7Rev 2.15-24.4 To Change Burner Name ................................................................................................................... 875-24.5 To Change Installation Data .............................................................................................................. 875-24.6 To Change Temperature Units .......................................................................................................... 875-24.7 To Turn On And Off The Unit Using Burner Switch........................................................................ 885-24.8 To Enable Pump Test ....................................................................................................................... 885-24.9 To Enable Modulation Test ............................................................................................................... 885-24.10 To Enable Pilot Test ........................................................................................................................ 886 Start Up Instructions .......................................................................................................................................... 896-1 Factory Test Report (FTR) ......................................................................................................................... 896-2 Verification ................................................................................................................................................. 906-3 Start-Up Detail............................................................................................................................................ 906-4 Start Up And Maintenance Tests ................................................................................................................ 906-4.1 Gas Supply Piping Leak Test .............................................................................................................. 906-4.2 Pilot Turndown Test - (Optional at Installation, Required Annually After) ....................................... 916-4.3 Pilot Spark Pick Up Test - (Optional at Installation, Required Annually After)................................. 916-4.4 Gas Valve Leak Test............................................................................................................................ 926-4.5 Safety Shutdown Tests (All Installations) ........................................................................................... 946-4.6 Blocked Drain Test - (Optional) .......................................................................................................... 956-5 Startup Component Adjustments ................................................................................................................ 956-5.1 Firing Rate Check/Fuel Air Ratio Gas Valve ...................................................................................... 956-5.2 Air Flow Switch Calibration................................................................................................................ 976-6 Combination Fuel Selection ....................................................................................................................... 976-7 Shutting Down The Unit ............................................................................................................................ 976-8 After Startup Checklist ............................................................................................................................... 987 Maintenance ....................................................................................................................................................... 997-1 Maintenance Descriptions .......................................................................................................................... 997-2 Maintenance Schedule .............................................................................................................................. 101Appendices.......................................................................................................................................................... 102Appendix A - Troubleshooting And Hold/Lockout Code .............................................................................. 102Appendix B- Replacement Parts ..................................................................................................................... 112Atlas Warranty .................................................................................................................................................... 114