A.O. Smith 28 30 50 60 - Manual

Release R.1.3 UK 5 gis Table of contents 1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.1 About the appliance - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.2 What to do if you smell gas - - - - - - - - - - - - - - - - - - - - - - - - - 9 1.3 Regulations - - - ...

8 Instruction Manual BFC gis 13.2 Tank warranty- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 89 13.3 Installation and conditions of use - - - - - - - - - - - - - - - - - - - - - 89 13.4 Exclusions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 89 13.5 Scope of the wa...

About the appliance Release R.1.3 UK 9 gis 1 Introduction 1.1 About the appliance This manual describes how to install, service and use the BFC appliance. The BFC appliance is a condensing room-sealed water heater with a fan in the air intake. A concentric chimney connector is fitted standard to the...

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 installing, will apply to the installation. 1...

Overview of this document Release R.1.3 UK 11 gis 1.7 Overview of this document Table 1.2 provides an overview of the contents of this document. Table 1.2 Contents of document Chapter Target groups Description 2 Functioning of the appliance gis This chapter describes how the appliance functions. 3 I...

Protection for the appliance Release R.1.3 UK 15 gis 2.4.1 Water temperature protection With temperature sensor T1 g and temperature sensor T2 m , the ThermoControl monitors three temperatures which are important for safety. Table 2.1 explains the functioning of the temperature sensors. 2.4.2 Gas co...

Functioning of the appliance 16 Instruction Manual BFC 2 gis Table 2.2 shows the trip point per appliance. n Remark The trip point of the pressure switch is not adjustable. 2.4.5 Ionisation rod To ensure that no gas will flow when there is no combustion, an ionisation rod has been fitted. The Thermo...

Introduction Release R.1.3 UK 17 is 3 Installation Warning The installation should be carried out by an approved installer 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 whi...

Installation 18 Instruction Manual BFC 3 is 3.3.1 Humidity and ambient temperature The boiler room must be frost-free, or be protected against frost. Table 3.1 shows the environmental conditions that must be adhered to, for correct functioning of the electronics present in the appliance to be guaran...

Technical specifications Release R.1.3 UK 21 is Table 3.4 Dimensions Dimension Description BFC 28 BFC 30 BFC 50 BFC 60 A Total height (mm) 1370 1900 1900 1900 D Diameter of the appliance (mm) 705 705 705 705 G Diameter of air supply/flue gas discharge (mm) 80/125 100/150 100/150 100/150 K Height of ...

Installation 22 Instruction Manual BFC 3 is Electrical power consumption W 175 Supply voltage VAC 230 (-15% +10%) Mains frequency Hz 50 (±1 Hz) Table 3.5 General and electrical data DESCRIPTION Unit BFC 28 BFC 30 BFC 50 BFC 60

Installation diagram Release R.1.3 UK 23 is Table 3.6 Gas data 3.5 Installation diagram Figure 3.3 shows the water and gas connection diagrams for unvented and vented installations. The following paragraphs, describing the connections in detail, make reference to these diagrams Gas category data II ...

Air supply and flue gas discharge Release R.1.3 UK 27 is 4. Fit the gas supply pipe to the gas control. Warning Check for leaks after fitting. 3.9 Air supply and flue gas discharge Warning The installation should be carried out by an authorised installer, in compliance with the general and local reg...

Installation 28 Instruction Manual BFC 3 is 3.9.1 Concentric wall flue terminal Table 3.8 shows the wall flue terminal prescribed by A.O. Smith (installation type C13). Figure 3.4 Wall flue terminal A B IMD-0075 Table 3.8 Concentric wall flue terminal specifications Specification Description Manufac...

Air supply and flue gas discharge Release R.1.3 UK 29 is 3.9.2 Concentric roof flue terminal A.O. Smith Water Products Company prescribes the roof flue terminal (installation type C33) as specified in Table 3.9 . IMD-0004 Figure 3.5 Roof flue terminal Table 3.9 Concentric roof flue terminal specific...

Installation 30 Instruction Manual BFC 3 is 3.10 Electrical connection Warning The installation should be carried out by an approved installer in compliance with the general and local regulations imposed by the gas, water and power supply companies and the fire service.Refer also to paragraph ’1.3 R...

Electrical connection Release R.1.3 UK 31 is In preparation you should first remove the two plastic covers and the protective cap of the electrical section. The plastic covers are attached to the appliance by 4 screws and Velcro fastenings. The covers are also joined to each other with Velcro fasten...

Checking the supply pressure and burner pressure Release R.1.3 UK 33 is 3. If you do not need to make any more connections: - Fit the cap on the electrical connection block. - Fit the plastic covers onto the appliance. 3.10.8 Connecting extra error signal (“Alarm OUT”) Alarm OUT is a potential free ...

Installation 34 Instruction Manual BFC 3 is 9. Turn the ThermoControl ON by setting the 0/I switch to position 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 going through the following steps: - Press once on the bl...

Conversion to a different gas category Release R.1.3 UK 37 is n Remark In the event the supply pressure for a gas category is the same as the burner pressure (see the gas tables in paragraph 3.4 ) then the gas control must be fitted with a flat sealing plate with cork gasket. A burner pressure that ...

Introduction Release R.1.3 UK 39 gis 4 Filling and draining 4.1 Introduction Topics covered in this chapter:• Filling the appliance . • Draining the appliance . The components referred to in these paragraphs are illustrated in Figure 4.1 . 4.2 Filling the appliance 4.2.1 Filling unvented installatio...

Draining the appliance Release R.1.3 UK 41 gis 4.3 Draining the appliance 4.3.1 Draining unvented installations Some service activities require the appliance 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. C...

Introduction Release R.1.3 UK 43 gis 5 The control panel 5.1 Introduction Topics covered in this chapter:• 5.2 Operating ; • 5.3 Explanation of the icons ; • 5.4 ON/OFF switch of ThermoControl ; • 5.5 Navigation buttons ; • 5.6 PC connection. . 5.2 Operating Figure 5.1 shows the ThermoControl. The c...

The control panel 44 Instruction Manual BFC 5 gis 5.3 Explanation of the icons Table 5.1 gives an explanation of the icons. 5.4 ON/OFF switch of ThermoControl The ON/OFF switch of the ThermoControl switches the appliance ON and OFF. Note that in the OFF position the appliance remains electrically li...

Introduction Release R.1.3 UK 45 gis 6 Status of the appliance 6.1 Introduction Topics covered in this chapter:• 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 fros...

Status of the appliance 46 Instruction Manual BFC 6 gis 1) The current time falls within a set time period of the week program. Figure 6.4 shows the display in this situation: - line one: the text PROG ; - line two: the time, the day and alternately T 1 and T net . See paragraph 2.3 ; - line three: ...

Service condition Release R.1.3 UK 47 gis 6.4 Service condition Figure 6.7 shows the message 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. n Remark The message SERVICE...

Introduction Release R.1.3 UK 49 gis 7 Starting up and shutting down 7.1 Introduction Topics covered in this chapter:• Starting up . • Shutting down . 7.2 Starting up Start-up the appliance as follows:1. Fill the appliance. See chapter ’4 Filling and draining’ 2. Open the gas valve (see ’Figure 4.1 ...

Starting up and shutting down 50 Instruction Manual BFC 7 gis • Shut the appliance down for a longer period . 7.3.1 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. With the frost protection you can prevent...

Introduction Release R.1.3 UK 53 gis 8 Main menu 8.1 Introduction The MENU is reached by pressing button B of theThermoControl. The options are: n Remark If you fail to make any selection with the main menu open, then after 30 seconds, the appliance will automatically return to the mode it was previ...

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 SETTINGS 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 notatio...

Week programme Release R.1.3 UK 55 gis 8.5 Week programme 8.5.1 Introduction Using the week program, you can set the water temperature for the days and 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 Figu...

Main menu 56 Instruction Manual BFC 8 gis The display now shows the menu for the week program, see Figure 8.7 . With the default setting, the program switches on and off every day at 00:00 and 23:59 hours respectively, the water temperature is 65ºc and the pump is switched on ( P ). Example As an ex...

Week programme Release R.1.3 UK 57 gis The cursor moves to the minute digits, which will blink. See Figure 8.12 . 7. Use H and L to select the minutes. In the example this is 45 . Confirm with E . The cursor moves to the water temperature. See Figure 8.13 . Setting the water temperature 8. Use H and...

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 appear. See Figure 8.19 . Example As an example, we will program an extr...

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 certain period, either without modifying the active week program, or without taking the appliance out of OFF mode (frost protection act...

Main menu 62 Instruction Manual BFC 8 gis 3. Scroll with 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 Figure 8.38 . 2. Sc...

Settings Release R.1.3 UK 63 gis Table 8.2 shows the standard appliance specifications. Bring up the menu to display the appliance specifications 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 specif...

Introduction Release R.1.3 UK 65 is 9 Service program 9.1 Introduction 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 th...

Release R.1.3 UK 69 10 Troubleshooting 10.1 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 Table 10.1 gives a ...

is Release R .1.3 UK 70 Wa rn in g Ma intena nce may o nly be pe rformed b y a qu alifie d se rvi ce and main te nance e ngin eer . 10 .2 T rou blesh oot ing t a ble fo r gene ral erro rs Ta ble 10.1 Ge neral e rro rs (Shee t 1 of 3) Symptom C ause So lu tio n R emar k Ga s smell Gas lea k Wa rn in ...

Introduction Release R.1.3 UK 83 gs 11 Maintenance frequency 11.1 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...

Introduction Release R.1.3 UK 85 s 12 Maintenance 12.1 Introduction c Note Maintenance may only by carried out by an approved service and maintenance engineer. At each service, the appliance undergoes maintenance both on the water side and on the gas side. The maintenance should be carried out in th...

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 Cleaning heat exchanger 1. Detach the burner.2. Clean the combustion chamber of the heat exchanger using a vacuum cleaner and a s...

General warranty Release R.1.3 UK 89 gis 13 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 a water heater supplied by A.O. Smith Water Products Com...

Warranty (Certificate) 90 Instruction Manual BFC 13 gis b. misuse, neglect (including frost damage), modification, incorrect and/or unauthorised use of the water heater and any attempt to repair leaks; c. contaminants or other substances having been allowed to enter the tank;d. the conductivity of t...

Release R.1.3 UK 91 A Appendices A.1 Introduction This appendix contains:• The Electrical diagram BFC . • A Week program card . is

Release R .1.3 UK 93 A.3 W ee k p ro g ram ca rd Y ou can fil l-in th e week prog ram card , cut it ou t and ke ep it n ear th e appl iance . ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...