A.O. Smith Cyclone BFC - 30 Installation And Service Manual
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A.O. Smith Cyclone BFC - 30 Installation And Service Manual

A.o. smith gas water heater installation user and service manual
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Installation
Installation
Installation
User and
User and
User and
Service Manual
Service Manual
Service Manual
WATER PRODUCTS
WATER PRODUCTS
WATER PRODUCTS
COMPANY
COMPANY
COMPANY
A DIVISION OF A. O. SMITH CORPORATION
A DIVISION OF A. O. SMITH CORPORATION
A DIVISION OF A. O. SMITH CORPORATION
28
28
30
30
50
50
60
60
XTRA HIGH EFFICIENCY
XTRA HIGH EFFICIENCY

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  • Page 1 Installation Installation Installation User and User and User and Service Manual Service Manual Service Manual WATER PRODUCTS WATER PRODUCTS WATER PRODUCTS COMPANY COMPANY COMPANY A DIVISION OF A. O. SMITH CORPORATION A DIVISION OF A. O. SMITH CORPORATION A DIVISION OF A. O. SMITH CORPORATION XTRA HIGH EFFICIENCY XTRA HIGH EFFICIENCY...
  • Page 2 www.aosmithinternational.com your installer...
  • Page 3 Any brand names mentioned in this manual are registered trademarks of their respective owners. Liability A.O. Smith water Products Company accepts no liability for claims from third parties arising from improper use other than that stated in this manual and in accordance with the General Conditions registered at the Eindhoven Chamber of Commerce.
  • Page 4 Instruction manual BFC...

  • Page 5: Table Of Contents

    Table of contents Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 About the appliance - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 What to do if you smell gas- - - - - - - - - - - - - - - - - - - - - - - - - 9 Regulations - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 Target groups - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10...
  • Page 6 Table of contents Starting and running - - - - - - - - - - - - - - - - - - - - - - 55 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 55 Starting and running- - - - - - - - - - - - - - - - - - - - - - - - - - - - 55 The appliance's heating cycle - - - - - - - - - - - - - - - - - - - - - - - 55 Shutting down - - - - - - - - - - - - - - - - - - - - - - - - - 57...
  • Page 7 16.7 Obligations of A.O. Smith - - - - - - - - - - - - - - - - - - - - - - - - 90 Appendices- - - - - - - - - - - - - - - - - - - - - - - - - - - 91 17.1...
  • Page 8 Table of contents Instruction manual BFC...

  • Page 9: Introduction

    Introduction About the appliance This manual describes how to install, service and use the BFC appliance. The BFC appliance is a condensing water heater with a fan in the air intake. The BFC can be installed as either an open or room-sealed appliance. A concentric chimney connector is fitted standard to the appliance.

  • Page 10: Target Groups

    Introduction • Furthermore, the installation must comply with the manufacturer's instructions. guidelines published on or prior to the moment of installing, will apply to the installation. Target groups The three target groups for this manual are: • • • Symbols on each page indicate the target groups for whom the information is intended.

  • Page 11: Forms Of Notation

    Forms of notation The following notation is used in this manual: serious damage to the appliance. Instruction manual BFC Note Important information. Attention Ignoring this information can lead to the appliance being damaged. Warning Failure to carefully read this information may lead to personal injury and...

  • Page 12: Overview Of This Document

    Introduction Overview of this The table provides an overview of the contents of this document. document Contents of this document Chapter Target groups Working principle of the appliance Installation Filling Draining The control panel Status of the appliance Starting and running Shutting down Main menu Service program...

  • Page 13: Working Principle Of The Appliance

    Working principle of the appliance Introduction Topics covered in this chapter: • • • • General working The figure shows a cut-away view of the appliance. principle of the Cut-away view of the appliance appliance Legend Only applicable numbers are mentioned.

  • Page 14: The Appliance's Heating Cycle

    Working principle of the appliance In this appliance the cold water enters the bottom of the tank via the cold water inlet (14). Once heated by the combustion chamber (8) and heat exchanger (11), the hot tapwater leaves the tank through the hot water outlet (2). Once the appliance is completely filled with water, it remains constantly under water supply pressure.

  • Page 15: Water Temperature Protection

    2.4.2 Water temperature protection The electronic controller uses temperatures sensors T1 (7) and T2 (13) to monitor three temperatures that are important for safety. The table explains the functioning of the temperature sensors. Temperature protection Protection Description Against frost The frost protection cuts in. The water is heated to 20°C. (T1 <...

  • Page 16: Safety Of The Installation

    2.5.3 T&P valve A T&P valve is only mandatory in an unvented installation. However, A.O. Smith also recommends the use of a T&P valve in vented installations. A T&P (Temperature and Pressure Relief) valve monitors the pressure in the tank and the water temperature at the top of the tank.

  • Page 17: Installation

    Installation in compliance with the general and local regulations imposed by the gas, water and power supply companies and the fire service. The appliance may only be installed in a room that complies with the requirements stated in national and local ventilation regulations Introduction This chapter describes the installation activities to be carried out before you...

  • Page 18: Water Composition

    Installation 3.3.1 Air humidity and ambient temperature The boiler room must be frost-free, or be protected against frost. The table shows the environmental conditions that must be adhered to for correct functioning of the electronics present in the appliance to be guaranteed. Air humidity and ambient temperature specifications Air humidity and ambient temperature Air humidity...
  • Page 19 and/or connections can cause damage to the immediate environment or floors below the level of the boiler room. If this is the case, the appliance should be installed above a wastewater drain or in a suitable metal leak tray. The leak tray must have an appropriate wastewater drain and must be at least 5cm deep with a length and width at least 5cm greater than the diameter of the appliance.

  • Page 20: Technical Specifications

    Installation Technical specifica- The appliance is supplied without accessories. Check the dimensions tions and other specifications accessories you plan to use. 3.4.1 Dimensions of the appliance Plan and elevation of the appliance Legend See the table. (3.4.1 "Dimensions of the appliance"), gas data (3.4.2 "General and electrical specifications") 30º...
  • Page 21 Dimensions (all sizes in mm, unless otherwise stated) Dimen Description sion Total height Diameter of the appliance Flue gas outlet diameter Height of flue/air supply x position of flue y-position of flue Height of gas connection Height of cold water supply Height of hot water outlet y-position of hot water outlet Height of cleaning opening...
  • Page 22 Installation 3.4.3 Gas data Gas data Description II 2H3+ Gas category 2H: G20 - 20 mbar Injector orifice diameter (1) = Blank plate (2) = Burner pressure regulator Nominal load (gross calorific value) Nominal output Supply pressure Burner pressure Gas consumption General 3+ Injector orifice diameter (1) = Blank plate...

  • Page 23: Installation Diagram

    Installation diagram Installation diagram Legend UNVENTED Only applicable numbers are mentioned. 1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. stop valve (recommended in pipe C and mandatory in pipe A) 5. non-return valve (mandatory) 6. circulation pump (optional) 9.

  • Page 24: Water Connections, Unvented

    Installation Water connections, Unvented in compliance with general and local regulations 3.6.1 Cold water side See (A) in the installation diagram 1. Fit an approved stop valve (4) on the cold water side as required by 2. The maximum working pressure of the appliance is 8 bar. Because the 3.

  • Page 25: Water Connections, Vented

    Water connections, Vented in compliance with general and local regulations 3.7.1 Cold water side See (A) in the installation diagram 1. Fit an approved stop valve (4) on the cold water side between the cold water 3.7.2 Hot water side See (B) in the installation diagram 1.

  • Page 26: Gas Connection

    Installation Gas connection in compliance with general and local regulations enough to supply sufficient capacity to the appliance. See (D) in the installation diagram 1. Fit a manual gas valve (10) in the gas supply pipe. 2. Blow the gas pipe clean before use. 3.
  • Page 27 Types of appliances IMD-0468 R0 Instruction manual BFC...
  • Page 28 Installation Explanation of type of appliance Type of appliance Description Air for combustion is drawn from the boiler room. Concentric and / or parallel wall flue terminal Concentric and / or parallel roof flue terminal Appliances on common air supply and flue gas discharge (concentric and / or parallel) in multi-storey building.

  • Page 29: Specifications

    Use of an incorrect roof or wall-mounted flue terminal can cause the installation to malfunction. Instruction manual BFC Attention For type C13 and C33 installations,A.O. Smith prescribes the use of a roof IMD-0284 R1...

  • Page 30: Specification

    Installation Concentric wall flue terminal specifications C13 Specification Wall flue terminal set: • 1X Wall flue terminal (incl. wall flange & clamping ring) • 1X Pipe 500mm • 1X Bend 90° Pipe material Pipe diameters (1) No other wall flue terminal is permitted. Use this item number to order the wall conduit set from supplier, manufacturer or wholesaler.

  • Page 31: Parallel Connections

    3.9.4 Parallel connections The table states the maximum pipe lengths for parallel systems. The maximum pipe length depends on the chosen diameter. Flue gas outlet requirements for parallel systems Appliance BFC 28 BFC 30 BFC 50 BFC 60 BFC 28 BFC 30 BFC 50 BFC 60...

  • Page 32: Electrical Connection

    Installation Appliance with parallel flue gas discharge material The longest pipe must be used to check the maximum length. In this case, the chimney pipe is the longest. This is 25 metres. This 25 metres is the sum of pipe sections 1, 2, 3, 4 and 5.
  • Page 33 Optionally, it is possible to connect an isolating transformer, a continuous pump, a program-controlled pump, an extra ON mode switch and an extra alarm signal to the appliance. For these options, see: • • • • consumption stated in the table 3.10.2 Preparation mains phase (L) to the phase of the appliance, and the mains neutral (N) to the...

  • Page 34: Connecting The Mains Voltage

    Installation In preparation, you must first remove the two plastic covers and the protective cap of the electrical section. 1. Undo the screws of the plastic covers. 2. Carefully remove the covers from the appliance. 3. Loosen the 2 screws (A) of the electrical section, and remove the protective the electrical component connections.
  • Page 35 4. If you have no more connections to make: 5. Connect the power cable to the isolator. 3.10.5 Connecting continuous pump 1. Connect phase (L), neutral (N) and earth ( ) to terminals 7, 8 and 9 as 2. Fit the cable in the strain relief. 3.

  • Page 36: Checking The Supply Pressure And Burner Pressure

    Installation 3.11 Checking the supply pressure and burner burner pressure, you must fill pressure check the supply pressure and burner pressure. gauges. This procedure assumes that these two gauges are available. Gas control Legend Only applicable numbers are mentioned. 1. supply pressure test nipple 2.
  • Page 37 3.11.2 Procedure to check pressures 1. There are two test nipples on the gas control: 2. Connect a pressure gauge to the burner pressure nipple (2). 3. Open the gas supply and vent the gas supply line with the supply pressure 4.

  • Page 38: Adjusting The Pressure

    Installation 9. Use the pressure gauge to read the supply pressure at 1nipple 10. Use the pressure gauge to read the burner pressure at nipple If the burner pressure is not correct and the appliance is fitted with a blank plate, you will not be able to adjust the pressure.

  • Page 39: Conversion To A Different Gas Category

    Conversion to a different gas category engineer. If the appliance must operate on a family of gases (LP gas or natural gas) or other gas category than that for which the appliance has been set at the factory, the appliance will have be adapted using a special conversion kit. conversion is complete.
  • Page 40 Conversion to a different gas category 1. Isolate the water heater from the power supply 2. Shut off the gas supply. 3. Undo the screws of the plastic covers. 4. Carefully remove the covers from the top of the appliance. 5.
  • Page 41 10. Check whether there is a burner pressure regulator (7) attached to the top burner pressure blanking plate with a cork gasket. A burner pressure that deviates with respect to the supply pressure requires a burner pressure regulator with rubber gasket to be used.
  • Page 42 Conversion to a different gas category Instruction manual BFC...

  • Page 43: Filling

    Filling Installation diagram Legend UNVENTED Only applicable numbers are mentioned. 1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. stop valve (recommended in pipe C and mandatory in pipe A) 5. non-return valve (mandatory) 6. circulation pump (optional) 9. drain valve 10.

  • Page 44: Filling The Appliance

    Filling Filling the appliance 5.1.1 Filling unvented installations To fill the appliance, proceed as follows: 1. Open the stop valve (11) in the hot water pipe and, if present, the stop valves 2. Close the drain valve (9). 3. Open the nearest hot water draw-off point (14). 4.

  • Page 45: Draining

    Draining Installation diagram Legend UNVENTED Only applicable numbers are mentioned. 1. pressure reducing valve (mandatory) 3. T&P valve (mandatory) 4. stop valve (recommended in pipe C and mandatory in pipe A) 5. non-return valve (mandatory) 6. circulation pump (optional) 9. drain valve 10.

  • Page 46: Draining Unvented Installations

    Draining Draining unvented installations 1. Activate the MENU with MENU ^ ON È WEEK PROGRAM 2. Position the cursor in front of OFF. 3. Confirm OFF with 4. Wait until the fan has stopped. The symbol appliance. 5. Switch the appliance OFF (position 0) using the ON/OFF switch on the 6.
  • Page 47 6. Isolate the water heater from the power supply by putting the isolator 7. Shut off the gas supply (10). 8. Close the stop valve (11) in the hot water pipe. 9. Close the stop valve (4) between the water tank and the cold water inlet (A). 10.
  • Page 48 Draining Instruction manual BFC...

  • Page 49: The Control Panel

    The control panel Introduction Topics covered in this chapter: • Controls; • Meaning of icons; • Electronic controller ON/OFF switch; • Navigation buttons; • connection. Controls The figure shows the electronic controller. 0063 IMD-0423 R0 The control panel is completely menu-driven, and comprises: •...

  • Page 50: Pc Connection

    PC connection The PC connection is solely intended to enable technicians from A.O. Smith to display the status and history of the appliance. These details can be important for troubleshooting and/or responding to complaints.

  • Page 51: Status Of The Appliance

    Status of the appliance Introduction Topics covered in this chapter: • Operating modes; • Error conditions; • Service condition. Operating modes When running, the appliance has four basic operating modes, namely: • • • EXTRA • PROG 8.2.1 In this mode, the frost protection is activated. The figure shows the display with the following information: •...

  • Page 52: Error Conditions

    Status of the appliance 8.2.4 PROG In this mode a preset week program is active, and the appliance responds continually to demand within the time periods set in the week program. There are two distinct situations possible in this mode: PROG 10:00 Monday 76ÉC...

  • Page 53: Service Condition

    Service condition The figure shows the message WARNING MAX. BURNING HOURS: SERVICE REQUIRED SERVICE REQUIRED.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. Note The message SERVICE REQUIREDis based on the number of expired burning hours and the preset service interval.
  • Page 54 Status of the appliance Instruction manual BFC...

  • Page 55: Starting And Running

    Starting and running Introduction Topics covered in this chapter, in sequence: • Starting and running. • The appliance's heating cycle. Starting and running Start the appliance as follows: 1. Fill the appliance "Filling"). 2. Open (3.5 "Installation diagram") the manual gas valve.
  • Page 56 Starting and running Once the appliance starts, it will run through the following steps: 1. The water temperature drops below the set temperature of (for example) 65°C. The electronic controller detects a demand and starts the heating cycle. The icon is activated.

  • Page 57: Shutting Down

    Shutting down 10.1 Introduction This chapter describes: • Shut the appliance down for a brief period ("OFF mode"); • Electrically isolating the appliance; • Shutting the appliance down for a long 10.2 Shut the appliance down for a brief period ("OFF mode") To shut the appliance down for a brief period, you must activate the frost protection.
  • Page 58 Shutting down Instruction manual BFC...

  • Page 59: Main Menu

    Main menu 11.1 Introduction The MENU is reached by pressing the electronic controller. MENU »OFF ^ ON È WEEK PROGRAM EXTRA PERIOD SETTINGS The main menu comprises: • Select this option if you wish to turn (10 "Shutting down") the appliance for a brief period, but do not wish to drain it.

  • Page 60: Week Program

    Main menu • Confirm with .After confirming, the appliance enters "ONmode". SETPOINT » 65ÉC Note If the preset temperature is higher than the current water temperature, then the appliance might not immediately start the heating cycle. To prevent excessively frequent switching on and off, there is a heating margin.
  • Page 61 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). DAY TIME Tset ON »SU...

  • Page 62: Adding Times To A Week Program

    Main menu 11.7.4 Week program: setting the program- controlled pump 1. If required, a pump can be controlled during the period. Use to set PUMP ON . The pump ensures a regular circulation of hot water in the hot water pipes. You can skip this step if you there is no pump in your hot water circuit.

  • Page 63: Extra Period

    11.9 Deleting times from a week program All switch-on/off times are shown sequentially in the display. Assume that the switch-on/off times for the appliance are programmed as in the figure. DAY TIME Tset ON »SU 08:15 75ÉC P OFF SU 12:45 18:00 75ÉC P OFF SU...

  • Page 64: Programming An Extra Period

    Main menu If the water temperature becomes too low during the extra period (11.11 "Programming an extra the appliance will run through the heating cycle (9.3 "The appliance's heating cycle") back into the extra period. The same settings can be made for an extra period as for a week program (11.7 "Changing the appliance's standard week program")

  • Page 65: Settings

    11.12 Settings Using the SETTINGS option, you can adjust certain settings and read certain appliance data: • Adjustable settings Language of the menu. Current day of week and time. • Displayable appliance specifications, this category is only relevant to the installation engineer and/or service and maintenance engineer Control range (water temperature).
  • Page 66 Main menu Confirm the minute setting with TIME 15»45 The time has been set. Note The appliance takes no account of daylight saving. 11.12.3 Displaying appliance specifications Note This category is solely intended for the installation engineer and/or service and maintenance engineer. The table shows the correct settings.

  • Page 67: Service Program

    Service program 12.1 Introduction The service program is used by the installation engineer or service and maintenance engineer for: • Setting the hysteresis; • Displaying the error history; • Displaying the appliance history; • Display the selected appliance; • Switching the pump on or off;...

  • Page 68: Displaying The Appliance History

    Service program 12.4 Displaying the appliance history The appliance history submenu is used to display the burning hours, the number of ignitions, the number of flame errors and the number of ignition errors. Call up the menu for displaying the appliance history as follows: •...

  • Page 69: Troubleshooting

    Troubleshooting 13.1 Introduction A distinction is made between: • • S02: SENSOR ERROR S02: SENSOR ERROR Instruction manual BFC General errors General errors are not reported on the display. General errors are: Gas smell Display does not light up Insufficient or no hot water. Water leakage Explosive ignition.

  • Page 70: Troubleshooting Table For General Errors

    13.2 Troubleshooting table for general errors Warning Maintenance may only be performed by a qualified service and maintenance engineer. General errors Symptom Cause Solution Gas smell Gas leak Display is off Appliance is turned off Start the appliance up No supply voltage 1.
  • Page 71 Symptom Cause Solution Water leakage Leakage from a water Tighten the threaded connection connection (threaded) Condensate leakage Check that the condensation water discharge is working properly. Rectify if necessary Leakage from another Trace the leak nearby water appliance or pipe segment Leakage from the Consult the supplier and/or manufacturer appliance's tank...

  • Page 72: Troubleshooting Table For Displayed Errors

    13.3 Troubleshooting table for displayed errors Displayed errors Code + Description Cause Solution S01 (blocking error) Sensor is not (correctly) Connect the sensor lead to JP3 connected Open circuit from Damaged cable or Replace the sensor temperature sensor T2 defective sensor at bottom of the tank S02 (blocking error) Sensor is not (correctly)
  • Page 73 Code + Description Cause Solution S12 (blocking error) Short circuit in sensor Replace sensor T circuit Short circuit in sensor 1 of temperature sensor at the top of the tank S13 (blocking error) Short circuit in sensor Replace sensor T circuit Short circuit in sensor 2 of temperature sensor...
  • Page 74 Code + Description Cause Solution F02 (lock out error) Defective motor and/or 1. Check the motor and rotor rotor. 2. Replace the fan if the motor or rotor is defective. Fan fails to run at 3. Reset appliance controller correct speed. Damaged wiring 1.
  • Page 75 Code + Description Cause Solution Air pressure switch fails Air pressure switch 1. Check the wiring between the air pressure switch and the to close during pre- leads purge. 2. Reset appliance controller Loose air pressure 1. Check hoses between air pressure switch and burner/fan. switch hoses 2.
  • Page 76 Code + Description Cause Solution F03 (lock out error) Damaged wiring/Open 1. Check the wiring between the pressure switch and the circuit The pressure switch 2. If necessary, replace the wiring fails to work correctly Pressure switch not 1. Check the running speed of the fan closing 2.
  • Page 77 Code + Description Cause Solution F04 (lock out error) No gas 1. Open the main gas valve and/or the manual gas valve supplying Three unsuccessful 2. Check the supply pressure to the gas control ignition attempts. 3. If necessary, repair the gas supply Air in the gas pipes Bleed the air out of the gas pipe No burner pressure...
  • Page 78 Code + Description Cause Solution F06 (lock out error) Damaged cable in Check the wiring of the flame probe. If necessary, replace the contact with metal wiring. surface. Short circuit between flame probe and earth Ceramic part of the 1. Check that the ceramic part of the flame probe is still intact in flame probe is broken/cracked.
  • Page 79 Code + Description Cause Solution F10 (lock out error) Pressure switch not 1. Check the running speed of the fan closing Restriction on the 2. Check that the hoses on the pressure switch and the air supply number of ignition attempts based on pressure switch state changes.
  • Page 80 Code + Description Cause Solution C02 (lock out error) Incorrect reference 1. Reset electronic controller. voltage from the AD 2. Check that the frequency of the power supply is converter. Error message from the appliance controller. 3. If the frequency is correct but the error persists, replace the Internal error message •...
  • Page 81 Code + Description Cause Solution E01 (blocking error) The temperature of the None. This is a temporary message that may appear from time to water at the top of the time, but will disappear automatically. tank is > 85 The temperature protection at the top of the tank has been activated.
  • Page 82 Instruction manual BFC...

  • Page 83: Maintenance Frequency

    Maintenance frequency 14.1 Introduction A service should be carried out at least once a year, both on the water side and on the gas side. Maintenance frequency depends, among other things, on the water quality, the average burning time per day and the set water temperature. To determine the correct maintenance frequency, it is recommended to arrange for the service and maintenance engineer to check the appliance on both the water and gas side, three months after installation.
  • Page 84 Maintenance frequency Instruction manual BFC...

  • Page 85: Performing Maintenance

    Performing maintenance 15.1 Introduction maintenance engineer. At each service, the appliance undergoes maintenance on both the water side and the gas side. The maintenance must be carried out in the following order. model, and the full serial number of the appliance. These details can be found on the rating plate.
  • Page 86 Performing maintenance 6. Switch the electronic controller ON by setting the ON/OFF switch to MENU ^ ON È WEEK PROGRAM 7. Activate "ON mode" by going through the following steps: 8. If there is no heat demand, increase Tset 9. Check whether the heating cycle runs correctly 10.

  • Page 87: Water-Side Maintenance

    15. Test the operation of the overflow valve of the protected cold supply setup. 16. Test the overflow operation of the T&P valve. The water should spurt out. 17. Check the drain pipes from the discharge points of all valves and remove 18.

  • Page 88: Gas-Side Maintenance

    Performing maintenance 4. Inspect the tank and remove the loose scale deposits and contamination. 5. If the scale cannot be removed by hand, then the appliance will need to be 6. Close the cleaning opening. To avoid damage to the tank, tighten the bolts 15.3.4 Cleaning condensation water discharge Regular cleaning of the condensation drain and siphon is essential for...

  • Page 89: Warranty (Certificate)

    A.O. Smith water Products Company B.V. of Veldhoven, The Netherlands (hereinafter "A.O. Smith") the right to the warranty set out below, defining the commitments of A.O. Smith to the owner. 16.1 General warranty If within one year of the original installation date of a water heater supplied by A.O.

  • Page 90: Exclusions

    Smith warranty expressly set out in this Certificate. Under the terms of the supplied warranty, A.O. Smith is not liable for damage to persons or property caused by (sections or parts, or the glass-lined steel tank of) a (replacement) water heater that it has supplied.

  • Page 91: Appendices

    Appendices 17.1 Introduction This appendix contains: • • Instruction manual BFC Electrical diagram Week program card...

  • Page 92: Electrical Diagram

    Appendices 17.2 Electrical diagram Electrical diagram 0307 579 R1 1 = brown, 2 = blue, 3 = green, 4 = black, 5 = white, 6 = grey / beige Instruction manual BFC...
  • Page 93 TERMINAL BLOCK CONNECTIONS: COMPONENTS: CONTROLLER CONNECTIONS: Instruction manual BFC Earth Neutral Phase input of controller Phase input of isolating transformer (primary side) Phase output of isolating transformer (secondary side) Phase input of program-controlled pump Phase input of continuous pump Controller Flame probe Hot surface igniter Gas control...
  • Page 94 Appendices Instruction manual BFC...

  • Page 95: Week Program Card

    17.3 Week program card You can cut the week program card out and keep it near the appliance. Period TIME Example Period TIME 14:30 16:15 Instruction manual BFC Tset Pump Period ...°C ON / OFF ...°C ON / OFF ...°C ON / OFF ...°C ON / OFF...
  • Page 96 Instruction manual BFC...
  • Page 97 Index ambient temperature 18 appliance displaying history 68 displaying selection 68 displaying specifications 66 general working principle 13 heating cycle 14 protection 14 types 9, 17 burner pressure 36 claims 90 connect 24, 25 air supply 26 Alarm OUT 35 circulation piping 24, 25 cold water side 24, 25 condensation drainage 24, 25...
  • Page 98 Index mode ERROR 52 EXTRA 51 HEAT DEMAND 55 IGNITION 55 OFF 51 ON 51 POST-PURGE 55 PRE-GLOW 55 PRE-PURGE 55 PRESSURE SWITCH 55 PROG 52 RUNNING 55 SERVICE REQUIRED 53 navigation buttons 49 off 51 on 51 ON mode 59 on/off switch 49 operating modes EXTRA 51...

This manual is also suitable for:

Cyclone bfc-60Cyclone bfc-28Cyclone bfc-50

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