A.O. Smith 28 30 50 60 Release R.1.3 UK 21, Table 3.4 Dimensions

Technical specifications

Release R.1.3 UK 21

is

Table 3.4 Dimensions

Dime

nsion

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 the gas connection (mm) 1270 1810 1810 1810

M Height of cold water supply connection (mm) 160 160 160 160

N Height of hot water outlet connection (mm) 1405 1920 1920 1920

P Height of cleaning and inspection opening (mm) 200 200 200 200

R Height of drain valve (mm) 75 75 75 75

S Height of T&P valve (mm) 890 1415 1415 1415

W Height of condensation drainage (mm) 110 110 110 110

X Height of air supply connection (mm) 1205 1730 1730 1730

1 Cold water supply connection R 1½ (external)

2 Hot water outlet connection R 1½ (external)

3 Gas control connection Rp ¾ (internal)

4 Drain valve connection (external) ¾”

5 T&P valve connection (internal) ¾” NPT 1 - 11.5 NPT

6 Dimensions cleaning and inspection opening

(mm)

95 x 70

7 Condensation drainage connection (internal) Ø 40 mm Rp 1 Rp 1 Rp 1

Table 3.5 General and electrical data

DESCRIPTION Unit BFC 28 BFC 30 BFC 50 BFC 60

Capacity litres 217 368 368 368

Maximum working pressure bar 8 8 8 8

Empty weight kg 175 225 225 225

Heating time ∆T = 45oC minutes 23 3 5 24 20

Number of anodes - 4 4 4 4

Number of bar burners/orifices - n.a. n.a. n.a. n.a.

Number of flue tubes/flue baffles - 1/? 1/? 1/? 1/?

Fan rotational speed at ignition r. p.m. 4500 4500 4500 4500

Working speed of fan rpm 4980 5400 6000 6660

Diameter of air restrictor mm 23.0 23.0 28.0 29.0

Contents

Main Page Release R.1.3 UK 3 Copyright Trademarks Liability More information Page Release R.1.3 UK 5 Table of contents 1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 2 Functioning of the appliance- - - - - - - - - - - - - - - - - - 13 3 Installation - - - - - - - - - - - - - - - - - - - - - - - - - - - 17 4 Filling and draining - - - - - - - - - - - - - - - - - - - - - - - 39 5 The control panel- - - - - - - - - - - - - - - - - - - - - - - - 43 6 Status of the appliance - - - - - - - - - - - - - - - - - - - - - 45 7 Starting up and shutting down - - - - - - - - - - - - - - - - - 49 8 Main menu - - - - - - - - - - - - - - - - - - - - - - - - - - - 53 Release R.1.3 UK 7 9 Service program - - - - - - - - - - - - - - - - - - - - - - - - 65 10 Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - 69 11 Maintenance frequency - - - - - - - - - - - - - - - - - - - - 83 12 Maintenance - - - - - - - - - - - - - - - - - - - - - - - - - - 85 Page Release R.1.3 UK 9 1 Introduction 1.1 About the appliance 1.2 What to do if you smell gas Warning 1.3 Regulations 1gis g i s Page Page Release R.1.3 UK 13 2 Functioning of the appliance 2.1 Introduction 2.2 Functional description of the 14 Instruction Manual BFC 2gis 2.3 The appliances heating cycle 2.4 Protection for the Release R.1.3 UK 15 2.4.1 Water temperature protection 2.4.2 Gas control 2.4.3 Fan 2.4.4 Pressure switch 2gis 2.4.5 Ionisation rod 2.5 Safety of the instal- lation 2.5.1 Unvented installation 2.5.2 Vented installation 3 Installation Page Page Page Release R.1.3 UK 21 Table 3.4 Dimensions Page Release R.1.3 UK 23 Table 3.6 Gas data 3.5 Installation diagram Gas category data Page Page Page Page 28 Instruction Manual BFC 3.9.1 Concentric wall flue terminal Table 3.8 Concentric wall flue terminal specifications Release R.1.3 UK 29 3.9.2 Concentric roof flue terminal Table 3.9 Concentric roof flue terminal specifications 30 Instruction Manual BFC 3.10 Electrical connection Warning 3.10.1 Introduction 3.10.2 Preparation Table 3.10 Electrical connection block Release R.1.3 UK 31 3.10.3 Mains voltage 32 Instruction Manual BFC 3.10.4 Isolating Transformer 3.10.5 Continuous pump 3.10.6 program-controlled pump 3.10.7 Extra ON mode switch (Tank ON) Release R.1.3 UK 33 3.10.8 Connecting extra error signal (Alarm OUT) 3.11 Checking the supply pressure and burner pressure Page Release R.1.3 UK 35 3.12 Conversion to a different gas category 36 Instruction Manual BFC n Release R.1.3 UK 37 c Page Release R.1.3 UK 39 4 Filling and draining 4.1 Introduction 4.2 Filling the appliance 4.2.1 Filling unvented installations 4.2.2 Filling vented installations 4gis Release R.1.3 UK 41 4.3 Draining the 4.3.1 Draining unvented installations 4.3.2 Draining vented installations Page Release R.1.3 UK 43 5 The control panel 5.1 Introduction 5.2 Operating 44 Instruction Manual BFC 5gis 5.3 Explanation of the icons 5.4 ON/OFF switch of ThermoControl 5.5 Navigation buttons 5.6 PC connection. 6 Status of the appliance 6.1 Introduction 6.2 Operating modes 46 Instruction Manual BFC 6gis 6.3 Error conditions Release R.1.3 UK 47 6.4 Service condition Page Release R.1.3 UK 49 7 Starting up and shutting down 7.1 Introduction 7.2 Starting up 7.3 Shutting down 50 Instruction Manual BFC 7gis 7.3.1 Shut the appliance down for a brief period (OFF mode) 7.3.2 Disconnect the appliance from the mains 7.3.3 Shut the appliance down for a longer period Release R.1.3 UK 51 W S O D 7gis G O V and D S 8 Main menu 8.1 Introduction 8.2 Notational convention for menu-related instructions 54 Instruction Manual BFC 8.3 Switching into ON mode 8.4 Setting the water temperature 8.4.1 Setting the water temperature via SETPOINT MENU 8.4.2 Setting water temperature during ON mode Release R.1.3 UK 55 8.5 Week programme 8.5.1 Introduction 8.5.2 Starting up and shutting down the week program 8.5.3 Changing the appliances standard week program Page Release R.1.3 UK 57 8.5.4 Adding times to a week program 58 Instruction Manual BFC 8.5.5 Deleting times from a week program Page 60 Instruction Manual BFC 8.6 Extra period 8.6.1 Introduction 8.6.2 Programming an extra period Release R.1.3 UK 61 8.7 Settings 8.7.1 Introduction 8.7.2 Setting menu language 62 Instruction Manual BFC 8.7.3 Setting day and time 8.7.4 Displaying appliance specifications Page Page Release R.1.3 UK 65 9 Service program 9.1 Introduction 9.2 Setting the hysteresis 9.3 Displaying the error history 66 Instruction Manual BFC 9is 9.4 Displaying the appliance history 9.5 Display the selected 9.6 Setting the pump on/off 9.7 Setting the service interval Release R.1.3 UK 67 9.8 Setting the display contrast 9.9 Setting the backlight time 9.10 Setting the display scroll speed Page Release R.1.3 UK 69 10 Troubleshooting 10.1 Introduction Page Page Release R.1.3 UK 72 10.3 Troubleshooting table for displayed errors Page Page Page Page Page Page Page Page Page Page Release R.1.3 UK 83 gs 11 Maintenance frequency 11.1 Introduction 11.2 Determining service interval Page Release R.1.3 UK 85 12 Maintenance 12.1 Introduction cNote 12.2 Preparation for maintenance Page Page 12 s Release R.1.3 UK 89 13 Warranty (Certificate) 13.1 General warranty 13.2 Tank warranty 13.3 Installation and conditions of use 13.4 Exclusions 13 gis Page Appendices 92 Instruction Manual BFC Ais % A.2 Electrical diagram BFC A ! Page Index Release R.1.3 UK 95 IX Index A B C D IX gis N O P R