A.O. Smith Gas Models Manuals

A.O. Smith Gas Models Manuals

Manuals and User Guides for A.O. Smith Gas Models. We have 1 A.O. Smith Gas Models manual available for free PDF download: Instruction Manual

A.O. Smith Gas Models Instruction Manual

A.O. Smith Gas Models Instruction Manual (60 pages)

resIdentIal Gas water heaters

Brand: A.O. Smith | Category: Water Heater | Size: 7 MB

Table of Contents

For Your Safety
1
Table of Contents
2
SAFE INSTALLATION, USE and Service
3
Approvals
3
General Safety Information
4
- Precautions
  4
- Grounding Instructions
  4
- Hydrogen Gas Flammable
  4
Troubleshooting
7
Introduction
7
Features and Components
8
Installation Consideration
9
- Rough in Dimensions
  9
- Locating the Water Heater
  10
- Insulation Blankets
  11
- Combustion Air and Ventilation
  11
- Unconfined Space
  11
  - Unusually Tight Construction
    12
- Confined Space
  12
  - Direct Vent Appliances
    12
  - Exhaust Fans
    12
  - Louvers and Grilles
    12
- Fresh Air Openings for Confined Spaces
  12
- Outdoor Air through Two Openings
  12
- Outdoor Air through One Opening
  12
- Outdoor Air through Two Horizontal Ducts
  13
- Air from Other Indoor Spaces
  13
Installing the New Water Heater
14
- Chemical Vapor Corrosion
  14
- Water Piping
  14
- Power Supply
  14
- Mixing Valves
  15
- Dishwashing Machines
  15
- Space Heating and Potable Water System
  15
- Closed Water Systems
  16
- Thermal Expansion
  16
- Temperature-Pressure Relief Valve
  17
  - T&P Valve Discharge Pipe Requirements
    17
- Gas Piping
  18
- Condensate Piping
  18
  - High Altitude Installations
    19
  - Sediment Traps (Drip Legs)
    19
- Filling the Water Heater
  19
- Venting
  20
- Installation Requirements - Commonwealth of Massachusetts
  22
- Termination Clearances Sidewall Power Vent
  23
- Termination Clearances Sidewall Direct Vent
  24
DIRECT Vent DIAGRAM
30
- Vent Pipe Preparation
  31
  - Primer
    31
  - Primer and Cement
    31
  - Applicators
    31
- Controls and Switches
  33
  - Blower Prover Switch
    33
  - Blocked Exhaust Switch
    33
  - Blocked Intake Switch
    33
  - On/Off Switch
    33
  - Hot Surface Igniter
    33
    
    Operating Instructions
    35
    
    To Turn off Gas to Appliance
    35
Temperature Regulation
36
- Hi Limit Switch (Eco)
  36
Control System Operation
37
- Overview
  37
  - Commercial and Residential Models
    37
- Control System Navigation
  37
  - User Input Buttons
    37
  - The Desktop Screen
    37
  - Status Icons
    38
  - Operating States
    39
  - Control System Menus
    39
- User Settings & Control System Menus
  40
  - Temperatures
    40
  - Operating Set Point and Differential Adjustment
    40
  - Temperatures (Cont)
    41
  - Heater Status
    41
  - Display Settings
    42
  - Heater Information
    42
  - Current Fault
    43
  - Fault History
    43
  - Fault Occurrence
    43
  - Restore Factory Defaults
    43
  - Service Contact Information
    44
For Your Information
45
- Start up Conditions
  45
  - Smoke/Odor
    45
  - Thermal Expansion
    45
- Operational Conditions
  45
  - Smelly Water
    45
  - Air" in Hot Water Faucet
    45
Periodic Maintenance
46
Maintenance
48
- Temperature-Pressure Relief Valve Test
  48
Leakage Checkpoints
49
Troubleshooting
50
- Installation Checklist
  50
  - Water Heater Location
    50
  - Venting
    50
  - Gas Supply and Piping
    50
  - Condensate Drain
    50
  - Electrical Connections
    50
- Sequence of Operation Flow Chart
  51
- Operational Problems
  52
  - Rough Starting, Rough Operation
    52
  - Momentary Ignition
    52
  - Not Enough or no Hot Water
    52
  - Water Is too Hot
    52
  - Noisy Operation
    52
  - Replacement Parts
    52
- Fault and Alert Conditions
  52
  - Fault Conditions
    52
  - Alert Conditions
    52
  - Resetting Control System Lock Outs
    53
  - Diagnostic Checks
    53
  - Fault and Alert Messages
    54
    
    Blower Prover Open
    55
    
    Blocked Air Intake
    55
Notes
56
Limited Warranty
59

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