Page 2 - your installer
your installer A.O. Smith UK, Unit B8 Amstrong Mall,Southwood Business Park, Farnborough, Hampshire GU14 0NRwww.aosmith.co.uk “A.O. Smith Water Heaters” is a trading name of Advance Services (Sales) Ltd. Reg.
Page 3 - Errata; Preparation; maintenance
E1 Errata The amendments below apply to: the preparation of the electrical connection of the solar heating control (3.12.1 "Preparation"); finishing maintenance (15.6 "Finalizing maintenance"); the electrical diagram of the solar heating control (17.4 "Electrical diagram solar he...
Page 4 - solar heating
E2 17.3 Electrical diagram Electrical diagram solar heating system 1 = brown, 2 = blue, 3 = yellow / green, 4 = black, 5 = white, 6 = grey / beige, 7 = green, 8 = yellow
Page 6 - Instruction manual SGE; gis; Read this manual carefully; Warning; Trademarks
Instruction manual SGE 3 gis Read this manual carefully Warning Read this manual carefully before starting the water heater. Failure to read the manual and to follow the printed instructions may lead to personal injury and damage to the water heater. Copyright © 2013 A.O.Smith Water Products Company...
Page 8 - Contents
Instruction manual SGE 5 Contents 1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.1 About the water heater - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.2 What to do if you smell gas - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.3 Regulations - - - - - - ...
Page 12 - Introduction; smell gas; Regulations
Instruction manual SGE 9 gis 1 Introduction 1.1 About the water heater This manual describes how to install, service and use the SGE water heater. The SGE water heater is a condensing boiler with a fan in the air intake. The water is heated partly by means of an external heat exchanger that can be c...
Page 13 - British and European Standards; Target groups
Introduction 10 Instruction manual SGE 1 gis British and European Standards • BS 6891: Installation of low pressure gas pipework of up to 35 mm (R1¼) in domestic premises (2nd family gas) - Specification. Note: for lager installations see IGE/UP/2 below. • BS 6798: Specification for installation and...
Page 14 - Maintenance
Instruction manual SGE 11 gis Target group symbols Caution This water heater is not intended for use by persons with reduced physical, sensory or mental capacities, or who lack the necessary experience or knowledge, unless the person responsible for their safety is supervising them or has explained ...
Page 15 - Chapter
Introduction 12 Instruction manual SGE 1 gis 1.7 Overview of this document Chapter Target groups Description Working principle of the water heater This chapter describes the working principle of the water heater. Installation This chapter describes the installation activities to be carried out befor...
Page 18 - Note
Instruction manual SGE 15 gis • HysteresisThe moment that T 1 falls below (T set - T solar diff - hysteresis), the controller registers such a heat demand that the gas burner and the solar heating system jointly heat the water. The solar heating system is only employed when the temperature measured ...
Page 19 - Gas control valve; Flame probe; protection
Working principle of the water heater 16 Instruction manual SGE 2 gis Temperature protection 2.4.3 Gas control valve The controller opens the gas control valve so that gas can be supplied to the burner. As a safety measure, the gas control valve has two valves. Both valves shut off the gas supply. 2...
Page 20 - Unvented installation
Instruction manual SGE 17 gis 2.5.1 Unvented installation With an unvented installation, an expansion valve and expansion vessel prevent the buildup of excessive pressure in the tank. This prevents damage being caused to the enamel coating (in the water heater) or to the tank. A non-return valve pre...
Page 21 - Expansion vessel
Working principle of the water heater 18 Instruction manual SGE 2 gis Temperature protection for solar heating system 2.7 Safety of the solar heating system 2.7.1 Expansion vessel The solar heating system must be equipped with an expansion vessel. An expansion vessel serves to limit pressure variati...
Page 22 - is; Installation; Ambient conditions; Caution
Instruction manual SGE 19 is 3 Installation Warning The installation must be carried out by an approved installation engineer in compliance with the general and local regulations imposed by the gas, water and power supply companies and the fire brigade.The appliance may only be installed in a room t...
Page 23 - Water heater maximum floor load; Working clearances; Air humidity and ambient temperature
Installation 20 Instruction manual SGE 3 is 3.3.1 Air humidity and ambient temperature The boiler room must be frost-free, or be protected against frost. The table shows the ambient conditions that must be adhered to for correct functioning of the electronics present in the appliance to be guarantee...
Page 24 - Dimensions of the water heater
Instruction manual SGE 21 is Working clearances 3.4 Technical specifications The water heater is supplied without accessories. Check the dimensions (3.4 "Technical specifications"), gas data (3.4.3 "Gas data") and other specifications (3.4.2 "General and electrical specifications...
Page 25 - Size
Installation 22 Instruction manual SGE 3 is Size Description Unit SGE 40 SGE 60 A Overall height mm 2055 2055 C Position on pallet mm 490 490 D Appliance diameter mm 705 705 E Depth mm 925 925 F Width mm 850 850 G Diameter of flue gas discharge mm 100 / 150 100 / 150 H Height of chimney flue mm 1995...
Page 27 - II
Installation 24 Instruction manual SGE 3 is 3.4.3 Gas data Gas data II 2H3P description Unit S GE 40 S GE 60 Gas category 2H: G20 - 20 mbar Venturi injector diameter mm - - Nominal load ( gross ) k W 4 4,4 6 3,3 Nominal output kW 42,8 60,4 Supply pressure mbar 20 20 CO 2 (full load) Vol% 9,0 + 1,0 9...
Page 29 - Cold water side; Circulation pipe; Condensation drain
Installation 26 Instruction manual SGE 3 is Caution The installation diagram shows a pump station with an integrated non-return valve. This type of pump unit may only be used with closed systems. In systems with drain-back, installation of a pump unit with non-return valve is prohibited. There are s...
Page 31 - Gas connection; Solar heating system
Installation 28 Instruction manual SGE 3 is 3.8 Gas connection Warning The installation should be carried out by a competent person, in compliance with general and locally applicable regulations (1.3 "Regulations"). Caution Make sure that the diameter and length of the gas supply pipe are la...
Page 32 - Requirements for flue gas discharge materials
Instruction manual SGE 29 is 3.10 Air supply and chimney flue discharge 3.10.1 Introduction This section covers the following topics:• Requirements for flue gas discharge materials • Concentric connections • Parallel connections 3.10.2 Requirements for flue gas discharge materials Warning The instal...
Page 34 - Concentric connections; Practical example of concentric flue gas discharge
Instruction manual SGE 31 is Explanation of types of installation Note Make sure that the chimney flue discharges into an area approved for this type of installation. 3.10.3 Concentric connections The table shows the requirements for concentric systems. Warning Install flue gas discharge pipe runs w...
Page 35 - Specifications; Subject
Installation 32 Instruction manual SGE 3 is Water heater with concentric flue gas discharge material According to the table, the maximum permitted length is 40 metres, and 4 x 90 degree bends are permitted. Both requirements are fulfilled. Specifications Caution For type C13 and C33 installations,A....
Page 36 - Parallel connections; Practical example of parallel flue gas discharge
Instruction manual SGE 33 is Concentric roof flue terminal specifications C33 3.10.4 Parallel connections The table states the maximum pipe lengths for parallel systems. The maximum pipe length depends on the chosen diameter. Warning Install flue gas discharge pipe runs with a run-off of 5 mm per me...
Page 39 - Connecting the mains power
Installation 36 Instruction manual SGE 3 is Terminal block 3.11.3 Connecting the mains power The water heater is supplied without a power cable and isolator. Note In order to receive electrical power, the water heater has to be connected to the mains power by means of a permanent electrical connecti...
Page 40 - Connecting a program-controlled pump; Connecting an extra ON mode switch
Instruction manual SGE 37 is 3.11.5 Connecting a program-controlled pump Note The maximum power capacity for a pump regulated by the controller is 100W. 1. Connect neutral (N), live (L) and earth ( ) to terminals 13, 14 and 15 as indicated in the table (3.11.2 "Preparation"). 2. Fit the cabl...
Page 41 - Connecting pump station - modulating pump
Installation 38 Instruction manual SGE 3 is 3.12 Electrical connection of the solar heating system This section covers the following topics:• Preparation • Connecting the mains power • Connecting pump station - modulating pump • Connecting solar collector • Connecting tank sensor • Connecting commun...
Page 42 - Connecting solar collector; Connecting tank sensor; Connecting communication cable
Instruction manual SGE 39 is 3.12.4 Connecting solar collector Note This sensor must be mounted in the solar collector;refer to the solar collector installation manual. Connect the sensor (S 1 ) to the water heater as follows: 1. Connect the sensor to terminal 2 and 4 of J13.2. Fit the cables in the...
Page 43 - Connecting extra head pump
Installation 40 Instruction manual SGE 3 is 3.12.7 Connecting extra head pump Note This pump is essential if a greater head is required. When the system has such a high resistance (>66 kPa) that the pump in the pump station is insufficient, you can connect a second (ON/OFF) pump to the solar heat...
Page 44 - ON
Instruction manual SGE 41 is This test nipple has a sealing screw. Loosen the sealing screw by a few turns. Do not completely loosen it as it can be difficult to retighten. 5. Open the gas supply and vent the gas supply line via the test nipple.6. Connect a pressure gauge to the test nipple as soon ...
Page 45 - Procedure for checking the gas control valve pressure
Installation 42 Instruction manual SGE 3 is 12. Use the pressure gauge to read the supply pressure and compare it against the value from the gas table (3.4.3 "Gas data"). Note Consult the mains gas supply company if the supply pressure is not correct. You cannot yet start using the appliance...
Page 46 - CO
Instruction manual SGE 43 is 10. Confirm with . The display shown here will appear. The appliance is now in "PARTIAL LOAD" mode and will ignite. 11. You must wait about 1 minute after the display shows the text RUNNING before reading the dynamic pressures (the fan needs this time to get up t...
Page 47 - Full-load measurement
Installation 44 Instruction manual SGE 3 is Full-load measurement 10. From the service menu, select: - SERVICE OPERATION | FULL LOAD - Confirm with . The appliance is now in "FULL LOAD mode" and will ignite. 11. The appliance is now running at FULL LOAD . Read the value from the CO 2 meter a...
Page 48 - Partial load measurement
Instruction manual SGE 45 is Partial load measurement 16. From the service menu, select: - SERVICE OPERATION | PARTIAL LOAD - Confirm with . The appliance is now in "PARTIAL LOAD" mode and will ignite. 17. The appliance is now running at PARTIAL LOAD . Read the value from the CO 2 meter and ...
Page 49 - Switching pressure measurement
Installation 46 Instruction manual SGE 3 is 3.13.4 Switching pressure measurement To measure the switching pressure, proceed as follows: 1. Isolate (10.3 "Isolating the water heater from the mains") the appliance from the power supply. 2. Carefully remove the covers from the appliance.3. The...
Page 52 - Filling
Instruction manual SGE 49 gis 5 Filling Installation diagram Legend Vented and unvented Unused numbers are not applicable1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. stop valve (recommended in pipe C and mandatory in pipe A) 5. non-return valve (mandatory) 6. circulation pu...
Page 54 - Flushing with water
Instruction manual SGE 51 gis 5.3 Filling solar heating system Note No special safety measures are required when working with the diluted glycol solution specified by the manufacturer. For more information about the fluid, please contact the manufacturer. Note The filling procedure described in this...
Page 55 - Filling met glycol
Filling 52 Instruction manual SGE 5 gis 5.3.2 Filling met glycol 1. Insert the hose of the glycol pump into the jerry can containing the glycol.2. Connect the pump to the jerry can.3. Connect the hose of the glycol pump to the inlet combination of the pump station. 4. Open the valve of the inlet com...
Page 56 - Draining
Instruction manual SGE 53 gis 6 Draining Installation diagram Legend Vented and unvented Unused numbers are not applicable1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. stop valve (recommended in pipe C and mandatory in pipe A) 5. non-return valve (mandatory) 6. circulation p...
Page 60 - The control panel; ON/OFF switch on controller; Name
Instruction manual SGE 57 gis 7 The control panel 7.1 Introduction This chapter covers the following topics:• Control; • Explanation of icons; • ON/OFF switch on controller; • Navigation buttons; • PC connection. 7.2 Control The control panel is completely menu-driven, and comprises:• a 4-line displ...
Page 61 - Navigation buttons; PC connection
The control panel 58 Instruction manual SGE 7 gis 7.5 Navigation buttons The use of these buttons is explained with the help of the figure showing the main menu (11 "Main menu"). The navigation buttons are:• Buttons for UP , and DOWN ; • Enter: ; • Reset button: . The arrows ^ and È indicate...
Page 62 - Operating modes
Instruction manual SGE 59 gis 8 Status of the water heater 8.1 Introduction This chapter covers the following topics:• Operating modes; • Error conditions; • Service condition; • Anode warning; • Q/T Sensor warning; • Collector temperature warning 8.2 Operating modes When running, the water heater h...
Page 63 - Error conditions; Service condition
Status of the water heater 60 Instruction manual SGE 8 gis 8.2.4 PROG In this mode a preset week program is active, and the water heater responds continually to demand within the time periods set in the week program. There are two distinct situations possible in this mode: 1. The current time falls ...
Page 64 - Anode warning
Instruction manual SGE 61 gis 8.5 Anode warning This message appears when the anode protection is no longer active. If the message appears, you must contact your service and maintenance engineer. Note The water heater continues to function when this message appears. 8.6 Q/T Sensor warning This messa...
Page 66 - Starting the appliance; The appliance's heating cycle
Instruction manual SGE 63 gis 9 Starting the water heater 9.1 Introduction This chapter covers the following topics:• Starting the appliance. • The appliance's heating cycle. Note The first time the water heater is started, you must enter (12.10 "Solar heating system configuration") the sett...
Page 68 - Shutting down
Instruction manual SGE 65 gis 10 Shutting down 10.1 Introduction This chapter describes:• Decommissioning the water heater for a short period. • Isolating the water heater from the mains; • Decommissioning the water heater for a long period. 10.2 Decommissioning the water heater for a short period T...
Page 70 - Main menu; Notation convention for menu-related; Setting the water temperature
Instruction manual SGE 67 gis 11 Main menu 11.1 Introduction The MENU is reached by pressing the button on the controller. The main menu comprises:• OFF Select this option if you wish to shut the water heater down (10 "Shutting down") for a brief period, but do not wish to drain it. In this ...
Page 71 - Starting and stopping the week
Main menu 68 Instruction manual SGE 11 gis 2. Use:• to increase the value; • to decrease the value. • Confirm with .After confirming, the water heater enters "ONmode". 11.4.2 Setting water temperature during ON mode The water temperature can also be directly adjusted when the water heater is...
Page 73 - Adding times to a week program
Instruction manual SGE 70 gis 11.7.3 Week program: setting the water temperature 1. Use and to set the water temperature. In the example this is 75°C.Confirm with . The cursor moves to PUMP ON 11.7.4 Week program: setting the program-controlled pump 1. If required, a pump can be controlled during th...
Page 74 - Deleting times from a week program
Instruction manual SGE 71 gis 3. Proceed as follows: a. Set the switch-on time (11.7.1 "Week program: setting the switch-on time"). b. Set the switch-off time (11.7.2 "Week program: setting the switch-off time"). c. Set the water temperature (11.7.3 "Week program: setting the wat...
Page 75 - Setting the switch-on time
Instruction manual SGE 72 gis The switching period has been deleted. You will return now to the week program menu. The cursor points to the first programmed period. 6. Scroll with to START OPERATION . Confirm with . The week program is active. 11.10 Extra period Use an extra period when you either w...
Page 77 - specifications
Instruction manual SGE 74 gis 11.11.2 Setting day and time To enter the time and day: 1. Call up the menu for entering the day and time as follows: 2. : SETTINGS . Confirm with . The display shows the menu for settings. 3. Scroll with and to DAY / TIME Confirm with . The display shows the sub-menu f...
Page 78 - Service program; Setting the hysteresis
Instruction manual SGE 75 is 12 Service program 12.1 Introduction The service program is used by the installation engineer or service and maintenance engineer for:• Displaying the water heater history • Displaying the error history • Displaying the water heater history • Display the selected water h...
Page 79 - Displaying the water heater history; Setting the service interval
Instruction manual SGE 76 is 12.4 Displaying the water heater history The water heater history sub-menu is used to display the burning hours, the number of ignitions, the number of flame errors and the number of ignition errors.Call up the menu for displaying the water heater history as follows:• : ...
Page 80 - Temporarily raising the setpoint during
Instruction manual SGE 77 is Temporarily raising the setpoint during FULL LOAD or PARTIAL LOAD 1. :>: SERVICE OPERATION . 2. Select FULL LOAD or PARTIAL LOAD . The example below describes the situation for FULL LOAD , which is identical to that for PARTIAL LOAD . 3. Confirm with . 4. To create a ...
Page 81 - Solar heating system configuration
Instruction manual SGE 78 is 12.10 Solar heating system configuration Use the solar heating system settings menu to reach the menus shown here: 12.10.1 Setting the drain-back tank Use this menu to specify whether the solar heating system is equipped with a drain-back tank for the heating fluid. Call...
Page 82 - Setting the central heating
Instruction manual SGE 79 is 12.10.6 Displaying contribution This option enables you to read out how much energy the solar heating system supplies. For this data to be displayed, the installation must be equipped with a Q/T sensor (12.10.5 "Setting the Q/T sensor"). Three values are reported...
Page 84 - Errors; General errors; Displayed errors; Warnings on the display
Instruction manual SGE 81 gis 13 Errors 13.1 Introduction A distinction is made between:• General errors General errors are not reported on the display. General errors are:- Gas smell - Display does not light up - Insufficient or no hot water. - Water leakage - Explosive ignition. The manual include...
Page 85 - Troubleshooting table for general errors
is Instruction manual SGE 82 13.2 Troubleshooting table for general errors Warning Maintenance may only be performed by a qualified service and maintenance engineer. General errors Indication Cause Measure Remark Gas smell Gas leak Warning Close the main gas valve at once. Warning Do not operate any...
Page 88 - Troubleshooting table for displayed errors; Cause
is Instruction manual SGE 85 13.3 Troubleshooting table for displayed errors Displayed errors Code + description Cause Measure Remark S01 (blocking error) Open circuit from temperature sensor T 2 at the bottom of the tank. Sensor is not (correctly) connected Connect the sensor lead to JP3 See the el...
Page 97 - Warnings on the display; Situation
is Instruction manual SGE 94 13.4 Warnings on the display Warnings on the display Situation Cause Measure Note Maximum burning hours: Servicing required. The actual burning hours have exceeded the preset burning hours. Appliance runs, but displays a warning For maintenance to your appliance, please ...
Page 100 - Service interval; Determining service
Instruction manual SGE 97 is 14 Service interval 14.1 Introduction A service should be carried out at least once a year, both on the water side and on the gas side. Among other things, the service interval depends on the water quality, the average burning time per day and the set water temperature. ...
Page 102 - Preparation for
Instruction manual SGE 99 s 15 Performing maintenance 15.1 Introduction Caution Maintenance may only by carried out by an approved service and maintenance engineer. At each service, the water heater undergoes maintenance on both the water side and the gas side. The maintenance must be carried out in...
Page 104 - Clean condensation water discharge
Instruction manual SGE 101 s Take the rate of scale formation into account when deciding on the service interval. Scale formation depends on the local water composition, the water consumption and the water temperature setting. A water temperature setting of maximum 60°C is recommended for the preven...
Page 105 - Clean heat exchanger; Solar collector
Performing maintenance 102 Instruction manual SGE 15 s 15.4.3 Clean heat exchanger 1. Detach the burner.2. Clean the combustion chamber of the heat exchanger using a vacuum cleaner and a soft brush. 3. Detach the chimney flue.4. Clean the end of the heat exchanger using tap water.5. Fit the burner.6...
Page 106 - General warranty
Instruction manual SGE 103 gis 16 Warranty (certificate) To register your warranty, you should complete and return the enclosed warranty card, after which a warranty certificate will be sent to you. This certificate gives the owner of an appliance supplied by A.O.Smith Water Products Company B.V. of...
Page 107 - warranty
Warranty (certificate) 104 Instruction manual SGE 16 gis i. The water heater is at all times fitted with cathodic protection. If sacrificial anodes are used for this, these must be replaced and renewed when, and as soon as, they are 60% or more consumed. When power anodes are used, it is important t...
Page 108 - Appendices
Instruction manual SGE 105 is 17 Appendices 17.1 Introduction This appendix contains:• Menu structure of the main menu (17.2 "Menu structure") • Appliance electrical diagram (17.3 "Electrical diagram for the appliance") • Electrical diagram, solar heating system (17.4 "Electrical...
Page 111 - Electrical diagram
Appendices 108 Instruction manual SGE 17 is 17.3 Electrical diagram for the appliance Electrical diagram 1 = brown, 2 = blue, 3 = yellow / green, 4 = black, 5 = white, 6 = grey / beige, 7 = green, 8 = yellow L N L N K AA 230VAC 50Hz E 1 2 3 4 5 6 10 7 8 9 D C B 4 4 3 X X 4 4 XX JP8 J29 X X X JP12 JP...
Page 112 - TERMINAL STRIP CONNECTIONS
Instruction manual SGE 109 is TERMINAL STRIP CONNECTIONS COMPONENTS CONTROLLER CONNECTIONS Earth N Neutral L Live input of controller L 1 Live input of isolating transformer (primary side) L 2 Live output of isolating transformer (secondary side) L 3 Live input of program-controlled pump A Control B...
Page 113 - solar heating system
Appendices 110 Instruction manual SGE 17 is 17.4 Electrical diagram, solar heating system Electrical diagram , see Eratta. 1 = brown, 2 = blue, 3 = yellow / green, 4 = black, 5 = white, 6 = grey / beige, 7 = green, 8 = yellow 0309 686b R0 1 2 3 4 5 6 10 7 8 9 12 11 16 15 14 13 19 18 17 20 X X X X 4 ...
Page 114 - CONTROLLER CONNECTIONS
Instruction manual SGE 111 is CONTROLLER CONNECTIONS COMPONENTS CONTROLLER CONNECTIONS Earth N Neutral L Live input of controller L 1 Live input for the solar heating system pump ON/OFF. M 1 Live input for the solar heating system modulating pump. M 2 Neutral input for the solar heating system modul...
Page 115 - conformity
Appendices 112 Instruction manual SGE 17 is 17.5 Declaration of conformity Declaration of conformity
Page 116 - Week program card
Instruction manual SGE 113 17.6 Week program card You can cut the week program card out and keep it near the water heater. Example Period DAY TIME Tset Pump 1. ON ....°C ON / OFF OFF 2. ON ....°C ON / OFF OFF 3. ON ....°C ON / OFF OFF 4. ON ....°C ON / OFF OFF 5. ON ....°C ON / OFF OFF 6. ON ....°C ...
Page 118 - Index
Instruction manual SGE 115 Index A actuation 67ambient conditions 19ambient temperature 20 C claims 104connecting the air supply 29connecting the chimney flue 29connecting the circulation pipe 26, 27connecting the cold water side 26, 27connecting the hot water side 26conversion to a different gas ca...
Page 119 - UK
031 1 166 1. 0 UK Index Instruction manual SGE symbol installation engineer 10service engineer 10user 10 T target groups 10terminal block 35ThermoControl ON/OFF switch 57 trademarks 3 U user 10 W warranty 103 exclusions 104General information 103installation and conditions of use 103scope 104 water ...
