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Lennox International Inc
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Boiler
Lennox International Inc
GWB8-299E-2 Integrated High Limit Electronic Ignition Control
Models:
GWB8-299E-2
GWB8-245E-2
GWB8-280E-2
Gas-Fired Hot Water Boiler
GWB8-262E-2
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Troubleshooting
Install
Wiring Diagrams
Vent Damper Placement
Dimension
Connecting Supply And Return Piping
Lighting Procedure For Boiler With Intermittent Pilot System
Error
Adjust Pilot Burner
Cleaning Your Boiler And Burners
Page 18
Image 18
11 - WIRING DIAGRAMS
Figure 14 - Integrated High Limit Electronic Ignition Control (240008781)
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Page 19
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Image 18
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Page 19
Contents
GAS-FIRED HOT WATER BOILERS
before installing
PRODUCT LITERATURE
INSTALLATION INSTRUCTIONS
INCH
1 - DIMENSIONS Figure 1 - Dimensions Table 1 - Dimensions
DIMENSIONS
BOILER MODEL NUMBER
2 - BOILER RATINGS AND CAPACITIES Table 2 - Ratings and Capacities
BOILERS FOR USE AT HIGH ALTITUDE
Used to address practices not related to personal injury
3 - TABLE OF CONTENTS
DANGER
DO NOT obstruct air openings to the boiler room
Minimum Clearances to Combustible
4 - INSTALLATION PROCEDURE
Table 3 - MINIMUM CLEARANCE DIMENSIONS
BOILER
5 - VENTILATION & COMBUSTION AIR
Table 4 - Minimum Room Volume, Indoor Air Only
Room Cubic Feet Volume
Input Mbh
Discharge line shall
6 - CONNECTING SUPPLY AND RETURN PIPING
Figure 2 - Safety Relief Valve
allow complete drainage of the valve and the discharge line
Figure 3 - Temperature Pressure Gauge
FOR USE WITH COOLING UNITS
Figure 4 - Typical Hot Water Piping Figure 5 - Chilled Water Piping
6 - CONNECTING SUPPLY AND RETURN PIPING
Figure 7 - BYPASS PIPING - CIRCULATOR ON RETURN
Bypass Piping Required For High Mass Large Water Content Systems
Figure 6 - BYPASS PIPING - CIRCULATOR ON SUPPLY
6 - CONNECTING SUPPLY AND RETURN PIPING
Check Your Chimney
Connecting The Vent Damper And Vent Connector
7 - CHIMNEY AND VENT PIPE CONNECTION
Chimney Sizing
Minimum Vent Pipe Clearance
Removing Existing Boiler From Common Venting System
7 - CHIMNEY AND VENT PIPE CONNECTION
Figure 10 - Vent Damper Position Indicator
Figure 8 - Vent Damper Installation
Figure 9 - Vent Damper Placement
Vent Damper Manual Operation
Do not try to light any appliance
WHAT TO DO IF YOU SMELL GAS
9 - GAS SUPPLY PIPING
If you cannot reach your gas supplier, call the fire department
ELECTRIC POWER SUPPLY
10 - ELECTRICAL WIRING
VENT DAMPER WIRING
THERMOSTAT INSTALLATION
11 - WIRING DIAGRAMS
Figure 12 - Integrated High Limit Electronic Ignition Control
Inducer is not an option
Figure 13 - Integrated High Limit Electronic Ignition Control
11 - WIRING DIAGRAMS
Figure 14 - Integrated High Limit Electronic Ignition Control
11 - WIRING DIAGRAMS
12 -GENERAL INSTRUCTIONS
Never run water in a hot empty boiler
FILLING SYSTEM WITH WATER
For Your Safety, Read Before Operating
service technician to inspect appliance and to
LIGHTING PROCEDURE FOR BOILER WITH INTERMITTENT PILOT SYSTEM
13 - LIGHTING INSTRUCTIONS
ADJUST PILOT BURNER
SAFETY PILOT
GAS VALVE SAFETY SHUTDOWN TEST
ADJUST LIMIT CONTROLS
CHECK THERMOSTAT OPERATION
14 - OPERATING YOUR BOILER
15 - MAINTAINING YOUR BOILER
SAFETY RELIEF VALVE
CLEANING YOUR BOILER AND BURNERS
BURNERS
Controls out of adjustment
16 - SERVICE HINTS
No electric power to boiler
Reset according to instructions
DIAPHRAGM TYPE EXPANSION TANK
17 - EQUIPMENT AND OPTIONAL ACCESSORIES
WATER TEMPERATURE CONTROL
AIR ELIMINATING FITTING AIR PURGER
ROLLOUT SWITCH FLAME ROLLOUT SAFETY SHUTOFF
17 - EQUIPMENT AND OPTIONAL ACCESSORIES
BLOCKED VENT SAFETY SWITCH BLOCKED VENT SAFETY SHUTOFF
APPENDIX A - CONTROL MODULE
A.1 Installation Environment Considerations
A.3 Adjusting Settings
Do not use corrosive chemicals around or on module or gas control
APPENDIX A - CONTROL MODULE
A.5 Operation
Table 6 - Operation State Codes
State
A.8 Troubleshooting Error Codes
A.6 Boiler High Limit Temperature Controller
A.7 Troubleshooting
Figure 20 - Basic Control Algorithm Example
Definition
APPENDIX A - CONTROL MODULE Table 7 - Troubleshooting Error Codes
Error
A.9 Intermittent Pilot
Figure 19 - Troubleshooting Pilot Flame
Correct Pilot Flame 3/8 to 1/2 inch in flame. See Figure 16, Page
APPENDIX A - CONTROL MODULE
ECR International, Inc
PRODUCT LITERATURE
Lennox Industries Inc. Dallas, Texas
Manufactured by
