MagnaTherm Boilers and Water Heatersii9.H.15 Burner Control Ignition.................................... 679.H.16 System Configuration ..................................... 679.H.17 Sensor Configuration ...................................... 679.H.18 Lag (Slave) Configuration .............................. 689.H.19 Lead (Master) Configuration ........................... 719.I Parameter Defaults and Ranges .................... 719.J Configuring for a Gateway Control for BAS ... 759.K VARI-PRIME® Flow Control System ............. 769.L Combustion Setup Procedure ........................ 77SECTION 10 Initial startup Instructions10.A Filling the Boiler System ................................. 8010.B Initial Operation .............................................. 8110.B.1 Initial Burner Operation................................... 8110.B.2 Combustion Setup Procedure ........................ 8110.C Shutting Down the Unit ................................... 8110.D Restarting the Unit .......................................... 81SECTION 11 Maintenance11.A System Maintenance ..................................... 8211.B Maintenance Notes......................................... 8211.B.1 Burner ............................................................. 8211.B.2 Modulating Gas Valve/ Venturi ....................... 8211.B.3 Controller ........................................................ 8311.B.4 Spark Ignition Electrodes................................ 8311.B.5 11.2.5 Flame Sensor ..................................... 8311.B.6 Blower 1600.................................................... 8311.B.7 Blower 2000-4000 .......................................... 8311.B.8 Heat Exchanger Tubes ................................... 8411.B.9 Gas Pressure Switches .................................. 8411.B.10 Battery Back Up for Date and Time ................ 85SECTION 12 Troubleshooting12.A Lockouts, Holds, and Alerts ............................ 8612.A.1 Responding to a Lockout, Hold, or Alert ......... 8612.A.2 Viewing the Lockout and Alert Histories ......... 8612.B Troubleshooting Table .................................... 8812.C Diagnostic Tests and Input/Output Indicators . 9712.D Lead Lag Diagnostics ..................................... 9812.E Statistics ......................................................... 9812.F Analysis .......................................................... 9812.G Control Snapshot ............................................ 9912.H Operating Sequence....................................... 99SECTION 13 Replacement Parts .................... 10013.A General Information ...................................... 10013.B Component Illustrations, Parts Lists,and Part Numbers ........................................ 10113.B.1 Frame and Jacket Assy, Part Numbers ....... 10113.B.2 Final Assembly, Part Numbers .................... 10313.B.3 Control Panel Assembly, Part Numbers ....... 10413.B.4 Blower Burner Assembly,Part Numbers (Model 1600) ........................ 10513.B.5 Blower Burner Assembly, Part Numbers(Model 2000) ............................................... 10613.B.6 Blower Burner Assembly,Part Numbers (Models 2500 and 3000) ....... 10713.B.7 Blower Burner Assembly,Part Numbers (Models 3500 and 4000) ....... 10813.B.8 AC Distribution Box Assembliesand Part Numbers (Model 1600) .................. 10913.B.9 AC Distribution Box Assembly andBlower Part Numbers (Model 2000) ............. 11013.B.10 AC Distribution Box Assembly and BlowerPart Numbers (Models 2500 to 4000) ...........11113.B.11 Gas Train Assembly, Part Numbers(Models 1600, 2000, 2500 and 3000)........... 11213.B.12 Gas Train Assembly, Part Numbers(Models 3500 and 4000)............................... 11413.B.13 Waterway Outlet Assembly, Part Numbers .. 116