A.O. Smith 28 30 50 60 manuel d'utilisation

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Tout d'abord, le manuel d’utilisation A.O. Smith 28 30 50 60 devrait contenir:
- informations sur les caractéristiques techniques du dispositif A.O. Smith 28 30 50 60
- nom du fabricant et année de fabrication A.O. Smith 28 30 50 60
- instructions d'utilisation, de réglage et d’entretien de l'équipement A.O. Smith 28 30 50 60
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

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Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage A.O. Smith 28 30 50 60 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles A.O. Smith 28 30 50 60 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service A.O. Smith en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées A.O. Smith 28 30 50 60, comme c’est le cas pour la version papier.

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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif A.O. Smith 28 30 50 60, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation A.O. Smith 28 30 50 60. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    W A TER PRODUCTS COMP ANY A DIVISION OF A. O. SMITH CORPORA TION XTRA HIGH EFFICIENCY X T R A H I G H E F F I C I E N C Y X T R A H I G H E F F I C I E N C Y Installation User and Service Manual 28 30 50 60 Release R.1. 3 UK[...]

  • Page 2

    your installer www.aosmithinternational.com[...]

  • Page 3

    Release R.1.3 UK 3 Wa rn i n g Read this manual careful ly before first using the water heater . Failure to read this manual and to follow the instructi ons in this manual may lead to accidents, personal injury , and damage to the appliance. Copyright Copyright 2003 A.O. Smith W ater Products Comp any All rights reserved. Nothing from this publicat[...]

  • Page 4

    4 Instruction Manual BFC[...]

  • Page 5

    Release R.1.3 UK 5 gis 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 - - - - - - - - - - - - - - - - - - - - - - - - - - - [...]

  • Page 6

    6 Instruction Manual BFC gis 3.10 Electrical connection - - - - - - - - - - - - - - - - - - - - - - - - - - - 30 3.10.1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - 30 3.10.2 Preparation- - - - - - - - - - - - - - - - - - - - - - - - - - - 30 3.10.3 Mains voltage - - - - - - - - - - - - - - - - - - - - - - - - - 31 3.10.4 Isolat[...]

  • Page 7

    Release R.1.3 UK 7 gis 8.5 Week programme - - - - - - - - - - - - - - - - - - - - - - - - - - - - 55 8.5.1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - 55 8.5.2 Starti ng up and shutting down the week program - - - - - - - - 55 8.5.3 Changi ng the appliance’s standard week program - - - - - - - 55 8.5.4 Adding times to a week [...]

  • Page 8

    8 Instruction Manual BFC gis 13.2 Tank warranty - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 89 13.3 Installat ion and conditions o f use - - - - - - - - - - - - - - - - - - - - - 89 13.4 Exclusions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 89 13.5 Scope of the warranty - - - - - - - - - - - - - - - - - - - - [...]

  • Page 9

    About the appliance Release R.1.3 UK 9 gis 1 Introduction 1.1 About the appliance This manual describes how to install, servi ce and use the BFC appliance. The BFC appliance is a condensing room-seal ed water heater with a fan in the air intake. A concentric chimney connector is fitted standard to the appliance. Alternatively , the appliance can be[...]

  • Page 10

    Introduction 10 Instruction Manual BFC 1 gis Furthermore, the installation must comply with the manufacturer’s instructions. n Remark Later amendments and/or additions to all regulations, requirements and guidelines published on or prior to the moment of inst al ling, will apply to the installation. 1.4 T arget group s The three target groups for[...]

  • Page 11

    Overview of th is document Release R.1.3 UK 11 gis 1.7 Overview of this document Ta b l e 1 . 2 provides an overview of the contents of this docu ment. Ta b l e 1 . 2 Contents of document Chapter T arget groups Description 2 Functioning of the appliance gis This chapter d e scribe s how the appliance functions. 3 Installation is This chapter descri[...]

  • Page 12

    Introduction 12 Instruction Manual BFC 1 gis[...]

  • Page 13

    Introd uction Release R.1.3 UK 13 gis 2 Functioning of the appliance 2.1 Introductio n T opics co vered in this chap ter: • Functional d escription of the appliance ; • The appliance’s heating cycle ; • Protection for the appliance ; • Safety of the inst allation . 2.2 Functional description of the appliance Figure 2.1 shows a cut-away vi[...]

  • Page 14

    Functioning of the ap pliance 14 Instruction Manual BFC 2 gis In this appliance the col d water enters t he bottom of the tank via the cold water inlet n . The tap water , heated by the combustion chamber h and heat exchanger k , leaves the tank through the hot water outlet b . Once the appliance is completely filled with wate r, it re mains const [...]

  • Page 15

    Protection for the appliance Release R.1.3 UK 15 gis 2.4.1 Water temperatu re protection With temperature sensor T1 g and temperatu re sensor T2 m , the ThermoControl monitors three temperatures which are important for safety . Ta b l e 2 . 1 explains the functioning of the temperature sensors. 2.4.2 Gas co ntrol The ThermoControl opens the gas con[...]

  • Page 16

    Functioning of the ap pliance 16 Instruction Manual BFC 2 gis T able 2.2 shows the trip point per app liance. n Remark The trip point of the pressure switch is not adjustable. 2.4.5 Ionisation rod T o ensure that no gas will fl ow when there is no combustion, an ionisation rod has been fitted. The ThermoControl uses th is rod for flame d etection, [...]

  • Page 17

    Introd uction Release R.1.3 UK 17 is 3 Inst allation Wa rn i n g The installation should be carried out by an approved installer in compliance with the general and lo cal regulations imposed by the gas, water and power supply companies and the fire service. The appliance may only be installed in a room which complies w ith the requirements stated i[...]

  • Page 18

    Installation 18 Instruction Manual BFC 3 is 3.3.1 Humidity and ambient temp erature The boiler room must be frost-free, or be protected against frost. T able 3.1 shows the environmental conditions th at must be adhered to, for correct functioning of the electronics presen t in the appliance to be guaranteed. 3.3.2 Maximum floor loading In connectio[...]

  • Page 19

    Environmental conditions Release R.1.3 UK 19 is If the available clearance is less than 100 cm, fle xible magnesium anodes may be ordered from A.O. Smith, the installer / supplier . n Remark When installing the appliance, be aw are that any leakage from the tank and/ or connections can cause damage to t he immediate environment or floors below the [...]

  • Page 20

    Installation 20 Instruction Manual BFC 3 is 3.4 T ech n i cal specifications The appliance is supp lied without accessories. Check the dimensions and oth e r specifications for the accessories to be used, based on Figure 3.2 and T able 3.6 . Figure 3.2 Plan and elevation of the applian ce IMD-0073[...]

  • Page 21

    Technical specifications Release R.1.3 UK 21 is Ta b l e 3 . 4 Dimensions Dime nsion Description BFC 28 BFC 30 BFC 50 BFC 60 A T otal height (mm) 1370 1900 1900 1900 D Diameter of the appliance (mm) 705 705 705 705 G Diameter of air supply/flue gas dischar ge (mm) 80/125 100/150 100/150 100/150 K Height of the gas con nection (mm) 1270 1810 1810 18[...]

  • Page 22

    Installation 22 Instruction Manual BFC 3 is Electrical power consumption W 175 Supply voltage V AC 230 (-15% +10%) Mains frequency Hz 50 (±1 Hz) Ta b l e 3 . 5 Gene ral and electrical dat a DESCRIPTION Unit BFC 28 BFC 30 BFC 50 BFC 60[...]

  • Page 23

    Installation diagram Release R.1.3 UK 23 is Ta b l e 3 . 6 Gas data 3.5 Inst allation diagram Figure 3.3 shows the water and gas connection diagrams fo r unvented and vented installations. The following paragraphs, describing the conne ctions in detail, make reference to these diagrams Gas category data II 2H3+ Unit BFC 28 BFC 30 BFC 50 BFC 60 Data[...]

  • Page 24

    Installation 24 Instruction Manual BFC 3 is Legend a pressure-reducing valve (mandatory) b expansion vessel (mandatory) c T&P valve (mandato ry) d stop valve (re commended) e non-return valve (mandatory) f circulation pump (optional) g drain valve h gas valve (mandatory) i stop valve (ma ndatory) j temperature gauge (optional) k condensation dr[...]

  • Page 25

    Water connections, Unv e nte d Release R.1.3 UK 25 is 3.6 W ater connections, Unvented 3.6.1 Col d water side See a in Figure 3.3 . 1. Fit an approved stop valve i on th e cold water side as required by regulations. Refer also to paragraph ’1.3 Regulations’ . 2. The maximu m working pressure of the appliance is 8 bar . Because the pressure in t[...]

  • Page 26

    Installation 26 Instruction Manual BFC 3 is 3.7 Water connec tions, Ve n t e d 3.7.1 Cold water side See a in Figure 3.3 . 1. Fit an a pproved stop valve i on the cold water side between the water cistern n and the appli ance, as required by regulations. Refe r also to paragraph ’1.3 Regulations’ . 3.7.2 Hot water side See b in Figure 3.3 . n R[...]

  • Page 27

    Air supply and flue gas discharg e Release R.1.3 UK 27 is 4. Fit the gas suppl y p ipe to the gas control. Wa rn i n g Check for leaks after fitting. 3.9 Air supply and flue gas discharge Wa rn i n g The installation should be carried out by an auth orised inst aller, in compliance with the general and local regulation s i m p osed by gas, water su[...]

  • Page 28

    Installation 28 Instruction Manual BFC 3 is 3.9.1 Concentric wall flue terminal T able 3.8 shows the wall flue terminal prescribed by A.O. Smith (installation type C13). Figure 3.4 W all flue terminal A B IMD-0075 Ta b l e 3 . 8 Concentric wall fl ue terminal specifications Specification Description Manufacturer Muelink & Grol Model M2000 MDV S[...]

  • Page 29

    Air supply and flue gas discharg e Release R.1.3 UK 29 is 3.9.2 Con centric roof flu e terminal A.O. Smith W ater Products Company prescribes the roof flue terminal (installation type C33) as specified in Ta b l e 3 . 9 . IMD-0004 Figure 3 .5 Roof flue terminal Ta b l e 3 . 9 Concentr ic r oof flue te rminal specifications Specificati on Descriptio[...]

  • Page 30

    Installation 30 Instruction Manual BFC 3 is 3.10 Electrical connection Wa rn i ng The installation should be ca rried out by an approved installer in complianc e with the general and local regulations imposed by the gas, water and po wer supply companies and the fire service. Refer also to paragraph ’1.3 R egulations’ . 3.10.1 Introduction T op[...]

  • Page 31

    Electrical connectio n Release R.1.3 UK 31 is In preparation you should first remove the two plastic covers and the protective cap of the electr ical section. The plastic covers are attached to the appliance by 4 screws and V elcro fastenings. The covers are also joined to each other with V elcro fastenings. 1. Unscrew the screws of the plastic cov[...]

  • Page 32

    Installation 32 Instruction Manual BFC 3 is 4. Connect th e power cord to the main switch. Wa rn i n g Leave the appliance disconnected unt il you are ready to start it up. 5. If you do not need to make any more co nnections: - Fit the cap o n the electrical connection block. - Fit the plastic covers onto the appliance. 3.10.4 Iso lating T rans for[...]

  • Page 33

    Checking the sup ply pressure and burner pres sure Release R.1.3 UK 33 is 3. If you do not nee d to make any more connections: - Fit the cap on the electrical conne ction block. - Fit the plastic covers onto the applianc e. 3.10.8 Connecting extr a error signal (“Alarm OUT”) Alarm OUT is a potential free terminal that is switched when an error [...]

  • Page 34

    Installation 34 Instruction Manual BFC 3 is 9. Turn the ThermoControl ON by setti ng the 0/I switch to po sition I . The display will now show INTERNAL CHECK for about 10 seconds, and will then go to the main menu. 10. Activate the “ON mode” by goi ng through the foll owing steps: - Press on ce on the blue arrow ( L ) to bring the pointer ( » [...]

  • Page 35

    Conversion to a d i ffer ent gas category Release R.1.3 UK 35 is 17. Activate the “OFF mode” of the ThermoControl: - If the MENU is not displayed: press B . - Use H and L to position the cursor ( » ) beside OFF - Confirm with E . 18. W ait until the fan has stopped . and turn the ThermoControl of f. c Note Failure to wait until the fan stops c[...]

  • Page 36

    Installation 36 Instruction Manual BFC 3 is 8. Remo ve the b urner as comple te assembly . 9. Place and fit the burner with parts from the conversion kit. n Remark The burner for LP gases can be recognised by the letter ‘P’ which is stamped into the metal of the gas/air distribution plate 5 . 10. Select and fit the correct orifice from the conv[...]

  • Page 37

    Conversion to a d i fferent gas category Release R.1.3 UK 37 is n Remark In the event the supp ly pressure for a gas category is the sa me as the burner pressure (see the gas tables in paragraph 3.4 ) then the gas control must be fitted with a flat sealin g plate with cork gasket. A burner pressure that deviates in comparison to the suppl y pr essu[...]

  • Page 38

    Installation 38 Instruction Manual BFC 3 is[...]

  • Page 39

    Introd uction Release R.1.3 UK 39 gis 4 Filling and draining 4.1 Introductio n T opics co vered in this chap ter: • Filling the appli ance . • Draining the appliance . The components refe rred to in thes e paragraphs are illustrated in F igure 4.1 . 4.2 Filling the appliance 4.2.1 Filling unvented inst allations T o fill the appliance, proceed [...]

  • Page 40

    Filling an d draining 40 Instruction Manual BFC 4 gis Legend a pressure-reduci ng valve (mandatory) b expansion vessel (mandatory) c T&P valve (mandatory) d stop valve (recommended) e non-return valve (mandatory) f circulation pump (optiona l) g drain valve h gas valve (mandatory) i stop valve (mandatory) j temperature gauge (optiona l) k conde[...]

  • Page 41

    Draining the appliance Release R.1.3 UK 41 gis 4.3 Drainin g the appliance 4.3.1 Draining unvent ed installations Some service activities requ ire the appli ance to be drained. The procedure is as follows: 1. Activate the MENU with B . 2. Use H and L to place the cursor beside OFF . See Figure 4.2 . 3. Confirm OF F with E . 4. Wait until the fan ha[...]

  • Page 42

    Filling an d draining 42 Instruction Manual BFC 4 gis[...]

  • Page 43

    Introd uction Release R.1.3 UK 43 gis 5 The control p anel 5.1 Introductio n T opics co vered in this chap ter: • 5.2 Operating ; • 5.3 Explanation of the i c o ns ; • 5.4 ON/OFF switch of ThermoControl ; • 5.5 Navigation buttons ; • 5.6 PC connection. . 5.2 Operating Figure 5.1 shows the The r mo Control. The control panel is completely [...]

  • Page 44

    The control pane l 44 Instruction Manual BFC 5 gis 5.3 Expla nation of the icons T able 5.1 gives an explanatio n of the ico n s. 5.4 ON/OFF sw itch of ThermoControl The ON/OFF switch of the ThermoContro l switches the applianc e ON and OFF . Note that in the OFF position the applia nce remains electrically live, in order for the continuous pump to[...]

  • Page 45

    Introd uction Release R.1.3 UK 45 gis 6 S t atus of the appliance 6.1 Introductio n T opics co vered in this chap ter: • 6.2 Operating modes ; • 6.3 Error conditions ; • 6.4 Service condition . 6.2 Operating modes When running, the appliance has four basic operating modes, namely: OFF In this mode, the frost pr otection is activated. Figure 6[...]

  • Page 46

    Status of the app liance 46 Instruction Manual BFC 6 gis 1) The current time falls within a s e t time p eriod of the week program. Figure 6.4 shows the display in this situation: - line one: the text PRO G ; - line two: the time, the day and alternately T 1 and T net . See p aragraph 2.3 ; - line three: the next scheduled switch-off time and the w[...]

  • Page 47

    Service condition Release R.1.3 UK 47 gis 6.4 Service condition Figure 6.7 shows the me ssage SERVICE R EQUIRED . Should this message appear , then the appliance is in need of a service and maintenance inspection. In that case, contact your service and maintenance engineer . n Remark The message SERVICE REQU IRED is based on the number of burning h[...]

  • Page 48

    Status of the app liance 48 Instruction Manual BFC 6 gis[...]

  • Page 49

    Introd uction Release R.1.3 UK 49 gis 7 S t arting up and shutting down 7.1 Introductio n T opics co vered in this chap ter: • S tarting up . • Shutting down . 7.2 St arting up S tart-up the appliance as follows: 1. Fil l the appliance. See chapter ’4 Filling and draining’ 2. Open th e gas valve (see ’Figure 4.1 Inst alla tion diagrams’[...]

  • Page 50

    Starting up and shutting do wn 50 Instruction Manual BFC 7 gis • Shut the appliance down for a longer period . 7.3.1 Shut the appliance down for a brie f period (“OFF mode”) T o shut the appliance down fo r a bri e f period , you must activate the frost protection. With the frost protection you can prev ent water freezing in the a ppliance. A[...]

  • Page 51

    The appliance’s heating cycle Release R.1.3 UK 51 gis 7.4 The appliance’ s heating cycle The appliance’s heating cycle is activa ted as soon as the measured water temperature (T net ) falls below the threshold value (T set ). This threshold value depends on the currently selected appli ance operating mode . For example, if the appliance is in[...]

  • Page 52

    Starting up and shutting do wn 52 Instruction Manual BFC 7 gis 5. After a numbe r of seconds pre-glow , the gas control is opened and ignition takes place. -T h e G icon is activated. - The message IGNITION ap pears. 6. After ignition , the flame is detected and the appliance will be running. This means that actual heating ha s st arted. T he rota [...]

  • Page 53

    Introd uction Release R.1.3 UK 53 gis 8 Main menu 8.1 Introductio n The MENU is reached by pressing button B of theT hermoControl. The options are: n Remark If you fail to make any selection with the main menu open , then af ter 30 seconds, the appliance will au tomatically return to the mode it was previously in. T opics co vered in this chap ter:[...]

  • Page 54

    Main menu 54 Instruction Manual BFC 8 gis This means: 1. B : Activate the main menu with B . 2. SETTINGS : Using button H and/or L go to SETTIN GS and press E . 3. LANGUAGE : Using button H and/or L go to LANGUAGE. 4. Confirm with E : After pressing E , the sub-menu LANGUAGE is activated. This notation is also used for more than 2 sub-menus. 8.3 Sw[...]

  • Page 55

    Week programme Release R.1.3 UK 55 gis 8.5 Week pro gramme 8.5.1 Intro duction Using the week program, you can set the water temperature for the days an d times you wish. If the appliance is running under a week program, then this is indicated on the display by the text PROG on the first line ( see Figure 8.5 ). The second line shows the time of da[...]

  • Page 56

    Main menu 56 Instruction Manual BFC 8 gis The display now shows the menu for the week prog ram, see Figure 8.7 . With the default setting, the pr ogram switches on and off every day at 00:00 and 23:59 hours respectively , the water temperature is 65ºc and th e pump is switched on ( P ). Example As an example, we will set the switch-o n time for Su[...]

  • Page 57

    Week programme Release R.1.3 UK 57 gis The cursor moves to the minute digits, which will blink. See Fi gure 8.12 . 7. Use H and L to select the minutes. In the example this is 45 . Confirm with E . The cursor move s to t he water temperature. See Fi gure 8.13 . Setting the water temperature 8. Use H and L to select the water temp erat ure. In the e[...]

  • Page 58

    Main menu 58 Instruction Manual BFC 8 gis The display shows the menu for the week program, see Figure 8.18 . The cursor points to the active period. 2. Scroll L to INSERT . Confirm with E . The sub-menu for adding a period will appe ar . See Figure 8 .19 . Example As an example, we will program an extra period in which the switch-on time is set to [...]

  • Page 59

    Week programme Release R.1.3 UK 59 gis 2. Scroll with L to PROGRAM OVERVIEW . Confirm with E . The display will show the week program sub-menu , see Figure 8.21 . 3. Scroll with L to DELETE . Confirm with E . 4. The displa y wi ll change as shown in Figure 8.24 . T o warn you that you are now working in the delete sub-menu, the cursor i s replaced [...]

  • Page 60

    Main menu 60 Instruction Manual BFC 8 gis 8.6 Extra period 8.6.1 Introduction Use an extra period when you either want to have the appliance switch on and off for a cert ain peri od, either without modifying the active week program, or without taking the appliance out of OFF mode (frost protection active). If the appliance is running under an ‘ex[...]

  • Page 61

    Settings Release R.1.3 UK 61 gis The cursor moves to the wa ter temperature. See Figure 8. 34 . Setting the water temperature 7. Use H and L to select the wate r temperature. In the example this is 75 . Confirm with E . The cursor moves to PUMP ON . See Figure 8.35 . Setting prog ram-controlled pump 8. If re quired, a pump can be c ontrolled during[...]

  • Page 62

    Main menu 62 Instruction Manual BFC 8 gis 3. Scroll wi th L to the desired language. Confirm with E . The language is set. 8.7.3 Setting day and time Bring up the menu for entering the day and time via: 1. B : SETTINGS . Confirm with E . The display shows the menu for settings. See F igure 8.38 . 2. Scroll wi th H and L to DAY/TIME Confirm with E .[...]

  • Page 63

    Settings Release R.1.3 UK 63 gis Ta b l e 8 . 2 shows the standard appliance specifications. Bring up the menu to display the appliance specificati ons via: 1. B : SETTINGS . Confirm with E . 2. Scroll with L to SPECIFICATIONS Confirm with E . The display shows the sub -menu for displaying appliance specificatio ns. See Figure 8.48 . 3. Scroll with[...]

  • Page 64

    Main menu 64 Instruction Manual BFC 8 gis[...]

  • Page 65

    Introd uction Release R.1.3 UK 65 is 9 Service program 9.1 Introductio n The service program is used by the installer or service and maintenance engineer for: • Setting the hysteresis ; • Displaying the error history ; • Displaying the appliance history ; • Display the selected appliance ; • Setting the pump on/off ; • Setting the servi[...]

  • Page 66

    Service program 66 Instruction Manual BFC 9 is Figure 9.3 shows an example of ‘Blocking errors’. In this case, the text HISTORIE OF ERRORS is followe d by (B) . Figure 9.4 shows an example of the ‘Lock out errors’. In this case, the text HISTORIE OF ERRORS is followe d by (L) . n Remark For an overview of all errors and the possib le causes[...]

  • Page 67

    Setting the disp lay contrast Release R.1.3 UK 67 is The service interv al is based on the num ber of burning hours. This can be set to 500, 1000 and 1500 hours. The standa rd setting for number of hours is 500. Once the preset number of hours is r eached, a message to this effect will appear . See paragraph ’6.4 Service con dition’ . Adjust th[...]

  • Page 68

    Service program 68 Instruction Manual BFC 9 is[...]

  • Page 69

    Release R.1.3 UK 69 10 T roubleshooting 10.1 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 T able 10.1 gives a trouble shooting overview for general err[...]

  • Page 70

    is Release R.1.3 UK 70 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . 10.2 T roubleshooting t able for general errors T able 10.1 General errors (Sheet 1 of 3) Symptom Cause So lutio n Remark Gas smell Gas leak Wa r n i n g Immediately close the main gas valve. Wa r n i n g Do not operate any swit[...]

  • Page 71

    is Release R.1.3 UK 71 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . Display is off Appliance is turned off. S tart-up the ap pliance. Se e ’7.2 St arting up’ No electric power present 1. Check whether the mains switch is ON. 2. Check that there is pow er to the mains switch. 3. Check whe the[...]

  • Page 72

    is Release R.1.3 UK 72 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . 10.3 T roubleshooting t able for displayed errors Explosive ig nition Inco rrect supply pressure and/or burner pressure. Set the correct supply pressure and/o r burner pressure, see ’3.1 1 Checkin g the supply pressure an d bu[...]

  • Page 73

    is Release R.1.3 UK 73 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . T able 10.2 Displayed errors (Shee t 1 of 10) Code + Descrip tion Possible c ause Solution Remark S01 (blocking error) Open circuit from temperature sensor T 2 at bottom of tank. Sensor is not (correctly) connected. Connect the [...]

  • Page 74

    is Release R.1.3 UK 74 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . S12 (blocking error) Short circuit from sensor 1 of temperature sensor T 1 at the top of the tank Short circuit in the sensor circuit Replace sensor T 1 . T o replace the necessary parts, you must contact your installer . S13 (b[...]

  • Page 75

    is Release R.1.3 UK 75 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . F01 (blocking er ror) Defect in power supply circuit. Phase and neutral swapped in error . Connect the phase and the neutral correctly . The appliance is phase-sensitive. See ’3.10 Electri cal connection’ . See appendix ’A[...]

  • Page 76

    is Release R.1.3 UK 76 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . F03 (lock out error) The pressure switch fails to work correctly . Damaged wiring / Open circ uit 1. Check the wiring between the pressure switch and the controller . 2. If necessary , rep lace the wiring. If the error cannot be[...]

  • Page 77

    is Release R.1.3 UK 77 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . F04 (lock out error) Three unsuccessful ignition attempts. No gas. 1. Open the main gas valve and/o r the gas valve before the gas control. 2. Check su pply pressure to the gas control. 3. If necessary , repair the gas supply . [...]

  • Page 78

    is Release R.1.3 UK 78 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . F05 (lock out error) T oo many flame errors have been signall ed. Incorrect roof or wall terminal. Recirculating flue gases. 1. Check that the correct roof or wall terminal has been fitted. See ’3.9 Air supply and flue g as di[...]

  • Page 79

    is Release R.1.3 UK 79 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . F09 (lock out error) W ater temperature protection. T emperature at the top of the tank exceeds 93°C. 1. Check that the circula tion pump (if present) is working. 2. Check the position of the temperature sensor T 1 . 3. Reset t[...]

  • Page 80

    is Release R.1.3 UK 80 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . F1 1 (lock ou t error) Flame detection with closed gas valve . Defective gas valves. See F07. T able 10.2 Displayed errors (Shee t 8 of 10) Code + Descrip tion Possible c ause Solution Remark[...]

  • Page 81

    is Release R.1.3 UK 81 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . C02 (lock out error ) Error message from the water heater controller . Incorrect reference voltage from the AD converter . 1. Reset the ThermoControl. 2. Check tha t the frequency of the mains power complies with table 3.8. If t[...]

  • Page 82

    is Release R.1.3 UK 82 Wa r n i n g Maintenance may only be performed by a qualifie d service and mainte nance engineer . C03 (blocking err or) Reset error . T oo many rese ts in too short a period. W ait for the error to disappear (maximum 1 hour). If the error does not disappear, the water heater controller must be replaced. T o replace the neces[...]

  • Page 83

    Introd uctio n Release R.1.3 UK 83 gs 1 1 Maintenance frequency 1 1.1 Introduction A service should be carried out 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 bu rning time per day and the set water temperature. n Remark Regular maintenan[...]

  • Page 84

    Maintenance frequency 84 Instruction Manual BFC 11 gs[...]

  • Page 85

    Introd uctio n Release R.1.3 UK 85 s 12 Maintenance 12.1 Introductio n c Note Maintenance may only by carried out by an approved service and maintenance engineer. At each service, the appliance unde rgoes mai ntenance both on the water side and on the gas side. The maintenance sho uld be carried out in the followi ng order . 1. Preparation for main[...]

  • Page 86

    Maintenance 86 Instruction Manual BFC 12 s The display will now show INTER NAL CHECK for about 10 seconds, and will then go to the main menu. 7. Activate the “ON mode” by goi ng through the following steps: - Press once on the DOWN button ( L ) to position the cursor beside ON , then press E . The display shown in Figure 12.5 appears. - Confirm[...]

  • Page 87

    Water-side mainte nance Release R.1.3 UK 87 s 12.3 W ater-side mainte- nance 12.3.1 Introd uction The following steps should be carried out on the water si de: 1. Checking the anodes . 2. Descaling and cleaning the tank . 3. Cleaning condensation water discharge . 12.3.2 Check ing the anodes T ime ly replacement of the ano des extends the service l[...]

  • Page 88

    Maintenance 88 Instruction Manual BFC 12 s 12.4.3 Cleaning the orifice 1. Detach the orifice. 2. Remove all contamination present in the orifice. 3. Fit the orifice. 12.4.4 Cl eaning heat ex change r 1. Detach the burner . 2. Clean the combustion ch amber of th e heat exchanger using a vacuum cleaner and a soft brush. 3. Detach the flue gas d ischa[...]

  • Page 89

    General warranty Release R.1.3 UK 89 gis 13 W arranty (Certificate) T o register yo ur warranty , you shou ld complete and return the enclosed warranty card after which a wa rranty ce rtificate will b e sent to you. This certificate gives the owner of a wate r heater supplied by A.O. Smith Water Products Company B.V . of V eldhov en , The Netherlan[...]

  • Page 90

    Warranty (Certificate) 90 Instruction Manual BFC 13 gis b. misuse, neglect (includ ing frost damage), modification, incorre ct and/or unauthorised use of the water heater and an y attempt to repair l eaks; c. contaminants or other substances having been allowed to enter the tank; d. the condu ctivity of the wate r being less than 12 5 µ S/cm and/o[...]

  • Page 91

    Release R.1.3 UK 91 A Appendices A.1 Introductio n This appendix contains: •T h e Electrical diagram BFC . •A Week progra m card . is[...]

  • Page 92

    Appendices 92 Instruction Manual BFC A is A.2 Electrical diagram BFC TERMINAL STRIP CONNECTIONS: A Earth N Neutral L 1 Phase inpu t of controller L 2 Phase inpu t of isolating transform er (primary side) L 3 Phase outpu t of isolating transfo rmer (secondary sid e) L 4 Phase inpu t of program-contro lled pump L 5 Phase input of continuo us pump COM[...]

  • Page 93

    Release R.1.3 UK 93 A.3 Week program card Y ou can fill-in the week program card, cut it out and keep it near the appliance. ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -[...]

  • Page 94

    Release R.1.3 UK 94[...]

  • Page 95

    Index Release R.1.3 UK 95 gis IX Index A Alarm OUT connection - - - - - - - - - - - - - 33 ambient temperature - - - - - - - - - - - - - - 18 appliance display selectio n - - - - - - - - - - - - - - 66 displaying history - - - - - - - - - - - - - - 66 displaying specifications - - - - - - - - - - 62 functional description - - - - - - - - - - - - 13[...]

  • Page 96

    Index 0306 059 IX gis Instruction Manual BFC maintenance anode - - - - - - - - - - - - - - - - - - - 87 burner - - - - - - - - - - - - - - - - - - - 87 carrying out - - - - - - - - - - - - - - - - - 85 condensation discharge - - - - - - - - - - - 87 descaling - - - - - - - - - - - - - - - - - - 87 finalising - - - - - - - - - - - - - - - - - - 88 g[...]