A.O. Smith BFM - 120, BFM - 100 manual Index

Page 73

gis

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 connecting hot water side 25 control thermostat 49

conversion to a different gas category 39

D

document contents 9 draining 45

E

electrical connection 34 environmental conditions 17

F

filling 43

flame probe 15 forms of notation 8

G

gas category, conversion to different 39 gas connection 26

general specifications 3

H

heating cycle 13 humidity 17

I

icons 49 explanation 49

ignition 13

installation engineer 8, 9 isolator 35

L

liability 3

M

mains power 35 maintenance

anode 64 burner 66 finalising 66 gas-side 66 orifice 66 perform 63 preparation 63 water-side 64

O

operating modes 51

P

packaging 17 protection 13

R

reset button 50

roof flue terminal 29, 33 running 53

S

scale 64 service check 8 service engineer 8 shunt pump 24, 25 specifications 19 starting up 53 supply pressure 36 symbol

installation engineer 8 service engineer 8 user 8

T

target groups 8 to shut down

electrically isolating 55 longer period 55 short period 55

trademarks 3

U

user 8

W

wall flue terminal 28, 31 warranty 67

exclusions 68 general 67

installation and conditions of use 67 scope 68

water composition 18

Instruction manual BFM

73

Image 73

Contents Page Page Trademarks Read this manual carefullyLiability More informationGis Table of contents Performing maintenance TroubleshootingWarranty certificate Electrical diagramAbout the appliance IntroductionWhat to do if you smell gas Regulations Symbol Target group Maintenance Forms of notation Target groupsIntroduction Document Overview of thisChapter Target groups Description Gis General working Working principle of the appliancePrinciple Appliance Working principle of the appliance Appliances heating cycle Protection for the appliance Pressure switch Water temperature protectionFlame probe Protection DescriptionUnvented installation Safety of the instal- lationVented installation 3 T&P valveGis Air humidity and ambient temperature InstallationAir humidity and ambient temperature PackagingMaximum floor load InstallationWater composition Working clearancesTechnical specifica- tions Plan and elevation of the appliance Dimensions of the applianceDimens Description General and electrical specificationsBFM100 BFM120 Ion UnitDescription Unit Gas dataNatural gas G20 20 mbar LP gas data G30 30 mbar butaneInstallation diagram Installation diagramCold water side Water connections, VentedRecirculation pipe Hot water sideCirculation pipe Water connections, Unvented See C in the installation diagram 3.5 Installation diagramGas connection Circulation pipeAir supply and flue Introduction Installing chimney flue components for BFM 30, 50Subject Description Concentric wall flue terminal BFMConcentric roof flue terminal BFM 30, 50 Installing chimney flue components for BFM 100 C33 concentric roof flue terminal specifications BFM 30, 50Concentric wall flue terminal BFM100 M2000 MDV SCC C13 concentric wall flue terminal specifications BFM 100Concentric roof flue terminal BFM 100 Electrical connection 11 C33 concentric roof flue terminal specifications BFM 100Mains power Fan Alarm Off Connecting the mains powerGas control for BFM 30 through Checking the supply pressure and burner pressureGas control for BFM BFM BFM 30, 50, 80Conversion Conversion to a different gas categoryConversion to a different gas category Orifice replacementPage Conversion to a different gas category Filling Filling Draining Draining Draining unvented installationsDraining vented installations Gis Control panel ON/OFF switchExplanation of icons Control thermostatControl panel Burner control reset buttonStatus of the appliance Error conditionsOperating modes Status of the appliance Starting the appliance Starting and runningAppliances heating cycle Starting and running Shutting down Shutting down the appliance for a brief period OFF modeIsolating the appliance from the mains Shutting the appliance down for a long periodShutting down Control thermostat 7.5 Control thermostat TroubleshootingSymptom Cause Solution Remark Gas smell Troubleshooting general errorsWater leakage Explosive ignitionSymptom Cause Solution Remark Insufficient hot water Troubleshooting insufficient hot waterTroubleshooting No hot water Cycle Symptom Cause Solution RemarkPage Introduction Preparation for maintenance Performing maintenancePerforming maintenance Descaling and cleaning the tankWater-side mainte- nance 12.3.1 Checking the anodesIMD-0235 R2 Clean the orifices Clean the burnersGas-side mainte- nance 12.4.1 Checking the flue baffles Finalising mainte- nance13.1 General warranty Warranty certificate13.2 Tank warranty Conditions for Instal- lation and useWarranty certificate Electrical diagram Electrical diagram BFM Electrical DiagramOptional Components Electrical diagram Index Index 0306