User Manuals: A.O. Smith 400A Gas Water Heater

Manuals and User Guides for A.O. Smith 400A Gas Water Heater. We have 3 A.O. Smith 400A Gas Water Heater manuals available for free PDF download: Owner's Manual, Replacement Parts List Manual, Replacement Parts List

A.O. Smith 400A Owner's Manual (40 pages)

COMMERCIAL GAS WATER HEATER GAS-FIRED POWER BURNER FOR DOMESTIC HOT WATER

Brand: A.O. Smith | Category: Water Heater | Size: 1 MB

Rough-In Dimensions
2
Table of Contents
3
Water Temperature Control
3
Dishwashing Machine Requirement
5
High Limit Switch (E.C.O.)
5
Water Temperature Setpoint Adjustment Procedure
5
Circulating Pump
6
Installation Instructions
6
Venting
8
- Vent Pipe Termination
  11
- Direct Venting
  11
- Direct Vent Terminal Installation
  11
- Installation Sequence
  12
- Vertical Vent Terminal Installation
  12
- Installation of Vent System
  13
- Vent Pipe Preparation
  14
Controls and Switches
14
- Blower Prover Switch
  14
- Blocked Outlet Prover Switch
  14
- Blocked Inlet Prover Switch
  14
- Low Gas Pressure Switch
  14
- On/Off Switch
  14
- Hot Surface Igniter
  15
Gas Piping
15
- Connection of Gas Pipe
  15
- Purging
  16
- Gas Meter Size - City Gases Only
  16
- Gas Valves
  16
System Connections
16
- Thermometers
  16
- Relief Valve
  16
- Water Line Connections
  16
- Closed System
  16
- Water (Potable) Heating & Space Heating
  17
- Water (Potable) Heating and Space Heating
  17
Heater Wiring
17
- Sequence of Operation
  20
Electronic Control
20
- Overview
  20
- Operating States
  20
- Adjusting the Operating Set Point
  21
- Changing the Display Units
  22
- Fault and Warning Conditions
  22
- Access to the Current Fault or Warning
  23
- Viewing the Fault History
  24
- Viewing Information about the Heater
  24
Operating Instructions
25
- Adjustment Procedure (Initial Start-Up)
  25
- For Your Safety Read before Operating
  26
- Lighting Instructions
  26
- Cathodic Protection
  27
- Precautions
  27
Prior to Start-Up Required Ability
25
General Information
27
- Power Burner
  27
- High Limit
  27
- High Altitude Installations
  27
Maintenance
27
- General
  27
- Maintenance Schedule
  27
- Flushing
  28
- Draining
  28
- Sediment Removal
  28
- Lime Scale Removal
  28
- Powered Anode System
  29
- Drain Valve and Access Panels
  29
- Relief Valve
  29
- Vent System
  29
Installation Diagrams
30
- Multiple Unit Installations
  35
Checklist and Service Information
36
- Burner Operational Problems
  36
- Not Enough or no Hot Water
  36
- Water Is too Hot
  36
- Water Heater Makes Sounds
  36
Troubleshooting
36
Water Leakage Is Suspected
36
Motor will Not Run
37
Replacement Parts
38
Limited Warranty
39

A.O. Smith 400A Replacement Parts List Manual (8 pages)

A.O. Smith Commercial Tank Type Water Heater Replacement Parts List

Brand: A.O. Smith | Category: Water Heater | Size: 0 MB

A.O. Smith 400A Replacement Parts List (4 pages)

A.O. Smith Commercial Tank Type Water Heater Replacement Parts List

Brand: A.O. Smith | Category: Water Heater | Size: 0 MB

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User Manuals: A.O. Smith 400A Gas Water Heater

A.O. Smith 400A Owner's Manual (40 pages)

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A.O. Smith 400A Replacement Parts List Manual (8 pages)

Table of Contents

A.O. Smith 400A Replacement Parts List (4 pages)

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