High efficiency boilers, storage combination units, dhw heating in conjunction with boilers and solar collectors (56 pages)
Summary of Contents for Viessmann Vitodens 222-F B2TA
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VIESMANN Installation and service instructions for contractors Vitodens 222-F Type B2TA, 3.2 to 35 kW Gas condensing storage combi boiler g: Gas council no. 41-819-15; 41-819-16; 41-819-17 Natural gas and LPG version For applicability, see the last page VITODENS 222-F Please keep safe.
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Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and mate- rial losses. Safety instructions explained ■ Codes of practice of the relevant trade associations Danger ■ All current safety regulations as This symbol warns against the defined by DIN, EN, DVGW, TRGI, risk of injury.
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If the boiler is operated at Defective components must be the same time, this can lead to reverse replaced with genuine flow of the flue gas. Viessmann spare parts.
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Installing non-author- ised components and making non-approved modifications or conversions can compromise safety and may invalidate our warranty. For replacements, use only orig- inal spare parts supplied or approved by Viessmann.
Index Index Installation instructions Preparing for installation Intended use......................Product information....................Preparing for boiler installation................Installing the boiler Removing the front panels................... 12 Siting and levelling the boiler................13 Connections on the heating water and the DHW side.......... 14 Condensate connection..................15 Flue gas connection.....................
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Index Index (cont.) Troubleshooting Fault display......................120 Fault codes......................122 Repair........................137 Function description Constant temperature control unit................ 149 Weather-compensated control unit..............150 Internal extensions....................152 External extensions (accessories)................ 154 Control functions....................158 Allocating heating circuits to the remote control........... 166 Electronic combustion control unit................
Preparing for installation Intended use The appliance is only intended to be Any usage beyond this must be installed and operated in sealed unven- approved by the manufacturer for the ted heating systems that comply with individual case. EN 12828, with due attention paid to the associated installation, service and Incorrect usage or operation of the appli- operating instructions.
Preparing for installation Preparing for boiler installation Use a connection set or connection kit, Please note available as an accessory, to make the Avoid device damage. connection on the gas and water sides. Connect all pipework free of load and torque stress. Fitting accessories Fit all accessories that are installed from The following diagram shows sample...
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Preparing for installation Preparing for boiler installation (cont.) H Side condensate drain K Wiring area Rated heating 3.2 to 5.2 to output range 26 kW 35 kW a (mm) b (mm) c (mm) 1172 d (mm) 1027 1227 e (mm) 1082 1302 f (mm)
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Preparing for installation Preparing for boiler installation (cont.) 2. Prepare the connections on the DHW side. Install the safety assembly (accessory or on-site provision) in accordance with DIN 1988 and EN 806 in the cold water line (see page 11). Recommendation: Install the safety valve above the DHW cylinder to protect it against...
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Preparing for installation Preparing for boiler installation (cont.) Safety assembly in accordance with DIN 1988 and EN 806 to the cold water connection A Safety assembly (accessory for the G Non-return valve connection sets on unfinished H Drain walls) K Cold water B Safety valve L Drinking water filter C Visible discharge pipe outlet point...
Installing the boiler Connections on the heating water and the DHW side Shown with connection sets for finished walls (accessories) A Heating flow R¾ D Cold water R½ B DHW R½ E Heating return R¾ C DHW circulation R½ (separate accessory) Connection on the domestic hot water side The DHW expansion vessel, available...
Installing the boiler Condensate connection 2. Route condensate hose M to the back (drain in wall G) or to side aper- ture H (see page 8). Note Pull the condensate hose far enough out of the boiler that no unnecessary bends are created inside the boiler.
"Skoberne GmbH flue system" tions enclosed with the technical documen- tation may only be used in conjunction with the Viessmann flue system made by Skoberne. ■ During installation and positioning of the flue system, observe Part L and BS 5440 building regulations...
Installing the boiler Gas connection Information on operation with LPG 2. Carry out a tightness test. We recommend the installation of an external safety solenoid valve when Note installing the boiler in rooms below Only use suitable and approved leak ground level.
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Installing the boiler Gas connection (cont.) Please note 3. Vent the gas line. Excessive test pressure may damage the boiler and the gas Conversion to other gas types: valve. See page 44. Max. test pressure 150 mbar (15 kPa). Where higher pres- sure is required for tightness tests, disconnect the boiler and the gas valves from the...
Installing the boiler Electrical connections Please note Before beginning work, touch Electronic assemblies can be earthed objects, such as heating damaged by electrostatic dis- or water pipes, to discharge static charge. loads. 230V~ 230V~ 3 2 1 A Radio clock receiver B Jumper...
Installing the boiler Electrical connections (cont.) Connections at plug 230 V~ Information on connecting fÖ Power supply accessories lH ■ Power supply for accessories When connecting accessories ■ External demand/blocking observe the separate installation ■ Room temperature control unit instructions provided with them. (remove jumper B when making this connection): –...
Installing the boiler Electrical connections (cont.) Fitting location for outside tempera- ■ Not immediately below balconies or ture sensor gutters ■ Never render over ■ North or north-western wall, 2 to 2.5 m above ground level; in multi Outside temperature sensor connec- storey buildings, in the upper half of tion the second floor...
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Installing the boiler Electrical connections (cont.) Plug lH Extension EA1 A Floating contact A Floating contact (when connecting, B Extension EA1 remove jumper across L and 1) Codes Codes ■ "4b:1" in group "General"/1. ■ Set "3A" (DE1), "3b" (DE2) or "3C" ■...
Installing the boiler Electrical connections (cont.) 0 – 1 V ≙ No default set boiler water temperature ≙ Set value 10 °C ≙ Set value 100 °C [{{] fÖ 0-10V 10 V Ö L ? N 230 V~ 0-10 V External blocking via switching contact Connection options: Please note...
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Installing the boiler Electrical connections (cont.) Plug lH Extension EA1 A Floating contact A Floating contact (when connecting, B Extension EA1 remove jumper across L and 1) Codes Codes ■ "4b:2" in group "General"/1 ■ Set "3A" (DE1), "3b" (DE2) or "3C" ■...
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Installing the boiler Electrical connections (cont.) Power supply to all accessories via heat source control unit Some accessories with direct power supply A Heat source control unit D Extensions AM1 or EA1 B Extension kit for heating circuit with E ON/OFF switch mixer M2 C Extension kit for heating circuit with mixer M3...
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Installing the boiler Electrical connections (cont.) Power supply fÖ ■ Remove existing wires from plug fÖ. Danger Incorrect core allocation can ■ Install an isolator in the power cable result in serious injury and dam- which simultaneously separates all age to the appliance. non-earthed conductors from the Take care not to interchange mains with contact separation of at...
Installing the boiler Electrical connections (cont.) Routing the connecting cables Please note When routing and securing Connecting cables will be dam- cables/leads on site, ensure that aged if they touch hot compo- the maximum permissible tem- nents. peratures for these cables/leads are not exceeded.
Installing the boiler Closing the control unit casing...
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Installing the boiler Closing the control unit casing (cont.) Insert programming unit (packed sepa- rately) into the control unit support. Note The programming unit can also be inser- ted into a wall mounting base (accesso- ries) near the boiler. Wall mounting base installation instructions...
Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance For further information regarding the individual steps, see the page indicated Commissioning steps Inspection steps Maintenance steps Page • • 1. Removing the front panels..........35 • 2. Checking the power supply •...
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Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • 21. Checking the burner gasket and burner gauze assembly................. 51 • • 22. Checking and adjusting the ignition and ionisation electrodes................ 52 •...
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Commissioning, inspection, maintenance Steps - commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • 42. Connecting the control unit to the LON....... 73 • 43. Scanning and resetting the "Service" display..... 75 • • • 44. Fitting the cover panel and front panels...... 76 •...
Commissioning, inspection, maintenance Further details regarding the individual steps Removing the front panels See page 12 Filling the heating system Fill water Please note Unsuitable fill water increases the level of deposits and corro- sion and may lead to boiler dam- age.
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Shown with connection set for finished walls (accessories) 1. Check the pre-charge pressure of the 5. If the control unit had already been diaphragm expansion vessel (see switched on before filling began: page 61).
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Activating the filling function Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and å simultaneously for 1. Press OK and å simultaneously for approx. 4 s. approx.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Sprache Deutsch ê ç Bulgarski ê Cesky ê Dansk ê Wählen mit Setting the time and date - only for weather-compensated control units The time and date need to be reset dur- 3.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Venting the boiler 1. Close the shut-off valves on the heat- ing water side. 2. Remove cover panel A. 3. Push the drain hose onto air vent valve B and connect to a drain. 4.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Venting the heating system 1. Close the gas shut-off valve and 4. Check the system pressure. switch the control unit ON. 5. Open the gas shut-off valve. 2. Check whether the air vent screw in quick-action air vent valve A in the heating circuit pump is open.
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Activating the venting function Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and å simultaneously for 1. Press OK and å simultaneously for approx. 4 s. approx.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Filling the siphon with water 1. Pivot control unit forward. 6. Check that the condensate pipe is connected correctly to the siphon and 2. Remove retaining clip A. heat exchanger. 3.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Designating heating circuits - only for weather-compensated control units In the delivered condition, the heating Enter names for heating cir- circuits are designated "Heating circuit cuits: 1", "Heating circuit 2" and "Heating Operating instructions circuit 3"...
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Gas type conversion (only for operation with LPG) 1. Set adjusting screw A on the gas train to "2". 2. Switch ON/OFF switch 3. Select the gas type in coding address "82".
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Check the supply (flow) pressure. Set value: ■ Natural gas: 20 mbar (2.0 kPa) ■ LPG: 50 mbar (5.0 kPa) Note Use a suitable measuring device with a resolution of at least 0.1 mbar (0.01 kPa) to check the supply pres- sure.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Supply pressure (flow pressure) Action For natural gas For LPG Below 17.4 mbar Below 42.5 mbar Do not start the boiler. Notify your gas (1.74 kPa) (4.25 kPa) supply utility or LPG supplier. 17.4 to 25 mbar 42.5 to 57.5 mbar Start the boiler.
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Gas train opens Fault EE Check the gas train (control voltage 230 V) and gas supply pressure Ionisation current Fault EE Check the ionisa- builds tion electrode ad- Symbol A justment and the gas line for air- locks.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Weather-compensated control unit Constant temperature control unit Service menu Service menu 1. Press OK and å simultaneously for 1. Press OK and å simultaneously for approx. 4 s. approx. 4 s. 2.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Burner removal 4. Undo gas supply pipe fitting F. 1. Switch OFF the power supply and the ON/OFF switch at the control unit. 5. Undo four screws G and remove the 2.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the burner gasket and burner gauze assembly Check burner gasket A and burner gauze assembly E for possible damage and replace if required. 1. Remove electrodes B. 3. Undo two Torx screws and remove burner gauze assembly E with gas- 2.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 5. Fit thermal insulation ring D. 6. Fit electrodes B. Torque: 4.5 Nm. Checking and adjusting the ignition and ionisation electrodes ±1 A Ignition electrodes B Ionisation electrode 1. Check the electrodes for wear and 3.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Use a vacuum cleaner to remove deposits from heating surfaces A of the heat exchanger. 2. If required, rinse heating surfaces A with water. 3. Check condensate drain and clean siphon.
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Check at the siphon that the conden- 7. Fill siphon with water and reassemble sate can drain freely. with retaining clip A. 2. Remove retaining clip A. 8. Check that the condensate pipe is connected correctly to the siphon and 3.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Installing the burner 1. Install the burner and tighten screws 3. Check the gas connections for tight- G diagonally with 8.5 Nm. ness. 2. Fit gas supply pipe F with a new gasket.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Connect cables from fan motor A, Danger Escaping gas leads to a risk of gas train B, ionisation electrode explosion. C, ignition unit D and earth tab Check all fittings for gas tight- ness.
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Remove cover A. 3. Connect tester (up to 5 mA ) in series between tab C and earth cable B. 2. Remove earth cable B from tab ■ If the current measures > 0.3 mA, the anode is OK.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Draining the boiler on the DHW side 2. Turn drain valve from lever position A (operational) to lever position B or C as required. ■ Lever position B: Drain drinking water circuit in appliance exclud- ing DHW cylinder via the cold water connection.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the primary store Note According to EN 806, a visual inspection and (if necessary) cleaning must be car- ried out no later than two years after commissioning and thereafter as required.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking and replacing the magnesium anode (if required) Check the magnesium anode. If it is dis- covered that the anode has degraded to 10 to 15 mm Ø, we recommend replac- ing the magnesium anode.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the expansion vessel and system pressure Check whether the installed diaphragm expansion vessel is adequate for the system water pressure (only g). Note Carry out this test on a cold system. 1.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the pre-charge pressure and the DHW expansion ves- sel (if installed) 1. Check the static pressure of the DHW line downstream of the pressure reducer and adjust if required. Set value: max.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the combustion quality The electronic combustion controller Note automatically ensures optimum combus- During commissioning, the combustion tion quality. During commissioning/ controller carries out an automatic cali- maintenance, only the combustion val- bration.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 7. Check the CO content. Should the 8. After testing, press OK. actual value deviate from the afore- 9. Enter actual values into the report. mentioned ranges by more than 1 %, implement steps from page 63.
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System version 1 One heating circuit without mixer A1 1 Vitodens 222-F 3 Vitotrol 100 (only for constant tem- perature control units) 2 Outside temperature sensor (only 4 Heating circuit without mixer A1 for weather-compensated control units) (heating circuit 1)
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System version 2 One heating circuit with mixer M2 and a low loss header 1 Vitodens 222-F 5 Flow temperature sensor M2 2 Outside temperature sensor 6 Heating circuit pump M2 3 Heating circuit with mixer M2 (heat- 7 Extension kit for one heating circuit ing circuit 2)
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System version 3 One heating circuit without mixer A1 and one heating circuit with mixer M2 1 Vitodens 222-F 6 Flow temperature sensor M2 2 Outside temperature sensor 7 Heating circuit pump M2 3 Heating circuit without mixer A1 8 Extension kit for one heating circuit (heating circuit 1)
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Function/system components Code Adjust Group Operation with LPG 82:1 "General" System only with one heating circuit with mixer with 00:4 "General" extension kit for mixer (without unregulated heating circuit) with DHW heating System with DHW circulation pump: DHW circulation pump connection at internal exten- —...
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 9 Heat exchanger for system separa- qP Assembly kit with mixer (accesso- tion ries) Function/system components Code Adjust Group Operation with LPG 82:1 "General" System only with one heating circuit with mixer with 00:4 "General"...
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 5 Heating circuit with mixer M2 (heat- qQ Flow temperature sensor M3 ing circuit 2) qW Heating circuit pump M3 6 Flow temperature sensor M2 qE Extension kit for one heating circuit 7 Heating circuit pump M2 with mixer M3 8 Extension kit for one heating circuit...
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Note The differential temperature is adjusta- If the heating system includes heating ble via coding address "9F" in the "Gen- circuits with mixers, then the flow tem- eral" group. perature of the heating circuit without mixer is higher by a selected differential (8 K in the delivered condition) than the flow temperature of the heating circuits...
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Standard set room temperature Reduced set room temperature Example 1: Adjustment of the standard Example 2: Adjustment of the reduced set room temperature from 20 to 26 °C set room temperature from 5 °C to 14 °C A Boiler water temperature or flow temperature in °C...
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Extended menu: 1. å 2. "Heating" 3. Select heating circuit. 4. "Heating curve" 5. "Slope" or "Level" 6. Select heating curve according to the system requirements. Outside temperature in °C A Changing the slope B Changing the level (vertical parallel offset of the heating curve)
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Control unit receives — outside temperature, outside tempera- outside tempera- Set code "97:2". ture, ture, Set code "97:1". Set code "97:1". Viessmann system Viessmann system Viessmann system — number, number, number, Code "98:1". Code "98:1". Code "98:1". LON subscriber fault...
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) ■ Successfully tested subscribers are Note designated with "OK". During the subscriber check, the display ■ Unsuccessfully tested subscribers are for the relevant subscriber shows the designated with "Not OK". subscriber no.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Weather-compensated control unit Constant temperature control unit After the service has been carried out: Reset the codes Service menu: Reset code "24:1" in group 2 to "24:0". 1. Press OK and å simultaneously for approx.
Code 1 Calling up coding level 1 ■ On weather-compensated control The heating circuit without mixer is units, codes are displayed as plain designated "Heating circuit 1" and text. the heating circuits with mixer as ■ Codes that have not been assigned "Heating circuit 2"...
Code 1 "General"/group 1 Select "General" for weather-compen- Select "1" for constant temperature con- sated control units (see page 77). trol units (see page 77). Coding Coding in the delivered condition Possible change System design 00:2 One heating circuit with- 00:4 For system schemes, see out mixer A1 (heating cir-...
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Code 1 "General"/group 1 (cont.) Coding in the delivered condition Possible change Internal circulation pump function 51:0 Internal circulation pump 51:1 System with low loss head- always starts when there is a heat demand When there is a heat de- mand, the internal circula- tion pump is only started if the burner is operational.
Code 1 "General"/group 1 (cont.) Coding in the delivered condition Possible change Lock out controls 8F:0 Operation in the standard 8F:1 Operation in standard menu and extended menu and extended menu menu enabled blocked. Emissions test mode can Note be enabled The respective code is 8F:2 Operation enabled in the...
Code 1 "Boiler"/group 2 (cont.) Coding in the delivered condition Possible change Service interval in months 23:0 No interval for burner 23:1 Interval adjustable from 1 service to 24 months 23:24 Service status 24:0 "Service" not shown on 24:1 "Service" is shown on dis- display play (the address is auto- matically set and must be...
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Code 1 "Heating circuit ..."/group 5 (cont.) Coding Coding in the delivered condition Possible change Economy function outside temperature A5:5 With heating circuit pump A5:0 Without heating circuit logic function (economy pump logic function control): heating circuit A5:1 With heating circuit pump pump "OFF"...
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Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Extended economy function adjusted outside temperature A6:36 Extended economy con- A6:5 Extended economy control trol disabled (only for enabled, i.e. the burner and weather-compensated A6:35 heating circuit pump will control units) stop and the mixer will be closed at a variable value,...
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Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Weather-compensated/room temperature hook-up b0:0 Only for heating circuit b0:1 Heating mode: weather- with mixer and remote compensated. control: Reduced mode: With room Heating mode/reduced temperature hook-up mode: Weather-compen- b0:2 Heating mode: With room...
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Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Min. flow temperature heating circuit C5:20 Electronic minimum flow C5:1 Minimum limit adjustable temperature limit 20 °C from 1 to 127 °C (limited by (only in operation with C5:127 boiler-specific parameters) standard room tempera-...
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Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Max. pump speed in standard mode E6:... Only for heating systems E6:0 Maximum speed adjusta- without a heating circuit ble from 0 to 100 % with mixer: E6:100 Maximum speed of the in- ternal variable speed...
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Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Party mode time limit F2:8 Time limit for party mode F2:0 No time limit. or external heating pro- F2:1 Time limit adjustable from 1 gram changeover via to 12 h pushbutton: 8 h (only for F2:12...
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Code 1 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Start temperature raising F8:–5 Temperature limit for ter- F8:+10 Temperature limit adjusta- minating reduced mode ble from –5 °C, see example on F8:–60 +10 to –60 °C page 163.
Code 2 Calling up coding level 2 ■ All codes are accessible in coding If the heating circuits were given indi- level 2. vidual designations, the selected des- ■ Codes that have not been assigned ignation and "HC1", "HC2" or "HC3" due to the heating system equipment appear instead.
Code 2 Calling up coding level 2 (cont.) Weather-compensated control unit Constant temperature control unit Resetting all codes to their delivered condition Select "Standard setting". Select "7" with Ú and confirm with OK. When " " flashes, confirm with OK. Note This also resets codes at coding level 1.
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Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 11:≠9 No access to the coding 11:9 Access open to the coding addresses for the com- addresses for the combus- bustion controller param- tion controller parameters eters 25:0 Without outside tempera- 25:1 With outside temperature...
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Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 3A:4 External blocking with fault message input. Internal circulation pump function: Coding address "3E" in this group. 3A:5 Fault message input 3A:6 Brief operation, DHW cir- culation pump (pushbutton function).
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Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 3C:0 Function input DE3 at ex- 3C:1 Heating program - change- tension EA1: over No function 3C:2 External demand with set flow temperature. Set value setting: Coding address "9b" in this group. Internal circulation pump function: Coding address "3F"...
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Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 51:0 Internal circulation pump 51:1 System with low loss head- always starts when there is a heat demand When there is a heat de- mand, the internal circula- tion pump is only started if the burner is operational.
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Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 10 - 97 = Vitotronic 200-H 98 = Vitogate 99 = Vitocom 79:1 With LON communication 79:0 Control unit is not fault module: manager Control unit is fault man- ager (only for weather- compensated control units)
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Vitotronic 200-H ed internally (only for weather-compensated control units) 98:1 With LON communication 98:1 System number adjustable module: from 1 to 5 Viessmann system num- 98:5 ber (in conjunction with monitoring several sys- tems via Vitocom 300)
Code 2 "General"/group 1 (cont.) Coding in the delivered condition Possible change 99:0 Do not adjust 9A:0 Do not adjust 9b:70 Set flow temperature for 9b:0 Set value adjustable from 0 external demand 70 °C to 127 °C (limited by boiler- 9b:127 specific parameters) 9C:20...
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Code 2 "Boiler"/group 2 (cont.) Coding in the delivered condition Possible change Pause time set permanent- ly (specified by boiler cod- ing card) 06:... Maximum limit of the boil- 06:20 Maximum limit adjustable er water temperature, de- within the ranges specified faulted in °C by the boiler 06:127 by the boiler...
Code 2 "Boiler"/group 2 (cont.) Coding in the delivered condition Possible change 31:... Set speed in % of the in- 31:0 Set speed adjustable from ternal circulation pump 0 to 100 % when operated as boiler 31:100 circuit pump, specified by the boiler coding card 38:0 Status burner control unit:...
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Code 2 "DHW"/group 3 (cont.) Coding in the delivered condition Possible change 60:20 During DHW heating, the 60:5 The difference between the boiler water temperature boiler water temperature is max. 20 K higher than 60:25 and the set DHW tempera- the set DHW tempera- ture is adjustable from 5 to ture...
Code 2 "DHW"/group 3 (cont.) Coding in the delivered condition Possible change 73:6 "ON" 6 times per hour for 5 min 73:7 Constantly "ON" "Heating circuit ..."/group 5 Select "Heating circuit ..." for weather- Select "5" for constant temperature con- compensated control units (see trol units (see page 89).
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Code 2 "Heating circuit ..."/group 5 (cont.) Parameter Heating circ pump Address A3:... "ON" "OFF" –6 –7 °C –5 °C –5 –6 °C –4 °C –4 –5 °C –3 °C –3 –4 °C –2 °C –2 –3 °C –1 °C –1 –2 °C 0 °C...
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Code 2 "Heating circuit ..."/group 5 (cont.) Parameter address With heating circuit pump logic function: Heating cir- A5:... cuit pump "OFF" AT > RT + 3 K AT > RT + 2 K AT > RT + 1 K AT > RT AT >...
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Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change A8:1 Heating circuit with mixer A8:0 Heating circuit with mixer creates a demand for the creates no demand for the internal circulation pump internal circulation pump (only for weather-com- pensated control units) A9:7...
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Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change No room temperature-de- pendent heating circuit pump logic function (only for weather-compensa- ted control units) Parameter ad- With heating circuit pump logic function: dress b5:... Heating circuit pump "OFF" Heating circuit pump "ON"...
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Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change d5:0 With external heating pro- d5:1 The heating program gram changeover (ob- changes to "Constant op- serve setting for coding eration with standard room addresses "3A", "3b" and temperature".
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Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change d8:3 Heating program change- over via input DE3. E1:1 Do not adjust E2:50 With remote control: E2:0 Display correction –5 K No display correction for the actual room tempera- E2:49 Display correction –0.1 K ture (only for weather-...
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Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Minimum speed of the in- ternal variable speed heating circuit pump in operation with reduced room temperature sub- ject to the setting in cod- ing address "E9" (only for weather-compensated control units) E9:45...
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Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change Note F2:12 Observe settings of cod- ing addresses "3A", "3b" and "3C" in group "Gen- eral", as well as "d5" and "d8" in group "Heating circuit...". F5:12 Run-on time of the inter- F5:0...
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Code 2 "Heating circuit ..."/group 5 (cont.) Coding in the delivered condition Possible change F9:–14 Temperature limit for rais- F9:+10 Temperature limit for rais- ing the reduced set room ing the set room tempera- temperature –14 °C; see F9:–60 ture to the value selected example on page 163 for standard mode adjusta- (only for weather-com-...
Diagnosis and service scans Service menu Weather-compensated control unit Constant temperature control unit Calling up the service menu 1. Press OK and å simultaneously for 1. Press OK and å simultaneously for approx. 4 s. approx. 4 s. 2. Select required menu. See following "Ü"...
Diagnosis and service scans Service menu (cont.) Note This menu point changes the control unit Do not adjust menu point "Multi-boiler to a constant temperature control unit in system". a multi-boiler system. Diagnosis Operating data Weather-compensated control unit Constant temperature control unit Calling up operating data ■...
Diagnosis and service scans Diagnosis (cont.) Weather-compensated control unit Constant temperature control unit Resetting operating data Saved operating data (e.g. hours run) can Saved operating data (e.g. hours run) can be reset to "0". be reset to "0". The value "Adjusted outside temp" is re- set to the actual value.
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Diagnosis and service scans Diagnosis (cont.) For an explanation of the relevant values in the individual lines and fields, see the following table: Line (brief Field scan) System schemes 01 Software version Software version to 10 Control unit Programming unit Appliance version Device identification ZE-ID...
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Diagnosis and service scans Diagnosis (cont.) Line (brief Field scan) Heating circuit A1 Heating circuit M2 Heating circuit M3 (without mixer) (with mixer) (with mixer) Remote Software Remote Software Remote Software control version, control version, control version, re- 0: With- remote 0: With- remote...
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Diagnosis and service scans Diagnosis (cont.) Constant temperature control unit Service menu: "Ü" flashes on the display. 1. Press OK and å simultaneously for 2. Confirm with OK. approx. 4 s. 3. Select the required scan with V/v. For example, "A" for "Max. output" (see following table): 4.
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Diagnosis and service scans Diagnosis (cont.) Brief scan Display Variable Software speed version pump Variable 1 Wilo speed pump 2 Grundfos 0: no varia- ble speed pump Software version Burner control unit Setting of Internal details for calibration coding ad- dress "53"...
Diagnosis and service scans Checking outputs (actuator test) Weather-compensated control unit 1. Press OK and å simultaneously for approx. 4 s. 2. "Actuator test" The following relay outputs can be controlled subject to system design: Display Explanation All actuators All actuators are off Base load Burner operates at minimum output;...
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Diagnosis and service scans Checking outputs (actuator test) (cont.) Constant temperature control unit 1. Press OK and å simultaneously for "Ü" flashes on the display. approx. 4 s. 2. Select " " with Ú and confirm with 3. Select required actuator (output) with V/v (see following table): 4.
Troubleshooting Fault display Weather-compensated control unit In the event of a fault, red fault indicator Calling up acknowledged faults A flashes. " " flashes on the display Select "Fault" in the standard menu. and "Fault" is shown. The current faults will be displayed in a list.
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Troubleshooting Fault display (cont.) Constant temperature control unit In the event of a fault, red fault indicator A fault message facility, if connected, will A flashes. The two-digit fault code and be switched OFF. (subject to the type of fault) " " or " " If an acknowledged fault is not remedied, flash on the programming unit display.
Troubleshooting Fault codes Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Service Service required "0F" is only displayed in Note the fault histo- After servicing, se- lect code "24:0". Controls as if Short circuit, Check outside tem- the outside outside tem-...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Regulates with- Lead break, Check low loss out flow tem- system flow header sensor (see perature sen- temperature page 140) sor (low loss sensor If no low loss head- header) er sensor is con-...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code No DHW heat- Short circuit, Check the cylinder cylinder tem- temperature sen- perature sen- sor (see page 140) No DHW heat- Short circuit, Check the outlet outlet temper- temperature sen- ature sensor...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner blocked Short circuit, Check the flue gas flue gas tem- temperature sen- perature sen- sor (see page 144) Control mode Communica- Check connections as per deliv- tion error, and replace pro-...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Communica- Check connec- without remote tion error, re- tions, cable, coding control mote control address "A0" in Vitotrol heat- group "Heating ing circuit 1 circuit..."5/ and re- (without mix- mote control con-...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Communica- Check connec- without remote tion error, re- tions, cable, coding control mote control address "A0" in Vitotrol heat- group "Heating ing circuit 3 circuit..."/5 and re- (with mixer) mote control con-...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Communica- Check connections tion error, and Vitocom 100 Vitocom 100 (see separate in- stallation and serv- ice instructions). Without Vitocom 100: Set code "95:0"...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Control mode Short circuit, Check room tem- without room room temper- perature sensor, influence ature sensor, heating circuit 2 heating circuit 2 (with mixer) Control mode Short circuit, Check room tem-...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Ionisation Check gap be- state current too tween ionisation high during electrode and calibration burner gauze as- sembly (see page 52). In open flue opera- tion, prevent high incidence of dust in...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Ionisation Check ionisation state current too electrode: low during ■ Distance to burn- calibration er gauze assem- bly (see page 52) ■...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Ionisation Check flue system; state current out- remedy flue gas re- side permissi- circulation if re- ble range dur- quired. ing calibration In open flue opera- (deviation...
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Flame signal Check gas supply state is not present (gas pressure and or too weak at gas flow switch). burner start Check gas train.
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Flame is lost Check gas supply state immediately (gas pressure and after it has gas flow switch). formed (dur- Check balanced ing the safety flue system for flue time)
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Flame signal Check ionisation state is already electrode and con- present at necting cable. burner start Press reset button Burner in a fault Fuel valve Check gas train.
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Troubleshooting Fault codes (cont.) Dis- Const. Weath.- System char- Cause Measures played comp. acteristics fault code Burner in a fault Fault, burner Check ignition state control unit electrodes and connecting cables. Check whether a strong interference (EMC) field exists near the appliance. Press reset button Replace control unit if fault persists...
Troubleshooting Repair Putting control unit in maintenance position If required for commissioning and serv- icing, the control unit can be put in a dif- ferent position.
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Troubleshooting Repair (cont.) Drain boiler on the heating water side 1. Close the shut-off valves on the heat- 3. Open drain valve A and drain the ing water side. boiler as much as required. 2. Route hose at drain valve A into a suitable container or drain outlet.
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Troubleshooting Repair (cont.) Checking the outside temperature sensor 2. Test the resistance of the outside temperature sensor across terminals "X3.1" and "X3.2" on the disconnec- ted plug and compare it with the curve. 3. Where actual values deviate severely from the curve values, disconnect the wires at the sensor and repeat the test on the sensor itself.
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Troubleshooting Repair (cont.) Checking the boiler temperature sensor, cylinder temperature sensor or low loss header flow temperature sensor...
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Troubleshooting Repair (cont.) 2. Check the sensor resistance and compare it with the curve. 3. Replace the sensor in the case of severe deviation. Danger The boiler water temperature sensor is immersed in the heating water (risk of scald- ing). 10 30 50 70 90 110 Drain the boiler on the heating Temperature in °C...
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Troubleshooting Repair (cont.) Checking the outlet temperature sensor 1. Pull leads from outlet temperature sensor A. 2. Check the sensor resistance and compare it with the curve. 3. Replace the sensor in the case of severe deviation. Danger The outlet temperature sen- sor is immersed in the DHW (risk of scalding).
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Troubleshooting Repair (cont.) Checking the plate heat exchanger Note During disassembly and once removed, Drain the boiler on its heating water and small amounts of water may escape from DHW side. the plate heat exchanger. 1. Shut off and drain the boiler on the 4.
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Troubleshooting Repair (cont.) 6. Check the connections on the heat- 7. Install in reverse order using new ing water and DHW side for contam- gaskets. ination and scaling; if required, replace the plate heat exchanger. Checking the flue gas temperature sensor The flue gas temperature sensor locks out the boiler when the permissible flue gas temperature is exceeded.
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Troubleshooting Repair (cont.) 2. If necessary, correct the position of 3. Press reset button R and repeat com- the flue gas temperature sensor or missioning. replace faulty flue gas temperature The check is repeated until it is com- sensor. pleted successfully. Checking the temperature limiter If the burner control unit cannot be reset 1.
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Troubleshooting Repair (cont.) Checking the fuse 1. Switch off the power. 3. Remove cover A. 2. Release the side closures and pivot 4. Check fuse F1 (see connection and the control unit down. wiring diagram). Extension kit for heating circuit with mixer Checking the setting of rotary selec- Heating circuit Rotary se-...
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Troubleshooting Repair (cont.) Checking the rotational direction of Note the rotational direction of the mixer the mixer motor motor during its self-test. Then set the mixer manually to "Open" After being switched on, the boiler imple- again. ments a self-test. During this, the mixer is opened and closed again.
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Troubleshooting Repair (cont.) Checking flow temperature sensor Pressure drop curve 10 30 50 70 90 110 Temperature in °C Sensor type: NTC 10 kΩ 1. Remove plug ? (flow temperature 2. Check the sensor resistance and sensor). compare it with the curve. Replace the sensor in the case of severe deviation.
Function description Constant temperature control unit °C Heating mode The selected set boiler water tempera- The electronic temperature limiter inside ture will be maintained when a demand the burner control unit limits the boiler is being raised by the room thermostat water temperature.
Function description Weather-compensated control unit 21°C 14°C Boiler temperature 48 °C Heating mode The control unit determines a set boiler The electronic temperature limiter inside water temperature subject to outside the burner control unit limits the boiler temperature or room temperature (if a water temperature.
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Function description Weather-compensated control unit (cont.) Reheating when DHW is drawn off When DHW is drawn off, cold water DHW is regulated to the set temperature enters at the bottom of the primary via the outlet temperature sensor. store. The primary store continues to be heated The heating circuit pump is switched ON up after the draw off process has termi- and the 3-way diverter valve is changed...
Function description Internal extensions Internal extension H1 The internal extension is integrated into ■ Heating circuit pump for heating circuit the control unit casing. The following without mixer (code "53:2") alternative functions can be connected ■ Circulation pump for cylinder heating to relay output sK.
Function description Internal extensions (cont.) Internal extension H2 The internal extension is integrated into ■ Heating circuit pump for heating circuit the control unit casing. The following without mixer (code "53:2") alternative functions can be connected ■ Circulation pump for cylinder heating to relay output sK.
Function description External extensions (accessories) Extension AM1 Circulation pump fÖ A Power supply for additional Circulation pump accessories fÖ Power supply aVG KM BUS...
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Function description External extensions (accessories) (cont.) Functions Select the output functions by means of the codes on the boiler control unit. One of the following circulation pumps can be connected to each of the connec- tions A1 and A2: ■ Heating circuit pump for the heating circuit without mixer ■...
Function description External extensions (accessories) (cont.) Extension EA1 fÖ A Power supply for additional Fuse/MCB accessories Digital input 1 Central fault message/feed Digital input 2 pump/DHW circulation pump Digital input 3 (potential-free) 0 – 10 V 0 – 10 V input KM BUS fÖ...
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Function description External extensions (accessories) (cont.) Digital data inputs DE1 to DE3 The effect of the operating program changeover is selected via coding The following functions can be connec- address d5 in the "Heating circuit" ted alternatively: group. ■ External operating program change- The duration of the changeover is set via over for each heating circuit coding address F2 in the "Heating cir-...
Function description External extensions (accessories) (cont.) Output aBJ Analogue input 0 – 10 V The 0 – 10 V hook-up provides an addi- The following functions can be connec- tional set boiler water temperature: ted to output aBJ: 0 – 1 V is taken as "no default for set ■...
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Function description Control functions (cont.) You can select which direction the heat- ing program changeover takes in coding address "d5" in the "Heating circuit" group: Heating program - changeover Code Changeover towards "Permanently reduced" or "Permanent d5:0 standby" mode (subject to the selected set value) Changeover towards "Constant heating mode"...
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Function description Control functions (cont.) External blocking and fault message input Code Input DE1 3A:4 Input DE2 3b:4 Input DE3 3C:4 The effect on the internal circulation The effect on the relevant heating circuit pump is selected in coding address pump is selected in coding address "3E"...
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Function description Control functions (cont.) Fill program In the delivered condition, the diverter Filling with the control unit switched valve is set to its central position, ena- bling the system to be filled completely. After the control unit has been switched If the system is to be filled with the control on, the diverter valve no longer goes into unit switched on, the diverter valve is...
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Function description Control functions (cont.) Temperature profile 2: (ZV parquet and flooring technology) code "F1:2" Days Temperature profile 3: Code "F1:3" Days Temperature profile 4: Code "F1:4" Days Temperature profile 5: Code "F1:5" Days...
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Function description Control functions (cont.) Temperature profile 6: Code "F1:6" Days Temperature profile 7: Code "F1:15" Days Raising the reduced room temperature During operation with reduced room The outside temperature limits for the temperature, the reduced set room tem- start and end of temperature raising can perature can be automatically raised be set in coding addresses "F8"...
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Function description Control functions (cont.) Example using the settings in the delivered condition -5 -10 -15 Outside temp. in °C A Heating curve for operation with B Heating curve for operation with standard room temperature reduced room temperature Reducing the heat-up time During the transition from operation with The value and duration of the additional reduced room temperature to operation...
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Function description Control functions (cont.) Example using the settings in the delivered condition Time in h A Start of operation with standard D Duration of operation with raised set room temperature boiler water or flow temperature in B Set boiler water or flow temperature accordance with coding address in accordance with the selected "Fb":...
Function description Allocating heating circuits to the remote control The heating circuit allocation must be configured when commissioning the Vitotrol. Heating circuit Vitotrol configuration 200A/200 RF 300A/300 RF The remote control affects the heating circuit with- HC 1 out mixer A1 The remote control affects the heating circuit with HC 2 mixer M2...
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Function description Electronic combustion control unit (cont.) Air ratio λ– CO content Air ratio λ content content content content (%) for natu- (%) for natu- (%) for LPG P ral gas E ral gas LL 1.20 11.3 1.24 10.9 1.27 10.6 1.30 10.3...
Designs Internal connection diagram Main PCB dÖ Stepper motor for diverter valve X... Electrical interfaces Temperature limiter § Boiler water temperature sensor Ignition unit Outlet temperature sensor a-Ö Fan motor Ionisation electrode a-ÖA Fan motor control Flue gas temperature sensor a:Ö...
Parts lists Ordering individual parts The following information is required: Standard parts are available from your ■ Serial no. (see type plate A) local dealer. ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list)
Parts lists Overview of the assemblies (cont.) E Heat cell assembly with MatriX cyl- F Control unit assembly inder burner G Miscellaneous assemblies Casing 0001 Front panel, top 0008 Side panel, right 0002 Logo 0009 Side panel, left 0003 Toggle fastener (set) 0010 Primary store mounting bracket 0004 Cover panel with profiled seal 0011 Top panel insert...
Parts lists Heat cell (cont.) 0018 0004 0002 0001 0015 0004 0003 0018 0001 0004 0007 0012 0013 0010 0018 0013 0005 0013 0012 0006 0011 0012 0014 0007 0008 0007 0019 0009 0016 0017 0019 Control unit 0001 Control unit 0005 Fuse holder 0002 Control unit casing back panel 0006 Programming unit for constant...
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Parts lists Control unit (cont.) 0007 Programming unit for weather- 0015 Locking bolts, left and right compensated mode 0017 Wireless outside temperature 0008 LON module sensor 0009 PCB adaptor 0018 Outside temperature sensor 0010 Cable harness X8/X9/ionisation (hardwired) 0011 Cable harness 100/35/54/PE 0019 KM BUS cable 145 0012 Power cable, stepper motor 0020 Internal extension H1...
Commissioning/service reports Commissioning/service reports Settings and actual values Set value Commis- Mainte- sioning nance/ Service Date Signature Static pressure mbar ≤ 57.5 ≤ 5.75 Supply pressure (flow pres- sure) = for natural gas E mbar 17.4-25 1.74-2.5 = for natural gas LL mbar 17.4-25 1.74-2.5...
Specification Specification Rated voltage 230 V Electronic tempera- Rated frequency 50 Hz ture limiter setting 81 °C Rated current Temperature limiter Safety category setting 100 °C (fixed) IP rating IP X 4 D to Backup fuse (power EN 60529 supply) Max.
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Specification Specification (cont.) Note The connection values are only for doc- umentation purposes (e.g. in the gas contract application) or to estimate a supplementary volumetric settings check. Due to the factory settings, the gas pressure must not be altered from these values.
Certificates Declaration of conformity We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, declare as sole respon- sible body that the product Vitodens 222-F, type B2TA complies with the following standards: DIN 4753 EN 55 014 EN 483 EN 60 335-1 EN 625...
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 B2TA, complies with the NO limits specified by the 1st BImSchV Paragraph 6 [Germany]. Allendorf, 1 January 2013 Viessmann Werke GmbH&Co KG...
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