A.O. Smith 500 Manuals

Manuals and User Guides for A.O. Smith 500. We have 4 A.O. Smith 500 manuals available for free PDF download: Instruction Manual, Service Handbook, User's Information Manual, Replacement Parts List Manual

A.O. Smith 500 Instruction Manual (77 pages)

COMMERCIAL GAS WATER HEATERS

Brand: A.O. Smith | Category: Water Heater | Size: 5.62 MB

Table of Contents
2
Safe Installation, Use and Service
3
Approvals
3
General Safety Information
4
Introduction
6
Abbreviations
6
Icomm
6
Preparing for the Installation
6
- Features and Components
  7
- Basic Operation
  7
- Modulation
  7
- Blower/Burner Assembly Detail
  7
- Top View
  8
- Components
  8
- Side Views
  9
- Installation Considerations
  10
- Rough in Dimensions
  10
- Locating the Water Heater
  11
- Extended Vent Terminations
  11
- Clearance to Combustile Materials
  11
- Service Clearance
  11
- Hard Water
  12
- Optional Direct Vent Terminations
  12
Insulation Blankets
12
- Installation Requirements
  13
- Gas Supply Systems
  13
- Power Supply
  13
Supply Gas Regulator
13
Polypropylene Installations
27
Water Heater Installation
38
Supply Gas Line Installation
39
- Electrical Wiring
  40
- Gas Line Connection
  40
Gas Line Leak Testing
40
Purging
40
- Water Piping Diagrams
  41
- Connecting an External Supervisory Control
  41
- Water Line Connections
  41
- Enable/Disable Circuit
  41
- T and P Valve Discharge Pipe
  42
- Thermometers
  42
- Water Heating and Space Heating
  42
- Temperature Regulation
  43
- High Temperature Limit Control
  43
- Thermostat Control
  43
- High Temperature Applications
  43
- The Desktop Screen
  44
- Control System Navigation
  44
- Overview
  44
- Control System Operation
  44
- Status Icons
  45
- Operating States
  46
- Control System Menus
  46
- User Settings and Control System Menus
  47
- Temperatures Menu
  47
- Heater Status Menu
  48
- Display Settings
  49
- Heater Information
  49
- Restore Factory Defaults
  50
- Fault History
  50
- Fault Occurence
  50
- Current Fault
  50
- Service Contact Information
  51
- Filling the Water Heater
  52
- Initial Start up
  52
- Required Test Equipment
  52
Prior to Start up
52
- Operating Instructions
  53
- To Turn off Gas to Appliance
  53
- For Your Safety Read before Lighting
  53
- Lighting and Operation Label
  53
- Checking the Firing Rate
  54
- Supply Gas Pressure Adjustment
  54
- Multiple Appliance Installations
  54
- To Turn off Gas Supply
  54
- High Altitude Installations
  55
- Troubleshooting
  56
- Installation Checklist
  56
- Sequence of Operation
  56
- Sequence of Operation Flow Chart
  57
- Operational Problems
  58
- Fault and Alert Conditions
  59
- Fault and Alert Messages
  60
- Maintenance Schedule
  62
- Draining and Flushing
  62
- Precautions
  62
General
62
- Sediment Removal
  63
- Manual Lime Scale Removal
  63
- Chemical Lime Scale Removal
  63
- To Flush the Tank
  63
Filling the Water Heater
63
- Vent System
  64
- Figure
  64
- Powerred Anode Rods
  64
- Temperature-Pressure Relief Valve Test
  64
- Drain Valve and Access Panels
  64
- Diagrams
  65
- Central Control Board Layout
  65
- Wiring Diagram
  66
- Circulation Pump Wiring Diagram
  67
- Storage Tank or Building Recirculation
  67
- Dishwasher Loop with Toggle Switch
  67

A.O. Smith 500 Service Handbook (56 pages)

COMMERCIAL GAS HIGH EFFICIENCY WATER HEATERS BTH 120 THRU 500 SERIES 200/201

Brand: A.O. Smith | Category: Water Heater | Size: 6.51 MB

Table of Contents
2
Introduction
3
- Qualifications
  3
- Service Warning
  3
- Service Reminder
  3
- Tools Recommended
  3
Installation Considerations
4
- Instruction Manual
  4
- Closed Water Systems
  4
- Thermal Expansion
  4
- Air Requirements
  4
- Contaminated Air
  4
Features and Components
5
Sequence of Operation Flow Chart
7
1 Low Gas Pressure

8
- Fault and Warning Codes
  8
- Gas Pressure Specifications
  8
- High Altitude
  8
- Gas Supply Systems
  9
- Supply Gas Regulator
  9
- Gas Pressure Test
  10
2 Blower Operation Error

12
- Pressure Switches
  12
- Control System Monitoring
  12
- Pressure Switch Tests
  13
- Continuity Test During Standby
  13
- Continuity Test During Operation
  14
- Pressure Test During Operation
  14
- Pressure Switch Settings
  15
3 Blower Prover Open

17
4 Ignition Failure

18
5 Blocked Air Intake

21
6 Blocked Exhaust

22
7 Flame Sensor Error

23
- Gas Control Valve
  23
- Gas Control Valve Voltage Tests
  24
- Flame Sensor
  25
- Flame Sensing Operation
  25
- Flame Sensing Current Test
  26
8 No Water

27
- Powered Anodes
  27
- Power Anode Cleaning and Removal
  27
9 Anode Shorted

29
10 Temperature Probe Short (Upper or Lower)

30
- Temperature Probe
  30
- Temperature Sensor Test
  31
- ECO Continuity Test
  31
11 Temperature Probe Open (Upper or Lower)

33
- Venting
  34
  - General Venting Information
    34
- Intake Air Connection
  35
- Electrical Connections - All Models
  36
  - Electrical Wiring
    36
  - Power Supply Connections
    36
  - Enable/ Disable Switch
    37
  - Power Supply Test
    37
- Installation Check List
  38
- Operation and Service
  39
  - How It Works
    39
  - Combustion Blower
    39
  - Modulation
    39
- Blower Speed Control - Bth 300 Thru 500
  41
- Variable Frequency Drive - Bth 300 Thru 500
  42
- Burner Assembly
  43
- Combustion Blower and Burner Removal/ Installation Instructions
  44
- Spark Igniter
  45
- Gas Orifice - Bth 300 Thru 500 Models
  47
  - Orifice Chart - BTH 300 Thru 500 Models
    47
- Ccb (Central Control Board)
  48
- Wiring Diagram - Bth 120 Thru 250
  53
- Wiring Diagram - Bth 300 Thru 500
  54
- Control Overview
  55

A.O. Smith 500 User's Information Manual (24 pages)

SERIES 400, 401, 402, 403, 404, 405, 2-STAGE UNITS

Brand: A.O. Smith | Category: Water Heater | Size: 0.39 MB

A.O. Smith 500 Replacement Parts List Manual (12 pages)

COMMERCIAL POWER BURNER BOILER SERIES: 300 - 301

Brand: A.O. Smith | Category: Boiler | Size: 0.4 MB

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A.O. Smith 500 Manuals

A.O. Smith 500 Instruction Manual (77 pages)

Table of Contents

A.O. Smith 500 Service Handbook (56 pages)

Table of Contents

1 Low Gas Pressure

2 Blower Operation Error

3 Blower Prover Open

4 Ignition Failure

5 Blocked Air Intake

6 Blocked Exhaust

7 Flame Sensor Error

8 No Water

9 Anode Shorted

10 Temperature Probe Short (Upper or Lower)

11 Temperature Probe Open (Upper or Lower)

A.O. Smith 500 User's Information Manual (24 pages)

Table of Contents

A.O. Smith 500 Replacement Parts List Manual (12 pages)

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