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A.O. Smith SGE - page 1
4 0 6 0 Installation User and Service Manual Installation User and Service Manual ...
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A.O. Smith SGE - page 2
www .aosmithinternational.com your installer ...
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A.O. Smith SGE - page 3
Instruction manual SGE 3 gis Read this manual carefully Wa r ni n g 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 water Product s Comp any All rights reserved ...
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A.O. Smith SGE - page 4
4 Instruction manual SGE gis ...
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A.O. Smith SGE - page 5
Instruction manual SGE 5 T able of content s 1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.1 About the appliance - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.2 What to do if you smell gas - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.3 Regulations - - - - - - - - - - - - - - - - - - - - - - - - - - ...
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A.O. Smith SGE - page 6
Table of contents 6 Instruction manual SGE 8 Status of the appliance - - - - - - - - - - - - - - - - - - - - - 59 8.1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 59 8.2 Operating modes - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 59 8.3 Error conditions - - - - - - - - - - - - - - - - - - - - - - - - - ...
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A.O. Smith SGE - page 7
Instruction manual SGE 7 15 Performin g maintenance - - - - - - - - - - - - - - - - - - - - 93 15.1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 93 15.2 Preparation for maintenance - - - - - - - - - - - - - - - - - - - - - - - 93 15.3 Water-side maintenance - - - - - - - - - - - - - - - - - - - - - - - - - 95 15.4 Gas- ...
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A.O. Smith SGE - page 8
Table of contents 8 Instruction manual SGE ...
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A.O. Smith SGE - page 9
Instruction manual SGE 9 gis 1 Introduction 1.1 About the appliance This manual describes how to install, service and use the SGE appliance. The SGE appliance is a condensing boiler with a fan in the air intake. The water is heated partly by means of an external heat exchang er that can be connected to e.g. a solar energy source. The SGE can be ins ...
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A.O. Smith SGE - page 10
Introduction 10 Instruction manual SGE 1 gis Furthermore, the installation must c omply with the ma nufacturer's instructions. Note Later amendments and/or additions to all regulations, require ments and guidelines published on or prio r to the moment of installing, will apply to the installation. 1.4 T arget grou ps The three target groups fo ...
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A.O. Smith SGE - page 11
Instruction manual SGE 11 gis 1.7 Overview of this document Chapter T arget groups Description Worki ng principle of the appliance This chapter describes the working principle of the appliance. Installation This chapter describes the installation acti vity to be completed before you start the appliance fo r the first time. Conversion to a different ...
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A.O. Smith SGE - page 12
Introduction 12 Instruction manual SGE 1 gis ...
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A.O. Smith SGE - page 13
Instruction manual SGE 13 gis 2 W orking principle of the appliance 2.1 Introductio n T opics covered in this chapter: • General working princi ple of the appliance ; • The appliance's heating cycl e ; • Protection for the appliance ; • Safety of the inst allation ; • Protection for the solar heating system . 2.2 General working prin ...
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A.O. Smith SGE - page 14
Working prin ciple of the appliance 14 Instruction manual SGE 2 gis Cut-away view of the appliance 2.3 The appliance's heating cy cle The net water temperature (T net ) in the appliance is used to regula te when both the gas burner and the solar heating system are start ed and stopped. T net is the curve shown in the figure. T he controller us ...
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A.O. Smith SGE - page 15
Instruction manual SGE 15 gis • Hysteresis The moment T net falls below (T set - T sol ar diff - Hysteresis), the controller registers such a heat demand that t he gas burner and the solar heating system jointly heat the water . The solar heating system is only employed when the temperature measured by S 1 is a certain (adjustable) value grater t ...
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A.O. Smith SGE - page 16
Working princi ple of the appliance 16 Instruction manual SGE 2 gis 2.4.2 Appliance water tempe rature protection The electronic controller (4) controls and monitors the safety o f the appliance by means of sensors T 1 and T 2 . S 2 is also used for protection of the appliance. However , this is primarily intended for control of the solar heating s ...
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A.O. Smith SGE - page 17
Instruction manual SGE 17 gis 2.4.6 Flame probe T o ensure that no gas can flow when there is no combustion, the water heater is fitted with a flame probe (21). The electronic con troller uses this probe to detect the presence of a flame, b y mean s of ionisation detecti on. The electronic controller clos es the gas control the inst ant it detects ...
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A.O. Smith SGE - page 18
Working princi ple of the appliance 18 Instruction manual SGE 2 gis 2.6.2 Fluid temperature The heat exchanger of the sola r heating system may be filled with glycol. If th e temperature of the heating flui d is to o high, a signal is sent to the controller of the solar collector and the pump of the solar collector is switched off. This signal is p ...
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A.O. Smith SGE - page 19
Instruction manual SGE 19 is 3 Inst allation Wa r ni n g Installation work should be carried o ut by an approved installation engineer in compliance with the general and local reg ulations imposed by the gas, water and power supply companies and the fire service. The appliance may only be installed in a room that complies with the requirements stat ...
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A.O. Smith SGE - page 20
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 aga inst frost. The t able shows the environmental conditions that must be adhere d to for correct functioning of the electronics presen t in the appliance to be guaranteed . Air humidity and ambient temperature ...
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A.O. Smith SGE - page 21
Instruction manual SGE 21 is 3.3.4 Wo rking clearances For access to the appliance, it is recommended that the follo wing clearances are observed (see figu re): • AA: around the appliance's control col umn and cleaning openings: 100 cm. • BB: all sides of the appliance: 50 cm. • Above the appliance (room to replace the anod es): - 100 cm ...
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A.O. Smith SGE - page 22
Installation 22 Instruction manual SGE 3 is 3.4 T ec hnical specifications The appliance is supplied withou t accessories. Check the dimensions (3.4.1 "Dimensions of th e appliance") , gas data (3.4.3 "Gas data") and other specification s (3.4.2 "General and electrical specifications") of any accessories you plan to us ...
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A.O. Smith SGE - page 23
Instruction manual SGE 23 is Dimensions (all dimensions in mm, unless otherwise st ated) Dime nsion Description SGE 40 SGE 60 A T ot al height 2055 C Position on pallet 490 D Appliance diameter 705 E Depth 925 FW i d t h 755 G Diameter of chimney flue 100 / 150 H Height of chimney flue 1995 Hx x position of chimney flue outlet 260 Hy y position of ...
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A.O. Smith SGE - page 24
Installation 24 Instruction manual SGE 3 is 3.4.2 General and elec trical specifications General and electric al specifications 3.4.3 Gas dat a Gas data DESCRIPTION Unit SGE 40 SGE 60 Capacity litres 370 Empty weight kg 245 Maximum operating pressure bar 8 Maximum temperature of control thermost at °C 80 Number of anodes - 4 Fan speed at ignition ...
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A.O. Smith SGE - page 25
Instruction manual SGE 25 is Gas category 3+: G31 - 37 mbar Orifice diameter mm - 4.00 (1) = No burner pressure regulator (2) = Burner pressure controller 1 or 2 - 1 Nominal load (upper value) kW - 61.8 Nominal output kW - 59.7 Supply pressure mbar - 37 Burner pressure (†) mbar - - Gas consumption (*) kg/h - 4.5 (*) Based on 1013.25 mbar and 15 ? ...
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A.O. Smith SGE - page 26
Installation 26 Instruction manual SGE 3 is 3.5 Installation diagram This figure shows the instal lation diagram . This diagram is used in the sections in which the actual connecti on process is described. Installation diagram ...
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A.O. Smith SGE - page 27
Instruction manual SGE 27 is 3.6 W ater connections, Unvented Wa r ni n g The installation should be carried out by an authorised installation engineer , in compliance with general and local regulatio ns (1.3 "Regulations") . 3.6.1 Col d water side See (A) in the installation diagram (3.5 "Inst allation diag ram") . 1. Fit an ap ...
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A.O. Smith SGE - page 28
Installation 28 Instruction manual SGE 3 is 3.6.4 Condensation drainage 1. Fit a sloping wastewater pipe to the siphon (13) for con densation drainage and connect this to the wastewater d ischarge in the boiler room. Caution All fittings behind the siphon must be conden sation-resistant. 3.7 Water connec tions, Ve n t e d Wa r ni n g The installati ...
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A.O. Smith SGE - page 29
Instruction manual SGE 29 is 3.8 Gas connect ion Wa r n i ng The installation should be carried out by an authorised installation engineer , in compliance with general and local regulatio ns (1.3 "Regulations") . Caution Make sure that the dia meter and length of the gas supply pipe are large enough to supply sufficient capacity to the ap ...
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A.O. Smith SGE - page 30
Installation 30 Instruction manual SGE 3 is T ypes of appliances ...
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A.O. Smith SGE - page 31
Instruction manual SGE 31 is Explanation of type of appliance Note Make sure that the chimney d ischarges into an area where this is permitted for this category of appliance. 3.9.3 Concentric connections The table shows the requireme nts for concentric systems. Wa r ni n g Install flue gas discharge pipe run s with a run-off of 5 mm per metre. Chim ...
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A.O. Smith SGE - page 32
Installation 32 Instruction manual SGE 3 is The following example ill ustrates how to use the table. Practical example of concen tric chimney flue Example The figure shows a SGE 60 installation. The appliance must be fitted with 10 m of concentric pipe (C13/C33) and four 90 degree bends. The configu ration must be checked for compliance with the re ...
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A.O. Smith SGE - page 33
Instruction manual SGE 33 is C13 Concentric wall flue terminal specifications C33 concentric roof flue terminal specifications 3.9.4 Para llel connection s The table st ates the maxi mum pipe lengths fo r parallel systems. The maximum pipe length dep ends on the chosen diameter . Wa r ni n g Install flue component pipe runs with a run-off of 5 mm p ...
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A.O. Smith SGE - page 34
Installation 34 Instruction manual SGE 3 is Y ou must use the lo ngest pipe when calculating the pip e length. For example, if the chimney pipe is 35 metres and the air supply pipe is 32 metres, use 35 metres as the length for the calculation. Next, add th e L equivalent for every 90° and 45° bend to this 35 metres, in both the air supply and chi ...
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A.O. Smith SGE - page 35
Instruction manual SGE 35 is 3.10 Solar heating system Note For the solar heating system connections, refer to the electrical diagram (17.4 "Electrical diagra m, solar heating system") and the tabl e. ( "Electrical connector blo ck") 1. Connect the supply from the solar co llector to the inlet (F) of the heat exchanger (55). 2. ...
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A.O. Smith SGE - page 36
Installation 36 Instruction manual SGE 3 is 3.1 1.2 Prep aration Caution The appliance is pha se-sensitive. It is absolute ly essential to connect the mains phase (L) to th e phase of the appli ance, and the mai ns neutral (N) to the neutral of the appliance. Caution There may be no potential di fference between neutral (N) and earth ( ). If this i ...
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A.O. Smith SGE - page 37
Instruction manual SGE 37 is Electrical connector block (1) For connection to solar heating system 3.1 1.3 Connecting the mains volt age The appliance is supplied with out 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 dou ...
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A.O. Smith SGE - page 38
Installation 38 Instruction manual SGE 3 is 3.1 1.6 Connecting a program-controlled pump 1. Connect phase (L), neu tral (N) and earth ( ) to terminals 10, 1 1 an d 12 as stated in the table (3.1 1.2 "Preparation") . 2. Fit the cable in the strain relief. 3. If you have no more connections to make: - Fit the cap o n the electrical terminal ...
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A.O. Smith SGE - page 39
Instruction manual SGE 39 is 3.12.1 Prep aration Undo the screws of the cap over the termin al blo ck of the collector . This has the following terminals: 3.12.2 Connecting the mains power Note Just as with the appliance controller , the solar heating system controller must have a permanent electrical connecti on to the mai ns power supply . There ...
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A.O. Smith SGE - page 40
Installation 40 Instruction manual SGE 3 is 3.12.5 Connecting tank sensor Note This sensor is alread y mounted in the tank prior to delive ry . The sensor is mounted between the inl et and outlet of the heat exchanger . However , you must still connect the lead to the solar heatin g system controller . 1. Connect the sensor lead with the blade conn ...
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A.O. Smith SGE - page 41
Instruction manual SGE 41 is 3. Connect earth to J12-3. 4. Connect the "flow signal" to J12-4. 5. Fit the cabl e in the strain relief. 6. If you have no more connections to make: - Fit the cap on the electrical te rminal block. - Fit the plastic covers onto the applianc e. 3.13 Checking the supply pressure and burne r pressure Note Before ...
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A.O. Smith SGE - page 42
Installation 42 Instruction manual SGE 3 is 3.13.1 Preparation T o check the supply pressure and burner pressure, proceed as follows: 1. Isolate (10.3 "Electrically i solating the appliance") the wa ter heater from the power supply . 2. Undo the screws of the plastic covers. 3. Carefully remove the covers from th e top of the appliance. T ...
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A.O. Smith SGE - page 43
Instruction manual SGE 43 is 7. Activate the "ON mode" by going th rough the following steps: - Press the blue arrow on ce ( ) to position the cursor in front of ON and press . The display shown here will appe ar . - Confirm th e by pressing START OPERATION . The appliance is now in the "ON mode " and will ignite. 8. Once the di ...
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A.O. Smith SGE - page 44
Installation 44 Instruction manual SGE 3 is 3.13.4 Finalising 1. Shut off the gas supply . 2. Disconnect the two pressure gauges and reti ghten the sealing screws in the test nipples. 3. Replace the cover . Note Before starting-up the appliance, take time to fill in the warranty card supplied with the a ppliance. This enabl es us to guarantee the q ...
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A.O. Smith SGE - page 45
Instruction manual SGE 45 is 4 Conversion to a different gas category Caution The conversion may only by carried out by an authorised installation engineer . If the appliance must operate on a family of gases (LP gas or natural gas) or other gas category than th at for which the appliance has been set at the factory , the appliance will have be ada ...
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A.O. Smith SGE - page 46
Conversion to a differen t gas category 46 Instruction manual SGE 4 is 1. Isolate the water heate r from the power supply (1 0.3 "Electrically isolating the appliance") . 2. Shut off the gas supply . 3. Undo the screws of the plastic covers. 4. Carefully remove the covers from the to p of the appliance. 5. Detach the connector (1) that co ...
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A.O. Smith SGE - page 47
Instruction manual SGE 47 is 10. Check whether there is a burner pressure regulator (7) attached to the top of the gas control, or simply a blank plate (8). Note In the event of the supply pressure for a gas categ ory being the same as the burner pressure (3.4.3 "Gas data") , the gas control must be fitted with a blanking plate with a cor ...
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A.O. Smith SGE - page 48
Conversion to a differen t gas category 48 Instruction manual SGE 4 is ...
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A.O. Smith SGE - page 49
Instruction manual SGE 49 gis 5 Filling Installation diagram ...
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A.O. Smith SGE - page 50
Filling 50 Instruction manual SGE 5 gis 5.1 Filling the appliance 5.1.1 Filling unvented installations T o fill the appliance, proceed as follo ws: 1. Open the stop valve (1 1) in the hot wate r pipe and, if present, the stop valves (4) for the circulation pump (6). 2. Close the drain valve (9). 3. Open the nearest hot wate r draw-off point (14). 4 ...
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A.O. Smith SGE - page 51
Instruction manual SGE 51 gis 5.2 Filling solar heating system 5.2.1 Filling solar heating system with glycol Note No special safety measures are requ ired when working with the diluted glycol solution specified by the manufacturer . For more information abou t the fluid, please co nt act the manufacturer . Wa r ni n g Before filling the solar h ea ...
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A.O. Smith SGE - page 52
Filling 52 Instruction manual SGE 5 gis 10. Repeat ste ps 6 through 9 until glycol runs out of the ai r bleed (26). Note The system does not need be fille d to a certain pressure. The pressure in the system will increase when the fluid heat s up and expands. 1 1. Switch off the glycol pump. 12. Close the valve of the inl et combination and disconne ...
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A.O. Smith SGE - page 53
Instruction manual SGE 53 gis 6 Draining Installation diagram ...
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A.O. Smith SGE - page 54
Draining 54 Instruction manual SGE 6 gis 6.1 Draining unvented inst allations 1. Activate the MENU with . 2. Position the cu rsor in front of OFF . 3. Confirm OFF with . 4. W ait until the fan has stopped. The symbol is then dimmed. Caution Failure to wait until the fan stop s purging can cause damage to the appliance. 5. Switch the appliance OFF ( ...
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A.O. Smith SGE - page 55
Instruction manual SGE 55 gis 6.2 Drainin g vented inst allations 1. Activate the MENU with . 2. Position the cursor in front of OFF . 3. Confirm OFF with . 4. Wait until the fa n has stopped . The symbol is then dimmed. Caution Failure to wait until the fan stops purging can cause damage to the appliance . 5. Switch the appliance OFF (position 0) ...
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A.O. Smith SGE - page 56
Draining 56 Instruction manual SGE 6 gis 4. W ait until the fan has stopped. The symbol is then dimmed. Caution Failure to wait until the fan stop s purging can cause damage to the appliance. Wa r ni n g The fluid in the pipes and the pi pes themselves can be extremely ho t! W ait therefore until the a ppliance has cooled down sufficiently . Note T ...
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A.O. Smith SGE - page 57
Instruction manual SGE 57 gis 7 The control p anel 7.1 Introductio n T opics covered in this chapter: • Controls ; • Meaning of ico ns ; • Electronic controller ON/OFF switch ; • Navigation buttons ; • PC connection . 7.2 Controls The figure shows the el ectronic controller . The control panel is completely menu-driven, and comprises: • ...
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A.O. Smith SGE - page 58
The control pane l 58 Instruction manual SGE 7 gis 7.5 Navigation buttons The use of these buttons is explai ned with the help of the figure th at shows the main menu (1 1 "Main menu") . The navigation buttons are: • Buttons for UP , and DOWN ; • Enter: ; • Reset button: . The ^ arrows and È indicate that you can scroll up and/or d ...
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A.O. Smith SGE - page 59
Instruction manual SGE 59 gis 8 S t atus of the appliance 8.1 Introductio n T opics covered in this chapter: • Operating modes ; • Error conditions ; • Service con dition . 8.2 Operating modes When running, the applian ce has four basic operating modes, namely: • OFF • ON • EXTRA • PROG 8.2.1 OFF In this mode, the fro st protection is ...
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A.O. Smith SGE - page 60
Status of the app liance 60 Instruction manual SGE 8 gis - line four: is empty , or depend ing on the heating cycle (9.3 "The appliance's heating cycle") , a text such as HEAT DEMAND . 2. The current time falls outside a set time period of the week program. The figure shows the display with th e following information: - line one: the ...
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A.O. Smith SGE - page 61
Instruction manual SGE 61 gis 9 S t arting and running 9.1 Introductio n T opics covered in this chapter: • S tarting the appliance . • The appliance' s heating cycle . Note The first time the applia nce is st arted, you must enter (12.9 "Solar heating system configu ration") the settings of the solar heating system 9.2 St arting ...
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A.O. Smith SGE - page 62
Starting and ru nning 62 Instruction manual SGE 9 gis The complete cycle is explai ned in the following example, which assumes the appliance is in the basic mode ON . Note The same heating cycle applies to the other operating modes. Once the appliance st arts, it will ru n through the following steps: 1. The water temperature drops below the set te ...
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A.O. Smith SGE - page 63
Instruction manual SGE 63 gis 10 Shutting down 10.1 Introductio n This chapter describes: • Shut the appliance down for a brief peri od ("OFF mode") ; • Electrically isolating th e appliance ; • Shutting the a ppliance down for a long period . 10.2 Shut the applian ce down for a brief period ("OFF mode") T o shut the appli ...
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A.O. Smith SGE - page 64
Shutting down 64 Instruction manual SGE 10 gis ...
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A.O. Smith SGE - page 65
Instruction manual SGE 65 gis 1 1 Main menu 1 1.1 In troduction The MENU is reached by pressing the button on the electronic controller . The main menu comprises: • OFF Select this optio n if you wish to turn off (10 " Shutting down") the applia nce for a brief period, but do not wish to dr ain it. In this mode, the frost protection is ...
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A.O. Smith SGE - page 66
Main menu 66 Instruction manual SGE 11 gis 1 1.4.2 Setting water temperature d uring ON mode The water temperatu re can also be di rectly adjusted when the appliance is in the "ON mode". Simply use: • to increase the value; • to decrease the value. • Confirm with . 1 1.5 Week p rogram Using the we ek program, you can set the water t ...
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A.O. Smith SGE - page 67
Instruction manual SGE 67 gis The display shows the menu for the week program, see the figure below . With the default setting, the program switches on and off every day at 00:00 and 23:59 hours respectively , the water temperature is 65°C and the pump is switched on ( P ). Example As an example, we wi ll set the switch-on time for Sunday to 08:15 ...
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A.O. Smith SGE - page 68
Main menu 68 Instruction manual SGE 11 gis 1 1.7.4 Week program: setting t he 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 circulatio n of hot water in the ho t water pipes. Y ou can skip this step if you there is no pump in your hot water circuit. Confirm w ...
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A.O. Smith SGE - page 69
Instruction manual SGE 69 gis 1 1.9 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 th e figure. T o delete a period, proceed as follows: 1. : WEEK PROGRAM | PROGRAM OVERVIEW . Confirm with . 2. Scroll with to PROGRAM OVERVI ...
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A.O. Smith SGE - page 70
Main menu 70 Instruction manual SGE 11 gis If the water temperature becomes too low during the extra perio d (1 1.1 1 "Programming an extra pe riod") , the appliance will run through the heating cycle (9.3 "The applianc e's heating cycle") and fall back into the extra period. The same settin gs can be made for an extra peri ...
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A.O. Smith SGE - page 71
Instruction manual SGE 71 gis 11 . 1 2 S e t t i n g s Using the SETTINGS option, you can adjust certain settings and read certain appliance data: • Adjustable settings - Languag e of the menu. - Current day of week and time. • Displayable appliance specifications , this category is only relevant to the installation engineer and/o r service and ...
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A.O. Smith SGE - page 72
Main menu 72 Instruction manual SGE 11 gis Confirm the minute setting with The time has been set. Note The appliance takes no account of daylight saving. 1 1 .12.3 Displaying app liance specifications (SGE) Note This category is sol ely intended for the installation engineer and/or servi ce and maintenance e ngineer . The table shows the correct se ...
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A.O. Smith SGE - page 73
Instruction manual SGE 73 is 12 Service program 12.1 Introductio n The service program i s used by the installation engineer or servi ce and maintenance e ngineer for: • Setting the hysteresis • Displaying the error history • Displaying the appliance history • Display the selected appliance • Setting the servi ce interval • Setting legi ...
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A.O. Smith SGE - page 74
Service program 74 Instruction manual SGE 12 is 12.5 Display the select ed appliance Call up the menu for d isplaying the appliance selectio n as follows: •: SELECT APPLIANCE The appliance number ca n be found on the rating plate. The appliance selection has been correctly preset in the factory . 12.6 Switching the pump on or off If a program-con ...
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A.O. Smith SGE - page 75
Instruction manual SGE 75 is • Now set the day and time the same way as described for setting an extra period in the week menu (1 1.1 1 "Programming an extra period") . In this case however , the pump will be automatically started. •S e l e c t START to start. 12.9 Solar heat ing system configura tion Use the solar heating system sett ...
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A.O. Smith SGE - page 76
Service program 76 Instruction manual SGE 12 is •: SETTINGS SOLAR | SOLAR DIFFERENCE 12.9.6 Setting the QT sensor yes/no The energy contribution of the solar heatin g system can be calculated (12.9.7 "Reading the energ y contribution of the so lar h eating system") with the aid of the Q/T sensor . This calc ulation is only possi ble if ...
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A.O. Smith SGE - page 77
Instruction manual SGE 77 gis 13 T roubleshooting 13.1 Introductio n A distinction is made between: • General errors General errors are not reported on the displa y . General errors are: - Gas smell - Display does not light up - Insufficient or no hot water . - Water leakage - Explosive ignition. The manual include s a table with general errors ( ...
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A.O. Smith SGE - page 78
is Instruction manual SGE 78 13.2 T roubleshooting t able for general errors Wa r ni n g Maintenance may only be perfo rmed by a qualified service and maintenance engi neer . General erro rs Symptom Cause Solution Remark Gas smell Gas leak Wa r ni n g Close the main gas valve immediately . Wa r ni n g Do not operate any switches. Wa r ni n g No nak ...
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A.O. Smith SGE - page 79
is Instruction manual SGE 79 W ater leakage Leakage from a water connection (threaded) T ighten the threa ded connection If the leak persists, consult your installation engine er Condensate leakage Check that the condensation water discharge is working properly . Rectify if necessary Leakage from another nearby water appliance or pipe segment T rac ...
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A.O. Smith SGE - page 80
is Instruction manual SGE 80 Glycol leakage Leakage from a fluid connection (threaded) T ighten the threa ded connection. If the le ak pers ists or a component needs replacement, consult your installation engineer Leakage from a component 1. Tighten component joints 2. Any defective components must be replaced Leakage from solar heating system Cons ...
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A.O. Smith SGE - page 81
is Instruction manual SGE 81 13.3 T roubleshooting t able for displayed errors Displayed errors Code + Descripti on 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 SGE electrical diagram (17 "Appendices") Dam ...
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A.O. Smith SGE - page 82
is Instruction manual SGE 82 S08 (blocking error) Open circuit from temperature sensor S1 in the collector Sensor is not (correctly) connected Connect the sensor lead to J13 (port 2 and 4) of the solar co ntroller See the SGE electri cal diagram (17 "Appendices") Damaged cable or defective sensor Replace the sensor T o replace the necessa ...
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A.O. Smith SGE - page 83
is Instruction manual SGE 83 S18 (blocking error) Short circuit in temp. sensor S1 in the collector Short circuit in sensor circuit Replace sensor S1 T o replace the necessary pa rts, you must contact your installation engineer F01 (blocking er ror) Defect in power supply circuit Live and neutral connected wrong way round Connect live and neutral c ...
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A.O. Smith SGE - page 84
is Instruction manual SGE 84 F03 (lock out error) The pressure switch fails to work correctly Damaged wiring/Open circuit 1. Check the wiring betwee n th e pressure switch and the controller 2. If necessary , replace the wiring If the error cannot be resolved or is persistent, contact your installation engineer T o replace the necessary parts, you ...
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A.O. Smith SGE - page 85
is Instruction manual SGE 85 F04 (lock out error) Three unsuccessful ignition attempts. No gas 1. Open the main gas valve and/ or the manual gas valve supplying the water heater 2. Check the supply pressure to the gas control 3. If necessary , repair the gas supply T o rep air the gas supply , contact your installation engineer Air in the gas pi pe ...
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A.O. Smith SGE - page 86
is Instruction manual SGE 86 F06 (lock out error) Short circuit between flame probe and earth Damaged cable in contact with metal surface. Check the wiring of the flame pr obe. If necessary , replace the wiring. If the error persists, contact your inst allation eng ineer . T o replace the necessary parts, you must contact your installation engineer ...
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A.O. Smith SGE - page 87
is Instruction manual SGE 87 F10 (lock out error) Restriction on the number of ig nition attempts based on pressure switch state changes. Pressure switch not closing 1. Check th e running speed of th e fan (12.5 "Display the selected appliance") 2. Check that the hoses on th e pre ssure switch and the air supply hose between fan and burne ...
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A.O. Smith SGE - page 88
is Instruction manual SGE 88 C02 (lock out error ) Error message from the appliance controller . Incorrect reference voltage from the AD converter . 1. Reset electron ic controller . 2. Check that the frequency of the power supply is compliant (3.4.2 "General and electrical specifications") . If this is not the case, contact your installa ...
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A.O. Smith SGE - page 89
is Instruction manual SGE 89 E01 (blocking error) The temperature protection at the top of the tank has been activated. The temperature of the water at the top of the tank is > 85 o C. None. This is a temporary message that may appear from time to time, but will disapp ear automatically . E03 (lock-out error ) Error in temperature sensor T 1 at ...
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A.O. Smith SGE - page 90
is Instruction manual SGE 90 13.4 Displayed warn ings Displayed warning s 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 disappear 2. If correctly wired but the warnin g remains, replace sens or Note ...
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A.O. Smith SGE - page 91
Instruction manual SGE 91 is 14 Maintenance frequency 14.1 Introductio n A service should be carried ou t at least once a year , both on the water sid e and on the gas side. Maintenance fre quen cy depends, among other things, on the water quality , the average burning time per day and th e set water temperature. Note Regular maintenance extends th ...
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A.O. Smith SGE - page 92
Maintenance frequency 92 Instruction manual SGE 14 is ...
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A.O. Smith SGE - page 93
Instruction manual SGE 93 s 15 Performing maintenance 15.1 Introductio n Caut ion Maintenance may only by carried out by an approved service an d maintenance engineer . At each service, the appliance unde rgoes maintenance on both the w ater side and the gas side. The maintena nce must be carried out in the following ord er . 1. Preparation for mai ...
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A.O. Smith SGE - page 94
Performing maintenance 94 Instruction manual SGE 15 s 6. Switch the electronic controlle r ON by setting the ON/OFF switch to position I . The display will now show INTERNAL CHECK for about 10 seconds, and will then go to the main menu. 7. Activate "ON mode" by going through the following steps: - Press once on the blue arrow ( ) to posit ...
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A.O. Smith SGE - page 95
Instruction manual SGE 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 applia nce (see Draining ). 15.3 W ater-sid e maintenance 15.3.1 Introd uction The following steps must be carried out on the water side: 1. Checking the anodes . 2. Descaling and cleaning the ...
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A.O. Smith SGE - page 96
Performing maintenance 96 Instruction manual SGE 15 s 5. If the scale cannot be remo ved by hand, then the appliance will need to be descaled using a descaling agent. Contact the supplier for advice on the preferred descaling agent. 6. Close the clean ing opening. T o avoid damage to the tank, tighten the bolts that fasten the lid with a to rque no ...
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A.O. Smith SGE - page 97
Instruction manual SGE 97 gis 16 W arranty (certificate) T o register your warranty , you shou ld complete and return the enclose d warranty card after which a wa rranty ce rtificate will be sent to you. This certificate gives the owner o f a applianc e supplied by A.O. Smith water Products Company B.V . of V eldhove n, The Nether lands (hereinafte ...
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A.O. Smith SGE - page 98
Warranty (certificate) 98 Instruction manual SGE 16 gis temperature and pressure relief valve, fitted in accord ance with installation instructions of A.O. Smith applying to the spe cific model of water heater , and furthe r in compliance with the government and local authority installation and building codes, rule s and regulations. i. The applian ...
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A.O. Smith SGE - page 99
Instruction manual SGE 99 is 17 Appendices 17.1 Introductio n This appendix contains: • Menu structure of the main menu (17.2 "Menu structure") • Appliance electrical diagram (1 7.3 "Electrical diagram for the appliance") • Electrical diagram, solar heating system (17.4 "Electrical diagram, solar heating system") ...
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A.O. Smith SGE - page 100
Appendices 100 Instruction manual SGE 17 is 17.2 Menu structure WORKING SPEED SOLAR DIFFERENCE CONTROL SERVICE MENU MAIN MENU HYSTERESE OFF HYSTERESE DOWN ON HISTORIE OF ERRORS START OPERATION CHANGE SETPOINT APPLIA NCE HISTORY WEEK PROGRAM SELECT APPLIA NCE START OPERATION PUMP RELAY PROGRAM OVERVIEW EXTRA PERIOD SERVICE INTERVAL ANTI LEGIONELLA S ...
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A.O. Smith SGE - page 101
Instruction manual SGE 101 is ...
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A.O. Smith SGE - page 102
Appendices 102 Instruction manual SGE 17 is 17.3 Electrical diagram for the appliance Electrical diagram 1 = brown, 2 = blue, 3 = green, 4 = bl ack, 5 = white, 6 = gr ey/beige, 7 = red, 8 = dark green, 9 = yellow ...
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A.O. Smith SGE - page 103
Instruction manual SGE 103 is Main control compo nents Main controller termin al strip A Controll er B Flame prob e C Hot surface igniter D Gas control E Burner e arth connection F Extra ON mode switch G Continuous pump J Program-con trolled pump K Extra e rror signal connection L Double-pole isolator M Controller 0/I swit ch ND i s p l a y OF a n ...
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A.O. Smith SGE - page 104
Appendices 104 Instruction manual SGE 17 is 17.4 Electrical diagram, solar heating s ystem Electrical diagram 1 = brown, 2 = blue, 3 = green, 4 = bl ack, 5 = white, 6 = gr ey/beige, 7 = red, 8 = dark green, 9 = yellow ...
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A.O. Smith SGE - page 105
Instruction manual SGE 105 is 17.4.1 Solar system electrical dia gram legend Solar heating system control components T erminal blo ck for solar heating sy stem controller AA Controller BB Extra head pump for sola r heating system (ON/OFF) CC Solar heating system pump (modulating) DD T emperature sensor (S1 - solar collector) EE T emperature sensor ...
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A.O. Smith SGE - page 106
Appendices 106 Instruction manual SGE 17 is ...
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A.O. Smith SGE - page 107
Instruction manual SGE 107 17.5 Week program card Y ou can cut the week program card out and keep it near the appliance. Example Period DA Y TIME T set 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 / OFF OFF 7. ON ....°C ON / OFF OFF 8. O ...
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A.O. Smith SGE - page 108
Instruction manual SGE 108 ...
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A.O. Smith SGE - page 109
Instruction manual SGE 109 Index A ambient temperature 20 appliance displaying history 73 displaying selection 74 types 9, 19 B burner pressure 41 C claims 98 connect 28 air supply 29 Alarm OUT 38 circulation piping 27, 28 cold water side 27, 28 condensation drainage 28 continuous pump 37 electrical 35 flue gas discharge 29 gas 29 hot water side 27 ...
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A.O. Smith SGE - page 110
0308 817 1.0 UK Index Instruction manual SGE on 59 ON mode 65 on/off switch 57 operating modes EXTRA 59 general 59 OFF 59 ON 59 PROG 59 P packaging 19 PC connection 58 post-purge 61 power cable 37 pre-glow 61 pre-purge 61 pressure switch 61 prog 59 protection 15 pump 74 push buttons 57 R running 61 S scale 95 scrolling 58 service check 10, 91 servi ...
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