Page 2 - your installer
Page 3 - Instruction manual SGS; gis; Read this manual carefully; Warning; Trademarks
Instruction manual SGS 3 gis Read this manual carefully Warning Read this manual carefully before starting up the water heater. Failure to read this manual and to follow the instructions in this manual may lead to accidents, personal injury, and damage to the appliance. Copyright © 2008 A.O. Smith w...
Page 5 - Table of contents
Instruction manual SGS 5 Table of contents 1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.1 About the appliance - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.2 What to do if you smell gas - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.3 Regulations - - ...
Page 9 - Introduction; About the appliance; Regulations
Instruction manual SGS 9 gis 1 Introduction 1.1 About the appliance This manual describes how to install, service and use the SGS appliance. The SGS appliance is a condensing boiler with a fan in the air intake. The appliance is always supplied including a storage tank fitted with a heat exchanger c...
Page 10 - Target groups; Maintenance
Introduction 10 Instruction manual SGS 1 gis Furthermore, the installation must comply with the manufacturer's instructions. Note Later amendments and/or additions to all regulations, requirements and guidelines published on or prior to the moment of installing, will apply to the installation. 1.4 T...
Page 11 - Chapter
Instruction manual SGS 11 gis 1.7 Overview of this document Chapter Target groups Description Working principle of the appliance This chapter describes the working principle of the appliance. Installation This chapter describes the installation activity to be completed before you start the appliance...
Page 15 - Note
Instruction manual SGS 15 gis fluid (S 1 ) is a certain (adjustable) value higher than the temperature measured at the appliance (sensor S 2 ). As soon as (T net = T set = T solar limit ), heating via the solar heating system is stopped. There is one exception to this rule, and that is when T solar ...
Page 16 - Water temperature protection for the storage tank; Gas valve; Protection
Working principle of the appliance 16 Instruction manual SGS 2 gis 2.4.2 Appliance water temperature protection The electronic controller uses temperature sensors T 1 (7) and T 2 to monitor several temperatures that are important for safety.The table explains the functioning of these temperature sen...
Page 17 - Pressure switch; Flame probe
Instruction manual SGS 17 gis 2.4.6 Pressure switch The pressure switch ensures the discharge of flue gases and the supply of incoming air during the pre-purge and normal running of the appliance. The default state of the pressure switch is open. When sufficient pressure difference is reached, the p...
Page 18 - Protection for the solar heating system; Safety of the solar heating system
Working principle of the appliance 18 Instruction manual SGS 2 gis appliance is under water supply pressure, cold water will automatically flow into the tank. The valve remains open until the unsafe situation has been rectified. The appliance is fitted standard with a connecting point for a T&P ...
Page 19 - is; Installation; Packaging; Caution
Instruction manual SGS 19 is 3 Installation Warning Installation work should 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 service.The appliance may only be installed in a roo...
Page 20 - Maximum floor load; Maximum floor load of storage tank; Air humidity and ambient temperature; Weight of the appliance filled with water
Installation 20 Instruction manual SGS 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 environmental conditions that must be adhered to for correct functioning of the electronics present in the appliance to be gua...
Page 21 - Appliance working clearances; Storage tank working clearances
Instruction manual SGS 21 is 3.3.4 Appliance working clearances For access to the appliance, it is recommended that the following clearances are observed:• AA: around the appliance's control column and cleaning openings: 100 cm. • BB: all sides of the appliance: 50 cm • Above the appliance (room to ...
Page 22 - Dimensions of the appliance
Installation 22 Instruction manual SGS 3 is 3.4 Technical specifications The appliance is supplied without accessories. Check the dimensions (3.4.1 "Dimensions of the appliance") , gas data (3.4.3 "Gas data") and other specifications (3.4.2 "General and electrical specifications&...
Page 23 - Description
Instruction manual SGS 23 is Dimensions (all measurements in mm unless otherwise indicated) 3.4.2 General and electrical specifications General and electrical specifications Dimension Description SGS 80 SGS 100 A Total height 2060 2060 C Position on pallet 530 530 D Appliance diameter 850 850 E Dept...
Page 24 - Description II
Installation 24 Instruction manual SGS 3 is 3.4.3 Gas data Gas data Description II 2H3+ Unit SGS 80 SGS 100 Natural gas Gas category G20-20 mbar Orifice diameter mm 6.30 6.80 Nominal load (gross calorific value) kW 86.6 105.5 Nominal output kW 81.9 99.8 Supply pressure mbar 20 20 Burner pressure mba...
Page 26 - Cold water side
Installation 26 Instruction manual SGS 3 is Note In the above diagram, there is a non-return valve in the station. This may only be used in closed (pressure) systems. In systems with drain back, it is prohibited to fit a non-return valve in the solar heating system. 3.6 Water connections, Vented War...
Page 27 - Circulation pipe
Instruction manual SGS 27 is 3.6.3 Circulation pipe See (C) in the installation diagram (3.5 "Installation diagram") . If an immediate flow of hot water is required at draw-off points, a circulation pump can be installed. This improves comfort and reduces water wastage.1. Fit a circulation p...
Page 28 - Condensation drainage
Installation 28 Instruction manual SGS 3 is 3.7.4 Condensation drainage 1. Fit a sloping wastewater pipe to the siphon (13) for condensation drainage and connect this to the wastewater discharge in the boiler room. Caution All fittings behind the siphon must be condensation-resistant. 3.8 Gas connec...
Page 31 - Concentric connections
Instruction manual SGS 31 is Explanation of type of appliance Note Make sure that the chimney discharges into an area where this is permitted for this category of appliance. 3.10.3 Concentric connections The table shows the requirements for concentric systems. Warning Install flue gas discharge pipe...
Page 32 - Practical example of concentric flue gas discharge; Specifications
Installation 32 Instruction manual SGS 3 is Practical example of concentric flue gas discharge Example The figure shows a SGS 100 installation. The appliance must be fitted with 12m of concentric pipe (C13/C33) and three 90 degree bends. We need to check whether this configuration complies with the ...
Page 33 - Parallel connections
Instruction manual SGS 33 is Concentric wall flue terminal specifications C13 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 comp...
Page 34 - Practical example of parallel flue gas discharge; Appliance
Installation 34 Instruction manual SGS 3 is You must use the longest pipe when calculating the pipe length. For example, if the chimney pipe is 35 metres and the air supply pipe is 32 metres, then 35 metres should be taken as the length for calculation. Next, add the L equivalent for every 90° and 4...
Page 35 - connection; Preparation
Instruction manual SGS 35 is 3.11 Electrical connection Warning The installation should be carried out by an authorised installation engineer, in compliance with general and local regulations (1.3 "Regulations") . 3.11.1 Introduction Topics covered in this paragraph:• Preparation ; • Connect...
Page 37 - Connecting the mains voltage; Isolating transformer
Instruction manual SGS 37 is 3.11.3 Connecting the mains voltage The appliance is supplied without a power cable and isolator. Note In order to receive electrical power, the appliance has to be connected to the mains power by means of a permanent electrical connection. A double-pole isolator with a ...
Page 38 - Connecting communication cable to solar heating system
Installation 38 Instruction manual SGS 3 is 3.11.7 Connecting an extra error signal ('Alarm OUT' ) Alarm OUT is a potential free terminal that is switched when an error is detected. This can be used to signal errors, for example with a lamp. A 230 V circuit can be directly powered. Other voltages re...
Page 39 - Connecting the mains power; Connecting pump station - modulating pump; Connecting tank sensor; Connecting top tank sensor
Instruction manual SGS 39 is 3.12.2 Connecting the mains power Note Just as with the appliance controller, the solar heating system controller must have a permanent electrical connection to the mains power supply. There must be a double-pole isolator installed in the permanent connection. This is th...
Page 40 - Connecting communication cable; Connecting extra head pump; Connecting Q/T sensor
Installation 40 Instruction manual SGS 3 is 3.12.7 Connecting communication cable Note >The communication cable must always be connected, otherwise neither the appliance nor the solar heating system controller will run. 1. Connect the double connector to J16.2. Fit the cable in the strain relief....
Page 41 - Checking the supply
Instruction manual SGS 41 is 3.13 Checking the supply pressure and burner pressure Note Before starting the appliance and/or checking the supply pressure and burner pressure, you must fill (5 "Filling") the appliance. Caution Before starting up for the first time or after conversion, you mus...
Page 42 - Procedure to check pressures; ON
Installation 42 Instruction manual SGS 3 is 3.13.2 Procedure to check pressures 1. There are two test nipples on the gas control: - a supply pressure nipple (1) - a burner pressure nipple (2) Sealing screws are located inside the test nipples. Loosen both sealing screws by a few turns. Do not comple...
Page 43 - Adjusting the pressure; Finalising
Instruction manual SGS 43 is 9. Use the pressure gauge to read the supply pressure at 1nipple (1) (3.4.3 "Gas data") . Note Consult the mains gas supply company if the supply pressure is not correct. 10. Use the pressure gauge to read the burner pressure at nipple (2) (3.4.3 "Gas data...
Page 47 - Filling
Instruction manual SGS 47 gis 5 Filling 5.1 Installation diagram This figure shows the installation diagram. This diagram is used in the sections in which the actual connection process is described. Installation diagram
Page 49 - Filling solar heating system with glycol
Instruction manual SGS 49 gis 6. Completely fill the appliance. When a full water jet flows from the nearest draw-off point, the appliance is full. 7. Bleed the entire installation of air, for example by opening all draw-off points.8. The appliance is now under water supply pressure. There should be...
Page 51 - Draining
Instruction manual SGS 51 gis 6 Draining 6.1 Installation diagram This figure shows the installation diagram. This diagram is used in the sections in which the actual connection process is described. Installation diagram
Page 54 - Draining glycol-filled system
Draining 54 Instruction manual SGS 6 gis 6.4 Draining solar heating system 6.4.1 Draining glycol-filled 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 manufactur...
Page 55 - The control panel; Controls; Electronic controller ON/OFF switch; Name
Instruction manual SGS 55 gis 7 The control panel 7.1 Introduction Topics covered in this chapter:• Controls ; • Meaning of icons ; • Electronic controller ON/OFF switch ; • Navigation buttons ; • PC connection . 7.2 Controls The figure shows the electronic controller. The control panel is completel...
Page 56 - Navigation buttons; PC connection
The control panel 56 Instruction manual SGS 7 gis 7.5 Navigation buttons The use of these buttons is explained with the help of the figure that shows the main menu (11 "Main menu") . The navigation buttons are:• Buttons for UP , and DOWN ; • Enter: ; • Reset button: . The ^ arrows and È indi...
Page 57 - Operating modes
Instruction manual SGS 57 gis 8 Status of the appliance 8.1 Introduction Topics covered in this chapter:• Operating modes ; • Error conditions ; • Service condition . 8.2 Operating modes When running, the appliance has four basic operating modes, namely:• OFF • ON • EXTRA • PROG 8.2.1 OFF In this mo...
Page 58 - Error conditions; Service condition
Status of the appliance 58 Instruction manual SGS 8 gis 2. The current time falls outside a set time period of the week program. The figure shows the display with the following information:- line one: the text PROG ; - line two: the time, the day and T 1 and T net alternately (9.3 "The appliance...
Page 59 - Starting and running; Starting the appliance; The appliance's heating cycle
Instruction manual SGS 59 gis 9 Starting and running 9.1 Introduction Topics covered in this chapter:• Starting the appliance . • The appliance's heating cycle . Note The first time the appliance is started, you must enter (12.8 "Solar heating system configuration") the settings of the solar...
Page 61 - Shutting down; Shut the appliance down for a brief; Electrically isolating the appliance; cause damage to the appliance.; Shutting the appliance down for a long
Instruction manual SGS 61 gis 10 Shutting down 10.1 Introduction This chapter describes:• Shut the appliance down for a brief period ("OFF mode") ; • Electrically isolating the appliance ; • Shutting the appliance down for a long period . 10.2 Shut the appliance down for a brief period ("...
Page 63 - Main menu; Notational convention for menu-related; Setting the water temperature
Instruction manual SGS 63 gis 11 Main menu 11.1 Introduction The MENU is reached by pressing the button on the electronic controller. The main menu comprises:• OFF Select this option if you wish to turn off (10 "Shutting down") the appliance for a brief period, but do not wish to drain it. I...
Page 64 - Starting and stopping the week
Main menu 64 Instruction manual SGS 11 gis 11.4.2 Setting water temperature during ON mode The water temperature can also be directly adjusted when the appliance is in the "ON mode". Simply use:• to increase the value; • to decrease the value. • Confirm with . 11.5 Week program Using the wee...
Page 66 - Adding times to a week program
Main menu 66 Instruction manual SGS 11 gis 11.7.4 Week program: setting the program-controlled pump 1. If required, a pump can be controlled during the period. Use and to set PUMP ON . The pump ensures a regular circulation of hot water in the hot water pipes. You can skip this step if you there is ...
Page 67 - Deleting times from a week program
Instruction manual SGS 67 gis 11.9 Deleting times from a week program All switch-on/off times are shown sequentially in the display. Assume that the switch-on/off times for the appliance are programmed as in the figure. To delete a period, proceed as follows:1. : WEEK PROGRAM | PROGRAM OVERVIEW . Co...
Page 68 - Programming an extra period
Main menu 68 Instruction manual SGS 11 gis If the water temperature becomes too low during the extra period (11.11 "Programming an extra period") , the appliance will run through the heating cycle (9.3 "The appliance's heating cycle") and fall back into the extra period.The same sett...
Page 69 - Adjustable settings
Instruction manual SGS 69 gis 11.12 Settings Using the SETTINGS option, you can adjust certain settings and read certain appliance data:• Adjustable settings - Language of the menu. - Current day of week and time. • Displayable appliance specifications , this category is only relevant to the install...
Page 70 - Displaying appliance specifications
Main menu 70 Instruction manual SGS 11 gis Confirm the minute setting with The time has been set. Note The appliance takes no account of daylight saving. 11.12.3 Displaying appliance specifications Note This category is solely intended for the installation engineer and/or service and maintenance eng...
Page 71 - Service program; Setting the hysteresis; Displaying the appliance history
Instruction manual SGS 71 is 12 Service program 12.1 Introduction The service program is used by the installation engineer or service and maintenance engineer for:• Setting the hysteresis • Displaying the error history • Displaying the appliance history • Display the selected appliance • Setting the...
Page 72 - Display the selected appliance
Service program 72 Instruction manual SGS 12 is 12.5 Display the selected appliance Call up the menu for displaying the appliance selection as follows:• : SELECT APPLIANCE The appliance number can be found on the rating plate. The appliance selection has been correctly preset in the factory. 12.6 Se...
Page 73 - Setting the drain-back tank; Setting the solar limit temperature
Instruction manual SGS 73 is 12.8.1 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 up the menu as follows:• : SETTINGS SOLAR | DRAIN BACK The default is NO . Note The first time the appliance is sta...
Page 74 - Setting the central heating
Service program 74 Instruction manual SGS 12 is • : SETTINGS SOLAR | QT SENSOR 12.8.7 Reading the energy contribution of the solar heating system 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 wi...
Page 75 - Troubleshooting; General errors
Instruction manual SGS 75 gis 13 Troubleshooting 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 manua...
Page 76 - Troubleshooting table for general errors
is Instruction manual SGS 76 13.2 Troubleshooting table for general errors Warning Maintenance may only be performed by a qualified service and maintenance engineer. General errors Symptom Cause Solution Remark Gas smell Gas leak Warning Close the main gas valve immediately. Warning Do not operate a...
Page 79 - Troubleshooting table for displayed errors; Cause
is Instruction manual SGS 79 13.3 Troubleshooting table for displayed errors Displayed errors Code + Description Cause Solution Remark S01 (blocking error) Open circuit from temperature sensor T2 at bottom of the tank Sensor is not (correctly) connected Connect the sensor lead to JP3 See the SGS ele...
Page 90 - Symptom
is Instruction manual SGS 90 13.4 Displayed warnings Displayed warnings Symptom Cause Solution Remark Q/T sensor not correctly connected Lead(s) loosened or incorrectly connected Appliance runs, but displays a warning 1. Properly connect Q/T sensor and the warning will disappear2. If correctly wired...
Page 91 - Determining service
Instruction manual SGS 91 is 14 Maintenance frequency 14.1 Introduction A service should be carried out at least once a year, both on the water side and on the gas side. Maintenance frequency depends, among other things, on the water quality, the average burning time per day and the set water temper...
Page 93 - Preparation for
Instruction manual SGS 93 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 appliance undergoes maintenance on both the water side and the gas side. The maintenance must be carried out in th...
Page 95 - maintenance; Checking the anodes
Instruction manual SGS 95 s 17. Check the drain pipes from the discharge points of all valves and remove any lime buildup that may be present. 18. Drain the appliance (see Draining ). 15.3 Water-side maintenance 15.3.1 Introduction The following steps must be carried out on the water side:1. Checkin...
Page 97 - General warranty
Instruction manual SGS 97 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 a appliance supplied by A.O. Smith water Products Company B.V. of V...
Page 98 - warranty
Warranty (certificate) 98 Instruction manual SGS 16 gis i. The appliance 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 electric anodes are used, it is important to...
Page 99 - Appendices
Instruction manual SGS 99 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 104 - solar heating system
Appendices 104 Instruction manual SGS 17 is 17.4 Electrical diagram, solar heating system Electrical diagram 1 = brown, 2 = blue, 3 = green, 4 = black, 5 = white, 6 = grey/beige, 7 = red, 8 = dark green, 9 = yellow
Page 107 - Week program card
Instruction manual SGS 107 17.5 Week program card You can cut the week program card out and keep it near the appliance. 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 ON ...
Page 109 - Index
Instruction manual SGS 109 Index A ambient temperature 20appliance displaying history 71displaying selection 72types 9, 19 B burner pressure 41 C claims 98connect 28 air supply 28Alarm OUT 38cold water side 26, 27condensation drainage 28electrical 35flue gas discharge 28gas 28hot water side 27isolat...
