Viessmann VITODENS 343-F WS4A Installation And Service Instructions Manual Download Page 10

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Pull the front panel at its upper
edge forward and lift out upwards.

Remove the plugs from the top of
the compact boiler and insert the
quick acting air vent valve (secured
to the top of the boiler).

Preparing the installation of the compact boiler

(cont.)

Preparing for installation

5592

883

Summary of Contents for VITODENS 343-F WS4A

Page 1: ...s for contractors Vitodens 343 F Type WS4A Compact Energy Tower with a gas fired condensing boiler as compact model Natural gas and LPG version GC no 47 819 08 For applicability see the last page VITODENS 343 F 5592 883 GB 8 2007 Please keep safe ...

Page 2: ...l legal instructions regarding the prevention of accidents all legal instructions regarding environmental protection the Code of Practice of relevant trade associations all current safety regulations as defined by DIN EN DVGW TRGI TRF VDE and all locally applicable standards If you smell gas Danger Escaping gas can lead to explosions which may result in serious injury Never smoke Prevent naked fla...

Page 3: ... loads Repair work Please note Repairing components which fulfil a safety function can com promise the safe operation of your heating system Replace faulty components only with original Viessmann spare parts Ancillary components spare and wearing parts Please note Spare and wearing parts which have not been tested together with the heating system can compromise its function Instal ling non authori...

Page 4: ...he individual steps 23 Coding Code 1 66 Code 2 68 Resetting codes to their delivered condition 84 Service scans Service level overview 85 Temperatures boiler coding card and brief scans 86 Checking outputs relay test 88 Scanning operating conditions and sensors 89 Troubleshooting Fault display 91 Fault codes 92 Repairs 99 Function description Vitotronic 200 type HO1 114 Extensions for external con...

Page 5: ...nd wiring diagrams external connections 133 Parts lists 135 Commissioning service reports 143 Specification 144 Certificates Declaration of conformity 146 Manufacturer s certificate according to the 1st BImSchV Germany 147 Keyword index 148 Index cont 5 Index 5592 883 GB ...

Page 6: ...nside its crate where possible Whilst handling the device leave the pallet beneath the unit where possible Please note To avoid equipment damage whilst handling the device with out its crate or pallet never place the device on its front or side panels or apply loads to these areas Height of unit when tilted With pallet 2395 mm Without pallet 2085 mm Positioning Installation room requirements Requi...

Page 7: ...idered Plan view A T P valve drain pipe B Hydraulic connections C Cable entry D Required clearance for the T P valve drain either on the left or on the right E Required clearance for removing the front panel also maintain this clearance when fitting the facia frame F Balanced flue connection G Gas connection Clearance dimensions 7 Preparing for installation 5592 883 GB Installation ...

Page 8: ...ulsory with connection panel Recommendation without con nection panel C Condensate drain D Gas connection E Top edge finished floor F Cable entry Allow all cables leads to protrude approx 2000 mm from the wall On site connections 8 Preparing for installation 5592 883 GB ...

Page 9: ... Position the compact boiler at a distance of approx 500 mm from the on site drain connection 2 Pull the lower front panel at its upper edge forward and lift out upwards Preparing the installation of the compact boiler 9 Preparing for installation 5592 883 GB Installation ...

Page 10: ...d and lift out upwards 4 Remove the plugs from the top of the compact boiler and insert the quick acting air vent valve secured to the top of the boiler Preparing the installation of the compact boiler cont 10 Preparing for installation 5592 883 GB ...

Page 11: ...Fitting the T P valve drain line Preparing the installation of the compact boiler cont 11 Preparing for installation 5592 883 GB Installation ...

Page 12: ...nect the drain pipe to the on site drain connection Connecting the condensate hose 1 Pull the drain hose from the open ing and route as backup loop siphon 2 Fill approx 100 ml water into the drain hose 3 Connect the drain hose to the on site drain connection Note Test for leaks prior to finalising the positioning 4 Push the boiler against the wall Preparing the installation of the compact boiler c...

Page 13: ... flow C Cold water D DHW circulation E DHW F Heating return G Solar return Installation position see page 8 All connections Rp Connection panel installation instructions Preparing the installation of the compact boiler cont 13 Preparing for installation 5592 883 GB Installation ...

Page 14: ...ections that are not required A DHW B DHW circulation pump C Spring loaded check valve D Hydraulic connection area Vitodens E Flow regulating valve F Pressure gauge connection G Drain valve H Shut off valve K Cold water L Drinking water filter M Pressure reducer N Non return valve pipe separator Fitting the connections 14 Installation sequence 5592 883 GB ...

Page 15: ... side are already integrated into the boiler Note Please read the additional mandatory installation and maintenance instruc tions to comply with G3 Building regu lation and the requirements of the UK Water Supply Water Fittings Regula tions Scoitish Water Bylaws Heating circuit connection A Heating flow Multi connect sys tem B Heating return Multi connect sys tem 1 Flush the heating system thor ou...

Page 16: ... tem Connect the solar circuit Note The solar circuit pump is integrated into the Vitodens Solar heating system installa tion instructions Flue gas connection Connect the balanced flue Flue gas system installation instructions Fitting the connections cont 16 Installation sequence 5592 883 GB ...

Page 17: ... Max test pressure 150 mbar Where higher pres sure is required for sound ness tests separate the compact boiler and the gas valves from the gas supply pipe undo the fitting 2 Vent the gas supply pipe Conversion to other gas types See Commissioning inspec tion maintenance Electrical connections Information regarding the connection of accessories For details of accessories also observe their separat...

Page 18: ... panel and route them to the wiring cham ber Please note Power cables will be damaged if they contact hot parts When routing and securing power cables on site ensure that the maximum permissi ble temperatures for these cables are not exceeded Electrical connections cont 18 Installation sequence 5592 883 GB ...

Page 19: ...eously isolates all non earthed con ductors from the mains with at least 3 mm contact separation Max fuse rating 16 A lH Power supply accessories 230 V 50 Hz Where the boiler is installed in a wet area the con nection of accessories to the power supply must not be carried out at the control unit The power supply for accessories can be made immediately at the control unit if the compact boiler is i...

Page 20: ...low temperature sensor for low loss header accessories Terminals X3 4 X3 5 Solar temperature sensor Terminals X3 8 X3 9 NOTE If no solar panels are fitted to the appliance the solar sensor has to be connected otherwise the appliance is going into an error code Also switch relay 1 off see page 64 Manual mode 0 aVG KM BUS subscriber acces sories Terminals X3 6 X3 7 Vitotrol 200 or 300 remote con tro...

Page 21: ...r operation with LPG 31 11 Function sequence and possible faults 31 12 Checking the static and supply pressure 33 13 Setting the maximum output 35 14 Checking all connections on the heating water side and DHW side for leaks 15 Checking the burner recording values on page 143 of the commissioning service report 16 Checking the balanced flue system for soundness annular gap check 35 17 Removing the ...

Page 22: ...ng the function of all safety valves 44 30 Checking the tightness of electrical connections 31 Checking all gas equipment for soundness at operating pressure 44 32 Checking the combustion quality 45 33 Checking the ionisation current 47 34 Checking the external LPG safety valve if installed 35 Matching the cylinder volume that can be heated 47 36 Matching the control unit to the heating system 48 ...

Page 23: ...level of deposits and corrosion and may lead to damage on the compact boiler Thoroughly flush the entire heating system prior to filling it with water Only use fill water of potable quality Soften fill water with hardness exceeding 3 0 mmol l e g use a small softening system for heating water see Vitoset price list An antifreeze additive suitable for heating systems can be mixed with the fill wate...

Page 24: ...The diverter valve is in cen tre position and the system will be completely filled 5 If the control unit had already been switched ON before filling began In code 1 set coding address 2F 2 see page 66 At this point the diverter valve is in its central position Whilst the fill program runs the dis play shows bF constant tem perature control unit or Filling weather compensated control unit 6 Close b...

Page 25: ...ing the heating system 1 Close the gas shut off valve and switch ON the control unit 2 Activate the venting program via coding 2F 1 Note To call up code 1 and for setting the coding address see page 66 For function and sequence of the venting program see page 121 Whilst the venting program runs the display shows EL constant temperature control unit or Venting weather compensated control unit Furth...

Page 26: ... the system pressure Filling the solar circuit Solar heating system installation and service instructions Further details regarding the individual steps cont 26 Commissioning inspection maintenance 5592 883 GB ...

Page 27: ...ve solar circuit B Solar circuit fill valve C Solar circuit pressure gauge D Sight glass Tyfocor container Further details regarding the individual steps cont 27 Commissioning inspection maintenance 5592 883 GB Service ...

Page 28: ...ent damage use exclusively Tyfocor G LS Never fill with water 4 Close ball valve of fill valve B 5 Open the air vent valve at the solar collector 6 Start the solar circuit pump At the Vitosolic 100 select MM with a b and confirm with d Select 1 with a b and con firm with a The solar circuit pump starts 7 Let the pump run until the solar cir cuit is fully vented Check the sys tem pressure at pressu...

Page 29: ...uelle Uhrzeit 2 d zur Bestätigung Datum erscheint 3 a b für aktuelles Datum 4 d zur Bestätigung Selecting the language if required only for weather com pensated control units Note When the unit is first taken into opera tion the display is in German default language setting Select heating circuit see step 1 Outside temperature see step 3 Press the following keys 1 c Heizkreis wählen select heating...

Page 30: ...s no adjustment required across the entire Wobbe range The compact boiler can be operated in the Wobbe index range 10 0 to 16 1 kWh m3 36 0 to 58 0 MJ m3 Convert the burner for operation with LPG see Gas type conversion on page 31 1 Determine the gas type and Wobbe index by asking your local gas sup ply utility or LPG supplier 2 Convert the burner for operation with LPG see page 30 3 Record the ga...

Page 31: ...select value 1 operation with LPG Set code 11 9 Terminate code 2 4 Open the gas shut off valve 5 Affix label G31 included with the technical documentation above the natural gas label on the cover panel Function sequence and possible faults Display screen Measures Control unit is sues heat de mand No Increase set value and ensure heat is drawn off Yes Fan starts No after approx 51 s fault F9 Check ...

Page 32: ... and the gas pipe for air locks Yes Burner in opera tion No Stops below the set boiler water temperature and restarts immedi ately Check the flue gas system for soundness flue gas recirculation check the gas flow pressure Yes Automatic cali bration of the combustion con trol unit No Fault Eb Check the con necting cable and the ionisation electrode check the flue gas system flue gas recirculation F...

Page 33: ...nd gas supply lines after flushing 1 Close the gas shut off valve 2 Undo the screw inside test connec tor PE A at the gas train but do not remove it and connect the pressure gauge 3 Open the gas shut off valve 4 Check the static pressure it should be a max of 57 5 mbar Record the actual value in the service report 5 Start the compact boiler Note During commissioning the boiler can enter a fault st...

Page 34: ...of explosions Check for soundness Open the gas shut off valve start the boiler and check for soundness at test connector A Supply flow pressure for nat ural gas Supply flow pressure for LPG Measures 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 42 5 to 57 5 mbar Start the boiler in excess of 25 mbar in excess of 57 5 mbar Install a se...

Page 35: ...ext to the original type plate on top of the compact boiler Checking the balanced flue system for soundness annular gap check A Combustion air port For balanced flue systems tested together with the wall mounted gas fired boiler some authorities waive the requirement for a soundness test overpressure test during commis sioning by the flue gas inspector We recommend that your heating engineer carri...

Page 36: ...years 1 Switch OFF the main power supply and the ON OFF switch at the con trol unit 2 Close the gas shut off valve and safeguard against reopening 3 Pull electrical cables from fan motor A gas valve B ionisation electrode C ignition unit D and earth tab E 4 Undo the fixing screws of gas con nection flange F 5 Release four nuts G and remove the burner Please note Prevent damage to the wire gauze Ne...

Page 37: ...he wire gauze is damaged 1 Remove electrodes A 2 Release three nuts B and remove burner gauze assembly C 3 Remove old burner gauze assem bly gasket D 4 Insert a new burner gauze assem bly with a new gasket and secure with three nuts Note Torque 4 Nm Further details regarding the individual steps cont 37 Commissioning inspection maintenance 5592 883 GB Service ...

Page 38: ...mall brush not with a wire brush or emery paper Please note Do not damage the wire gauze 3 Check the electrode gaps If the gaps are not as specified or the electrodes are damaged replace and align the electrodes together with new gasket A Tighten the electrode fixing screws with 2 5 Nm Further details regarding the individual steps cont 38 Commissioning inspection maintenance 5592 883 GB ...

Page 39: ...th alka line cleaning agents with addi tional surfactants e g Fauch 600 Remove coatings and surface discolouration yellow brown with slightly acidic chloride free cleaning agents based on phos phoric acid e g Antox 75 E Thoroughly flush with water Note Fauch 600 and Antox 75 E are sup plied by Hebro Chemie GmbH Rostocker Straße 40 D 41199 Mönchengladbach 2 Install the burner and torque nuts diagon...

Page 40: ...omponent Checking the condensate drain Check that the condensate can freely drain Cleaning the DHW cylinder Note DIN 1988 specifies a visual inspection and if required cleaning no later than two years after the cylinder has been taken into use and thereafter according to requirements Further details regarding the individual steps cont 40 Commissioning inspection maintenance 5592 883 GB ...

Page 41: ...inside only use plastic cleaning utensils 6 Use a chemical cleaning agent to remove hard deposits that cannot be removed by a high pressure cleaner Please note To prevent material losses only use plastic tools to clean the interior never use cleaning agents containing hydrochloric acid 7 Thoroughly flush the DHW cylinder after cleaning 8 Close drain valve A Further details regarding the individual...

Page 42: ...ure during installa tion that impressed current anode G has no contact with the internal indirect coil After the installation check the resistance between cable C and anode con nection D the resistance must go towards infinity 3 Push cable C onto anode connec tion D 4 Open the on site shut off valve and check for leaks 5 Install thermal insulation hood B Checking the diaphragm expansion vessel and...

Page 43: ...en to raise the inlet pressure to its set value For the set value see the solar collector service instructions 3 Top up with Tyfocor G LS and vent until the filling pressure of a cooled system is 0 3 to 0 5 bar higher than the inlet pressure of the diaphragm expansion vessel Minimum system pressure 1 7 bar Permiss operating pressure 3 5 bar Please note To prevent equipment damage use exclusively T...

Page 44: ...cable ties Checking the function of all safety valves Check the function of the safety valves on the solar side A and the heating circuit side B Checking all gas equipment for soundness at operating pres sure Danger Escaping gas leads to a risk of explosion Check gas equipment for soundness Further details regarding the individual steps cont 44 Commissioning inspection maintenance 5592 883 GB ...

Page 45: ... ranges proceed with the following steps Check the balanced flue system for soundness see page 35 Check the ionisation electrode and connecting cable see page 38 Check the parameters of the combustion control unit see page 112 Note During commissioning the combustion control unit carries out an automatic calibration This may lead to CO emissions in excess of 1000 ppm for a short time 1 Connect a f...

Page 46: ...ort 6 Adjust the upper output With a b in the display select Full load 7 Check the CO2 content Should the actual value deviate by more than 1 from the above range imple ment the steps from page 45 pos sibly replace the burner 8 After testing press d 9 Enter actual values into the service report Further details regarding the individual steps cont 46 Commissioning inspection maintenance 5592 883 GB ...

Page 47: ...e builds approx 2 3 s after opening the gas train 3 Ionisation current 4 µA Check the electrode gap see page 38 Check the control unit power sup ply 4 After testing press d 5 Record the actual value in the ser vice report Matching the cylinder volume that can be heated The cylinder volume that can be heated by the compact boiler can be reduced in favour of heating by solar collectors For this chan...

Page 48: ...e 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 For the selection of an appropriate design see the following diagrams For coding steps see page 66 System version 1 One heating circuit without mixer A1 Further details regarding the individual s...

Page 49: ...g circuit G Vitodens H Vitotrol 200 or 300 Required coding Address Operation with natural gas delivered condition or 82 0 Operation with LPG 82 1 System version 2 One heating circuit with mixer M2 and a low loss header Further details regarding the individual steps cont 49 Commissioning inspection maintenance 5592 883 GB Service ...

Page 50: ...gh limit thermostat underfloor heating G Heating circuit H Extension kit for a heating circuit with mixer K Low loss header L Vitodens M Vitotrol 200 or 300 Required coding Address Operation with natural gas delivered condition or 82 0 Operation with LPG 82 1 One heating circuit with mixer and DHW cylinder 00 4 Further details regarding the individual steps cont 50 Commissioning inspection mainten...

Page 51: ... temperature sensor sÖ Heating circuit pump aVG KM BUS aBH Power supply extension kit A Solar collectors B Collector temperature sensor C DHW circulation pump D DHW E Cold water F High limit thermostat underfloor heating G Underfloor heating circuit H Heating circuit K Extension kit for a heating circuit with mixer L Vitodens M Vitotrol 200 or 300 Further details regarding the individual steps con...

Page 52: ...perature sensor sÖ Heating circuit pump aVG KM BUS aBH Power supply extension kit A Solar collectors B Collector temperature sensor C DHW circulation pump D DHW E Cold water F High limit thermostat underfloor heating G Underfloor heating circuit H Heating circuit K Extension kit for a heating circuit with mixer L Heat exchanger for system separation Further details regarding the individual steps c...

Page 53: ... extension kit one heating circuit with mixer with the Vitotronic 200 H and low loss header Outside temperature sensor Flow temperature sensor sÖ Heating circuit pump aVG KM BUS aBH Power supply extension kit A Solar collectors B Collector temperature sensor C DHW circulation pump Further details regarding the individual steps cont 53 Commissioning inspection maintenance 5592 883 GB Service ...

Page 54: ... heating circuit with mixer and DHW cylinder 00 4 Adjusting the heating curves The heating curves illustrate the rela tionship between the outside tem perature and the boiler water or flow temperature To put it simply The lower the outside temperature the higher the boiler water or flow temperature The room temperature again depends on the boiler water or the flow temperature Settings in the deliv...

Page 55: ...or heating systems B Heating curve slope for low tem perature heating systems according to the Energy Savings Order Germany Further details regarding the individual steps cont 55 Commissioning inspection maintenance 5592 883 GB Service ...

Page 56: ...set of the heating curve 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 Setting range 13 to 40 K Further details regarding the individual steps cont 56 Commissioning inspection maintenance 5592 883 GB ...

Page 57: ... 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 heating circuit pumps if heating cir cuit pump logic function is active Reduced room temperature Example 2 Adjustment of reduced room temperature from 5 C to 14 C A Boiler water temper...

Page 58: ...ode 2 see the following table Note In the same LON system the same number cannot be allocated twice Only one Vitotronic may be programmed as fault manager Boiler control unit Vitotronic 200 H Vitotronic 200 H Vitocom Subscriber no 1 Code 77 1 Subscriber no 10 Code 77 10 Subscriber no 11 Set code 77 11 Subscriber no 99 Control unit is fault manager Code 79 1 Control unit is not fault manager Code 7...

Page 59: ...e following keys 1 L d simultaneously for approx 2 s Subscriber check initiated see page 59 2 e The subscriber list is updated after approx 2 min The subscriber check is completed Carrying out a subscriber check Communication with the system devices connected to the fault manager is tested with a subscriber check Precondition The control unit must be pro grammed as fault manager code 79 1 The LON ...

Page 60: ...6 L d simultaneously for approx 1 s The subscriber check is completed Adjusting the Vitosolic 100 The first time the boiler control unit is started the Vitosolic 100 enters an initiali sation phase the ON indicator flashes alternately red and green and then goes into automatic mode Various adjustments can be made at the Vitosolic 100 to match the control unit to the actual system conditions Callin...

Page 61: ...ing the DHW cylinder is suppressed as long as the solar circuit pump is running In coding address 67 boiler control unit enter a third set DHW temperature lower than the first set DHW temperature The sup pression is lifted when the set value is not achieved by the solar heating system SF 8 Additional function for DHW heating The additional DHW heating function second set DHW tempera ture e g code ...

Page 62: ... Note DO can be set a minimum of 0 5 K higher than DF and DF a maxi mum of 0 5 K below DO DF 1 0 DF 9 5 Maximum cylinder temperature SX Delivered condition SX 60 0 60 C Setting range Description SX 2 0 SX 90 0 This prevents a further heating of the cylinder when the selected value is exceeded At the factory the maximum cylinder temperature is enabled by FN 1 Collector limit temperature CL Delivere...

Page 63: ...mp can start This prevents the pump starting too frequently This function is disabled at CN 10 ºC 10 0 to 9 9 ºC for frost protection 10 1 to 90 ºC for minimum temperature function Maximum cylinder temperature FN Delivered condition FN 1 Setting range Description FN 0 Maximum cylinder temperature control disabled the solar circuit pump is controlled in accordance with the selected starting and sto...

Page 64: ... OFF MM 1 Relay 1 solar circuit pump ON relay 2 OFF MM 2 Relay 1 solar circuit pump OFF relay 2 ON MM 3 Relay 1 solar circuit pump ON relay 2 ON MM 4 Automatic mode Instructing the system user The system installer must hand the operating instructions to the system user and instruct him her in the operation of the system Scanning and resetting the Service display The red fault indicator flashes whe...

Page 65: ... flash Note An acknowledged service message can be redisplayed by pressing d approx 3 s After a service has been carried out 1 Reset code 24 1 to 24 0 The red fault indicator extin guishes Note If coding address 24 is not reset the Service message reappears after 7 days 2 Reset the burner hours run burner starts and consumption if required Press the following keys c Scanning is active a b for the ...

Page 66: ...taneously for approx 2 s 2 a b for the required coding address the address flashes 3 d to confirm 4 a b for the selected value 5 d to confirm the display briefly shows accepted weather compensated control unit the address flashes again 6 a b for the selection of further addresses 7 K L approx 1 s simulta neously to terminate coding 1 Overview Coding Coding in the delivered condition Possible chang...

Page 67: ...ver adjust 10 98 Vitotronic 200 H 99 Vitocom Note Allocate each number only once Summer econ A1 A5 5 With heating circuit pump logic function A5 0 Without heating circuit pump logic function Min flow temp A1 C5 20 Electronic minimum flow temperature limit 20 C C5 1 to C5 75 Minimum limit adjustable from 1 to 75 C Max flow temp A1 C6 75 Electronic maximum flow temperature limit set to 75 C C6 10 to...

Page 68: ...C Slope M2 d3 14 Heating curve slope 1 4 d3 2 to d3 35 Heating curve slope ad justable from 0 2 to 3 5 see page 54 Level M2 d4 0 Heating curve level 0 d4 13 to d4 40 Heating curve level ad justable from 13 to 40 see page 54 Code 2 Complete overview Calling up code 2 Note On weather compensated control units codes are displayed as plain text Codes that are irrelevant due to the system equipment lev...

Page 69: ... shown on the display The areas are scanned in the following sequence with a b Function area Coding addresses System design 00 Boiler burner 06 to 54 DHW 56 to 73 General 76 to 9F Heating circuit A1 heating circuit without mixer A0 to Fb 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 codin...

Page 70: ... No access to the coding addresses for the para meters of the combus tion control unit see page 112 11 9 Access to the coding ad dresses for the para meters of the combustion control unit enabled see page 112 21 0 No service display Burner 21 1 to 21 100 The number of hours run before the burner should be serviced is adjustable from 100 to 10000 hours each step represents 100 hours 23 0 No time in...

Page 71: ...ut mixer Heating circuit pump Heating circuit with mixer Cylinder primary pump 0 Control funct Control funct Control funct Control funct 1 Control funct Control funct Control funct OFF 2 Control funct Control funct OFF Control funct 3 Control funct Control funct OFF OFF 4 Control funct OFF Control funct Control funct 5 Control funct OFF Control funct OFF 6 Control funct OFF OFF Control funct 7 Con...

Page 72: ...trol funct Control funct Control funct Control funct 1 Control funct Control funct Control funct OFF 2 Control funct Control funct OFF Control funct 3 Control funct Control funct OFF OFF 4 Control funct OFF Control funct Control funct 5 Control funct OFF Control funct OFF 6 Control funct OFF OFF Control funct 7 Control funct OFF OFF OFF 8 OFF Control funct Control funct Control funct 9 OFF Control...

Page 73: ... Coding in the delivered condition Possible change Boiler burner 52 0 Without flow tempera ture sensor for low loss header 52 1 With flow temperature sensor for low loss head er automatic setting on recognition 54 1 With a Vitosolic 100 Never adjust DHW 56 0 Set DHW temperature adjustable from 10 to 60 C 56 1 Set DHW temperature adjustable from 10 to above 60 C subject to boiler coding card Observ...

Page 74: ...utput during DHW heating adjustable from 0 to 100 71 0 DHW circulation pump According to time pro gram ON separate switching times are possible for the Vitotrol 300 71 1 OFF during DHW heat ing to the first set value 71 2 ON during DHW heat ing to the first set value 72 0 DHW circulation pump According to time pro gram ON 72 1 OFF during DHW heat ing to the second set value 72 2 ON during DHW heat...

Page 75: ... for at least 5 s 80 0 Without time delay 80 2 to 80 199 Time delay adjustable from 10 to 995 1 step 5 s 81 1 Automatic summer win ter time changeover 81 0 Manual summer winter time changeover 81 2 Radio clock module is automatically detected 81 3 Accept time via LON 82 0 Operation with natural gas 82 1 Operation with LPG only adjustable if coding ad dress 11 9 has been set see page 112 88 0 Tempe...

Page 76: ...h the Vitocom 100 communication interface automatic recognition 97 0 The outside tempera ture of the sensor con nected to the control unit is utilised internally 97 1 Outside temperature is accepted from the LON 97 2 The outside temperature at the sensor connected to the control unit will be used internally and trans mitted via the LON to any connected Vitotronic 200 H 98 1 Viessmann system number...

Page 77: ...tial temperature adjustable from 0 to 40 K Boiler circuit mixer circuit A0 0 Without remote control A0 1 With Vitotrol 200 auto matic recognition A0 2 With Vitotrol 300 auto matic recognition A3 2 Outside temperature below 1 C Heating cir cuit pump ON Outside temperature above 3 C Heating cir cuit pump OFF Note When selecting a value below 1 C there is a risk of pipes outside the thermal envelope ...

Page 78: ...dition Possible change Boiler circuit mixer circuit A4 0 With frost protection A4 1 No frost protection ad justment only possible if coding address A3 9 has been selected Note When selecting a value below 1 C there is a risk of pipes outside the ther mal envelope of the building being damaged by frost The standby mode in particular should be taken into con sideration e g during holidays Code 2 con...

Page 79: ... AT RTset 1 K A5 0 Without heating circuit pump logic function A5 1 to A5 15 With heating circuit pump logic function Heating circuit pump OFF if see the following table Parameter address A5 With heating circuit pump logic function Heating circuit pump OFF if 1 AT RTset 5 K 2 AT RTset 4 K 3 AT RTset 3 K 4 AT RTset 2 K 5 AT RTset 1 K 6 AT RTset 7 to AT RTset 1 K 15 AT RTset 9 K Code 2 cont 79 Codin...

Page 80: ...a tion A7 0 Without mixer economy function A7 1 With mixer economy function extended heat ing circuit pump logic Heating circuit pump also OFF if the mixer was closed longer than for 20 min Heating circuit pump ON if the mixer changes to control mode A8 1 Heating circuit with mixer M2 creates a de mand for the internal circulation pump A8 0 Heating circuit with mixer M2 mixer circuit creates no de...

Page 81: ...cuit pump logic function 1 b5 1 to b5 8 Heating circuit pump logic function see the fol lowing table Parameter ad dress b5 With heating circuit pump logic function Heating cir cuit pump OFF if 1 enabled RTactual RTset 5 K disabled RTactual RTset 4 K 2 enabled RTactual RTset 4 K disabled RTactual RTset 3 K 3 enabled RTactual RTset 3 K disabled RTactual RTset 2 K 4 enabled RTactual RTset 2 K disable...

Page 82: ...geover switches to Constant central heating with stan dard room temperature E1 1 With remote control Set day temperature is ad justable at the remote control unit from 10 to 30 C E1 0 Set day temperature ad justable from 3 to 23 C E1 2 Set day temperature ad justable from 17 to 37 C E2 50 Heating with room tem perature hook up must be programmed for re mote control and for the heating circuit No d...

Page 83: ...aised to the value selected as set room temperature if the system operates with the standard room tem perature F9 10 to F9 60 Limit for raising the set room temperature to the value selected for stan dard mode adjustable from 10 to 60 C FA 20 Raising the set flow temperature for the transition from opera tion with reduced tem perature to operation with standard room temperature 20 FA 0 to FA 50 Ra...

Page 84: ...he following keys 1 L G simultaneously for approx 2 s 2 e Standard setting Yes appears 3 d to confirm or 4 a b to select Standard set ting No Resetting codes to their delivered condition 84 Coding 5592 883 GB ...

Page 85: ... acknowledged fault messages Press d for approx 3 s 92 Fault history Press G and d simulta neously for approx 2 s Press d 92 Subscriber check in con junction with LON sys tem Press L and d simulta neously for approx 2 s Press L and d si multaneous ly 59 Emissions test function S Press F and E simulta neously for approx 2 s Press F and E si multaneous ly Coding level 1 Plain text display Press K an...

Page 86: ...al DHW temp set DHW temp actual DHW outlet temp actual DHW outlet temp Set Flow temp Set Flow temp actual Heating circuit with mixer Heating circuit with mixer Mixed flow temp set Mixed flow temp actual Low loss header Low loss header Boiler coding card Scan 1 to Scan 8 Brief scan Display screen 1 Software version Control unit Equipment version Burner control unit version 2 System designs 01 to 06...

Page 87: ...ils in Boiler Heating circuit A1 without mixer Heating circuit M2 with mixer 7 0 0 Remote control 0 w o 1 Vitotr ol 200 2 Vitotr ol 300 Software version Remote control 0 no re mote control Remote control 0 w o 1 Vitotr ol 200 2 Vitotr ol 300 Software version Remote control 0 no re mote con trol Internal circulation pump Heating circuit pump to connection ex tension 8 Variable speed pump 0 w o 1 Wi...

Page 88: ...ve Diverter valve set to DHW mode Heating circuit p M2 ON Mixer extension Mixer CLOSE Mixer extension Mixer OPEN Mixer extension Output int ON Output sK Internal extension Heating circuit p A1 ON Ext Extension H1 Cylinder pump ON Ext Extension H1 DHW circ pump ON Ext Extension H1 Central fault ON Ext Extension H1 Vitosolic 100 The solar circuit pump can be started with the relay test at the Vitoso...

Page 89: ...o Programmed subscriber no in the LON system Holiday program If a holiday program has been entered Departure date Date Return date Date Outside temperature C Actual value Boiler water temp C Actual value Flow temperature C Actual value only for mixer circuit M2 Standard Room temperature C Set value Room temperature C Actual value Ext set room temp C For external hook up DHW temperature C Actual DH...

Page 90: ...ith mixer is installed Various languages The respective languages can be selected as permanent display language with d Vitosolic 100 Select the required scan with a or b Display Explanation AH Solar energy in kW h CL Collector limit temperature CN Minimum collector temperature CX Maximum collector temperature SX Maximum DHW cylinder temperature TC Collector temperature TS Cylinder temperature T3 T...

Page 91: ...Outside temperature sensor Flow sensor Boiler sensor Mixed flow sensor Cylinder sensor Flue gas sensor DHW outlet sensor Room temperature sensor Collector sensor Solar DHW sensor Remote control Subscriber fault Checking and acknowledging faults Note If an acknowledged fault is not removed the fault message will be re displayed the following day at 07 00 h Press the following keys 1 c for the curre...

Page 92: ...e 10 most recent faults are saved and may be scanned The faults are ordered by date thus the most recent fault is fault number 1 Press the following keys 1 G d simultaneously for approx 2 s 2 a b for individual fault codes 3 Note All saved fault codes can be deleted with e 4 d Scanning is completed Fault codes Fault code on the dis play System character istics Cause Measures 0F Control mode Servic...

Page 93: ...ader sensor see page 101 30 Burner blocked Boiler water tem perature sensor shorted out Check the boiler water temperature sensor see page 101 38 Burner blocked Boiler water tem perature sensor lead broken Check the boiler water temperature sensor see page 101 40 Mixer closes Heating circuit with mixer M2 flow temperature sensor shorted out Check the flow tempera ture sensor 48 Mixer closes Heatin...

Page 94: ... sensor see page 102 9F Control mode Solar control unit fault message See solar control unit service instructions A6 Control mode Impressed cur rent anode faulty no protective cur rent Check impressed cur rent anode cable con tacts see page 42 A7 Control mode as per delivered condition Faulty program ming unit Replace the program ming unit b0 Burner blocked Flue gas tem perature sensor shorted out...

Page 95: ...ss A0 and the remote control DIP switches bd Control mode with out remote control Communication fault Vitotrol re mote control heating circuit M2 Check connections cable coding address A0 and the remote control DIP switches bE Control mode Vitotrol remote control incorrectly programmed Check remote control DIP switch setting see page 126 bF Control mode Incorrect LON communication module Replace t...

Page 96: ...Control mode with out room influence Room tempera ture sensor heat ing circuit with mixer M2 lead broken Check the room tem perature sensor heating circuit with mixer M2 and the remote control DIP switch settings see page 126 E4 Burner blocked Internal fault Replace the control unit E5 Burner blocked Internal fault Check the ionisation electrode and cables Check the flue gas sys tem for soundness ...

Page 97: ...le Press E RESET Ed Burner in a fault state Internal fault Replace the control unit F0 Burner blocked Internal fault Replace the control unit F1 Burner in a fault state Flue gas tem perature limiter has responded Check the heating sys tem water level Vent the system Press E RESET after the flue gas system has cooled down F2 Burner in a fault state The temperature limiter has re sponded Check the h...

Page 98: ...e burner start Check the fan check the fan cables and sup ply check the fan con trol Press E RESET FA Burner in a fault state Fan not at stand still Check the fan fan con necting cables and fan control Press E RESET FC Burner in a fault state Gas train faulty or faulty modulation valve control or flue gas path blocked Check the gas train Check the flue gas sys tem Press E RESET Fd Burner in a faul...

Page 99: ...pment again Replace the con trol unit if the equip ment will not restart FF Burner blocked or in a fault state Internal fault or E RESET key blocked Start the equipment again Replace the con trol unit if the equip ment will not restart Repairs Checking the outside temperature sensor 1 Pull plug X3 from the control unit Fault codes cont 99 Troubleshooting 5592 883 GB Service ...

Page 100: ...connected plug and compare it with the curve 3 Where actual values strongly devi ate from the curve values discon nect the wires at the sensor and repeat test on the sensor itself 4 Depending on the result replace the lead or the outside temperature sensor Repairs cont 100 Troubleshooting 5592 883 GB ...

Page 101: ...ull the leads from boiler water temperature sensor A and check the resistance Cylinder temperature sensor Pull plug from the cable harness at the control unit and check the resis tance Flow temperature sensor Pull plug X3 from the control unit and check the resistance across terminals X3 4 and X3 5 see page 99 Repairs cont 101 Troubleshooting 5592 883 GB Service ...

Page 102: ...ler water tempera ture sensor is immersed in the heating water risk of scalding Drain the heating water side of the compact boiler before replacing the sensor Checking the collector temperature sensor S1 temperature sensor S2 or S3 1 Remove the cover from the wiring chamber of the Vitosolic 100 Repairs cont 102 Troubleshooting 5592 883 GB ...

Page 103: ...perature sensor S2 S3 Temperature sensor S3 2 Disconnect the respective sensor 3 Check the sensor resistance and compare it with the curve 4 Replace the sensor in case of severe deviation Repairs cont 103 Troubleshooting 5592 883 GB Service ...

Page 104: ... when the permissible flue gas temperature is exceeded Reset the interlock after the flue gas system has cooled down by pressing E RESET 1 Pull the leads from flue gas tem perature sensor A 2 Check the sensor resistance and compare it with the curve Repairs cont 104 Troubleshooting 5592 883 GB ...

Page 105: ...3 Replace the sensor in case of severe deviation Repairs cont 105 Troubleshooting 5592 883 GB Service ...

Page 106: ... 3 Close the on site shut off valve 4 Drain the boiler on the DHW side via drain valve B 5 Drain the system on the heating water side via drain valve C 6 Undo fittings D 7 Pull the locking bracket from plug in connectors E and pull the con nections on the heating water side Repairs cont 106 Troubleshooting 5592 883 GB ...

Page 107: ...the DHW side for scaling and if required flush or replace the plate type heat exchanger 10 Check the connections on the heating water side for contamina tion and if required flush or replace the plate type heat exchanger 11 Lubricate the new gaskets seals Install in reverse order with new gaskets Check the temperature limiter Repairs cont 107 Troubleshooting 5592 883 GB Service ...

Page 108: ...rmocouple A 2 Check the continuity of the thermo couple with a multimeter 3 Remove the faulty thermocouple 4 Install a new thermocouple 5 After commissioning press reset button E RESET at the control unit Checking the fuse in the wiring chamber 1 Switch OFF the power 2 Remove the cover from the wiring chamber 3 Check fuse F1 Repairs cont 108 Troubleshooting 5592 883 GB ...

Page 109: ...ng the fuse in the boiler control unit 1 Switch OFF the power 2 Release the side closures and pivot the control unit down 3 Remove cover A 4 Check fuse F1 Repairs cont 109 Troubleshooting 5592 883 GB Service ...

Page 110: ...y out the following self test Mixer Close 150 s Pump ON 10 s Mixer Open 10 s Mixer Close 10 s Then standard control mode resumes 2 Note the rotational direction of the 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 falls either the motor is turning in the wrong direc tion or the mi...

Page 111: ...nsion kit Extension kit installation instructions 3 Change over the rotational direc tion switch Switch position I for central heating return from the left delivered condi tion Switch position II for central heating return from the right Checking the Vitotronic 200 H accessories The Vitotronic 200 H is connected to the control unit via the LON cable To test the connection carry out a subscriber ch...

Page 112: ...ss 11 9 then press L and G simultaneously for approx 1 s Coding has been terminated Note If setting the parameters is not con cluded via coding address 11 the system automatically terminates the parameter change after approx 25 min Coding Coding in the delivered condition Possible change Burner 7d 0 Air factor correction 0 7d 5 to 7d 10 Note A change is only possible if manual calibration was firs...

Page 113: ...rd mode 85 1 Manual calibration of the combustion control unit The red fault indicator also flashes during cali bration The process has terminated when the red indicator no longer flashes after approx 1 min The air factor can then be manually altered in coding address 7d Note Heat must be drawn off during manual calibra tion Repairs cont 113 Troubleshooting 5592 883 GB Service ...

Page 114: ...Bedienfeld A Zeitprogramm Raumbehei zung B Zeitprogramme Warmwas serbereitung und Zirkula tionspumpe falls an der Regelung angeschlossen H Ferienprogramm D Uhrzeit Datum E Reduzierte Raumtempera tur F Warmwassertemperatur Sollwert O F Schornsteinfeger Prüffunk tion K Abschaltbetrieb L Nur Warmwasser G Heizen und Warmwasser M Partybetrieb N Sparbetrieb b a Werteinstellung d Bestätigung c Informatio...

Page 115: ...ry pump is switched ON when the boiler water tempera ture set DHW temperature The cylinder is then heated up to the set DHW temperature Heating stops when the set temperature has been reached at the cylinder temperature sensor After heating the cylinder pri mary pump and the three way diverter valve remain ON for a further 30 s Boosting when DHW is drawn off When DHW is drawn off cold water enters...

Page 116: ...ature sensor S2 or S3 The pump is switched OFF when the actual temperature falls below the stopping temperature differential DF between the collector temperature sensor and the highest temperature captured by cylinder sensor S2 or S3 Internal extension H1 The internal extension is integrated into the control unit casing The cylin der primary pump is connected to the relay output sA An external saf...

Page 117: ...3 Central fault message coding address 53 0 DHW circulation pump coding address 53 1 only for weather compensated operation Heating circuit pump for heating cir cuit without mixer coding address 53 2 Cylinder primary pump coding address 53 3 An extractor can be switched OFF via connection aBJ when the burner starts Extensions for external connections accessories 117 Function description 5592 883 G...

Page 118: ...rimary pump sK DHW circulation pump only for weather compensated opera tion fÖ Power supply gÖ Central fault message aVD External blocking terminals 2 3 External demand terminals 1 2 External heating program changeover terminals 1 2 only for weather compen sated operation The allocation of the function External heating program changeover is set via coding address 91 aVF External set value 0 to 10 ...

Page 119: ...circulation pump only for weather compensated opera tion fÖ Power supply aVD External blocking terminals 2 3 External demand terminals 1 2 External heating program changeover terminals 1 2 only for weather compen sated operation The allocation of the function External heating program changeover is set via coding address 91 aVG KM BUS Extensions for external connections cont 119 Function descriptio...

Page 120: ...g program changes over in cod ing address D5 Heating program changeover Coding Changeover towards Permanently reduced or Perma nent standby mode subject to the selected set value d5 0 Changeover towards Constant heating mode d5 1 The duration of the heating program changeover can be adjusted in coding address F2 Heating program changeover Coding No heating program changeover F2 0 Duration of the h...

Page 121: ... switched ON and OFF for 30 s respec tively over a period of 20 min For a certain period the diverter valve is alternately set towards heating and DHW heating The burner is switched OFF during the venting program The venting program is activated via code 2F 1 The program is automati cally disabled after 20 min and cod ing address 2F is set to 0 Filling program In the delivered condition the divert...

Page 122: ...tched ON and the flow temperature will be held at the selected profile After completion 30 days the mixer circuit will again be regulated automatically via the set parameters Observe EN 1264 The report to be provided by the heating contractor must contain the following heat up details Heat up data with respective flow temperatures Max flow temperature achieved Operating condition and outside tempe...

Page 123: ...ofile 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 Control functions cont 123 Function description 5592 883 GB Service ...

Page 124: ... be automatically raised subject to the outside tempera ture The temperature is raised in accordance with the selected heating curve but no higher than the set stan dard room temperature The outside temperature limits for the start and end of the temperature rais ing can be adjusted via coding addresses F8 and F9 Control functions cont 124 Function description 5592 883 GB ...

Page 125: ...d room temperature to operation with standard room tem perature the boiler water or flow tem perature will be raised in accordance with the selected heating curve The boiler water or flow temperature can be automatically increased The value and duration of the addi tional increase of the set boiler water temperature or flow temperature can be adjusted in coding addresses FA and Fb Control function...

Page 126: ...heating curve C Set boiler water or flow tempera ture in accordance with coding address FA 50 C 20 60 C D Duration of operation with raised set boiler water or flow tempera ture in accordance with coding address Fb 60 min Remote control DIP switches The DIP switches are located on the PCB in the top part of the casing Control functions cont 126 Function description 5592 883 GB ...

Page 127: ...nt results for all gas qualities The ionisation signal is evaluated by the combustion control unit and the air factor is adjusted to between λ 1 24 and 1 44 This range provides for an optimum combustion quality Thereafter the electronic gas valve regulates the required gas volume subject to the prevailing gas quality To check the combustion quality the CO2 content or the O2 content of the flue gas...

Page 128: ...stem regularly carries out an automatic self calibration also after a power failure shutdown For this the combustion is briefly regu lated to max ionisation current equals air factor λ 1 The automatic calibration is carried out shortly after the burner start and lasts approx 5 s This may lead to CO emissions in excess of 1000 ppm for a short time The combustion control unit can also be calibrated ...

Page 129: ...r temperature sen sor Cylinder temperature sensor aA Ionisation electrode aG Flue gas temperature sensor dÖ Stepper motor for diverter valve dG Gas solenoid valve Connection and wiring diagram internal connections I 129 Designs 5592 883 GB Service ...

Page 130: ...fJ Temperature limiter gF Ignition unit a ÖA Fan motor a Ö Modulation coil A Fault message impressed cur rent anode Connection and wiring diagram internal cont 130 Designs 5592 883 GB ...

Page 131: ...A1 Main PCB A2 Main PCB Connection and wiring diagram internal connections II 131 Designs 5592 883 GB Service ...

Page 132: ...emperature sensor sÖ Circulation pump 230 V sA Cylinder primary pump 230V dG Gas solenoid valve fÖ Mains input 230V 50Hz gD External safety valve if installed lH Power supply internal extension H1 a Ö Fan motor aYA Gas pressure limiter accessory aVG KM BUS a Ö Modulation coil A To the wiring chamber see the following page Connection and wiring diagram internal cont 132 Designs 5592 883 GB ...

Page 133: ...A10 Impressed current anode PCB A11 Vitosolic 100 Connection and wiring diagrams external connections 133 Designs 5592 883 GB Service ...

Page 134: ...der temperature sensor S2 PCB A11 S3 Cylinder temperature sensor S3 PCB A11 Outside temperature sensor Flow temperature sensor Collector temperature sensor sF Solar circuit pump 230 V fÖ Mains input 230V 50Hz lH Power supply of accessories aVG KM BUS aBH Power supply of accessories Connection and wiring diagrams external cont 134 Designs 5592 883 GB ...

Page 135: ... 8 037 Connecting pipe HV 038 Thermocouple 039 Temperature sensor 040 Grommets set 041 Profiled gasket 042 Safety spring 043 Heat exchangers 044 Siphon connection 046 O ring Ø28 x 2 5 047 Boiler flue connection plug 048 Pressure gauge and fem con nection 049 Boiler flue connection Ø60 100 050 Burner door 051 Ignition unit 053 Insulation ring 054 Burner gauze assembly 055 Burner gauze assembly gask...

Page 136: ...Burner maintenance set 063 Set of small burner parts 093 Cable harness X8 X9 094 Cable harness 100 35 34 aux iliary earth 096 Cable harness X3 097 Cable 96 40 X7 098 Cable X2 Vitosolic 099 Power cable stepper motor 100 Ionisation cable 101 Internal ionisation cable 102 Connection cable impressed current anode 103 Connecting cable X7 Vitosolic 104 Adaptor ionisation current test cable 105 Cable X6 ...

Page 137: ...Parts lists cont 137 Parts lists 5592 883 GB Service ...

Page 138: ...Parts lists cont 138 Parts lists 5592 883 GB ...

Page 139: ...Parts lists cont 139 Parts lists 5592 883 GB Service ...

Page 140: ...Parts lists cont 140 Parts lists 5592 883 GB ...

Page 141: ...Parts lists cont 141 Parts lists 5592 883 GB Service ...

Page 142: ...Parts lists cont 142 Parts lists 5592 883 GB ...

Page 143: ...r LPG mbar 42 5 57 5 mbar Tick gas type Carbon dioxide content CO2 at the lower rated output vol at the upper rated out put vol Oxygen content O2 at the lower rated output vol at the upper rated out put vol Carbon monoxide con tent CO at the lower rated output ppm at the upper rated out put ppm Ionisation current µA min 4 µA Commissioning service reports 143 Commissioning service reports 5592 883 ...

Page 144: ...ensing compact boiler category II 2ELL3P Rated output range TV TR 50 30 C kW 4 2 to 13 Rated thermal load range for central heating for DHW heating kW kW 3 9 to 12 3 3 9 to 16 7 Connection values relative to the max load with Natural gas E m3 h 1 77 Natural gas LL m3 h 2 05 LPG kg h 1 31 Product ID _ 0085 BO 0338 Note The supply values are only for docu mentation purposes e g in the gas contract a...

Page 145: ...ncy µ at 100 of rated output 96 0 30 of rated output 107 4 Standby loss qB 70 max limit according to EnEV Germany 0 8 Power consumption max limit according to EnEV Germany at 100 of rated output W 207 30 of rated output W 69 Specification cont 145 Specification 5592 883 GB Service ...

Page 146: ...n of conformity by an authorised body according to EMVG article 10 2 certificate number E9 02 08 1730 This product meets the requirements of the Efficiency Directive 92 42 EEC for condensing boilers The product characteristics determined as system values for the product Vitodens 343 F as part of EC type testing according to the Efficiency Direc tive see specification table can be utilised to asses...

Page 147: ... pro duct Vitodens 343 F meets the NOx limits specified by the 1st BImSchV paragraph 7 2 Germany Allendorf 4 April 2007 Viessmann Werke GmbH Co KG pp Manfred Sommer Manufacturer s certificate according to the 1st BImSchV Germany 147 Certificates 5592 883 GB Service ...

Page 148: ...ensate drain 40 Control unit 114 Cylinder temperature sensor 101 D Declaration of conformity 146 Delivered condition 84 E Electronic combustion control unit 127 Extension kit for heating circuit with mixer 110 Extension external H1 118 external H2 119 internal 116 internal H2 117 External blocking 121 External demand 121 F Fault codes 92 Fault display layout 91 Fault history 92 Fault manager 58 Fa...

Page 149: ...ut 124 Reducing the heat up time 125 Relay test 88 Relay test solar circuit pump 64 Remote control 126 Replacing the anode 42 Reports 143 Resetting codes 84 Return cooling function 63 Room temperature adjustment 57 S Safety chain 107 Scanning 86 Scanning operating conditions 89 Scanning sensors 89 Screed drying 122 Screed drying function 122 Service level overview 85 Service Reset 65 Setting the d...

Page 150: ... 86 Temperature sensor S2 102 Temperature sensor S3 102 Testing outputs 88 Thermocouple 107 V Venting 25 Venting program 121 Vitocom 300 58 Vitosolic 100 60 Vitotronic 114 Vitotronic 200 H 58 111 Keyword index cont 150 Keyword index 5592 883 GB ...

Page 151: ...151 5592 883 GB ...

Page 152: ...entally friendly chlorine free bleached paper 5592 883 GB Subject to technical modifications Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com Viessmann Limited Hortonwood 30 Telford Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com ...

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Viessmann VITODENS 343-F WS4A, Installation And Service Instructions Manual

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