A.O. Smith 300 Series Manuals

Manuals and User Guides for A.O. Smith 300 Series. We have 3 A.O. Smith 300 Series manuals available for free PDF download: Instruction Manual, Installation And Operating Manual, Installation & Operating Instructions Manual

A.O. Smith 300 Series Instruction Manual (68 pages)

RESIDENTIAL GAS WATER HEATERS. POWER VENT/POWER DIRECT VENT GAS MODELS WITH DIRECT SPARK IGNITION

Brand: A.O. Smith | Category: Water Heater | Size: 2.41 MB

Table of Contents
2
Safe Installation, Use and Service
3
Approvals
3
General Safety Information
4
Precautions
4
Limiting the Risk of Scalding
4
Grounding Instructions
4
Hydrogen Gas Flammable
4
Introduction
7
Abbreviations Used
7
Qualifications
7
Preparing for the Installation
7
Dimensions and Capacity Data
8
Rough in Dimensions
8
Features and Components
10
Controls and Switches
12
Powered Anode Rod
12
Installation Considerations
13
Locating the Water Heater
13
Insulation Blankets
14
Combustion Air and Ventilation
14
Installation Requirements
17
Chemical Vapor Corrosion
17
Water Piping
17
Power Supply
17
Dedicated Power Wiring and Breakers
17
Power Fluctuations and Electrical Noise
17
Thermostatic Point-Of-Use Mixing Valves
18
Gas Supply Systems
18
Gas Pressure Requirements
18
Supply Gas Regulator
19
Space Heating and Potable Water System
19
Solar Installation
19
Closed Water Systems
20
Thermal Expansion
20
Temperature-Pressure Relief Valve
20
T&P Valve Discharge Pipe Requirements
21
Condensate Piping
21
Condensate Ph Level
22
High Altitude Installations
22
Filling the Water Heater
22
Venting Installation
23
Vent Installation Considerations
23
Back-Flow Preventer
24
Polypropylene Installations
24
Vent Pipe Termination
24
Planning the Vent System
25
Installation of Horizontal through the Wall Vent System
25
Vent Terminal Installation, Sidewall
25
Direct Vent Terminal Installation
25
Direct Vent Air Intake Moisture Protection
26
Installation Sequence
26
Vertical Vent Terminal Installation
26
Flat Roof Installation
26
Sidewall Termination Direct Vent Clearances
28
Sidewall Termination Clearances Other than Direct Vent
29
Direct Vent Diagram
30
Concentric Vent Installation
31
Low Profile Termination Installation
33
Water Heater Installation
35
Condensate Drain Installation
35
Gas Piping
35
Sediment Traps
35
Temperature Regulation
38
High Temperature Limit Control (ECO)
38
Thermostat Control
38
High Temperature Applications
39
Control System Operation
40
Limiting the Risk of Scalding
40
Control System
40
Control System Navigation
40
User Input Buttons
40
Lock out Function
40
The Desktop Screen
40
User Settings & Control System Menus
43
For Your Information
50
Smoke/Odor
50
Thermal Expansion
50
Operational Conditions
50
Air in Hot Water Faucets
50
Start up
51
Prior to Start up
51
Lighting and Operation Labels
51
Periodic Maintenance
53
Venting System Inspection
53
Anode Rod Inspection
53
Temperature-Pressure Relief Valve Test
54
Draining and Flushing
55
Sediment Removal
55
Lime Scale Removal
55
Burner Flame Inspection
56
Service
56
Leakage Checkpoints
57
Troubleshooting
58
Installation Checklist
58
Water Heater Location
58
Venting
58
Gas Supply and Piping
58
Condensate Drain
58
Electrical Connections
58
Sequence of Operation
58
Operational Problems
60
Rough Starting, Rough Operation
60
Momentary Ignition
60
Not Enough or no Hot Water
60
Water Is too Hot
60
Noisy Operation
60
Replacement Parts
61
Fault and Alert Conditions
61
Fault and Alert Messages
62
Diagrams
64
Wiring Diagram
64
Central Control Board (CCB) Layout
65

A.O. Smith 300 Series Installation And Operating Manual (60 pages)

RESIDENTIAL GAS WATER HEATERS POWER DIRECT VENT GAS MODELS WITH HOT SURFACE IGNITION NOT FOR USE IN MANUFACTURED (MOBILE) HOMES

Brand: A.O. Smith | Category: Water Heater | Size: 2.4 MB

Table of Contents
2
Safe Installation, Use and Service
3
General Safety
4
Introduction
6
- Qualified Installer or Service Agency
  6
- Preparing for the Installation
  6
Installation Requirements for the Commonwealth of
7
Massachusetts
8
Typical Installation
9
Safety Lockouts
14
- High Limit Controls (Energy Cut Off)
  14
  - Thermostat/Water Temperature
    14
  - Blower High Limit Switch
    14
- Blower Air Pressure Switches
  14
Locating the New Water Heater
14
- Facts to Consider about the Location
  14
  - Clearances to Combustibles
    15
  - Floors with Carpeting
    15
  - Clearances for Servicing
    15
- High Ambient Temperature Installations
  15
  - Important Notes and Warnings
    16
- Insulation Blankets
  16
- Air Requirements
  16
Installing the New Water Heater
17
- Water Piping
  17
- Space Heating and Potable Water Systems
  17
- Combo Heating
  18
  - System Requirements
    18
  - Installation
    18
- Closed Water Systems
  19
- Thermal Expansion
  19
- Temperature-Pressure Relief Valve
  20
- High Altitude Installation
  21
- Gas Piping
  21
- Sediment Traps
  22
- Filling the Water Heater
  23
Venting
24
- Vent Kit
  24
- Termination Clearances (Side Wall)
  25
- Termination Types
  26
- Side Wall Vent Termination (Standard)
  26
- Roof Vent Termination (Standard)
  26
- Side Wall Vent Option for Cold Climates
  27
- Deluxe Horizontal Venting Kit
  28
- Pyramid" Vent Terminal
  28
- Mushroom" Vent Terminal
  28
  - Connections to the Air Box
    28
- Low Profile Side Wall Vent Termination
  30
  - Installation Procedure
    30
- Concentric Vent Termination
  31
- Multiple Concentric Vent Termination
  32
- Tee Termination (Sidewall & Roof)
  33
- Vent Pipe Material
  34
- Polypropylene Vent Systems
  34
- Vent Pipe Length and Sizing
  34
  - Vent Screens
    36
  - Vent Pipe Installation
    37
  - Vent Pipe Runs
    37
  - Vent Terminal Installations
    37
- Vent Pipe Preparation
  38
- Blower Assembly Installation
  40
  - Connections to the Blower and Air Duct
    41
- Condensate (Exhaust)
  42
- Condensate (Intake)
  42
- Installation Checklist
  43
Lighting Instructions
44
Operating the Temperature Control System
45
- Gas Control Valve/Thermostat
  46
For Your Information
47
- Start up Conditions
  47
  - Condensation
    47
  - Smoke/Odor
    47
  - Strange Sounds
    47
- Operational Conditions
  47
  - Smelly Water
    47
  - Air" in Hot-Water Faucets
    47
Periodic Maintenance
48
Leakage Checkpoints
52
- Service
  52
Reference Parts Listing
53
Troubleshooting Guidelines
55
- Lockouts
  55
  - Soft Lockout
    55
  - Hard Lockout
    55
- Resetting the Heater Control
  55
- Ignition State and Timing
  55
- System Status and Error Codes
  56
- Reading the LED Flash Sequence
  56
- Corrective Actions
  57
- Other Symptoms
  59

A.O. Smith 300 Series Installation & Operating Instructions Manual (20 pages)

COMMERCIAL GAS WATER HEATER Glass-Lined Tank-Type Water Heater

Brand: A.O. Smith | Category: Water Heater | Size: 0.36 MB

Rough-In Dimensions
2
Foreword
2
Table of Contents
3
General Safety Information
3
- Precautions
  3
- Chemical Vapor Corrosion
  3
- Improper Combustion
  3
- Liquid Petroleum Models
  3
- Extended Non-Use Periods
  4
- Insulation Blankets
  4
- Circulating Pump
  4
Installation Instructions
4
- Required Ability
  4
- Locating the Heater
  4
- High Altitude Installations
  5
- Clearances
  5
- Hard Water
  5
- Air Requirements
  5
- Air Requirements
  6
- Water (Potable) Heating and Space Heating
  6
- Venting
  6
- Venting
  7
- Thermometers (Not Supplied)
  7
- Relief Valve
  7
- Gas Piping
  8
- Gas Pressure Regulator
  9
Operation
9
- To Operate the Water Heater
  9
- Purging
  9
- Lighting Instructions
  11
- Temperature Regulation
  12
- Check Venting
  12
- High Temperature Limit Switch
  13
Service Information
13
- Pilot and Main Burner
  13
- Checking Gas Input
  13
- Vent System
  14
- Relief Valve
  14
- Hot Water Odor
  14
- Anode Rod Inspection
  14
- Winter Protection
  14
- Replacement Parts
  14
Preventive Maintenance
15
Checklist
16
Limited Warranty
18

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