Gas fired condensing combination and system boiler, type wb1c, with modulating matrix cylinder burner and inox-radial heat exchanger for open flue and balanced flue operation. rated output range: 7.4 to 35 kw (20 pages)
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VIESMANN Installation and service instructions for contractors Vitodens 100-W Type B1HC, B1KC, 4.7 to 35.0 kW Wall mounted gas condensing boiler Natural gas and LPG version Gas Council Number: 41-819-40, 41-819-41, 41-819-42, 41-819-43, 47-819-40, 47-819-41, 47-819-42 For applicability, see the last page VITODENS 100-W Please keep safe.
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Hot surfaces can cause burns. Replace faulty components only with genuine ■ Before maintenance and service work, switch Viessmann spare parts. OFF the appliance and let it cool down. Never touch hot surfaces on the boiler, burner, ■ flue system or pipework.
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For replacements, use only original spare parts supplied or approved by Viessmann. Safety instructions for operating the system If you smell gas Condensate Danger...
Index Index 1. Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................Vitodens 100-W, type B1HC, B1KC ............ ■ Product description ................DHW heating with DHW cylinder ............■ Connecting accessories ..............■ 2. Preparing for installation ........................
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Index Index (cont.) 8. Control unit Functions and operating conditions in weather-compensated mode ..78 Heating curve for weather-compensated control ........ 78 ■ Frost protection function ..............78 ■ 9. Connection and wiring dia- ........................ 79 gram 10. Reports ........................ 80 Specification ........................
Please dispose of packaging waste in line with statu- tory regulations. DE: Use the disposal system organised by Viessmann. AT: Use the ARA statutory disposal system (Altstoff Recycling Austria AG, licence number 5766). CH: Packaging waste is disposed of by the HVAC contractor.
DHW heating. For the con- If the Vitodens 100-W is installed in an S plan or Y nection of heating circuits and the DHW cylinder or the plan system, the two internal connections are not used DHW line, see page 12 onwards.
Information Product description (cont.) Connecting accessories Cylinder temperature sensor, outside temperature sen- sor and time switch are connected to the control unit with low voltage.
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Preparing for installation Preparing for installation Preparing for boiler installation Dimensions and connections 58 58 Fig. 1 Heating flow 22 mm Heating return 22 mm Gas condensing system boiler: Condensate drain/safety valve drain: plastic hose Cylinder flow G 22 mm ¾...
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Preparing for installation Preparing for installation (cont.) Fitting the wall mounting bracket Only for installation without pre-plumbing jig or mount- ing frame. 1. Position the supplied installation template on the wall. 2. Mark out the rawl plug holes. 3. Drill 10 mm holes and insert the rawl plugs sup- plied.
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Preparing for installation Preparing for installation (cont.) 3. Prepare the electrical connections. ■ Power cable: A flexible cable 3 x 1.0 mm , approx. 1.5 m long is connected in the delivered condition. Cables for accessories: ■ 2-core sheathed cable min. 0.5 mm for low volt-...
Installation sequence Mounting the boiler and making connections Hooking the boiler onto the wall mounting bracket Fig. 3 Fitting the connections on the water side For installation of fittings on the heating water side and DHW side, see separate installation instructions.
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Installation sequence Mounting the boiler and making connections (cont.) Gas condensing system boiler Permiss. DHW operating pressure: 10 bar (1.0 MPa) Note Install a pressure reducer if required. Fig. 5 Gas condensing combi boiler Fig. 6 Filling device...
Installation sequence Mounting the boiler and making connections (cont.) Gas connection 1. Connect the gas shut-off valve to connection 2. Check gas connections for tightness. Note Only use suitable and approved leak detection agents (EN 14291) and devices for the tightness test.
During installation and positioning of the flue system, closable. observe Building Regulations Part L and BS 5440. Flue system installation instructions Connecting several Vitodens 100-W to a shared flue system Adjust the burner settings of each connected boiler to match the flue system: For shared connection, see page 28.
Installation sequence Removing the front panel Fig. 11 1. Undo the screws on the underside of the boiler; do 2. Remove front panel. not remove them completely. Opening the control unit enclosure Fig. 12...
4 3 2 1 Fig. 13 Only for weather-compensated mode: Gas condensing system boiler: Outside temperature sensor (accessories) With Viessmann DHW cylinders: cylinder tem- ■ OpenTherm device perature sensor (plug on the cable harness out- Remove jumper when making this connection.
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Installation sequence Electrical connections (cont.) Connection of room temperature controller with time switch and DHW cylinder with 2-way valve and 230 V cylin- der temperature controller Fig. 14 Cylinder demand junction box (accessories) 2-way shut-off valve Jumper; remove when making this connection High limit safety cut-out Power supply (230 V, 50 Hz).
Installation sequence Electrical connections (cont.) Cable entry Fig. 15 Power cable, remote control connecting cable LV leads (sensor leads) Outside temperature sensor (accessories) 1. Fit the outside temperature sensor. 2. Connect the outside temperature sensor to the connecting cable across terminals 3 and 4 at slot Installation location: "X21"...
Installation sequence Electrical connections (cont.) Power supply Regulations and directives We also recommend installing an AC/DC-sensitive RCD (RCD class B ) for DC (fault) currents that Danger can occur with energy efficient equipment. Incorrectly executed electrical installations can Protect the power cable with a fuse/MCB of up to 16 A. result in injuries from electrical current and dam- age to the appliance.
Commissioning, inspection, maintenance Filling the heating system According to EN 1717, as a heat transfer medium for Please note DHW heating, the heating water must meet fluid cate- Unsuitable fill water increases the level of gory ≤ 3. This requirement is met if water of potable deposits and corrosion and may lead to boiler quality is used as heating water.
Commissioning, inspection, maintenance Filling the heating system (cont.) Gas condensing system boiler 1. Open shut-off valves and (if fitted) 2. Connect fill hose to valve and open valve 3. Fill the heating system. Minimum system pressure 0.8 bar (80 kPa). ≥...
Commissioning, inspection, maintenance Venting the boiler by flushing (cont.) 1. Connect the drain hose fitted at shut-off valve to a drain connection. 2. Close shut-off valve 3. Open valves and flush at mains pres- sure until no sound of escaping air can be heard. 4.
Commissioning, inspection, maintenance Checking the static pressure and supply pressure Danger 5. Start the boiler. CO formation as a result of incorrect burner adjustment can have serious health implications. Note Check the CO content before and after carrying During commissioning, the appliance can enter a out work on gas appliances.
Commissioning, inspection, maintenance Reducing the maximum heating output The maximum heating output can be reduced accord- ing to the system requirements. 01. Tap MODE. Heating output Setting in % in kW Rated heating output in kW / until CONFI flashes. 30 and 35 03.
Commissioning, inspection, maintenance Matching the circulation pump rate to the heating system In its delivered condition the circulation pump rate is For heating mode with outside temperature sen- ■ set to the following values: sor: ■ For DHW heating: speed 100 % Rated heating output in ■...
— — — — — Burner adjustment when connecting multiple flues to a shared flue system When connecting several Vitodens 100-W to a shared ■ Minimum shaft cross-section flue system: – Square: 175 x 175 mm Adjust the burner settings of each connected boiler by –...
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Commissioning, inspection, maintenance Burner adjustment when connecting multiple… (cont.) 09. Use / to set the correction factor. One boiler per floor 10. OK to confirm. The selected value is adopted. Fig. 23 Rated heating output 19 kW operation with natural gas –...
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Commissioning, inspection, maintenance Burner adjustment when connecting multiple… (cont.) Rated heating output 19 kW operation with LPG – Number of boilers Correction factor (adjustable Flue length a (m) value) ≤ ≤ ≤ ≤ > 20 > 13 > 12 – ≤...
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Commissioning, inspection, maintenance Burner adjustment when connecting multiple… (cont.) Rated heating output 30 kW operation with LPG – Number of boilers Correction factor (adjustable Flue length a (m) value) ≤ ≤ ≤ > 12 > 9 – ≤ ≤ ≤ >...
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Commissioning, inspection, maintenance Burner adjustment when connecting multiple… (cont.) Two boilers per floor Fig. 24 Rated heating output 19 kW operation with natural gas – Number of boilers Correction factor (adjustable value) Flue length a (m) ≤ ≤ > 6 –...
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Commissioning, inspection, maintenance Burner adjustment when connecting multiple… (cont.) Rated heating output 19 kW operation with LPG – Number of boilers Correction factor (adjustable value) Flue length a (m) ≤ ≤ ≤ > 9 > 7 – ≤ ≤ > 20 >...
Commissioning, inspection, maintenance Burner adjustment when connecting multiple… (cont.) Rated heating output 30 kW operation with LPG – Number of boilers Correction factor (adjustable value) Flue length a (m) ≤ ≤ > 6 – ≤ ≤ > 12 > 8 –...
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Commissioning, inspection, maintenance Adjusting the burner settings if several… (cont.) 05. OK to confirm. 08. Refer to the following tables for the correction fac- "1" flashes in the l.h. display area. tor required for the flue system. 06. Use / to select "4". 09.
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Commissioning, inspection, maintenance Adjusting the burner settings if several… (cont.) Rated heating output 26 kW operation with natural gas – Number of boilers Correction factor (adjustable value) Flue length a (m) ≤ ≤ > 16 > 4 ≤ ≤ ≤ >...
The correction factor changes the boiler modulation range. Checking the CO content The Vitodens 100-W is factory-set for natural gas. Dur- ing commissioning or maintenance, the CO and CO have to be measured at the boiler flue adaptor test port to check the flue integrity.
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Commissioning, inspection, maintenance Checking the CO content (cont.) 2. Start the boiler and check for leaks. 5. Check the CO content for the lower heating output (20 %). Danger The CO content must be between 0.5 and 0.9 % Escaping gas leads to a risk of explosion. below the value of the upper heating output.
Commissioning, inspection, maintenance Removing the burner F 4x Fig. 27 1. Switch OFF the power supply. 5. Undo gas supply pipe fitting 2. Shut off the gas supply. 6. Undo 4 screws and remove the burner. 3. Disconnect the cables from fan motor , gas train Please note and electrodes...
Commissioning, inspection, maintenance Checking the burner gasket and burner gauze… (cont.) Fig. 28 1. Remove electrode 5. Mount thermal insulation ring 2. Undo 2 Torx screws and remove thermal insulation Please note ring Tighten screws enough to ensure the components do not suffer damage and will function correctly.
Commissioning, inspection, maintenance Checking and adjusting the electrode (cont.) 3. Check the electrode gaps. If the gaps are not as specified or the electrode is damaged, replace the electrode and gasket and align. Please note Tighten screws enough to ensure the components do not suffer damage and will function correctly.
Commissioning, inspection, maintenance Checking the condensate drain and cleaning the trap 1. Pull trap upwards out of the drain connection. 2. Remove supply hose from trap 3. Clean trap 4. Refit supply hose 5. Refit trap to the drain connection. 6.
Commissioning, inspection, maintenance Installing the burner (cont.) 5. Reopen the gas supply and switch ON the power supply. 6. Check the gas connections for tightness. Danger Escaping gas leads to a risk of explosion. Check the fitting for gas tightness. Please note The use of leak detection spray can result in faulty operation.
Commissioning, inspection, maintenance Checking the firm seating of electrical connections Checking all gas equipment for tightness at operating pressure Danger Please note Escaping gas leads to a risk of explosion. The use of leak detection spray can result in Check all gas equipment for tightness. faulty operation.
Commissioning, inspection, maintenance Setting the DHW comfort function (cont.) 08. OK to confirm. 10. OK to confirm. "0" flashes in the r.h. display area. 09. Use / to select the comfort function. ■ "0": Without comfort function "1": With comfort function ■...
Commissioning, inspection, maintenance Setting the signal tone for display operation (cont.) 09. Use / to set the signal tone. 10. OK to confirm. ■ "0": Signal tone on ■ "1": Signal tone off Instructing the system user The system installer should hand the operating instruc- tions to the system user and instruct the user in oper- ating the system.
Changing the gas type Changing from operation with LPG to operation with natural gas Fig. 35 1. Disconnect cable from gas train Changing the gas type at the control unit 2. Undo union nut and remove gas gasket. 01. Turn ON the ON/OFF switch. 3.
Troubleshooting Function sequence and possible faults Display Measure Control unit issues a heat Increase set value and demand ensure heat is drawn off Fan starts After approx. 1 min, fault Check the fan, fan con- necting cables, fan power supply and fan control Ignition Fault F4 Check the ignition module...
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Troubleshooting Fault display (cont.) Fault code dis- System characteristics Cause Measures played Burner blocked CO limiter (if installed) has Check the heating system. Re- responded. CO concentra- move the cause of escaping CO. tion too high. Burner blocked Gas pressure switch (if in- Check the gas supply.
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Troubleshooting Fault display (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Temperature limiter has Check heating system fill level. responded Check circulation pump. Vent the system. Check the temperature limiter and connecting leads (see page 56).
Troubleshooting Repairs Please note Residual water will escape when the boiler or one of the following components is fitted or removed: ■ Water-filled pipework Circulation pumps ■ Plate heat exchanger ■ Components fitted in the heating water or ■ DHW circuit Water ingress can result in damage to other components.
Troubleshooting Repairs (cont.) Outside temperature sensor 1. Open the control unit enclosure. See page 16. 2. Disconnect leads from outside temperature sensor. 4 3 2 1 Fig. 38 3. Check the sensor resistance and compare it to the curve. 4. In the event of severe deviation replace the sensor. -20 -10 0 10 20 Temperature in °C...
Troubleshooting Repairs (cont.) Boiler water temperature sensor 1. Disconnect leads from boiler water temperature sensor and check the resistance. Fig. 40 2. Check the sensor resistance and compare it to the curve. 3. In the case of severe deviation, drain the boiler on the heating water side and replace the sensor.
Troubleshooting Repairs (cont.) Checking the cylinder temperature sensor (gas condensing system boiler) 1. Disconnect plug from the cable harness and check the resistance. Fig. 42 2. Compare the sensor resistance to the curve. 3. In the event of severe deviation replace the sensor. 10 30 50 70 90 110 Temperature in °C Fig.
Troubleshooting Repairs (cont.) Checking the temperature limiter If the burner control unit cannot be reset after a fault shutdown although the boiler water temperature is below approx. 95 °C, check the temperature limiter. 1. Disconnect the leads from temperature limiter 2.
Troubleshooting Repairs (cont.) 3. In the event of severe deviation replace the sensor. Note Water may escape when replacing the outlet tem- perature sensor. Shut off the cold water supply. Drain the DHW line and the plate heat exchanger (on the DHW side). 10 30 50 70 90 110 Temperature in °C Fig.
Troubleshooting Repairs (cont.) 4. In the event of severe deviation replace the sensor. 5. Reinstall expansion vessel and tighten nut When installing the sensor, ensure it is correctly seated. 10 30 50 70 90 110 Temperature in °C Fig. 48 Fault "A3"...
Troubleshooting Repairs (cont.) Checking or replacing the plate heat exchanger (gas condensing combi boiler) Fig. 50 Heating water flow Heating water return Cold water 1. Shut off and drain the boiler on the heating water 5. Check the connections on the heating water side and DHW sides.
Troubleshooting Repairs (cont.) Checking the fuse Fig. 51 1. Switch OFF the power supply. 2. Open the control unit enclosure (see page 16). 3. Check fuse F4.
Parts lists Overview of assemblies The following details are required when ordering parts: ■ Serial no. (see type plate ■ Assembly (from this parts list) Position number of the individual part within the ■ assembly (from this parts list) Fig. 52 Type plate Miscellaneous Casing assembly...
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Parts lists Hydraulic assembly, combi boiler (cont.) Pos. Part 0001 Air vent valve for HK (heating circuit) pump 0002 O-rings 34 x 3 (5 pce) 0003 O-ring 23.7 x 3.6 (5 pce) 0004 Linear stepper motor 0005 Bypass cartridge 0006 Clip Ø...
Parts lists Control unit assembly 0002 0001 0003 0010 0004 0002 0010 0003 0002 0011 0012 0005 0006 0007 0008 0009 0013 Fig. 59...
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Parts lists Control unit assembly (cont.) Pos. Part 0001 Cover, wiring chamber 0002 Clip hinge 0003 Profiled seal 0004 Control unit VBC113-D20 0005 Cable harness X20 0006 Ignition cable 0007 Gas valve connecting cable 35 0008 Fan connecting cable 100 0009 Cable harness, stepper motor AMP-X 0010...
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Parts lists Miscellaneous assembly (cont.) Pos. Part 0001 Touch-up spray paint, white, 150 ml can 0002 Touch-up paint stick, white 0003 Special grease 0004 Installation and service instructions 0005 Operating instructions...
Control unit Functions and operating conditions in weather-compensated mode In weather-compensated mode, the boiler water tem- perature is regulated subject to the outside tempera- ture. Heating curve for weather-compensated control Outside temperature in °C Fig. 61 Code for selected heating curve The setting can be made in increments of - - to 35.
Connection and wiring diagram Connection and wiring diagram Fig. 62 Diverter valve stepper motor Outside temperature sensor (accessories) Ignition/ionisation Boiler water temperature sensor § Vitotrol 100, type UTA or on-site room tempera- Outlet temperature sensor (gas condensing ture controller (230 V switched input) combi boiler) Vitotrol 100, type UTDB or on-site room temper- Cylinder temperature sensor (gas condensing...
Reports (cont.) Settings and test values Commis- Mainte- Mainte- Mainte- Mainte- sioning nance/ nance/ nance/ nance/serv- service service service Date Signature Gas type Static pressure mbar Supply pressure (flow pres- mbar sure) Carbon dioxide content CO Upper heating output % by ■...
Specification Specification Gas condensing system boiler, class II 2H3P Type B1HC Rated heating output range in heating mode 50/30 °C 4.7 (6.5) 4.7 (6.5) 5.9 (8.8) 5.9 (8.8) – – – – 80/60 °C 4.3 (5.9) 4.3 (5.9) 5.4 (8.0) 5.4 (8.0) –...
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Specification Specification (cont.) Type B1KC Rated heating output range in heating mode 50/30 °C 4.7 (6.5) 5.9 (8.8) 5.9 (8.8) – – – 80/60 °C 4.3 (5.9) 23.8 5.4 (8.0) 27.5 5.4 (8.0) 32.1 – – – Connection values Relative to the max. load for: - Natural gas H 2.87 3.31...
Disposal Final decommissioning and disposal Viessmann products can be recycled. Components and substances from the system are not part of ordi- nary household waste. For decommissioning the system, isolate the system from the power supply and allow components to cool down where appropriate.
Certificates Declaration of conformity Vitodens 100-W, type B1HC and B1KC We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole responsible body that the named product complies with the provisions of the following directives and regulations: 2009/142/EC Gas Appliances Directive...
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