A.O. Smith 500A Manuals

Manuals and User Guides for A.O. Smith 500A. We have 1 A.O. Smith 500A manual available for free PDF download: Owner's Manual

A.O. Smith 500A Owner's Manual

A.O. Smith 500A 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

Table of Contents

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

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