AAON M2-036 User Manual
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Gas Fired Duct Furnace ............................................................................................................. 57
Duct Furnace Component Identification ................................................................................... 59
Furnace Maintenance ................................................................................................................ 66
Troubleshooting ........................................................................................................................ 67
Startup ........................................................................................................................................... 68
Filters ......................................................................................................................................... 68
Check Out .................................................................................................................................. 68
Commissioning .......................................................................................................................... 69
Operation ................................................................................................................................... 70
Adjusting Refrigerant Charge ................................................................................................... 70
Maintenance .................................................................................................................................. 74
Fan Assembly ............................................................................................................................ 74
Bearings ..................................................................................................................................... 74
Belts ........................................................................................................................................... 75
Indoor Coils ............................................................................................................................... 76
Refrigeration Cycle ................................................................................................................... 76
E-Coated Coil Cleaning ............................................................................................................ 76
Recommended Coil Cleaner .................................................................................................. 77
Recommended Chloride Remover ......................................................................................... 77
Energy Recovery Wheel ............................................................................................................ 77
Electric Heating ......................................................................................................................... 79
Steam or Hot Water Heating ..................................................................................................... 79
Cleaning .................................................................................................................................... 79
Chilled Water ............................................................................................................................ 79
Lubrication ................................................................................................................................ 79
Replacement Parts ..................................................................................................................... 80
AAON-Longview Customer Service Department .................................................................... 80
Filter Replacement .................................................................................................................... 80
Appendix A - Heat Exchanger Corrosion Resistance ................................................................... 82
Refrigerant Piping Diagrams ........................................................................................................ 84
M2 Series Startup Form ................................................................................................................ 91
Maintenance Log .......................................................................................................................... 97
R40681 · Rev. B · 120509
(ACP 30752)