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

Viessmann Vitodens 100-W Installation And Service Instructions Manual

Wall mounted gas condensing boiler natural gas and lpg version
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Installation and service instructions
for contractors
Vitodens 100-W
Type B1HG, B1KG, 3.2 to 32 kW
Type B1HG-M, B1KG-M (for multiple connection), 5.7 to 32 kW
Wall mounted gas condensing boiler
Natural gas and LPG version
Gas Council No.
■
B1HG: 41-819-51, 41-819-48, 41-819-49, 41-819-50
■
B1KG: 47-819-50, 47-819-51, 47-819-52
Vitodens 100-W
6227873 GB
3/2025
Please keep safe.

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Summary of Contents for Viessmann Vitodens 100-W

  • Page 1 Installation and service instructions for contractors Vitodens 100-W Type B1HG, B1KG, 3.2 to 32 kW Type B1HG-M, B1KG-M (for multiple connection), 5.7 to 32 kW Wall mounted gas condensing boiler Natural gas and LPG version Gas Council No. ■ B1HG: 41-819-51, 41-819-48, 41-819-49, 41-819-50 ■...
  • 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 Safety instructions Safety instructions (cont.) Danger Auxiliary components, spare and Hot surfaces and fluids can lead to wearing parts burns or scalding. Please note Before maintenance and service ■ Auxiliary components, spare parts work, switch OFF the appliance and wearing parts that have not and let it cool down.
  • 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 Disposal of packaging ................11 Gas Council No..................11 Symbols ....................12 Intended use ..................12 Product information ................13 Vitodens 100-W, type B1HG, B1KG ........... 13 ■ System examples .................. 13 Maintenance parts and spare parts ............13 Viessmann Partnershop ..............14 ■...
  • Page 7 Index Index Resetting the burner ................88 Fault messages ..................89 7 ......................89 ■ 8 ......................89 ■ 11 ......................89 ■ 12 ......................89 ■ 13 ......................89 ■ 14 ......................90 ■ 15 ......................90 ■ 16 ......................90 ■...
  • Page 8 Index Index 355 ......................101 ■ 357 ......................101 ■ 359 ......................102 ■ 361 ......................102 ■ 364 ......................102 ■ 365 ......................102 ■ 366, 367 ....................103 ■ 368 ......................103 ■ 369 ......................103 ■ 370 ......................103 ■ 371 ......................103 ■ 372 ......................104 ■ 373 ......................104 ■...
  • Page 9 Index Index 544 ...................... 115 ■ 545 ...................... 115 ■ 574 ...................... 115 ■ 575 ...................... 115 ■ 576 ...................... 115 ■ 577 ...................... 116 ■ 578 ...................... 116 ■ 579 ...................... 116 ■ 682 ...................... 116 ■ 683 ...................... 116 ■...
  • Page 10 Index Index (cont.) Manufacturer's certificate according to the 1st BImSchV [Germany] ..155 15. Keyword index ........................156...
  • Page 11 Vitodens 100-W, B1HG, 19 kW 41-819-48 Vitodens 100-W, B1HG, 25 kW 41-819-49 Vitodens 100-W, B1HG, 32 kW 41-819-50 Type Vitodens 100-W, B1KG, 26 kW Combi 47-819-50 Vitodens 100-W, B1KG, 30 kW Combi 47-819-51 Vitodens 100-W, B1KG, 35 kW Combi 47-819-52 Type...
  • Page 12 Information 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: Symbol Meaning The numbers correspond to the order in Steps required during commissioning...
  • Page 13 Information Product information Vitodens 100-W, type B1HG, B1KG Wall mounted gas condensing boiler with Inox-Radial The type plate of the heat generator contains exten- heat exchanger and the following integrated compo- sive product information and an appliance-specific QR nents: code with the marking "i" for direct access to prod- ■...
  • Page 14 Information Maintenance parts and spare parts (cont.) Viessmann Partnershop Login: shop.viessmann-climatesolutions.com Viessmann spare part app Web application www.viessmann.com/etapp ViParts app...
  • Page 15 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) Cylinder flow (gas condensing system boiler) Gas connection Cold water (gas condensing combi boiler) Cylinder return (gas condensing system boiler)
  • Page 16 Preparing for installation Preparing for installation (cont.) Dimension for siting with DHW cylinder below the boiler Dimension: 161 mm – for external wall connection, Order nos. 7441467, 7411961 Dimension: 131 mm – for external wall connection, Order no. 7946886 (with reduced flue bend) Note The boiler (IP rating IP X4) is approved for installation in wet rooms in safety zone 1.
  • Page 17 Preparing for installation Preparing for installation (cont.) Connection on the DHW side for gas condensing combi boiler Cold water installation Visible discharge pipe outlet point Safety valve Non-return valve Shut-off valve Cold water Safety assembly Safety assembly is included in the standard delivery and requires installing.
  • Page 18 Installation sequence Removing the boiler from the packaging Fig. 4...
  • Page 19 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 20 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 21 Installation sequence Mounting the boiler and making connections (cont.) 2. Suspend the appliance from the wall mounting 5. Tighten locking ring fittings so that they form a tight bracket. seal: 1 turn beyond finger-tight Note After mounting, ensure correct seating. 3.
  • Page 22 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 23 Installation sequence Mounting the boiler and making connections (cont.) 4. Tighten union nuts so that they form a tight seal. Tighten the union nuts as tightly as necessary and ensure that the components are undamaged and are functioning correctly throughout service life. Observe torque settings if a torque wrench is avail- able.
  • Page 24 Installation sequence Connecting the condensate drain 1. Push the supplied drain hose on to the drain con- nector. Drain hose: Ø 19 x 800 mm 2. Connect the drain hose with a constant fall and a pipe vent to the drain network or a neutralising sys- tem.
  • Page 25 Groppalli flue system" enclosed with the technical documentation may only be used in conjunction with Do not carry out commissioning until the following the Viessmann flue system made by Skoberne or conditions are met: Groppalli. Free passage through the flue gas pipes.
  • Page 26 Installation sequence Connecting the gas line 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 27 Installation sequence Connecting the gas line (cont.) The external gas tap may reduce operating pressure Observe minimum gas pressure at the gas fitting in further if measured at its test point. The pressure drop accordance with the table – see page 46 is relative to the heat input of the boiler (kW).
  • Page 28 Installation sequence Electrical connections (cont.) Layout of the electrical connections Note For further information on the connections, see the fol- lowing chapters. N 1 L N L L N N L N L N L 10 987654321 654321 654321 654321 35 54 X12 X5 Fig.
  • Page 29 Installation sequence Electrical connections (cont.) On-site connections on the HBMU heat management unit Open diaphragm grommets as required. Thread ■ through only one cable at a time without a plug. Ensure diaphragm grommets are airtight. If required, remove plug from cable. After threading the cable through, re-fit the plug to the wire ferrules.
  • Page 30 Installation sequence Electrical connections (cont.) Connecting the floating switching contact Connection at plug Assigning functions in the commissioning assis- tant One of the following functions can be connected: ■ "0" No function or room thermostat See commissioning assistant in "Commissioning". ■...
  • Page 31 Installation sequence Electrical connections (cont.) Accessories with direct mains connection PlusBus Fig. 17 HBMU heat management unit heat generator External ON/OFF switch Mixer extension kit Mains input fÖ EM-EA1 extension and/or EM-S1 extension PlusBus EM-P1 extension Note Danger Incorrect wiring can lead to serious injury from PlusBus system length max.
  • Page 32 Installation sequence Electrical connections (cont.) 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 Bundle cables using the supplied cable clips.
  • Page 33 Installation sequence WiFi operational reliability and system… (cont.) Dynamic IP addressing (DHCP, delivered condition) ■ in the network (WiFi): Have this checked on site by an IT expert prior to commissioning. Arrange for set up if required. ■ Set routing and security parameters in the IP net- work (LAN).
  • Page 34 Installation sequence WiFi operational reliability and system… (cont.) Flat (unfavourable) angle of penetration Ideal angle of penetration Fig. 19 Fig. 20 WiFi router Heat generator WiFi router Heat generator Wall Wall Closing the wiring chamber Fig. 21...
  • Page 35 Installation sequence Fitting the front panel Fig. 22...
  • Page 36 Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • 1. Commissioning the system....................37 • • 2. Filling the heating system....................41 • • • 3. Checking all connections on the heating water and DHW sides for leaks....42 •...
  • Page 37 Commissioning, inspection, maintenance Commissioning the system Please note 3. For further steps, see the commissioning assistant Only start the appliance with a fully filled trap. in the following overview. Check that the trap has been filled with water. Commissioning via software tool Commissioning via commissioning assistant Note 1.
  • Page 38 Commissioning, inspection, maintenance Commissioning the system (cont.) Commissioning assistant Explanations and references sequence Commissioning "C.1" Date (day, month, year) "C.2" Time (hours, minutes) "C.3" ON = on Autom. summer/winter- OFF = off time changeover "C.4" 1 - Constant mode with time program Operating mode 4 - Weather-compensated 13 - Constant mode with optional room thermostat...
  • Page 39 Commissioning, inspection, maintenance Commissioning the system (cont.) Commissioning assistant Explanations and references sequence "C.9" Given in full metres (round up if necessary) *2*1 Flue length Note An additional length of 1 m must be factored in for every flue bend. "C.10"...
  • Page 40 Commissioning, inspection, maintenance Commissioning the system (cont.) Commissioning assistant Explanations and references sequence "C.12" 0 - No function EM-EA1 (DIO) function 4 - External set flow temperature 0–10 V 5 - External default output Note 8 - 230 V fault message input and fault message output (without system block- If "C.11"...
  • Page 41 Commissioning, inspection, maintenance Commissioning the system (cont.) Three labels with the access details required for estab- Switch on the WiFi connection. Establish a connection lishing the connection are attached at the factory to the to the router: front of the programming unit. The access code is ■...
  • Page 42 Commissioning, inspection, maintenance Filling the heating system (cont.) 4. Fill the heating system at boiler drain & fill valve 6. Close the shut-off valves on the heating water side. in the heating return (on the connection set or on site). Minimum system pressure > 1.0 bar 7.
  • Page 43 Commissioning, inspection, maintenance Venting the heating system Fig. 25 1. Check whether the air vent screw in quick-action 5. Disconnect the supply hose from the boiler drain & air vent valve of the heating circuit pump is fill valve. open. 6.
  • Page 44 Commissioning, inspection, maintenance Checking the gas type The boiler is equipped with an electronic combustion 1. Determine the gas type and Wobbe index by ask- controller that adjusts the burner for optimum combus- ing your local gas supply utility or LPG supplier. tion in accordance with the prevailing gas quality.
  • Page 45 Commissioning, inspection, maintenance Removing the front panel (cont.) Fig. 26 Checking the static pressure and supply pressure Danger Taking into account a pressure drop from the installa- CO formation as a result of incorrect burner tion lines of no more than 1 mbar, it can be assumed adjustment can have serious health implications.
  • Page 46 Commissioning, inspection, maintenance Checking the static pressure and supply pressure (cont.) 01. Turn off the ON/OFF switch. 02. Close the gas shut-off valve. 03. Undo screw inside test connector on the gas solenoid valve, but do not remove it. Connect the pressure gauge.
  • Page 47 Commissioning, inspection, maintenance Function sequence and possible faults Display Measure Control unit issues a heat Increase set value. Ensure demand heat transfer. Fan starts Fault 59, 457 Check the fan connecting ca- bles. Check the fan power supply. Ignition Fault 359 Check ignition module (con- trol voltage 230 V across plug "X1/54"...
  • Page 48 Commissioning, inspection, maintenance Function sequence and possible faults (cont.) For further details regarding faults, see "Troubleshoot- ing". Setting the maximum heating output A limit can be set on the maximum heating output for 3. OK heating mode. The limit is set via the modulation range.
  • Page 49 Commissioning, inspection, maintenance Adjusting pump rate of integral circulation pump (cont.) Residual heads of the integral circulation pump 11, 19, 25 kW 550 55 500 50 450 45 350 35 250 25 150 15 1000 1100 1200 Flow rate in litres/h Fig.
  • Page 50 Commissioning, inspection, maintenance Adjusting pump rate of integral circulation pump (cont.) Residual heads of the integral circulation pump 32 kW 550 55 500 50 450 45 350 35 250 25 150 15 1000 1100 1200 1300 1400 Flow rate in l/h Fig.
  • Page 51 Commissioning, inspection, maintenance Leak test on balanced flue system (annular gap check) Fig. 31 Combustion air aperture For balanced flue systems tested together with the If actual CO values are greater or O values are lower, heat generator, there is no requirement for a tightness then pressure test the flue pipe with a static pressure test (overpressure test) during commissioning by the of 200 Pa.
  • Page 52 Commissioning, inspection, maintenance Removing the burner 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. Do not touch the wiring chambers (control ■...
  • Page 53 Commissioning, inspection, maintenance Checking the burner gasket and burner gauze assembly Fig. 32 11, 19, 25 kW...
  • Page 54 Commissioning, inspection, maintenance Checking the burner gasket and burner gauze… (cont.) Fig. 33 32 kW Check burner gauze assembly , electrodes , ther- 05. Install new burner gasket . Ensure the correct mal insulation ring and gasket for damage. Only installation position.
  • Page 55 Commissioning, inspection, maintenance Checking the burner gasket and burner gauze… (cont.) 07. Align the hole in burner gauze assembly 08. Check thermal insulation ring with for firm seating. burner door pin 09. Fit electrodes . Check clearances; see following Please note chapter.
  • Page 56 Commissioning, inspection, maintenance Checking the burner gasket and burner gauze… (cont.) Fig. 35...
  • Page 57 Commissioning, inspection, maintenance Checking and adjusting the ignition and ionisation electrodes Burners 11, 19, 25 kW ±0,6 ±0,5 Fig. 36 Ignition/monitoring electrode 1. Check the ignition/monitoring electrode for wear 3. Check the electrode gaps. If the gaps are not as and dirt.
  • Page 58 Commissioning, inspection, maintenance Checking and adjusting the ignition and… (cont.) 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. Tighten screws as much as necessary and ensure that the components are undamaged and function correctly throughout their service life.
  • Page 59 Commissioning, inspection, maintenance Checking the back draught safety devices (cont.) 3. Refit the balanced flue system. 4. Pour a small amount of water through the inspec- tion port to ensure the back draught safety device is working. Cleaning the heating surfaces Please note 1.
  • Page 60 Commissioning, inspection, maintenance Checking the condensate drain and cleaning the… (cont.) Fig. 41 1. Pivot the HBMU heat management unit forwards. 8. Reconnect the supply hose and secure in place with the hose clip. 2. Cover electronic components with suitable water- tight material.
  • Page 61 Commissioning, inspection, maintenance Installing the burner Burners 11, 19, 25 kW Burner 32 kW 1. Insert the burner. Tighten screws diagonally. 3. Check the gas connections for leaks. Tighten screws as tightly as necessary and ensure that the components are undamaged and are func- Danger tioning correctly throughout service life.
  • Page 62 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 and filter strainer . Replace if scaled or damaged.
  • Page 63 Commissioning, inspection, maintenance Checking the expansion vessel and system pressure Note 3. Top up with water until the charge pressure of the The expansion vessel can lose some of its charge cooled system is at least 1.0 bar (0.1 MPa), and is pressure over time.
  • Page 64 Commissioning, inspection, maintenance Checking all gas equipment for leaks at… (cont.) Note Only use suitable and approved leak detection agents (EN 14291) and devices for the tightness test. Leak detection agents with unsuitable constituents (e.g. nitrides, sulphides) can cause material damage. Remove residues of the leak detection agent after test- ing.
  • Page 65 Commissioning, inspection, maintenance Checking the combustion quality (cont.) Fig. 44 1. Connect a flue gas analyser at flue gas port 6. Adjust the upper heating output. See the following chapter. the boiler flue connection. 2. Open the gas shut-off valve. Start the boiler. Cre- 7.
  • Page 66 Commissioning, inspection, maintenance Matching the control unit to the heating system The control unit must be matched to the system equip- Accessory installation instructions ment level. Set the parameters according to the accessories fitted: Adjusting the heating curves Tap the following buttons: 5.
  • Page 67 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 68 System configuration (parameters) Parameter value (cont.) 3 Scald protection Parameter 503.0 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 69 System configuration (parameters) Parameter value (cont.) 6 Minimum heating output Parameter 1503.0 Setting Explanations A limit can be set on the minimum heating output for heating mode. Delivered condition specified by settings specific to the appliance 0 to 100 Adjustable from 0 to 100 % 7 Maximum heating output Parameter 596.0 Setting...
  • Page 70 System configuration (parameters) Parameter value (cont.) 11 Maximum flow temperature limit, heating circuit 2 Parameter 1193.1 Setting Explanations Maximum flow temperature limit for the heating circuit 82 °C Maximum limit in the delivered condition 82 °C 20 to 82 Setting range limited by heat generator-specific pa- rameters 12 Operating mode heating circuit 2 Parameter 934.6...
  • Page 71 System configuration (parameters) Parameter value (cont.) 424.3 Set flow temperature increase, heating circuit 1 Set flow temperature increased when changing from operation at reduced room temperature to operation at standard room temperature or comfort room temperature, heating circuit 1. See chapter "Function description" Value Meaning Delivered condition increase 0 K...
  • Page 72 System configuration (parameters) Parameter value (cont.) Value Meaning The DHW circulation pump runs in accordance with the set time program, irrespective of the increased DHW hygiene function. The DHW circulation pump is switched on every time the increased DHW hygiene function is activated, irrespective of the time program for the DHW circulation pump.
  • Page 73 System configuration (parameters) Parameter value (cont.) Note Only active if 1504.0 has been set to 2. Value Meaning The factory setting is UTC +1 h 24 to +24 Time difference adjustable from 12 h to +12 h in 0.5 h increments –...
  • Page 74 System configuration (parameters) Parameter value (cont.) Value Meaning No correction 10 to +10 Correction adjustable from 10 to +10 K – – 912.0 Automatic summer/wintertime changeover Value Meaning No automatic summer/wintertime changeover Automatic summer/wintertime changeover active 912.1 Earliest day of changeover from winter to summertime Value Meaning Changeover from 02:00 to 03:00 occurs on the Sunday after or on this set date.
  • Page 75 System configuration (parameters) Parameter value (cont.) 934.3 DHW heating priority, heating circuit 2 Priority of DHW heating over the heating circuit. To reduce the heat-up time, room heating can be interrupted during DHW heating. For this purpose, the heating circuit pump for heating circuit 2 is switched off. Value Meaning Without priority:...
  • Page 76 System configuration (parameters) Parameter value (cont.) Note Not adjustable on gas condensing combi boilers! Note The next DHW heating period starts after expiry of duration 1087.1 at the earliest. Value Meaning Factory setting 240 min No time limit for DHW heating 1 to 240 Duration of DHW heating adjustable from 1 to 240 min in 1 min increments 1087.1 Min.
  • Page 77 System configuration (parameters) Parameter value (cont.) Value Meaning Delivered condition specified by settings specific to the appliance Setting range depends on the appliance 1101.2 Set speed of the primary circuit pump for DHW heating Set speed of the internal circulation pump when operated as a circulation pump for cylinder heating Value Meaning Delivered condition specified by settings specific to the appliance...
  • Page 78 Frost protection function for the solar circuit Value Meaning Off - not active On - active Not required for Viessmann heat transfer medium 1136.2 Heat transfer medium solar circuit Setting the heat transfer medium for calculating the solar yield Value Meaning...
  • Page 79 System configuration (parameters) Parameter value (cont.) Value Meaning Min flow temperature 20 °C 5 to 82 Setting range limited by parameters, depending on appliance version 1394.0 Set DHW temperature for reheating suppression Set cylinder temperature for reheating suppression Above the selected set cylinder temperature, reheating suppression is active. Value Meaning Reheating suppression from set cylinder temperature of 40 °C...
  • Page 80 System configuration (parameters) Parameter value (cont.) 1492.1 Stop temperature differential, solar circuit pump Stop temperature differential between actual cylinder temperature and actual collector temperature Value Meaning Stop temperature differential 4 K 1 to 29 Stop temperature differential adjustable from 1 to 29 K 1504.0 Source for date and time Selection of source for date and time The setting depends on the heat generator and accessories.
  • Page 81 System configuration (parameters) Parameter value (cont.) 1667.0 Pump switch-on, heating circuit pump 1 in standby mode Setting Explanations Operating mode, heating circuit pump 1 In "Standby mode" = permanently switched off 1 to 24 In "Standby mode" = switched on 1–24 times a day (in constant mode for 10 min each time;...
  • Page 82 System configuration (parameters) Parameter value (cont.) 2426.3 Room temperature-dependent heating circuit pump logic for heating circuit 1 (only for weather- compensated control units with room temperature hook-up). Setting Explanations Only activate this function for the heating If the actual room temperature is above the threshold circuit with mixer or if there is only one di- value (selected set room temperature plus hysteresis rect heating circuit in the system.
  • Page 83 System configuration (parameters) Subscriber numbers of connected extensions All extensions connected to the heat generator (except Rotary switch S1 settings: the SDIO/SM1A electronics module) must have a sub- ■ EM-S1 extension (system with solar collectors): 0 scriber number. The subscriber number is set on rotary ■...
  • Page 84 System configuration (parameters) Subscriber numbers of connected extensions (cont.) Note A maximum of one Vitotrol 200-E can be connected Solar module not compatible with all appliance ver- sions.
  • Page 85 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 86 Diagnosis and service checks Diagnosis Checking operating data Operating data can be checked in various areas. See Note "Diagnosis" in the service menu overview. If a called up sensor is faulty, "- - -" appears on the Operating data on heating circuits with mixer can only display.
  • Page 87 Troubleshooting Fault display on the programming unit The display shows " " in the event of a fault. 3. OK Note to call up fault entry "E.1 to E.5". If a central fault message facility is connected, this is switched on. 5.
  • Page 88 Troubleshooting Overview of electronics modules Fig. 46 HBMU heat management unit HMI programming unit with TCU communication module Resetting the burner The display shows flashes. Tap the following buttons: The burner is locked due to a fault. Reset the burner: to display the fault number.
  • Page 89 Troubleshooting Fault messages Note For diagnostics and troubleshooting, see chapter "Repairs". Fault messages dependent on appliance equipment level System characteristics Measures No DHW heating ■ Check the settings for DHW in the commissioning assistant. Correct if necessary. Cause ■ Check the cylinder temperature sensor (terminal 2). ■...
  • Page 90 Troubleshooting Fault messages (cont.) Measures Replace faulty component if required. ■ Check operating mode setting in commissioning assistant and remedy if necessary. ■ Check outside temperature sensor and connection to sensor (terminal 4). Measure the voltage at the sensor input on the ■...
  • Page 91 Troubleshooting Fault messages (cont.) System characteristics Measures Regulates without flow temperature sensor for low loss Check flow temperature sensor, low loss header. header. Measure voltage at sensor input on electronics mod- ule. Set value: 3.3 V with sensor disconnected Cause Short circuit, low loss header sensor System characteristics Measures...
  • Page 92 Troubleshooting Fault messages (cont.) Measures If voltage is correct and the fault occurs repeatedly, replace the fan unit. Check mains voltage. System characteristics ■ Check whether flow rate is sufficient (circulation pump). Burner in a fault state Check function of 3-way diverter valve. Vent the sys- ■...
  • Page 93 Troubleshooting Fault messages (cont.) Measures Detach fan unit before removing the burner. Check the ionisation electrode or ignition/monitoring ■ Check gas supply (gas pressure and gas flow electrode and the connecting cable. Check the ignition. switch). Connecting cables to ignition module and ignition elec- ■...
  • Page 94 Troubleshooting Fault messages (cont.) System characteristics Measures Burner in a fault state Replacing the HBMU heat management unit: See chapter "Replacing the HBMU heat management unit". Cause HBMU heat management unit internal fault System characteristics Measures Burner in a fault state ■...
  • Page 95 Troubleshooting Fault messages (cont.) System characteristics Vent the system. System in a fault state If the fault occurs repeatedly: ■ Check/open the BDF valves. Cause ■ Check/replace the flow sensor (if installed). ■ Check/replace the circulation pump. No flow rate Measures Top up with water.
  • Page 96 Troubleshooting Fault messages (cont.) System characteristics Measures Function of affected extension in emergency mode Check connections to DIO electronics module and connection to HBMU heat management unit. Cause DIO electronics module communication error System characteristics Measures Function of the relevant electronics module in emer- ■...
  • Page 97 Troubleshooting Fault messages (cont.) System characteristics Measures Normal operation Check cables and plug-in connections between heat management unit and HMI programming unit. Cause Internal communication error, programming unit System characteristics Measures Depending on configuration of EM-EA1 extension (DIO Check connected external device. electronics module) Cause External fault message input active...
  • Page 98 Troubleshooting Fault messages (cont.) System characteristics Measures Burner in a fault state Reset the appliance. If the fault re-occurs, replace the HBMU heat manage- Cause ment unit: See chapter "Replacing the HBMU heat management unit". Checksum error, data memory access, HBMU heat management unit System characteristics Replace the thermal insulation ring, thermal insulation...
  • Page 99 Troubleshooting Fault messages (cont.) System characteristics Measures Burner in a fault state Check the flow temperature sensor/high limit safety cut-out. Replace faulty component if required. Cause Reset the appliance. Lead break, flow temperature sensor/high limit safety cut-out System characteristics Measures Date/time wrong Check the date and time;...
  • Page 100 Troubleshooting Fault messages (cont.) System characteristics Measures Burner in a fault state ■ Check the flue system for leaks; remedy if neces- sary. Cause ■ Check the flue system for flue gas back pressure, e.g. caused by an insufficient fall in the flue system, Flue gas recirculation constrictions or blockages.
  • Page 101 Troubleshooting Fault messages (cont.) System characteristics Measures Shutdown with restart if demand exists Check the gas supply. Optically check input-side screen in the gas solenoid Cause valve for contamination. Reset the appliance. Insufficient gas supply, burner output reduced System characteristics Measures Burner in a fault state Replace gas fan unit.
  • Page 102 Troubleshooting Fault messages (cont.) System characteristics If 230 V~ is present at the ignition module but there ■ is still a fault, replace the ignition module. Burner in a fault state ■ Check connection cables and leads from ignition module and ignition electrode. Cause Reset the appliance.
  • Page 103 Troubleshooting Fault messages (cont.) 366, 367 System characteristics Measures Burner in a fault state Replacing the HBMU heat management unit: See chapter "Replacing the HBMU heat management unit". Cause Gas valve electricity supply does not turn off. System characteristics Measures Burner locked out ■...
  • Page 104 Troubleshooting Fault messages (cont.) System characteristics Note To prevent water damage, detach fan unit before Burner in a fault state removing the burner. Deposits on the electrodes indi- cate foreign bodies in the combustion air. Cause Check the installation room and flue system for causes Repeated flame loss during calibration of the deposits, e.g.
  • Page 105 Troubleshooting Fault messages (cont.) Cause Note To prevent water damage, detach fan unit before Performing ionisation current calibration: Calibration removing the burner. not performed. Deposits on the electrodes indicate foreign bodies in Minimum value or termination criterion not reached. the combustion air. Check the installation room and flue system for causes of the deposits, e.g.
  • Page 106 Troubleshooting Fault messages (cont.) Reset the appliance. System characteristics Measures Burner in a fault state ■ Check the connecting cable of the ionisation elec- trode or ignition/monitoring electrode for damage and Cause firm seating. Check the ionisation electrode or ignition/monitoring ■...
  • Page 107 Troubleshooting Fault messages (cont.) Measures Reset the appliance. ■ Check gas line for contamination. ■ Check the gas supply pressure. ■ Replace gas fan if required. System characteristics Measures Burner in a fault state Check the ionisation electrode or ignition/monitoring electrode for an earth fault.
  • Page 108 Troubleshooting Fault messages (cont.) Measures Reset the appliance. Check ignition electrode for earth fault. If the fault per- sists, replace the HBMU heat management unit. System characteristics Measures Burner in a fault state Replace the HBMU heat management unit: See chap- ter "Replacing the HBMU heat management unit".
  • Page 109 Troubleshooting Fault messages (cont.) System characteristics Measures Burner in a fault state Check the ionisation electrode or ignition/monitoring electrode for an earth fault. If the fault persists, replace Cause the HBMU heat management unit: See chapter "Replacing the HBMU heat management unit". Earth fault at ionisation electrode or ignition/monitoring Reset the appliance.
  • Page 110 Troubleshooting Fault messages (cont.) Measures Reset the appliance. Replace the HBMU heat management unit: See chap- ter "Replacing the HBMU heat management unit". System characteristics Measures System in control mode, calculation out of operation. Set the time. Calculation values can be viewed via software tool. Cause Time synchronisation failed.
  • Page 111 Troubleshooting Fault messages (cont.) System characteristics Measures Burner in a fault state Flash correct HBMU heat management unit parameter set. Cause Incorrect parameter set of HBMU heat management unit. 455, 456 System characteristics Measures Burner in a fault state Reset the appliance. If this occurs repeatedly, replace the HBMU heat management unit: See chapter Cause "Replacing the HBMU heat management unit".
  • Page 112 Troubleshooting Fault messages (cont.) Measures Check the external gas safety valve and connection System characteristics Note Deposits on the electrodes indicate foreign bodies in Burner in a fault state the combustion air. Check the installation room and flue system for causes of the deposits, e.g. laundry Cause detergents, cleaning agents, toiletries, deposits in the ventilation air supply (chimney).
  • Page 113 Troubleshooting Fault messages (cont.) System characteristics Reset the appliance. Burner in a fault state Note Deposits on the electrodes indicate foreign bodies in Cause the ventilation air. Check the installation room and flue system for causes of the deposits, e.g. laundry deter- Ionisation current too high during calibration gents, cleaning agents, toiletries, deposits in the venti- lation air supply (chimney).
  • Page 114 Troubleshooting Fault messages (cont.) Measures Note To measure the collector temperature more accurately, ■ Check the following: the solar circuit pump can be periodically started for a – No flow or low flow rate in the solar circuit. short duration. If necessary, activate the interval func- –...
  • Page 115 Troubleshooting Fault messages (cont.) Reset the appliance. System characteristics Incorrect setting during commissioning. Emergency function operating mode is activated for Measures heating circuit 2: Mixer closes. Heating circuit pump is operational. Check flow temperature sensor, mixer 2. Measure voltage at sensor input on electronics mod- Cause ule.
  • Page 116 Troubleshooting Fault messages (cont.) Measures Check external room temperature sensor for heating circuit or room temperature sensor on remote control unit. System characteristics Measures Normal operation without room influence Check external room temperature sensor for heating circuit or room temperature sensor on remote control Cause unit.
  • Page 117 Troubleshooting Fault messages (cont.) Measures Check air mass flow rate sensor. System characteristics Measures Burner in a fault state Check back draught safety device. Cause Back draught safety device faulty System characteristics Measures Burner in a fault state Check the plug-in connection and cable to the sensor. Check sensor.
  • Page 118 Troubleshooting Fault messages (cont.) System characteristics No flow rate. No DHW heating, no central heating Measures Cause Perform a power reset. If this occurs repeatedly, replace the heating circuit Central heating circuit pump reports an electrical fault. pump. System characteristics Measures Constant heat demand.
  • Page 119 Troubleshooting Fault messages (cont.) Measures Check the set system pressure (this fault is more ■ likely if the system pressure is too low). ■ Check that all cylinder shut-off devices are fully ■ Check the circulation pump and replace if necessary. open.
  • Page 120 Troubleshooting Repairs Please note 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.
  • Page 121 Troubleshooting Repairs (cont.) Removing the boiler from the pre-plumbing jig or mounting frame Fig. 47 Note Note Use new gaskets and, if required, new locking ring When carrying out any work on gas connection fittings, connections when assembling. hold with a suitable tool. Never transfer any forces to the internal components.
  • Page 122 Troubleshooting Repairs (cont.) ■ LED constant green: No communication (pump is running without external control from the boiler controller). ■ LED flashing green: Pump is running with external control (PWM signal) from the boiler controller ■ LED constant red: Pump failure Note The pump is controlled by a PWM signal.
  • Page 123 Troubleshooting Repairs (cont.) Checking the temperature sensors Fig. 49 Heat generator circuit flow temperature sensor 3. Check the sensor resistance. Note position of (dual sensor) guide lug ■ Sensor 1: Connections 1 and 3 1. Check the leads and plugs of flow temperature Sensor 2: Connections 2 and 4 ■...
  • Page 124 Troubleshooting Repairs (cont.) Cylinder temperature sensor/outlet temperature Flue gas temperature sensor sensor 1. Check the lead and plug of flue gas temperature 1. Check lead and plug of the cylinder temperature sensor sensor or outlet temperature sensor. 2. Disconnect leads, flue gas temperature sensor 2.
  • Page 125 Troubleshooting Repairs (cont.) Flue gas temperature sensor Outside temperature sensor ■ ■ Flow temperature sensor ■ Cylinder temperature sensor ■ Outlet temperature sensor ■ Temperature sensor, low loss header ■ Temperature in °C Temperature in °C Sensor type: NTC 10 k Ω...
  • Page 126 Troubleshooting Repairs (cont.) [{] [{] [{] & Fig. 50 Check cylinder temperature sensor 10 30 50 70 90 110 Temperature in °C Fig. 51 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 127 Troubleshooting Repairs (cont.) Replacing the HBMU heat management unit Note See spare part installation instructions and inter- If replacing the HBMU heat management unit, net address: www.viguide.info "ViGuide" must be used. Replacing the power cable When replacing the power cable, only use the power cable available as a spare part from the manufacturer.
  • Page 128 Troubleshooting Repairs (cont.) 3. Remove plate heat exchanger. 7. Install plate heat exchanger in reverse order using new gaskets. Note Tighten screws as tightly as necessary and ensure During and after removal, small amounts of water that the components are undamaged and are func- may trickle from the plate heat exchanger.
  • Page 129 Troubleshooting Repairs (cont.) Fig. 54...
  • Page 130 Troubleshooting Repairs (cont.) Checking the fuse Fig. 55 1. Switch ON/OFF switch OFF. 4. Check fuse F1 (see connection and wiring dia- gram). 2. Pivot the HBMU heat management unit down. Danger 3. Remove cover Incorrect or improperly fitted fuses can lead to an increased risk of fire.
  • Page 131 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 132 Function description Appliance functions (cont.) Filling program In the delivered condition, the 3-way diverter valve is Activate filling program: See chapter "Commis- set to its central position, so the system can be filled sioning, inspection and maintenance". completely. After the control unit has been switched on, the 3-way diverter valve no longer goes into its In this position, the control unit can be switched off and central position.
  • Page 133 Function description Appliance functions (cont.) Set room temperature in °C Changing the reduced set room temperature Heating circuit pump "OFF" Heating circuit pump "ON" Operating instructions Changing the set room temperature Changing the slope and level Operating instructions Individually adjustable for each heating circuit Reduced room temperature Fig.
  • Page 134 Function description Screed drying (cont.) Parameter "Screed drying": Temperature profile A (EN 1264-4) Days Fig. 60 Temperature profile B (ZV parquet and flooring technology) Days Fig. 61 Temperature profile C Days Fig. 62 Temperature profile D Days Fig. 63 Temperature profile E Days Fig.
  • Page 135 Function description Screed drying (cont.) Temperature profile F Days Fig. 65 Ends after 21 days. DHW heating (system boilers only) 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 136 Function description Valve and pump kick To prevent circulation pumps and valves from getting Solar circuit pumps ■ stuck or jammed (e.g. inactive heating system in sum- ■ Mixer valves mer), all pumps and valves connected to the control ■ Diverter valves unit are automatically switched on or switched over for 10 seconds after 90 hours of idle time:...
  • Page 137 Connection and wiring diagram HBMU heat management unit Fig. 66 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 Floating switching contact, 230 V connection Vitotrol 100, type UTDB...
  • Page 138 Connection and wiring diagram HBMU heat management unit (cont.) Heating circuit pump sÖ No function...
  • Page 139 Connection and wiring diagram HBMU heat management unit (cont.) Fig. 67 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 140 Connection and wiring diagram HBMU heat management unit (cont.) Diverter valve stepper motor Remote control (OpenTherm device) Outside temperature sensor Cylinder temperature sensor (system boiler only)
  • Page 141 Commissioning/service reports Commissioning/service reports Report 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 142 Specification Specification Gas condensing system boiler Use with single connection Gas boiler, type B and C, category II 2N3P Type B1HG Rated heating output range (to EN 15502) = 50/30 °C Natural gas 3.2 to 11.0 3.2 to 19.0 3.2 to 25.0 3.2 to 32.0 3.2 to 11.0 3.2 to 19.0...
  • Page 143 Specification Specification (cont.) Use with single connection Gas boiler, type B and C, category II 2N3P Type B1HG Rated heating output range (to EN 15502) = 50/30 °C Natural gas 3.2 to 11.0 3.2 to 19.0 3.2 to 25.0 3.2 to 32.0 3.2 to 11.0 3.2 to 19.0 3.2 to 25.0...
  • Page 144 Specification Specification (cont.) Use with single connection Gas boiler, type B and C, category II 2N3P Type B1HG Rated heating output range (to EN 15502) = 50/30 °C Natural gas 3.2 to 11.0 3.2 to 19.0 3.2 to 25.0 3.2 to 32.0 3.2 to 11.0 3.2 to 19.0 3.2 to 25.0...
  • Page 145 Specification Specification (cont.) Use with single connection Gas boiler, type B and C, category II 2N3P Type B1HG Rated heating output range (to EN 15502) = 50/30 °C Natural gas 3.2 to 11.0 3.2 to 19.0 3.2 to 25.0 3.2 to 32.0 3.2 to 11.0 3.2 to 19.0 3.2 to 25.0...
  • Page 146 Specification Specification (cont.) Use with multiple connection Gas boiler, type B and C, cate- gory II 2N3P Type B1HG-M Rated heating output range (to EN 15502) = 50/30 °C Natural gas 5.7 to 11.0 5.7 to 19.0 5.7 to 25.0 5.7 to 32.0 = 80/60 °C Natural gas...
  • Page 147 Specification Specification (cont.) Use with single connection Gas boiler, type B and C, cate- gory II 2N3P Type B1KG-26 B1KG-30 B1KG-35 Rated heating output range (to EN 15502) = 50/30 °C Natural gas 3.2 to 25.0 3.2 to 25.0 3.2 to 32.0 3.2 to 25.0 3.2 to 25.0 3.2 to 32.0...
  • Page 148 Specification Specification (cont.) Use with single connection Gas boiler, type B and C, cate- gory II 2N3P Type B1KG-26 B1KG-30 B1KG-35 Rated heating output range (to EN 15502) = 50/30 °C Natural gas 3.2 to 25.0 3.2 to 25.0 3.2 to 32.0 3.2 to 25.0 3.2 to 25.0 3.2 to 32.0...
  • Page 149 Specification Specification (cont.) Use with single connection Gas boiler, type B and C, cate- gory II 2N3P Type B1KG-26 B1KG-30 B1KG-35 Rated heating output range (to EN 15502) = 50/30 °C Natural gas 3.2 to 25.0 3.2 to 25.0 3.2 to 32.0 3.2 to 25.0 3.2 to 25.0 3.2 to 32.0...
  • Page 150 Specification Specification (cont.) Use with single connection Gas boiler, type B and C, cate- gory II 2N3P Type B1KG-26 B1KG-30 B1KG-35 Rated heating output range (to EN 15502) = 50/30 °C Natural gas 3.2 to 25.0 3.2 to 25.0 3.2 to 32.0 3.2 to 25.0 3.2 to 25.0 3.2 to 32.0...
  • Page 151 Specification Specification (cont.) Use with multiple connection Gas boiler, type B and C, cate- gory II 2N3P Type B1KG-26-M B1KG-30-M B1KG-35-M Rated heating output range (to EN 15502) = 50/30 °C Natural gas 5.7 to 25.0 5.7 to 25.0 5.7 to 32.0 = 80/60 °C Natural gas 5.2 to 23.0...
  • Page 152 Specification (cont.) Gas categories Available in the following countries Gas categories AE,AM, AT, DK, EE, KG, LV, LU, LT, RO, RU, SE AZ, 2N3P 2H3P BA, BG, BY, CH, CZ, ES, FI, GB, GR, HR, IE, IS, KZ, IT, MD, ME, NO, PT, RS, SI, SK, TR, UZ HU, MT, UA DE, FR 2N3P 2EK3P...
  • Page 153 Disposal Final decommissioning and disposal This product can be recycled. Components and fluids For decommissioning, isolate the system from the from the system do not belong in ordinary domestic power supply, secure against reconnection and allow waste. components to cool down where appropriate. All components must be disposed of correctly.
  • Page 154 Ordering individual parts Ordering individual parts for accessories Please affix accessory labels with part numbers here. Please specify the relevant part no. when ordering individual parts.
  • Page 155 Certificates Declaration of conformity 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. § Allendorf, 1 November 2021...
  • Page 156 Keyword index Keyword index Angle of penetration........... 33 Heating curve............. 66, 132 Heating curve level...........133 Heating curve slope..........133 Back draught safety device........58 Heating output setting..........48 Boiler water temperature sensor......123 Heating surface, cleaning...........59 Burner gasket.............53 Heating system, venting..........43 Burner gauze assembly..........
  • Page 157 Keyword index Keyword index (cont.) Port 8883..............33 Symbols..............12 Pumps..............136 System configuration..........37, 67 System filling.............. 42 System pressure............42 Range of WiFi connections........33 System requirements..........32 Reduced set room temperature....... 133 System schemes............66 Repairs..............120 Report..............141 Requirements.............32 Tightness test............. 42 Trap..............
  • Page 160 Viessmann Climate Solutions SE Viessmann Limited 35108 Allendorf / Germany A Carrier Company A Carrier Company 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...

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