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- A.O. Smith
- Water Heater
- 120 through 250 Series
- Installation, user and service manual
A.O. Smith 120 through 250 Series Installation, user and service manual
Summary of 120 through 250 Series
Page 1
0310 878 innovation has a name. Installation, user and service manual high efficient condensing water heater bfc - 28/30/50/60/80/100/120 bfc.
Page 2: Your Installer
A.O. Smith uk, unit b8 amstrong mall, southwood business park, farnborough, hampshire gu14 0nr www.Aosmith.Co.Uk “a.O. Smith water heaters” is a trading name of advance services (sales) ltd. Reg. Your installer.
Page 3: Errata
E1 errata the amendments below apply to finishing of maintenance (15.5 "finalizing maintenance").These instructions supersede the previous instructions of the solar heating control. 15.5 finalizing maintenance to finalize the maintenance, carry out the following steps: 1. Fill the water heater (5 "f...
Page 4
E2.
Page 5
Instruction manual bfc 3 gis read this manual carefully warning read this manual carefully before starting the water heater. Failure to read the manual and to follow the printed instructions may lead to personal injury and damage to the water heater. Copyright © 2013 a.O.Smith water products company...
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4 instruction manual bfc gis.
Page 7: Contents
Instruction manual bfc 5 contents 1 introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.1 about the water heater - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.2 what to do if you smell gas- - - - - - - - - - - - - - - - - - - - - - - - - 9 1.3 regulations - - - - - - -...
Page 8
Contents 6 instruction manual bfc 8 status of the water heater - - - - - - - - - - - - - - - - - - - 53 8.1 introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 53 8.2 operating modes - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 53 8.3 error conditions - - - - - ...
Page 9
Instruction manual bfc 7 15 performing maintenance - - - - - - - - - - - - - - - - - - - - 87 15.1 introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 87 15.2 preparation for maintenance - - - - - - - - - - - - - - - - - - - - - - - 87 15.3 water-side maintenance - - - - - - -...
Page 10
Contents 8 instruction manual bfc.
Page 11: Introduction
Instruction manual bfc 9 gis 1 introduction 1.1 about the water heater this manual describes how to install, service and use the bfc water heater. The bfc water heater is a condensing water heater with a fan in the air intake. The bfc can be installed as either an open or room-sealed water heater. A...
Page 12
Introduction 10 instruction manual bfc 1 gis british and european standards • bs 6891: installation of low pressure gas pipework of up to 35 mm (r1¼) in domestic premises (2nd family gas) - specification. Note: for lager installations see ige/up/2 below. • bs 6798: specification for installation and...
Page 13
Instruction manual bfc 11 gis target group symbols caution this water heater is not intended for use by persons with reduced physical, sensory or mental capacities, or who lack the necessary experience or knowledge, unless the person responsible for their safety is supervising them or has explained ...
Page 14
Introduction 12 instruction manual bfc 1 gis 1.7 overview of this document the table provides an overview of the contents of this document. Contents of this document chapter target groups description working principle of the water heater this chapter describes the working principle of the appliance....
Page 15: Working Principle of
Instruction manual bfc 13 gis 2 working principle of the water heater 2.1 introduction this chapter covers the following topics: • general working principle of the water heater; • water heater operating cycle; • protection for the water heater; • safety of the installation. 2.2 general working princ...
Page 16
14 instruction m anu al bfc cut-away view of the water heater legend bfc 28, 30, 50, 60 bfc 80, 100, 120 unused numbers are not applicable 1. Cover 2. Hot water outlet 3. Electrical connector block 4. Controller 5. Pressure switch 6. Control panel 7. Temperature sensor t 1 8. Combustion chamber 9. A...
Page 17
Instruction manual bfc 15 gis 2.3 water heater operating cycle the temperature sensor t 1 (7) measures the water temperature at the top of the water heater t top ). This temperature is sent to the controller. As soon as t 1 is lower than the set water temperature (t set ), the controller registers a...
Page 18
Working principle of the water heater 16 instruction manual bfc 2 gis 2.4.5 pressure switch the pressure switch only guarantees the supply of air during pre-purging of the water heater. If the pressure difference during pre-purging is sufficient, the pressure switch closes. The table (3.4.2 "general...
Page 19: Installation
Instruction manual bfc 17 is 3 installation warning the installation must be carried out by an approved installation engineer in compliance with the general and local regulations imposed by the gas, water and power supply companies and the fire brigade. The appliance may only be installed in a room ...
Page 20
Installation 18 instruction manual bfc 3 is 3.3.1 air humidity and ambient temperature the boiler room must be frost-free, or be protected against frost. The table shows the ambient conditions that must be adhered to for correct functioning of the electronics present in the appliance to be guarantee...
Page 21
Instruction manual bfc 19 is working clearances note when installing the water heater, be aware that any leakage from the tank 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 water heater should be installed abov...
Page 22
20 instruction m anu al bfc 3.4.1 dimensions of the water heater top and front view of the appliance legend see the table. Bfc 28, 30, 50, 60 bfc 80, 100, 120
Page 23
Inst ruction manual bfc 21 dimensions (all dimensions in mm, unless otherwise stated) size description unit bfc 28 bfc 30 bfc 50 bfc 60 bfc 80 bfc 100 bfc 120 a overall height mm 1390 1910 1910 1910 2060 2060 2060 c position on pallet mm - - - - 530 530 530 d appliance diameter mm 705 705 705 705 85...
Page 24
22 instruction m anu al bfc 3.4.2 general and electrical specifications description unit bfc 28 bfc 30 bfc 50 bfc 60 bfc 80 bfc 100 bfc 120 contents litres 217 368 368 368 480 480 480 empty weight kg 177 214 214 214 480 480 480 maximum floor load kg 394 582 582 582 960 960 960 maximum operating pres...
Page 25
Inst ruction manual bfc 23 description unit value maximum mains pressure of cold water supply (vented) kpa (bar) 800 (8) maximum mains pressure of cold water supply (unvented) kpa (bar) 550 (5,5) maximum mains pressure of the protected cold supply setup kpa (bar) 500 (5) t&p overflow pressure kpa (b...
Page 26
24 instruction m anu al bfc 3.4.3 gas data ii 2h3p description unit bfc 28 bfc 30 bfc 50 bfc 60 bfc 80 bfc 100 bfc 120 gas category 2h: g20 - 20 mbar diameter of the venturi restrictor mm - - - - 8,60 8,60 8,60 nominal load ( gross) kw 32,2 33,3 52,2 63,3 86,6 105,5 128,8 nominal output kw 31,0 32,7...
Page 27
Instruction manual bfc 25 is 3.5 installation diagram the figure shows the installation diagram. This diagram is referred to in the sections describing the actual connection procedure. Installation diagram legend vented and unvented unused numbers are not applicable 1. Pressure relief valve (mandato...
Page 28
Installation 26 instruction manual bfc 3 is 3.6 unvented water connections warning the installation should be carried out by a competent person, in compliance with general and locally applicable regulations (1.3 "regulations"). 3.6.1 cold water side see (a) in the installation diagram (3.5 "installa...
Page 29
Instruction manual bfc 27 is 3.7 vented water connections warning the installation should be carried out by a competent person, in compliance with general and locally applicable regulations (1.3 "regulations"). 3.7.1 cold water side see (a) in the installation diagram (3.5 "installation diagram"). 1...
Page 30
Installation 28 instruction manual bfc 3 is see (d) in the installation diagram (3.5 "installation diagram"). 1. Fit a manual gas valve (10) in the gas supply pipe. 2. Blow the gas pipe clean before use. 3. Close the manual gas valve. 4. Fit the gas supply pipe to the gas control valve. Warning afte...
Page 31
Instruction manual bfc 29 is installation types imd-0789 r0 c43 c13 c53 b23 c33.
Page 32
Installation 30 instruction manual bfc 3 is explanation of types of installation note make sure that the chimney flue discharges into an area approved for this type of installation. 3.9.3 concentric connections the table shows the requirements for concentric systems. Warning install flue gas dischar...
Page 33
Instruction manual bfc 31 is water heater with concentric flue gas discharge material according to the table, the maximum length allowed is 40 metres, and there may be up to seven 90 degree bends. Both requirements are fulfilled. Specifications caution for type c13 and c33 installations,a.O.Smith pr...
Page 34
Installation 32 instruction manual bfc 3 is concentric roof flue terminal specifications c33 3.9.4 parallel connections the table states the maximum pipe lengths for parallel systems. The maximum pipe length depends on the chosen diameter. Warning install flue gas discharge pipe runs with a run-off ...
Page 35
Instruction manual bfc 33 is practical example of parallel flue gas discharge example the figure shows a bfc 30 installation. This has to be fitted with a 10 m parallel pipe of 100 mm diameter, and eight 90 degree bends. The configuration must be checked for compliance with the requirements stated i...
Page 36
Installation 34 instruction manual bfc 3 is 3.10.2 preparation caution the water heater is phase-sensitive. It is absolutely essential to connect the mains live (l) to the live of the water heater, and the mains neutral (n) to the neutral of the water heater. Caution there must be no potential diffe...
Page 37
Instruction manual bfc 35 is terminal block 3.10.3 connecting the mains power the water heater is supplied without a power cable and isolator. Note in order to receive electrical power, the water heater has to be connected to the mains power by means of a permanent electrical connection. A double-po...
Page 38
Installation 36 instruction manual bfc 3 is 3.10.5 connecting a program-controlled pump note the maximum power capacity for a pump regulated by the controller is 100w. 1. Connect neutral (n), live (l) and earth ( ) to terminals 13, 14 and 15 as indicated in the table (3.10.2 "preparation"). 2. Fit t...
Page 39
Instruction manual bfc 37 is 3.11.1 procedure for checking the supply pressure to check the supply pressure, proceed as follows: 1. Isolate (10.3 "isolating the water heater from the mains") the appliance from the power supply. 2. Carefully remove the covers from the appliance. 3. The electrical sec...
Page 40
Installation 38 instruction manual bfc 3 is 7. Connect a pressure gauge to the test nipple as soon as gas starts to flow from it. 8. Switch on the power to the appliance using the isolator on the appliance. 9. Switch the controller on by setting the 0/i switch to position i. The display will now sho...
Page 41
Instruction manual bfc 39 is 3. The electrical section is now visible. 4. The gas control valve has a test nipple that can be used for measuring the gas control valve pressure. This test nipple has a sealing screw. Loosen the sealing screw by a few turns. Do not completely loosen it as it can be dif...
Page 42
Installation 40 instruction manual bfc 3 is gas control valve pressure adjustment 3.11.3 co 2 adjustment to check the co 2 value under full load and partial load and to adjust it if necessary, proceed as follows: 1. Isolate (10.3 "isolating the water heater from the mains") the appliance from the po...
Page 43
Instruction manual bfc 41 is 12. Then compare the measured co 2 value against the value from the table (3.4.3 "gas data"). Caution the co 2 value at full load must be within ±1.0 vol% of the co 2 value stated in the table (3.4.3 "gas data"). Bfc 28 to 60 13. If necessary, adjust the co 2 value using...
Page 45
Instruction manual bfc 43 is bfc 80 t/m 120 - co 2 adjustment (partial load) note turning to the left (anticlockwise) means more less (lower co 2 level) and turning to the right (clockwise) means more gas (higher co 2 level). Note after conversion, you must check that the gas control valve is gastig...
Page 46
Installation 44 instruction manual bfc 3 is 10. Read the pressure from the meter at the moment when the appliance switches from pre purge to pressure switch. At this point, the appliance's display will show: 11. Check whether the measured value matches the value from the table (3.4.3 "gas data"). No...
Page 47: Conversion to A
Instruction manual bfc 45 is 4 conversion to a different gas category 4.1 introduction caution the conversion may only by carried out by a competent person. If the appliance has to operate on a different family of gases (liquid petroleum gas or natural gas) or gas category other than that for which ...
Page 48
Conversion to a different gas category 46 instruction manual bfc 4 is.
Page 49: Filling
Instruction manual bfc 47 gis 5 filling installation diagram legend vented and unvented unused numbers are not applicable 1. Pressure relief valve (mandatory if the mains water pressure is too high) 3. T&p valve (mandatory) 4. Stop valve (recommended) 5. Non-return valve (mandatory) 6. Circulation p...
Page 50
Filling 48 instruction manual bfc 5 gis 5.1 filling unvented installations to fill the water heater, proceed as follows: 1. Open the stop valve (11) in the hot water pipe and, if present, the stop valves (4) for the circulation pump (6). 2. Close the drain valve (9). 3. Open the nearest hot water dr...
Page 51: Draining
Instruction manual bfc 49 gis 6 draining installation diagram legend vented and unvented unused numbers are not applicable 1. Pressure relief valve (mandatory if the mains water pressure is too high) 3. T&p valve (mandatory) 4. Stop valve (recommended) 5. Non-return valve (mandatory) 6. Circulation ...
Page 52
Draining 50 instruction manual bfc 6 gis 6.1 draining unvented installations some service activities require the water heater to be drained. The procedure is as follows: 1. Activate the menu with . 2. Position the cursor in front of off. 3. Confirm off with . 4. Wait until the fan has stopped. The i...
Page 53: The Control Panel
Instruction manual bfc 51 gis 7 the control panel 7.1 introduction this chapter covers the following topics: • control; • explanation of icons; • on/off switch on controller; • navigation buttons; • pc connection. 7.2 control the control panel is completely menu-driven, and comprises: • a 4-line dis...
Page 54
The control panel 52 instruction manual bfc 7 gis the arrows ^ and È indicate that you can scroll up and/or down. Use the buttons and to scroll. The cursor » points to the option to be activated. In the display as shown in the figure, you can scroll through the main menu. The main menu comprises: of...
Page 55: Status of The Water
Instruction manual bfc 53 gis 8 status of the water heater 8.1 introduction this chapter covers the following topics: • operating modes; • error conditions; • service condition; • anode warning. 8.2 operating modes when running, the water heater has four basic operating modes, namely: • off • on • e...
Page 56
Status of the water heater 54 instruction manual bfc 8 gis 8.2.4 prog in this mode a preset week program is active, and the water heater responds continually to demand within the time periods set in the week program. There are two distinct situations possible in this mode: 1. The current time falls ...
Page 57
Instruction manual bfc 55 gis 8.5 anode warning this message appears when the anode protection is no longer active. If the message appears, you must contact your service and maintenance engineer. Note the water heater continues to function when this message appears. !!! Warning !!! Power anode malfu...
Page 58
Status of the water heater 56 instruction manual bfc 8 gis.
Page 59: Starting The Water
Instruction manual bfc 57 gis 9 starting the water heater 9.1 introduction this chapter covers the following topics: • starting the appliance. • the appliance's heating cycle. 9.2 starting the appliance start the water heater as follows: 1. Fill the water heater (5 "filling"). 2. Open (3.5 "installa...
Page 60
Starting the water heater 58 instruction manual bfc 9 gis when the water heater starts, it will run through the following steps: 1. The water temperature drops below the set temperature of (for example) 65°c. The controller detects a heat demand and starts the operating cycle. - the icon is activate...
Page 61: Shutting Down
Instruction manual bfc 59 gis 10 shutting down 10.1 introduction this chapter describes: • decommissioning the water heater for a short period. • isolating the water heater from the mains; • decommissioning the water heater for a long period. 10.2 decommissioning the water heater for a short period ...
Page 62
Shutting down 60 instruction manual bfc 10 gis.
Page 63: Main Menu
Instruction manual bfc 61 gis 11 main menu 11.1 introduction the menu is reached by pressing the button on the controller. The main menu comprises: • off select this option if you wish to shut the water heater down (10 "shutting down") for a brief period, but do not wish to drain it. In this mode, t...
Page 64
Main menu 62 instruction manual bfc 11 gis 2. Use: • to increase the value; • to decrease the value. • confirm with .After confirming, the appliance enters "on mode". Note if the preset temperature is higher than the current water temperature, then the appliance might not immediately start the heati...
Page 65
Instruction manual bfc 63 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 respectively, the water temperature is 65ºc and the pump is switched on (p). Example as an example, we will set ...
Page 66
Main menu 64 instruction manual bfc 11 gis 11.7.3 week program: setting the water temperature 1. Use and to set the water temperature. In the example this is 75°c. Confirm with . The cursor moves to pump on 11.7.4 week program: setting the program- controlled pump 1. If required, a pump can be contr...
Page 67
Instruction manual bfc 65 gis 3. Proceed as follows: a. Set the switch-on time (11.7.1 "week program: setting the switch-on time"). B. Set the switch-off time (11.7.2 "week program: setting the switch-off time"). C. Set the water temperature (11.7.3 "week program: setting the water temperature"). D....
Page 68
Main menu 66 instruction manual bfc 11 gis 6. Scroll with to start operation. Confirm with . The week program is active. 11.10 extra period use an extra period when you either want to have the water heater switch on and off for a certain period, either without modifying the active week program, or w...
Page 69
Instruction manual bfc 67 gis setting the program-controlled pump 1. If required, a pump can be controlled during the period. Use and to set pump on . The pump ensures a regular circulation of hot water in the hot water pipes. You can skip this step if you there is no pump in your hot water circuit....
Page 70
Main menu 68 instruction manual bfc 11 gis 4. The cursor is positioned beside sunday. Scroll with and to the desired day. Confirm with . The day has been set. The display shows the sub- menu for adjusting the time. 5. The cursor moves to the hour digits, which will blink. Scroll with and to the curr...
Page 71: Service Program
Instruction manual bfc 69 is 12 service program 12.1 introduction the service program is used by the installation engineer or service and maintenance engineer for: • displaying the water heater history; • displaying the error history; • displaying the water heater history; • display the selected wat...
Page 72
Service program 70 instruction manual bfc 12 is call up the menu for displaying the water heater history as follows: • : appliance history the figure shows an example. 12.5 display the selected water heater call up the menu for displaying the water heater selection as follows: • : select appliance t...
Page 73
Instruction manual bfc 71 is temporarily raising the setpoint during full load or partial load 1. :>:service operation. 2. Select full load or partial load. The example below describes the situation for full load , which is identical to that for partial load . 3. Confirm with . 4. To create a heat d...
Page 74
Service program 72 instruction manual bfc 12 is.
Page 75: Errors
Instruction manual bfc 73 gis 13 errors 13.1 introduction a distinction is made between: • general errors general errors are not reported on the display. General errors are: - gas smell - display does not light up - insufficient or no hot water. - water leakage - explosive ignition. The manual inclu...
Page 76
Is instruction manual bfc 74 13.2 troubleshooting table for general errors warning maintenance may only be performed by a qualified service and maintenance engineer. General errors indication cause measure remark gas smell gas leak warning close the main gas valve at once. Warning do not operate any...
Page 77
Is instruction manual bfc 75 water leakage leakage from a water connection (threaded) tighten the threaded connection if the leak persists, consult your installation engineer condensate leakage check that the condensation water discharge is working properly. Rectify if necessary leakage from another...
Page 78
Is instruction manual bfc 76 13.3 troubleshooting table for displayed errors displayed errors code + description cause measure remark s01 (blocking error) open circuit from temperature sensor t 2 at the bottom of the tank. Sensor is not (correctly) connected connect the sensor lead to jp3 see the el...
Page 79
Is instruction manual bfc 77 s11 (blocking error) short circuit in temperature sensor t 2 at the bottom of the tank. Short circuit in sensor circuit replace the cable and/or sensor. To replace the necessary parts, you must contact your installation engineer s12 (blocking error) short circuit in sens...
Page 80
Is instruction manual bfc 78 f01 (blocking error) defect in power supply circuit live and neutral connected wrong way around. Be sure to connect the live and neutral correctly (3.10 "electrical connection"); the water heater is phase-sensitive see the electrical diagram (17 "appendices"). Condensati...
Page 81
Is instruction manual bfc 79 f03 (lock out error) the pressure switch fails to work correctly damaged wiring/open circuit 1. Check the wiring between the pressure switch and the controller 2. If necessary, replace the wiring if the error cannot be resolved or is persistent, contact your installation...
Page 82
Is instruction manual bfc 80 f04 (lock out error) three unsuccessful ignition attempts. No gas 1. Open the main gas supply valve and/or the manual gas supply valve before the gas control valve 2. Check supply pressure to the gas control valve 3. If necessary, restore the gas supply to restore the ga...
Page 83
Is instruction manual bfc 81 f06 (blocking error) short circuit between flame probe and earth damaged cable in contact with metal surface or bent flame probe. Check the wiring and the flame probe. Replace the wiring and/or flame probe if necessary. If the error persists, contact your installation en...
Page 84
Is instruction manual bfc 82 c02 (lock out error) error message from the controller. Incorrect reference voltage from the ad converter. 1. Reset controller. 2. Check that the frequency of the power supply is compliant (3.4.2 "general and electrical specifications"). If not, contact your installation...
Page 85
Is instruction manual bfc 83 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 >88 o c. None. This is a temporary message that may appear from time to time, but will disappear automatically. E03 (lock-out...
Page 86
Is instruction manual bfc 84 13.4 warnings on the display warnings on the display indication cause measure remark maximum burning hours: service required. The actual burning hours have exceeded the preset burning hours. Water heater runs, but displays a warning for maintenance to your water heater, ...
Page 87: Service Interval
Instruction manual bfc 85 is 14 service interval 14.1 introduction a service should be carried out at least once a year, both on the water side and on the gas side. Among other things, the service interval depends on the water quality, the average burning time per day and the set water temperature. ...
Page 88
Service interval 86 instruction manual bfc 14 is.
Page 89: Performing
Instruction manual bfc 87 s 15 performing maintenance 15.1 introduction caution maintenance may only by carried out by an approved service and maintenance engineer. At each service, the water heater undergoes maintenance on both the water side and the gas side. The maintenance must be carried out in...
Page 90
Performing maintenance 88 instruction manual bfc 15 s 6. Switch the controller 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 ...
Page 91
Instruction manual bfc 89 s take the rate of scale formation into account when deciding on the service interval. Scale formation depends on the local water composition, the water consumption and the water temperature setting. A water temperature setting of maximum 60°c is recommended for the prevent...
Page 92
Performing maintenance 90 instruction manual bfc 15 s 15.4.3 clean heat exchanger 1. Detach the burner. 2. Clean the combustion chamber of the heat exchanger using a vacuum cleaner and a soft brush. 3. Detach the chimney flue. 4. Clean the end of the heat exchanger using tap water. 5. Fit the burner...
Page 93: Warranty (Certificate)
Instruction manual bfc 91 gis 16 warranty (certificate) to register your warranty, you should complete and return the enclosed warranty card, after which a warranty certificate will be sent to you. This certificate gives the owner of an appliance supplied by a.O.Smith water products company b.V. Of ...
Page 94
Warranty (certificate) 92 instruction manual bfc 16 gis i. The water heater is at all times fitted with cathodic protection. If sacrificial anodes are used for this, these must be replaced and renewed when, and as soon as, they are 60% or more consumed. When power anodes are used, it is important to...
Page 95: Appendices
Instruction manual bfc 93 is 17 appendices 17.1 introduction this appendix contains: • menu structure (17.2 "menu structure") • electrical diagram (17.3 "electrical diagram") • declaration of conformity (17.4 "declaration of conformity") • week program card (17.5 "week program card").
Page 96
Appendices 94 instruction manual bfc 17 is 17.2 menu structure ignition speed working speed day/time specifications anti legionella regulation interval full load partial load extra period service interval settings language service operation start operation select appliance program overview pump rela...
Page 97
Instruction manual bfc 95 is.
Page 98
Appendices 96 instruction manual bfc 17 is 17.3 electrical diagram electrical diagram 1 = brown, 2 = blue, 3 = geel / green, 4 = black, 5 = white, 6 = grey / beige, 7 = green e 1 2 3 4 5 6 10 7 8 9 d c b 4 4 3 x x 4 4 xx jp8 j29 x x x jp12 jp6 x x 6 x x 6 x x 6 jp2 j19 j21 x 3 x x x x x 2 1 3 x x x ...
Page 99
Instruction manual bfc 97 is terminal block connections: earth n neutral l live input of controller l 1 phase input of isolating transformer (primary side) l 2 phase output of isolating transformer (secondary side) l 3 phase input of program-controlled pump components: a control b flame probe c hot ...
Page 100
Appendices 98 instruction manual bfc 17 is 17.4 declaration of conformity declaration of conformity.
Page 101
Instruction manual bfc 99 17.5 week program card you can cut the week program card out and keep it near the water heater. Example period day time tset pump 1. On ....°c on / off off 2. On ....°c on / off off 3. On ....°c on / off off 4. On ....°c on / off off 5. On ....°c on / off off 6. On ....°c o...
Page 102
Instruction manual bfc 100
Page 103: Index
Instruction manual bfc 101 index a actuation 61 ambient conditions 17 ambient temperature 18 c claims 92 connecting the air supply 28 connecting the chimney flue 28 connecting the circulation pipe 26, 27 connecting the cold water side 26, 27 connecting the hot water side 26 conversion to a different...
Page 104
0310 878 1. 1 uk index instruction manual bfc t target groups 10 terminal block 34 thermocontrol on/off switch 51 trademarks 3 u user 10 w warranty 91 exclusions 92 general information 91 installation and conditions of use 91 scope 92 water composition 18 setting the temperature 61 water heater disp...