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VIESMANN Installation and service instructions for contractors Vitodens 222-F Type B2TB, 1.8 to 35.0 kW Gas condensing storage combi boiler Natural gas and LPG version For applicability, see the last page VITODENS 222-F Please keep safe. 5789330 GB/en 11/2017...
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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...
Disposal of packaging ................Symbols ....................Intended use ..................Product information ................Vitodens 222-F, type B2TB ..............■ 2. Preparing for installation Preparing for boiler installation .............. Safety assembly to DIN 1988 and EN 806 on the cold water connec- tion ......................
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Index Index (cont.) 8. Troubleshooting Fault display ................... 64 Fault codes .................... 64 Maintenance ..................74 Putting the control unit into the service position ......... 74 ■ Draining the boiler on the heating water side ........75 ■ Checking the boiler water temperature sensor, cylinder temperature ■...
Please dispose of packaging waste in line with statu- DE: Use the disposal system organised by tory regulations. 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.
■ Hydraulics with 3-way diverter valve and variable The Vitodens 222-F may only be delivered to countries speed high efficiency circulation pump listed on the type plate. For deliveries to other coun- Vitotronic 100 for constant temperature operation tries, approved contractors must arrange individual ■...
Preparing for installation Preparing for boiler installation Use a connection set or connection kit, available as an Note accessory, to make the connection on the gas and Fit safety equipment in accordance with the national water sides. regulations. Fitting accessories Please note Fit all accessories that are installed at the back of the Avoid damaging the appliance.
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Preparing for installation Preparing for boiler installation (cont.) 1. Prepare the connections on the heating water side. Thoroughly flush the heating system. Note If an on-site expansion vessel also has to be instal- led: Install this expansion vessel in the heating return, as the 3-way diverter valve is located in the heating flow.
Preparing for installation Safety assembly to DIN 1988 and EN 806 on the cold water connection Fig. 4 Safety assembly (accessories for connection sets Drain outlet for unfinished walls) Cold water Safety valve Drinking water filter Visible discharge pipe outlet point Pressure reducer to DIN 1988-2, Dec.
Installing the boiler Siting and levelling the boiler Note Position the appliance and accessories so that they are flush with the wall. SW17 Fig. 6 Fitting the additional type plate 1. Take the additional type plate from the documenta- 2. In consultation with the system user, attach the tion supplied with the boiler.
Installing the boiler Connections on the heating water and DHW side Fig. 7 Shown with connection sets for finished walls (accessories) Heating flow R Cold water R ¾ ½ DHW R Heating return R ½ ¾ DHW circulation R (separate accessories) ½...
Flue system installation instructions. flue system" enclosed with the technical documenta- tion may only be used in conjunction with the Viessmann flue system made by Skoberne. ■ During installation and positioning of the flue system, observe Building Regulations Part L and BS 5440 [GB only].
Installing the boiler Gas connection Fig. 9 1. If the gas connection has not been fitted previ- 3. Purge the gas line. ously, seal gas shut-off valve to the gas con- nection. Conversion to alternative gas types: See "Commissioning, inspection and mainte- Information on operation with LPG nance".
Installing the boiler Opening the control unit enclosure Fig. 10 Electrical connections Please note Electronic assemblies can be damaged by elec- trostatic discharge. Prior to commencing any work, touch earthed objects such as heating or water pipes to dis- charge static loads.
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Installing the boiler Electrical connections (cont.) 230V~ 230V~ 3 2 1 Fig. 11 Connections to 230 V~ plugs Routing the power cable Power supply fÖ The power cable is connected in the delivered con- dition. ■ Power supply for accessories ■...
Installing the boiler Electrical connections (cont.) External demand via switching contact Connection options: Please note EA1 extension (accessory, see separate installation Live contacts lead to short circuits or phase fail- ■ instructions) ure. ■ Plug The external connection must be floating and meet the requirements of protection class II.
Installing the boiler Electrical connections (cont.) [{{] 0-10V fÖ Ö Fig. 13 0 to 1 V No specification for set boiler water temperature Set value 10 °C 10 V Set value 100 °C External blocking via switching contact Connection options: Please note Plug Live contacts lead to short circuits or phase fail-...
Installing the boiler Electrical connections (cont.) Plug EA1 extension Floating contact Floating contact (when connecting, remove jumper EA1 extension between L and 1) Parameters/codes Parameters/codes "4b:2" in the "General"/1 group Set "3A" (DE1), "3b" (DE2) or "3C" (DE3) to 3 or 4 in ■...
Installing the boiler Electrical connections (cont.) Power supply to all accessories via heat source control unit Fig. 14 Some accessories with direct power supply Fig. 15 Heat source control unit AM1 extension or EA1 extension Extension kit for heating circuit with mixer M2 (con- On-site ON/OFF switch trol unit for weather-compensated operation only) Mains input...
Installing the boiler Electrical connections (cont.) Routing connecting cables Please note Connecting cables/leads will be damaged if they touch hot components. When routing and securing cables/leads on site, ensure that the maximum permissible tempera- ture for these is not exceeded. Fig.
Installing the boiler Closing the control unit enclosure Fig. 17 Insert the programming unit (packed separately) into the control unit support. Note The programming unit can also be inserted into a wall mounting base (accessories) near the boiler. Wall mounting base installation instructions...
Commissioning, inspection, maintenance Removing the front panels See page 11 Filling the heating system Fill water According to EN 1717 with DIN 1988-100, as a heat Please note transfer medium for DHW heating, the heating water Unsuitable fill water increases the level of must meet fluid category ≤...
Commissioning, inspection, maintenance Filling the heating system (cont.) 4. Fill the heating system via boiler drain & fill valve 5. If the control unit was already on before filling: in the heating return (depending on the connec- Switch the control unit ON and activate the filling tion set either on the side or above the boiler).
Commissioning, inspection, maintenance Venting the boiler 1. Close the shut-off valves on the heating water side. Note Only carry out the following tasks with the control unit switched off. 2. Pivot the control unit forwards. Remove cover panel 3. Connect drain hose to air vent valve .
Commissioning, inspection, maintenance Filling the trap with water (cont.) 3. Disconnect corrugated hose 7. Reassemble the trap in reverse order. from lute 4. Turn the lute, tilt slightly and pull downwards. 8. Check that the condensate hose is connected cor- rectly to the trap and heat exchanger.
Commissioning, inspection, maintenance Information on automatic testing of the flue gas temperature sensor Immediately after being switched on, the control unit Note automatically checks the function of the flue gas tem- If the flue gas temperature sensor is positioned incor- perature sensor.
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Commissioning, inspection, maintenance Checking the static pressure and supply pressure (cont.) 04. Open the gas shut-off valve. 05. Check the static pressure and record the actual value in the report on page 112. Set value: max. 57.5 mbar (5.75 kPa). 06.
Commissioning, inspection, maintenance Checking the static pressure and supply pressure (cont.) Supply pressure (flow pressure) Measures For natural gas For LPG E, E+, M L, LL, S, K Below 13 mbar Below Below Below Below Do not commission the boiler. (1.3 kPa) 17 mbar 18 mbar...
Commissioning, inspection, maintenance Function sequence and possible faults (cont.) Burner in operation Shuts down below the set Check the flue system for boiler water temperature and tightness (flue gas recircula- restarts immediately. tion); check the gas flow pressure. Automatic calibration of Fault E3 Ensure adequate heat trans- the combustion controller...
Commissioning, inspection, maintenance Tightness test on balanced flue system (annular gap check) Fig. 25 Combustion air aperture (ventilation air) For balanced flue systems tested together with the If the CO concentration is less than 0.2 % or the O heat source, there is no requirement for a tightness concentration is greater than 20.6 %, the flue pipe is test (overpressure test) during commissioning by the deemed to be sufficiently gas tight.
Commissioning, inspection, maintenance Removing the burner (cont.) Fig. 26 1. Switch OFF the power supply and the ON/OFF 4. Undo gas supply pipe fitting switch at the control unit. 5. Undo four screws and remove the burner. 2. Close the gas shut-off valve and safeguard against reopening.
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Commissioning, inspection, maintenance Checking the burner gasket and burner gauze… (cont.) Fig. 27 1. Remove electrodes 5. Fit thermal insulation ring 2. Undo 2 retaining clips on thermal insulation ring 6. Fit electrodes and then remove thermal insulation ring Torque: 4.5 Nm. 3.
Commissioning, inspection, maintenance Checking and adjusting the ignition and ionisation electrodes ±1 Fig. 28 Ignition electrodes Ionisation electrode 1. Check the electrodes for wear and contamination. 3. Check the electrode gaps. If the gaps are not as specified or the electrodes are damaged, replace 2.
Commissioning, inspection, maintenance Cleaning the heating surfaces (cont.) Note Discolouration on the heat exchanger surface is a nor- mal sign of use. It has no bearing on the function and service life of the heat exchanger. The use of chemical cleaning agents is not required. 1.
Commissioning, inspection, maintenance Checking the condensate drain and cleaning the… (cont.) 05. Turn lute, tilt slightly and pull downwards. 09. Reassemble the trap in reverse order. Please note 10. Check that the condensate hose is connected cor- Prevent water escaping. rectly to the trap and heat exchanger.
Commissioning, inspection, maintenance Checking the anode connection and anode earth current with an anode tester Check that the earth cable is connected to the protec- tive magnesium anode. Note We recommend checking the function of the protective magnesium anode annually. This function test can be carried out without interrupting operation, by measur- ing the earth current with an anode tester.
Commissioning, inspection, maintenance Draining the boiler on the DHW side 1. Connect the hose to the drain valve and route it into a suitable container or drain outlet. Note Ensure adequate ventilation in the DHW pipework. 2. Turn drain valve from lever position (opera- tional) to lever position as required.
Commissioning, inspection, maintenance Checking and replacing the protective magnesium anode (if required) Check the protective magnesium anode. If it is discov- ered that the anode has degraded to 10 to 15 mm Ø, we recommend replacing the protective magnesium anode. Re-assembling and filling the loading cylinder Fig.
Commissioning, inspection, maintenance Checking the expansion vessel and system pressure Fig. 37 Note Check whether the installed diaphragm expansion ves- The diaphragm expansion vessel can lose some sel is adequate for the system water volume. charge pressure over time. When the boiler heats up, the pressure gauge indicator may rise to 2 or 3 bar (0.2 or 0.3 MPa).
Commissioning, inspection, maintenance Checking the pre-charge pressure and the DHW expansion vessel (if instal- led) 1. Check the static pressure of the DHW line down- stream of the pressure reducer and adjust if required. Set value: max. 3.0 bar (0.3 MPa). 2.
Commissioning, inspection, maintenance Checking the combustion quality (cont.) If the actual CO or O values lie outside their respec- 1. Connect a flue gas analyser at flue gas port the boiler flue connection. tive ranges, proceed as follows: ■ Check the balanced flue system for tightness; see 2.
Commissioning, inspection, maintenance Scanning and resetting the "Service" display The red fault indicator flashes when the limits set in Note coding address "21" and "23" have been reached. An acknowledged service message that has not been (Coding address in Group 2) reset reappears after 7 days.
Commissioning, inspection, maintenance Instructing the system user The system installer should hand the operating instruc- This includes all components installed as accessories, tions to the system user and instruct the user in oper- e.g. remote control units. In addition, the system instal- ating the system.
Code 1 Calling up coding level 1 Codes that are not assigned, due to the heating sys- ■ Resetting all codes to their delivered condition tem equipment level or the setting of other codes, Select "7" with and confirm with OK. Ú...
Code 1 "Boiler"/Group 2 (cont.) Coding in the delivered condition Possible change Service status 24:0 "Service" not shown on the dis- 24:1 "Service" is shown on the display play (address is automatically set and must be manually reset after a serv- ice has been carried out) Filling/venting 2F:0...
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Code 1 "Heating circuit ..."/Group 5 (cont.) Coding in the delivered condition Possible change Min. pump speed E7:30 Only for heating systems without E7:0 Minimum speed adjustable from 0 to mixer heating circuit and low loss 100 % of maximum speed header: E7:100 Minimum speed of the internal...
Code 2 Calling up coding level 2 In coding level 2 all codes are accessible. ■ Resetting all codes to their delivered condition ■ Codes that are not assigned, due to the heating sys- Select "7" with and confirm with OK. Ú...
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Code 2 "General"/Group 1 (cont.) Coding in the delivered condition Possible change Heating circuit pump 34:0 Function of output A2 at AM1 ex- 34:1 Heating circuit pump tension: 34:2 Circulation pump for cylinder heating DHW circulation pump (in the case of DHW circulation pumps with standalone functions, the pump must be connected directly to the...
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Code 2 "General"/Group 1 (cont.) Coding in the delivered condition Possible change Internal circulation pump function: coding address 3E 3B:5 Function of input DE2: fault mes- sage input 3B:6 Function of input DE2: brief opera- tion of the DHW circulation pump (pushbutton function).
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Code 2 "General"/Group 1 (cont.) Coding in the delivered condition Possible change 51:0 When there is a heat demand, the 51:1 System with low loss header: internal circulation pump always The internal circulation pump only starts starts upon heat demand if the burn- er is running.
Code 2 "General"/Group 1 (cont.) Coding in the delivered condition Possible change 90:128 Time constant for calculating the 90:1 Subject to the set value, the flow adjusted outside temperature temperature is adjusted quickly (low- 21.3 h 90:199 er values) or slowly (higher values) when the outside temperature changes.
Code 2 "Boiler"/Group 2 (cont.) Coding in the delivered condition Possible change 23:24 24:0 "Service" not shown on the dis- 24:1 "Service" is shown on the display play (address is automatically set and must be manually reset after a serv- ice has been carried out) 28:0 No burner interval ignition...
Code 2 "DHW"/Group 3 (cont.) Coding in the delivered condition Possible change 58:0 Without auxiliary function for DHW 58:10 Input of a 2nd set DHW tempera- heating ture, adjustable from 10 to 60 °C 58:60 (observe coding addresses "56" and "63"...
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Code 2 "Heating circuit ..."/Group 5 (cont.) Parameter Heating circuit pump address A3:... "ON" "OFF" 3 °C 1 °C – – – 2 °C 0 °C – – 1 °C +1 °C – 0 °C +2 °C +1 °C +3 °C +14 °C +16 °C Coding in the delivered condition...
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Code 2 "Heating circuit ..."/Group 5 (cont.) Coding in the delivered condition Possible change F6:1 In "Only DHW" operating mode, the internal circulation pump is started 1 F6:24 to 24 times per day for 10 minutes each time. F7:25 In "Standby mode", the internal cir- F7:0 In "Standby mode", the internal cir- culation pump is permanently on...
Diagnosis and service scans Service menu Calling up the service menu 1. Press OK and simultaneously for approx. 4 s. å " " flashes on the display. Ü 2. Select required function. See following pages. Exiting the service menu 1. Select "Serv" with Note Ú...
Diagnosis and service scans Diagnosis (cont.) Brief scan Display SNVT or SBVT Software version Software version configuration Communication coprocessor LON module 0: Auto 1: Tool Subnet address/system number Node address Burner control unit type Device type Diverter valve Max. heating output in % status 1: Heating 2: Central posi-...
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Diagnosis and service scans Diagnosis (cont.) 3. Select required actuator (output) with (see fol- lowing table): 4. Confirm selected actuator with OK. The display shows the number for the activated actuator and "ON". The following actuators (relay outputs) can be controlled subject to system design: Display Explanation All actuators have been switched off.
Troubleshooting Fault display Acknowledging fault In the event of a fault, the red fault indicator flashes. The two-digit fault code and (subject to the type of fault) " " or " " flash on the programming unit Press OK; the default display is shown again. display.
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Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state or Check the connecting cable to the blocked fan unit. Press reset button R. If the fault recurs, replace the fan unit. No DHW heating Short circuit, cylinder tem- Check cylinder temperature sensor perature sensor or comfort...
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Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state No ignition spark Check connecting cables and leads from ignition module and ig- nition electrode (see page 37). Check for a voltage of 230 V~ at plug 54 on the ignition module dur- ing the ignition phase.
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Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Gas supply insufficient Test static gas pressure and gas during calibration flow pressure. Check that on-site gas line and gas flow switch are correctly sized. Visually inspect gas train inlet and strainer on the inlet side for con- tamination.
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Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Lead break, flue gas tem- Check flue gas temperature sensor perature sensor and connecting lead. Control mode without remote Communication error, Check connections, cable, coding control Vitotrol remote control address "A0"...
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Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Ionisation current too high Check gap between ionisation during calibration electrode and burner gauze as- sembly (see page 37). Check whether there is a lot of dust in the ventilation air (e.g.
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Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Ionisation current lies out- Check gas supply (gas pressure side the permissible range and gas flow switch), gas train and connecting cable. Check assignment of gas type (see page 76).
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Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Ionisation current too low Check ionisation electrode and during calibration. Differ- connecting cable. Check plug-in ence compared to previ- connections for loose contacts. ous value not plausible.
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Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Process fault: shutdown Check system for condensate ■ during calibration. backup. Note To prevent water damage, de- tach fan unit before removing the burner.
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Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Flame is lost immediately Check gas supply (gas pressure after it has built (during and gas flow switch). safety time). Check balanced flue system for flue gas recirculation.
Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Gas train faulty, modula- Check connecting cables to the tion valve control faulty or gas train for damage. flue gas path blocked Check gas train. Check flue system for blockages or constrictions.
Troubleshooting Maintenance (cont.) Fig. 43 Draining the boiler on the heating water side Fig. 44 1. Close the shut-off valves on the heating water side. 3. Open drain valve and drain the boiler as much as required. 2. Route hose at drain valve into a suitable con- tainer or drain outlet.
Troubleshooting Maintenance (cont.) Checking the boiler water temperature sensor, cylinder temperature sensor or flow temperature sensor of low loss header Fig. 45 ■ Boiler water temperature sensor Disconnect leads from boiler water temperature sensor and check resistance. Cylinder temperature sensor ■...
Troubleshooting Maintenance (cont.) Checking the outlet temperature sensor Fig. 47 1. Pull leads from outlet temperature sensor 2. Check sensor resistance and compare it to the curve. 3. In the event of severe deviation replace the sensor. Danger The outlet temperature sensor is directly immersed in the DHW (risk of scalding).
Troubleshooting Maintenance (cont.) Checking the plate heat exchanger Fig. 49 1. Shut off and drain the boiler on the heating water 5. Check the connections on the heating water and and DHW sides. DHW side for contamination and scaling; if required, replace the plate heat exchanger.
Troubleshooting Maintenance (cont.) Fig. 50 1. Disconnect leads from flue gas temperature sensor 2. Check sensor resistance and compare it to the curve. 3. In the event of severe deviation replace the sensor. 10 30 50 70 90 110 Temperature in °C Fig.
Troubleshooting Maintenance (cont.) 1. Disconnect the leads from temperature limiter 2. Check continuity of the temperature limiter with a multimeter. 3. Remove faulty temperature limiter. 4. Coat the new temperature limiter with heat con- ducting paste and install it. 5. After commissioning, press reset button R on the control unit.
Parts lists Overview of assemblies Ordering parts The following information is required: ■ Serial no. (see type plate ■ Assembly (from the parts list) ■ Position number of the individual part within the assembly (from this parts list) 0002 Fig. 54 Type plate Hydraulic assembly with hydraulic block Casing assembly...
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Parts lists Hydraulics (cont.) Pos. Part 0001 Hydraulic block 0002 Plug, oil preheater 0003 Thermal circuit breaker 0004 Temperature sensor 0005 Air vent valve G3/8 0006 Set of pipe clips (2 pce) 0007 O-ring set 17.86 x 2.62 (5 pce) 0008 Gasket set A 17 x 24 x 2 (5 pce) 0009...
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Parts lists Hydraulics (cont.) Pos. Part 0046 Casing CIL2 PPs 0047 Safety valve 3 bar 0048 Fascia = 5.0 0049 Connection pipe, heating flow WZ (heat generator) 0050 Gasket set A 23 x 30 x 2 (5 pce) 0051 Wire fuse (5 pce) 0052 Circulation pump UPM3 15-75 KM...
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Parts lists Hydraulic block (cont.) Pos. Part 0001 Temperature sensor 0002 O-ring set 17.86 x 2.62 (5 pce) 0003 O-ring set 9.6 x 2.4 (5 pce) 0004 Gasket set A 17 x 24 x 2 (5 pce) 0005 Profile gasket (4 pce) 0006 Overflow valve HDS 20-230 0007...
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Parts lists Control unit (cont.) Pos. Part 0001 Control unit VBC138-A60.0xx 0002 Casing back panel 0004 Fuse, 6.3 A (slow), 250 V (10 pce) 0005 Fuse holder, 6.3 A (slow) 0006 Vitotronic 100 HC1B 0007 Vitotronic 200 HO1B 0008 LON HO1 communication module 0009 PCB adaptor 0010...
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Parts lists Miscellaneous (cont.) 0001 Touch-up spray paint, white 0002 Touch-up paint stick, white 0003 Special grease 0004 Operating instructions for constant temperature mode 0005 Operating instructions for weather-compensated mode 0006 Operating instructions for weather-compensated operation with touchscreen 0007 Installation and service instructions with HC1B 0008 Installation and service instructions with HO1B 0009...
Parts lists Ordering individual parts for accessories Please affix accessory labels with part numbers here. Please state the relevant part no. when ordering indi- vidual parts.
Function description °C Fig. 63 Heating mode The selected set boiler water temperature will be main- The electronic temperature limiter inside the burner tained when a demand is being raised by the room control unit limits the boiler water temperature. thermostat and the heating program is set to DHW and Flow temperature setting range: 20 to 74 °C.
Function description Internal extensions Internal H1 extension Fig. 64 The internal extension is integrated into the control unit ■ Heating circuit pump for heating circuit without mixer enclosure. The following alternative functions can be (parameter/code "53:2") connected to relay output .
Function description Internal extensions (cont.) Internal H2 extension Fig. 65 The internal extension is integrated into the control unit Heating circuit pump for heating circuit without mixer ■ enclosure. The following alternative functions can be (parameter/code "53:2") connected to relay output .
Function description External extensions (accessories) AM1 extension Fig. 66 Circulation pump A Power supply for additional accessories fÖ Circulation pump KM-BUS Power supply fÖ Functions Select the output functions via parameter changes/ codes at the boiler control unit. One of the following circulation pumps can be connec- ted to each of connections A1 and A2: Heating circuit pump for heating circuit without mixer ■...
Function description External extensions (accessories) (cont.) The effect of the operating program changeover is Analogue input 0 10 V – selected via parameter/coding address d5 in the "Heating circuit" group. The 0 10 V hook-up provides an additional set boiler –...
Function description Control functions (cont.) Heating program - changeover Code Changeover via input DE1 d8:1 Changeover via input DE2 d8:2 Changeover via input DE3 d8:3 External blocking The functions "External blocking" and "External block- The function is selected via the following coding ing with fault message input"...
Function description Control functions (cont.) Filling program In the delivered condition, the diverter valve is set to its Filling with the control unit switched on central position, enabling the system to be filled com- pletely. After the control unit has been switched on, the If the system is to be filled with the control unit diverter valve no longer goes into its central position.
Connection and wiring diagram Connection and wiring diagram internal connections – Fig. 68 Main PCB Stepper motor for diverter valve dÖ X... Electrical interfaces Temperature limiter Boiler water temperature sensor § Ignition unit Outlet temperature sensor Fan motor a-Ö Ionisation electrode A Fan motor control a-Ö...
Connection and wiring diagram Connection and wiring diagram external connections – Fig. 69 Main PCB Cylinder temperature sensor (plug on cable har- Switching mode power supply ness) Optolink Internal circulation pump sÖ Burner control unit Cylinder loading pump Programming unit DHW circulation pump (connect DHW circula- Coding card tion pumps with standalone functions directly to...
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Connection and wiring diagram Connection and wiring diagram external… – (cont.) KM-BUS CO limiter...
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Commissioning/service reports Commissioning/service reports Settings and test values Set value Commission- Maintenance/ Maintenance/ service service Date Signature Static pressure mbar 57.5 ≤ 5.75 ≤ Supply pressure (flow pres- sure) For natural gas ..mbar See supply pressure ta- ble (commis- For LPG ..
Specification Specification Rated heating output range At T 50/30 °C (P(50/30)) 1.9 - 13 1.9 - 19 2.6 - 26 1.8 (3.5) At T 80/60 °C (Pn(80/60)) 1.7 - 12.1 1.7 - 17.6 2.4 - 24.1 1.6 (3.2) - 32.5 Rated heating output for DHW heating 1.7 - 17.6 1.7 - 17.6...
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Specification Specification (cont.) Note The supply values are only for reference (e.g. in the gas contract application) or for a supplementary, rough estimate to check the volumetric settings. Due to fac- tory settings, the gas pressure must not be altered from these values.
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Final decommissioning and disposal Viessmann products can be recycled. Components For decommissioning the system, isolate the system and substances from the system are not part of ordi- from the power supply and allow components to cool nary household waste. down where appropriate.
Certificates Declaration of conformity Vitodens 222-F, type B2TB 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: 92/42/EEC Efficiency Directive 2009/125/EU...
Certificates Manufacturer's certificate according to the 1st BImSchV [Germany] We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, confirm that the product Vitodens 222-F, type B2TB, complies with the NO limits specified by the 1st BImSchV Paragraph 6 [Germany]. Allendorf, 1 August 2017 Viessmann Werke GmbH &...
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Keyword index Keyword index Actuator test............... 62 Gas supply pressure..........31 Anode, checking............42 Gas train ..............31 Anode, replacing............42 Gas type..............30 Assembly..............81 Gas type conversion..........30 Back draught safety device........37 Heating output, setting..........33 Boiler, draining on the DHW side....... 41 Heating surfaces, cleaning........37, 39 Boiler water temperature sensor........
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