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Fig. 23

Checking the static pressure and supply pressure

Danger

CO formation as a result of incorrect burner
adjustment can have serious health implications.
Always carry out a CO test before and after
work on gas appliances.

Note
Operation with LPG:
Purge the LPG tank twice on commissioning/replace-
ment. Vent the tank and gas connection line thoroughly
after purging.

Commissioning, inspection, maintenance

Removing the front panel

(cont.)

6179762

Содержание 47-819-55

Страница 1: ...A 3 2 to 25 kW Wall mounted gas condensing boiler Natural gas and LPG version Type B0KA M for multiple connection 7 0 to 25 kW Wall mounted gas condensing boiler Natural gas and LPG version Gas Council No B0KA 47 819 55 47 819 57 B0KA M 47 819 56 VITODENS 050 W 6179762 GB 10 2022 Please keep safe ...

Страница 2: ...e system installer or a qualified per son authorised by the installer Regulations to be observed National installation regulations Statutory regulations for the prevention of accidents Statutory regulations for environmental protection Codes of practice of the relevant trade associations Relevant country specific safety regu lations Safety instructions for working on the system Working on the syst...

Страница 3: ...ease note Repairing components that fulfil a safety function can compromise the safe operation of the system Replace faulty components only with genuine Viessmann spare parts Auxiliary components spare and wearing parts Please note Spare and wearing parts that have not been tested together with the system can compromise its func tion Installing non authorised com ponents and making non approved mo...

Страница 4: ...m the appli ance there is a risk of scalding Never touch hot heating water Condensate Danger Contact with condensate can be harmful to health Never let condensate touch your skin or eyes and do not swallow it Flue systems and combustion air Ensure that flue systems are clear and cannot be sealed for instance due to accumulation of condensate or other external causes Ensure an adequate supply of co...

Страница 5: ...nces that extract air to the outside can result in life threatening poisoning due to reverse flow of the flue gas Fit an interlock circuit or take suita ble steps to ensure an adequate supply of combustion air Safety instructions Safety instructions cont 6179762 ...

Страница 6: ...HBMU heat management unit 25 Outside temperature sensor 25 Connecting the cylinder temperature sensor 25 Power supply 26 Routing connecting cables leads 26 Closing the wiring chamber 27 Mounting the front panel 27 4 Commissioning inspec tion maintenance Steps commissioning inspection and maintenance 28 5 System configuration parameters Calling up parameters 51 Parameters 51 Energy saving functions...

Страница 7: ...xternal heating circuit hook up if installed 84 9 Connection and wiring dia gram HBMU heat management unit 85 HBMU heat management unit 87 10 Commissioning service reports 89 11 Specification Gas condensing system boiler 90 Gas condensing combi boiler 93 Electronic combustion control unit 96 12 Disposal Final decommissioning and disposal 97 13 Certificates Declaration of conformity 98 14 Keyword i...

Страница 8: ...on Component must audibly click into place or Acoustic signal Fit new component or In conjunction with a tool Clean the sur face Dispose of component correctly Dispose of component at a suitable collec tion point Do not dispose of component in domestic waste The steps in connection with commissioning inspec tion and maintenance are found in the Commission ing inspection and maintenance section and...

Страница 9: ...rculation pump Type BPKA B0KA Plate heat exchanger for DHW heating Weather compensated or constant temperature con trol unit Integral diaphragm expansion vessel 8 l capacity The selected gas category in the delivered condition and the associated nominal gas pressure are given on the boiler type plate The type plate also shows the other gas types and pressures with which the boiler can be operated ...

Страница 10: ...system Detailed information regarding system examples www viessmann schemes com Maintenance parts and spare parts Maintenance parts and spare parts can be identified and ordered directly online Viessmann Partnershop Login https shop viessmann com Viessmann spare part app www viessmann com etapp Information System examples 6179762 Information ...

Страница 11: ...gas condensing combi boiler A Condensate drain B Heating flow C DHW gas condensing combi boiler Cylinder flow gas condensing system boiler D Gas connection E Cold water gas condensing combi boiler Cylinder return gas condensing system boiler F Heating return Preparing for installation Preparing for installation 6179762 Installation ...

Страница 12: ...Prepare the gas connection according to TRGI or TRF or local regulations 4 Prepare the electrical connections The appliance is delivered fitted with a power cable approx 2 m long Note Connect the power cable to the electricity supply using a fixed connection Power supply 230 V 50 Hz fuse rating max 16 A Accessory cables 0 75 mm2 flexible PVC cable with required number of cores for external con nec...

Страница 13: ...r fixtures These weaken the wireless signal causing poor reception due to the fol lowing circumstances On their way between transmitter and receiver wire less signals are damped e g by air or when pene trating walls Wireless signals are reflected by metallic objects e g reinforcements embedded in walls metal foil of thermal insulation and thermal glazing with metal lised thermal vapour deposit Wir...

Страница 14: ...14 Ideal angle of penetration C A B Fig 5 A WiFi router B Heat generator C Wall Preparing for installation Preparing for installation cont 6179762 Installation ...

Страница 15: ...15 1 4 5 3 2 Fig 6 Installation sequence Removing the boiler from the packaging 6179762 Installation ...

Страница 16: ...panel forwards slightly and lift away upwards Mounting the boiler on the pre plumbing jig or mounting frame Note Various installation components can be found in a sep arate pack Keep the installation components safe as they will be required for later installation Installation sequence Mounting the boiler and making connections 6179762 Installation ...

Страница 17: ...frame Plumbing wall mounting frame 1 Replace gaskets Internal gasket diameter Gas connection Ø 18 5 mm Connections on the heating water side Ø 17 0 mm Note Gasket for gas connection is attached to the gas shut off valve 2 Suspend the Vitodens from the wall mounting bracket After mounting check for correct positioning Installation sequence Mounting the boiler and making connections cont 6179762 Ins...

Страница 18: ...s tightness to BSI 6891 Torque settings Union nuts G 30 Nm Union nuts G 24 Nm When carrying out any work on gas connection fit tings hold with a suitable tool Never transfer any forces to the internal components 5 Tighten locking ring fittings so that they form a tight seal 1 turn beyond finger tight Fitting the boiler to the wall mounting bracket Note Various installation components can be found ...

Страница 19: ... side Ø 17 0 mm Note Gasket for gas connection is attached to the gas shut off valve 2 Suspend the Vitodens from the wall mounting bracket 3 Note Only remove the locking clip under the gas pipe union nut once the appliance has been installed Clip is no longer required Installation sequence Mounting the boiler and making connections cont 6179762 Installation ...

Страница 20: ...low R male thread B Cylinder flow G male thread C Gas connection R male thread D Cylinder return G male thread E Heating return R male thread F Filling draining Connection on the heating water side of the DHW cylinder The required intermediate pieces Rp female thread on the cylinder flow and return are part of the connection set for the DHW cylinder If no DHW cylinder is being connected seal off t...

Страница 21: ...sible Please note The drain hose is used to route away any hot water discharged from the safety valve Lay and secure the drain hose in a way that prevents any risk of scalding Note Observe local waste water regulations Filling the trap with water Fig 13 Pour at least 0 3 l of water into the flue gas connection Please note During commissioning flue gas may escape from the condensate drain Always fi...

Страница 22: ...ly must be installed in the flue system above the boiler flue connection Commissioning should be carried out only once the following conditions have been met Unrestricted flow along the flue gas routes Positive pressure flue system is gas tight Inspection port covers checked for secure and tight seating Apertures for supplying sufficient combustion air are open and cannot be closed All current reg...

Страница 23: ...essure 150 mbar 15 kPa If a higher pressure is required for leak detec tion disconnect the boiler and the gas sole noid valve from the main supply pipe undo the fitting 3 Purge the gas line Note Operation with LPG Install an external safety solenoid valve if the boiler is installed below ground level An EM EA1 extension accessories is required to connect the safety sole noid valve Electrical conne...

Страница 24: ...floating input lH 230 V 230 V output 230 V room thermostat connection C Cylinder temperature sensor system boiler D Remote control OpenTherm controller E Outside temperature sensor sÖ Heating circuit pump a Ö Fan motor dG Gas solenoid valve gF Ignition unit ionisation sA No function assigned XsÖ Equipotential bonding earth conductor Note on connecting accessories When connecting accessories observ...

Страница 25: ... chamber in the form of cable ties Outside temperature sensor Fitting location for outside temperature sensor North or north westerly wall 2 to 2 5 m above ground level in multi storey buildings in the upper half of the second floor Not above windows doors or vents Not immediately below balconies or gutters Never render over Outside temperature sensor connection See page 24 2 core lead up to 35 m ...

Страница 26: ...ent of strain relief failure The length of the earth conductor wire will depend on the design Max fuse rating 16 A Danger The absence of system component earthing can lead to serious injury from electric current if an electrical fault occurs The appliance and pipework must be connected to the equipotential bonding of the building Routing connecting cables leads Please note If closures or diaphragm...

Страница 27: ...27 4x 3 2 4x 1 Fig 19 Mounting the front panel 1 2 Fig 20 Installation sequence Closing the wiring chamber 6179762 Installation ...

Страница 28: ...nd adjusting the ignition and ionisation electrodes 42 17 Checking the back draught safety devices 42 18 Cleaning the heating surfaces 43 19 Checking the condensate drain and cleaning the trap 43 20 Installing the burner 45 21 Checking the neutralising system if installed 22 Checking the flow limiter only for gas condensing combi boiler 46 23 Checking the expansion vessel and system pressure 47 24...

Страница 29: ...rry out commissioning with the soft ware tool 3 Select ON and confirm with OK 4 Follow the instructions in the software tool Commissioning assistant sequence Explanations and references Commissioning C 1 Filling program ON on OF off Note It is possible to interrupt or end the process while a rotating rectangle alternat ing with the current system pressure is displayed to do so press for 3 s C 2 Ve...

Страница 30: ... the display The system carries out a restart Automatic flue gas temperature sensor check The display shows Er If the flue gas temperature sensor is not positioned correctly fault message 416 appears For further details regarding the flue gas temperature sensor test see Repairs If fault message 416 appears reposition the flue gas temperature sensor in the flue gas connection Check for leaks on the...

Страница 31: ...l water As a heat transfer medium for DHW heating the heat ing water must meet fluid category 3 This require ment is met if water of potable quality is used as heat ing water For example if additives are used the addi tive manufacturer must specify which category the treated heating water comes under Please note Unsuitable fill water increases the level of deposits and corrosion and may lead to ap...

Страница 32: ...for approx 4 s then release 2 Use to select b 5 for the commissioning assistant 3 OK 4 The display shows AP Press for 4 s 5 Use to select C 1 for the filling function 6 OK 7 to select ON for filling 8 OK The filling function is activated The display shows a rotating rectangle The filling function ends automatically after 20 min or press for 4 s Checking all connections on the heating water and DHW...

Страница 33: ... see following chapter 1 Determine the gas type and Wobbe index by ask ing your local gas supply utility or LPG supplier 2 Record the gas type in the report Changing the gas type for operation with LPG not for appliances with multiple connection 1 To change the gas type on the control unit see Commissioning the system with the commission ing assistant 2 Affix label G31 supplied with the technical ...

Страница 34: ...tment can have serious health implications Always carry out a CO test before and after work on gas appliances Note Operation with LPG Purge the LPG tank twice on commissioning replace ment Vent the tank and gas connection line thoroughly after purging Commissioning inspection maintenance Removing the front panel cont 6179762 ...

Страница 35: ...t Implement measures as indicated in the table below 09 Shut down the boiler Close the gas shut off valve Remove the pressure gauge Use the screw to close test connector A 10 Open the gas shut off valve and start the appli ance Danger Gas escaping from the test connector leads to a risk of explosion Check gas tightness at test connector A 11 Fit front panel see installation sequence Supply pressur...

Страница 36: ...e and burner gauze assembly Purge the gas line Yes Burner in operation No Shuts down below the set boiler water temperature and restarts immediately Check the flue system for leaks flue gas recirculation Check gas flow pressure Yes Automatic calibration of the combustion controller No Fault 62 373 Ensure adequate heat trans fer Reset the appliance Fault 346 377 Check gap between ionisa tion electr...

Страница 37: ...0 100 HI on the display 7 OK Performing an actuator test Actuator test only adjustable via the software tool Adjusting the integral circulation pump rate Operation of the integral circulation pump as heating circuit pump for heating circuit 1 The pump speed and consequently the pump rate are controlled subject to the outside temperature and the switching times for heating mode or reduced mode The ...

Страница 38: ...ion pump is operated at a constant speed Constant operation Residual head of integral circulation pump Residual head 0 kPa 0 200 400 600 800 1000 Flow rate in l h 100 200 300 400 0 10 20 30 40 500 50 mbar 1200 100 300 500 700 900 1100 5 50 150 15 250 25 350 35 450 45 600 550 55 60 C D E F G H B A K L Fig 26 Curve Pump rate of circulation pump A 10 B 20 C 30 D 40 E 50 F 60 G 70 H 80 K 90 L 100 Comm...

Страница 39: ...est port is not sealed combustion air is drawn in from the room After the tightness test re seal the test port with the plug Burner adjustment when connecting multiple flues to a shared flue system Note Only make this adjustment on appliances suitable for multiple connection For suitable Vitodens appliances see pricelist When connecting several Vitodens 050 W to a com mon flue system For multiple ...

Страница 40: ...tem is no longer live and safeguard against reconnection Prior to working on the appliance wait at least 4 min until the voltage has completely dropped out A B C D E F 4x Fig 28 1 Turn off the ON OFF switch 2 Close the gas shut off valve and safeguard against reopening 3 Disconnect cables and leads from Fan motor A 2 plugs Ionisation electrode B Ignition unit C Earth D 4 Undo gas supply pipe fitti...

Страница 41: ...ation ring F and burner gauze assembly D with gasket E Observe correct installation position Align the tab as per the dia gram 7 Align the hole in burner gauze assembly D with the burner door pin Secure burner gauze assembly D and gasket E with Torx screw C Tighten screws as tightly as necessary and ensure that the components are undamaged and are func tioning correctly throughout service life Obs...

Страница 42: ...ue of 4 5 Nm Checking the back draught safety devices Only for multiple connection to a flue system or multi boiler systems with a flue gas cascade Back draught safety device in the mixing shaft of the burner A B Fig 31 1 Undo 2 screws and remove fan A 2 Remove back draught safety device B 3 Check the damper and gasket for dirt and damage Replace if necessary 4 Refit back draught safety device B N...

Страница 43: ...o clean the heating sur faces Please note Prevent damage due to cleaning water Cover electronic components with suitable watertight material Note Discolouration on the heat exchanger surface is a nor mal sign of use It has no bearing on the function or service life of the heat exchanger The use of chemical cleaning agents is not required A Fig 33 1 Use a vacuum cleaner to remove combustion resi du...

Страница 44: ...se Please note If the trap is not filled with water flue gas can escape Only start the appliance when the trap has been filled Check that the trap is seated correctly 8 Refit supply hose 9 Danger Risk of electric shock from escaping conden sate Check the connections for leaks and check that the trap is seated correctly Note Route the drain hose without any bends and with a constant fall Multi boil...

Страница 45: ...e undamaged and are func tioning correctly throughout service life Observe torque settings if a torque wrench is avail able Check for gas tightness to BSI 6891 Torque 30 Nm 3 Check the gas connections for leaks Danger Escaping gas leads to a risk of explosion Check all fittings for gas tightness In the case of wall mounted appliances also check the gas shut off valve fitting on the under side 4 Co...

Страница 46: ...ote Filter strainer B is only installed in appliances as shown in the diagram on the right B Fig 37 5 Mount DHW flow sensor with new gaskets Danger Risk of electric shock from escaping heating water or DHW Check all water side connections for leaks Flow limiter Appliance type Flow rate l min Colour BOKA 25 GB 12 Red BOKA 30 GB 14 Pink BOKA 30 M GB 14 Pink Commissioning inspection maintenance Check...

Страница 47: ... 3 MPa Note The expansion vessel is supplied from the factory with a pre charge pressure of 0 7 bar Do not allow the pre charge pressure to fall below this value boiling noises This also applies to sin gle floor heating systems or attic heating centres no static pressure Top up with water until the charge pressure is 0 1 to 0 2 bar above the pre charge pressure Checking the safety valve function C...

Страница 48: ...O2 content Operation with natural gas Rated heating out put kW CO2 content O2 content Upper heating out put Lower heating out put Upper heating out put Lower heating out put 19 7 3 to 10 5 7 3 to 10 5 2 1 to 8 4 2 1 to 8 4 25 7 3 to 10 5 7 3 to 10 5 2 1 to 8 4 2 1 to 8 4 Operation with LPG Rated heating out put kW CO2 content O2 content Upper heating out put Lower heating out put Upper heating out...

Страница 49: ...han 1 implement steps listed above 8 Enter the actual value into the report 9 Re seal test port A Danger Escaping flue gas can damage your health Check test port A for leaks Regulating to the upper lower heating output Note Ensure adequate heat transfer Tap the following buttons 1 and OK simultaneously for approx 4 s then release 2 Use to select b 6 for the upper lower heating output 3 OK 4 Use to...

Страница 50: ...m user and instruct the user in oper ating the system This includes all components installed as accessories e g remote control units In addition the system instal ler must make the user aware of the required mainte nance work DHW hygiene For optimum DHW hygiene avoid DHW temperatures that are 50 C For larger systems and systems with low water exchange the temperature should not drop below 60 C Inf...

Страница 51: ... Off 0 Scald protection off Danger Risk of injury due to higher DHW temperature Inform the system user of the risk from the high er outlet temperature at the draw off points ON 1 Scald protection on max DHW temperature 60 C Note Even with the scald protection switched on higher outlet temperatures may occur at the draw off points in the following cases While the appliance is being calibrated 4 Max...

Страница 52: ...d val ue the selected set room temperature plus the hyste resis in K the heating circuit pump is switched off If the outside temperature is below the threshold value selected set room temperature plus hysteresis in K the heating circuit pump is switched on 2426 3 Room temperature dependent heating circuit pump logic for heating circuit 1 only for weather compensated control units Setting Explanati...

Страница 53: ...mperature is 1 K below selected value 25 C 25 Heating limit at outside temperature 25 C 10 to 35 Heating limit adjustable from 10 to 35 C 2855 1 Additional passive frost protection configuration heating circuit 1 Setting Explanations 1 1 C Setting range 9 C to 3 C If the outside temperature falls below the set outside temperature limit the corresponding heating circuit pump switches on applies onl...

Страница 54: ...eed d 4 Flue gas temperature d 5 Burner hours run d 6 Burner output d 7 3 way valve position 0 Heating 1 Middle position if installed 2 DHW d 8 Serial number of heat generator d 9 Heating circuit 1 flow temperature b 4 Message history b 5 Commissioning assistant b 6 Start upper lower heating output for test mode Note Tap to return to the service menu Exiting the service menu Tap the following butt...

Страница 55: ... is faulty appears on the display Calling up operating data Tap the following buttons 1 and OK simultaneously for approx 4 s then release 2 Use to select b 3 for diagnostics 3 OK 4 Use to select the required entry Note Use to view d 8 Serial number of heat generator in sections 5 OK Diagnosis and service checks Diagnosis cont 6179762 Diagnosis ...

Страница 56: ...y message history The 5 most recent faults including those remedied are saved and can be called up Faults are sorted by date Tap the following buttons 1 and OK simultaneously for approx 4 s then release 2 for b 4 Message history 3 OK 4 Use to select fault entry E 1 E 2 or E 5 For messages see chapter Further messages 5 OK 6 for the required message 7 OK Resetting the burner The display shows and f...

Страница 57: ...Programming unit with TCU 100 communication module Fault messages Note For diagnostics and troubleshooting see chapter Repairs Fault messages dependent on appliance equipment level Troubleshooting Overview of electronics modules 6179762 Diagnosis ...

Страница 58: ... were 0 C Short circuit outside tem perature sensor Check the outside temperature sensor and connection to sensor terminal O T S Replace faulty components if necessary 49 Burner in a fault state Lead break flue gas tem perature sensor Check flue gas temperature sen sor Reset the appliance 50 Burner in a fault state Short circuit flue gas tem perature sensor Check flue gas temperature sen sor Reset...

Страница 59: ...tabilisa tion or operating phase Check gas supply gas pressure and gas flow switch Check balanced flue system for flue gas recirculation Check ionisation electrode re place if necessary Check the distance of the electrode to the burner gauze assembly and its contamination level 67 Burner in a fault state Ionisation current lies out side the permissible range Check gas supply gas pressure and gas f...

Страница 60: ...e Check setting for gas type and flue system Reset the appliance 72 Burner in a fault state Fan idle state not reached Reset the appliance If the fault occurs repeatedly re place the fan unit 73 Burner in a fault state Internal communication error Reset the appliance If the fault occurs repeatedly re place the HBMU heat management unit See chapter Replacing the HBMU heat management unit 74 Burner ...

Страница 61: ...ve Check connected external appli ance 142 Burner in a fault state Communication restriction on CAN bus INR Check the fan unit for correct func tion For this check the stepper motor of the fan unit reference run with mains ON If the fault still persists check the plug in connections and cables of the CAN bus Check further CAN bus subscrib ers If fault occurs repeatedly re place fan unit 161 Burner...

Страница 62: ...ecirculation Check entire flue gas path for the following Flue gas back pressure caused by water pocket if flue system fall is insufficient constriction blockage Repair flue system if necessary Reset the appliance 348 Burner in a fault state Gas modulation valve If several heat generators are con nected to a common flue system Check whether Multiple connec tion is set in the commissioning assistan...

Страница 63: ...he ignition elec trode insulation is damaged Check for a voltage of 230 V at the ignition module during the ig nition phase If not replace the HBMU heat management unit If 230 V is present at the igni tion module but there is still a fault replace the ignition module Check connecting cables and leads from ignition module and ignition electrode Reset the appliance 361 Burner in a fault state Flame ...

Страница 64: ...n Check the fan connecting cables Check the fan power supply Reset the appliance 372 Burner in a fault state Repeated flame loss dur ing calibration Check ionisation electrode and connecting cable Check plug in connections for loose contacts Check the flue system Remove flue gas recirculation if necessa ry Check system for condensate backup Visually inspect gas solenoid valve inlet and inlet strai...

Страница 65: ...n connections for loose contacts Check the flue system Remove flue gas recir culation if necessary Check system for condensate backup Visually check gas sole noid valve inlet and inlet strainer for contamination Note To prevent water damage de tach fan unit before removing the burner Deposits on the electrodes indi cate foreign bodies in the com bustion air Check the installation room and flue sys...

Страница 66: ...y and ionisation electrode have been replaced also clean fan unit gas air channel and Venturi ex tension Reset the appliance 376 Burner in a fault state Ionisation current differen tial compared to previous value not plausible Check ionisation electrode and connecting cable Check plug in connections for loose contacts Check the flue system Remove flue gas recir culation if necessary Check system f...

Страница 67: ...heck gas supply gas pressure and gas flow switch Check balanced flue system for flue gas recirculation Check ionisation electrode and burner gauze assembly Clearance to burner gauze as sembly Contamination on electrode Reset the appliance 381 Burner in a fault state Flame loss during operat ing phase Check gas supply gas pressure and gas flow switch Check balanced flue system for flue gas recircul...

Страница 68: ...nagement unit faulty Check IO electrode for earth fault If the fault persists replace the HBMU heat management unit See chapter Replacing the HBMU heat management unit Reset the appliance 400 Burner in a fault state HBMU heat management unit faulty Replace the HBMU heat manage ment unit See chapter Replacing the HBMU heat management unit Reset the appliance 401 Burner in a fault state IO electrode...

Страница 69: ... the flow temperature sen sor high limit safety cut out Check plug in connection and lead to sensor Reset the appliance 447 448 Burner in a fault state Deviation ionisation volt age ionisation current sig nal Replace the HBMU heat manage ment unit See chapter Replacing the HBMU heat management unit Reset the appliance 449 450 451 452 Burner in a fault state Error in scheduled pro gram run monitori...

Страница 70: ...ner in a fault state Contaminated combustion air flue gas recirculation Check flue system for contamina tion and flue gas recirculation Clean flue system if necessary Reset the burner Note Deposits on the electrodes indicate foreign bodies in the combustion air Check the installation room and flue system for causes of the de posits For example Laundry de tergents cleaning agents toilet ries deposi...

Страница 71: ...e Deposits on the electrodes indicate foreign bodies in the combustion air Check the installation room and flue system for causes of the de posits For example Laundry de tergents cleaning agents toilet ries deposits in the ventilation air supply chimney If burner gauze assembly and ioni sation electrode have been re placed also clean fan unit gas air channel and Venturi extension 467 Burner in a f...

Страница 72: ... connec tion Check whether the supply volt age to the sensor is 5 V 474 Burner in a fault state Error in scheduled pro gram run monitoring Reset the appliance If the fault occurs repeatedly re place the HBMU heat management unit See chapter Replacing the HBMU heat management unit 527 528 Burner in a fault state Incorrect HBMU heat management unit parame ter set Overwrite flash the HBMU heat manage...

Страница 73: ...e control unit 682 Burner in a fault state Air mass flow rate sensor not available Check air mass flow rate sensor 683 Burner in a fault state Air mass flow rate sensor faulty Check air mass flow rate sensor 684 Burner in a fault state Back draught safety de vice faulty Check back draught safety device 694 Burner in a fault state Signal comparison devia tion flue gas high limit safety cut out Chec...

Страница 74: ... Residual water will escape when the boiler or one of the following components is fitted or removed Water filled pipework Heat exchanger Circulation pumps Plate heat exchanger Components fitted in the heating water or DHW circuit Water ingress can result in damage to other components Protect the following components against ingress of water Control unit components especially in the service positio...

Страница 75: ...on the heating water side Ø 17 0 mm Gaskets and locking ring connections are available as individual parts if required Note When carrying out any work on gas connection fittings hold with a suitable tool Never transfer any forces to the internal components Danger Escaping gas leads to a risk of explosion Check all connections on the gas side also inside the appliance for tightness Troubleshooting ...

Страница 76: ...nsor 1 Connections 1 and 3 Sensor 2 Connections 2 and 4 Compare the resistances with the value for the cur rent temperature from the following diagram In the event of severe deviation 10 replace the dual sensor Danger The dual sensor is directly immersed in the heating water risk of scalding Drain the boiler on the heating water side before replacing the sensor Danger Risk of electric shock from e...

Страница 77: ...or 1 Check the lead and plug of flue gas temperature sensor C 2 Disconnect leads flue gas temperature sensor C 3 Rotate sensor anti clockwise by turn to remove it bayonet fitting 4 Check the sensor resistance Compare the resist ance with the value for the currently recorded tem perature from the following diagram In the event of severe deviation 10 replace the sensor 5 Rotate sensor clockwise by t...

Страница 78: ...age 416 continues to be displayed although the flue gas temperature sensor is correctly positioned Initial commissioning may result in burner faults e g caused by air in the gas line Eliminate the fault and reset the appliance Replacing the HBMU heat management unit Note If replacing the HBMU heat management unit ViGuide must be used See spare part installation instructions and inter net address w...

Страница 79: ...uired 6 Check connections on the heating water side for contamination Clean or replace the plate heat exchanger as required 7 Install plate heat exchanger in reverse order using new gaskets Tighten screws as tightly as necessary and ensure that the components are undamaged and are func tioning correctly throughout service life Observe torque settings if a torque wrench is avail able Screw torque 3...

Страница 80: ...s of the hydraulic unit have to be replaced Danger Risk of electric shock from escaping heating water or DHW After installation check all connections on the water side for leaks 1 2 3 6 4 5 7 Fig 43 Troubleshooting Repairs cont 6179762 Diagnosis ...

Страница 81: ...wn 4 Remove cover A 5 Check fuse F1 see connection and wiring dia gram Danger Incorrect or improperly fitted fuses can lead to an increased risk of fire Insert fuses without using any force Posi tion fuses correctly Only use structurally identical types with the specified response characteristics Troubleshooting Repairs cont 6179762 Diagnosis ...

Страница 82: ...ing program During the venting program the circulation pump will be alternately switched on and off for 30 s over a period of 20 min The 3 way diverter valve alternates between central heating and DHW heating for a certain period of time The burner is switched off during the venting program Activate venting program See chapter Com missioning inspection and maintenance Filling program In the delive...

Страница 83: ...p points of the heating cir cuit pumps depend on the Heating limit outside tem perature for heating circuit setting 90 20 26 20 A C D E B Fig 46 Example 1 Changing the set room tempera ture from 20 to 26 C A Flow temperature in C B Outside temperature in C C Set room temperature in C D Heating circuit pump OFF E Heating circuit pump ON Changing the set room temperature Operating instructions Chang...

Страница 84: ...draw off points Gas condensing system boiler If the set DHW temperature is set to over 60 C Gas condensing combi boiler If there are several draw off events in quick succession or several appliance calibration processes External heating circuit hook up if installed Note Only in conjunction with weather compensated opera tion Function If the external demand is active the heating circuit is supplied...

Страница 85: ...z B Vitotrol 100 type UTA C Vitotrol 100 type UTDB D Ignition unit ionisation E Fan motor control F Outlet temperature sensor combi boiler only lH 230 V connection accessories for accessories a Ö 230 V fan motor dG Gas solenoid valve gF Ignition unit Connection and wiring diagram HBMU heat management unit 6179762 Appendix ...

Страница 86: ...86 fÖ Mains input sA No function Connection and wiring diagram HBMU heat management unit cont 6179762 Appendix ...

Страница 87: ...ming unit with communication module X Electrical interfaces G Flow sensor combi boiler only H Water pressure sensor K Flue gas temperature sensor L Boiler water temperature sensor M Internal circulation pump PWM Connection and wiring diagram HBMU heat management unit 6179762 Appendix ...

Страница 88: ...tor for diverter valve O Outside temperature sensor P Remote control OpenTherm controller R Cylinder temperature sensor system boiler only Connection and wiring diagram HBMU heat management unit cont 6179762 Appendix ...

Страница 89: ... gas type Carbon dioxide content CO2 With natural gas At lower heating output by vol See Check ing the com bustion qual ity Com mission ing At upper heating output by vol For LPG At lower heating output by vol At upper heating output by vol Oxygen content O2 At lower heating output by vol At upper heating output by vol Carbon monoxide content CO At lower heating output ppm 1000 At upper heating ou...

Страница 90: ... 0 Product ID CE 0063DL3422 IP rating to EN 60529 IP X4 to EN 60529 NOx 6 6 Gas supply pressure Natural gas mbar kPa 20 2 20 2 LPG mbar kPa 50 5 50 5 Max permiss gas supply pressure 1 Natural gas mbar kPa 13 to 25 0 1 3 to 2 5 13 to 25 0 1 3 to 2 5 LPG mbar kPa 25 to 57 5 2 5 to 5 75 25 to 57 5 2 5 to 5 75 Sound power level to EN ISO 15036 1 At partial load dB A 33 33 At rated heating output DHW h...

Страница 91: ...emperature limiter setting C 110 Permissible ambient temperature During operation C 5 to 40 During storage and transport C 5 to 60 Weight Excl heating water and packaging kg 35 35 Incl heating water kg 41 41 Water capacity excl diaphragm expansion ves sel l 3 0 3 0 Max flow temperature C 82 82 Max flow rate Limit for the use of hydraulic separation l h See residual head graph Nominal circulating w...

Страница 92: ...mperature of 60 C for DHW heating C 65 67 Temperature when overheating C 120 Available draught Pa 250 250 mbar 2 5 2 5 Available draught for B23P Pa 527 698 mbar 5 27 6 98 Max amount of condensate To DWA A 251 l h 2 5 3 3 Condensate connection hose nozzle Ø mm 20 to 24 20 to 24 Flue gas connection Ø mm 60 60 Ventilation air connection Ø mm 100 100 Standard seasonal efficiency to DIN at TF TR 40 30...

Страница 93: ... to 31 5 Product ID CE 0063DL3422 IP rating to EN 60529 IP X4 to EN 60529 B1BA IP X5 to EN 60529 NOx 6 6 Gas supply pressure Natural gas mbar kPa 20 2 20 2 LPG mbar kPa 50 5 50 5 Max permiss gas supply pressure 3 Natural gas mbar kPa 25 2 5 25 2 5 LPG mbar kPa 25 to 57 5 2 5 to 5 75 25 to 57 5 2 5 to 5 75 Sound power level to EN ISO 15036 1 At partial load dB A 33 33 At rated heating output DHW he...

Страница 94: ...er setting C 110 Permissible ambient temperature During operation C 5 to 40 During storage and transport C 5 to 60 Weight Excl heating water and packaging kg 35 35 Incl heating water kg 41 41 Water capacity excl diaphragm expansion ves sel l 3 0 3 0 Max flow temperature C 82 82 Max flow rate Limit for the use of hydraulic separation l h See residual head graphs Nominal circulating water volume At ...

Страница 95: ...flow rate for DHW heating Natural gas At the max rated heating output kg h 31 7 41 6 At partial load kg h 5 6 9 8 5 6 9 8 Available draught with individual connection Pa 250 250 mbar 2 5 2 5 Max amount of condensate To DWA A 251 l h 3 8 4 4 Condensate connection hose nozzle Ø mm 20 to 24 20 to 24 Flue gas connection Ø mm 60 60 Ventilation air connection Ø mm 100 100 Standard seasonal efficiency to...

Страница 96: ...tion between the level of the ionisation cur rent and the air ratio λ The maximum ionisation cur rent is achieved at an air ratio of 1 for all gas qualities The ionisation signal is evaluated by the combustion controller The air ratio is regulated to a value that is between λ 1 2 and 1 5 This range provides for an optimum combustion quality Thereafter the electronic gas train regulates the require...

Страница 97: ...the system are not part of ordi nary domestic waste For decommissioning isolate the system from the power supply and allow components to cool down where appropriate All components must be disposed of correctly Disposal Final decommissioning and disposal 6179762 Appendix ...

Страница 98: ...lations in terms of its design and operational characteristics Viessmann Limited Hortenwood 30 Telford TF1 7YP United King dom hereby declares that the radio equipment type of the named product is in compliance with The Radio Equipment Regulations 2017 Using the serial number the full Declaration of Con formity can be found on the following website www viessmann co uk conformity Certificates Decla...

Страница 99: ...Faults Commissioning 36 Display 56 Filling function 32 82 Fill water 31 Flow limiter 46 Flow pressure 35 Flow temperature sensor 76 Flue gas connection 22 Flue gas temperature sensor 77 Front panel mounting 27 Front panel removal 16 33 Function descriptions 82 Function sequence 36 Fuse 81 G Gas connection 22 Gas solenoid valve 35 Gas supply pressure 35 Gas type 33 H Heating curve 50 82 Heating cur...

Страница 100: ...parameters 13 Service menu 54 Calling up 54 Exiting 54 Set room temperature setting 83 Specification 90 Static pressure 35 Subscriber number of connected component 56 Summer economy control 53 Supply pressure 34 35 Symbols 8 System configuration 29 51 System filling 32 System pressure 32 System requirements 13 System schemes 50 T Tightness test 32 Trap 21 43 Type plate 9 V Venting function 33 Vent...

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Viessmann 47-819-55, Инструкция по установке и обслуживанию

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