User Manuals: A.O. Smith GWV-120 Gas Water Heater

Manuals and User Guides for A.O. Smith GWV-120 Gas Water Heater. We have 1 A.O. Smith GWV-120 Gas Water Heater manual available for free PDF download: Installation And Service Manual

A.O. Smith GWV-120 Installation And Service Manual

A.O. Smith GWV-120 Installation And Service Manual (102 pages)

A.O. Smith Gas Water Heater Installation User and Service Manual

Brand: A.O. Smith | Category: Water Heater | Size: 2 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 Working Principle of the Appliance

13
- Introduction
  13
- General Working Principle of the Appliance
  13
- The Appliance's Heating Cycle
  15
- Protection for the Appliance
  16
  - Water Temperature Protection
    16
  - Gas Control
    16
- Safety of the Installation
  18
- Unvented Installation
  18
3 Installation

19
- Introduction
  19
- Packaging
  19
- Environmental Conditions
  20
  - Maximum Floor Loading
    20
  - Working Clearances
    21
  - Water Composition
    21
- Technical Specifications
  22
- Dimensions of the Appliance
  22
- Installation Diagram
  25
- Water Connections, Vented
  26
  - Circulation Pipe
    26
  - System Pump
    26
- Water Connections, Unvented
  28
  - Cold Water Side
    28
  - Hot Water Side
    28
- Gas Connection
  29
- Air Supply and Flue
  29
  - Specifications
    31
  - Parallel Connections
    31
- Electrical Connection
  33
  - Connecting the Mains Voltage
    35
  - Sensor Wiring
    36
- Checking the Supply Pressure and Burner Pressure
  36
- Adjusting the Pressure
  38
4 Conversion to a Different Gas Category

41
5 Filling

43
6 Draining

47
7 The Control Panel

51
- Introduction
  51
- Operation
  51
- Meaning of Icons
  51
- Electronic Controller ON/OFF Switch
  51
- Navigation Buttons
  51
- PC Connection
  52
8 Status of the Appliance

53
- Introduction
  53
  - Operating Modes
    53
  - Error Conditions
    54
  - Service Condition
    54
  - Warning
    54
9 Starting and Running

55
- Introduction
  55
- The Appliance's Heating Cycle
  55
10 Shutting down

59
11 Main Menu

61
- Introduction
  61
- Notational Convention for Menu-Related Instructions
  61
- Switching on the "ON Mode
  61
- Setting the Water Temperature
  61
- Week Program
  62
- Starting and Stopping the Week Program
  62
- Changing the Appliance's Standard Week Program
  62
- Adding Times to a Week Program
  64
- Deleting Times from a Week Program
  65
- Extra Period
  65
- Programming an Extra Period
  66
- Setting the Water Temperature
  66
- Settings
  67
12 Service Program

69
13 Troubleshooting

73
- Introduction
  73
- Troubleshooting Table for General Errors
  74
- Troubleshooting Table for Displayed Errors
  76
- Warnings
  85
- Troubleshooting
  86
14 Maintenance Frequency

87
- Introduction
  87
- Determining Service Interval
  87
15 Performing Maintenance

89
- Introduction
  89
- Preparation for Maintenance
  89
- Water-Side Maintenance
  91
- Checking the Anodes
  91
- Gas-Side Maintenance
  92
- Finalizing Maintenance
  92
16 Warranty (Certificate)

93
- General Warranty
  93
- Appliance Warranty
  93
- Conditions for Installation and Use
  93
- Exclusions
  94
- Scope of the Warranty
  94
- Claims
  94
- Obligations of A.O. Smith
  94
17 Appendices

95
- Introduction
  95
- Electrical Diagram
  96
- Week Program Card
  99

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