M3
CONDENSING WATER BOILER
2
34-1115 12/15
TABLE OF CONTENTS
1. Safety Considerations
2. Product Description
3. Boiler Installation
3.1 Checking Equipment Before You Install
3.2 Codes
3.3 Electrical Requirements
3.4 Handling and Locating the Boiler
3.5 Clearances to Combustible Surfaces
3.6 Service Clearances
3.7 Other Codes and Regulatory Clearances and Requirements
4. General Piping Guidelines
4.1 Supply and Return Connections
4.2 Sensor Locations and Thermal Well
4.3 Filler the boiler
4.4 Building Return Temperature
5. Condensate Drain, Trap & Disposal
5.1 Condensate Neutralization System (optional)
6. Gas Supply and Piping
6.1 Gas Train and Controls Certification
6.2 Gas Control Trains
6.3 Inlet Pressure
6.4 Manifold Pressure
6.5 Gas Piping Size
6.6 Appliance Isolation During Gas Supply Piping Pressure Test
6.7 Gas Connection
7. Combustion and Ventilation Air
7.1 Equipment Located in Confined Spaces
7.2 Maximum Allowed Remote Combustion Air Inlet Length
7.3 Remote Combustion Air Cap
7.4 Vertical or Horizontal Remote Air Duct Termination
7.5 Combining Remote Air Ducting
7.6 Optional Filter Box for Dusty or Dirty Combustion Air
8. Venting
8.1 Vent Material Selection
8.2 Vent Installation – General
8.2.1 Maximum Vent Length (Equivalent length)
8.2.2 Vertical or Horizontal Vent Termination
8.2.3 Combining Category IV Vents
8.2.4 Connecting to an Existing Vent System
8.3 PVC Vent Installation
8.4 CPVC Vent Installation
8.5 Polypropylene or Stainless Steel Vent Installation
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