User manual Logano G234X
Contents
1. Aflue gas shutoff switch tripping more than once indicates a problem with the flue gas system or chimney which must be repaired immediately gt Ensurenone of the vent pipes and chimneys are damaged or blocked gt Connect only one appliance to each flue gas system or chimney The flue gas system must not feed into or through another air extraction duct The flue gas system must be inspected once a year All parts that show any signs of damage or corrosion must be replaced Danger of explosion of flammable gases Work on gas components may be carried out only by a trained and certified installer or contractor gt Installation gas and flue gas connections initial commissioning power connection preventive maintenance and repair may be carried out only by a trained and certified installer or contractor Danger of poisoning Donot close or reduce combustion air vents gt The boiler must not be operated until all obstructions have been removed Dangers posed by explosive and easily flammable materials gt Never use or store easily flammable or combustible materials e g paper curtains clothing thinners paints etc near the boiler gt Itis recommended not to store any items within 16 inches 415 mm of the boiler Danger from neglecting safety devices Hot water may escape from the safety valve when the appliance is running gt Never shut off safety valves Safety instructions Danger of electri2. 5 ON OFF switch OFF position gt Turn off the gas shutoff valve gt Removing the front wall of the boiler gt Fig 2 page 5 gt Turn the gas valve ON OFF knob gt Fig 3 1 page 5 clockwise to the OFF position Do not use excessive force gt Replace front panel of boiler Flame roll out safety shutoff switch The boiler is equipped with a flame roll out switch If the flue duct in the boiler is blocked the flame roll out switch responds If the flue duct is blocked gt Do not try to light the boiler gt Informa qualified service company The vent pipe in the boiler must be checked for blockage and the flame baffle replaced The flame roll out switch is for one time use only and may not be reused Buderus Logano G234X 6 720 811 235 2014 05 5 a Start up procedure Flue gas monitoring switch The boiler is eguipped with a flue gas monitor The flue gas monitor responds if the flue gas outlet in the boiler is blocked The flue gas monitor is mounted directly on the flue gas collector If the flue gas outlet in the boiler is blocked gt Donot try to light the boiler gt Inform a qualified service company The flue gas path must be searched for blockages The flue gas monitor must be reset Only then can the boiler be started up again 3 3 Checking the operating pressure topping up the boiler water and purging air from the system The water used for filling the heating system loses a subs
3. Notify the police and fire department from outside the building From outside the building call the gas supply company anda trained and certified installer or service company If you smell flue gas Switch off the heating system by shutting off the emergency shutoff switch Open windows and doors gt Call a trained and certified installer or service company Risk of fire from soldering and welding When soldering and brazing around combustible and flammable material gt Take appropriate protective measures Buderus 2 Logano G234X 6 720 811 235 2014 05 If you smell gas gt Turn off the gas shutoff valve Open windows and doors Do not operate any electrical switches or telephones Do not use any sockets Extinguish all open flames No smoking Do not use lighters Warn all occupants of the building that they need to leave the building Do not ring doorbells From outside the building Notify the police and fire department gt From outside the building Call the gas supply company and a trained and certified installer or service company v v v v v v v v v Danger of escaping flue gases gt Ensure that the boiler is not be fitted with a barometric damper or a thermally controlled vent damper downstream of the flue connector gt Donot tamper with remove or attempt to repair the flue gas shutoff switch gt When replacing the flue gas shutoff switch install the new part in the original location
4. The use of parts not supplied by the manufacturer may cause damage to the boiler other property and personal injury Also boiler damage caused by the use of unauthorized parts is not covered by the warranty gt Withsealed combustion appliances do not cover or reduce the size of ventilation openings in doors windows and walls gt Ifdraft proof windows are installed ensure an adequate supply of combustion air Notice regarding regulations and legal requirements gt The installation must comply with all applicable national state and local codes rules and regulations gt The operator is responsible for the operational safety and regulatory compliance of the heating system gt Inthe Commonwealth of Massachusetts the appliance must be installed by a licensed plumber or gas fitter Instructing the owner operator gt The installer must instruct the owner and operator on the functionality of the components and the proper operation of the boiler and the heating system gt Upon completion of the installation these instructions should be handed to the owner and operator of the appliance gt Inform the owner operator that they must never carry out any modifications or repairs Buderus Logano G234X 6 720 811 235 2014 05 3 prez Product Information 2 Product Information These instructions provide the operator of the heating system with an overview of the use and operation of the boiler The Logano G23
5. optimal recycling All packaging materials used are environmentally friendly and recyclable Old appliances Old appliances contain materials that must be recycled The relevant assemblies are easy to separate and all plastics are identified This allows the various components to be sorted for appropriate recycling or disposal 8 Logano G234X 6 720 811 235 2014 05 Notes Buderus Logano G234X 6 720 811 235 2014 05 9 Notes Buderus 10 Logano G234X 6 720 811 235 2014 05 Notes Buderus Logano G234X 6 720 811 235 2014 05 11 United States and Canada Bosch Thermotechnology Corp 50 Wentworth Avenue Londonderry NH 03053 Tel 603 552 1100 Fax 603 965 7581 www buderus us U S A Products manufactured by Bosch Thermotechnik GmbH Sophienstrasse 30 32 D 35576 Wetzlar www buderus com Bosch Thermotechnology Corp reserves the right to make changes without notice due to continuing engineering and technological advances Buderus
6. place in the installation room and creating a lot of dust Shut the boiler down and cover it as necessary A burner that has been fouled by construction work must be cleaned before being commissioned Boiler Room Guidelines Shutdown Es 4 Shutdown 4 1 Normal shutdown of the heating system Place the ON OFF switch in the OFF position gt Fig 8 This shuts off power to the boiler and all of its components e g burner temperature controller 6 720 806 028 19 1T Fig 8 ON OFF switch OFF position gt Turn the gas valve ON OFF knob clockwise to the OFF position gt Fig 3 page 5 gt Shut off the fuel supply at the main fuel shutoff valve For further shutdown procedure gt Documents for the AquaSmart 4 2 Shutting down the heating system for an extended period NOTICE Risk of system damage due to freezing The heating system can freeze up if it does not operate for an extended period of time and is exposed to temperatures below freezing e g during a power failure if the power has been switched off through lack of gas supply boiler fault Protect the heating system against frost when temperatures below freezing are expected With the control unit switched OFF drain the water from the boiler the DHW tank and the pipework of the heating system and as far as possible from the DHW pipework NOTICE Risk of system damage from water Inthe event of sev
7. purging and show you where the boiler fill and drain valve is located CAUTION Risk of system damage from the stress cracks If you fill the heating system when it is hot the resulting temperature stress can cause stress cracks The boiler will then leak gt Only top off the heating system when it is below a supply temperature of 100 F 38 C NOTICE Risk of system damage due to frequent topping off Depending on the water quality the heating system may be damaged by corrosion or scaling if you frequently top up the boiler water gt Aska certified heating contractor if the local water can be used untreated or whether it needs to be treated If the boiler water must be treated Haveacertified heating contractor top up the heating system If the boiler water must be topped up frequently gt Notify a certified heating contractor gt Connect the hose to the water tap Fill the hose with water Push water filled hose onto the hose connector of the boiler fill and drain valve Secure hose with a hose clamp Open the fill and drain valve gt Carefully open the water tap and slowly fill the heating system Observe the pressure reading on the pressure temperature gauge gt Fig 6 Once the required operating pressure has been achieved Close the water valve and the fill amp drain valve Bleed the heating system via the purge valves at the radiators For this start with t
8. the operating pressure topping up could result in death or serious injury the boiler water and purging air from the system 6 DANGER indicates that severe personal injury or death may occur 3 3 1 Checking heating system operating pressure 6 insita ti 3 3 2 Topping up the heating water and bleeding ai lara aaa IA oi eret ee E E A 6 This symbol indicates important information where 3 4 OperatingtiPS 7 li there is no risk to people or property 4 Shutdown ee 7 Additional symbols 4 1 Normal shutdown of the heating system 7 4 2 Shutting down the heating system Symbol Function for an extended period 7 gt Sequence of steps 4 3 Shutting down the heating system in emergencies 7 gt Cross reference to another part of the document Listing list entry gt Listing list entry 2nd level 5 Inspection and maintenance 8 5 1 General information 8 Table 1 Symbols 5 2 Why is regular maintenance important 8 12 Safety instructions 5 3 Cleaning and care 8 Risk of fatal injury from failing to consider your own safety gt Never risk your own life Your own safety is paramount 6 Environmental Protection Disposal 8 If you hear gas leaking gt Leave the building immediately Prevent others from entering the building gt
9. 4X floor standing gas boiler is generally referred to below as a boiler 2 1 Designated use The boiler is designed for heating central heating system water and indirect provision of domestic hot water e g in a hot water storage tank in residential buildings or apartment buildings Any other purpose is considered improper use 2 2 Product Description The boiler is a low temperature gas boiler with an atmospheric gas burner 3 Start up procedure Before commissioning read the Safety instructions in chapter 1 2 on page 2 for your own safety Before commissioning gt Ask your heating contractor to provide information about how the boiler works and is operated DANGER Risk of fatal injury from failure to observe the commissioning instructions and subsequent incorrect operation gt Failure to observe the instructions poses the risk of fire or explosion The floor standing boiler is fully functional with the li factory installed AquaSmart NOTICE System damage due to incorrect operation This appliance is fitted with an ignition module that automatically starts the pilot burner gt Do not light the ignition flame manually The boiler consists of the following main components gt Fig 1 Ignition module and adjustable boiler temperature controller Boiler jacket and front cover Boiler block with insulation Burners The ignition module and adjustable boiler temperature controller m
10. GITDTT pa 6 720 806 028 08 1T Fig 2 Installing removing the front wall of the boiler 1 Frontwall of boiler 2 Locking screws Switching on the gas valve gt Turn the gas valve ON OFF knob gt Fig 3 1 clockwise to the OFF position Do not use excessive force 6 720 810 545 01 1T Fig 3 Gas valve OFF position 1 ON OFF knob gt Wait five 5 minutes until all residual gas has dissipated gt Finally check whether there is any smell of gas including at floor level If there is a gas odor gt STOP Follow the safety instructions for Risk of explosion from escaping gas gt page 2 If you do not smell gas gt Continued to the next step gt Turn gas valve ON OFF knob 1 counterclockwise to the ON position Do not use excessive force 6 720 810 545 02 1T Fig 4 Gas valve ON position 1 ON OFF knob gt Replace front wall of boiler gt Fig 2 page 5 gt Open gas shutoff valve Turn on electric power to heating system Set thermostat to desired room temperature If the heating system does not start to operate gt Turn off the gas supply gt chapter 3 2 page 5 gt After that inform a customer service technician or the gas utility company 3 2 Turn off the gas supply Set the room thermostats to the lowest setting Shut off the heating system from the power supply 6 720 806 028 19 1T Fig
11. Gas central heating boilers 6720 806 028 00 1T ARA CERTIFIED www ahridirector y or User manual Logano G234X Gas central heating boilers ep to es n gt LO sel N 4 ad oe N N Please read carefully before use B u d erus gt Content Content 1 Safety instructions 1 1 Key to symbols 1 Safety instructions 2 Warnings 1 1 Keyto Symbols ciate dient ies en a 2 1 2 Safety instructions 2 Warnings in this document are identified by a warning triangle printed against a grey background Keywords at the start of a warning indicate 2 Productinformation 4 the type and seriousness of the ensuing risk 2 1 Designated use 4 if measures to prevent the risk are not taken 22 Product Description 4 The following keywords are defined and can be used in this document NOTICE is used to address practices not related to personal injury 3 Start up procedure 4 CAUTION indicates a hazardous situation which if not avoided 3 1 Turning on heating system 4 could result in minor to moderate injury 3 2 Turnoffthegassupply 5 WARNING indicates a hazardous situation which if not avoided 3 3 Checking
12. c shock when the boiler is open Before opening the boiler gt Isolate the heating system from the electrical power supply via the ON OFF switch or the corresponding building fuse Itis not sufficient just to switch off the controller Power to the panel must be disconnected gt Take measures to ensure that the heating system cannot be accidentally reactivated gt Electrical work may be carried out only by qualified and certified electricians Danger due to short circuits To prevent short circuits gt Use only genuine wiring spare parts from the manufacturer gt Do not attempt to operate an appliance if any part of it has been under water gt Replace any appliance that has been under water Risk of system damage due to contaminated combustion air supply Keep the combustion air free of corrosive substances e g halogenated hydrocarbons from painting operations or beauty salons gt Keep combustion air free from dust and lint e g from nearby laundry or agricultural operations gt fclean room air is not available fresh outdoor combustion air must be provided System damage due to improper operation Use the boiler only for its intended purpose gt Operate the boiler only ifit has been installed and maintained per the instructions provided in the Installation Manual gt Do not attempt to operate an appliance if any part of it is not in working order or is damaged gt Use only original spare parts
13. eating system checked for correct operation Have any faults corrected immediately in order to prevent damage to the system gt We recommend that you sign a contract with a certified heating contractor for an annual inspection and maintenance on an as required basis An annual inspection and service are required and are part of the warranty conditions 5 2 Why is regular maintenance important Heating systems must be serviced regularly for the following reasons To maintain high efficiency operation and to operate the heating system economically low fuel consumption Toachieve a high level of operational safety To maintain the cleanest possible combustion 5 3 Cleaning and care To clean the boiler Clean the jacket with a damp cloth soapy solution Never use scouring or aggressive cleaning agents that would damage the painted surface or plastic components Buderus 6 Environmental Protection Disposal Environmental protection is one of the fundamental company policies of the Bosch Group Quality of products efficiency and environmental protection are equally important objectives for us Environmental protection laws and regulations are strictly observed To protect the environment we use the best possible technology and materials taking into account economic points of view Packaging method For the packaging we participate in the country specific recycling systems which guarantees
14. ere risk of flooding disconnect the boiler from its power supply and shut off the fuel supply before water enters the boiler room gt Allparts that have been in contact with water must be replaced by a trained and certified installer If the boiler is taken out of use for a longer period and there is a risk of frost gt Drain the heating system completely Open the automatic air vent at the highest point in the heating system gt Drain the heating water at the lowest point of the heating system by means of the fill and drain valve or a radiator 4 3 Shutting down the heating system in emergencies gt Have a heating contractor explain what to do in an emergency e g a fire Switch OFF the heating system via the emergency shutoff switch or the building circuit breaker fuse only in emergencies gt Never put yourself at risk of fatal injury Your own safety is paramount Close the main shutoff valve or gas shutoff valve gt Isolate the heating system from the electrical power supply via the emergency shutoff switch or the corresponding building fuse Buderus Logano G234X 6 720 811 235 2014 05 7 su Inspection and maintenance 5 Inspection and maintenance 5 1 General information NOTICE Risk of damage to system due to lack of or inadeguate cleaning and maintenance Haveacertified heating contractor service and clean the heating system once a year Have the complete h
15. he lowest floor of the building v v 6 720 614 084 49 1R Ifthe operating pressure has dropped as a result of bleeding the system Add water to the system Fig 7 Bleeding a radiator gt Tighten the air purge screw again Check the operating pressure again Once the operating pressure remains stable Remove the hose from the drain amp fill valve 6 Logano G234X 6 720 811 235 2014 05 3 4 Operating tips The right fuel To ensure proper operation the heating system reguires fuel of the correct type and grade NOTICE Risk of system damage from use of incorrect fuel Use only the fuel specified The correct fuel is entered in Tab 3 by the heating contractor If the boiler is to be converted to a different fuel type or other fuel Consulta certified heating contractor Only use this fuel type Stamp Date Signature Table 3 Fuel to be used entered by heating system installer Quality of the combustion air gt Keep the supply of combustion air free of corrosive substances e g halogenated hydrocarbons that contain chlorine or fluorine compounds This prevents corrosion gt Donot use or store any chlorine containing cleaning agents or halogenated hydrocarbons in the boiler room e g in spray cans solvents and cleansers paints adhesives Keep the combustion air supply free of dust If construction work is taking
16. onitor and control all electrical and operational components of the boiler The boiler jacket prevents energy loss and acts as soundproofing The boiler block transfers the heat generated by the burner to the boiler water The insulation reduces energy loss 3 1 Turning on heating system STOP First read the safety instructions in chapter 1 2 on page 2 gt Set the room thermostats to the lowest setting gt Shut off the heating system from the power supply gt Turn off the gas shutoff valve A NN 6 720 806 028 01 1T DANGER Risk to life from fire or explosion Any attempt to use force or to repair the gas shutoff N valve may cause a fire or explosion Switch on the ON OFF switch on the gas valve by hand only gt Never use a tool as assistance gt If you cannot actuate the ON OFF switch on the gas valve by hand do not attempt to repair it gt Contact a trained and certified installer Fig 1 Pain components G234X 1 AquaSmart 2 Ignition Control 3 Boiler block with insulation 4 Boilerjacket 5 Burners 6 Front wall of boiler Buderus Removing the front wall of the boiler gt Unscrew the locking screws gt Fig 2 2 at the bottom of the front cover 1 lift front cover up pull outward and remove to the front 4 Logano G234X 6 720 811 235 2014 05 Start up procedure sa o AREA GYGZGZGZ ARAS
17. tantial amount of volume in the first few days due to the release of its gas content This causes air pockets to form and the heating water starts to make noises During the first few days after commissioning Check the operating pressure daily Topup the boiler water as necessary Then bleed the boiler and the radiators gt Afterwards check the operating pressure monthly Top up the boiler water as necessary bleed the boiler and radiators After an extended period following commissioning Check the operating pressure monthly Topup the boiler water as necessary Then bleed the boiler and the radiators 3 3 1 Checking heating system operating pressure Your heating contractor will have set the system to the required operating pressure of gt 15 psi gt 1 bar and entered the setting in Tab 2 Read the current operating pressure from the temperature pressure gauge If the operating pressure displayed is lower than the required operating pressure of gt 15 psi gt 1 bar Topup the boiler water 7 747 010 720 24 2RS Fig 6 Pressure temperature gauge Operating pressure Design operating pressure optimum setting psi Maximum heating system operating pressure standard 30 psi 2 bar psi Table 2 Operating pressure entered by heating contractor Buderus 3 3 2 Topping up the heating water and bleeding the system gt Have your heating contractor explain the
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