Install Instructions

ManualsBrandsAO Smith ManualsCommercial Water Heaters100 Gallon - 199,000 BTU Cyclone Mxi ASME Commercial Gas Water Heater

Table Of Contents

Safe Installation, Use and Service
APPROVALS
General Safety Information
- Precautions
- Grounding Instructions
- Hydrogen Gas Flammable
Introduction
- Abbreviations Used
- Qualifications
- iCOMM™ & BACnet Compatible
- Preparing For The Installation
Features And Components
- Basic Operation
- Modulation
- Blower/Burner Assembly Detail
- Top View
- Side Views
Installation Considerations
- Rough In Dimensions
- Locating The Water Heater
- Extended Vent Terminations
- Optional Concentric & Low Profile Terminations
- Hard Water
- Circulation Pumps
- Insulation Blankets
Installation Requirements
- Gas Supply Systems
- Supply Gas Regulator
- Power Supply
- Mixing Valves
- Dishwashing Machines
- Closed Water Systems
- Thermal Expansion
- Temperature-Pressure Relief Valve
- Condensate Drain
- Combustible Material Storage
- Contaminated Air
- Air Requirements
- Unconfined Space
- Confined Space
- Fresh Air Openings For Confined Spaces
- Outdoor Air Through Two Openings
- Outdoor Air Through One Opening
- Outdoor Air Through Two Horizontal Ducts
- Outdoor Air Through Two Vertical Ducts
- Air From Other Indoor Spaces
Installation Requirements - Commonwealth of Massachusetts
Venting Installation
- General Venting Information
- General Venting Instructions
- Intake Air Connection
- Venting Requirements
- Venting Installation Sequence
- Power Vent Installation
- Direct Vent Installation
- Vertical Termination Installation
- Sidewall Termination Installation
- Polypropylene Installations
- Al29-4C® Vent Installations
- Concentric Termination Installation
- 4 Inch Concentric Termination Installation
- Low Profile Vent installation
- Venting Arrangements
- Termination Clearances Sidewall Power Vent
- Termination Clearances Sidewall Direct Vent
Water Heater Installation
- Condensate Drain Installation
- Supply Gas Line Installation
- Gas Line Leak Testing
- Purging
- Electrical Wiring
- Enable / Disable Circuit (For Building Management Systems)
- Water Line Connections
- T&P Valve Discharge Pipe
Temperature Regulation
- High Temperature Limit Control (ECO)
- Thermostat Control
Control System Operation
- Overview
- Control System Navigation
- User Settings & Control System Menus
Start Up
- Prior to Start up
- Initial Start Up
- Lighting & Operation Labels
- Checking The Firing Rate
- High Altitude Installations
Troubleshooting
- Installation Checklist
- Sequence Of Operation
- Sequence Of Operation Flow Chart
- Operational Problems
- Fault And Alert Conditions
Maintenance
- General
- Maintenance Schedule
- Draining And Flushing
- Filling The Water Heater
- Sediment Removal
- Lime Scale Removal
- Powered Anode Rods
- Drain Valve and Access Panels
- Vent System
Diagrams
- CCB - Central Control Board Layout
- Wiring Diagram
- Circulation Pump Wiring Diagrams
- Water Piping Diagrams
notes
notes
notes
Service Inquiries:
Commercial
Water Heater
Limited Warranty

VENTING ARRANGEMENTS

Direct Vent Vertical Concentric

Figure 48

Direct Vent Horizontal Concentric

Figure 49

Direct Vent Horizontal Low Prole

Figure 50