Bosch Uni Condens 8000 F Скачать руководство пользователя

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Bosch Thermotechnik GmbH
Junkersstrasse 20-24
D-73249 Wernau

www.bosch-thermotechnology.com

Содержание Uni Condens 8000 F

Страница 1: ...6720867056 2016 10 GB Installation and maintenance instructions for the contractor Floor standing condensing boiler Uni Condens 8000 F UC8000F 800 1200 kW ...

Страница 2: ...ling the boiler and checking connections for leaks 19 6 9 Opening and reversing the burner door 20 6 9 1 Opening and closing the burner door 20 6 9 2 Refitting the door hinges 20 6 10 Fitting the burner accessory 21 6 10 1 Fitting the burner plate 21 6 10 2 Fitting the burner to the burner plate 22 6 11 Attaching the data plate 23 6 12 Fitting and removing the front cover 23 6 13 Fitting the contr...

Страница 3: ...re installation Observe safety instructions and warnings Observe national and regional regulations technical rules and guidelines Keep a record of all work carried out 10 4 Check and correct the operating pressure 37 10 4 1 When should you check the operating pressure in the heating system 37 10 4 2 Sealed unvented systems 37 10 4 3 Installations with automatic pressurisation units 38 10 5 Take wa...

Страница 4: ...ck Electrical work must only be carried out by a qualified electrician Beforecarryingoutanyworkontheheatingsystem disconnect the heating system from the power supply across all poles for example press the heating system emergency stop switch outside the boiler room It is not enough to switch off at the control unit Secure the heating system against unintentional reconnection Observe the country sp...

Страница 5: ... The design and operation of this product comply with European Directives and the supplementary national requirements Conformity has been demonstrated by the CE marking You can ask for a copy of the declaration of conformity for this product For this see the contact address on the back cover of these instructions 2 2 Determined use The product may only be used for the heating of central heating wa...

Страница 6: ...er located at the top and a condensation heating surface located at the bottom With the Uni Condens 8000 F 800 1200 floor standing condensing boilers all parts that come into contact with products of combustion or condensate are made from high grade stainless steel This makes operation possible without limitations on the flow and return temperature the flow rate or the burner low load TheUniConden...

Страница 7: ...frame rail 8 Control unit accessory 9 Cable conduit 10 Flue gas connection 11 Inspection aperture of condensation heating surface 12 Port Return 1 RK1 low temperature return main return 13 Return connection 2 RK2 high temperature return 14 Inspection opening on the water side both sides 15 Flow safety line 16 Heating flow 17 Boiler safety assembly accessories 18 Lifting points 0010014756 001 5 6 1...

Страница 8: ...ame1 HGR mm 140 140 140 Installation clearance control unit cable conduit LRG mm 906 906 906 Installation height control unit right left HRG mm 1300 1300 1300 Installation surface base frame LGR mm 2060 2060 2060 BGR mm 960 1040 1040 Flue gas outlet Ø DAAinside mm 253 303 303 HAA mm 1064 1193 1193 A4 mm 299 348 348 Combustion chamber Length mm 1904 1954 1954 Ø internal mm 630 688 688 Burner door L...

Страница 9: ...essure bar Dependent on boiler size Maximum number of burner starts per annum 15 000 Operation conditions Uni Condens 8000 F 800 1200 with modulating operation Uni Condens 8000 F 800 1200 with constant boiler temperature Volumetric flow rate None In conjunction with a CFB CC control unit for modulating operation CFB 840 CFB 810 CFB 830 or CC 8311 CC 8312 None In conjunction with a CFB CC control u...

Страница 10: ...extra light fuel oil with a sulphur content 50 ppm and a proportion of bio oil FAME 10 Existingresidualamountsoffueloilwithasulphurcontent 50 ppm must be pumped out and the oil tank cleaned Type tested dual burners can also be used The requirements for the gas side and the oil side described above also apply here All products subsequently described apply equally for the gas side and oil side 2 12 ...

Страница 11: ... tow ropes 5 Contact points for lifting with a trolley jack 6 Base frame rail 7 Contact points for lifting with a forklift truck 3 1 2 Moving the boiler with a forklift truck DANGER Danger to life through falling load Distribute the boiler weight evenly across the forklift truck pallet truck when lifting and moving the boiler Observetheweightoftheboilerandthemaximumshippingweightof the means of tr...

Страница 12: ...ng load Distributetheboilerweightevenlyacrosstheheavydutyrollerswhen lifting and moving the boiler Observetheweightoftheboilerandthemaximumshippingweightof the means of transport When transporting secure the boiler to prevent it falling Position a heavy duty roller at each corner 3 1 5 Removing the base frame The transport height can be reduced by removing the base frame rails fig 7 1 page 12 with...

Страница 13: ...g gas condensing boilers Usespecifiedpressure jetburnersordualfuelburnersforfloorstanding gas oil condensing boilers The boiler must be equipped with a burner that is suitable for the boiler NOTICE System damage through the use of an incorrect burner Only use burners that meet the technical requirements of the boiler chapter 14 1 page 41 Any pressure jet gas burner type tested to EN 676 can be use...

Страница 14: ...6 Water quality of the heating water Thequalityofthefillandtop upwaterisanessentialfactorforincreased efficiency functional reliability long service life and for maintaining the operational readiness of a heating system If the system is filled with waterthathasahighcalciumhardness thiswillbedepositedontheheat exchanger surfaces and will restrict the transfer of heat to the heating water As a resul...

Страница 15: ... the flow rate in the boiler to a temperature difference of at least 7 K If the system is equipped with a dirt separator it is not necessary to restrict the temperature difference Size the pump correctly High flow rates and oversized pumps can result in the accumulation of sludge or deposits on the heat exchanger surfaces Before connecting the boiler flush sludge and dirt out of the heating system...

Страница 16: ...or installation surface fig 9 page 16 and tab 11 page 16 The surface on which the boiler is to be positioned must be of load bearing capacity even and level The front edge of the boiler should be flush with the edge of the plinth The burner door can be fitted to open from right to left or vice versa chapter 6 9 1 page 20 Allow extra space if a flue gas silencer or control unit are to be installed ...

Страница 17: ...l requirements of the flue system DANGER Danger to life through poisoning Insufficient ventilation can lead to dangerous flue gas leaks Never close off or reduce the size of the supply and extract air apertures Never operate the boiler unless faults are rectified immediately Inform the operator in writing of any faults and their associated risks Implementing the following recommendations concernin...

Страница 18: ...itted burner through heat build up Toavoidproblemswithcombustion startbehaviour thepressureat the flue gas connector of the boiler must not exceed a negative pressure of 15 Pa Fittings in the flues e g secondary air devices may need to be provided Multiple assignment Several items of combustion equipment may only be connected to a commonfluesystem chimney flue iftheyaresuitablydesignedforthis mode...

Страница 19: ...hon and flue gas connections are sealed Ensure that the sealing washer with gasket is seated in the cap NOTICE System damage through condensate Ensure that the condensate pipes and condensate neutraliser are working Installing the siphon Fit the siphon provided to the condensate pipe fig 1 5 page 7 Install connection elbow with slight slope If the siphon cannot be installed vertically Tilt the sip...

Страница 20: ...ly by carrying out a tightness test e g chalk Fit the 4 screws in the burner door with washers Tighten the screws diagonally with a torque of 40 Nm 6 9 2 Refitting the door hinges WARNING Risk of injury from falling parts Whilethedoorhingesarebeingrefitted thereisariskoftheburnerdoor falling Refit the door hinges before mounting the burner Ensure that the burner door is closed and secured with the...

Страница 21: ...lower door stay at the front of the slot The burner door is hanging straight in the hinge 6 10 Fitting the burner accessory NOTICE System damage through the use of an incorrect burner Only use burners which meet the technical boiler requirements 6 10 1 Fitting the burner plate Predrilled and undrilled burner plates are available from the manufacturer accessories The installation method depends on ...

Страница 22: ...erture can be increased to a maximum of 360 mm If the hole in the thermal insulation of the burner door is increased the insulating rings supplied will no longer fit fig 18 4 page 22 If the diameter of the blast tube is greater than 360 mm speak to your supplier Iftheblasttubeisnotlongenoughtoreachtheinneredgeofthe thermal insulation a 45 chamfer can be applied to the thermal insulation To mount t...

Страница 23: ...he boiler casing Hookupperrightfrontcover 2 intotheholdersontheboilercasing Hook upper left front cover 1 into the holders on the boiler casing Fig 20 Fitting the front cover 1 Upper l h front cover 2 Upper r h front cover 3 Lower front cover To remove the front covers proceed in reverse order 6 13 Fitting the control unit support and cable conduit For on site cables Install separate cable holder ...

Страница 24: ... temperature sensor set in the test point with a sensor retainer 3 fig 22 page 24 The plastic coil 2 for keeping the temperature sensors together is pushed back automatically when it is inserted fig 22 page 24 Insert compensating spring 1 between the temperature sensors to ensure a good contact between sensor pocket 4 and sensor surfaces and thereby a reliable temperature transfer fig 22 page 24 F...

Страница 25: ...Select and adjust the control unit so as to allow a gentle start up of the boiler with a time delay when the system is cold The heat energy demand must only be switched on with time delay After the burner demand an automatic timer for example should limit the burner to low load for a period of approx 150 seconds A restricted heat demand will prevent uncontrolled starting and stopping of the burner...

Страница 26: ...he front boiler cover control unit holder 4 Locking tabs 5 Oval holes in front boiler cover 6 Cable feed in the front boiler cover 7 Holes for self tapping screws Fig 25 Fitting the control unit 7 2 2 Electrical connection of the control unit If necessary make knock outs 1 in the rear panel of the cable duct or remove the rear panel section 2 Fig 26 Preparing the cable entry 1 Knock outs 2 Back pa...

Страница 27: ...2 Select the maximum boiler water temperature at the MEC2 3 Themaximumtemperaturedemandisnotavaluethatissetdirectly The maximum temperature demand is composed of the set temperature and the rise Example DHW demand Sum of the set DHW temperature 60 C and the parameter return temperature increase 20 C in the DHW menu 60 C 20 C maximum temperature demand 80 C Example heating circuits Sum of the set t...

Страница 28: ...oiler side When using the side mounted control unit holder Observe the attached installation instructions 7 3 1 Fitting the control unit In fig 29 page 28 the control unit is shown from the front Undo both screws in the cover hood Lift off the cover hood Separate the back panel from the base of the housing Fitthebaseofthecasingatthefrontbyinsertingthelockingtabsinto the oval holes 4 in the front b...

Страница 29: ...nit Fig 31 Securing a cable with a cable clip Offer up the back panel 4 to the lower housing 3 of the control unit and snap into place Fig 32 Installation on boiler fit back panel and snap into place 7 3 2 Electrical connection of the control unit To avoid impaired performance of the control unit due to heat Only knock out as many openings as are required Make knock outs fig 33 1 page 29 in the ba...

Страница 30: ...g 4 Rear panel Maketheplug inconnectioninthecontrolunitinaccordancewiththe labelling on the terminal strip Connect the burner cable to the control unit in accordance with the labelling on the plug in strip Makeallelectricalconnectionstotheappropriateplug inconnectors according to the wiring diagram If available connect communication ports of the user interface Set the control unit address Fig 35 S...

Страница 31: ...from the CC 8000 series is used burner modulation in standard mode is not enabled for 2 5 minutes Regulator settings Table 14 Adjustable parameters for CC 8311 and CC 8312 0010011784 001 1 3 Adjustable parameter max temperature CC 8311 8312 CC 8311 8312 High limit safety cut out STB 1 1 Set the high limit safety cut out as high as possible 99 C 110 C at least 5 K Max boiler water temperature 94 C ...

Страница 32: ...es and avoid rapid temperature changes in the boiler Gentle temperaturechangesresultinalongerservicelifeoftheheatingsystem Thecontrolstrategyofthecontrolunitmustthereforebepreventedfrom becoming ineffective i e through the boiler temperature controller switching the burner on and off Observe the following points when selecting the control unit The control unit must ensure that the maximum internal...

Страница 33: ...g supplied chapter 4 6 page 14 The pH value of the heating water increases after the heating system has been filled During initial maintenance after three to six months check whether the pH value of the heating water has settled down Adjust the pre charge pressure of the expansion vessel to the required pressure only for sealed unvented systems Open the mixing and shut off valve on the hot water s...

Страница 34: ...ontrol unit control unit series CFB 800 CFB 900 chapter 7 2 4 page 28 controlunitseriesCC 8000 chapter 7 3 4 page 32 Complete the commissioning report in the technical documentation of the boiler the control and burner 9 Shutdown NOTICE Risk of damage to the system from frost When there is a frost the heating system can freeze up if it is not operational e g switched off mains failure or fault shu...

Страница 35: ... chapter 10 3 5 page 36 Check the flue gas collector and condensate pipe and clean via the inspection aperture if required 10 3 2 Cleaning the boiler with cleaning brushes WARNING Risk of system damage from using incorrect cleaning equipment If cleaning with a brush use only genuine cleaning brushes from the manufacturer When cleaning only use brushes made of nylon or of stainless steel with a sta...

Страница 36: ...ge and replace if required Position the flue gas collector cover Tighten the nuts with a torque of 15 Nm Fit the reversing chamber cover and secure tightly with a torque of 25 Nm Secure lagging mat Mount the burner Mount the front cover Restart the heating system 10 3 6 Wet cleaning the boiler NOTICE System damage through moisture in the control unit If moisture enters the control unit it will be ...

Страница 37: ... check the operating pressure of the heating water daily and then in ever increasing intervals Once the heating system is hardly losing any volume Check the operating pressure of the heating water once a month A distinction is made between open and closed systems In practice open vented systems are rarely installed nowadays We will therefore be using a closed heating system to demonstrate how you ...

Страница 38: ... at the highest point in the heating system open NOTICE System damage from pressing the reset button too frequently This can damage the burner ignition transformer Press the reset button no more than three times in sequence The display shows a fault in the heating system Further information on the fault displays can be found in the service instructions of the relevant controlunit Inaddition burner...

Страница 39: ...13 Drain fill valve DFV 14 Safety pipe 15 Shut off valve protected against unintentional closure e g by sealed cap valve 16 Drain upstream of the expansion vessel 17 Expansion vessel EN 13831 18 Filling facility 19 Suitable device for separate heating from potable water system 20 Boiler safety assembly drain valve manostat bar The figures provide a schematic representation of the safety equipment ...

Страница 40: ...ththesensorsetinthedesignated socket branch with a sensor pocket The installation situation for other appliances is yet to be established The sensor pocket is screwed in ex works 13 3 3 Maximum pressure limiter requirements Devices which are suitable for responding under increasing pressure must be installed e g type tested devices with the TÜV SDB S ID Observe information in chapter 8 4 1 page 33...

Страница 41: ...t burner output Qn Hi Full load max kW 742 928 1114 Partial load 30 kW 223 278 334 Available draught Pa Subject to burner 50 3 3 Value in brackets is the recommended draught Subject to burner 50 3 Subject to burner 50 3 Resistance of products of combustion mbar 6 4 6 5 7 5 Unit Boiler type 800 1000 1200 Values at system temperature 50 30 C Rated output gas Full load kW 800 1000 1200 Partial load 3...

Страница 42: ...apter 8 1 page 33 2 Fill the heating system with water Chapter 8 3 page 33 3 Vent heating system 4 Carry out tightness test Chapter 8 2 page 33 5 Switch on the control unit Boiler specific parameters set and recorded Chapter 7 page 25 6 Ensure the function of all safety equipment 7 Check combustion air vents Chapter 4 1 page 13 8 Check the fuel line for tightness 9 Starting the burner See technica...

Страница 43: ...ue gas collector to the specified torque and check tightness chapter 10 3 5 page 36 6 Check and clean the burner Visual inspection and remove any contamination Check all safety equipment safety shutdown Function check Flue gas analysis with test report for each output stage See technical documentation for burner 7 Check that the flue is functioning safely See technical documentation for burner 8 C...

Страница 44: ...flue gas collector chapter 10 3 4 page 36 Tighten screw connections at the reversing chamber and flue gas collector to the specified torque and check tightness chapter 10 3 5 page 36 5 Check that the condensate pipe is clean and filled with a water seal 6 Check the neutralising system See technical documents of the condensate neutraliser 7 Bring the heating system into operation Chapter 8 5 page 3...

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Страница 48: ...Bosch Thermotechnik GmbH Junkersstrasse 20 24 D 73249 Wernau www bosch thermotechnology com ...

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