A.O. Smith TWI 45-190, TWI 35-130 service manual 0308 489 R1.0

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0308 489 R1.0

Instruction manual TWI 35-130 G/TWI 45-190 G

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Contents 35-130 45-190 Your installer Page Page Copyright 2007 A.O. Smith Water Products Company Page Maintenance InstallationErrors Operation of the deviceTable of content Warranty certiﬁcateAbout the device What to do when you smell gas RegulationsIntroduction Introduction Target groupsInstallation Chapter Target groups DescriptionWarranty certiﬁcate This chapter contains the terms of warrantyOperation of the device Introduction This chapter will cover in the given orderSecurity of the device Introduction Operation of the deviceHeating cycle Gas control Security of the water temperatureAir pressure switch 4 Fan3 T&P valve Unvented installationVented installation Installation PackagingInstallation Working area Dimensions of the device Dimension Description TWIDimension Description TWI Description Unit TWIVented Circulation piping Cold water sideHot water side Condensation drainageAir supply and ﬂue gas discharge Introduction Requirements for ﬂue gas discharge materialDevice types Device Diameter Maximum length Maximum num Ber of 90 bends Device types DescriptionConcentric connections Practical example of concentric ﬂue gas discharge ExampleSpeciﬁcations Subject DescriptionBend Parallel connectionsDevice Diameter Maximum running length Practical example of parallel ﬂue gas discharge ExampleDevice with parallel ﬂue gas discharge material Electrical connection PreparationConnector block Check and adjust the CO2-value Connect the mains voltage Isolating transformerChecking procedure Gas controlAdjust the CO2-value Conversion to another gas category Conversion to another gas category Fill UnventedFill the device Fill unvented installations Fill vented installationsDrain Drain vented InstallationsDrain unvented Opening the gas valve 3.5 Connections diagram Start upStart up For a short time Shut downIntroduction You can Electrically isolateShut down Errors visible on the control ErrorsIntroduction Distinction is made between General errors Explosive ignition Symptom Cause Solution Remark Gas smellWater leakage Symptom Cause Solution Remark Insufﬁcient or no Hot waterTroubleshooting table for errors visible on the control Light pulses Cause Solution RemarkLight pulses Cause Solution Remark SL3 See 12.2 Electrical circuit diagramTWI Maintenance Introduction Prepare maintenanceMaintenance 11.2 Warranty tank Warranty certiﬁcate11.1 Warranty general 11.3 Conditions11.7 Obligations Warranty certiﬁcate11.6 Claims SmithAnnex Electrical circuit diagram AnnexWiring Annex Index ConnectUser Warranty IndexPage 0308 489 R1.0