Incorrect Installation, adjustment, or misuse of this burner could result in severe personal injury, death or substantial property damage. S119 ....Please read and follow all instructions contained in this manual before installing, starting or servicing this heating system. Incorrect Installation, adjustment, or misuse of this burner could result in severe personal injury, death or substantial property damage. S120 Page 1 Table of Contents Hazard Definitions and Owner’s Information ........................................................................................3 Information To Be Used Only By Qualified Service Technicians Weil McLain Burner Specification ..............................................................................................................4 General Information .........................................................................................................................................5 Certifi cations/Approvals………………………………………………………….. ..................................................5 Notice Special Requirements ...........................................................................................................................6 Inspect/Prepare Installation Site .................................................................................................................7 Clearances to Burner and Appliance ...............................................................................................................7 Inspect Chimney or Direct Vent System .........................................................................................................7 Combustion Air Supply .....................................................................................................................................7 Safety Shutoff for Direct Vent System .............................................................................................................7 Direct/Sidewall Venting Application ................................................................................................................7 Fuel Line Installation .........................................................................................................................................8 Fuel Line Valves and Filters .............................................................................................................................8 System Wiring ..................................................................................................................................................8 Prepare the Burner ...........................................................................................................................................9 General .........................................................................................................................................................9 Mount Burner on Appliance .............................................................................................................................9 Connect Fuel Lines ...........................................................................................................................................9 Wiring Connection Diagram .............................................................................................................................9 Start the Burner and Set Combustion ....................................................................................................12 Start-up and Initial Settings ............................................................................................................................12 Set Combustion with Test Instruments .........................................................................................................13 Cover Installation ............................................................................................................................................13 Trained Service Technician’s Regular Maintenance .........................................................................14 Removing Nozzle Line for Service .................................................................................................................14 Nozzle Installation ...........................................................................................................................................15 Check/Adjust Electrodes ................................................................................................................................16 Check Retention Head Alignment and Cad Cell Sighting ............................................................................16 Check/Adjust “Zero” Calibration ...................................................................................................................16 Blower Wheel Replacement ...........................................................................................................................17 Replaceme...