Munchkin boiler f0911/27/2022 ![]() Check any flue blockage or condensate blocks.Ĭ. If there is a flame, check the flame sensor. If there is a spark but no flame, check the gas supply to the heater.5. Remove any corrosion from the spark electrode and flame rectifier probe.4. If there is no spark, check the spark electrode for the proper ¼” gap by holding two quarters together and sliding them through the gap.3. Watch the igniter through the observation window provided.2. No flame detected –The heater will make three attempts at ignition before the control goes into this lockout condition.ġ. You could easily move to the wrong side of the combustion curve. May have to replace the burner tube gasket.ĭon't fool with the combustion by messing with the gas valve without a combustion analyzer. If the grounding is loose or not connecting then you will get a F09 error code.Ĭheck the burner tube and make sure it is clean where it attaches to the burner door and the screws holding the air/gas channel to the burner door are tight. The rectification current passes thru the flame from the rectification probe to the ground. What is F09 error code has been covered by other commentators. and 49: 48 J.Rasco, swirl fan breakage (deterioration) is most often caused by exhaust gases re-entering the boiler thru the fresh air intake.and 45: 44 Figure 24 - Piping Exhaust aroun.and 43: 42 The building owner is responsibl.and 41: 40 The exhaust and intake comp.and 29: 28 PART 6 - PIPING WITH OPTIONAL VI.and 19: 18 SIZING SPACE HEAT SYSTEM PIPING.and 9: 8 Water pH between 6.0 and 8.0 o M.and 5: 4 The latest version of the Nationa.and 3: 2 IF THE INFORMATION IN THIS MANUAL.NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE. NOTICE: HTP reserves the right to make product changes or updates without notice and will not be held liable for typographical errors in literature. Failure to comply could result in substantial property damage, severe personal injury, or death. Read all instructions in this manual before installing. This manual must be used by a qualified installer/service technician. Refer to the Control Program Reference Chart within this manual for selections that apply to this model. MC Series Gas-Fired Circulating Heater INSTALLATION START-UP MAINTENANCE PARTS Models MC50 / MC80 MC99 / MC120 When installing models manufactured after July 7, 2008, you will notice additional selections on the control installer menu that will not apply to this unit. ![]()
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