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TABLE OF CONTENTS
PRODUCT AND SAFETY INFORMATION .......................................................................... XI
CHAPTER 1 - PRE-INSTALLATION REQUIREMENTS
........................................................ 1
1.1. EXALT Boilers - Code Compliance ................................................................................................ 1
1.1.1 Code Restrictions .................................................................................................................. 1
1.1.2 Operating Restrictions .......................................................................................................... 1
1.2. Determining Product Location ....................................................................................................... 2
1.3. Boiler Freeze Protection Feature ...................................................................................................2
1.4. Boiler Replacement.........................................................................................................................2
1.5. Recommended Clearances ............................................................................................................3
1.6. Residential Garage Installations ....................................................................................................3
CHAPTER 2 - COMBUSTION AIR & VENTING ...................................................................5
2.1. Combustion Air Contamination .....................................................................................................5
2.2. Ventilation and Combustion Air Requirements - Direct Vent ......................................................6
2.3. Ventilation and Combustion Air Requirements - Category IV .....................................................6
2.4. Methods of Accessing Combustion Air Into A Space - Category IV ...........................................7
2.4.1. Indoor Combustion Air ..........................................................................................................7
2.4.2. Outdoor Combustion Air.......................................................................................................7
2.4.3 Combination of Indoor and Outdoor Combustion Air ......................................................8
2.5. Combustion Air and Vent Piping ....................................................................................................8
2.6. Removal of an Existing Boiler from a Common Vent System ......................................................9
2.7. Carbon Monoxide Detector Installation ......................................................................................10
2.8. Commonwealth of Massachusetts Installation Requirements .................................................10
2.8.1 Installation of Carbon Monoxide Detectors. ...................................................................... 10
2.8.2 Approved Carbon Monoxide Detectors. ...........................................................................10
2.8.3 Signage .................................................................................................................................11
2.8.4 Inspection. ............................................................................................................................ 11
2.8.5 Manufacturer Requirements - Gas Equipment Venting System Provided. ....................11
2.8.6 Manufacturer Requirements - Gas Equipment Venting System Not Provided. .............11
CHAPTER 3 - UNIT PREPARATIONS ................................................................................ 13
3.1. Handling Instructions ................................................................................................................... 13
3.2. Wall Mounting Installation ............................................................................................................13
3.3. Accessories ...................................................................................................................................13
3.4. Wall Mounting Guidelines ............................................................................................................. 14
3.5. Stud Walls - Installation ...............................................................................................................14
3.6. Wall Bracket Installation - Solid Walls .......................................................................................... 14
3.7. Boiler Mounting ............................................................................................................................. 14