Viessmann Vitodens 100-W B1HF Series Installation And Service Instructions Manual
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Viessmann Vitodens 100-W B1HF Series Installation And Service Instructions Manual

Wall mounted gas condensing boiler
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VIESMANN
Installation and service instructions
for contractors
Vitodens 100-W
Type B1HF, B1KF, 3.2 to 32 kW
Type B1HF-M, B1KF-M (for multiple connection), 5.7 to 32 kW
Wall mounted gas condensing boiler
Natural gas and LPG version
VITODENS 100-W
Please keep safe.
6167586 GB
12/2020

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Summary of Contents for Viessmann Vitodens 100-W B1HF Series

  • Page 1 VIESMANN Installation and service instructions for contractors Vitodens 100-W Type B1HF, B1KF, 3.2 to 32 kW Type B1HF-M, B1KF-M (for multiple connection), 5.7 to 32 kW Wall mounted gas condensing boiler Natural gas and LPG version VITODENS 100-W Please keep safe. 6167586 GB 12/2020...
  • Page 2 Safety instructions Safety instructions Please follow these safety instruc- tions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Please note This symbol warns against the risk of material losses and environmen- tal pollution.
  • Page 3 Viessmann. water pipes to discharge static loads. Repair work Please 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.
  • Page 4 Safety instructions Safety instructions (cont.) Safety instructions for operating the system If you smell gas Condensate Danger Danger Escaping gas can lead to explo- Contact with condensate can be sions which may result in serious harmful to health. injury. Never let condensate touch your Do not smoke.
  • Page 5 Safety instructions Safety instructions (cont.) Danger The simultaneous operation of the boiler and appliances that exhausts air to the outside can result in life threatening poisoning due to a reverse flow of flue gas. Fit an interlock circuit or take suita- ble steps to ensure an adequate supply of combustion air.

  • Page 6: Table Of Contents

    Index Index 1. Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................Vitodens 100-W, type B1HF, B1KF ............. ■ System examples .................. 10 Spare parts lists ..................10 2. Preparing for installation ........................ 11 3. Installation sequence Removing the boiler from the packaging ..........
  • Page 7 Index Index (cont.) Checking the temperature sensors ............. 81 ■ Information on replacing the HBMU heat management unit ....85 ■ Replacing the power cable ..............85 ■ Replacing the HMI connecting cable ..........85 ■ Checking the plate heat exchanger ............ 85 ■...

  • Page 8: Information Disposal Of Packaging

    Information Disposal of packaging Please dispose of packaging waste in line with statu- tory regulations. Symbols The steps in connection with commissioning, inspec- Symbol Meaning tion and maintenance are found in the "Commission- Reference to other document containing ing, inspection and maintenance" section and identified further information as follows: Step in a diagram:...

  • Page 9: Product Information

    Information Intended use (cont.) Incorrect usage or operation of the appliance (e.g. the appliance being opened by the system user) is prohibi- ted and will result in an exclusion of liability. Incorrect usage also occurs if the components in the heating system are modified from their intended use (e.g.

  • Page 10: System Examples

    Detailed information on system examples can be found tion diagrams and function descriptions are available at: www.viessmann-schemes.com to help setting up the heating system. Spare parts lists Information about spare parts can be found at www.viessmann.com/etapp or in the Viessmann spare part app.

  • Page 11: Preparing For Installation

    Preparing for installation Preparing for installation Ø 96 -0.5 Ø 60.5 +0.8 Fig. 2 Illustration shows a gas condensing combi boiler Condensate drain Heating return Heating flow Filling/draining DHW (gas condensing combi boiler) Dimension for siting with DHW cylinder below the Cylinder flow (gas condensing system boiler) boiler Gas connection...
  • Page 12 Preparing for installation Preparing for installation (cont.) Note 3. Prepare the gas connection according to TRGI or This boiler (IP rating: IP X4) is approved for installation TRF [or local regulations]. in wet rooms inside safety zone 1, to DIN VDE 0100. Exposure to jets of water must be prevented.
  • Page 13 Preparing for installation Preparing for installation (cont.) Shock arrestor If draw-off points likely to cause water hammer are connected to the boiler's DHW network (e.g. flush valves, washing machines, dishwashers): Shock arrestors should be installed close to the cause of the water hammer.

  • Page 14: Installation Sequence Removing The Boiler From The Packaging

    Installation sequence Removing the boiler from the packaging Fig. 4...

  • Page 15: Mounting The Boiler And Making Connections

    Installation sequence Mounting the boiler and making connections Removing the front panel Fig. 5 1. Unlock the front panel on the underside (push in), 2. Swivel the front panel forwards slightly and lift using a screwdriver or similar tool. away upwards. Mounting the boiler on the pre-plumbing jig or mounting frame Note Various installation components can be found in a sep-...
  • Page 16 Installation sequence Mounting the boiler and making connections (cont.) Fig. 6 Note 1. Replace gaskets. The diagram shows installation on a pre-plumbing jig for a gas condensing combi boiler. Internal gasket diameter: Gas connection Ø 18.5 mm ■ The boiler can be installed on the following accesso- Connections on the heating water side ■...

  • Page 17: Fitting The Boiler To The Wall Mounting Bracket

    Installation sequence Mounting the boiler and making connections (cont.) 2. Suspend the Vitodens from the wall mounting 4. Tighten union nuts so that they form a tight seal. bracket. Torque settings: Note ■ Union nuts G : 30 Nm ¾ After mounting, ensure correct seating.
  • Page 18 Installation sequence Mounting the boiler and making connections (cont.) Fig. 7 1. Replace gaskets. Fit valves and gas shut-off valve. 3. Note Only remove the locking clip under the gas pipe Internal gasket diameter: union nut once the appliance has been installed. Gas connection Ø...

  • Page 19: Connections On The Heating Water And Dhw Sides

    Installation sequence Mounting the boiler and making connections (cont.) Connections on the heating water and DHW sides If the connections have not been fitted previously, Gas condensing combi boiler make the connections on the heating water and DHW sides. Gas condensing system boiler Fig.

  • Page 20: Condensate Connection

    Installation sequence Condensate connection 1. Push the supplied drain hose on to the drain con- nector. 2. Connect the condensate hose, with a constant fall and a pipe vent, to the drain network or to a neu- tralising system. Note Route the onward drain line inside the building as far as possible.

  • Page 21: Flue Gas Connection

    Unrestricted flow in the flue gas routes. documentation may only be used in conjunction with ■ Positive pressure flue system is gas-tight. the Viessmann flue system made by Skoberne or ■ Inspection port covers checked for secure and tight Groppalli.

  • Page 22: Gas Connection

    Installation sequence Gas connection Fig. 12 1. If the gas connection has not been fitted previ- 2. Check for leaks. ously, seal gas shut-off valve to the gas con- nection. Danger When carrying out any work on gas connection fit- Escaping gas leads to a risk of explosion.

  • Page 23: Electrical Connections

    Installation sequence Electrical connections Opening the wiring chamber Please note Electronic assemblies can be damaged by elec- trostatic discharge. Prior to commencing any work, touch earthed objects, such as heating or water pipes to dis- charge static loads. Fig. 13 Layout of the electrical connections Note For further information on the connections, see the fol-...

  • Page 24: On-Site Connections On The Hmbu Heat Management Unit

    Installation sequence Electrical connections (cont.) Cylinder temperature sensor (system boiler) Note on connecting accessories Equipotential bonding (earth conductor) When connecting accessories observe the sep- sÖ arate installation instructions provided with them. On-site connections on the HMBU heat management unit ■ Open diaphragm grommets as required.

  • Page 25: Connecting The Cylinder Temperature Sensor

    Installation sequence Electrical connections (cont.) Connecting the cylinder temperature sensor Connect the cylinder temperature sensor to terminals . See page 23. Connecting the DHW circulation pump Note Specification Connect DHW circulation pumps to EM-P1 extension Rated current (ADIO). Configuration via software tool. Rated voltage 230 V ~ Connect DHW circulation pumps with standalone func-...

  • Page 26: Accessories Mains Connection, Connect Plug To External Power Supply

    Installation sequence Electrical connections (cont.) Accessories mains connection, connect plug to external power supply Connect one or more extensions via an ON/OFF switch directly to the mains supply (see next chapter). Accessories with direct mains connection PlusBus Fig. 17 HBMU heat management unit, heat generator EM-P1 extension (ADIO electronics module) Mixer extension kit (ADIO electronics module) ON/OFF switch...

  • Page 27: Routing Connecting Cables/Leads

    Installation sequence Electrical connections (cont.) If the power supply to the appliance is connected Danger ■ with a flexible power cable, ensure that the live con- The absence of system component earthing can ductors are pulled taut before the earth conductor in lead to serious injury from electric current if an the event of strain relief failure.

  • Page 28: Wifi Operational Reliability And System Requirements

    Installation sequence WiFi operational reliability and system requirements WiFi router system requirement Dynamic IP addressing (DHCP, delivered condition) ■ ■ WiFi router with activated WiFi: in the network (WiFi): The WiFi router must be protected by a sufficiently Have this checked on site, and if required set up, by secure WPA2 password.

  • Page 29: Closing The Wiring Chamber

    Installation sequence WiFi operational reliability and system… (cont.) Ideal angle of penetration Wall Fig. 20 WiFi router Heat generator Closing the wiring chamber Fig. 21...

  • Page 30: Fitting The Front Panel

    Installation sequence Fitting the front panel Fig. 22...

  • Page 31: Commissioning, Inspec-Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • 1. Commissioning the system....................32 • • 2. Filling the heating system....................36 • • • 3. Checking all connections on the heating water and DHW sides for leaks....37 •...

  • Page 32: Commissioning The System

    Commissioning, inspection, maintenance Commissioning the system Please note 3. For further steps, see commissioning assistant in Only commission the appliance with a fully filled the following overview. trap. Check that the trap has been filled with water. Commissioning via software tool Commissioning via commissioning assistant Note Apps for commissioning and service are available for...
  • Page 33 Commissioning, inspection, maintenance Commissioning the system (cont.) Commissioning assistant Explanations and references sequence Commissioning "C.1" ON = on Filling program OFF = 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 and hold for 3 s.
  • Page 34 Commissioning, inspection, maintenance Commissioning the system (cont.) Commissioning assistant Explanations and references sequence "C.8" 1 - 1 direct heating circuit without low loss header System scheme (depend- 2 - 1 direct heating circuit with low loss header ing on appliance type, not 3 - 1 direct heating circuit without low loss header with DHW cylinder all schemes possible) 4 - 1 direct heating circuit with low loss header and DHW cylinder upstream of...
  • Page 35 Commissioning, inspection, maintenance Commissioning the system (cont.) Commissioning assistant Explanations and references sequence "C.10" 0 - No function EM-EA1 (DIO) function 4 - External set flow temperature 0-10 V 5 - External default output 8 - 230 V fault message input and fault message output (without system blocking) 10 - External extractor (e.g.

  • Page 36: Filling The Heating System

    Commissioning, inspection, maintenance Commissioning the system (cont.) Switching WiFi ON/OFF The appliance is equipped with an integrated WiFi Activating the internet connection: communication module with extended type plate. The internal communication module supports commis- Operating instructions sioning of the heat generator with the "Vitoguide app", connectivity with the "ViCare app"...

  • Page 37: Checking All Connections On The Heating Water And Dhw Sides For Leaks

    Commissioning, inspection, maintenance Filling the heating system (cont.) 1. Close the gas shut-off valve. 6. Close valves 2. Switch on the power supply. 7. Remove connection line between two valves During operation, the connection must be interrup- 3. Activate the filling function (see commissioning ted.

  • Page 38: Checking The Gas Type

    Commissioning, inspection, maintenance Venting the heating system (cont.) Activating the venting function If the venting function is to be activated after commis- 5. Use to select "C.2" for ventilation. sioning. 6. OK Tap the following buttons: should be used to select "ON" to switch on and OK simultaneously for approx.

  • Page 39: Removing The Front Panel

    Commissioning, inspection, maintenance Removing the front panel Danger Contact with live components can lead to seri- ous injury from electric current. Some compo- nents on PCBs remain live even after the power supply has been switched off. Never touch the wiring chambers (control unit ■...

  • Page 40: Checking The Static Pressure And Supply Pressure

    Commissioning, inspection, maintenance Checking the static pressure and supply pressure Danger Operation with LPG CO formation as a result of incorrect burner adjustment can have serious health implications. Purge the LPG tank twice on commissioning/replace- Always carry out a CO test before and after ment.

  • Page 41: Function Sequence And Possible Faults

    Commissioning, inspection, maintenance Checking the static pressure and supply pressure (cont.) Supply pressure (flow pressure) Measures For natural gas For LPG < 20 mbar (2.0 kPa) < 50 mbar (5.0 kPa) Do not start the boiler. Notify the gas supply utility or LPG supplier.

  • Page 42: Setting The Maximum Heating Output

    Commissioning, inspection, maintenance Function sequence and possible faults (cont.) Automatic calibration of Fault 62, 373 Ensure adequate heat trans- the combustion controller fer. Reset the appliance. Fault 346, 377 Check gap between ionisa- tion electrode and burner gauze assembly. Check flue system. Remove flue gas recirculation if re- quired.
  • Page 43 Commissioning, inspection, maintenance Adjusting pump rate of integral circulation pump (cont.) In the delivered condition, the minimum pump rate ■ and the maximum pump rate are set to the following values: Rated heating output Speed settings in the de- in kW livered condition in % Min.

  • Page 44: Activating Screed Drying

    Commissioning, inspection, maintenance Adjusting pump rate of integral circulation pump (cont.) Curve Pump rate of circulation pump 10 % 20 % 30 % 40 % 50 % 60 % 70 % 80 % 90 % 100 % Activating screed drying Screed drying Six different temperature profiles can be set for screed Note...

  • Page 45: Burner Adjustment When Connecting Multiple Flues To A Shared Flue System

    Commissioning, inspection, maintenance Leak test on balanced flue system (annular gap… (cont.) Please note If the test 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 System conditions:...
  • Page 46 Commissioning, inspection, maintenance Removing the burner (cont.) Fig. 30 1. Turn off the ON/OFF switch. 4. Undo gas supply pipe fitting 2. Close the gas shut-off valve and safeguard against 5. Undo 4 screws and remove the burner. reopening. Note 3.

  • Page 47: Checking The Burner Gasket And Burner Gauze Assembly

    Commissioning, inspection, maintenance Checking the burner gasket and burner gauze assembly Fig. 31 Check burner gauze assembly , electrodes , ther- 5. Install new burner gasket . Observe correct mal insulation ring and gasket for damage. Only installation position. Align the tab as per the dia- remove and replace components if they are damaged gram.

  • Page 48: Checking And Adjusting The Ignition And Ionisation Electrodes

    Commissioning, inspection, maintenance Checking and adjusting the ignition and ionisation electrodes ±0.5 Fig. 32 Ignition electrodes Ionisation electrode 1. Check the electrodes for wear and contamination. 3. Check the electrode gaps. If the gaps are not as specified or the electrodes are damaged, replace 2.

  • Page 49: Cleaning The Heating Surfaces

    Commissioning, inspection, maintenance Checking the back draught safety devices (cont.) 1. Remove the balanced flue system. 3. Refit the balanced flue system. Note 4. Pour a small amount of water through the inspec- If the balanced flue system cannot be removed, tion port to ensure the back draught safety device clean and check the back draught safety device via is working.
  • Page 50 Commissioning, inspection, maintenance Checking the condensate drain and cleaning the… (cont.) Fig. 36 1. Pivot the HBMU heat management unit forwards. 8. Refit supply hose. 2. Cover electronic components with suitable water- Danger tight material. Risk of electric shock from escaping conden- sate.

  • Page 51: Installing The Burner

    Commissioning, inspection, maintenance Installing the burner Fig. 37 1. Insert the burner. Tighten screws diagonally. 4. Connect the cables/leads: Torque: 6.5 Nm Fan motor (2 plugs) ■ ■ Ionisation electrode 2. Fit gas supply pipe with a new gasket. ■ Ignition unit Torque: 30 Nm ■...

  • Page 52: Checking The Flow Limiter (Only For Gas Condensing Combi Boiler)

    Commissioning, inspection, maintenance Checking the flow limiter (only for gas condensing combi boiler) 1. Drain the boiler on the DHW side. 2. Remove the spring clip. 3. Remove the DHW flow sensor. 4. Check flow limiter . Replace in case of exces- sive scaling or damage.

  • Page 53: Checking The Safety Valve Function

    Commissioning, inspection, maintenance Checking the expansion vessel and system… (cont.) 1. Drain the system until "0" is shown on the display. 3. Top up with water until the charge pressure of the cooled system is at least 1.0 bar (0.1 MPa), and is Note 0.1 to 0.2 bar (10 to 20 kPa) higher than the pre- For pressure indicator on the home screen,...

  • Page 54: Checking The Combustion Quality

    Commissioning, inspection, maintenance Checking the combustion quality The electronic combustion controller automatically Note ensures optimum combustion quality. During commis- To prevent operating faults and damage, operate the sioning/maintenance, only the combustion values need appliance with uncontaminated combustion air. to be checked. To do this, test the CO content and CO or O content, and record these in the report on page 97.

  • Page 55: Checking The Flue System For Unrestricted Flow And Leaks 32. Checking The External Lpg Safety Valve (If Installed) 33. Matching The Control Unit To The Heating System

    Commissioning, inspection, maintenance Checking the combustion quality (cont.) Regulating to the upper/lower heating output Note 3. OK Ensure adequate heat transfer. 4. Use to set the value. Tap the following buttons: "0" - OFF "1" - Min. heating output and OK simultaneously for approx. 4 s, then "2"...

  • Page 56: System Configuration Calling Up Parameters

    System configuration (parameters) Calling up parameters Note 3. OK The display and setting of some parameters is dependent on: 4. Use to select the parameter for adjust- ■ Heat generator ment. See tables below. ■ Connected accessories and the functions associated with them 5.
  • Page 57 System configuration (parameters) Parameter (cont.) 3 "Scald protection" Setting Explanations The adjustable DHW temperature is limited to a maxi- mum value. Scald protection OFF Danger Risk of injury due to increased DHW tempera- ture. Inform the system user of the risk from the raised outlet temperature at the draw-off points.
  • Page 58 System configuration (parameters) Parameter (cont.) 7 "Maximum heating output" Setting Explanations A limit can be set on the maximum heating output for heating mode. Heating output in the delivered condition 100 % 0 to 100 Adjustable from 0 to 100 % 8 "Maximum flow temperature limit, heating circuit 1"...

  • Page 59: Energy Saving Functions (Setting Only Via Software Tool)

    System configuration (parameters) Parameter (cont.) 13 "Room influence factor, heating circuit 2" Setting Explanations The higher the value, the greater the influence of the room temperature on the set flow temperature of the heating circuit (heating curve). Operation with room temperature hook-up must be set for the heating cir- cuit.
  • Page 60 System configuration (parameters) Subscriber numbers of connected extensions (cont.) Rotary switch S1 settings: ■ EM-S1 extension (system with solar collectors): 0 ■ EM-EA1 extension (max. 1 extensions in one sys- tem) Note On the EM-EA1 extension, select 1 if the function "external heating circuit hook-up"...

  • Page 61: Diagnosis And Service Service Menu

    Diagnosis and service checks Service menu Calling up the service menu Tap the following buttons: Note Tap " " to return to the service menu. and OK simultaneously for approx. 4 s, then release. 2. Select the required menu section (e.g. "b.1" Con- nect with software tool).

  • Page 62: Diagnosis

    Diagnosis and service checks Diagnosis Checking operating data Operating data can be checked in various areas. See 2. Use to select "b.3" for diagnostics. "Diagnosis" in the service menu overview. Operating data on heating circuits with mixer can only 3. OK be called up if such components are installed in the system.

  • Page 63: Troubleshooting Fault Display On The Programming Unit

    Troubleshooting Fault display on the programming unit A fault in the burner control unit causes the display to 3. OK show " ". to call up fault entry "E.1 to E.5". Note If a central fault message facility is connected, this is 5.

  • Page 64: Overview Of Electronics Modules

    Troubleshooting Overview of electronics modules Fig. 41 HBMU heat management unit Programming unit Fault messages Note For diagnosis and troubleshooting, see chapter "Repairs". Fault messages dependent on appliance equipment level...
  • Page 65 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code No DHW heating. Lead break, cylinder tem- Check DHW setting in the com- ■ perature sensor missioning assistant and correct if required. Check the cylinder temperature ■ sensor (terminal 2). Measure voltage at sensor input ■...
  • Page 66 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Regulates without flow tem- Lead break, low loss Check commissioning assistant ■ perature sensor for low loss header sensor setting, low loss header. header. Check flow temperature sensor, ■ low loss header.
  • Page 67 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Burner in a fault state Flue gas temperature lim- Check heating system fill level. ■ iter has responded. Check pre-charge pressure in di- ■ aphragm expansion vessel. Ad- just to required system pressure. Check whether flow rate is suffi- ■...
  • Page 68 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Burner in a fault state Fan speed too low Check fan for blockage. ■ Check setting for gas type and ■ flue system. Reset the appliance. Burner in a fault state Internal communication Reset the appliance.
  • Page 69 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code No internet connection Error with communication Check cables and plug-in connec- module tions between heat management unit and communication module. Control mode Internal communication Check cables and plug-in connec- error, programming unit tions between heat management unit and HMI programming unit.
  • Page 70 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Burner locked out, automatic Temperature limiter has Ensure adequate heat transfer. ■ enabling after appliance cool- responded. Check heating system fill level. ■ down. Independent restart Check pre-charge pressure in di- ■...
  • Page 71 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Shutdown with restart if de- Insufficient gas supply, Check the gas supply. mand exists burner output reduced Optically check input-side screen in the gas solenoid valve for con- tamination. Reset the appliance.
  • Page 72 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Burner in a fault state Flame signal is not Check ionisation electrode and present or insufficient at connecting cable. Check plug-in burner start. connections for loose contacts. Note Deposits on the electrodes indicate foreign bodies in the combustion air.
  • Page 73 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Burner in a fault state Repeated flame loss dur- Check ionisation electrode and ■ ing calibration connecting cable. Check plug-in connections for ■ loose contacts. Check flue system. Remove flue ■...
  • Page 74 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Burner in a fault state Flame is lost immediately Check gas supply (gas pressure after flame formation (dur- and gas flow switch). ing safety time) Check balanced flue system for flue gas recirculation.
  • Page 75 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Burner in a fault state HBMU heat management Replace the HBMU heat manage- unit faulty ment unit. See chapter "Replacing the HBMU heat management unit". Reset the appliance. Burner in a fault state IO electrode earth fault, Check IO electrode for earth fault.
  • Page 76 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code System in control mode, cal- Time synchronisation Set the time. culation out of operation. failed Calculation values can be viewed via software tool. Burner in a fault state Deviation, heat generator Check the flow temperature sen- flow temperature sensor/ sor/high limit safety cut-out.
  • Page 77 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Burner in a fault state Ionisation current too low Check ionisation electrode and ■ during calibration. Differ- connecting cable. Check plug-in ential compared to previ- connections for loose contacts. ous value not plausible.
  • Page 78 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Burner in a fault state Ionisation current too high Check gap between ionisation during calibration electrode and burner gauze as- sembly. Check whether there is a lot of dust in the ventilation air (e.g. from construction work).

  • Page 79: Repairs

    Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Burner in a fault state Condensate backup in the Check system for condensate ■ heat cell backup. Check the condensate drain and ■ trap. Replace insulation blocks, elec- ■ trodes and burner gauze assem- bly if required.

  • Page 80: Shutting Down The Boiler

    Troubleshooting Repairs (cont.) Shutting down the boiler 1. Turn off the power supply at the ON/OFF switch. 3. If the boiler needs to be removed: Isolate the system from the power supply, e.g. by ■ 2. Shut off the gas supply. removing the separate fuse or by means of a mains isolator, and check that it is no longer live.

  • Page 81: Checking The Temperature Sensors

    Troubleshooting Repairs (cont.) Note Note Use new gaskets and, if required, new locking ring When carrying out any work on gas connection fittings, connections when assembling. counterhold with a suitable tool. Never transfer any forces to the internal components. Internal gasket diameter: Gas connection Ø...
  • Page 82 Troubleshooting Repairs (cont.) 3. Check the sensor resistance. Note position of 2. Disconnect wires 7 and 8 from terminal 4. guide lug ■ Sensor 1: Connections 1 and 3 3. Check the sensor resistance. Compare the resist- ■ Sensor 2: Connections 2 and 4 ance with the value for the current temperature from the following diagram.
  • Page 83 Troubleshooting Repairs (cont.) Flue gas temperature sensor Outside temperature sensor ■ ■ Flow temperature sensor ■ Cylinder temperature sensor ■ Outlet temperature sensor ■ Temperature sensor, low loss header ■ -20 -10 0 10 20 Temperature in °C Sensor type: NTC 10 k Ω...
  • Page 84 Troubleshooting Repairs (cont.) [{] [{] [{] & Fig. 44 Check cylinder temperature sensor 10 30 50 70 90 110 Temperature in °C Fig. 45 Sensor type: NTC 10 k Ω 1. Disconnect plug TS1 from the electronics mod- 3. In the event of severe deviation (> 10 %), replace ule.

  • Page 85: Information On Replacing The Hbmu Heat Management Unit

    "www.service-assistent.info" Replacing the power cable When replacing the power cable, only use the power cable available as a spare part from Viessmann. Replacing the HMI connecting cable Please note Incorrect routing of the cable can lead to heat damage and impairment of the EMC properties.

  • Page 86: Removing The Hydraulic Unit

    Troubleshooting Repairs (cont.) 4. Remove gaskets and dispose of them. 7. Install plate heat exchanger in reverse order using new gaskets. 5. Check connections on the DHW side for scaling. Screw torque: 3.2 Nm ± Clean or replace the plate heat exchanger as required.
  • Page 87 Troubleshooting Repairs (cont.) Fig. 48...

  • Page 88: Checking The Fuse

    Troubleshooting Repairs (cont.) Checking the fuse Fig. 49 1. Switch ON/OFF switch OFF. 5. Check fuse F1 (see connection and wiring dia- gram). 2. Remove the programming unit. Danger 3. Pivot the HBMU heat management unit down. Incorrect or improperly fitted fuses can lead to an increased risk of fire.

  • Page 89: Function Description Appliance Functions

    Function description Appliance functions Heating mode Weather-compensated operation: Constant operation without room thermostat: ■ ■ The rooms are heated in accordance with the room The rooms are heated according to the time program temperature and time program settings. settings. The control unit determines a set flow temperature In the time phases at standard room temperature, for the heat generator, subject to the outside temper- the standard set flow temperature or the set comfort...
  • Page 90 Function description Appliance functions (cont.) Slope -5 -10 -15 -20 Outside temperature in °C Fig. 50 Slope setting ranges: Reduced room temperature ■ Underfloor heating systems: 0.2 to 0.8 ■ Low temperature heating systems: 0.8 to 1.6 Set room temperature Standard room temperature or comfort room tem- perature Individually adjustable for each heating circuit.

  • Page 91: Screed Drying

    Function description Appliance functions (cont.) Outside temperature in °C Fig. 53 Changing the slope Changing the level (vertical parallel offset of the heating curve) Screed drying When enabling screed drying, observe the information Observe EN 1264. The report to be provided by the provided by the screed manufacturer.
  • Page 92 Function description Appliance functions (cont.) Temperature profile B (ZV parquet and flooring technology) Days Fig. 55 Temperature profile C Days Fig. 56 Temperature profile D Days Fig. 57 Temperature profile E Days Fig. 58 Temperature profile F Days Fig. 59 Ends after 21 days.

  • Page 93: Dhw Heating

    Function description DHW heating The burner, the circulation pump and the 3-way Danger diverter valve are started or changed over if the cylin- Risk of injury due to increased DHW tempera- der temperature lies 2.5 K below the set cylinder tem- ture.

  • Page 94: Connection And Wiring Dia-Hbmu Heat Management Unit

    Connection and wiring diagram HBMU heat management unit Fig. 60 A1 HBMU heat management unit Outlet temperature sensor (combi boiler only) X... Electrical interfaces Gas solenoid valve A2 Power supply unit Fan motor a-Ö Power supply Fan motor control fÖ Vitotrol 100, type UTA 230 V connection accessories Vitotrol 100, type UTDB...
  • Page 95 Connection and wiring diagram (cont.) Fig. 61 A1 HBMU heat management unit Water pressure sensor A3 Programming unit with communication module Flue gas temperature sensor X... Electrical interfaces Boiler water temperature sensor Flow sensor (combi boiler only) Circulation pump (PWM)
  • Page 96 Connection and wiring diagram (cont.) Diverter valve stepper motor Remote control (OpenTherm device) Outside temperature sensor Cylinder temperature sensor (system boiler only)

  • Page 97: Commissioning/Service

    Commissioning/service reports Commissioning/service reports Settings and test values Set value Commission- Maintenance/ Maintenance/ service service Date Signature Static pressure mbar 57.5 ≤ 5.75 ≤ Supply pressure (flow pres- sure) For natural gas ..mbar See table "Supply pressure" For LPG ..mbar (Commis- sioning ...)

  • Page 98: Specification Specification

    Specification Specification Gas condensing combi boiler Gas boiler, type B and C, category II 2N3P Type B1KF-26 B1KF-30 B1KF-35 Rated heating output range (details to EN 15502) = 50/30 °C Natural gas 3.2 (5.7 3.2 (5.7 3.2 (5.7 25.0 25.0 32.0 3.2 - 25.0 3.2 - 25.0...
  • Page 99 Specification Specification (cont.) Gas boiler, type B and C, category II 2N3P Type B1KF-26 B1KF-30 B1KF-35 Rated heating output range (details to EN 15502) = 50/30 °C Natural gas 3.2 (5.7 3.2 (5.7 3.2 (5.7 25.0 25.0 32.0 3.2 - 25.0 3.2 - 25.0 3.2 - 32.0 = 80/60 °C...
  • Page 100 Specification Specification (cont.) Gas boiler, type B and C, category II 2N3P Type B1KF-26 B1KF-30 B1KF-35 Rated heating output range (details to EN 15502) = 50/30 °C Natural gas 3.2 (5.7 3.2 (5.7 3.2 (5.7 25.0 25.0 32.0 3.2 - 25.0 3.2 - 25.0 3.2 - 32.0 = 80/60 °C...
  • Page 101 Specification Specification (cont.) Gas boiler, type B and C, category II 2N3P Type B1KF-26 B1KF-30 B1KF-35 Rated heating output range (details to EN 15502) = 50/30 °C Natural gas 3.2 (5.7 3.2 (5.7 3.2 (5.7 25.0 25.0 32.0 3.2 - 25.0 3.2 - 25.0 3.2 - 32.0 = 80/60 °C...

  • Page 102: Electronic Combustion Control Unit

    Specification (cont.) Flue system types Available in the following countries Flue system types AE, AM, AZ, BA, BG, BY, CH, CY, CZ, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, KG, KZ, LT, LV, MD, (10)3 (11)3 (13)3 (14)3...

  • Page 103: Disposal Final Decommissioning And Disposal

    Disposal Final decommissioning and disposal Viessmann products can be recycled. Components For decommissioning, isolate the system from the and substances from the system are not part of ordi- power supply and allow components to cool down nary domestic waste. where appropriate.

  • Page 104: Certificates Declaration Of Conformity

    Directive 2014/53/EU. Manufacturer's certificate according to the 1st BImSchV [Germany] We, Viessmann Climate Solutions SE, D-35108 Allendorf, confirm that the product Vitodens 100-W complies with the NO limits specified by the 1st BImSchV, paragraph 6 [Germany].

  • Page 105: Keyword Index

    Keyword index Keyword index ..................8 Gas solenoid valve.............40 Gas supply pressure..........40 Angle of penetration........... 28 Gas type..............38 Gas type conversion..........38 Back draught safety device........48 Boiler water temperature sensor........ 81 Heating curve............55, 89 Burner gasket.............47 Heating curve level.............90 Burner gauze assembly..........
  • Page 106 Keyword index Keyword index (cont.) PlusBus subscribers Subscriber number of connected component.... 63 – Number..............25 Supply pressure........... 40, 41 Port 123..............28 Switch S1..............59 Port 443..............28 System configuration..........32, 56 Port 80................28 System pressure............37 Port 8883..............28 System requirements..........28 System schemes............55 Range of WiFi connections........
  • Page 108 Viessmann Werke GmbH & Co. KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com Fax: +44 1952 675040 E-mail: info-uk@viessmann.com...

This manual is also suitable for:

Vitodens 100-w b1kf seriesVitodens 100-w b1hf-m seriesVitodens 100-w b1kf-m seriesVitodens 100-w b1kf-26Vitodens 100-w b1kf-30Vitodens 100-w b1kf-35

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