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A.O. Smith
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Water Heater
A.O. Smith
SGE
service manual
Draining
Models:
SGE
1
53
110
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Troubleshooting
Specifications
Install
Electrical diagram
Error conditions
Symbol Target group
Connecting the mains voltage
Warranty
Maintenance
Symptom Cause Solution Remark
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6 Draining
Installation diagram
Instruction manual SGE
53
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Contents
Installation User
Your installer
Trademarks
Read this manual carefully
Liability
More information
Gis
Table of contents
Troubleshooting
Service program
Maintenance frequency
Status of the appliance
Appendices
Performing maintenance
Warranty certificate
Table of contents
What to do if you smell gas Regulations
Introduction
About the appliance
Introduction
Target groups Maintenance Forms of notation
Symbol Target group
Chapter Target groups Description
Overview of this document
Gis
Topics covered in this chapter
Working principle of the appliance
Introduction General working principle of the appliance
Working principle of the appliance
Other settings that govern the control behaviour are
Appliances heating cycle
Appliance water temperature protection Gas valve
= time = Temperature 45 oC = Minimum tap water temperature
Pressure switch Flame probe
Protection for the appliance Introduction
Pressure switch
Appliance water temperature protection
Gas valve
4 Fan
Unvented installation
Safety of the installation
Vented installation
Flame probe
Safety of the solar heating system Expansion vessel
Fluid temperature
Expansion valve
Pump of the solar heating system
Packaging
Installation
Environmental
Conditions
Water composition
Air humidity and ambient temperature
Appliance maximum floor load
Working clearances
Dimensions of the appliance
Technical specifications
Appliance is supplied without accessories. Check
See the table
Dime Description SGE Nsion
Gas data
General and electrical specifications
Gas category 3+ G31 37 mbar
Installation diagram
Water connections, Unvented Cold water side
See C in the installation diagram 3.5 Installation diagram
Hot water side
Circulation pipe
Condensation drainage
Water connections, Vented
Air supply and flue Introduction
Gas connection
Requirements for flue gas discharge materials
This section covers the following subjects
Types of appliances
Concentric connections
Practical example of concentric chimney flue
Specifications
Following example illustrates how to use the table
Subject Description
Parallel connections
Appliance Diameter Maximum
Total length Bend
Appliance with parallel flue gas discharge material
Practical example of parallel chimney flue
Connecting communication cable to solar heating system
Preparation Connecting the mains voltage
Solar heating system
Electrical connection
Preparation
11.2
Connecting continuous pump
Connecting the mains voltage
Isolating transformer
11.2 Preparation
Connecting an extra on mode switch Tank on
Connecting a program-controlled pump
Connecting an extra error signal Alarm OUT
Connecting extra head pump Connecting Q/T sensor
Connecting solar collector
Connecting the mains power
Connecting pump station modulating pump
Connecting communication cable
Connecting tank sensor
Connecting extra head pump
Connecting Q/T sensor
Checking the supply pressure and burner pressure
Procedure to check pressures
Finish off 3.13.4 Finalising
Adjusting the pressure
Gas data
Finalising
13.4
Conversion to a different gas category
Orifice assembly
Conversion to a different gas category
Burner pressure regulator Blank plate Gas control connector
Page
Conversion to a different gas category
Filling
Filling
Filling the appliance Filling unvented installations
Filling vented installations
Filling with glycol
Flushing with water
Gis
Draining
Draining
Draining unvented Installations
Activate the Menu with
Position the cursor in front of OFF
Position the cursor in front of OFF Confirm OFF with
Draining vented installations
Draining solar heating system Draining glycol-filled system
Gis
Control panel
Electronic controller ON/OFF switch
Controls
Meaning of icons
Control panel
Navigation buttons
PC connection
Operating modes
Operating modes Error conditions Service condition
Status of the appliance
Error conditions
Service condition
Collector temperature warning
Q/T Sensor warning
Starting and running
Open 3.5 Installation diagram the manual gas valve
Starting the appliance
Starting the appliance Appliances heating cycle
Icon is activated Message Ignition appears
Starting and running
Icon is activated Message PRE Purge appears
Shutting down
Shut the appliance down for a brief period OFF mode
Shutting the appliance down for a long period
Electrically isolating the appliance
Shutting down
Set the water temperature via
Switching on the on mode
Main menu
Notational convention for menu-related instructions
Week program
Setting water temperature during on mode
Starting and stopping the week program
Changing the appliances standard week program
Week program setting the switch- off time
Week program setting the switch- on time
Week program setting the water temperature
Bring the cursor to SU Confirm with
Adding times to a week program
Week program setting the program- controlled pump
Confirm with Display shown in the figure will appear
Scroll with to Start Operation Confirm with
Deleting times from a week program
Confirm with Or use to cancel
Extra period
To delete a period, proceed as follows
Setting the switch-off time
Setting the switch-on time
Setting the water temperature
Setting the program-controlled pump
Setting menu language
Settings
Setting day and time
Adjustable settings
Confirm the minute setting with
Displaying appliance specifications SGE
Table shows the correct settings
Scroll with to Specifications Confirm with
Setting the hysteresis
Service program
Displaying the error history
Appliance Default Range
Setting the service interval
Switching the pump on or off
Setting legionella prevention
Switching legionella prevention on and off
Setting the drain-back tank
Solar heating system configuration
Setting the heating fluid type in the solar heating system
Setting the solar limit temperature
Reading the energy contribution of the solar heating system
Setting the QT sensor yes/no
Setting the central heating configuration
General errors
Troubleshooting
Displayed errors
Distinction is made between
Symptom Cause Solution Remark Gas smell
Troubleshooting table for general errors
Display is off
Start the appliance up 9 Starting and running
Explosive ignition
Symptom Cause Solution Remark Water leakage
Hot water supply
Insufficient or absent
Symptom Cause Solution Remark
Troubleshooting table for displayed errors Displayed errors
S11 blocking error
Code + Description Cause Solution Remark
S12 blocking error
S13 blocking error
F02 lock out error
Code + Description Cause Solution Remark S18 blocking error
F01 blocking error
Fails to work correctly Engineer Pressure switch not
Code + Description Cause Solution Remark F03 lock out error
Maintenance 15.2 Preparation for maintenance. If there is
Closing
F05 lock out error
Code + Description Cause Solution Remark F04 lock out error
No gas
Area
F07 lock out error
Code + Description Cause Solution Remark F06 lock out error
F08 lock out error
Safety relay Engineer
F11 blocking error
Code + Description Cause Solution Remark F10 lock out error
C03 blocking error
Code + Description Cause Solution Remark C02 lock out error
C04 blocking error
Selected appliance
Temperature
Code + Description Cause Solution Remark E01 blocking error
E03 lock-out error
E04 lock-out error
Displayed warnings
Best maintenance frequency can be determined
Maintenance frequency
Maintenance, based on the number of burning hours
Standard setting is 500 burning hours
Maintenance frequency
Wait until the fan has stopped. The icon is then dimmed
Performing maintenance
Introduction Preparation for maintenance
Performing maintenance
Descaling and cleaning the tank
Water-side maintenance Introduction
Checking the anodes
Following steps must be carried out on the water side
Gas-side maintenance Introduction
Cleaning condensation water discharge
Clean the burners
Clean the orifices
16.1 General warranty
Warranty certificate
16.2 Tank warranty
Collector warranty Conditions for Installation and use
Warranty certificate
This appendix contains
Appendices
Menu structure of the main menu 17.2 Menu structure
Heating system
Appendices
Menu structure
101
Electrical diagram
Electrical diagram for the appliance
Extra error signal connection
Extra on mode switch
Controller 0/I switch
Temperature sensor T1 top
Electrical diagram, solar heating system
Solar system electrical diagram legend
106
Period
Week program card
Tset Pump
Example Period
108
109
Index
Index
0308
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