Viessmann B1KE Combi Series Installation And Service Instructions Manual
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Viessmann B1KE Combi Series Installation And Service Instructions Manual

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Installation and Service
Instructions
for use by heating contractor
Vitodens 100-W
B1HE Series and B1KE Combi Series
Wall mounted gas-fired condensing boiler with
3.5 inch black/white display
On demand domestic Hot Water with Combi Boilers
For operation with natural gas or liquid propane gas
Heating input: 8.5 to 199 MBH
2.5 to 58.3 kW
VITODENS 100-W
6167 818 - 10
10/2022
H
Product may not be exactly as shown
IMPORTANT
Read and save these instructions
for future reference.
Please file in Service Binder

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Summary of Contents for Viessmann B1KE Combi Series

  • Page 1 Installation and Service Instructions for use by heating contractor Vitodens 100-W B1HE Series and B1KE Combi Series Wall mounted gas-fired condensing boiler with 3.5 inch black/white display On demand domestic Hot Water with Combi Boilers For operation with natural gas or liquid propane gas Heating input: 8.5 to 199 MBH...

  • Page 2: Safety, Installation And Warranty Requirements

     For information pertaining to inhabitants and destructive to venting and chimney requirements, Viessmann equipment. please see section entitled “Venting Connection”. All products of  For a listing of chemicals which combustion must be safely vented cannot be stored in or near the to the outdoors.

  • Page 3: Table Of Contents

    Table of Contents Vitodens 100-W, B1HE/B1KE Combi Installation/Service Page Safety Safety, Installation and Warranty Requirements ....2 Important Regulatory and Installation Requirements ..5 General Information About these Installation Instructions ......6 Applicability ..............7 Mechanical Room ............8 Product Information ............9 System Examples ............10 Fitting and Sealing Points .........10 Dimensions Minimum Clearances ..........10...
  • Page 4 Table of Contents Vitodens 100-W, B1HE/B1KE Combi Installation/Service Page Service Removing the Burner ..........50 Checking the Burner Gasket and Flame Body Assembly ..51 Checking and Adjusting the Ignition and Ionization Electrodes ..........53 Checking the Flue Gas Flapper ........53 Cleaning the Heating Surfaces ........54 Check Condensate Drain / Cleaning the Siphon Trays..55 Installing the Burner ..........56 Checking the Neutralization System (if Installed) ..57...

  • Page 5: Important Regulatory And Installation Requirements

    CAN/ the system operator/ultimate owner where the literature can be found. Contact Viessmann for CSA-B149.1 or .2 Installation Codes for Gas Burning Appliances for Canada. For U.S. installations use the additional copies.

  • Page 6: About These Installation Instructions

    Leave all literature at the installation site and advise Technical literature the system operator/ultimate owner where the Literature for the Vitodens boiler: literature can be found. Contact Viessmann for - Technical Data Manual additional copies. - Installation and Service Instructions...

  • Page 7: Applicability

    General Information Vitodens 100-W, B1HE/B1KE Combi Installation/Service Applicability IMPORTANT The boiler serial number must be provided when ordering replacement parts. Both the 16-digit serial number bar code on the rating plate and the 12-digit ASME serial number correlate to each other. Providing either serial number is sufficient.

  • Page 8: Mechanical Room

    General Information Vitodens 100-W, B1HE/B1KE Combi Installation/Service Mechanical Room During the early stages of new home design, we Installation area conditions recommend that proper consideration be given to Ensure ambient temperatures are higher than 32°F  constructing a separate mechanical room dedicated to (0°C) and lower than 95°F (35°C).

  • Page 9: Product Information

    General Information Vitodens 100-W, B1HE/B1KE Combi Installation/Service Product Information Vitodens 100-W, type B1HE, B1KE Rating plate Wall mounted gas condensing boiler with Inox-Radial heat exchanger and the following integrated components: Modulating MatrixPlus burner for natural gas and LPG  Hydraulics with 3-way diverter valve and high ...

  • Page 10: System Examples

    Dimensions Vitodens 100-W, B1HE/B1KE Combi Installation/Service System Examples System examples with hydraulic and electrical connection schemes and function descriptions are available to help setting up the heating system, refer to the system layouts starting on page 33. Fittings and Sealing Points All connections on the boiler must be fitted with new gaskets after opening or loosening.

  • Page 11: Boiler Dimensions

    Dimensions Vitodens 100-W, B1HE/B1KE Combi Installation/Service Boiler Dimensions B1HE/B1KE 85 and 120 Front view Side view Legend A Safety valve, pressure gauge connection B Condensate drain C Heating system supply D For B1HE series, DHW tank heating supply For B1KE series, DHW E For B1HE series, DHW tank heating return For B1KE series, DCW F Heating system return...
  • Page 12 Dimensions Vitodens 100-W, B1HE/B1KE Combi Installation/Service Boiler Dimensions (continued) B1HE/B1KE 150 and 199 Front view Side view Legend A Safety valve, pressure gauge connection B Condensate drain C Heating system supply D For B1HE series, DHW tank heating supply For B1KE series, DHW E Fuel gas connection F For B1HE series, DHW tank heating return For B1KE series, DCW...

  • Page 13: Mounting The Boiler And Making Connections

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Mounting the Boiler and Making Connections Removing the front panel 1. Unlock the front panel on the underside (push in), using a screwdriver or similar tool. 2. Swivel the front panel forwards slightly and lift away upwards.
  • Page 14 Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Mounting the Boiler and Making Connections (continued) Boiler mounting bracket installation on wood studs Install mounting bracket on wood studs as per illustration. Drill in. pilot holes to insert mounting bolts. Ensure that holes are located in the center of each wood stud. Secure with bolts to wooden studs as shown.
  • Page 15 Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Mounting the Boiler and Making Connections (continued) Note: Various installation components can be found installation fittings kit. Keep the installation components safe, as they will be required for later installation. Note: To prevent dirt from entering the connections: Do not remove the protective caps until you are about to fit the boiler.
  • Page 16 Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Mounting the Boiler and Making Connections (continued) Fitting the programming unit mounting bracket on the top 4. Disconnect the plug of the connecting cable from the of the boiler bracket. Note: Incorrect routing of the cable can lead to heat In the delivered condition, the programming unit is located damage and impairment of the EMC properties.
  • Page 17 Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Mounting the Boiler and Making Connections (continued) Connections on the heating water and DHW sides If the connections have not been fitted previously, make the connections on the heating water and DHW sides. Note: If no tank is connected, close off the tank supply B1HE/KE 85/120 and return with caps (B1HE only).

  • Page 18: Piping Connections

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Piping Connections (continued) Gas connection and piping (continued) 1. Make gas connections in accordance with codes CAN/CSA B149.1 or 2 in Canada. In the United States, use the National Fuel Gas Code ANSI Z223.1/NFPA 54, as well as local codes for gas B1HE/KE 85/120 piping requirements and sizing.
  • Page 19 Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Piping Connections (continued) Heating water connections 1. Thoroughly flush heating system (particularly before connecting the boiler to an existing system). 2. Connect boiler to the heating system. Note: Use an approved pipe sealant or teflon tape when connecting the installation fittings.
  • Page 20 Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Condensate Connection Condensate connection The Vitodens 100-W B1HE/KE boiler comes with a built-in condensate trap. An external trap is not required when connecting the field drain to flexible discharge tubing. Discharge tubing (field supplied) must be of 1 in. diameter. Use CPVC, PVC or other material approved by codes listed below.

  • Page 21: Neutralization Unit

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Condensate Connection (continued) Filling the trap with water Pour at least 10 oz (0.3 L) of water into the flue gas connection. IMPORTANT During commissioning, flue gas may escape from the condensate drain. Always fill the trap with water before commissioning. Note: If there is a risk of frost, only fill the trap just before commissioning.

  • Page 22: Dhw Tank Connection

    Viessmann DHW storage tank when mounting and secur- ing DHW tank temperature sensor %. WARNING If a DHW storage tank other than a Viessmann Vitocell 300 tank is used, the installer must verify proper operation of the Viessmann DHW tank temperature sensor with original manufacturer of the tank.

  • Page 23: Safety Valve

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Safety Valve Fit the safety valve: 1. Install safety valve A onto brass adapter B and tighten. 2. Screw pressure gauge E onto brass adapter B. 3. Fit brass adapter B to the boiler with retaining clip C. Secure retaining clip C with cable tie D.

  • Page 24: Flue Gas Connection

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Flue Gas Connection Refer to the Vitodens Venting System WARNING installation instructions Leaking or blocked flue systems, or an inadequate Only carry out commissioning when the following supply of combustion air can cause life threatening conditions have been met: poisoning from carbon monoxide in the flue gas.

  • Page 25: Electrical Connections

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Electrical Connections Opening the junction box IMPORTANT Electronic assemblies can be damaged by electrostatic discharge. Before beginning work, touch grounded objects, such as water pipes, to discharge any static. Placing the control base in the service position 1.
  • Page 26 Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Electrical Connections (continued) On-site connections to the HMU heat management unit Required plugs are supplied in separate packaging.  For cables without strain relief bushings, provide strain  relief in the junction box in the form of cable ties. Outside temperature sensor ! Sensor location: - North or northwest wall of building...
  • Page 27 Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Electrical Connections (continued) Floating switching contact connection Assigning functions in the commissioning assistant Connection to plug lH – terminals 5 and 6. See commissioning assistant in “Commissioning”. The following function can be connected: Call for heat. Contact closed –...
  • Page 28 Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Electrical Connections (continued) The Vitodens 100-W comes with a pre-installed convience plug for the boiler power supply, if required this convience plug can be removed in the junction box for field wiring of the boiler power supply requirements: 120VAC/60Hz/12A Refer to the wiring diagram on page 97.

  • Page 29: Wifi Operational Reliability And System Requirements

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service WiFi Operational Reliability and System Requirements WiFi router system requirement WiFi router with activated WiFi:  The WiFi router must be protected by a sufficiently secure WPA2 password. The WiFi router must always have the latest firmware update.

  • Page 30: Closing The Junction Box

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Closing the Junction Box IMPORTANT Do not operate the control unit without a “junction box lid”. The junction box lid in the control unit enclosure separates the mains and extra low voltage potential and seals it off from the air box.

  • Page 31: Fitting The Programming Unit And Front Panel

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fitting the Programming Unit and Front Panel (continued) Programming unit located at the top Legend A Lightguide (at the top) B WiFi label 1. Install the mounting panel for the programming unit 3. Turn Lightguide A around and clip it into place at at the top.

  • Page 32: Adjusting Pump Rate Of Integral Pump

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Adjusting Pump Rate of Integrated Circulation Pump Boiler model Factory-set speed Residual Head B1HE/KE 85-120 setings in % B1HE 85 B1HE/KE 120 B1HE 150 B1HE/KE 199 Speed setting (%): Parameter 1100.2 in the Boiler group Note: Minimum adjustment of boiler pump speed setting is 50% for all models.

  • Page 33: System Layout 1

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service System Layout 1 Vitodens 100-W, B1HE 85, 120, 150, 199 with DHW storage tank one heating circuit connected directly to the boiler Legend Note: Refer to the residual head curves on page 32. PRV Pressure relief valve The use of a low-loss header is recommended if TPV Temperature and pressure relief valve the water flow rate is above or below the operating...

  • Page 34: System Layout 2

    TPV Temperature and pressure relief valve A Vitodens 100-W gas-fired condensing boiler DHW supply and return piping between boiler DHW connections and the Viessmann DHW tank connections, B External boiler controller with room thermostat shall be a minimum of 1a in. nominal pipe diameter.

  • Page 35: System Layout 3

    Heating circuit pump P2 DHW storage tank DHW supply and return piping between boiler DHW connections and the Viessmann DHW tank connections, DHW tank temperature sensor (or DHW temperature shall be a minimum of 1a in. nominal pipe diameter. switch) Closely spaced tees, 4x pipe Ø...

  • Page 36: System Layout 4

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service System Layout 4 Vitodens 100-W, B1KE 120, 199 with one heating circuit connected directly to the boiler Legend Pressure relief valve (boiler) Note: Refer to the residual head curves on page 32. DPRV Pressure relief valve (DHW 150 psi) The use of a low-loss header is recommended if WSE Water softener equipment the water flow rate is above or below the operating...

  • Page 37: System Layout 5

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service System Layout 5 Vitodens 100-W, B1KE 120, 199 with... low-loss header one heating circuit Legend Pressure relief valve (boiler) Note: Refer to the residual head curves on page 32. DPRV Pressure relief valve (DHW 150 psi) The use of a low-loss header is recommended if WSE Water softener equipment the water flow rate is above or below the operating...

  • Page 38: System Layout 6

    A low-loss header offers additional benefits not External system controller with room thermostat provided by a pair of closely spaced tees. connection (field supplied) Viessmann strongly recommends and prefers the Heating circuit use of a low-loss header over closely spaced tees. Heating circuit pump Closely spaced tees, 4x pipe Ø...

  • Page 39: Boiler With Low Water Cut-Off (Remote Mounted, Field Supplied)

    Installation Vitodens 100-W, B1HE/B1KE Combi Installation/Service Boiler with Low Water Cut-off (remote-mounted, field supplied) A low water cut-off may be required by local codes. Do not install an isolation valve between boiler and low Air Vent Air Vent water cut-off. Follow the installation instructions of the low water cut-off manufacturer.

  • Page 40: Commission The System With The Commissioning Assistant

    Commissioning Vitodens 100-W, B1HE/B1KE Combi Installation/Service Commissioning the System with the Commissioning Assistant Commissioning assistant IMPORTANT 1. Open the gas shut-off valve. Only commission the boiler with a fully filled siphon trap. If the boiler has not been switched on yet: ...
  • Page 41 Commissioning Vitodens 100-W, B1HE/B1KE Combi Installation/Service Commissioning the System with the Commissioning Assistant (continued) Commissioning assistant sequence Explanations and references Operating mode Outside temperature sensor connected. Weather-compensated  With outside temperature value. Constant operation  System scheme Settings for DHW heating according to the system components Not installed System without DHW heating ...

  • Page 42: Filling The Heating System

    Check total system frequently when filled with antifreeze. If plastic tubing without an oxygen diffusion barrier Advise system operator/ultimate owner that system is is used in underfloor heating systems, Viessmann filled with a glycol mix. recommends that such systems be separated from the The heating contractor must provide a MSDS (Material boiler with a heat exchanger.
  • Page 43 Commissioning Vitodens 100-W, B1HE/B1KE Combi Installation/Service Filling the Heating System (continued) 1. Check the pre-charge pressure of the expansion tank. 2. Close gas shut-off valve A. 3. Fill the heating system at boiler fill valve B in the heating return (on site). Minimum system pressure >...

  • Page 44: Checking All Connections On The Heating Water And Dhw Sides For Leaks

    Commissioning Vitodens 100-W, B1HE/B1KE Combi Installation/Service Checking All Connections on the Heating Water and DHW Sides for Leaks WARNING Risk of electric shock from escaping heating water or DHW. When commissioning and after carrying out maintenance work, check all water side connections for leaks.

  • Page 45: Converting The Gas Type For Operation With Lpg

    Commissioning Vitodens 100-W, B1HE/B1KE Combi Installation/Service Converting the Gas Type for Operation with LPG 1. To change the gas type on the control unit, see “Commissioning the system with the commissioning assistant” Note: No mechanical adjustments are made to the gas solenoid valve.

  • Page 46: Removing The Programming Unit To The Maintenance Position

    Commissioning Vitodens 100-W, B1HE/B1KE Combi Installation/Service Moving the Programming Unit to the Maintenance Position To facilitate certain maintenance tasks, move the programming unit up or down, depending where it is located. HMI mounted at the top HMI mounted at the bottom Do not disconnect the plug from the mounting panel.

  • Page 47: Checking The Static Pressure And Supply Pressure

    Commissioning Vitodens 100-W, B1HE/B1KE Combi Installation/Service Checking the Static Pressure and Supply Pressure 8. All measurements must be made under high-fire conditions. Note: Use suitable measuring instruments calibrated with a minimum resolution of 0.04 “w.c. for measuring the running pressure. Measure the running pressure;...

  • Page 48: Function Sequenceand Possible Faults

    Commissioning Vitodens 100-W, B1HE/B1KE Combi Installation/Service Function Sequence and Possible Faults For further details regarding faults, see “Troubleshooting”.

  • Page 49: Seal Test On Coaxial Flue System (Annular Gap Check)

    Seal Test on Coaxial Flue System (annular gap check) For sealed combustion, coaxial vent only Viessmann strongly recommends that the heating contractor perform a simplified leak test during boiler start-up. For this purpose it is sufficient to measure the concentration of the combustion air in the coaxial gap of the air intake pipe.

  • Page 50: Removing The Burner

    Service Vitodens 100-W, B1HE/B1KE Combi Installation/Service Removing the Burner Note: If the programming unit is located at the top: Move the programming unit down into the maintenance position. See page 46. 1. Turn off the ON/OFF switch. 2. Close the gas shut-off valve and safeguard against reopening.

  • Page 51: Checking The Burner Gasket And Flame Body Assembly

    Service Vitodens 100-W, B1HE/B1KE Combi Installation/Service Checking the Burner Gasket and Flame Body Assembly B1HE/KE 85 and 120 1. Disconnect plug with ignition electrode leads from Check flame body assembly D, electrodes B, thermal ignition unit A. insulation ring F and gasket G for damage. Only remove and replace components if they are damaged 2.
  • Page 52 Service Vitodens 100-W, B1HE/B1KE Combi Installation/Service Checking the Burner Gasket and Flame Body Assembly (continued) B1HE/KE 150 and 199 Check flame body assembly D, electrodes B, thermal 4. Loosen the 4 torx screws C. Remove any seal insulation ring F and gasket G for damage. Only remove residues if necessary.

  • Page 53: Checking And Adjusting The Ignition And Ionization Electrodes

    Service Vitodens 100-W, B1HE/B1KE Combi Installation/Service Checking and Adjusting the Ignition and Ionization Electrodes 1. Check the electrodes for wear and contamination. 2. Clean the electrodes with a small brush (not a wire brush) or sandpaper. 3. Check the electrode gaps. If the gaps are not as specified or the electrodes are damaged, replace the electrodes and gaskets and adjust them as required.

  • Page 54: Cleaning The Heating Surfaces

    If the gaps between the heat exchanger coil windings are plugged, carefully remove debris without scratching the heat exchanger surface using the Viessmann tool specific for this purpose. Tool part number 7858492; Replacement blade part number 7840346. Flush the combustion chamber A with water until it runs clear through the condensate trap.

  • Page 55: Check Condensate Drain / Cleaning The Siphon Trays

    Service Vitodens 100-W, B1HE/B1KE Combi Installation/Service Check the Condensate Drain / Cleaning the Siphon Trap IMPORTANT Prevent damage due to condensate. Cover electronic components. 1. Cover electronic components with suitable watertight 8. Refit supply hose, ensure the clip is sealed and material.

  • Page 56: Installing The Burner

    Service Vitodens 100-W, B1HE/B1KE Combi Installation/Service Installing the Burner 1. If necessary, move the programming unit. 2. Insert the burner. Tighten screws F diagonally. Torque: 35 lb.in (4 Nm). 3. Fit gas supply pipe E with a new gasket. Torque: 22 lb.ft (30 Nm). WARNING Do not damage the gas pipe! The gas pipe must not come into contact with any...

  • Page 57: Checking The Neutralization System (If Installed)

    Service Vitodens 100-W, B1HE/B1KE Combi Installation/Service Checking the Neutralizing System (if installed) Checking the Flow Limiter (only for gas condensing combi boiler) 1. Remove the control unit. B1KE 120 Remove the burner. Drain the boiler on the DHW side. Remove the spring clip. ...

  • Page 58: Checking The Expansion Tank (On Site) And System

    Service Vitodens 100-W, B1HE/B1KE Combi Installation/Service Checking the Expansion Tank (on site) and System Pressure Perform check with the system cold. 3. Top up with water until filling pressure is higher than the inlet pressure of the diaphragm expansion tank. 1.

  • Page 59: Checking The Combustion Quality

    Service Vitodens 100-W, B1HE/B1KE Combi Installation/Service Checking the Combustion Quality The Vitodens 100-W is factory set for operation with Permissible CO or O content natural gas. Operation with natural gas The electronic combustion controller automatically ensures CO 2 content: 6.9 - 11% ...

  • Page 60: Checking The Co 2 Content / Relay Tests

    Service Vitodens 100-W, B1HE/B1KE Combi Installation/Service Checking the CO Content / Relay Tests Setting the upper/lower heating output 6. Use to select “Burner mod. set value”. Note: Ensure adequate heat transfer. 7. OK Tap the following buttons: 8. Set the lower heating output: and OK simultaneously for approx.

  • Page 61: Instructing The System User

    System Configuration (parameters) Vitodens 100-W, B1HE/B1KE Combi Installation/Service Instructing the System User The system manufacturer must provide the operator of the system with the operating instructions and instruct the operator in the system operation. This also includes all components added as accessories, e.g.

  • Page 62: General

    System Configuration (parameters) Vitodens 100-W, B1HE/B1KE Combi Installation/Service General Note: Parameter values in bold are factory settings. 508.0 “UTC time zone” Setting Explanations Setting of the UTC time zone in which the boiler is located. The factory setting is UTC +1 h –24 to +24 Time difference adjustable from –12 h to +12 h in increments of 0.5 h 896.0 “Display correction for outside temperature”...

  • Page 63: Boiler

    System Configuration (parameters) Vitodens 100-W, B1HE/B1KE Combi Installation/Service General (continued) Note: Parameter values in bold are factory settings. 1098.5 “Calorific value” Setting Explanations Value is provided on the gas supplier’s bill. Used for gas consumption data. 10,0000 Calorific value adjustable from 5.0000 to 40.0000 kWh/m in increments of 0.0001 5.0000 to 40.0000 If you don’t have a supplier’s bill...
  • Page 64 System Configuration (parameters) Vitodens 100-W, B1HE/B1KE Combi Installation/Service Boiler (continued) Note: Parameter values in bold are factory settings. 1100.2 “Set speed of the primary circuit pump in heating mode” Setting Explanations Target speed of internal circulation pump In heating operation ...

  • Page 65: Dhw

    System Configuration (parameters) Vitodens 100-W, B1HE/B1KE Combi Installation/Service Note: Parameter values in bold are factory settings. 396.0 “Target DHW temperature” Setting Explanations Factory setting depends on boiler 497.0 “Operating mode of DHW recirculation pump” Setting Explanations DHW recirculation pump: Time program Selected cycle (see parameter 497.3) 497.1 “DHW recirculation pump for hygiene function”...
  • Page 66 System Configuration (parameters) Vitodens 100-W, B1HE/B1KE Combi Installation/Service (continued) 534.0 “Circulation pump run-on” Setting Explanations Circulation pump run-on after storage tank heating 120 s Factory setting 120 sec run-on 0 to 900 Run-on time adjustable from 0 to 900 sec in 60 sec increments (the run-on time is rounded down to full minutes) Note: To avoid damaging the boiler, do not set the run on time to <...

  • Page 67: Service Menu

    Diagnostics and Service Checks Vitodens 100-W, B1HE/B1KE Combi Installation/Service Service Menu Calling up the service menu Leaving the service menu Tap the following buttons: Tap the following buttons: and OK simultaneously for approx. 4 sec, then “ “ for 4 sec. Note: The system exits the service menu automatically release.
  • Page 68 Diagnostics and Service Checks Vitodens 100-W, B1HE/B1KE Combi Installation/Service Checking Outputs (actuator test) (continued) The following actuator functions can be controlled subject to the system and boiler equipment level: Display Explanation Boiler group Fan speed Target value Burner fan speed in rpm (rotations/minute) Burner modulation, Modulation level ...

  • Page 69: Fault Display On The Programming Unit

    Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Display on the Programming Unit To identify the affected module, check the position If there is a fault, the display shows “Burner fault” or of rotary switch S1 on the module if necessary. “Active messages”.
  • Page 70 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Display on the Programming Unit (continued) Further messages Service messages Message on the display Meaning Interval until the next service. Top up heating water. Service due after burner hours run. Status messages Message on the display Meaning S.60 Summer mode active (outside temperature economy function)

  • Page 71: Overview Of Electronic Modules

    Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Overview of Electronics Modules Legend A BCU burner control unit B HMU heat management unit with wiring panel C HMI programming unit with WiFi communication module...

  • Page 72: Fault Messages

    Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Note: For diagnostics and troubleshooting, see chapter “Repairs”. Fault messages dependent on boiler equipment level Displayed System characteristics Cause Measures fault code System continues op- Lead break or short Check plug 33/X6 and cable: erating in normal mode circuit Check voltage level, to see if 5V present at plug 33,...
  • Page 73 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages (continued) Displayed System characteristics Cause Measures fault code F.62 Burner in a fault state High limit safety cut- Check heating system fill level.  out has responded. Check pre-charge pressure in diaphragm expansion ...
  • Page 74 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages (continued) Displayed System characteristics Cause Measures fault code F.70 Burner in a fault state Internal error burner Replace BCU burner control unit: control unit See page 89. F.71 Burner in a fault state Fan speed too low Check fan for blockage.
  • Page 75 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages (continued) Displayed System characteristics Cause Measures fault code F.182 No DHW heating Short circuit, outlet Check outlet temperature sensor (plug X1, cores 13 and temperature sensor 14). Measure sensor input on electronics module. (if installed) Target value: 3.3V–...
  • Page 76 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages (continued) Displayed System characteristics Cause Measures fault code F.346 Burner in a fault state Ionization current Check the gas supply pressure.  calibration error Check gas solenoid valve strainer on the inlet side ...
  • Page 77 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages (continued) Displayed System characteristics Cause Measures fault code F.359 Burner in a fault state No ignition spark Check whether the ignition electrode insulation is  damaged. Check for a voltage of 120V~ at the ignition module ...
  • Page 78 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages (continued) Displayed System characteristics Cause Measures fault code F.377 Burner in a fault state Post-processing of Check gas type setting. If fault recurs, replace BCU ionization adjustment: burner control unit: See page 89. Stabilization conditions Reset the boiler.
  • Page 79 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages (continued) Displayed System characteristics Cause Measures fault code F.395 Burner in a fault state IO electrode ground Check ignition electrode for ground fault. fault, BCU burner If fault persists, replace BCU burner control unit: control unit faulty See page 89.
  • Page 80 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages (continued) Displayed System characteristics Cause Measures fault code F.447, Burner in a fault state Deviation, ionization Replace BCU burner control unit: F.448 current signal See page 89. Reset the boiler. F.449, Burner in a fault state Error in scheduled Reset the boiler.
  • Page 81 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Fault Messages (continued) (continued) (continued) Displayed System characteristics Cause Measures fault code F.467 Burner in a fault state Gas supply insufficient Test static gas pressure and gas flow pressure.  during calibration.

  • Page 82: Repairs

    Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Repairs (continued) (continued) Shutting down the boiler IMPORTANT 1. Switch off the power supply. Residual water will escape when the boiler or one of the 2. Shut off the gas supply. following components is fitted or removed: 3.
  • Page 83 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Repairs (continued) (continued) (continued) Tank temperature sensor/outlet temperature sensor 1. Check lead and plug of tank temperature sensor % or outlet temperature sensor $. 2. Disconnect wires of sensor plug. 3.
  • Page 84 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Repairs (continued) The brazed plate heat exchangers operate with high turbulence flow, even at low flow rates. This high turbulence keeps small particles in suspension minimizing fouling and scaling. In some applications the fouling can be very high (e.g.
  • Page 85 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Repairs (continued) (continued) (continued) Checking the plate heat exchanger B1KE-120 B1KE-199 Legend A Heating water supply B Heating water return C Cold water D DHW...
  • Page 86 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Repairs (continued) (continued) (continued) Removing the hydraulic unit 1. Shut off and drain the boiler on the heating water If components of the hydraulic unit have to be and DHW sides. replaced.
  • Page 87 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Repairs (continued) (continued) (continued) B1HE/KE 85/120 1. Remove the control unit. 6. Pull off the clips. Push the supply pipe upwards. Note: If necessary, the safety valve with drain must 2.
  • Page 88 Troubleshooting Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Repairs (continued) (continued) (continued) B1HE/KE 150/199 60 lb.ft (80 Nm) 1. Remove the control unit. 6. Remove the screws on the hydraulic plate at the bottom of the boiler. 2. Loosen the union nut on the gas pipe. Note: Hold the union nut in place (with an open ended 7.

  • Page 89: Opening The Junction Box

    Troubleshooting / Function Description Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Repairs (continued) (continued) (continued) Checking the fuse 1. Turn off the ON/OFF switch. 2. Depending on the configuration: Move programming unit together with bracket to maintenance position. 3.
  • Page 90 Function Description Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Opening the Junction Box (continued) (continued) (continued) 5. Now the separation wall can be removed. Pull it vertically upwards out of the lateral guides to its left and right. 6.

  • Page 91: Boiler Functions

    Function Description Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Boiler Functions (continued) (continued) Heating operation Purging program Weather-compensated operation: During the purging program, the circulation pump will  The control unit determines a target supply temperature be alternately switched on and off for 30 sec over a for the boiler, subject to the outside temperature and the period of 20 min.

  • Page 92: Dhw Heating

    Function Description Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages DHW Heating (continued) (continued) Vitodens 100, type B1HE Tank with temperature switch (Aquastat) The burner, circulation pump and 3-way diverter valve The max. permissible target value of the boiler are started or changed over if the tank temperature is (depending on the boiler) is taken as the target.

  • Page 93: Overview Of The Modules

    Wiring Diagram Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Overview of the Modules (continued) (continued) Legend A1 HMU heat management unit A2 Wiring panel A3 BCU burner control unit A5 HMI programming unit with communication module (TCU 200) A6 ON/OFF switch...

  • Page 94: Hmu Heat Management Unit

    Wiring Diagram Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages HMU Heat Management Unit (continued) (continued) Legend HMU heat management unit HMI programming unit with communication module (TCU 200) Power supply unit ! Outside temperature sensor (for weather-compensated operation) % Tank temperature sensor Power supply fÖ...

  • Page 95: Bcu Burner Control Unit

    Wiring Diagram Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages BCU Burner Control Unit (continued) (continued) Legend A3 BCU burner control unit F Boiler flow switch A HMU heat management unit (plug 156) G Ignition unit and flame monitoring B HMU heat management unit (terminal X4) H DHW flow switch (B1KE only) C Flue gas temperature sensor...

  • Page 96: Wiring Panel

    Wiring Diagram Vitodens 100-W, B1HE/B1KE Combi Installation/Service Fault Messages Fault Messages Wiring Panel (continued) (continued) Legend A2 Wiring panel A6 ON/OFF switch fÖ ON/OFF switch abH Switched mains output 120VAC, 60 Hz (max. 36 Watts) P1 Optional DHW pump P2 Circulation pump, zone 1 lH Connecting the temperature controller (function of plug 96) % Tank temperature sensor or temperature switch (Aquastat) B1HE only ! Outside temperature sensor...

  • Page 97: B1He Models 85 / 120 / 150 / 199

    Wiring Diagram Vitodens 100-W, B1HE/B1KE Combi Installation/Service B1HE Models 85 / 120 / 150 / 199...

  • Page 98: B1Ke Models 120 / 199

    Wiring Diagram Vitodens 100-W, B1HE/B1KE Combi Installation/Service B1KE Models 120 / 199...

  • Page 99: Service Reports

    Maintenance Record Vitodens 100-W, B1HE/B1KE Combi Installation/Service Service Reports * Fuel type, altitude, venting and other site parameters may change.

  • Page 100: Technical Data

    Specification Vitodens 100-W, B1HE/B1KE Combi Installation/Service Technical Data Gas condensing system boiler Boiler Model B1HE-85 B1HE-120 B1HE-150 B1HE-199 B1KE-120 B1KE-199 CSA input Natural gas (NG) 8.5-85 12-120 15.5-150 19.9-199 12-120 19.9-199 2.5-24.9 3.5-35.2 4.5-44.0 5.8-58.3 3.5-35.2 5.8-58.3 CSA input Liquid propane Gas (LPG) 14-85 14-120 22.7-150...
  • Page 101 Specification Vitodens 100-W, B1HE/B1KE Combi Installation/Service Technical Data (continued) Boiler Model No. B1HE-85 B1HE-120 B1HE-150 B1HE-199 B1KE-120 B1KE-199 Gas supply connection NPTM (male) c in c in c in c in c in c in Flue gas * Temperature at boiler return temperature of 86ºF (30ºC) at rated full load...
  • Page 102 Specification Vitodens 100-W, B1HE/B1KE Combi Installation/Service Technical Data (continued) B1KE on demand hot water operation Boiler Model No. B1KE-120 B1KE-199 Max. Input NG and LPG (DHW production only) 41.0 58.3 Max. boiler temperature (during DHW production) ºF (ºC) 194 (90) 194 (90) DHW supply temperature ºF (ºC)

  • Page 103: Parts List

    B1HE-85 7722772  B1HE-120 7722773 Ordering Parts: Please provide Serial Number A when ordering replacement parts. Order replacement components from your Viessmann distributor. 0001 Casing 0002 Cable Set 0003 Hydraulic System 0004 Heat Cell 0005 Other 0001 0006 Electronic Equipment...
  • Page 104 Serial No.  B1KE-120 7722776 Ordering Parts: Please provide Serial Number A when ordering replacement parts. Order replacement components from your Viessmann distributor. 0001 Casing 0002 Cable Set 0003 Hydraulic System 0004 Heat Cell 0005 Other 0006 Electronic Equipment 0001...
  • Page 105 B1HE-150 7722774  B1HE-199 7722775 Ordering Parts: Please provide Serial Number A when ordering replacement parts. Order replacement components from your Viessmann distributor. 0001 Casing 0002 Cable Set 0003 Hydraulic System 0004 Heat Cell 0005 Other 0001 0006 Electronic Equipment...
  • Page 106 Serial No.  B1KE-199 7722777 Ordering Parts: Please provide Serial Number A when ordering replacement parts. Order replacement components from your Viessmann distributor. 0001 Casing 0002 Cable Set 0003 Hydraulic System 0004 Heat Cell 0005 Other 0001 0006 Electronic Equipment...
  • Page 107 7722776  B1KE-199 7722777 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Casing 0001 Front cover 0002 Seal cover 0003 Seal profile 0004 Hinge 0005 Hinge bottom (2 pcs) 0006 Diaphragm grommet 88.9 mm...
  • Page 108  B1KE-120 7722776 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Heat Cell 0001 Heat exchanger 0002 Connection elbow HV 0003 Connection elbow HR 0004 Gasket set connection elbow 0005 Insulation block...
  • Page 109 B1KE-199 7722777 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Heat Cell 0001 Connection elbow 0002 Gasket set connection elbow 0003 Thermal insulation block separation plate 0004 Boiler flue connection 80/125...
  • Page 110 B1KE-120 7722776 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Burner 0001 Cylinder flame body Matrix Plus 0002 Thermal insulation ring with Mutlitherm 0003 Gasket set incl. screws 0004 Burner door...
  • Page 111  B1KE-199 7722777 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Burner 0001 Flame body assembly 0002 Thermal insulation ring 0003 Burner door 0004 Ignition transformer 0005 Ignition + IO electrode...
  • Page 112  B1HE-120 7722773 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Hydraulic System 0001 Diaphragm grommet 0002 Hydraulics flow pipe 0003 VT flow pipe with O-rings 0004 Connection pipe return CA...
  • Page 113  B1KE-120 7722776 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Hydraulic System 0001 Diaphragm grommet 0002 Hydraulics flow pipe 0003 VT flow pipe with O-rings 0004 Connection pipe return 0005 Condensate hose WT...
  • Page 114  B1HE-199 7722775 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Hydraulic System 0001 Connection pipe 0002 Diaphragm grommet 0003 Connection pipe 0004 Connection pipe HR circulation 0005 Connection pipe HV circulation...
  • Page 115  B1KE-199 7722777 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Hydraulic System 0001 Connection pipe 0002 Diaphragm grommet 0003 Connection pipe 0004 Connection pipe HR combi 0005 Connection pipe HV combi bottom...
  • Page 116  B1HE-120 7722773 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Pump Module 0001 Round seal ring (5 pcs) 0002 O-Rings (5 pcs) 0003 Screw (5 pcs) 0004 Valve insert 0005 O-Ring (5 pcs)
  • Page 117 B1KE-120 7722776 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Pump Module 0001 Clip D=8 small (5 pcs) 0002 Round seal ring (5 pcs) 0003 O-Rings (5 pcs) 0004 Screw (5 pcs)
  • Page 118  B1HE-199 7722775 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Pump Module 0001 3-Way Diverter valve 0002 Gasket set (5 pcs) 0003 Gasket set (5 pcs) 0004 Pump 115V 0005 Circulation pump motor 115V...
  • Page 119  B1KE-199 7722777 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Pump Module 0001 Flow sensor DN15 0002 3-Way diverter valve 0003 Gasket set (5 pcs) 0004 Gasket (5 pcs) 0005 Gasket set (2 pcs)
  • Page 120 B1KE-120 7722776  B1KE-199 7722777 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Electronic Equipment 0001 BCU 0002 Cover 0003 Rear cover 0004 Base enclosure 0005 Cable 0006 Cable set 0007 Front Cover...
  • Page 121  B1KE-199 7722777 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Cable Set 0001 Wiring harness low voltage 0002 Wiring harness 120V 0003 Power cable 0004 Cable gland 0005 Cable 10-pin twisted L=1300...
  • Page 122 B1KE-199 7722777 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Programming Unit 0001 Human Machine Interface HMI-P 3.5” 450 0002 Telemetric Control Unit (TCU200) 0003 Ribbon cable Wifi module 0004 Fiber optic HMI 450...
  • Page 123 B1KE-120 7722776  B1KE-199 7722777 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Other 0001 Technical Documentation 0002 Lubricant 0003 Vitowhite spray paint 150 ml can 0004 Touch-up paint stick Vitowhite...
  • Page 124 7722776  B1KE-199 7722777 Ordering Parts: Please provide Serial Number when ordering replacement parts. Order replacement components from your Viessmann distributor. Accessories 0001 Pressure Gauge 0002 Boiler Pressure Relief Valve 0003 Locking Clip 0004 O Ring 0005 Adaptor 0006 Label...

  • Page 125: Lighting And Operating Instructions

    Additional Information Vitodens 100-W, B1HE/B1KE Combi Installation/Service Lighting and Operating Instructions FOR YOUR SAFETY READ BEFORE OPERATING W A R N I N G: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A.
  • Page 126 Vitodens 100-W, B1HE/B1KE Combi Installation/Service...
  • Page 127 Vitodens 100-W, B1HE/B1KE Combi Installation/Service...
  • Page 128 Vitodens 100-W, B1HE/B1KE Combi Installation/Service Scan for digital copy of this document...

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