Vitodens 300 wb3a инструкция по сервисному обслуживанию

[Page 1] Viessmann VITODENS 300 WB3A

VIESMANN Installation instructions for heating engineers Vitodens 300 Type WB3A,49and66kW Gas fired wa ll mounted con densing boi ler natural gas and LPG version VITODENS 300 5862 570 GB 5/2004 Dispose after installation
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[Page 2] Viessmann VITODENS 300 WB3A

Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained ! Important information This symbol warns against the risk of material losses and environmental pollution. Note Details identified…

[Page 3] Viessmann VITODENS 300 WB3A

Preparing for installation Product information ………………. ……………………………………………………….. 4 Preparations for boiler installation……………………………………………………… 4 Installation …

[Page 4] Viessmann VITODENS 300 WB3A

Vitodens 300, Type WB3A Set up for operatio n w ith n atural gas E or LPG P. The natural gas E version can be converted to natural gas LL using a conver- sion kit. TheLPGPversioncanbeconvertedtonaturalgasEorLLusingaconversion kit. Preparations for bo…

[Page 5] Viessmann VITODENS 300 WB3A

C DHW cylinder flow G1½» D Gas connection E DHW cylinder return G1½» F Heating return G 1½» G Expansion vessel H Cable arrang ement area K Recommended dimension L Condensate dr ain 1. Prepare the water con nections. Thoroughly flush…

[Page 6] Viessmann VITODENS 300 WB3A

Wall mounting bracket installation Note The enclosed sc rews and rawl plugs are o nly suitable for co ncrete. For oth er construction materials, use fixings which a re suitable for 110 kg loads. A Reference poi nt: b oiler top edge B Boiler installat…

[Page 7] Viessmann VITODENS 300 WB3A

Hanging the boiler into the wall mounting bracket Installing the boiler and making all connections (cont.) 7 5862 570 GB
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[Page 8] Viessmann VITODENS 300 WB3A

A Heating flow B DHW flow C Gas connection D DHW return E Heating return F Expansion vessel Connect the boiler to the o n-site pipe- work. Flue gas connection Connect the balanc ed fl ue pipe. Flue gas system installation instructions Condensate conn…

[Page 9] Viessmann VITODENS 300 WB3A

A Gas connection Conversion to other gas types: Conversion kit installation instructions Information regarding operation with LPG We recommend the installation of an external safety solenoid valve when installing the boiler in rooms below ground l ev…

[Page 10] Viessmann VITODENS 300 WB3A

Opening the control unit housing 10 5862 570 GB
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[Page 11] Viessmann VITODENS 300 WB3A

Notes regarding the connection o f accessories For details of accessories, also observe the separate installation instruc- tions provided. A Radio clock co nnection B Heating circuit pump or boiler cir- cuit pump Electrical connections 11 5862 570 GB…

[Page 12] Viessmann VITODENS 300 WB3A

C Vitotrol 100 UTD (only for c ontrol units operating with a constant temperatu re) D Vitotrol 100 UTA (only for control units operating with a constant temperatu re) Plug 230 V~ fÖ Power supply & Never interchange cores L1 and N. & Install …

[Page 13] Viessmann VITODENS 300 WB3A

Routing connecting cables ! Important information Connecting cables are damaged if they touch hot components. When routi ng a nd securing co nnecting cable s on site, ensur e t hat the maximum permissible cable temperatures are not exceeded. A Low vo…

[Page 14] Viessmann VITODENS 300 WB3A

Closing control unit housing and inserting user interface 14 5862 570 GB
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[Page 15] Viessmann VITODENS 300 WB3A

Commissioning and adjustments For commissioning and adjustment, see service instructions. Front panel installation 15 5862 570 GB
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[Page 16] Viessmann VITODENS 300 WB3A

16 Printed on environmentally-friendly, chlorine-free bleached paper 5862 570 GB Subject to technical modifications Viessmann Limited Hortonwood 30, Tel ford, TF1 7Y P, GB Telephone: +44 1952 675000 Fax: +44 195 2 6 75040 www.viessmann.co.uk
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[Page 17] Viessmann VITODENS 300 WB3A

VIESMANN Service instructions for heating engineers Vitodens 300 Type WB3A,49and66kW Gas fired wa ll mounted con densing boi ler natural gas and LPG version See applicability on the last page VITODENS 300 5692 550 GB 5/2004 Please k eep safe
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[Page 18] Viessmann VITODENS 300 WB3A

Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Danger This symbol warns against the risk of injury. ! Important information This symbol warns against the risk of material losses…

[Page 19] Viessmann VITODENS 300 WB3A

If you smell flue gas Danger Flue gas may lead to life-threa- tening po isoning. & Shut down the heating sys- tem. & Ventilate the boiler room. & Closealldoorsleadingtothe living space. Repair work It is not permitted to carry out repairs…

[Page 20] Viessmann VITODENS 300 WB3A

Initial s tart-up, inspection, maintenance Steps — initial start -up, inspection and maintenance ………………………………. 5 Further details regarding the individual steps . ……………………………………… 7 Coding Code 1……

[Page 21] Viessmann VITODENS 300 WB3A

For further instructions on individual steps, see pages indicated Commissioning steps Inspection steps Maintenanc e steps Page !!!                      • 1. Filling the heating system ….

[Page 22] Viessmann VITODENS 300 WB3A

Commissioning steps Inspection steps Maintenanc e steps Page !!!                      •• 20. Cleaning the combustion chamber/heating surfaces and installing the burner ………………

[Page 23] Viessmann VITODENS 300 WB3A

Filling the heating system 1. Che ck t he charge pres sure of the diaphragm expansion vessel. 2. Cl ose the gas shut -off v alve. 3. ! Important information Unsuitable fill water increase s the level of depos- its and corrosion and may lead to boil e…

[Page 24] Viessmann VITODENS 300 WB3A

Venting the boiler 1. Cl ose the shut-off val ves on the heating water side. 2. Connect the drain hose to the boiler fill & drain valve B. 3. Open valves A and B,andvent at mains p ressure, until no sound of escaping air can be heard. 4. Clos e v…

[Page 25] Viessmann VITODENS 300 WB3A

Filling the siphon with water 1. Rem ove the retaini ng c lip and siphon A. 2. Fillthesiphonwithwater. 3. Fit siphon A andsecurewiththe retaining clip. Language selec tion (if required) — only for the weather-com- pensated control units 1. Press c. 2…

[Page 26] Viessmann VITODENS 300 WB3A

Checking the gas type ! Important information The natural gas version cannot be convert ed to LPG. 1. Enquire about the gas type and Wobbe index (Wo) from your local mains gas or LPG supplier. Note In the delivered condition, Vito- dens 300 is set up…

[Page 27] Viessmann VITODENS 300 WB3A

Display sc reen Remedy Control unit issues heat demand No Set valu e Yes Fan starts No After approx. 51 seconds Check cables and plug-in c onnec- tions Fault F9 Yes Differential pres- sure sensor enables start (0.75 V across terminals X8.5 and X8.6) …

[Page 28] Viessmann VITODENS 300 WB3A

Ionisation cur- rent build s (higher than 5µA) No Fault Check ele ctrode adjustment and gas pipe for air- locks Symbol A F4 Yes Operational bur- ner Stops below set boiler tempera- ture and restarts Check flue gas system for sound- ness (flue gas re…

[Page 29] Viessmann VITODENS 300 WB3A

1. Cl ose the gas shut -off v alve. 2. Rel ease the screw ins ide test nip- ple PE A on the gas combination valve , but d o not remove, and con- nect the pressure gauge. 3. Op en the ga s shut-o ff valve. 4. Check the static pressure; it should be a …

[Page 30] Viessmann VITODENS 300 WB3A

Supply (flow) pressure for nat- ural gas Supply (flow) pressure for LPG Remedy Below 17.4 mbar Below 42.5 mbar Do not start up. Notify your mains gas or LPG supplier. 17.4 to 57.5 mbar 42.5 to 57.5 mbar Start up boiler. Above 57.5 mbar Above 57.5 mba…

[Page 31] Viessmann VITODENS 300 WB3A

& 6.6 to 10.0 % for natural gas E & 7.0 to 10.0 % for natural gas LL and & approx. 10.0 % for LPG P. Compare the actual CO 2 value with the above CO2 value r anges for the in divi- dual gas groups (check the gas group with your mains gas …

[Page 32] Viessmann VITODENS 300 WB3A

6. Set the upper rated output. Constant temperature control units: & With a/b in the display, select 2. Weather-compensated control units: & With a/b in the display, select «Full load» . 7. Check the CO 2 content. Should the actual …

[Page 33] Viessmann VITODENS 300 WB3A

Checking the balanced flue system for sound ness (annula r gap check) A Combustion air aperture For balanced flue systems tested together with the gas fired wall mounted boiler, some Federal States (e.g. Northrhein-Westphalia) waive the requirement f…

[Page 34] Viessmann VITODENS 300 WB3A

Removing the burner and checking the burner gasket (replace gasket every two years) 1. Switch OFF the control unit ON/ OFF switch and the mains electrical supply. 2. Cl ose the gas shut -off v alve and safeguard against reopening. 3. P ull e lectrica…

[Page 35] Viessmann VITODENS 300 WB3A

Checking the burner gauze assembly Replace the b urner gauze ass embly if the wir e me sh i s damaged. 1. Remove electrodes A. 2. Turn thermal insulation ring B clockwise and remove. 3. Rel ease the eigh t Torx screws C and remove the burner gauze as…

[Page 36] Viessmann VITODENS 300 WB3A

1. Check the electrodes for wear and contaminati on. 2. Clea n the e lectrodes with a small brush (not with a wire brush) or emery paper. ! Important information Wire mesh do not dam age. 3. Che ck a ll clearanc es. If the gaps are not as specified o…

[Page 37] Viessmann VITODENS 300 WB3A

Cleaning the combustion chamber/heating surfaces and installing the burne r 1. If required, clean combustion chamber A and heating surfaces B withabrushorflush with water. ! Important information Scratches o n parts which are in contact with flue gas…

[Page 38] Viessmann VITODENS 300 WB3A

3. S ecure th e gas su pply p ipe wi th a new gasket. 4. Che ck th e ga s con nections for soundnes s. Danger Escaping gas leads to a risk of explosion. Check all fitti ngs fo r sound- ness. 5. Con nect the electri cal cables/leads to each corres pon…

[Page 39] Viessmann VITODENS 300 WB3A

Checking the ionisation current A Adaptor line (available as acces- sory) B Control unit cable 1. Rem ove the cable an d conn ect the test equipment. 2. Set the upper rated output. Constant temperature control units: & Press K and d simultaneousl…

[Page 40] Viessmann VITODENS 300 WB3A

Matching the control unit to the heating system Note The control unit must be matched to the system equipment. Various system components are automati cally recogni sed by the control unit , an d co des are automatically set. & For s election of a…

[Page 41] Viessmann VITODENS 300 WB3A

Required coding Address Function relay of the internal extension: Cylinder loading pump 53:3 System design 2 With/without DHW heating with 1 heating circuit with mixer and system separation ! Outside temperature sensor ? Flow temperatu re s ensor % C…

[Page 42] Viessmann VITODENS 300 WB3A

Required coding Address 1 heating cir cuit with mixe r & with DHW cylinder 00:4 & without DHW cylinder 00:3 Function relay of the internal extension: Cylinder loading pump 53:3 System design 3 With/without DHW heating with low loss header, 1 …

[Page 43] Viessmann VITODENS 300 WB3A

E Heating c ircuit pump heating cir- cuit with mix er F Heating c ircuit pump heating cir- cuit without m ixer (connection via external extension H1) Required coding Address — — Further details regarding the individual steps (cont.) 27 Initial st…

[Page 44] Viessmann VITODENS 300 WB3A

System design 4 With/without DHW heating with 3 or more heating circuits with mixer and low los s header ! Ou tside temperat ure sen sor ? Fl ow temperature sen sor % Cylinder temperature sensor sÖ Heating circuit pump or boiler cir- cuit pump sA Cy…

[Page 45] Viessmann VITODENS 300 WB3A

C Vitotronic 050 D Maximum temperature controller (underfloor heating) E Heating circuit pump F Mixer motor Required coding Address Function relay of the internal extension: Cylinder loading pump 53:3 Further details regarding the individual steps (c…

[Page 46] Viessmann VITODENS 300 WB3A

System design 5 Multi-boiler system with/without DHW heating with several heating circuits with mixer and low loss header ! Outside tempe rature sensor ? Flow temperat ure sensor heat- ing circuits ?/§ Flow temperat ure sensor / low loss he ader % C…

[Page 47] Viessmann VITODENS 300 WB3A

Required coding Address Multi-boiler system with Vitotronic 333 01:2 Note Codes for multi-boiler system, see Vitotronic 333 insta llation and opera t- ing instructions. Connecting the control unit to the LON system (only for weather-compensated contr…

[Page 48] Viessmann VITODENS 300 WB3A

Boiler control unit Vitotronic 050 Vitotronic 050 Vitocom User no. 1 Code 77:1 User no. 1 0 Code 77:10 User no. 11 Set code 77:11 User no. 99 Control unit is fault manag er * 1 Code 79:1 Control uni t is n ot fault manag er * 1 Code 79:0 Control uni …

[Page 49] Viessmann VITODENS 300 WB3A

A Consecutive list number B User number 1. Press L and d simultaneously for approx. 2 se conds. User chec k initiated. 2. Select the required user with a and b. 3. Activate checking with d. «Check» flashes until its comple- tion. The di spl…

[Page 50] Viessmann VITODENS 300 WB3A

Changing slope and level A Changing the slope B Changing the l evel 1. Modifytheslopeincode1withcod- ing address d3 (see page 3 8). Value adjustable from 0.2 to 3.5. 2. Modifytheslopeincode1withcod- ing address d4 (see page 3 8). Value a djustable fr…

[Page 51] Viessmann VITODENS 300 WB3A

Adjusting t he set room temperature Standard room temperature: 1. Select a heating circuit: & Press a. 1r flashes on the d isplay. & Select heating circuit A1 (heating circuit w ithout mixer): Press d. & Select heating circuit M2 (heating…

[Page 52] Viessmann VITODENS 300 WB3A

Reduced room temperature: 1. Select a heating circuit: & Press a. 1r flashes on the d isplay. & Select heating circuit A1 (heating circuit w ithout mixer): Press d. & Select heating circuit M2 (heating circuit with mixer): – Press a. �…

[Page 53] Viessmann VITODENS 300 WB3A

Scanning and resetting the «Maintenance» display The red fault indicator flashes when the limits set via coding address 21 and 23 have been re ached. As regar ds the operat ing i nterface disp lay: & For constant t emperature cont rol u…

[Page 54] Viessmann VITODENS 300 WB3A

Call up code 1 1. Press K and L simultaneously for approx. 2 se conds. 2. Selecttherequiredcodingaddress with a or b; the addr ess flashes. Confirm with d; the value flashes. Note Codes are displayed in plain text on weather- compensated control unit…

[Page 55] Viessmann VITODENS 300 WB3A

Summary Codes Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change System design 00:1 System version 1: 1heatingcircuitwithout mixer A1, without DHW heatin g 00:2 System version 1: 1heatingcir…

[Page 56] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change Gas type 1E:0 Natural gas operation, defaulted by the boile r coding card 1E:1 LPG operation, defaulted by the boiler coding card Venting/f…

[Page 57] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change Summer econ. M2 A5:5 * 1 With heating circuit pump logic function A5:0 Without heating circuit pump logic function Min. flow temp. A1 C5:20…

[Page 58] Viessmann VITODENS 300 WB3A

Calling up code 2 1. Press L and G si multaneo usly for approx. 2 se conds; confirm with d. 2. Selecttherequiredcodingaddress with a or b; the addr ess flashes. Confirm with d; the value flashes. 3. Change this value with a and b; confirm with d. The…

[Page 59] Viessmann VITODENS 300 WB3A

Codes Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change System design 00:1 System design 1: 1heatingcircuitwithout mixer A1, without DHW heatin g 00:2 System design 1: 1heatingcircuitwithou…

[Page 60] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change 21:0 No maintenanc e indic a- tion Burner 21:1 to 21:100 The number of hours run before the burner should be serviced is adjustable from 10…

[Page 61] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change 32:0 Signal «External lock- out» on circu lation pumps: All pumps are controlled 32:1 to 32:15 Signal «External lockout»…

[Page 62] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change Boiler/burner 34:0 Signal «External demand» on c irculation pumps: All pumps are controlled 34:1 to 34:23 Signal «External d…

[Page 63] Viessmann VITODENS 300 WB3A

Coding Internal circulation pump Heating cir- cuit pump Heating cir- cuit without mixer Heating cir- cuit pump Heating cir- cuit with mixer Cyli nder loa ding pu mp 13 OFF OFF Control funct. OFF 14 OFF OFF OFF Control funct. 15 OFF OFF OFF OFF 16 ON …

[Page 64] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change 53:1 Function relay 2 of the internal extension: DHW circulation pump 53:0 Function relay 2: Central fault 53:2 Function relay 2: External …

[Page 65] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change 62:2 Circulation pump with 2 minutes run-on time 62:0 Circulation pump without run-on 62:1 to 62:15 Run-on time adjustable from1to15minutes…

[Page 66] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change 73:0 * 1 DHW circulation pump: ON acco rding to time program 73:1 to 73:6 During the time program 1x/h ON for 5 minutes up to 6x/h ON for 5…

[Page 67] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change 80:1 With 5 seconds’ time delay for fault message; message will be issued, if a fault persists for at least 5 seconds 80:0 Without tim…

[Page 68] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change 97:0 * 1 The outside temp era- ture of the sen sor con- nected to the control unit is utilised internally 97:1 Outside temperature is adopt…

[Page 69] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change A2:2 With DHW cylinder priority applicable to heatin g ci rcuit pump and mixe r A2:0 Without DHW cylinder priority applicable to heatin g c…

[Page 70] Viessmann VITODENS 300 WB3A

Parameters Heating circuit pump Address A3:.. . ON at OFF at -9 -10 °C -8 °C -8 -9 °C -7 °C -7 -8 °C -6 °C -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 0-1°C1°C 10°C 2°C 2 to 15 1°C t…

[Page 71] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change A5:5 * 1 With heating circuit pump logic function (economy circuit): Heat- ing circuit pump OFF, if the outside temp erature (AT) is 1 K hi…

[Page 72] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change Boiler circuit, mixer circuit A6:36 * 1 Extended economy circuit inactive A6:5 to A6:35 Extended economy cir- cuit enabl ed, i.e. the b ur-…

[Page 73] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change A8:1 * 1 Heating circuit M2 (mixer circ uit) creates a demand for the i nternal circulatio n pump A8:0 Heating circuit M2 (mixer circuit) c…

[Page 74] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change b5:0 * 1 With remote control: Without r oom tempera- ture-dependent heating circuit pump logic func- tion * 2 b5:1 to b5:8 Heating circuit …

[Page 75] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change d3:35 (seepage33) d4:0 * 3 Heating curve lev el = 0 d4:–13 to d4:40 Heating curve level adjust able from –13 to 40 (see page 33) d5:0 *…

[Page 76] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change E9:45 * 1 Speed of the variable speedpump=45%of max. speed in reduced mode E9:0 to E9:100 Speed adjustable from 0 to 100 % of max. speed Mi…

[Page 77] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change screed-dry ing function has been c ompleted o r i f the address is manually set to 0. F1:6 to F1:15 Constant flow tempera- ture 20 °C F2:8…

[Page 78] Viessmann VITODENS 300 WB3A

Coding in the as delivered condition Address: value Function mode Coding change Address: value Possible change F7:24 willbestarted1to24 times per day for 10 minutes respec tively F7:25 * 5 In «Standby mode», the internal circulation pump is…

[Page 79] Viessmann VITODENS 300 WB3A

Function Key combination Exit Page Temper atures, boile r c od- ing car d an d brief sca ns Press K an d G simulta- neously f or approx. 2 seconds Press d 64 Relay test Press K and d simulta- neously f or approx. 2 seconds Press d 68 Max. output (hea…

[Page 80] Viessmann VITODENS 300 WB3A

Weather-compensated control units 1. For two heating circuits – selec t heating circuit: & Press a. 1r flashes on the d isplay. & Select heating circuit A1 (heating circuit w ithout mixer): Press d. & Select heating circuit M2 (heating …

[Page 81] Viessmann VITODENS 300 WB3A

Display screen Brief scan Boiler coding card N/A N/A X X X X 1 Softwar e v ersion Control unit Version Boiler (EEPROM) Version Burner control unit (EEPROM) 2 Systemdesign1to 6 indication in accor- dance with the rele- vant design Display KM BUS users…

[Page 82] Viessmann VITODENS 300 WB3A

Display screen Brief scan Heating circuit 1 (boiler circuit A1) Heating circuit 2 (mixer circuit M2) 7 N/A N/A Remote control 0: excl. 1: Vito- trol 200 2: Vito- trol 300 Software version Remote control Remote control 0: excl. 1: Vito- trol 200 2: Vi…

[Page 83] Viessmann VITODENS 300 WB3A

Display screen Brief scan 0System design, indication in accor- dance with the design Software ver sion Control unit Software version User int er- face 1Software version Solar panel Software version Burner cont rol unit Software version Ext. exten- si…

[Page 84] Viessmann VITODENS 300 WB3A

Display screen Brief scan d Varia ble speed pump 0: excl. 1: Wilo 2: Grund- fos Software version Variable speed pump Checking outputs (relay test) Weather-compensated control units 1. Press K and d simultaneously for approx. 2 se conds. Relay test e …

[Page 85] Viessmann VITODENS 300 WB3A

Display Description Solar pump ON Vitosolic Constant tempera ture control units 1. Press K and d simultaneously for approx. 2 se conds. Relay test e nabled. 2. Select the relay outputs with a and b. 3. Press d. Relay test e nabled. Subject to the act…

[Page 86] Viessmann VITODENS 300 WB3A

Weather-compensated control units 1. Select a heating circuit: & Press a. 1r flashes on the d isplay. & Select heating circuit A1 (heating circuit w ithout mixer): Press d. & Select heating circuit M2 (heating circuit with mixer): – Pre…

[Page 87] Viessmann VITODENS 300 WB3A

Operating condition display (subject to syst em equip- ment level) Description Burner OFF or ON Int. pump OFF or ON Output 20 Int. output OFF or ON Internal extension Heating pump OFF or ON External extension or extension kit for one heat- ing circui…

[Page 88] Viessmann VITODENS 300 WB3A

Operating condition display (sub- ject to system equipment l evel) Description 263572 h Burner hours run 030529 Burner starts 001417 h Hours run — solar circuit pump 002850 Solar energy in kW/h Scanning operating conditions and sensors (cont.) 72 Ser…

[Page 89] Viessmann VITODENS 300 WB3A

Themostrecent10faultsaresavedandmaybecalledup. 1. Press G and d simu ltaneousl y for approx. 2 se conds. 2. Cal l up the indiv idual fault co des with a or b. Fault code order Fault code 1 . . . 10 most recent . . . 10th from most recent All saved fa…

[Page 90] Viessmann VITODENS 300 WB3A

Control unit faults 1. Find cu rrent fault with c. 2. Select additional fault codes with a and b. 3. Acknowledge fault. Thefaultcanbeacknowledged with d. The faul t me ssage in the display will be hidden, but red fault indicator A continue s t o f la…

[Page 91] Viessmann VITODENS 300 WB3A

4. E in the display indicates that t he burner control unit is locked out. After the fault has been removed, acknowledge by pressing reset E. Fault display design A Fault symbol B Plain te xt fault dis play (only for weather-co mpensated control unit…

[Page 92] Viessmann VITODENS 300 WB3A

Constant temperature control units Note Thefaultcanbeacknowledged with d. The faul t me ssage in the dis- play will be hidden, but the red fault indicator U continues to flash. A new fault messa ge wi ll b e di splayed if an acknowledged fa ult is no…

[Page 93] Viessmann VITODENS 300 WB3A

Displayed fault code Const. Weat- her- comp. System character- istics Cause R emedy 30 X X Burner blocked Boiler temperature sensor sh orted out Check the boiler tem- perature se n- sor (see page 87) 38 X X Boiler temperature sensor l ead break 40 X …

[Page 94] Viessmann VITODENS 300 WB3A

Displayed fault code Const. Weat- her- comp. System character- istics Cause R emedy 94 X X Control mode Solar: Cylinder temperature sensor shorted out Check sensor 9C X X Cylinder tempera- ture sensor l ead break 9F X X Control mode Solar con trol un…

[Page 95] Viessmann VITODENS 300 WB3A

Displayed fault code Const. Weat- her- comp. System character- istics Cause R emedy bA X Mixer M2 continues to regulate Communication fault — extension kit for mixer c ircuit M2 Check the extension kit connecti ons and codin g. Start the extension ki…

[Page 96] Viessmann VITODENS 300 WB3A

Displayed fault code Const. Weat- her- comp. System character- istics Cause R emedy C6 X Control mode, max. pump speed Communication fault — variable speed hea ting ci r- cuit pump, heating circuit M2 Check coding address E5 settings; check the heati…

[Page 97] Viessmann VITODENS 300 WB3A

Displayed fault code Const. Weat- her- comp. System character- istics Cause R emedy dd X R oom temperatur e sensor h eating cir- cuit A1 lead break Check the room tem- perature se n- sor for heating cir- cuit A1 dE X Heating c ircuit M2 room temper a…

[Page 98] Viessmann VITODENS 300 WB3A

Displayed fault code Const. Weat- her- comp. System character- istics Cause R emedy F1 X X Burner in fault state Flue gas tempera- ture limiter has responde d Check the heating sys- tem water level. Vent the heating system. Press r eset E no sooner t…

[Page 99] Viessmann VITODENS 300 WB3A

Displayed fault code Const. Weat- her- comp. System character- istics Cause R emedy F4 X X Burner in fault state No flame signal is presen t Check the ionisation electrode and leads, mea- sure the ioni- sation cur- rent, check the gas pres- sure, che…

[Page 100] Viessmann VITODENS 300 WB3A

Displayed fault code Const. Weat- her- comp. System character- istics Cause R emedy FA X X Burner in fault state Fan speed too h igh at burner start Check the fan, check the fan cables, check the fan control. Press E. Fd X X Burner blocked Burner con…

Viessmann VITODENS 300 WB3A Service instructions manual (148 pages)

• Viessmann
• VITODENS 300 WB3A Boiler
• viessmann-vitodens-300-wb3a-service-instructions-manual-148-783673.pdf
• 148

Page’s Samples:

Hercules 12

MCA 45

BOILER MANAGEMENT SYSTEM II 5R5-384

D SERIES

BM Series