A.O. Smith 28 30 50 60 Manuals

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A.O. Smith 28 30 50 60 Installation & Service Manual

A.O. Smith 28 30 50 60 Installation & Service Manual (96 pages)

A. O. SMITH CORPORATION Service Manual WATER PRODUCTS 28 30 50 60

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

Table of Contents

Table of Contents
5
1 Introduction

9
- About the Appliance
  9
- What to Do if You Smell Gas
  9
- Regulations
  9
- Target Groups
  10
- Maintenance
  10
- Forms of Notation
  10
- Overview of this Document
  11
2 Functioning of the Appliance

13
- Introduction
  13
- Functional Description of the Appliance
  13
- The Appliance's Heating Cycle
  14
- Protection for the Appliance
  14
  - Water Temperature Protection
    15
  - Gas Control
    15
  - Fan
    15
  - Pressure Switch
    15
  - Ionisation Rod
    16
- Safety of the Installation
  16
  - Unvented Installation
    16
  - Vented Installation
    16
  - T&P Valve
    16
3 Installation

17
- Introduction
  17
- Packaging
  17
- Environmental Conditions
  17
  - Humidity and Ambient Temperature
    18
  - Maximum Floor Loading
    18
  - Water Composition
    18
  - Working Clearances
    18
- Technical Specifications
  21
- Installation Diagram
  23
- Water Connections, Unvented
  25
  - Cold Water Side
    25
  - Hot Water Side
    25
  - Circulation Pipe
    25
  - Condensation Drainage
    25
- Water Connections, Vented
  26
  - Cold Water Side
    26
  - Hot Water Side
    26
  - Circulation Pipe
    26
  - Condensation Drainage
    26
- Gas Connection
  26
- Air Supply and Flue Gas Discharge
  27
  - Concentric Wall Flue Terminal
    28
  - Concentric Roof Flue Terminal
    29
- Electrical Connection
  30
  - Introduction
    30
  - Preparation
    30
  - Mains Voltage
    31
  - Isolating Transformer
    32
  - Continuous Pump
    32
  - Program-Controlled Pump
    32
  - Extra on Mode Switch ("Tank ON")
    32
  - Connecting Extra Error Signal ("Alarm OUT")
    33
- Checking the Supply Pressure and Burner Pressure
  33
- Conversion to a Different Gas Category
  35
4 Filling and Draining

39
- Introduction
  39
- Filling the Appliance
  39
5 The Control Panel

43
- Introduction
  43
- Operating
  43
- Explanation of the Icons
  44
- ON/OFF Switch of Thermocontrol
  44
- Navigation Buttons
  44
- PC Connection
  44
6 Status of the Appliance

45
- Introduction
  45
- Operating Modes
  45
- Error Conditions
  46
- Service Condition
  47
7 Starting up and Shutting down

49
8 Main Menu

53
- Introduction
  53
- Notational Convention for Menu-Related Instructions
  53
- Switching into "ON Mode
  54
- Setting the Water Temperature
  54
  - Setting the Water Temperature Via SETPOINT MENU
    54
  - Setting Water Temperature During on Mode
    54
  - Week Programme
    55
    
    8.5.3 Changing the Appliance's Standard Week Program
    55
    
    Introduction
    55
    
    Starting up and Shutting down the Week Program
    55
    
    Adding Times to a Week Program
    57
    
    Deleting Times from a Week Program
    58
    
    Extra Period
    60
    
    Introduction
    60
    
    Programming an Extra Period
    60
    
    Introduction
    61
    
    Setting Menu Language
    61
    
    Settings
    61
    
    Displaying Appliance Specifications
    62
    
    Setting Day and Time
    62
- 9 Service Program
  
  65
  - Introduction
    65
  - Setting the Hysteresis
    65
  - Displaying the Error History
    65
  - Displaying the Appliance History
    66
  - Display the Selected Appliance
    66
  - Setting the Pump On/Off
    66
  - Setting the Service Interval
    66
  - Setting the Display Contrast
    67
  - Setting the Backlight Time
    67
  - Setting the Display Scroll Speed
    67
10 Troubleshooting

69
11 Maintenance Frequency

83
- Introduction
  83
- Determining Service Interval
  83
12 Maintenance

85
- Introduction
  85
- Preparation for Maintenance
  85
- Water-Side Maintenance
  87
  - Introduction
    87
  - Checking the Anodes
    87
  - Descaling and Cleaning the Tank
    87
  - Cleaning Condensation Water Discharge
    87
  - Gas-Side Maintenance
    87
    
    Cleaning the Burner
    87
    
    Cleaning Heat Exchanger
    88
    
    Cleaning the Orifice
    88
  - Finalising Maintenance
    88
13 Warranty (Certificate)

89
- General Warranty
  89
- 13.2 Tank Warranty
  89
- Installation and Conditions of Use
  89
- 13.4 Exclusions
  89
- Scope of the Warranty
  90
- 13.6 Claims
  90
- Limitation of Liability A.O. Smith
  90
A Appendices

91
- Introduction
  91
- A.1 Introduction
  91
- Electrical Diagram BFC
  92
Index

95

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