High Limit Thermostat Locations and
Functions ...............................44-45
Pressure Regulator Adjustment ..........45
Heat Sensor .....................................45
Electronic Control Removal ................45
Membrane Switch Replacement .........45
Temperature Sensor Testing ..............45
Temperature Testing .........................46
Temperature Sensor Removal ............46
Upper Front Panel Removal ...............46
Lower Front Panel Removal ...............46
Final Drive Belt Replacement .............46
Motor Drive Belt Replacement ............46
Tumbler Pulley Removal/ Installation ..46
Intermediate Pulley and Tension Arm
Removal .....................................47
Tension Arm Support Assembly
Adjustment .................................47
Motor and Blower Assemly Removal
and Installation ...........................47
Air Flow Switch Operation and
Adjustment .................................47
Ignition Transformer Fuse ..................47
Ignition Control Transformer ..............47
Electronic Ignition Module ............ 47-48
Spark Ignition Module Removal ..........48
Ignition System Function/Sequence ....48
Ignition System Checkout ..................49
Spark Electrode Assembly Removal ....49
Gas Valve & Manifold Removal ...........49
Main Burner Orice Removal .............. 49
Main Burner Removal ........................49
Recirculation Chamber Inspection ......49
Cylinder Removal ..............................49
Adjustment of Cylinder Assembly
with Front Panel Removed ............50
Tumbler Through Bolt Access Cover ...50
Bearing Housing Removal ..................50
Section 5:
Troubleshooting
Trouble Shooting Fault Codes ............55
Troubleshooting Tips .................... 55-58
Section 6:
Parts Data
Cabinet Group ............................. 62-65
Rear Panel & Cover Group .................66
Burner Housing Group .................68-69
Bearing Housing/Tumbler Group ... 70-71
Rear View ................................... 72-75
Control Assembly Group ............... 76-77
Door Switch Group ...........................78
OPL Control .....................................79
Section 7:
60 Hz Electric Heated Models
-84..................................................82
-85..................................................86
-86..................................................90
-87..................................................94
Section 8:
50Hz Models
Section 9:
50Hz Electric Heated Models
Section 10:
Maintenance
Regular Required Maintenance ......... 104
12 13
Part # 8533-108-001 10/22 Part # 8533-108-001 10/22
Notes
Electric Heated
Parts Data