Viessmann VITOTRONIC 200 Installation And Service Instructions Manual
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Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Weather-compensated, digital boiler control unit
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See also: Technical Data Manual , Quick Reference Manual
VIESMANN
Installation and service instructions
for contractors
Vitotronic 200
Type KO1B, KO2B
Weather-compensated, digital boiler control unit
For applicability, see the last page
VITOTRONIC 200
Please keep safe.
5458 905 GB
12/2014

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Summary of Contents for Viessmann VITOTRONIC 200

  • Page 1 VIESMANN Installation and service instructions for contractors Vitotronic 200 Type KO1B, KO2B Weather-compensated, digital boiler control unit For applicability, see the last page VITOTRONIC 200 Please keep safe. 5458 905 GB 12/2014...
  • Page 2 ■ Statutory regulations for the protection of the envi- For replacements, use only original spare parts ronment supplied or approved by Viessmann. ■ Codes of Practice of the relevant trade associations All current safety regulations as defined by DIN, EN, Safety instructions for operating the system ■...
  • Page 3 Safety instructions Safety instructions (cont.) If you smell flue gas Danger Flue gas can lead to life threatening poisoning. ■ Shut down the heating system. ■ Ventilate the installation site. ■ Close doors to living spaces to prevent flue gases from spreading. Flue systems and combustion air Ensure that flue systems are clear and cannot be sealed, for instance due to accumulation of conden-...

  • Page 4: Table Of Contents

    Changing the slope and level ............. 30 ■ Connecting the control unit to the LON ..........31 Example of a single boiler system with Vitotronic 200-H and ■ Vitocom 200 ..................31 Carrying out a LON subscriber check ..........32 ■...
  • Page 5 Index Index 6. Coding level 1 "General" group ..................34 Coding ....................34 ■ "Boiler" group ..................35 Coding ....................35 ■ "DHW" group ..................36 Coding ....................36 ■ "Solar" group ..................36 "Heating circuit 1", "Heating circuit 2", "Heating circuit 3" group ... 37 Coding ....................
  • Page 6 Index Index (cont.) 12. Components Coding card ................... 84 Fuse ....................... 84 Sensors ....................84 Boiler water, cylinder, buffer, flow and room temperature sensors ..84 ■ Outside temperature sensor ............... 85 ■ Flue gas temperature sensor, part no. 7452 531 ........ 85 ■...
  • Page 7 Product information The Vitotronic 200, type KO1B and KO2B for weather-compensated operation are designed for use in single boiler systems. One heating circuit without mixer and 2 heating circuits with mixer can be controlled.

  • Page 8: Installing The Control Unit Base

    Vitotronic control unit installation Installing the control unit base Boiler installation instructions Fitting the top of the control unit for type KO1B Please note 'Live' voltage can lead to PCB damage. Switch OFF the power supply at the control unit. Fig.1...

  • Page 9: Opening The Control Unit

    Vitotronic control unit installation Opening the control unit Type KO1B Fig.2...

  • Page 10: Type Ko2B

    Vitotronic control unit installation Opening the control unit (cont.) Type KO2B Fig.3 Plugging in the coding card Only insert the boiler coding card supplied with the boiler pack (see table on page 84). Fig.4 Insert the boiler coding card through the opening in the cover into slot "X7".

  • Page 11: Type Ko1B

    Vitotronic control unit installation Adjusting the high limit safety cut-out (if… (cont.) When adjusting the safety cut-out to 100 °C, never set the temperature controller higher than 75 °C. Type KO1B °C Fig.5 Slotted screw for EGO products Slotted screw for JUMO products...

  • Page 12: Type Ko2B

    Vitotronic control unit installation Adjusting the high limit safety cut-out (if… (cont.) °C Fig.6 Slotted screw for Rathgeber products Slotted screw for JUMO products Type KO2B Fig.7...

  • Page 13: Adjusting The Temperature Controller (If Required)

    Vitotronic control unit installation Adjusting the high limit safety cut-out (if… (cont.) °C Fig.8 Slotted screw for EGO products Slotted screw for JUMO products Adjusting the temperature controller (if required) The temperature controller is set to 75 °C in the deliv- 1.

  • Page 14: Type Ko1B

    Vitotronic control unit installation Adjusting the temperature controller (if… (cont.) Type KO1B Fig.9 Type KO2B Fig.10...

  • Page 15: Overview Of Electrical Connections

    Electrical connections Overview of electrical connections Danger Please note Incorrect wiring can lead to serious injury from Electronic assemblies can be damaged by static electrical current and result in appliance dam- loads. age. Prior to commencing work, touch an earthed ■...

  • Page 16: Inserting Cables/Leads And Applying Strain Relief

    Electrical connections Overview of electrical connections (cont.) Plug Component Burner Power supply for accessories External burner start, stage 1 Inserting cables/leads and applying strain relief Blank off unnecessary apertures in the lower part of the control unit with cable grommets (not cut out). Cable with cast-on cable entry Cable without cast-on cable entry Connecting the sensors...

  • Page 17: Connecting The Pumps

    Electrical connections Connecting the sensors (cont.) Wireless outside temperature sensor "Wireless base station" installation and service instructions Connecting the pumps Available pump connections Connections on the 230 V~ PCB Plug Component Heating circuit pump for heating circuit HC1/A1 sÖ Circulation pump for cylinder heating DHW circulation pump Pumps 230 V~ Pumps with power consumption greater than 2 A...

  • Page 18: Pumps 400 V

    Electrical connections Connecting the pumps (cont.) Pumps 400 V~ For switching the contactor L1 L2 L3 N PE Rated current 4(2) A~ Recommended connecting H05VV-F3G 0.75 mm cable H05RN-F3G 0.75 mm Fig.14 Pump To the control unit Contactor External burner start Please note If the contact is closed, burner stage 1 is started and 'Live' contacts lead to short circuits or phase fail-...

  • Page 19: External Demand Via Switching Contact

    Electrical connections External demand via switching contact Connection options: ■ Plug ■ EA1 extension (accessories, see page 91) Connection Please note 'Live' contacts lead to short circuits or phase fail- ure. The external connection must be potential- free. Plug EA1 extension Floating contact EA1 extension Floating contact...

  • Page 20: External Demand Via 0

    Electrical connections External demand via 0 10 V input – (cont.) ≙ No default set boiler water temperature – ≙ Set value 10 °C ≙ 10 V Set value 100 °C [{{] 0-10V fÖ Ö Fig.17 External blocking via switching contact Connection options: Please note ■...

  • Page 21: Codes

    To the control unit To the burner Burner without plug Install the mating plug from Viessmann or from the burner manufacturer; connect the burner cable. Extending two-stage/modulating burners, part no. 7404 960 The function extension is supplied with the boiler.

  • Page 22: Connecting An Atmospheric Burner

    Electrical connections Extending two-stage/modulating burners, part… (cont.) Max. power consumption ■ Two-stage: 1 (0.5) A ■ Modulating: 0.1 (0.05) A Terminal codes T6, T7, T8 Control chain "Burner stage 2", via two- point controller Control chain "modulation controller", via three-point controller From the burner Modulating burner close Modulating burner open/stage 2 ON...

  • Page 23: Extension, Two-Stage Burner, Part No. 7827 417

    Electrical connections Connecting an atmospheric burner (cont.) Terminal codes T1, T2 Control chain Burner fault Hours run meter Fig.20 To the control unit To the burner control unit Extension, two-stage burner, part no. 7827 417 The function extension is supplied with the boiler. BN BU BU BK BN Fig.21...

  • Page 24: Power Supply

    Electrical connections Connecting an atmospheric burner (cont.) Colour coding to IEC 60757 BK Black BN Brown BU Blue Power supply Isolators for non-earthed conductors Danger ■ Install an isolator in the power cable to provide Incorrectly executed electrical installations can omnipolar separation from the mains for all active result in injuries from electrical current and in conductors, corresponding to overvoltage category...

  • Page 25: Power Supply For Several Accessories

    Electrical connections Power supply (cont.) Power supply for several accessories Power supply for all accessories via the control unit Fig.22 Some accessories with direct power supply Fig.23 Boiler control unit EA1 extension and/or solar control module, Extension kit, mixer M2 type SM1 (internal fuse protection 2 A) (internal fuse protection 2 A)

  • Page 26: Control Unit Power Supply

    Electrical connections Power supply (cont.) Control unit power supply 1. Check whether the power cable to the control unit has appropriate fuse protection. 2. Connect the power cable in the wiring chamber. 3. Insert plug into the control unit. fÖ Fig.24 Mains voltage 230 V~ Fuse (max.

  • Page 27: Testing The High Limit Safety Cut-Out

    Commissioning Testing the high limit safety cut-out Type KO1B 1. Hold down the "test" key (position " ") until the 2. Release the "test" key. burner shuts down: The temperature controller " " is bridged. When 3. Wait until the boiler water temperature has dropped the boiler water temperature reaches the safety approx.

  • Page 28: Setting The Date And Time

    Commissioning Setting the date and time The time and date need to be reset during commis- sioning and after a prolonged time out of use. Setting time and date Continue with Fig.27 Adjusting coding addresses The control unit must be adjusted subject to the sys- tem equipment level.

  • Page 29: Set Room Temperature, Adjusting

    Commissioning Adjusting heating curves (cont.) Slope -5 -10 -15 -20 Outside temperature in °C Fig. 28 Example for outside temperature 14 °C − Underfloor heating system, slope 0.2 to 0.8 Low temperature heating system, slope 0.8 to 1.6 Heating systems with a boiler water temperature in excess of 75 °C, slope greater than 1.6 Set room temperature, adjusting Individually adjustable for each heating circuit.

  • Page 30: Changing The Slope And Level

    Commissioning Adjusting heating curves (cont.) 3. Select heating circuit. 4. "Set room temperature" 2. "Heating" 5. Set the required value. 3. Select heating circuit. Reduced set room temperature 4. "Set reduced room temp" 5. Set the required value. 14 °C 3 °C B -20 Fig.

  • Page 31: Connecting The Control Unit To The Lon

    Installation and service instructions ■ The data transfer via LON can take several minutes. Vitotronic 200-H Example of a single boiler system with Vitotronic 200-H and Vitocom 200 Fig.33 Boiler control unit Vitotronic 200-H Vitocom All codes detailed in the table are listed in the "General" group.

  • Page 32: Carrying Out A Lon Subscriber Check

    Commissioning Connecting the control unit to the LON (cont.) Carrying out a LON subscriber check The subscriber check is used to test communication 4. Select subscriber. with the system devices connected to the fault man- ager. 5. Start the subscriber check with "OK". Preconditions: Note ■...

  • Page 33: Calling Up Coding Levels

    Coding levels Calling up coding levels The display of the codes is specified by the heating 2. "Coding level 1" ■ system configuration. ■ The codes are divided into groups: 3. Select group. – "General" – "Boiler" 4. Select coding address. "DHW"...

  • Page 34: General" Group

    The boiler circuit pump runs on after the burner has stopped. Subscriber no. 77:1 LON subscriber number 77:2 LON subscriber number adjustable from 1 to 99: 77:99 1 = Boiler control unit 90 = Vitotronic 200-H – 98 = Vitogate – 99 = Vitocom...

  • Page 35: Boiler" Group

    Coding level 1 "General" group (cont.) Coding in the delivered condition Possible change Detached house/apartment building 7F:1 Detached house 7F:0 Apartment building Holiday program and time program for DHW heating can be set sepa- rately. Lock out controls 8F:0 Operation enabled in standard 8F:1 Operation blocked in standard menu menu and in extended menu.

  • Page 36: Dhw" Group

    Coding level 1 "Boiler" group (cont.) Coding in the delivered condition Possible change Service status 24:0 No "Service" indication on the dis- 24:1 "Service" indicator is shown on the play display (the address is automatically set and must be manually reset after a service has been carried out).

  • Page 37: Heating Circuit 1", "Heating Circuit 2", "Heating Circuit 3" Group

    Coding level 1 "Solar" group (cont.) Coding in the delivered condition Possible change Flow rate solar circuit 0F:70 Solar circuit flow rate at the maxi- 0F:1 Flow rate adjustable from 0.1 to mum pump speed 7 l/min. 25.5 l/min; ≙ 0F:255 1 step 0.1 l/min.
  • Page 38 Coding level 1 "Heating circuit 1", "Heating circuit 2", "Heating circuit 3" group (cont.) Parameter address A5:... With heating circuit pump logic function: Heating circuit pump "OFF" > > – > – Coding in the delivered condition Possible change Extended economy function, adjusted outside temperature A6:36 Extended economy mode disa- A6:5...
  • Page 39 Coding level 1 "Heating circuit 1", "Heating circuit 2", "Heating circuit 3" group (cont.) Parameter address With heating circuit pump logic function: b5:... Heating circuit pump "OFF" Heating circuit pump "ON" + 5 K < RT + 4 K > actual actual + 4 K...
  • Page 40 Coding level 1 "Heating circuit 1", "Heating circuit 2", "Heating circuit 3" group (cont.) Coding in the delivered condition Possible change Party mode time limit F2:8 Time limit for party mode or exter- F2:0 No time limit nal operating program changeover F2:1 Time limit adjustable from 1 to 12 h via pushbutton: 8 h...

  • Page 41: Coding

    Coding level 2 "General" group Coding Coding in the delivered condition Possible change 00:1 One heating circuit without mixer 00:2 For system schemes, see the follow- A1 (heating circuit 1), without ing table DHW heating 00:10 Value address Description 00: ... 1 heating circuit without mixer A1 (heating circuit 1), with DHW heating, is recognised automatically.
  • Page 42 Coding level 2 "General" group (cont.) Coding in the delivered condition Possible change 3b:2 External demand with set minimum boiler water temperature. Setting of set value in coding ad- dress "9b" in this group. 3b:3 External blocking 3b:4 External blocking with fault message 3b:5 Fault message input 3b:6...
  • Page 43 77:1 LON subscriber number 77:2 LON subscriber number adjustable from 1 to 99: 77:99 1 = Boiler control unit 90 = Vitotronic 200-H – 98 = Vitogate – 99 = Vitocom 79:1 With LON communication module: 79:0 Control unit is not fault manager.

  • Page 44: Boiler" Group

    The outside temperature of the temperature. sensor connected to the control 97:2 The control unit sends the outside unit is used internally. temperature to the Vitotronic 200-H. 98:1 Viessmann system number (in 98:1 System number adjustable from 1 to conjunction with monitoring several systems via Vitocom 300).
  • Page 45 Coding level 2 "Boiler" group (cont.) Coding in the delivered condition Possible change ERB80 function (values from 6 to 20 K) 06:74 Electronic maximum limit for boiler 06:20 Maximum limit adjustable from 20 to water temperature set to 74 °C. 127 °C.

  • Page 46: Dhw" Group

    Coding level 2 "Boiler" group (cont.) Coding in the delivered condition Possible change ≙ 1 step 100 h 23:0 No interval for burner service 23:1 Interval adjustable from 1 to 24 months. 23:24 24:0 No "Service" indication on the dis- 24:1 "Service"...

  • Page 47: Solar" Group

    Coding level 2 "DHW" group (cont.) Coding in the delivered condition Possible change 59:0 Cylinder heating: 59:1 Start point adjustable from 1 to 10 K Start point 2.5 K below set value. – Stop point +2.5 K 59:10 5b:0 Do not adjust 5E:0 Circulation pump for cylinder heat- 5E:1...
  • Page 48 Frost protection function for solar 0b:1 Frost protection function for solar cir- circuit switched off cuit switched on (not required with Viessmann heat transfer medium) 0C:1 Delta T monitoring enabled 0C:0 Delta T monitoring disabled No flow rate captured in the solar circuit, or flow rate too low.
  • Page 49 Coding level 2 "Solar" group (cont.) Coding in the delivered condition Possible change 10:0 Target temperature control switch- 10:1 Target temperature control switched ed off (see coding address "11") 11:50 Set solar DHW temperature 50 °C 11:10 The set solar DHW temperature is Target temperature control adjustable from 10 to 90 °C.

  • Page 50: Heating Circuit 1", "Heating Circuit 2", "Heating Circuit 3" Group

    Coding level 2 "Solar" group (cont.) Coding in the delivered condition Possible change 27:15 Cyclical heating time 15 min 27:5 The cyclical heating time is adjusta- Once the DHW cylinder with priori- ble from 5 to 60 min. ty is heated up, the DHW cylinder 27:60 without priority is heated for a max- imum duration equal to the set cy-...
  • Page 51 Coding level 2 "Heating circuit 1", "Heating circuit 2", "Heating circuit 3" group (cont.) Parameter Heating circuit pump Address A3:... "On" "Off" 4 °C 2 °C – – – 3 °C 1 °C – – – 2 °C 0 °C –...
  • Page 52 Coding level 2 "Heating circuit 1", "Heating circuit 2", "Heating circuit 3" group (cont.) Coding in the delivered condition Possible change A6:36 Extended economy mode disa- A6:5 Extended economy mode enabled, bled i.e. at a variably adjustable value be- A6:35 tween 5 and 35 °C plus 1 °C, the burner and heating circuit pump will stop and the mixer will close.
  • Page 53 Coding level 2 "Heating circuit 1", "Heating circuit 2", "Heating circuit 3" group (cont.) Parameter address With heating circuit pump logic function: b5:... Heating circuit pump "OFF" Heating circuit pump "ON" + 3 K < RT + 2 K > actual actual + 2 K...
  • Page 54 Coding level 2 "Heating circuit 1", "Heating circuit 2", "Heating circuit 3" group (cont.) Coding in the delivered condition Possible change Set day value adjustable at the re- E1:2 Set day temperature adjustable from mote control from 10 to 30 °C 17 to 37 °C E2:50 With remote control:...

  • Page 55: Service Scans Calling Up The Service Menu

    Service scans Calling up the service menu Press OK and simultaneously for approx. 4 s. "Service" "Diagnosis" Note "General" "Coding level 2" is only displayed if this level has been enabled: "Heating circuit 1/2/3" Press OK and simultaneously for approx. 4 s. "DHW"...

  • Page 56: Resetting Operating Data

    Service scans Resetting operating data Display Explanation "Adjusted outside temp" The adjusted outside temperature is reset to the actual value. "Max. flue gas temp" Max. flue gas temp "Burner" Burner hours run "Burner starts" Burner starts "Fuel consumption" Fuel consumption In conjunction with a solar thermal system: "Diff t monitor"...

  • Page 57: Carrying Out An Actuator Test

    Service scans Brief scan (cont.) Software ver- sion, EA1 exten- sion LON subnet address/system LON node address number SNVT config. Software ver- Software version, neuron chip Subscriber no. 0: Auto sion, commun- 1: Tool ic. coproc. Heating circuit HC1 Heating circuit HC2 Heating circuit HC3 Remote control Software ver-...

  • Page 58: Checking The Sensors

    Service scans Carrying out an actuator test (cont.) Display Explanation "DHW circ pump" Actuator at output "Central fault message" Central fault message facility at output of EA1 exten- sion. "Htg circ pump HC2" Actuator at output sÖ of mixer extension kit (heating circuit with mixer M2) "Mixer HC2"...

  • Page 59: Calling Up Acknowledged Service Messages

    Service scans Service indicator (cont.) 3. Reset code "24:1" to "24:0" in the "Boiler" group. 5. "Service functions" Note 6. "Service reset" If coding address "24" is not reset, "Service" will The selected service parameters for hours run and be displayed again on the following Monday. time intervals restart at 0.

  • Page 60: Troubleshooting Fault Display

    Troubleshooting Fault display In the event of a fault, the red fault indicator on the For an explanation of the fault code see chapter "Fault control unit flashes. "Fault" is shown on the display codes". flashes. For some faults, the type of fault is also displayed in Press OK to display the fault code.
  • Page 61 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Operates as if the outside Communication error, Check wireless connection (place temperature was 0 °C. wireless outside tempera- wireless outside temperature sen- ture sensor sor close to the wireless base sta- tion).
  • Page 62 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code No heating of heating water Lead break, buffer tem- Check buffer temperature sensor buffer cylinder perature sensor (see page 84). Without buffer temperature sensor: Set code "52:0" in the "General" group.
  • Page 63 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Control mode No flow rate in solar circuit Check solar circuit pump and solar or flow rate too low, or circuit. temperature limiter has re- Acknowledge fault message (see sponded.
  • Page 64 Troubleshooting Fault messages (cont.) Displayed fault System characteristics Cause Measures code Control mode Communication error, Check connections (see EA1 extension page 91). Without EA1 extension: Set code "35:0" in the "General" group. Control mode Lead break, KM BUS to Check KM BUS cable and appli- solar control module or to ance.

  • Page 65: Faults That Are Not Displayed At The Programming Unit

    Troubleshooting Fault messages (cont.) Note "Subscriber fault" ... is displayed in the case of LON subscriber faults. Faults that are not displayed at the programming unit Boiler cold, burner does not start Enable emissions test function (see operating instructions). ⇒ The pumps connected at the control unit are not running ■...
  • Page 66 Troubleshooting Faults that are not displayed at the… (cont.) ⇒ Heating circuit pump not running ■ Is plug 'live' between L and N? sÖ Check fuse F1, 6.3 A (slow). If the fuse has blown: 1. Check pump connection and pump. 1.

  • Page 67: Parts Lists Ordering Parts

    Parts lists Ordering parts 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)

  • Page 68: Parts List Type Ko1B

    Parts lists Parts list type KO1B 0081 0082 0084 0018 0074 0013 0099 0100 0101 0042 0109 0102 0104 0065 0070 0071 0072 Fig.36...
  • Page 69 Parts lists Parts list type KO1B (cont.) Pos. Part 0013 Casing, upper part (drawer) 0018 Programming unit 0042 Temperature sensor with plug 0065 Burner connecting cable with plug (for boilers with pressure-jet oil/gas burners) 0070 Power cable with plug fÖ 0071 5-core burner connecting cable with plug (for boilers with an intermittent ignition system)
  • Page 70 Parts lists Parts list type KO1B (cont.) 0050 0054 0092 0090 0014 0052 0098 0016 0017 0051 0004 0035 0001 0097 0033 0031 0005 0030 0036 0011 0010 0040 Fig.37 Type plate...
  • Page 71 Parts lists Parts list type KO1B (cont.) Pos. Part 0001 Cable clamp 0004 Stop dial for temperature controller 0005 Plug for high limit safety cut-out 0010 Front cover 0011 Front user panel, bottom right 0014 PCB covers 0016 Casing, lower section 0017 Back cover 0030...

  • Page 72: Parts List Type Ko2B

    Parts lists Parts list type KO2B 0081 0082 0017 0084 0010 0099 0100 0074 0007 0109 0101 0102 0040 0104 0042 0065 0071 0072 Fig.38...
  • Page 73 Parts lists Parts list type KO2B (cont.) Pos. Part 0007 Front cover 0010 Casing, upper part 0017 Casing, upper part, back 0040 Outside temperature sensor 0042 Temperature sensor with plug 0065 Burner connecting cable with plug (for boilers with pressure-jet oil/gas burners) 0071 5-core burner connecting cable with plug (for boilers with an intermittent ignition system)
  • Page 74 Parts lists Parts list type KO2B (cont.) 0054 0050 0092 0090 0052 0033 0004 0014 0016 0031 0051 0098 0011 0018 0036 0005 0030 Fig.39...
  • Page 75 Parts lists Parts list type KO2B (cont.) Pos. Part 0004 Stop dial for temperature controller 0005 Plug for high limit safety cut-out 0011 Front user panel 0014 Temperature controller bracket 0016 Casing, lower section 0018 Programming unit 0030 High limit safety cut-out 0031 Temperature controller 0033...

  • Page 76: Function Description Boiler Water Temperature Control

    Function description Boiler water temperature control Brief description The boiler water temperature is regulated by starting The boiler coding card specifies a minimum boiler ■ ■ or stopping the burner or through modulation. In the water temperature that must be maintained to protect delivered condition, the switching differential is 2 K, the boiler.

  • Page 77: Control Sequence For Burner Switching Hysteresis Of 4 K

    Function description Boiler water temperature control (cont.) Time average high heat demand heat demand heat demand Fig.42 Control sequence for burner switching hysteresis of 4 K Boiler goes cold Boiler heats up (Set value 2 K) (set value +2 K) –...
  • Page 78 Function description Heating circuit control unit (cont.) Room temperature The duration of the pump idle time selected via cod- ■ ing address "A9" in the "Heating circuit..." group In conjunction with a remote control and room temper- has been reached. ature hook-up (coding address "b0"...
  • Page 79 Function description Heating circuit control unit (cont.) Temperature profile 2: (ZV parquet and flooring tech- Temperature profile 7: Code "F1:15" nology) code "F1:2" Days Days Fig.49 Fig.44 System dynamics Temperature profile 3: Code "F1:3" You can influence the control characteristics of the mixers via coding address "C4".
  • Page 80 Function description Heating circuit control unit (cont.) Delivered condition: 8 K. Raising the reduced room temperature The differential temperature is the minimum value by which the boiler water temperature should be higher During operation with reduced room temperature, the than the highest currently required flow temperature of reduced set room temperature can be automatically the heating circuit with mixer.

  • Page 81: Control Sequence

    Function description Heating circuit control unit (cont.) Example using the settings in the delivered condition Time Fig.52 Start of operation with standard room temperature Set boiler water/flow temperature in accordance with the selected heating curve Set boiler water/flow temperature in accordance with coding address "FA": 50 °C + 20 % = 60 °C Duration of operation with raised set boiler water/...

  • Page 82: Cylinder Temperature Control

    Function description Cylinder temperature control Brief description Cylinder temperature control is a constant tempera- ■ ture control. It operates by starting and stopping the circulation pump for cylinder heating. The switching differential is 2.5 K. ± ■ When the DHW cylinder is heated, the default set boiler water temperature is 20 K above the set DHW temperature (adjustable via coding address "60"...

  • Page 83: Control Sequence

    Function description Cylinder temperature control (cont.) The set value range can be extended to 90 °C at cod- DHW heating can be blocked or enabled by switching ing address "56" in the "DHW" group. the heating program (see coding address "d5" in the "Heating circuit..."...

  • Page 84: Components

    Components Coding card Boiler Coding card Display in brief scan Identification Part no. spare part Vitola 200, type VB2A, VX2A 00e1:02 7435 808 7834 995 Vitola 222, type VE2A Vitoladens 300-T, type VW3B Vitorond 100, type VR2B, 18 to 63 kW Vitorond 111, type RO2D Vitorondens 200-T, type BR2 and BR2A 01e1:02...

  • Page 85: Outside Temperature Sensor

    Components Sensors (cont.) 1. Pull out corresponding plug. Viessmann NTC 10 k (blue marking) Ω 20.0 2. Check the sensor resistance and compare it with the curve. 10.0 3. In the case of severe deviation, check the installa- tion and replace the sensor if required.

  • Page 86: Radio Clock Receiver

    Components Sensors (cont.) Viessmann NTC 20 k (orange marking) Ω Temperature in °C Fig.55 1. Pull out plug 3. In the case of severe deviation, check the installa- tion and replace the sensor if required. 2. Check the sensor resistance and compare it with the curve.

  • Page 87: Checking The Reception

    Part no. 7301 063 For wall mounting For mixer mounting Components: Components: Mixer PCB with terminals for separate mixer motor Mixer PCB with mixer motor for Viessmann ■ ■ Flow temperature sensor as contact temperature sensor with mixers (not for flanged mixers) ■...

  • Page 88: Rotary Selector Setting

    Components Mixer extension kit (cont.) Fig.57 A1 Main PCB F1 MCB/fuse S1 Rotary selector Plugs 230 V~ LV plug Heating circuit pump (on site) Flow temperature sensor sÖ Power supply 230 V/50 Hz Return temperature sensor (here without fÖ function) Power supply for accessories KM BUS cable for connection with the fÖ...

  • Page 89: Specification

    Components Mixer extension kit (cont.) Specification Rated voltage 230 V~ Rated frequency 50 Hz Rated current Power consumption Wall mounting 1.5 W ■ Mixer mounting 5.5 W ■ Safety category IP rating IP 32 D to EN 60 529, ensure through design/installa- tion Permissible ambient temperature Operation...

  • Page 90: Changing The Rotational Direction Of The Mixer Motor

    Components Mixer extension kit (cont.) Changing the rotational direction of the mixer motor 1. Remove the upper casing cover of the extension kit. Danger An electric shock can be life-threatening. Before opening the boiler, disconnect from the mains voltage, e.g. at the fuse or the mains isolator.

  • Page 91: Ea1 Extension, Part No. 7452 091

    Components EA1 extension, part no. 7452 091 Fig.61 MCB/fuse Power supply fÖ Digital input 1 Power supply for additional accessories fÖ Digital input 2 Switching contact (floating) Digital input 3 KM BUS 10 V 0 10 V input – – Digital inputs DE1 to DE3 Functions: When connecting external contacts, observe the...

  • Page 92: Analogue Input 0

    Components EA1 extension, part no. 7452 091 (cont.) Input function assignment Duration of the operating program changeover Select the input functions by means of the following The changeover only occurs for as long as the switch- codes in the "General" group at the boiler control unit: ing contact is closed.

  • Page 93: External Extension H5, Part No. 7199 249

    Components External extension H5, part no. 7199 249 Connections at plug aBÖ ■ External burner blocking ■ External safety equipment ■ Provisional burner operation Flue gas damper ■ Please note 'Live' contacts lead to short circuits or phase fail- ure. The external connections must be potential- free.

  • Page 94: Motorised Flue Gas Damper

    Components External extension H5, part no. 7199 249 (cont.) Motorised flue gas damper Part no.: 9586 971 to 975 ■ ■ 9589 074 ■ 9542 627 EIN EIN N STB TR TR 1 2 3 Fig.64 Plug aBÖ Flue gas damper motor Limit switch If making this connection, remove jumper "TR –...

  • Page 95: Vitoair Draught Stabiliser, Part No. 7338 725, 7339 703

    Components Vitoair draught stabiliser, part no. 7338 725, 7339 703 Fig.65 To the burner To the control unit Colour coding to IEC 60757 Black GNYE Green/Yellow Function check Press the rotary selector on the motor and simultane- ously turn it to its central position. ⇒...

  • Page 96: Designations In The System Examples

    System examples Designations in the system examples 2/52M1 2/52M2 2/21 2/21 2/28 2/5Sol 26/S2 Fig.67...

  • Page 97: System Example 1, Id: 4605372_1404_04

    Boiler with Control unit Vitola 200, 222 or Vitoladens 300-T with Vitotronic 200, type KO1B ■ Vitorond 100, 111, Vitogas 200-F or Vitorondens 200-T, 222-F with Vitotronic 200, type KO2B ■ Outside temperature sensor ATS Boiler water temperature sensor KTS...
  • Page 98 System examples System example 1, ID: 4605372_1404_04 (cont.) Pos. Designation DHW heating by the boiler DHW cylinder (integrated for the Vitorond 111, Vitola 222 and Vitorondens 222-F) Cylinder temperature sensor STS DHW circulation pump ZP Circulation pump for cylinder heating UPSB Heating circuit 1 Heating circuit pump, heating circuit A1 Divicon heating circuit distributor...
  • Page 99 System examples System example 1, ID: 4605372_1404_04 (cont.) Pos. Designation Radio clock receiver KM BUS distributor, in there are several KM BUS subscribers KM BUS subscribers: EA1 extension ■ Vitotrol 200A ■ Vitotrol 300A ■ Wireless base station ■ Vitocom 100, type GSM2 ■...
  • Page 100 System examples System example 1, ID: 4605372_1404_04 (cont.) Electrical installation scheme HC M2 230 V/50 Hz VTS M2 UPSB 40 M2 Ö 0-10V zO uR KM BUS distributor zT zZ uP oO KM BUS Fig.69...

  • Page 101: System Example 2, Id: 4605373_1404_04

    System examples System example 2, ID: 4605373_1404_04 One heating circuit without mixer and 2 heating circuits with mixer plus DHW heating (optional solar DHW heating) Hydraulic installation scheme Flow Return --51/2-- --51/20-- --41/2-- --51/20-- --2/20-- --41/20-- --51/52-- --41/52-- ---26/24-- --2/28-- --2/21-- -26/24- ----...
  • Page 102 Boiler with Control unit Vitola 200 or Vitoladens 300-T with Vitotronic 200, type KO1B ■ Vitorond 100, Vitogas 200-F or Vitorondens 200-T with Vitotronic 200, type KO2B ■ Outside temperature sensor ATS Boiler water temperature sensor KTS DHW heating by the boiler...
  • Page 103 System examples System example 2, ID: 4605373_1404_04 (cont.) Pos. Designation Heating circuit 3 Extension kit, mixer M3 Components: Flow temperature sensor M3 (contact temperature sensor) Mixer PCB with mixer motor M3 Extension kit, mixer M3 Components: Mixer PCB and flow temperature sensor M3 (contact temperature sensor) Mixer motor M3 Temperature limiter for underfloor heating circuit Heating circuit pump M3 and 3-way mixer...
  • Page 104 System examples System example 2, ID: 4605373_1404_04 (cont.) Pos. Designation Radio clock receiver KM BUS distributor, in there are several KM BUS subscribers KM BUS subscribers: EA1 extension ■ Vitotrol 200A ■ Vitotrol 300A ■ Wireless base station ■ Vitocom 100, type GSM2 ■...
  • Page 105 System examples System example 2, ID: 4605373_1404_04 (cont.) Electrical installation scheme HK M2 230 V/50 Hz VTS M2 UPSB HC M3 VTS M3 KM BUS distributor zT zZ uP oO KM BUS 40 M2 Ö 0-10V Fig.71...

  • Page 106: System Example 3, Id: 4605377_1404_04

    Note: This scheme is a general example without shut-off valves or safety equipment. This does not replace the need for on-site engineering. Equipment required Pos. Designation Boiler with Control unit Vitogas 200-F with Vitotronic 200, type KO2B Outside temperature sensor ATS...
  • Page 107 System examples System example 3, ID: 4605377_1404_04 (cont.) Pos. Designation Shunt pump Boiler water temperature sensor KTS Temperature controller T1 Temperature controller T2 Contactor relay DHW heating by the boiler DHW cylinder Cylinder temperature sensor STS DHW circulation pump ZP Circulation pump for cylinder heating UPSB Heating circuit Extension kit with mixer M2...
  • Page 108 System examples System example 3, ID: 4605377_1404_04 (cont.) Pos. Designation Alternatives to hardwired Vitotrol 200A and 300A remote controls Wireless base station Vitotrol 200 RF Vitotrol 300 RF with table-top dock Vitotrol 300 RF with wall mounting bracket Wireless outside temperature sensor Wireless repeater Radio clock receiver KM BUS distributor, in there are several KM BUS subscribers...
  • Page 109 System examples System example 3, ID: 4605377_1404_04 (cont.) Electrical installation scheme KO2B HK M2 230 V/50 Hz X12 47 UPSB VTS M2 825Ω 40 M2 Ö 0-10V 71 72 KM BUS distributor KM BUS 65 66 70 100 Fig.73...

  • Page 110: System Example 4, Id: 4605378_1404_04

    KO2B Fig. 74 Note: This scheme is a general example without shut-off valves or safety equipment. This does not replace the need for on-site engineering. Equipment required Pos. Designation Boiler with Control unit Vitogas 200-F with Vitotronic 200, type KO2B...
  • Page 111 System examples System example 4, ID: 4605378_1404_04 (cont.) Pos. Designation Outside temperature sensor ATS Distribution pump Boiler water temperature sensor KTS Temperature controller T1 Contactor relay DHW heating by the boiler DHW cylinder Cylinder temperature sensor STS DHW circulation pump ZP Circulation pump for cylinder heating UPSB Heating circuit Extension kit with mixer M2...
  • Page 112 System examples System example 4, ID: 4605378_1404_04 (cont.) Pos. Designation Alternatives to hardwired Vitotrol 200A and 300A remote controls Wireless base station Vitotrol 200 RF Vitotrol 300 RF with table-top dock Vitotrol 300 RF with wall mounting bracket Wireless outside temperature sensor Wireless repeater Radio clock receiver KM BUS distributor, in there are several KM BUS subscribers...
  • Page 113 System examples System example 4, ID: 4605378_1404_04 (cont.) Electrical installation scheme KO2B HK M2 230 V/50 Hz X12 47 UPSB VTS M2 825Ω 40 M2 Ö 0-10V 70 71 KM BUS distributor KM BUS 65 66 69 66 100 Fig.75...

  • Page 114: Connection And Wiring Dia

    Connection and wiring diagram Connection and wiring diagram Fig.76 Type KO1B: Pushbutton Type KO2B: Terminals Main PCB Power supply, accessories/external demand/ Power supply unit PCB external blocking X12 External burner start Programming unit (stage 1) Coding card Optolink PCB LV plug Electrical interfaces Outside temperature sensor (radio clock receiver MCB/fuse...

  • Page 115: Specification

    Specification Specification Rated voltage 230 V~ Rated frequency 50 Hz Rated current 6 A~ Power consumption Safety category IP rating IP 20 D to EN 60 529, ensure through design/installation Function Type 1 B to EN 60730-1 Permiss. ambient temperature Operation 0 to +40 °C ■...

  • Page 116: Settings And Equipment

    Settings and equipment Settings and equipment Tick the modified function. Function in the delivered condition Modified function High limit safety cut-out set to 110 °C Changed to ...°C Temperature controller set to 75 °C Changed to ...°C Remote control With remote control Control without remote control Vitotrol 200 at heating circuit 1 Vitotrol 200 at heating circuit 2...
  • Page 117 Settings and equipment Settings and equipment (cont.) Function in the delivered condition Modified function Heating circuit 1 Heating mode/reduced mode Heating mode: Weather-compensated Weather-compensated Reduced mode: With room temperature hook-up Heating mode: With room temperature hook-up Reduced mode: Weather-compensated Heating mode/reduced mode: With room tempera- ture hook-up Heating circuit 2 Heating mode/reduced mode...
  • Page 118 Settings and equipment Settings and equipment (cont.) Function in the delivered condition Modified function Without auxiliary function for DHW heating. With auxiliary function for DHW heating, input of a ■ second set value of ...ºC. Connected accessories Mixer extension kit for heating circuit with mixer, heating circuit 2 Mixer extension kit for heating circuit with mixer, heating circuit 3...

  • Page 119: Keyword Index

    Keyword index Keyword index External blocking............20 Actuator test, carrying out.......... 57 External burner start...........18 Adaptive cylinder heating........... 83 External demand Adjusting the set room temperature......29 – Via 0 10 V input............ 19 – Adjusting the temperature controller......13 – Via switching contact..........19 Apartment building.............
  • Page 120 Wiring diagram............114 Set DHW temperature..........82 Settings and equipment..........116 Applicability Serial No.: 7441800 7441802 Viessmann Werke GmbH&Co KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com...

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