Contents
Instruction Manual
For Your Safety
whenever maintenance adjustment or service is required
RESIDENTIAL GAS WATER HEATERS
table of contents
safe installation, use and service
APPROVALS
DANGER
Explosion Hazard
general safety information
Precautions
Improper installation, use and service may result in property damage
general safety information
Electrical Shock Hazard
General Safety Information
Fire or Explosion Hazard
Breathing Hazard - Carbon Monoxide Gas
Qualifications
Preparing For The Installation
introduction
Abbreviations Used
Control Assembly
features and components
REPLACEMENT PARTS AND DELIMING PRODUCTS
Get To Know Your Water Heater - Gas Models
Table 2 - Capacity, Gas and Electrical Characteristics
installation consideration
Rough In Dimensions
Table 1 - Rough-In-Dimensions
Locating The Water Heater
Property Damage Hazard
Combustion Air and Ventilation
Insulation Blankets
Unconfined Space
Outdoor Air Through One Opening
Confined Space
Fresh Air Openings For Confined Spaces
Outdoor Air Through Two Openings
Air From Other Indoor Spaces
Outdoor Air Through Two Horizontal Ducts
Water Piping
installing the new water heater
Power Supply
Chemical Vapor Corrosion
Time to Produce 2nd & 3rd
Mixing Valves
Dishwashing Machines
Space Heating and Potable Water System
Closed Water Systems
Thermal Expansion
T & P Valve and Pipe Insulation if supplied
T&P Valve Discharge Pipe Requirements
Water Damage Hazard
Explosion Hazard
Temperature-Pressure Relief Valve
SEDIMENT TRAPS
Gas Piping
Supply Gas Regulator
Condensate Piping
Filling the Water Heater
High Altitude Installations
VENT PIPE TERMINATION
Venting
If using 2” inch vent pipe
If using 3” inch vent pipe
VENT TERMINAL INSTALLATION, SIDEWALL
INSTALLATION OF VENT SYSTEM
Approved Carbon Monoxide Detectors
Installation Requirements - Commonwealth of Massachusetts
Installation of Carbon Monoxide Detectors
Commonwealth of Massachusetts
POWER VENT
Termination Clearances Sidewall Power Vent
Termination Clearances Sidewall Direct Vent
Figure 15B
Installation Sequence
SEQUENCE OF INSTALLATIONS, FIGURE 15A
Vent Termination - Figure 15A DIRECT VENT terminal installation
Flat Roof Installation
VERTICAL VENT TERMINAL INSTALLATION
Table 6 - KIT COMPONENTS
Concentric vent installation
SAFETY CONSIDERATIONS
INSTALLATION PROCEDURE 1 ROOF TERMINATION, see Figure
CONCENTRIC TERMINATION FLAT ROOF CLEARANCE
PROCEDURE 2 SIDE WALL TERMINATION, see Figure
Figure 23A
MULTI-CONCENTRIC VENT TERMINATIONS
direct vent diagram
2. SELECTION OF MATERIALS
Vent Pipe Preparation
RECOMMENDED BRUSH* SIZE FOR PRIMER AND CEMENT APPLICATIONS
1. INITIAL PREPARATION
B. Deburring
D. Inspection, cleaning, priming
STEP E F. Joint assembly
STEP F G. Cleanup and joint movement
BLOCKED INTAKE SWITCH
Controls and Switches
BLOWER PROVER SWITCH
BLOCKED EXHAUST SWITCH
ELECTRICITY TO THIS HEATER BE CERTAIN THAT SUPPLY NEUTRAL
Power Vent Wiring Schematic - Figure
WIRE TO GROUND CHECK INDICATES ZERO VOLTAGE
THIS WATER HEATER IS POLARITY SENSITVE BEFORE APPLYING
WARNING TURN OFF ALL ELECTRIC POWER BEFORE SERVICING
FOR YOUR SAFETY READ BEFORE LIGHTING
OPERATING INSTRUCTIONS
TO TURN OFF GAS TO APPLIANCE
2nd & 3rd Degree
temperature regulation
HI LIMIT SWITCH ECO
Time to Produce
120F
adjust user settings
control system operation
Operating Set Point
Icon
Description
Status Icons
Control System Menus
State
Menu
Operating States
Main Menu
User Settings & Control System Menus
MENU
HELP
Heater Status
140F
Backlight Delay
Display Settings
Heater Information
Temperature Units
Blocked Exhaust
Fault History
Fault Occurrence
Restore Factory Defaults
Current Contact Info
Service Contact Information
Show Contact Information
Change Contact Name
SMOKE/ODOR
for your information
Start Up Conditions
Operational Conditions
Temperature-Pressure Relief Valve Operation
periodic maintenance
Venting System Inspection
Anode Rod Inspection
Keep hands clear of drain valve discharge
Service
Draining and Flushing
Burn harzard Hot water discharge
Temperature-Pressure Relief Valve Test
maintenance
leakage checkpoints
Venting
troubleshooting
Installation Checklist
Water Heater Location
YESNO
Sequence Of Operation Flow Chart
Replacement Parts
Operational Problems
Fault and Alert Conditions
Burn Hazard
Electrical Shock Hazard
Resetting Control System Lock Outs
Diagnostic Checks
Blocked Exhaust
AC Reversed
Ignition Failure
Low Igniter Current
Energy Cut Out ECO
Blower Prover Failure
Blower Prover Open
Blocked Air Intake
Page
Page
Page
CONDITIONS AND EXCEPTIONS
LIMITED RESIDENTIAL GAS WARRANTY
SERVICE AND LABOR RESPONSIBILITY
CLAIM PROCEDURE
American Water Heater Product Service and Support
PO Box 1597, 500 Princeton Road Johnson City, TN
Copyright 2011 American Water Heaters. All rights reserved