Viessmann VITODENS 333-F WS3A Service Instructions Manual
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Viessmann VITODENS 333-F WS3A Service Instructions Manual

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VIESMANN
Service instructions
for contractors
Vitodens 333-F
Type WS3A
Compact gas fired condensing boiler
6.6 to 26 kW natural gas and LPG version
For applicability, see the last page
Please keep safe.
5692 731 GB
4/2007

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Summary of Contents for Viessmann VITODENS 333-F WS3A

  • Page 1 VIESMANN Service instructions for contractors Vitodens 333-F Type WS3A Compact gas fired condensing boiler 6.6 to 26 kW natural gas and LPG version For applicability, see the last page Please keep safe. 5692 731 GB 4/2007...

  • Page 2: Safety Instructions

    Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained the Code of Practice of relevant trade associations, Danger all current safety regulations as This symbol warns against the defined by DIN, EN, DVGW, TRGI, risk of injury.
  • Page 3 Instal- charge static loads. ling non-authorised compo- nents and non-approved modifications/conversion can compromise safety and may invalidate our warranty. For replacements, use only ori- ginal spare parts from Viessmann or those which are approved by Viessmann.

  • Page 4: Table Of Contents

    Index Index Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance ........Further details regarding the individual steps ..........Coding Code 1......................41 Code 2......................43 Resetting codes to their delivered condition ..........62 Service scans Service level overview ................63 Temperatures, boiler coding card and brief scans ........
  • Page 5 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. Filling the heating system ..........2.
  • Page 6 Commissioning, inspection, maintenance Steps - commissioning, inspection and . . . (cont.) Commissioning steps Inspection steps Maintenance steps Page 20. Checking the condensate drain and cleaning the siphon ..................21.

  • Page 7: Filling The Heating System

    Commissioning, inspection, maintenance Further details regarding the individual steps Filling the heating system Please note Unsuitable fill water increases the level of deposits and corrosion and may lead to boiler damage. Thoroughly flush the entire heating system prior to filling it with water. Only use fill water of potable quality.

  • Page 8: Venting The Boiler

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Venting the boiler 1. Close the shut-off valves on the heating water side. 2. Connect the drain hose on valve A with a drain. 3. Open valve A and filling valve in the heating return and vent using mains pressure until no more air noise can be heard.

  • Page 9: Filling The Siphon With Water

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Filling the siphon with water 1. Remove the retaining clip and siphon A. 2. Fill the siphon with water. 3. Fit siphon A and secure with the retaining clip. Setting the time and date (if required) only for weather- compensated control units Note...

  • Page 10: Selecting The Language (If Required) Only For Weather-Compensated Control Units

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Selecting the language (if required) only for weather-com- pensated control units Note Press the following keys: When the unit is first taken into opera- tion the display is in German (default 1.

  • Page 11: Pivoting Down The Control Unit For Commissioning And Maintenance Work

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Pivoting down the control unit for commissioning and main- tenance work 1. Undo two screws and push panel 3. Release side closures C and pivot A up and to the left. control unit D forward.

  • Page 12: Gas Type Conversion

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Check the gas type and Wobbe 3. Adjust the gas type via coding index (Wo) with your mains gas or address "1E" at the control unit. LPG supplier and compare them with the details on the burner label.

  • Page 13: Function Sequence And Possible Faults

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Function sequence and possible faults Display screen Measures Control unit is- Increase set sues heat de- value and ensure mand heat is drawn off Fan starts After approx. 51 s Check fan cables fault F5/F9 and plug-in con-...

  • Page 14: Checking The Static And Supply Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Ionisation cur- Fault F4 Check the ionisa- rent builds tion current, (higher than check the elec- 2 µA) trode adjustment Symbol A and the gas pipe for airlocks. Burner in opera- Stops below the Check the flue tion...
  • Page 15 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Check the supply (flow) pressure. Set value: Natural gas: 20 mbar LPG: 37/50 mbar Note Use suitable test equipment with a resolution of at least 0.1 mbar to measure the supply pressure. 7.

  • Page 16: Setting The Maximum Output

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Supply (flow) Supply (flow) Measures pressure for nat- pressure for ural gas below 17.4 mbar below 42.5 mbar Do not start the boiler. Notify your mains gas or LPG supplier. 17.4 to 25 mbar 25 to 57.5 mbar Start the boiler.

  • Page 17: Checking The Balanced Flue System Soundness (Annular Gap Check)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the balanced flue system soundness (annular gap check) A Combustion air port (ventilation air) For balanced flue systems tested The flue pipe is deemed to be sound if together with the wall mounted gas the CO concentration in the combus- fired boiler, some authorities waive...

  • Page 18: Removing The Burner And Checking The Burner Gasket (Replace Gasket Every Two Years)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Removing the burner and checking the burner gasket (replace gasket every two years) 1. Switch OFF the mains power sup- 5. Release four nuts H and remove ply to the control unit at the ON/ the burner.

  • Page 19: Checking The Burner Gauze Assembly

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the burner gauze assembly Replace the burner gauze assembly if the wire gauze is damaged. 1. Remove electrodes A. 4. Insert a new burner gauze assem- bly with a new gasket and secure 2.

  • Page 20: Checking And Adjusting The Ignition And Ionisation Electrodes

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking and adjusting the ignition and ionisation electro- A Ignition electrodes B Ionisation electrode C Gasket 1. Check the electrodes for wear and 3. Check the electrode gaps. If the contamination.

  • Page 21: Cleaning The Combustion Chamber/Heating Surfaces And Fitting The Burner

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the combustion chamber/heating surfaces and fit- ting the burner 2. Apply a solvent/potassium-free cleaning agent if residues remain: Remove soot deposits with alka- line cleaning agents with addi- tional surfactants (e.g. Fauch 600).

  • Page 22: Checking The Condensate Drain And Cleaning The Siphon

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the condensate drain and cleaning the siphon 1. Check at siphon A, that the con- densate can freely drain off. 2. Remove the retaining clip and the siphon. 3. Clean the siphon. 4.

  • Page 23: Cleaning The Dhw Cylinder

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the DHW cylinder Note DIN 1988 requires a visual inspection and (if required) cleaning at latest two years after the cylinder has been taken into use and thereafter according to requirements.

  • Page 24: Returning The Dhw Cylinder Into Use

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Returning the DHW cylinder into use 1. Reconnect the DHW cylinder to the 4. Push earth lead C onto tab D. pipework. 5. Fit cover E. 2. Insert new gasket B underneath flange lid A.

  • Page 25: Checking All Gas Equipment For Soundness At Operating Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. Top up your heating system with water and vent until the filling pres- sure of a cooled system is 0.1 to 0.2 bar higher than the inlet pres- sure of the diaphragm expansion vessel.
  • Page 26 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Check the CO content. If the value lies outside the above range, take the measures listed on page 25. 5. Record the actual value on page 118 of commissioning/service report.

  • Page 27: Checking The Ionisation Current

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the ionisation current 2. Adjusting the upper output: Constant temperature control unit: K + d press simultaneously: "1" is shown. press: "2" is shown. Weather-compensated control unit: K + d press simultaneously: "Relay test"...

  • Page 28: Matching The Control Unit To The Heating System

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Matching the control unit to the heating system Note Subject to the equipment level, the control unit must be matched to the system. Various system components are recognised automatically by the control unit and the relevant codes are adjusted automatically.
  • Page 29 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System version 2 One heating circuit with mixer M2 and a low loss header Outside temperature sensor Extension kit for a heating cir- ? M2 Flow temperature sensor cuit with mixer sÖ...
  • Page 30 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 Outside temperature sensor High limit thermostat (under- ? M2 Flow temperature sensor floor heating) sÖ...
  • Page 31 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System version 4 One heating circuit without mixer A1, one heating circuit with mixer M2 and system separation Outside temperature sensor Extension kit for a heating cir- ? M2 Flow temperature sensor cuit with mixer sÖ...
  • Page 32 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System version 5 One heating circuit with mixer M2 (with extension kit), one heating circuit with mixer (with the Vitotronic 200-H) and low loss header Outside temperature sensor sÖ M2 Heating circuit pump ? M1 Flow temperature sensor Heating circuit with mixer M2 Heating circuit with mixer M1...

  • Page 33: Adjusting The Heating Curves (Only For Weather-Compensated Control Units)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Adjusting the heating curves (only for weather-compensated control units) The heating curves illustrate the rela- The room temperature, again, tionship between the outside tem- depends on the boiler water or the perature and the boiler water or flow flow temperature.
  • Page 34 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Changing the slope and level 1. Slope: Change with coding address "d3" in code 1. Setting range 2 to 35 (equals slope 0.2 to 3.5). 2. Level: Change with coding address "d4" in code 1.
  • Page 35 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Adjusting the set room temperature 5. Adjust the set day temperature with Standard room temperature rotary selector "ts". The value will be automatically accepted after approx. 2 s. Accordingly, the heating curve is adjusted along set room tempera- ture axis C, which results in modi- fied start/stop characteristics of the...

  • Page 36: Connecting The Control Unit To The Lon System (Only For Weather-Compensated Control Units)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. d to select heating circuit A1 5. E Call up the set night tem- (heating circuit without perature. mixer) 6. a/b Change the value. 3. a "2r" flashes. 7. d Confirm the value.
  • Page 37 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Boiler control unit Vitotronic 200-H Vitotronic 200-H Vitocom Control unit trans- Control unit re- Control unit re- mits outside tem- ceives outside tem- ceives outside tem- perature perature perature Set code "97:2" Set code "97:1"...

  • Page 38: Instructing The System User

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Press the following keys: 4. "Check OK" is displayed during communication between both 1. L + d simultaneously for devices. approx. 2 s. The subscriber check has been initiated. "Check not OK" is displayed if there is no communication 2.
  • Page 39 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. d The service display will be Note cleared (for a weather- An acknowledged service message compensated control unit: can be redisplayed by pressing d "Acknowledge: Yes", (approx. 3 s). reconfirm with d).

  • Page 40: Locking The Control Unit And Fitting The Front Panels

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Locking the control unit and fitting the front panels 1. Push panel A to the right and 3. Fit front panel D at the top. down, then tighten both screws. 2.

  • Page 41: Calling Up Code

    Coding Code 1 Calling up code 1 Note 2. a/b for the required coding On weather-compensated control address; the address units, codes are displayed as plain flashes. text. Codes that are irrelevant due to the 3. d to confirm. system equipment level or the set- ting of other codes will not be dis- 4.

  • Page 42: Coding Code 1

    Coding Code 1 (cont.) Coding in the delivered condition Possible change Max. boiler water temp. 06:... Maximum limit of the 06:20 Maximum limit of the boil- boiler water tempera- er water temperature ture, defaulted in °C by 06:127 within the ranges de- the boiler coding card faulted by the boiler Gas type...

  • Page 43: Code

    Coding Code 1 (cont.) Coding in the delivered condition Possible change Slope A1/M2 d3:14 Heating curve slope = d3:2 Heating curve slope ad- 1.4 (only for weather- justable from 0.2 to 3.5 compensated control d3:35 (see page 33) units) Level A1/M2 d4:0 Heating curve level = 0 d4: 13...
  • Page 44 Coding Code 2 (cont.) Function area Coding addresses System design Boiler/burner 06 to 54 56 to 73 General 76 to 9F Heating circuit A1 (heating circuit without A0 to Fb mixer) Heating circuit with mixer M2 A0 to Fb Note Heating systems with one heating circuit without mixer and one heating circuit with mixer: Initially, the possible coding addresses "A0"...
  • Page 45 Coding Code 2 (cont.) Coding in the delivered condition Possible change 21:0 No maintenance inter- 21:1 The number of hours run val (operating hours) before the burner should selected 21:9999 be serviced is adjustable from 1 to 9999 h 23:0 No time interval for 23:1 Interval adjustable from 1...
  • Page 46 Coding Code 2 (cont.) Coding Internal circu- Heating circuit Heating circuit Cylinder pri- lation pump pump pump mary pump Heating circuit Heating circuit without mixer with mixer Control funct. Control funct. Control funct. Control funct. Control funct. Control funct. Control funct. Control funct.
  • Page 47 Coding Code 2 (cont.) Coding Internal circu- Heating circuit Heating circuit Cylinder pri- lation pump pump pump mary pump Heating circuit Heating circuit without mixer with mixer Control funct. Control funct. Control funct. Control funct. Control funct. Control funct. Control funct. Control funct.
  • Page 48 2 x daily 65:... Information regarding 65:0 Without diverter valve the type of diverter 65:1 Diverter valve by valve; do not adjust. Viessmann 65:2 Diverter valve by Wilo 65:3 Diverter valve by Grund- 67:40 With the Vitosolic: 67:0 Without third set DHW...
  • Page 49 Coding Code 2 (cont.) Coding in the delivered condition Possible change 6F:... Maximum output for 6F:0 Max. output during DHW DHW heating in %; de- heating adjustable from faulted by the boiler 6F:100 min. output to 100 % coding card 71:0 DHW circulation pump: 71:1...
  • Page 50 Coding Code 2 (cont.) Coding in the delivered condition Possible change 79:0 The control unit is not 79:1 Control unit is fault man- the fault manager (only ager for weather-compen- sated control units) 7b:1 Send time via LON 7b:0 Do not send time via LON (only for weather-com- pensated control units) 7F:1...
  • Page 51 LON BUS to any connected Vitotronic 200-H 98:1 Viessmann system 98:1 System number adjusta- number (in conjunction ble from 1 to 5 with monitoring several 98:5...
  • Page 52 Coding Code 2 (cont.) Coding in the delivered condition Possible change 9C:20 Monitoring LON sub- 9C:0 No monitoring scribers. 9C:5 The time is adjustable If a subscriber fails to from 5 to 60 min respond, the values de- 9C:60 faulted inside the con- trol unit will be used after 20 min.
  • Page 53 Coding Code 2 (cont.) Coding in the delivered condition Possible change A3:2 Outside temperature A3:-9 Heating circuit pump below 1 °C: Heating cir- "ON/OFF" (see the fol- cuit pump "ON" A3:15 lowing table) Outside temperature above 3 °C: Heating cir- cuit pump "OFF"...
  • Page 54 Coding Code 2 (cont.) Coding in the delivered condition Possible change Heating circuit A1/M2 A4:0 With frost protection A4:1 No frost protection; this (only for weather-com- setting is only possible if pensated control units) code "A3: -9" has been selected. Note Observe the note for code "A3"...
  • Page 55 Coding Code 2 (cont.) Coding in the delivered condition Possible change Heating circuit A1/M2 A6:36 Extended economy A6:5 Extended economy func- function disabled (only tion enabled, i.e. the for weather-compen- A6:35 burner and heating circuit sated control units) pump will be switched OFF and the mixer closed at a variable value, adjustable be-...
  • Page 56 Coding Code 2 (cont.) Coding in the delivered condition Possible change A9:7 With pump idle time: A9:0 Without pump idle time Heating circuit pump A9:1 With pump idle time; ad- "OFF" when the set justable from 1 to 15 value changes through A9:15 a change in operating mode or through a...
  • Page 57 Coding Code 2 (cont.) Parameter ad- With heating circuit pump logic function: dress b5:... Heating circuit pump "OFF" Heating circuit pump "ON" > RT + 5 K < RT + 4 K actual actual > RT + 4 K < RT + 3 K actual actual...
  • Page 58 Coding Code 2 (cont.) Coding in the delivered condition Possible change E1:1 With remote control: E1:0 Set day temperature ad- The set day tempera- justable from 3 to 23 °C ture is adjustable at the E1:2 Set day temperature ad- remote control unit from justable from 17 to 37 °C 10 to 30 °C (only for...
  • Page 59 Coding Code 2 (cont.) Coding in the delivered condition Possible change E9:45 Speed of the external E9:0 Speed adjustable from 0 variable speed heating to 100 % of the maximum circuit pump: 45 % of E9:100 speed during operation the maximum speed in with reduced room tem- reduced temperature perature...
  • Page 60 Coding Code 2 (cont.) Coding in the delivered condition Possible change F8:-5 Temperature limit for F8:+10 Temperature limit adjus- terminating the reduced table from mode -5 ºC, see exam- F8:-60 +10 to -60 °C ple on page 103. F8:-61 Function disabled Observe the setting of coding address "A3".
  • Page 61 Coding Code 2 (cont.) Coding in the delivered condition Possible change Heating circuit with mixer M2 F1:0 Screed drying function F1:1 Screed drying function disabled (only for adjustable in accordance weather-compensated F1:5 with five optional tem- control units). perature/time profiles (see page 101) Note Observe the screed sup-...

  • Page 62: Resetting Codes To Their Delivered Condition

    Coding Resetting codes to their delivered condition Press the following keys: 3. d to confirm 1. L + G simultaneously for approx. 2 s. 4. a/b to select "Standard set- ting? No". 2. e "Standard setting? Yes" appears.

  • Page 63: Service Level Overview

    Service scans Service level overview Function Key combination Exit Page Temperatures, boiler cod- K and G approx. 2 s si- Press d ing card, brief scans multaneously Relay test K and d approx. 2 s si- Press d multaneously Max. output (heating K and F approx.

  • Page 64: Temperatures, Boiler Coding Card And Brief Scans

    Service scans Temperatures, boiler coding card and brief scans Weather-compensated control unit Press the following keys: 2. a/b for the required scan. 1. K + G simultaneously for 3. d Scanning is completed. approx. 2 s. The following values can be scanned, subject to the actual system equip- ment level: Display screen Explanation...
  • Page 65 Service scans Temperatures, boiler coding card and brief scans (cont.) Display screen Brief scan Software Software Software Software Software version version version version version Program- Mixer Solar External ming unit exten- control module extension sion unit 0: no 0: no exter- 0: no 0: no nal exten-...
  • Page 66 Service scans Temperatures, boiler coding card and brief scans (cont.) Constant temperature control unit Press the following keys: 2. a/b for the required scan. 1. K + G simultaneously for 3. d Scanning is completed. approx. 2 s. The following values can be scanned, subject to the actual system equip- ment level: Display screen Brief scan...

  • Page 67: Checking Outputs (Relay Test)

    Service scans Temperatures, boiler coding card and brief scans (cont.) Display screen Brief scan Variable Software speed version pump Variable 0 w/o speed pump 1 Wilo 0: no vari- 2 Grundfos able speed pump Checking outputs (relay test) Weather-compensated control unit Press the following keys: 2.

  • Page 68: Scanning Operating Conditions And Sensors

    Service scans Checking outputs (relay test) (cont.) Constant temperature control unit Press the following keys: 2. a/b for the required relay out- put. 1. K + d simultaneously for approx. 2 s. 3. d Relay test is completed. The following relay outputs can be controlled subject to system design: Display screen Explanation Burner modulation base load...
  • Page 69 Service scans Scanning operating conditions and sensors (cont.) Display screen Explanation Return date Date Outdoor temp., ... °C Actual value Boiler temp., ... °C Actual value Supply temp., ... °C Actual value (only for mixer circuit M2) Normal Set value room temp., ...
  • Page 70 Service scans Scanning operating conditions and sensors (cont.) The following operating conditions can be scanned, subject to the actual system equipment level: Display screen Explanation °C/°F Actual outside temperature °C/°F Actual boiler water temperature °C/°F Actual cylinder temperature (if a cylinder temperature sensor is installed) °C/°F Solar - actual DHW temperature...

  • Page 71: Fault Display

    Troubleshooting Fault display Fault display layout A Fault display C Fault number B Fault symbol D Fault code The red fault indicator flashes for A fault in the burner control unit every fault. causes the display to show "E". Constant temperature control unit In case of a fault, the fault code and fault symbol is displayed at the pro- gramming unit...

  • Page 72: Troubleshooting Fault Display

    Troubleshooting Fault display (cont.) Collector sensor Remote control Solar DHW sensor Fault participant Checking and acknowledging faults Note If an acknowledged fault is not removed, the fault message will be re- displayed: With a constant temperature control unit after 24 h With a weather-compensated con- trol unit at 7:00 h the next day Constant temperature control unit...

  • Page 73: Fault Codes

    Troubleshooting Fault display (cont.) Calling up fault codes from the fault memory (fault history) The 10 most recent faults are saved Press the following keys: and may be scanned. The faults are ordered by date, thus 1. G + d simultaneously for the most recent fault is fault number 1.
  • Page 74 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Regulates System flow Check the low without flow temperature loss header sen- temperature sensor lead sor (see page 83) sensor (low broken loss header) Burner Boiler water Check the boiler...
  • Page 75 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display No DHW heat- Outlet tem- Check sensors perature (see page 83) sensor lead broken Control mode Collector Check the sensor temperature at the Vitosolic. sensor short circuit;...
  • Page 76 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Control mode Temperature Check the sensor sensor lead at the Vitosolic. broken; con- nects to the Vitosolic at Control mode Solar control Check the solar unit fault;...
  • Page 77 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Burner Flue gas Check the flue blocked temperature gas temperature sensor lead sensor broken Mixer M2 reg- Communica- Check the exten- ulates to a tion fault, ex- sion kit connec- flow tempera-...
  • Page 78 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Control mode, Communica- Check coding ad- max. pump tion error dress "30" set- speed variable tings; check the speed inter- DIP switch set- nal pump tings in the pump wiring chamber:...
  • Page 79 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Control mode Room tem- Check the room without room perature temperature sen- influence sensor, heat- sor, heating cir- ing circuit A1 cuit A1 shorted out Control mode Room tem-...
  • Page 80 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Burner Internal fault Replace the con- blocked trol unit Burner in a Flue gas Check flue gas fault state temperature path/route; press limiter has "E"...
  • Page 81 Troubleshooting Fault codes (cont.) Fault Const. Weath.- System char- Cause Measures code comp. acteristics on the display Burner in a Fan speed Check the fan, fan fault state too low dur- connecting ing burner cables, fan power start supply and con- trol;...

  • Page 82: Repairs

    Troubleshooting Repairs Checking the outside temperature sensor (weather-compen- sated control unit) 1. Pull plug "X3" from the control unit. 2. Test the resistance of the outside temperature sensor across term- inals "X3.1" and "X3.2" on the dis- connected plug and compare it with the curve.
  • Page 83 Troubleshooting Repairs (cont.) Checking boiler temperature sensor, cylinder temperature sensor or the flow temperature sensor for a low loss header A Boiler water temperature sensor...
  • Page 84 Troubleshooting Repairs (cont.) Boiler water temperature sen- 2. Check the sensor resistance and compare the actual values with the Pull the leads off the boiler tem- curve. perature sensor and check the resistance. 3. Replace the sensor in case of Cylinder temperature sensor severe deviation.
  • Page 85 Troubleshooting Repairs (cont.) 3. Replace the sensor in case of severe deviation. Danger The outlet temperature sen- sor is immersed in the DHW (risk of scalding). Drain the DHW side of the boiler before replacing the sensor. Checking the flue gas temperature sensor The flue gas temperature sensor locks out the boiler when the permissible flue gas temperature is exceeded.
  • Page 86 Troubleshooting Repairs (cont.) Checking the plate-type heat exchanger Drain the boiler on its heating water 1. Shut off and drain the boiler on its and DHW side. heating water and DHW side. During removal, small amounts of water may trickle out and escape from 2.
  • Page 87 Troubleshooting Repairs (cont.) 1. Pull the leads from temperature limiter A. 2. Check the continuity of the tem- perature limiter with a multimeter. 3. Remove the faulty temperature lim- iter. 4. Coat the replacement temperature limiter with heat conducting paste and install it.
  • Page 88 Troubleshooting Repairs (cont.) Checking the fuse 1. Switch OFF the power. 3. Remove cover A. 2. Release the side closures and 4. Check fuse F1 (see connection and pivot the control unit down. wiring diagram). Extension kit for heating circuit with mixer Checking the rotational direction of the mixer motor 1.
  • Page 89 Troubleshooting Repairs (cont.) Then standard control mode 2. Note the rotational direction of the resumes. mixer motor during its self-test. Then set the mixer manually to "Open" again. Note The flow temperature sensor must now capture a higher temperature. If the temperature drops, either the motor is turning in the wrong direc- tion or the mixer set is incorrectly fitted.
  • Page 90 Troubleshooting Repairs (cont.) 2. Change over the rotational direc- tion switch: Switch position I for central heating return from the left (delivered con- dition). Switch position II for central heat- ing return from the right. Checking the Vitotronic 200-H (accessories) The Vitotronic 200-H is connected to the control unit via the LON connecting cable.

  • Page 91: Control And Display Elements

    Function description Constant temperature control unit Control and display elements A Pressure gauge D Reset button B Fault display (red) E User interface C ON indicator (green) F ON/OFF switch Keys at the user interface: Set boiler water tempera- Heating and DHW ture No function Set DHW temperature...

  • Page 92: Function Description Constant Temperature Control Unit

    Function description Constant temperature control unit (cont.) Heating the DHW primary cylinder from cold The heating circuit pump is switched The cylinder is then heated up to the ON and the three-way diverter valve set DHW temperature. Heating stops will be changed over, if the cylinder when the set temperature has been primary temperature sensor captures reached at the cylinder temperature...

  • Page 93: Weather-Compensated Control Unit

    Function description Weather-compensated control unit Control and display elements A Pressure gauge E User interface B Fault display (red) F Rotary selector for standard room C ON indicator (green) temperature D Reset button G ON/OFF switch Keys at the user interface: Central heating time pro- O+F Emissions test function gram...
  • Page 94 Function description Weather-compensated control unit (cont.) To 74 °C by the control thermostat inside the burner control unit. To 82 °C by the electronic tempera- ture limiter inside the burner control unit. To 100 °C by the temperature limiter in the safety chain (interlocks the burner control unit).

  • Page 95: Extensions For External Connections

    Function description Weather-compensated control unit (cont.) The cylinder continues to be heated The cylinder primary pump and the up after the draw-off process has three-way diverter valve remain ON ended, until the set DHW temperature for a further 30 s. has been reached at the cylinder pri- mary temperature sensor.
  • Page 96 Function description Extensions for external connections (cont.) Internal extension H2 (accessories) The internal extension H2 is inte- An external extractor interlock can be grated into the control unit casing connected to aBJ. instead of the internal extension H1. The cylinder primary pump is con- nected to relay output sK.

  • Page 97: External Extension H

    Function description Extensions for external connections (cont.) External extension H1 The external extension is connected External blocking to the boiler control unit via the KM (terminals 2 - 3) BUS. The following functions can be External demand controlled or processed simulta- (terminals 1 - 2) neously via the extension: External heating program...
  • Page 98 Function description Extensions for external connections (cont.) External extension H2 The external extension is connected External blocking to the boiler control unit via the KM (terminals 2 - 3) BUS. The following functions can be External demand controlled or processed simulta- (terminals 1 - 2) neously via the extension: External heating program...

  • Page 99: Control Functions

    Function description Control functions External heating program changeover The "External heating program chan- geover" function is connected via external extension input "aVD". You can select which heating circuits the heating program changeover affects in coding address "91": Heating program changeover Coding No changeover 91:0...
  • Page 100 Function description Control functions (cont.) External blocking The "External blocking" function is In coding address "32" you can select connected via the external extension the influence the "Ext. blocking" sig- input "aVD". nal should have on the connected cir- culation pumps. External demand The "External demand"...
  • Page 101 Function description Control functions (cont.) Filling with the control unit switched ON If the system is to be filled with the The burner shuts down if this function control unit switched ON, the diverter is enabled via coding address "2F". valve will be moved to its central posi- The program is automatically disabled tion via code "2F:2"...
  • Page 102 Function description Control functions (cont.) Temperature profile 2: (ZV parquet and flooring technology) code "F1:2" Temperature profile 3: Code "F1:3" Temperature profile 4: Code "F1:4" Temperature profile 5: Code "F1:5"...
  • Page 103 Function description Control functions (cont.) Temperature profile 6 (delivered condition): Code "F1:6" Raising the reduced room temperature During operation with reduced room The outside temperature limits for the temperature, the reduced set room start and end of the temperature rais- temperature can be automatically ing can be adjusted via coding raised subject to the outside tempera-...
  • Page 104 Function description Control functions (cont.) Example using the settings in the delivered condition 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 The value and duration of the addi- with reduced room temperature to tional increase of the set boiler water...

  • Page 105: Remote Control Dip Switches

    Function description Control functions (cont.) Example using the settings in the delivered condition A Start of operation with standard C Set boiler water or flow tempera- room temperature ture in accordance with coding B Set boiler water or flow tempera- address "FA": ture in accordance with the 50 °C + 20 % = 60 °C...
  • Page 106 Function description Remote control DIP switches (cont.) Remote control DIP switch setting The remote control affects the heating circuit without mixer A1 The remote control affects the heating circuit with mixer M2 When connecting a separate room temperature sensor, set DIP switch "3" to "ON".
  • Page 107 Designs Connection and wiring diagram internal connections Main PCB Cylinder primary temperature X... Electrical interfaces sensor § Boiler water temperature sen- Ionisation electrode Flue gas temperature sensor Outlet temperature sensor...
  • Page 108 Designs Connection and wiring diagram internal . . . (cont.) dÖ Stepper motor for diverter Ignition unit valve a-ÖA Fan motor Thermocouple Differential pressure sensor...

  • Page 109: Connection And Wiring Diagram External Connections

    Designs Connection and wiring diagram external connections Main PCB Power supply unit...

  • Page 110: Connection And Wiring Diagram

    Designs Connection and wiring diagram external . . . (cont.) Optolink Cylinder primary temperature Burner control unit sensor Programming unit sÖ Internal circulation pump Coding card Primary pump Connection adaptor Gas solenoid valve LON communication module fÖ Power supply Internal extension H1 or H2 Power supply accessories and ON/OFF switch Vitotrol 100...

  • Page 111: Parts Lists

    Parts lists Parts lists Spare parts information 035 Safety spring Quote the part and serial no. (see 036 Plate-type heat exchanger type plate) and the item number of the 037 Plate-type heat exchanger gas- required part (as per this parts list). ket set Obtain standard parts from your local 040 Grommets (set)
  • Page 112 Parts lists Parts lists (cont.) 151 Outside temperature sensor Parts not shown 152 Cylinder primary temperature 032 Gasket set; plug-in connector sensor 038 Special grease 153 Flue gas temperature sensor 039 Heat conducting paste 154 Thermocouple 062 Burner maintenance set 155 Temperature sensor 063 Set of small burner parts 200 Side panels...
  • Page 113 Parts lists Parts lists (cont.)
  • Page 114 Parts lists Parts lists (cont.)
  • Page 115 Parts lists Parts lists (cont.)
  • Page 116 Parts lists Parts lists (cont.)
  • Page 117 Parts lists Parts lists (cont.)

  • Page 118: Commissioning/Service Reports

    Commissioning/service reports Commissioning/service reports Setting and test va- Set value Initial Service lues start-up Date: Static pressure mbar max. 57.5 mbar Supply pressure (flow pressure) = for natural gas E mbar 17.4-25 mbar = for natural gas LL mbar 17.4-25 mbar = for LPG mbar 42.5-57.5 mbar...

  • Page 119: Specification

    Specification Specification Rated voltage 230 V~ Electronic tempera- Rated frequency 50 Hz ture limiter setting 82 °C Rated current Temperature limiter Protection class setting 100 °C (fixed) Protection IP X 4 D to Line fuse (mains) max. 16 A EN 60529 Power consumption Permissible ambient temperature Circulation pump...

  • Page 120: Certificates Declaration Of Conformity

    Certificates Declaration of conformity Declaration of conformity for the Vitodens 333-F We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm as sole responsible body that the product Vitodens 333-F complies with the following standards: DIN 4702 6 EN 50 165 DIN 4753...

  • Page 121: Manufacturer's Certificate According To The 1St Bimschv [Germany]

    Certificates Manufacturer's certificate according to the 1st BImSchV [Germany] We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm that the pro- duct Vitodens 333-F complies with the NO limits specified by the 1st BImSchV paragraph 7 (2) [Germany]. Allendorf, 2 April 2007 Viessmann Werke GmbH&Co KG...

  • Page 122: Keyword Index

    Keyword index Keyword index Acknowledging a fault display Extension kit for heating circuit with ..Anode checking mixer ......
  • Page 123 Keyword index Keyword index (cont.) Ignition Reduced room temperature .........
  • Page 124 Applicability Compact gas fired condensing boiler Type WS3A 6.6 to 26 kW from serial no. 7246 172 ... 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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