Burnham ES2 manual Internal Wiring, Figure IW-2 Wiring Schematic

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Internal Wiring (continued)

Figure IW-2: Wiring Schematic

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Contents ES2 Page Whats in the crate? Specifications ES2 SeriesSpecifications Boiler Quick-Start InstallationAppendices Unpack the Crate Position the BoilerProvide Combustion Air Connect VentingES2 Vent Connector Horizontal Length Restrictions ft Connect VentingConnect Gas Piping Connect Boiler Water PipingConnect Boiler Water Piping Description Burnham Part NumberConnect Electrical Wiring Using IQ Boiler Control Display Viewing the Operating Mode OptionsOperating Mode Options Status Code Displayed in STA ModeChanging the Adjustable Parameters More Information about Adjustable ParametersUsing the IQ Option Panel Adjustment Mode OptionsUsing the Optional LCD Display Kit Check for Gas and Water LeaksPerform Startup Checks and Adjustments Boiler restartsAnnual Maintenance Checklist Troubleshooting IQ Boiler Control Status Codes when Err is not displayedTroubleshooting IQ Boiler Control Error Codes when Err is flashingIQ Option Panel Display Shows ERR Display Status Boiler / Control ActionsRepair Parts List Repair Parts List Burner Orifices LP Gas 1.20mm IQ Boiler Control Jacket Vestibule Panel Supply Water Manifold Internal Wiring Figure IW-1 Wiring DiagramInternal Wiring Figure IW-2 Wiring SchematicFigure IW-3 Single Zone System with Domestic Hot Water Tank Figure IW-5 Multiple Zone System with Zone Valves Figure IW-7 Multiple Zone System with Zone Valve Panel Appendix a Combustion Air Combined appliance Input BTU/hrAppendix B Venting Figure B-1 Typical Atmospheric Vent Installation This page Intentionally Left Blank Appendix C Gas Piping Length W.c. Pressure Drop FeetAppendix C Gas Piping Appendix D System PipingAppendix D System Piping Hot Water Boilers, Non-CondensingFigure D-0 Piping Schematic Symbols Figure D-W1 Water Boiler, Series Loop Figure D-W3 Water Boiler, Tankless Coil, Two or More Zones Figure D-W5 Water Boiler, Indirect Water Heater Appendix E Filling the System and Checking for Leaks Confirm that the boiler and system have no water leaksAppendix F Adjusting Gas Input Rate Natural Gas BoilersAppendix F Adjusting Gas Input Rate LP/Propane Gas BoilersLeak Test Gas Piping Table F-1 Gas Flow Rate in Cu. Ft. / HrAppendix G Checking Draft and Combustion Appendix H iq control system IQ Control System OverviewIQ Boiler Control IQ Option PanelAppendix H IQ Control System IQ Display Kit EnviraCOM ThermostatsAppendix H IQ Control System System Parts List Additional Information ListFactory Mounted Components Optional ComponentsService Record Limited Warranty