Lb-white Guardian with Smart Sense / Direct Connect - Spark Manuel d'utilisateur Page 1

MODELS OUTPUT (Btuh) FUELAD250 250,000Owner's Manual and InstructionsGUARDIAN ®Agricultural Animal Confinement Building Heaters with Smart Sense™

12. A qualified service agency must check for properoperating gas pressure upon installation of theheater.13. Light according to instructions on heate

1. Assemble according to the illustration and tighten alleyebolts securely. See Fig. 3.FIG. 32. Be sure heater is securely fastened and is hangingleve

11MANUAL SHUT-OFF VALVE, HOSEAND REGULATOR ASSEMBLYREGULATORNIPPLEREGULATOR VENTGAS HOSEADAPTERSEDIMENT TRAPTO CONTROLVALVE INLETGANIPPLEVALVE, MANUAL

12 The Smart Sense™variable rate heater incorporates asignal conditioner board in the control box. This signalconditioner takes the control signal s

Follow steps 1 - 6 on initial start-up after heater installationby a qualified gas heater service person. For normal start-up, set the building contr

WARNINGThis heater may be washed only on the external caseassembly provided:A. The heater is disconnected from the electricalsupply.B. All access pane

151. Remove the screws securing the motor mountingplate to the fan housing.2. Pull the fan and motor assembly from the housing.3. Loosen the square he

16SIGNAL CONDITIONERIf replacing the signal conditioner: Handle the replacment conditioner at its edges. Don’t touch the signal conditioner compone

TESTING THE MANUAL RESET HIGH LIMIT SWITCHWARNINGFire Hazard Do not operate the heater with the high limit switchbypassed. Operating the heater a

The following explains a typical procedure to be followed inchecking gas pressures. Consult the dataplate on the heater or page 4 in thismanual for

19READ THIS ENTIRE SECTION BEFOREBEGINNING TO TROUBLESHOOT PROBLEMS.The troubleshooting flow charts on the following pagesprovide systematic procedure

OPERATION SEQUENCE:— A call for heat occurs from the building controller.— 115 VAC is sent to:-- 40 VA transformer and to ignition control-- 20 VA tr

21ProblemLED constant onRed LED noton during a call forheat. Heaterdoes notoperate.Normal OperationIs heaterconnected to itspower supply?Connect it t

22Two TimesAir provingswitch do notclose during acall for heat. Are air provingswitch contactsstuck open?(Perform continuitycheck.)Does fan motor star

23Three TimesIgnition failure. The module hasgone into safetylockout.Is LP tankfull and properly sized and are all gas supply valves to heater open?F

24If ignition control module does not reset, then replace the control. (Internal fault.)If ignition control module resets, then have qualified elect

25Electrical Connection and Ladder Diagram++1 2 6 7 5 3

26Heater Component FunctionAir Proving Switch Safety device used to insure that the proper air flow is beingachieved before the gas valve is opened.

27Parts IdentificationPARTS SCHEMATIC

28Parts IdentificationPARTS LISTItem Description Part Number1 Valve, manual shut off with nipple 03399*2 Regulator, Second stage, vent over outlet

WARNINGFire and Explosion Hazard Not for home or recreational vehicle use. Installation of this heater in a home orrecreational vehicle may result i

Contact your local L.B. White dealer for replacement partsand service or call the L.B. White Co., Inc. at 1-800-345-7200for assistance. Be sure that

This Owner's Manual includes all options and accessoriescommonly used on this heater. However, depending on theconfiguration purchased, some opt

4SPECIFICATIONSMaximum Input (BTUH) 250,000Minimum Input (BTUH) 65,0001,050 11.0 9.510.0 7.50.511.58 lbs. 250 cu.ft3.01 lbs. 65 cu.ft1/3 H.P.1100 RPM1

5Basic OperationThis heater uses Smart Sense™ technology for variablerate heat control. L.B.White has worked with agriculturalbuilding control manufac

6Propane gas and natural gas have man-made odorants added specifically for detection of fuel gas leaks.If a gas leak occurs, you should be able to sme

1. Do not attempt to install, repair, or service this heateror the gas supply line unless you have continuingexpert training and knowledge of gas heat

1. Read all safety precautions and follow L. B. Whiterecommendations when installing this heater. Ifduring the installation or relocating of heater,