Manuals / A.O. Smith / Household Appliance / Water Heater

A.O. Smith service manual Instruction manual TWI 35-130 G/TWI 45-190 G, Remark

Models: TWI 35-130 TWI 45-190

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Page 31

Image 31

Connector block

IMD-0534 R0

Legends

A.screws

B.cover plate

C.connector block

D.strain relief

For preparation remove the cover plate (B) from the electricity part by loosening the two screws (A).

Remark

Consult the electrical circuit diagram for connecting the electrical components.

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

Page 31

Image 31

A.O. Smith Instruction manual TWI 35-130 G/TWI 45-190 G, A. screws B. cover plate C. connector block D. strain relief

Contents

A DIVISION OF A. O. SMITH CORPORATION Installation User and Service Manual35-130 45-190 WATER PRODUCTS COMPANYyour installer Instruction manual TWI 35-130 G/TWI 45-190 G Instruction manual TWI 35-130 G/TWI 45-190 G Instruction manual TWI 35-130 G/TWI 45-190 G Carefully read this manual Trade marks LiabilityAdditional information Copyright 2007 A.O. Smith Water Products CompanyInstruction manual TWI 35-130 G/TWI 45-190 G Operation of the device InstallationErrors MaintenanceIndex Table of contentWarranty certiﬁcate Annex0063 1.2 What to do when you smell gas 1.3 Regulations1 Introduction 1.1 About the deviceIntroduction 1.5 MaintenanceSymbols per target group Symbol10. Maintenance The table provides an overview of the content of this documentInstallation Errors12. Annexes 11. Warranty certiﬁcateThis chapter contains the terms of warranty 1 IntroductionThis chapter will cover in the given order Safety of the installation2 Operation of the device IntroductionHeating cycle of the Security of the water temperature the Gas controlthe Air pressure switch the Ionisation detection Operation of the device2.4.4 Fan 2.4.2 Security of the water temperature2.4.5 Air pressure switch 2.4.3 Gas controlOperation of the device 2.5.1 Unvented installation2.5.2 Vented installation 2.5.3 T&P valvePackaging 3 InstallationConnections diagram Check and adjust the CO2-valueWeight of the device ﬁlled with water 3 Installation3.3.1 Air humidity and ambient temperature Air humidity and ambient temperatureIMD-0528 R0 Instruction manual TWI 35-130 G/TWI 45-190 GRemark Working areaSee the table 3.4.1 Dimensions of the device3 Installation Instruction manual TWI 35-130 G/TWI 45-190 G3.4.2 DimensionInstruction manual TWI 35-130 G/TWI 45-190 G Description3 Installation Connections diagramThe ﬁgure shows the connections diagram. This diagram is used in the sections describing the actual connecting activities3.6.2 Hot water side Water connectionsunvented 3.6.1 Cold water side3.9.2 Requirements for ﬂue gas discharge material 3.7.3 Circulation piping3.7.4 Condensation drainage 3.9 Air supply and ﬂue gas discharge 3.9.1 IntroductionDevice types Instruction manual TWI 35-130 G/TWI 45-190 GIMD-0531 R0 Concentric connections Explanation of device typesDevice types 3.9.3Instruction manual TWI 35-130 G/TWI 45-190 G Device with concentric ﬂue gas discharge materialSpeciﬁcations Subject90 bend Speciﬁcation of concentric roof ﬂue terminal C333.9.4 Parallel connections Maximum running length4.6 x 8 + 25 = 36.8 + 25 = 61.8 m Instruction manual TWI 35-130 G/TWI 45-190 G3.10.2 Preparation 3.10 Electrical connection1.3 “Regulations” 3.10.1 IntroductionInstruction manual TWI 35-130 G/TWI 45-190 G A. screws B. cover plate C. connector block D. strain reliefRemark 3 Installation 3.11 Check and adjust the CO2-value3.10.3 Connect the mains voltage 3.10.4 Isolating transformerInstruction manual TWI 35-130 G/TWI 45-190 G 3.11.1 Checking procedureInstruction manual TWI 35-130 G/TWI 45-190 G 3.11.2 Adjust the CO2-value3 Installation 1. Remove the cap 3 from the CO2 setting screwConversion to another gas category is not possible 4 Conversion to another gas categoryInstruction manual TWI 35-130 G/TWI 45-190 G Conversion to another gas category Instruction manual TWI 35-130 G/TWI 45-190 GInstruction manual TWI 35-130 G/TWI 45-190 G 5 FillInstruction manual TWI 35-130 G/TWI 45-190 G 5.1 Fill the device 5.1.1 Fill unvented installations5.1.2 Fill vented installations 5 FillInstruction manual TWI 35-130 G/TWI 45-190 G 6 DrainDrain vented installations6 Drain Drain unventedHeating cycle of the Opening the gas valve 3.5 “Connections diagram”7 Start up Heating cycle of the deviceInstruction manual TWI 35-130 G/TWI 45-190 G Start upShut down the device for a long period 8 Shut downYou can Shut down the device for a short time Electrically isolate the deviceInstruction manual TWI 35-130 G/TWI 45-190 G Shut downA distinction is made between 9 ErrorsGeneral errors Errors visible on the controlClean the burner 10.4.2 “Clean the burner” Troubleshooting table for general errorsSymptom SolutionSymptom Instruction manual - TWI 35-130 G/TWI 45-190 GInsufﬁcient or no hot water2 SC 9.3 Troubleshooting table for errors visible on the controlLight pulses 1 SCSee 12.2 “Electrical circuit diagram” See 12.2 “Electrical circuit diagram”3 SL3 SolutionCause SolutionInstruction manual - TWI 35-130 G/TWI 45-190 G Light pulsesRemark 10 Maintenance10.1 Introduction 10.2 Prepare maintenance Instruction manual TWI 35-130 G/TWI 45-190 Gmaintenance 10 Maintenance10.3 Water-side maintenance 10.3.1 Descale 10.3.2 Clean the condensation drainageof installation 11 Warranty certiﬁcateWarranty general Warranty tank3.3.3 Water composition” Warranty certiﬁcateThe warranty referred to in Articles 1 and 2 does not apply 11.4 Exclusions12.1 Introduction 12 AnnexInstruction manual TWI 35-130 G/TWI 45-190 G IMD 0380 429 R0 12.2 Electrical circuit diagram12 Annex Instruction manual TWI 35-130 G/TWI 45-190 GCOMPONENTS WIRING12.3 Legends CLAMPING STRIP CONNECTIONSInstruction manual TWI 35-130 G/TWI 45-190 G 12 Annexconnect IndexInstruction manual TWI 35-130 G/TWI 45-190 G Index U user W warrantyInstruction manual TWI 35-130 G/TWI 45-190 G Instruction manual TWI 35-130 G/TWI 45-190 G Instruction manual TWI 35-130 G/TWI 45-190 G 0308 489 R1.0