Manuals / Lennox International Inc / Household Appliance / Boiler

Lennox International Inc GWB8-280E-2, GWB8-262E-2 Wiring Diagrams, Inducer is not an option

Models: GWB8-299E-2 GWB8-245E-2 GWB8-280E-2 Gas-Fired Hot Water Boiler GWB8-262E-2

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11 - WIRING DIAGRAMS

Figure 12 - Integrated High Limit Electronic Ignition Control (240008781)

!WARNING

Modiﬁcation, substitution or elimination of factory equipped, supplied or speciﬁed components may result in personal injury or loss of life.

Inducer is not an option.

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Lennox International Inc GWB8-280E-2, GWB8-262E-2 Wiring Diagrams, Integrated High Limit Electronic Ignition Control

Contents

before installing PRODUCT LITERATUREGAS-FIRED HOT WATER BOILERS INSTALLATION INSTRUCTIONS1 - DIMENSIONS Figure 1 - Dimensions Table 1 - Dimensions DIMENSIONSINCH BOILER MODEL NUMBER2 - BOILER RATINGS AND CAPACITIES Table 2 - Ratings and Capacities BOILERS FOR USE AT HIGH ALTITUDE3 - TABLE OF CONTENTS DANGERUsed to address practices not related to personal injury DO NOT obstruct air openings to the boiler room4 - INSTALLATION PROCEDURE Table 3 - MINIMUM CLEARANCE DIMENSIONSMinimum Clearances to Combustible BOILERTable 4 - Minimum Room Volume, Indoor Air Only Room Cubic Feet Volume5 - VENTILATION & COMBUSTION AIR Input Mbh6 - CONNECTING SUPPLY AND RETURN PIPING Figure 2 - Safety Relief ValveDischarge line shall allow complete drainage of the valve and the discharge lineFigure 3 - Temperature Pressure Gauge FOR USE WITH COOLING UNITSFigure 4 - Typical Hot Water Piping Figure 5 - Chilled Water Piping 6 - CONNECTING SUPPLY AND RETURN PIPINGBypass Piping Required For High Mass Large Water Content Systems Figure 6 - BYPASS PIPING - CIRCULATOR ON SUPPLYFigure 7 - BYPASS PIPING - CIRCULATOR ON RETURN 6 - CONNECTING SUPPLY AND RETURN PIPINGConnecting The Vent Damper And Vent Connector 7 - CHIMNEY AND VENT PIPE CONNECTIONCheck Your Chimney Chimney SizingRemoving Existing Boiler From Common Venting System Minimum Vent Pipe Clearance7 - CHIMNEY AND VENT PIPE CONNECTION Figure 8 - Vent Damper Installation Figure 9 - Vent Damper PlacementFigure 10 - Vent Damper Position Indicator Vent Damper Manual OperationWHAT TO DO IF YOU SMELL GAS 9 - GAS SUPPLY PIPINGDo not try to light any appliance If you cannot reach your gas supplier, call the ﬁre department10 - ELECTRICAL WIRING VENT DAMPER WIRINGELECTRIC POWER SUPPLY THERMOSTAT INSTALLATIONFigure 12 - Integrated High Limit Electronic Ignition Control 11 - WIRING DIAGRAMSInducer is not an option Figure 13 - Integrated High Limit Electronic Ignition Control 11 - WIRING DIAGRAMSFigure 14 - Integrated High Limit Electronic Ignition Control 11 - WIRING DIAGRAMSNever run water in a hot empty boiler 12 -GENERAL INSTRUCTIONSFILLING SYSTEM WITH WATER service technician to inspect appliance and to LIGHTING PROCEDURE FOR BOILER WITH INTERMITTENT PILOT SYSTEMFor Your Safety, Read Before Operating 13 - LIGHTING INSTRUCTIONSSAFETY PILOT GAS VALVE SAFETY SHUTDOWN TESTADJUST PILOT BURNER ADJUST LIMIT CONTROLSCHECK THERMOSTAT OPERATION 14 - OPERATING YOUR BOILERSAFETY RELIEF VALVE CLEANING YOUR BOILER AND BURNERS15 - MAINTAINING YOUR BOILER BURNERS16 - SERVICE HINTS No electric power to boilerControls out of adjustment Reset according to instructions17 - EQUIPMENT AND OPTIONAL ACCESSORIES WATER TEMPERATURE CONTROLDIAPHRAGM TYPE EXPANSION TANK AIR ELIMINATING FITTING AIR PURGER17 - EQUIPMENT AND OPTIONAL ACCESSORIES ROLLOUT SWITCH FLAME ROLLOUT SAFETY SHUTOFFBLOCKED VENT SAFETY SWITCH BLOCKED VENT SAFETY SHUTOFF A.1 Installation Environment Considerations A.3 Adjusting SettingsAPPENDIX A - CONTROL MODULE Do not use corrosive chemicals around or on module or gas controlA.5 Operation Table 6 - Operation State CodesAPPENDIX A - CONTROL MODULE StateA.6 Boiler High Limit Temperature Controller A.7 TroubleshootingA.8 Troubleshooting Error Codes Figure 20 - Basic Control Algorithm ExampleAPPENDIX A - CONTROL MODULE Table 7 - Troubleshooting Error Codes ErrorDeﬁnition A.9 Intermittent PilotCorrect Pilot Flame 3/8 to 1/2 inch in ﬂame. See Figure 16, Page Figure 19 - Troubleshooting Pilot FlameAPPENDIX A - CONTROL MODULE PRODUCT LITERATURE Lennox Industries Inc. Dallas, TexasECR International, Inc Manufactured by