User's Manual
Table Of Contents
- WARNINGS
- BEFORE INSTALLATION
- GENERAL SAFETY
- INSTALLATION
- Installation Codes
- Equipment Base
- Stacking
- Clearances
- Combustion and Ventilation Air
- Conventional Combustion Air Supply
- Water Piping
- Hydronic Heating
- Gas Supply
- Electrical Power Connections
- Field Wiring Connection
- Venting
- Changing the Flue Outlet
- Venting Installation Tips
- Venting Configurations
- Controls
- Outdoor Installation
- Heater Sequence of Operations
- 87%-Efficiency Boilers –
- APPENDIX

WARNINGS 4
BEFORE INSTALLATION 5
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INSTALLATION 9
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START-UP 46
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OPERATION 50
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TROUBLESHOOTING 51
MAINTENANCE 52
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APPENDIX 54
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WARRANTIES 55
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Start-Up Checklist 57
Important Instructions for the
Commonwealth of
Massachusetts 58
CONTENTS










