see Figure 12).8. Test for spark.WARNING: Make sure heateris disconnected from propanesupply. Heater could ignite caus-ing severe burns.Plug into extension cord and watch forspark between ignitor electrode andnozzle.9. Place motor, motor mount, and fanguard into rear of heater shell (seeMotor, page 7, steps 14 through 18).ACCESSORIESPurchase accessories and parts from yournearest dealer or service center. If yourdealer or service center can not supply anaccessory or part, either contact your near-est Parts Central (listed in the separate Au-thorized Service Center booklet) or callDESA International’s Parts Department at1-800-972-7879 for referral information.You can also write to the address listed onthe back page of this manual.Hose: LPA1000 - For 100,000Btu/Hr ModelA 10 foot hose for locating heater furtheraway from propane tank(s).Regulator: LPA2150 - For100,000 Btu/Hr ModelHose and Regulator Assembly:LPA3100 - For 100,000 Btu/HrModelFuel Gas Connector: LPA4020 -For All ModelsA POL adapter with excess-flowYou may have further questions about thisheater. If so, contact DESA International’sTechnical Service Department at 1-800-323-5190.You can also visit DESA International’sTechnical Service web site atwww.desatech.com.TECHNICALSERVICESERVICEPROCEDURESContinuedBurnerNozzleGapAreaIgnitorElectrode