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Instruction manual BFM 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 © 20 07 A.O. Smith W ater Product s Comp any All rights reserv ...
4 Instruction manual BFM gis ...
Instruction manual BFM 5 T able of content s 1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.1 About the appliance - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.2 What to do if you smell gas - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.3 Regulations - - - - - - - - - - - - - - - - - - - - - - - - - - ...
Table of contents 6 Instruction manual BFM 8 Status of the appliance - - - - - - - - - - - - - - - - - - - - - 51 8.1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 51 8.2 Operating modes - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 51 8.3 Error conditions - - - - - - - - - - - - - - - - - - - - - - - - - ...
Instruction manual BFM 7 gis 1 Introduction 1.1 About the appliance This manual describes how to install, service and use the BFM appliance. The BFM appliance is a gas-fired sealed bo iler with a fan in the air supp ly . The parallel or concentric chimney connec tions are appliance-dependent. Possi ble installation types are C13 or C33. The informa ...
Introduction 8 Instruction manual BFM 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 Maintenance A service should be carri ed ou ...
Instruction manual BFM 9 gis 1.7 Overview of this document The table provides an o verview of the contents of this document. Contents of this document Chapter T arget groups Description Worki ng principle of the appliance This chapter describes how the applian ce functions. Installation This chapter describes the installation acti vity to be comple ...
Introduction 10 Instruction manual BFM 1 gis ...
Instruction manual BFM 11 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 . 2.2 General working principle of the appliance The figure shows a cut- ...
Working princi ple of the appliance 12 Instruction manual BFM 2 gis Cut-away view of the appliance Legend Only applicable numbers are mentioned. 2. hot water outlet 5. pressure switch 8. combustion chamber 9. anode 10. tank 1 1. heat exchanger 12. inspection and cleaning o pening 14. cold water inlet 15. drain valve 16. gas control 18. fan 21. flam ...
Instruction manual BFM 13 gis In this appliance, the cold water enters the bottom of the tank through the cold water inlet (14). The heat of combustion is conducted to the water by the combustion chamber (50) and heat exchanger (1 1). The heated tap water leaves the tank through the hot water outlet (2). Once the appliance is completely filled with ...
Working princi ple of the appliance 14 Instruction manual BFM 2 gis • the Water temperature protection ; • the Flame probe ; • the Pressure switch . 2.4.2 W ater temperat ure protection By means of the frost, high-limit and safety thermostat s, the burner control monitors three temperatures th at are important for safety . T he table explains ...
Instruction manual BFM 15 gis 2.5 Safety o f the instal- lation In addition to the appliance's standard built-in safety monitoring, the applianc e must also be pr otected by an expansion vessel, expa nsion valve, p ressure reducing valve, non-return valve and a T&P valve. The use of an expansion vessel, expansion valve and/or pressure redu ...
Working princi ple of the appliance 16 Instruction manual BFM 2 gis ...
Instruction manual BFM 17 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 ...
Installation 18 Instruction manual BFM 3 is 3.3.2 Maximum floor load Allow for the applian ce's weight with respect to the maximum floo r load; refer to the table. 3.3.3 W ater compositio n The appliance is inte nded for heating drinking water . The drinking water must comply with the regulations governing dr inkin g water for human consumptio ...
Instruction manual BFM 19 is Working clearance s 3.4 T echnical specifica- tions The appliance is supplied without accessories. C heck the dimensions (3.4.1 " Dimensions of the appliance") , g as data (3.4.3 "Gas data") and other specifications (3.4.2 "General an d electrical specifications") of any accessories you pla ...
Installation 20 Instruction manual BFM 3 is 3.4.1 Dimensions of the app liance Plan and elevation of the appliance Replacement of burner pressure regu lator or blank plate BFM30-50-80 -100 (2) = BFM 100, 120 IMD- 005 7 R 5 37º 10º 45º 37º 10º 45º A B N S 1 6 6 2 5 3 4 D K R M P P 6 4/6 F E G/L 6 4/6 F E G L C C Hy 12 ...
Instruction manual BFM 21 is Dimensions (all measurements in mm unless otherwise indicated) 3.4.2 Ge neral and el ectrical specif ications General and electrical specifications Dimens ion Description BFM30 BFM50 BFM80 BFM100 BFM120 A T otal height 2000 2000 2020 2020 2020 B Height of top of appliance 1800 1800 1820 1820 1820 C Position on pallet 58 ...
Installation 22 Instruction manual BFM 3 is 3.4.3 Gas dat a Gas data Description Unit BFM 30 BFM 50 BFM 80 BFM 100 BFM 120 Gas category: 30 through 100 II 2H3+ , 120: II 2H3P Natural gas G20 - 20 mbar Orifice diameter mm 2. 60 2.50 2.70 3.20 3.30 Diamete r of pilot flam e orifice mm 0.56/0.41 0.56/0.41 0.56/0.41 0.56/0.41 0.56/0.41 (1) = Blank plat ...
Instruction manual BFM 23 is 3.5 Installation dia gram 3.5.1 In st allation This figure shows the installation diagram. This diagra m is used in the sections in which the actual connection process is descri bed. Installation diagram Legend Only applicable numbers are mentioned. 1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. ...
Installation 24 Instruction manual BFM 3 is 3.6 Water connec tions, Ve n t e d Wa r ni n g The installation should be carrie d out by an authorised installation engineer , in compliance with general and loca l regulations (1.3 "Regulatio ns") . 3.6.1 Cold water side See (A) in the installation diagram (3.5 "Installation diagram" ...
Instruction manual BFM 25 is 3.6.5 Circu lation pipe See (C) in the installation diagram (3.5 "Installation diagram") . If an immediate flow of hot water is requ ired at draw-off points, a circulation pump can be installed. This improves comfort and reduces water wastage. 1. Fit a circulation pump (6) of the corre ct cap acity for the len ...
Installation 26 Instruction manual BFM 3 is 3.7.5 Circulation pipe See (C) in the installation diagram (3.5 " Installation diagram") . If an immediate flow of hot water is r equired at dr aw-of f poin t s, a circulation pump can be installed. This improv es comfort and reduces water wastage. 1. Fit a circulation pump (6) of the correct ca ...
Instruction manual BFM 27 is 3.9 Air supply and flue 3.9.1 Intro duction 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") . The BFM 30, 50 and 80 differ from the BFM 100 and 120 in how the air supply and chimney flue a re conne ...
Installation 28 Instruction manual BFM 3 is 3.9.3 Concentric wall flue terminal BF M 30-50-80 Wall flue terminal 3.9.4 C13 concent ric wall flue termina l specifications (BFM 30, 50, 80) C13 Concentric wall flue terminal speci fications . A B IMD 0060 R2 Subject Desc ription W all flue terminal set: • 1x W all flue terminal (i ncl. wall flange &a ...
Instruction manual BFM 29 is 3.9.5 Con centric roof flue te rminal BFM 30, 50, 80 Roof flue termi nal . A B C IMD- 006 1 R2 ...
Installation 30 Instruction manual BFM 3 is 3.9.6 C33 concentric roof flue terminal specifications (BFM 30, 50, 80 ) C33 concentric roof flue termin al specifications 3.9.7 Inst alling chimney flue component s for BFM 100, 120 The air supply duct (1) and chimney flue (2) for the BFM 100 and 120 emerge separately from the top box. They must be conne ...
Instruction manual BFM 31 is A.O. Smith prescribes the use of a concentric roof or wall fl ue terminal, exclusively of a type app roved for the appliance. Use of an incorre ct roof or wall flue terminal can cause the installation to malfunction. Y ou must also fulfil the following re quirements: • The maximum permis sible length of chimney pipe ( ...
Installation 32 Instruction manual BFM 3 is 3.9.9 C13 concent ric wall flue termi nal specifications (BFM 100, 120) C13 Concentric wall flue terminal speci fications Subject Desc ription W all flue terminal set: • 1x W all flue terminal (i ncl. wall flange & clamping ring) • 1x Clamping ring • 1x T ransition piece • 2x Pipe 500 mm • 2 ...
Instruction manual BFM 33 is 3.9.10 Concentric roof f lue terminal BFM 100, 120 Roof flue termi nal . IMD- 0 2 39 R1 A C B ...
Installation 34 Instruction manual BFM 3 is 3.9.1 1 C33 concentric roof f lue terminal specifications ( BFM 100, 120) C33 concentric roof flue termin al specifications 3.10 Electrical connection Wa r ni n g The installation should be carrie d out by an authorised installation engineer , in compliance with general and loca l regulations (1.3 "R ...
Instruction manual BFM 35 is In preparation you should first remove the two plastic covers and the protective cap of the electrical se ction. 1. Undo the screws of the plastic covers. 2. Carefully remove the covers from the appliance. The electrical section is now visible. 3. Loosen the 2 screws (A) of the ele ctrical section, and remove the prote ...
Installation 36 Instruction manual BFM 3 is 3.1 1 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 "Fi lling") the appliance. Caution Before starting up for th e first time or after conversion, you must always check the supply pres ...
Instruction manual BFM 37 is Gas control for BFM 120 1. Isolate the appl iance from the power supply (10.3 "Isolating the appliance from the mains") . 2. There are two test nipples on the gas cont rol. T est nipple (6) is used to check the supply pressure. The other test nipple on the gas control is not used. The manifold test nipple (8) ...
Installation 38 Instruction manual BFM 3 is 1 1. Use the pressure gauge to read the burner pressure at nipple (8). Refer to the gas data table (3.4.3 "Gas data") . Note If the burner pressure is incorrect and the appli ance is fitted with a blank plate or hi gh-low control, then you cannot ad just the pressure. In this case, consult your ...
Instruction manual BFM 39 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 ...
Conversion to a differen t gas category 40 Instruction manual BFM 4 is 4.2 Orifice re placement Gas control assembly removed 1. Remove the prot ective cover from the control c olumn: undo the 4 screws and remove the protective cover by lifting it. The electrical section will now b e exposed. 2. Remove the strain relief (1) and di sconnect the lea d ...
Instruction manual BFM 41 is 8. If the gas tabl e (3.4.3 "Gas dat a") indicates that the main burner orifices need to be replaced : a. Remove the main or ifices (5). b. Fit the main orifices from the conv ersion set. Check the required orifice diameter ag ainst the value give n in the gas table (3.4.3 "Gas data") . The orifice d ...
Conversion to a differen t gas category 42 Instruction manual BFM 4 is ...
Instruction manual BFM 43 gis 5 Filling Installation diagram Legend Only applicable numbers are mentioned. 1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. stop valve (recommended) 5. non-return valve (mandatory) 6. circulation pump (optional) 7. top to bottom ci rculatio n pump (optional) 9. drain valve 10. manual gas valve ( ...
Filling 44 Instruction manual BFM 5 gis 5.1 Filling unvented inst allations T o fill the app liance, proceed as follows: 1. Open the stop valve (1 1) in the ho t 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 h ot water draw-off point (14). 4. Open the stop valve (4) ...
Instruction manual BFM 45 gis 6 Draining Installation diagram Legend Only applicable numbers are mentioned. 1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. stop valve (recommended) 5. non-return valve (mandatory) 6. circulation pump (optional) 7. top to bottom ci rculatio n pump (optional) 9. drain valve 10. manual gas valve ...
Draining 46 Instruction manual BFM 6 gis 6.1 Draining unvented inst allations Some service activities requi re the applia nce to be drained. The procedure is as follows: 1. Shut down the appliance b y setting the ON/OFF switch on the contro l panel to position 0 . 2. Isolate the water hea ter from the po wer supply b y putting the isolator between ...
Instruction manual BFM 47 gis 6.2 Draining vented inst allations Some service activities require the appl i ance to be drained. The procedure is as follows: 1. Shut down the appliance by setti ng the ON/OFF switch on the control panel to position 0 . 2. Isolate the water heater from the power supply by putting the isolator between the appliance and ...
Draining 48 Instruction manual BFM 6 gis ...
Instruction manual BFM 49 gis 7 The control p anel 7.1 Introductio n T opics covered in this chapter: • Control panel ; • Explanation of icons ; • ON/OFF switch ; • Control thermostat ; • Burner control reset button . 7.2 Control panel The figure shows the con trol panel. The control panel The control panel comprises: • an ON/OFF switch ...
The control pane l 50 Instruction manual BFM 7 gis 7.6 Burner control reset button An error in the appliance can cause a lockout of the burner control. When this happens, the reset bu tton lamp will be lit. Once the cause of the error has been rectified, you can reset the appliance using the reset button. Note Never use the reset button until you h ...
Instruction manual BFM 51 gis 8 S t atus of the appliance 8.1 Introductio n T opics covered in this chapter: • Operating modes ; • Error conditions ; 8.2 Operating modes When running, the applianc e has three basic operating modes, na mely: • ELECTRICALL Y ISOLA TED In this mode, the appliance is off and no components are live. The isolator ( ...
Status of the app liance 52 Instruction manual BFM 8 gis ...
Instruction manual BFM 53 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 . 9.2 St arting the appliance S tart the appliance as follows: 1. Fill the appli ance (5 "Filling") . 2. Open (3.5 "Installation diagram") the ma nual gas ...
Starting and ru nning 54 Instruction manual BFM 9 gis ...
Instruction manual BFM 55 gis 10 Shutting down 10.1 Introductio n T opics covered in this chapter: • Shutting down the ap pliance for a brief period (OFF mode) ; • Isolating the applian ce from the mains ; • Shutting the a ppliance down for a long period . 10.2 Shutting down the app liance for a brief period (OFF mode) T o shut th e appliance ...
Shutting down 56 Instruction manual BFM 10 gis ...
Instruction manual BFM 57 gis 1 1 T roubleshooting 1 1.1 Introduction This chapter deals with the follo wing pro blems with the appliance: • Gas smell. • W ater leakag e. • Explosive ignition. • Poor flame profile. • No hot water . • Insufficient hot water . When the appliance is in an error cond ition , the heat demand is (temporarily) ...
is Instruction manual BFM 58 1 1.2 T roubleshooting: 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 naked flames ...
is Instruction manual BFM 59 1 1.3 T roubleshooting: insufficient hot water Wa r ni n g Maintenance may only be perfo rmed by a qualified service and maintenance engi neer . Insufficient hot water Symptom Cause Solution Remark Insufficient hot water W ater temperature setting (T set ) is too low Set the control thermo stat (7.5 "Control thermo ...
is Instruction manual BFM 60 1 1.4 T roubleshooting: No hot water No hot water Symptom Cause Solution Remark No attempt to star t heating cycle No supply voltage present 1. Check if the isolator is ON. 2. Check whether there is power to the isolator 3. Check whether there is power to the electrical connector block 4. Check whether there is power to ...
is Instruction manual BFM 61 Burner control reset button (burner control lock out error) There are three possibl e causes for this error . In order to determine the cause, you must cause the error to appear again: 1. Reset the appliance by pressing the reset button 1x 2. Cause (a) occurs between step 4 and step 5 of the heating cycle 3. Cause (b) o ...
is Instruction manual BFM 62 ...
Instruction manual BFM 63 s 12 Performing maintenance 12.1 Introductio n Cau tion 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. W ater-side mainten ...
Performing maintenance 64 Instruction manual BFM 12 s 12.3 Water-side mainte- nance 12.3.1 Introduction The following steps must be carried out on the water side: 1. Checking the anodes . 2. Descaling and cleaning the tank . 12.3.2 Checking the anodes T imely replacement of the a nodes extends the service life of the appl iance. The appliance' ...
Instruction manual BFM 65 s 1. Remove the cover plate (1) on the outer jacket (see the figure). 2. Carefully remove the insulation layer (2) and set it to one side. This will be needed again later . 3. Undo the bolts. 4. Remove the lid, the gasket and the O-ring. 5. Inspect the tank and remo ve the loose scale deposits and contamination. 6. If the ...
Performing maintenance 66 Instruction manual BFM 12 s 12.4 Gas-side mainte- nance 12.4.1 Introduction The following steps must be carried out on the gas side: 1. Clean the burner(s) . 2. Clean the orifice(s) . 3. Checking the flue ba ff les . 12.4.2 Clean the burner(s) 1. Detach the burner(s) 2. Remove all contamination present on the burner(s). 3. ...
Instruction manual BFM 67 gis 13 W arranty (certificate) T o register your wa rranty , you shou ld comple te and return the enclosed warranty card after which a wa rranty ce rtificate will be sent to you. This certificate gives the owner of a appl iance supplied by A.O. Smith Water Products Company B.V . of V eldhoven, The Netherlands (hereinafter ...
Warranty (certificate) 68 Instruction manual BFM 13 gis i. The appliance is at all time s fitted with cathodic protection. If sacrificial anodes are used for this, these must be replaced and renewed whe n, and as soon as, they are 60% or mo re consumed. When e lectric anodes are used, it is important to ensure that they continue to work properly . ...
Instruction manual BFM 69 is 14 Electrical diagram 14.1 Introductio n T his chapter shows the electrical dia gram(s) and accompanying legend. ...
Electrical diagram 70 Instruction manual BFM 14 is 14.2 BFM Electrica l Diagram. 1 = brown, 2 = blue, 3 = yellow/green, 4 = black, 5 = white, 6 = re d, 7 = white/ orange, 8 = wh ite/purple, 9 = black/green, 10 = bla ck/red, 1 1 = black/white 230VAC L N FA N PVC NO 50 Hz NL SSSS 123 4 NC PVC 11 10 9 8 7 6 2 4 1 5 3 03054 85 R2 ...
Instruction manual BFM 71 is COMPONENTS: A Mantle B Isolating transformer C DPS (Dif ferential air pressure switch) D Filter E Reset but ton F Frost thermostat G Control therm ostat H ON/OFF switch K Safety thermostat L High-limit thermostat M Burner control N T erminal bl ock P Earth strip RR e l a y OPTIONAL COMPONENTS SC l o c k T Potentiostat ...
Electrical diagram 72 Instruction manual BFM 14 is ...
Instruction manual BFM 73 Index A ambient temperature 17 B burner pressure 36 C claims 68 connect air supply 27 circulation piping 25, 26 cold water side 24, 25 electrical 34, 35 gas 26 hot water side 25 shut pipe 24, 25 connecting air supply 27 connecting circulation pipe 25, 26 connecting cold water side 24, 25 connecting flue gas discharge 27 co ...
0306 723 4.0 UK Index Instruction manual BFM ...
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