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Download (PDF 3.9 MB) - Bosch Thermotechnology

Download (PDF 3.9 MB) - Bosch Thermotechnology

2 | ContentsContents1

2 | ContentsContents1 Key to symbols and safety instructions . . . . . . . . . . . . . . . . . . 31.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 31.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . 32 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52.1 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62.2 Certification and testing mark . . . . . . . . . . . . . . . . . . . . . 62.3 Regulations and Guidelines . . . . . . . . . . . . . . . . . . . . . . . 62.3.1 National regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62.3.2 Compliance with standards and regulations . . . . . . . . . . 62.3.3 Additional regulations for installations in theCommonwealth of Massachusetts . . . . . . . . . . . . . . . . . 62.4 Suitable fuels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72.5 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.6 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.7 Tools, materials and auxiliary equipment . . . . . . . . . . . . 82.8 Data plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.9 Dimensions and specifications . . . . . . . . . . . . . . . . . . . . 92.9.1 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92.9.2 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102.9.3 Water connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Water treatment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133.1 Chemical and physical characteristics . . . . . . . . . . . . . 133.2 Central heating system . . . . . . . . . . . . . . . . . . . . . . . . . 133.2.1 Limescale deposits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133.2.2 Deposit corrosion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143.2.3 Stray current corrosion . . . . . . . . . . . . . . . . . . . . . . . . . 143.2.4 Diffused and localized acid corrosion . . . . . . . . . . . . . . 143.3 New central heating systems . . . . . . . . . . . . . . . . . . . . . 143.4 Reconditioning old heating systems . . . . . . . . . . . . . . . 143.5 Elimination air and gas from central heating system . . 143.6 Use of Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175.1 Boiler Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175.2 Assembling the paneling . . . . . . . . . . . . . . . . . . . . . . . . 185.3 Refitting the door hinges . . . . . . . . . . . . . . . . . . . . . . . . 205.3.1 Changing the direction of door opening . . . . . . . . . . . . 205.3.2 Removing the hinge assembly “B” . . . . . . . . . . . . . . . . . 235.4 Burners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235.5 Combustion gas exhaust . . . . . . . . . . . . . . . . . . . . . . . . 245.6 Venting Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 255.7 Code Required Vent Terminations . . . . . . . . . . . . . . . . 255.8 Combustion Air from outside the building . . . . . . . . . . 255.9 Combustion Air from an adjacent room . . . . . . . . . . . . 265.10 Condensate Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 265.11 Condensate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265.11.1 Draining the condensate . . . . . . . . . . . . . . . . . . . . . . . . 265.11.2 Neutralizing the condensate . . . . . . . . . . . . . . . . . . . . . 266 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286.1 Control unit settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286.2 Hydraulic connection to the heating system . . . . . . . . 296.3 Hydraulic flow through boiler . . . . . . . . . . . . . . . . . . . . 296.4 Making the electrical connection . . . . . . . . . . . . . . . . . 306.5 Fitting temperature sensors . . . . . . . . . . . . . . . . . . . . . 316.6 Flushing the heating system . . . . . . . . . . . . . . . . . . . . . 316.7 Filling the heating system . . . . . . . . . . . . . . . . . . . . . . . 326.8 Preparing the heating system for operation . . . . . . . . . 326.9 Commissioning the control unit and burner . . . . . . . . . 326.10 Setting control unit parameters . . . . . . . . . . . . . . . . . . 326.11 Commissioning report . . . . . . . . . . . . . . . . . . . . . . . . . . 337 Shutting down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347.1 Shutting down the heating system . . . . . . . . . . . . . . . . 347.2 Shutting down the heating system in an emergency . . 348 Inspection and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 358.1 Why is regular maintenance important? . . . . . . . . . . . . 358.2 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358.2.1 Opening the door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358.2.2 Adjusting the door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358.3 Cleaning the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368.4 Checking and correcting the water pressure . . . . . . . . 378.4.1 When should you check the water pressure in theheating system? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378.4.2 Sealed unvented systems . . . . . . . . . . . . . . . . . . . . . . . 378.5 Inspection and maintenance reports . . . . . . . . . . . . . . 389 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4010 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4711 Environmental protection/disposal . . . . . . . . . . . . . . . . . . . . 4812 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 496 720 805 218 (2013/02)SB625WS/SB745WS

Key to symbols and safety instructions | 31 Key to symbols and safety instructions1.1 Explanation of symbolsWarningsKeywords at the start of a warning indicate the type and seriousness ofthe ensuing risk if measures to prevent the risk are not taken.The following keywords are defined and can be used in this document:• NOTE indicates that property damage may occur.• CAUTION indicates that personal injury may occur.• WARNING indicates that severe personal injury may occur.• DANGER indicates that severe personal injury or death may occur.Important informationAdditional symbolsSymbol▶Warnings in this document are identified by a warningtriangle printed against a grey background.Important information for the proper use of the boiler isalso provided in this manual. You will find theinformation with a symbol shown on the left andbordered by horizontal lines above and below the text.MeaningSequence of stepsCross-reference to other points in this document or toother documents• Listing/list entry– Listing/list entry (2nd level)Table 11.2 General safety instructionsIf you hear gas leaking▶ Leave the building immediately.▶ Prevent others from entering the building.▶ Notify the police and fire department from outside the building.▶ From outside the building, call the gas supply company and a trainedand certified installer or service company.If you smell gas▶ Turn off the gas shut-off valve.▶ Open windows and doors▶ Do not touch any electrical switch, telephone, and do not use outlets.▶ Extinguish all open flames.▶Do not smoke!▶ Do not use lighters!▶ Warn all occupants of the building that they need to leave the building.▶ Do not ring doorbells!▶ Notify the police and fire department from outside the building.▶ From outside the building, call the gas supply company and a trainedand certified installer or service company.If you smell flue gas▶ Switch off the heating system by shutting off the emergency shut-offswitch.▶ Open windows and doors.▶ Call a trained and certified installer or service company.DANGER: Risk of fatal injury from failing to consider your ownsafety!▶ Never risk your own life. Your own safety must always take the highestpriorityNOTICE: Risk of appliance damage from improper operation of theboiler!▶ Only use the boiler for its intended purpose.▶ Only operate the boiler if it has been installed and maintained per theinstructions provided in the Installation Manual.▶ Do not attempt to operate an appliance if any part of it is not inworking order or is damaged.▶ Use only original spare parts! The use of parts not supplied by themanufacturer may cause damage to the boiler, other property andpersonal injury. Also, boiler damage caused by the use ofunauthorized parts is not covered by the warranty.DANGER: Risk of fire when soldering and brazing!▶ Take appropriate protective measures when soldering and brazingaround combustible and flammable material.NOTICE:▶ The installation must comply with all applicable national, state, andlocal codes, rules, and regulations.▶ The operator is responsible for the operational safety and regulatorycompliance of the heating system.▶ In the Commonwealth of Massachusetts, the appliance must beinstalled by a licensed plumber or gas fitter.DANGER: Risk of personal injury or death from flue gas poisoning!▶ Do not install a thermostatic flue gas damper downstream of the drafthood.▶ Do not tamper with, remove, or attempt to repair the blocked ventswitch.▶ When replacing the blocked vent switch, install the new part in theoriginal location.▶ A blocked vent switch tripping more than once indicates a problemwith the venting system or chimney which must be repairedimmediately.▶ Ensure none of the vent pipes and chimneys are damaged or blocked.▶ Connect only one appliance to each venting system or chimney.▶ The venting system must not feed into or route through another airextraction duct.▶ The venting system must be inspected annually. All parts that showany signs of damage or corrosion must be replaced.▶ Never close off or reduce the size of the combustion air openings.▶ The boiler must not be operated until any obstructions have beenremoved.SB625WS/SB745WS6 720 805 218 (2013/02)

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