Table of Contents
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Table of Contents
Related Manuals for American Standard RU 75-76
Summarization of Contents
General Safety Warnings
Flammable Vapors Hazard
Warning against storing or using flammable liquids and vapors near the water heater.
High Temperature Hazard
Caution that water temperatures over 125°F can cause severe burns or death.
Spa and Hot Tub Use Restriction
Notice that this water heater should not be used to heat a spa or hot tub.
Specific Hazard Warnings
Burn Hazard Warning
Alerts to severe burns from water temperatures over 125°F, especially for vulnerable groups.
Fire Hazard Warning
Instructions to prevent fire risks, including proper installation and avoiding flammable materials.
Explosion Hazard Warning
Warns about potential water tank explosions due to overheating.
Carbon Monoxide Hazard
Highlights the danger of breathing carbon monoxide gas, which can cause brain damage or death.
Warranty and Consumer Responsibilities
Warranty Limitations
Details conditions under which the manufacturer's warranty may be voided.
Consumer Responsibilities
Outlines user duties for installation, operation, and maintenance of the water heater.
Gas Safety - Smell Gas Procedures
Provides critical steps to follow if gas odor is detected.
Installation Guidelines and Requirements
General Installation Notes
General advice and important information before proceeding with installation.
Location and Clearance Requirements
Specifies proper placement and required clearances for installation.
Alcove and Combustible Floor Installation
Guidance for installing the unit in alcoves or on combustible flooring.
Air Supply and Venting
Combustion and Ventilation Air
Details requirements for adequate air supply for combustion and ventilation.
Draft Hood and Flue Damper Installation
Instructions for installing the draft hood and flue damper.
Venting System Installation and Inspection
Guidelines for proper vent system installation and periodic inspection.
Piping and Connections
Draft Diverter and Vent Piping
Information on connecting the draft diverter to the vent piping.
Water Connections
Procedure for connecting the hot and cold water supply lines.
Gas Piping Installation
Instructions for installing the gas supply piping.
Typical Installation Diagrams
Single Commercial Gas Model
Illustrates a typical installation for a single commercial gas model.
Top Connections with Return Circulation
Diagram showing top connections with a return circulation setup.
Air Supply Options
All Air From Outdoors
Requirements for supplying combustion air directly from outdoors.
All Air From Inside Building
Requirements for supplying combustion air from an adjacent room.
Safety Precautions and Component Details
Discharge of Purged Gases Safety
Safety advice for discharging purged gases from piping systems.
Vent Pipe System
Guidelines for connecting and maintaining the vent pipe system.
L.P. Gas Unit Installation Safety
Specific safety warnings for installing units designed for L.P. gas.
Anodes and Multiple Heater Installation
Information on anode rods and guidelines for installing multiple heaters.
Specific Installation Configurations
Top Connect Only Installation
Illustrates installations using only top connections for heaters.
Temperature and Pressure Relief Valve Installation
Details on installing the safety relief valve and its discharge line.
Electrical, Filling, and Pre-Operation Checks
Electrical Connections and Junction Box
Instructions for electrical hookup, including the junction box.
Filling Heater with Water
Procedure for filling the water heater tank before operation.
Installation Checklist
A comprehensive checklist to ensure all installation steps are completed.
System Diagrams and Operation
Wiring Diagram
Schematic showing the electrical wiring connections for the unit.
Damper Operation Sequence
Explains the sequence of operation for the flue damper.
Water Heater Operation
Describes the operational sequence, including pilot and main burner ignition.
Gas Type Specifics and Maintenance
Natural Gas Model Safety
Safety guidelines specific to natural gas models, including smell gas procedures.
L.P. Gas Model Safety and Handling
Safety guidelines specific to L.P. (propane) gas models.
Tank Cleaning and Maintenance
Procedure for cleaning the water heater tank and periodic maintenance.
Return to Operation and Vacation
Instructions for returning the heater to operation and preparing for vacation.
Operating Procedures and System Checks
Combination Heating System Use
Guidelines for using the heater in a combination heating system.
Venting System Inspection
Instructions for inspecting the venting system for proper function.
Condensation Explained
Explanation of condensation formation and its normalcy.
Pre-Operation Safety Reading
Mandatory safety reading before operating the appliance.
Operating Instructions
Step-by-step guide for starting and operating the water heater.
Control Adjustments and Maintenance
Turning Off Gas Supply
Procedure for safely turning off the gas supply to the appliance.
Temperature Controls and Limits
Instructions for regulating water temperature and understanding safety limits.
Gas Pressure and Emergency Shutdown
Information on gas pressure requirements and emergency shutdown procedures.
Burner and Pilot Maintenance
Guidance on performing routine maintenance on the burner and pilot assembly.
Troubleshooting Common Issues
Water Heater Sounds
Explanation of normal and abnormal sounds produced by the water heater.
Draining the Water Heater
Procedure for draining the water heater tank for maintenance or storage.
Common Complaints and Remedies
A list of common problems with suggested solutions.
Parts and Advanced Troubleshooting
Troubleshooting Continued
Further troubleshooting guidance for operational issues.
Replacement Parts List
A comprehensive list of available replacement parts for the unit.
Ordering Replacement Parts
Information and requirements for ordering replacement parts.
Component and System Diagrams
Replacement Parts Illustration
Diagram showing the location of various replacement parts.
Standard Model Diagram
A diagram illustrating the standard model of the water heater.
Combination Heating System Piping Diagram
Diagram showing piping for a combination heating and water system.
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