Master 100000 BTU/Hr Service Manual

SERVICE MANUALLOW PRESSUREPORTABLE FORCED AIR HEATERHOT SURFACE IGNITION MODELSSECTION A

10Hot Surface Ignition Models Service ManualIV. DIAGNOSTIC CHARTSThe following pages contain various diagnostic charts. To usethe charts, find the &qu

11Hot Surface Ignition Models Service ManualOBSERVED FAULTMotor Starts and Runs but Fuel Does Not IgniteDoes Ignitor Element Heat Up?NoYesCheck for De

12Hot Surface Ignition Models Service Manual3 Check for Proper Pump PressureInstall HA1180 Pressure Gauge or equivalent to rear ofair filter housing.

13Hot Surface Ignition Models Service ManualNote: Fuel Filter LocationMay Vary According ToModel. Refer to FuelSystem, page 8.Fuel Filter,Bushing,and

14Hot Surface Ignition Models Service ManualIgnitor Element Heats Up But MotorDoes Not Start Within Five SecondsRotate Fan by Hand to Determine

15Hot Surface Ignition Models Service ManualNote: Motor may varyaccording to model4 Dry Motor BearingIf the fan is difficult to turn with air pump par

16Hot Surface Ignition Models Service Manual6 Defective Ignition Control AssemblyDisconnect motor wires from control. Attach voltmeterleads to motor t

17Hot Surface Ignition Models Service Manual Ignitor Does Not Heat Up and MotorDoes Not Start Within 5 SecondsPossible Causes External to HeaterPossi

18Hot Surface Ignition Models Service ManualIgnitor Heats Up, Motor Starts and Runs, and Fuel Ignites,But Heater Shuts Off After a Short Period of Tim

19Hot Surface Ignition Models Service Manual2 Defective or Dirty Photocell AssemblyInspect the lens of the photocell for soot/dirt, etc... If dirty,wi

2Hot Surface Ignition Models Service ManualSAFETY INFORMATION WARNINGSIMPORTANT: Read this owner’s manual carefully andcompletely before trying to ass

20Hot Surface Ignition Models Service Manual5 Check for Proper Pump PressureInstall HA1180 Pressure Gauge or equivalent to rear ofair filter housing.

21Hot Surface Ignition Models Service Manual8 Fuel Cap and Gasket Not VentedRemove fuel cap and inspect the vent hole and gasketto make sure the passa

22Hot Surface Ignition Models Service ManualDelayed IgnitonWrong FuelContaminated or Old Fuel12OBSERVED FAULTTEST PROCEDURE1 Wrong FuelRefer to Fuel S

23Hot Surface Ignition Models Service ManualWIRING DIAGRAMS55,000 BTU Model (R55A Model Only)35,000, 40,000, 50,000, 55,000, 60,000, 70,000, 110,000,

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3Hot Surface Ignition Models Service ManualTABLE OF CONTENTSGeneral InformationI. Arrangement of Manual... 3III. Ser

4Hot Surface Ignition Models Service ManualV. PARTSIn addition to the standard parts we now offer parts kits. Listedbelow are the item numbers and the

5Hot Surface Ignition Models Service ManualSPECIFICATIONSI. GENERAL SPECIFICATIONS1. Fuel SelectionOne of the most critical specifications for trouble

6Hot Surface Ignition Models Service ManualHeater Model BTU Pump Nozzle Nozzle Motor Motor Motor Ignitor Control Fuel Hot Air AMPSRating PSI Part No.

7Hot Surface Ignition Models Service ManualCOMPONENT OPERATIONI. AIR SYSTEM1. Air PumpThe heater's air pump consists of a rotor with four carbonb

8Hot Surface Ignition Models Service Manual3. Hot Surface IgnitorAll models will use 102548-03 Ignitor Kit.The hot surface ignitor is rated for 120 vo

9Hot Surface Ignition Models Service ManualIV. COMBUSTION SYSTEMAir being blown by the fan is directed by the air deflectors intothe combustion chambe