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GWV - 120
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A.O. Smith GWV - 120 manual available for free PDF download: 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: 2.71 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
Safety of the Installation
18
3 Installation
19
Introduction
19
Packaging
19
Environmental Conditions
20
Water Composition
21
Working Clearances
21
Technical Specifications
22
Installation Diagram
25
Water Connections, Vented
26
Water Connections, Unvented
28
Gas Connection
29
Air Supply and Flue
29
Specifications
31
Electrical Connection
33
Checking the Supply Pressure and Burner Pressure
36
4 Conversion to a Different Gas Category
41
5 Filling
43
Installation Diagram
43
Filling Unvented Installations
44
Filling Vented Installations
45
6 Draining
47
Installation Diagram
47
Draining Unvented Installations
48
Draining Vented Installations
49
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
Introduction
59
Shutting the Installation down for a Brief Period ("OFF Mode")
59
Isolating the Appliance from the Mains
59
Shutting the Appliance and Storage Tank down for a Long Period
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
Settings
67
12 Service Program
69
Introduction
69
Setting the Hysteresis
69
Displaying the Error History
69
Displaying the Appliance History
69
Displaying the Appliance Selection
70
Switching the Pump on or off
70
Setting the Service Interval
70
Setting the Display Contrast
70
Setting the Display Backlight Switching Period
70
Setting the Display Scroll Speed
70
Setting the Stage Difference for the Appliance
70
Setting the Pump Running-On Time
71
13 Troubleshooting
73
Introduction
73
Troubleshooting Table for General Errors
74
Troubleshooting Table for Displayed Errors
76
Warnings
85
14 Maintenance Frequency
87
Introduction
87
Determining Service Interval
87
15 Performing Maintenance
89
Introduction
89
Preparation for Maintenance
89
Water-Side Maintenance
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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