Viessmann VC3 Service Instructions Manual Download Page 1

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VIESMANN

Service instructions

for contractors

Vitoladens 300-C
Type VC3

, 12.9 to 28.9 kW

Oil fired condensing boiler
with integral boiler control unit

For applicability, see the last page

VITOLADENS 300-C

5692 745 GB

7/2007

Please keep safe.

Summary of Contents for VC3

Page 1: ...nstructions for contractors Vitoladens 300 C Type VC3 12 9 to 28 9 kW Oil fired condensing boiler with integral boiler control unit For applicability see the last page VITOLADENS 300 C 5692 745 GB 7 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: ...brief scans 58 Checking outputs relay test 60 Scanning operating conditions and sensors 61 Troubleshooting Fault display 63 Fault codes 64 Repairs 71 Function description Control unit 79 Control functions 80 Remote control DIP switches 86 Designs Connection and wiring diagram internal connections 88 Parts lists 93 Specification 104 Certificates Declaration of conformity 105 Manufacturer s certific...

Page 5: ...anguage at the control unit 11 10 Function sequence and possible faults 12 11 Removing the front panel 14 12 Adjusting the standard burner settings 14 13 Adjusting the oil pressure and checking the vacuum 16 14 Adjusting the air volume static burner pressure 17 15 Cleaning the burner 18 16 Replacing the nozzle and checking or adjusting the ignition electrodes 19 17 Cleaning and replacing the oil p...

Page 6: ...ssure 26 Checking the burner recording values on page 102 of the commissioning service report 27 Checking the function of all safety valves 28 Checking the tightness of electrical connections 29 Matching the control unit to the heating system 27 30 Adjusting the heating curves 30 31 Linking the control unit to the LON 34 32 Instructing the system user 36 33 Scanning and resetting the Service displ...

Page 7: ...er see Viessmann Vitoset price list An antifreeze additive suitable for heating systems can be mixed with the fill water The antifreeze manufacturer must verify its suitability 1 Check the inlet pressure of the dia phragm expansion vessel 2 Remove front insulation shell A 3 Open air vent valve B 4 Fill the heating system at the fill valve C in the heating return Minimum system pressure 0 8 bar 5 C...

Page 8: ... A if already fitted 3 Connect the drain hose on air vent valve B with a drain 4 Open valves B and C and vent using mains pressure until no more air noise is audible 5 Close valves B and C and open the heating water shut off valves Further details regarding the individual steps cont 8 Commissioning inspection maintenance 5692 745 GB ...

Page 9: ...Draining the heating system if required A Drain valve Further details regarding the individual steps cont 9 Commissioning inspection maintenance 5692 745 GB ...

Page 10: ...ater A Siphon B Neutralising system accessories Pull the supply hose from the boiler and fill with a little water Neutralising system operating instructions Further details regarding the individual steps cont 10 Commissioning inspection maintenance 5692 745 GB ...

Page 11: ...keys 1 a b for the current time 2 d to confirm Date is dis played 3 a b for the current date 4 d to confirm Changing the language at the control unit 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 circuit is displayed 2 d...

Page 12: ...ck the oil pre heater cables and plug in con nectors Fault E6 Yes Fan starts after no more than 10 min Green LED on ignition transfor mer flashes No Fault Check the oil pre heater fan cables and plug in connectors the oil preheater has not switched through the tem perature is not achieved F9 Yes The air pressure switch responds No After approx 51 s Check the air pressure switch cables and plug in ...

Page 13: ...ly check the so lenoid valves F4 Yes Flame signal pre sent Symbol A No Fault Check ignition electrodes elec trode gaps and connecting lines F4 Yes Burner in opera tion Green LED on ignition transfor mer is perma nently on For further details regarding faults see page 64 Further details regarding the individual steps cont 13 Commissioning inspection maintenance 5692 745 GB ...

Page 14: ...tings Note Check that the service instructions are valid for the relevant burner see applic ability on the last page and the serial no on the boiler type plate A Flue gas test port Further details regarding the individual steps cont 14 Commissioning inspection maintenance 5692 745 GB ...

Page 15: ...6 1 57 2 36 Static burner pressure approx mbar 7 5 10 5 18 21 10 13 18 21 10 3 21 9 CO2 content ap prox 12 2 13 2 12 2 13 2 13 2 13 5 Nozzle gap a mm 3 0 0 2 0 3 1 5 0 2 0 3 1 5 0 2 0 3 see page 19 Please note An incorrectly adjusted nozzle gap a can result in irregular operation of the burner and even a fault shutdown Always maintain the stated dimension and check in accordance with the details o...

Page 16: ...er st 1 ON 4 Where vacuum measures higher than 0 35 bar check the filter for contamination or check the pipe route 5 If required adjust the oil pressure for stage 1 at pressure adjusting screw B of the oil pump for standard values see page 15 6 Check the actual emission values after adjusting the oil pressure 7 Select burner stage 2 with a Burner st 1 2 ON is shown on the display 8 If required adj...

Page 17: ...pressure gauge and the CO2 flue gas con tent correspond to the values in the table on page 15 6 Confirm the set value with d Note The control unit changes automati cally to burner stage 2 The display shows Speed stage 1 2 and a value between 1 and 255 7 Repeat steps 4 and 5 for burner stage 2 8 Check the set values 9 Seal test connector A again with the previously removed plug Note Do not seal the...

Page 18: ...n the maintenance position 2 Pull the leads off ignition electro des D 3 Undo Allen screw B and remove rifling facility C 4 Clean the restrictor dosing ring and ignition electrodes Further details regarding the individual steps cont 18 Commissioning inspection maintenance 5692 745 GB ...

Page 19: ...holding the oil preheater Select the nozzle in accordance with the details on page 15 3 Insert rifling facility C as far as possible Align ignition electrodes D in accordance with the drilled holes towards the cable entries Install the oil burner nozzle cen trally into the restrictor Further details regarding the individual steps cont 19 Commissioning inspection maintenance 5692 745 GB ...

Page 20: ...ven a fault shutdown Rated output kW 12 9 19 3 16 1 23 5 19 3 28 9 Nozzle gap a see page 19 mm 3 0 0 2 0 3 1 5 0 2 0 3 1 5 0 2 0 3 Cleaning and replacing the oil pump filter if required Oil pump make Danfoss type BFP 52 A Filter plug B O ring replace C Filter replace Further details regarding the individual steps cont 20 Commissioning inspection maintenance 5692 745 GB ...

Page 21: ...damage to the heat exchanger only clean with the implements supplied as part of the optional cleaning set Danger Cleaning work may lead to eye injuries Wear protective goggles Further details regarding the individual steps cont 21 Commissioning inspection maintenance 5692 745 GB ...

Page 22: ...brush A 2 Clean the biferral heating surface and the stainless steel heat exchanger with a vacuum cleaner Angled nozzle B is available as an accessory Further details regarding the individual steps cont 22 Commissioning inspection maintenance 5692 745 GB ...

Page 23: ...oiler 4 Push on site hose D on the con nector and route to a suitable ves sel C 5 Flush stainless steel heat exchan ger with water F Further details regarding the individual steps cont 23 Commissioning inspection maintenance 5692 745 GB ...

Page 24: ...on components 1 Check gaskets and the packing cord in the boiler door for damage 2 Check the thermal insulation com ponents on the combustion cham ber and the boiler door for damage 3 Replace all faulty parts Further details regarding the individual steps cont 24 Commissioning inspection maintenance 5692 745 GB ...

Page 25: ...Removing side panels only required for maintenance work Further details regarding the individual steps cont 25 Commissioning inspection maintenance 5692 745 GB ...

Page 26: ... see page 10 that the condensate can freely drain off 2 Clean the siphon 3 Fill the siphon with water Checking the neutralising system accessories Check the function of the neutralising system see page 10 Check the pH value of the condensate with pH test strips Further details regarding the individual steps cont 26 Commissioning inspection maintenance 5692 745 GB ...

Page 27: ...uctions Matching the control unit to the heating system Note The control unit must be matched to the equipment level of 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 38 Further details regarding the individual step...

Page 28: ... 300 C 2 Cylinder primary pump 3 DHW cylinder 4 Cylinder temperature sensor 5 DHW circulation pump 6 Outside temperature sensor 7 Heating circuit without mixer A1 8 Heating circuit pump A1 Further details regarding the individual steps cont 28 Commissioning inspection maintenance 5692 745 GB ...

Page 29: ... mixer A1 8 Heating circuit pump A1 9 Heating circuit with mixer M2 qP Temperature limiter for limiting the max temp of underfloor heating systems qQ Flow temperature sensor M2 qW Heating circuit pump M2 qE Extension kit for one heating cir cuit with mixer M2 Required coding Address System with only one heating circuit with mixer with DHW cylinder 00 4 without DHW cylinder 00 3 Further details reg...

Page 30: ...loor heating systems qQ Flow temperature sensor M2 qW Heating circuit pump M2 qE Heat exchanger for system separation qR Heating circuit pump M2 qT Extension kit for one heating cir cuit with mixer M2 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 temperatu...

Page 31: ...eating curve slope for underfloor 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 31 Commissioning inspection maintenance 5692 745 GB ...

Page 32: ...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 32 Commissioning inspection maintenance 5692 745 GB ...

Page 33: ...with 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 te...

Page 34: ...de 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 79...

Page 35: ...s the following keys 1 L d simultaneously for approx 2 s Subscriber check initiated see page 35 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 ...

Page 36: ...criber check is completed 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 when the limits set via coding address 21 and 23 have been reached Service flashes in the programming unit display Note Set coding address 24 ...

Page 37: ...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 re appears 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 selected value e the selected value will be set to 0 a b for further scans d Scanning is completed Further detai...

Page 38: ...wing keys 1 K L simultaneously 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 Code 1 38 Coding 5692 745 GB ...

Page 39: ...circuit with mixer M2 with DHW heating 00 5 System versions 2 and 3 1 heating circuit without mixer A1 and 1 heating circuit with mixer M2 without DHW heating 00 6 System versions 2 and 3 1 heating circuit without mixer A1 1 heating cir cuit with mixer M2 with DHW heating Max boiler water temp 06 Maximum limit of the boiler water tempera ture defaulted by the boiler coding card 06 20 to 06 127 Max...

Page 40: ...gic function Min flow temp A1 M2 C5 20 Electronic minimum flow temperature limit 20 C C5 1 to C5 127 Minimum limit adjustable from 1 to 127 C Max flow temp A1 M2 C6 74 Electronic maximum flow temperature limit set to 74 C C6 1 to C6 127 Maximum limit adjustable from 1 to 127 C Slope A1 M2 d3 14 Heating curve slope 1 4 d3 02 to d3 35 Heating curve slope ad justable from 0 2 to 3 5 see page 30 Level...

Page 41: ...or weather compensated control units the address flashes again 7 a b for the selection of further addresses 8 L G approx 1 s simulta neously to terminate coding 2 Complete overview The coding addresses are grouped according to the following function areas The respective function area is shown on the display The areas are scanned in the following sequence with a b Function area Coding addresses Sys...

Page 42: ...ithout mixer A1 with DHW heat ing 00 3 System versions 2 and 3 1 heating circuit with mixer M2 without DHW heating 00 4 System versions 2 and 3 1 heating circuit with mixer M2 with DHW heating 00 5 System versions 2 and 3 1 heating circuit without mixer A1 1 heating cir cuit with mixer M2 with out DHW heating 00 6 System versions 2 and 3 1 heating circuit without mixer A1 1 heating cir cuit with m...

Page 43: ...step 0 1 litre or gal lon hour 29 0 Burner fuel consump tion stage 1 and 2 no count if 29 0 is pro grammed 29 1 to 29 255 Entry of 0 1 to 25 5 1 step 0 1 litre or gallon hour 2E 1 Never adjust 2F 0 Never adjust 30 0 Never adjust 32 0 Influence of the signal External blocking on circulation pumps All pumps in control func tion 32 1 to 32 15 Influence of the signal External blocking on circulation p...

Page 44: ... All pumps in control function 34 1 to 34 23 Influence of the signal External demand on the circulation pumps see the following table Coding Heating circuit pump Heating circuit without mixer Heating circuit pump Heating circuit with mixer Cylinder primary pump 0 Control funk Control funk Control funk 1 Control funk Control funk OFF 2 Control funk OFF Control funk 3 Control funk OFF OFF 4 OFF Cont...

Page 45: ...solar control unit 54 1 With a Vitosolic 100 54 2 With a Vitosolic 200 automatic adjustment after recognition DHW 55 0 Cylinder heating hys teresis 2 5 K 55 1 Adaptive cylinder heating 56 0 DHW temperature ad justable from 10 to 60 C 56 1 DHW temperature adjus table from 10 to above 60 C max value subject to boiler coding card Observe the maximum permissible DHW tem perature 58 0 Without auxiliary...

Page 46: ...rom 0 to 60 C 6F 100 Maximum output for DHW heating 100 defaulted by the boiler coding card 6F 0 to 6F 100 Max output during DHW heating adjustable from 0 to 100 71 0 DHW circulation pump ON according to time program 71 1 OFF during DHW heating to set value 1 71 2 ON during DHW heating to set value 1 72 0 DHW circulation pump ON according to time program 72 1 OFF during DHW heat ing to the second ...

Page 47: ...lay for fault message message is displayed if fault is pre sent 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 88 0 Temperatures are dis played in C Celsius 88 1 Temperatures are d...

Page 48: ...internally 97 1 The control unit receives the outside temperature 97 2 The control unit sends the outside temperature to the Vitotronic 200 H 98 1 Viessmann system number in conjunction with monitoring several systems via Vitocom 300 98 1 to 98 5 System number adjusta ble from 1 to 5 9b 0 No minimum set boiler water temperature for external demand 9b 1 to 9b 127 Set value adjustable from 1 to 127 ...

Page 49: ...F Note When selecting a value below 1 C there is a risk of pipes outside the thermal envelope of the building being damaged by frost The standby mode in particular should be taken into consideration e g dur ing holidays A3 9 to A3 15 Heating circuit pump ON OFF see the following table Parameter 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 ...

Page 50: ... e g during holidays A5 5 With heating circuit pump logic function economy circuit Heat ing circuit pump OFF if outside temperature AT is 1 K higher than the set room tempera ture RTSet 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 pum...

Page 51: ... constant that takes the cooling down of an average building into considera 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 a mixer has been closed for longer than 20 min Heating pump ON If the mixer changes to control mode If there is a risk of frost A8 1 Never adjust A9 7 With pump idle time Heating c...

Page 52: ...cuit pump logic function change the coding only for the heating circuit with mixer M2 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 dis...

Page 53: ...evel ad justable from 13 to 40 see page 30 d5 0 With external heating program changeover Heating program switches to continuous operation with reduced room temperature d5 1 The external heating pro gram changeover changes the heating pro gram to Constant central heating with standard room temperature E1 1 With remote control Set day temperature is ad justable at the remote control unit from 10 to ...

Page 54: ...mp 45 of max speed in reduced mode E9 0 to E9 100 Speed adjustable from 0 to 100 of max speed F1 0 Screed drying function disabled only for weather compensated control units F1 1 to F1 5 Screed drying function adjustable in accordance with 5 optional tempera ture time profiles see page 82 F1 6 to F1 15 Constant flow tempera ture 20 C F2 8 Time limit for party mode 8 hours or exter nal operating mo...

Page 55: ...m temperature if the system operates with the standard room tem perature see the exam ple on page 84 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 reduced room temperature to standard room tempera ture mode by 20 see the example on page 85 FA 0 to FA 50 Rai...

Page 56: ...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 56 Coding 5692 745 GB ...

Page 57: ...the display dar kens Press d and b simulta neously the display be comes lighter Fault history Press G and d simulta neously for approx 2 s Press d 64 Subscriber check in con junction with a LON sys tem Press L and d simulta neously for approx 2 s Press L and d si multaneous ly 34 Emissions test function S Press F and E simulta neously for approx 2 s Press F and E si multaneous ly Coding level 1 Pl...

Page 58: ...al outside temperature with e Boiler temp Set Boiler temp actual DHW temp set DHW temp actual Flow temp Set Heating circuit with mixer Flow temp actual Heating circuit with mixer Boiler coding card Scan 1 to Scan 8 Display screen Brief scan 1 Software version Control unit Equipment version Burner control unit version 2 System designs 1 to 6 Display in accor dance with the sys tem equipment level N...

Page 59: ... de mand 0 no ex ternal blocking 1 exter nal blocking 0 External 0 to 10 V hook up Display in C 0 no external hook up 6 Number of LON sub scribers Check digit Max output Details 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 ...

Page 60: ... K d simultaneously for approx 2 s 2 a b for the required relay out put 3 d Relay test is completed Subject to the actual equipment level the following relay outputs can be controlled Display screen Explanation Burner st 1 ON Burner stage 1 Burner st 1 2 ON Burner stage 2 Mixer CLOSE Mixer extension Mixer OPEN Mixer extension Heating circuit p M2 ON Mixer extension Heating circuit p A1 ON Cylinder...

Page 61: ... value Boiler water temp C Actual value Flow temperature C Actual value only with heating circuit with mixer M2 Standard room temperature C Set value Room temperature C Actual value Ext set room temp C With external hook up DHW temperature C Actual DHW temperature Burner st 1 h 1 Hours run Burner stage 2 h 1 Hours run Burner starts Actual value Consumption 1 Solar energy Indication in kWh Time Dat...

Page 62: ...d Solar pump OFF ON If a Vitosolic is installed Solar circuit pump h Hours run Various languages The respective languages can be selected as permanent display language with d Any additional indications of operating states are irrelevant Scanning operating conditions and sensors cont 62 Service scans 5692 745 GB ...

Page 63: ...s Burner control unit Outside temperature sensor Flow sensor Boiler sensor Cylinder sensor Flue gas 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 current fault 2 a b...

Page 64: ...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 65: ...boiler water temperature sensor see page 72 40 Mixer closes Heating circuit with mixer M2 flow temperature sensor shorted out Check the flow tempera ture sensor 48 Mixer closes Heating circuit M2 flow temperature sensor lead bro ken Check the flow tempera ture sensor 50 No DHW heating Cylinder tempera ture sensor shorted out Check the sensor see page 72 58 No DHW heating Cylinder tempera ture sens...

Page 66: ... Solar control unit fault displayed if a fault without fault code occurs at the solar con trol unit Check the solar control unit see solar control unit service instruc tions 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 Check the flue gas tem perature sensor see page 74 b1 Control mode as...

Page 67: ...itches 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 settings see page 86 bF Control mode Incorrect LON communication module Replace the LON com munication module C2 Con...

Page 68: ...empera ture sensor heat ing circuit with mixer M2 shorted out Check the room tem perature sensor heating circuit with mixer M2 dd Control mode with out room influence Room tempera ture sensor heat ing circuit A1 lead broken Check the room tem perature sensor heating circuit A1 and the re mote control DIP switch settings see page 86 dE Control mode with out room influence Room tempera ture sensor h...

Page 69: ...ing sys tem fill level Check the circulation pump Vent the system Check the temperature limiter and connecting cables Press E F3 Burner in a fault state Flame signal is al ready present at burner start Check ignition electro des electrode gaps and connecting lines Press E F4 Burner in a fault state The flame is not established at the end of the safety time Check oil supply igni tion electrodes ele...

Page 70: ...t is faulty or has responded The jumper across term inals 1 and 2 in junction box 201 is broken or has been removed Check fire safety switch or smoke thermostat check jumper across terminals 1 and 2 in junction box 201 see page 90 Press E FA Burner in a fault state Fan speed devia tion Check fan check con necting cables to fan Press E Fb Burner in a fault state 3 x flame blow off during operation ...

Page 71: ...king the outside temperature sensor 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 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 Fault codes cont 71 Troubleshooting 5692 745 GB ...

Page 72: ...re sensor or the cylinder temperature sensor 1 Boiler water temperature sensor Pull 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 resistance Repairs cont 72 Troubleshooting 5692 745 GB ...

Page 73: ... is immersed in the heating water risk of scalding Drain the boiler before repla cing 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 Reset interlock after flue gas system has cooled down by pressing reset button E Repairs cont 73 Troubleshooting 5692 745 GB ...

Page 74: ...are it with the curve 3 Replace the sensor in case of severe deviation Checking the temperature limiter If the burner control unit cannot be reset after a fault shutdown although the boiler water temperature is below approx 90 C check the following Repairs cont 74 Troubleshooting 5692 745 GB ...

Page 75: ...heck the continuity of the tem perature limiter with a multimeter 3 Remove the faulty temperature lim iter 4 Install a new temperature limiter 5 After commissioning press reset button E at the control unit Repairs cont 75 Troubleshooting 5692 745 GB ...

Page 76: ...Checking the fuse 1 Switch OFF the power 2 Remove top panel A 3 Remove cover B 4 Check fuse F1 see connection and wiring diagram Repairs cont 76 Troubleshooting 5692 745 GB ...

Page 77: ...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 Mixer installation instruc tions Changing the rotational direction of the mixer motor if required Danger An electric shock can be life threateni...

Page 78: ...tch 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 system To test the connection carry out a subscriber check at the boiler control unit see page 34 Repairs cont 78 Troubleshooting 5692 745 GB ...

Page 79: ...temperature Keys at the user interface A Central heating time pro gram B DHW heating and DHW cir culation pump time pro grams if connected to the control unit H Holiday program D Time date E Reduced room temperature F Set DHW temperature O F Emissions test function K Standby mode L DHW only G Heating and DHW M Party mode N Economy mode b a Setting values d Confirmation c Information e Standard set...

Page 80: ...tion pump and the three way valve are started or changed over if the cylinder tempera ture lies 2 5 K below the set cylinder temperature The set boiler water temperature is adjusted 20 K higher than the set DHW temperature adjustable via coding address 60 The burner will be switched OFF and the circulation pump run on time will begin if the actual cylinder temperature exceeds the set cylinder temp...

Page 81: ...ating program changeover can be adjusted in coding address F2 Heating program changeover Coding No heating program changeover F2 0 Duration of the heating program changeover 1 to 12 hours F2 1 to F2 12 The heating program changeover stays enabled for as long as the con tact remains closed but at least as long as the duration selected in cod ing address F2 External blocking The External blocking fu...

Page 82: ...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 temperature during handover The various temperature profiles are adjustable ...

Page 83: ...e 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 Control functions cont 83 Function description 5692 745 GB ...

Page 84: ... 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 84 Function description 5692 745 GB ...

Page 85: ...duced 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 func...

Page 86: ... 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 86 Function description 5692 745 GB ...

Page 87: ...ol 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 Remote control DIP switches cont 87 Function description 5692 745 GB ...

Page 88: ...faces Boiler water temperature sen sor aG Flue gas temperature sensor fJ Temperature limiter gF Ignition unit a Ö Fan a ÖA Fan control aXF Flame monitoring aCA Air pressure switch Connection and wiring diagram internal connections 88 Designs 5692 745 GB ...

Page 89: ...A1 Main PCB A2 Power supply unit A3 Optolink A4 Burner control unit Connection and wiring diagram internal cont 89 Designs 5692 745 GB ...

Page 90: ...faces Outside temperature sensor Cylinder temperature sensor fÖ Power supply aXA Oil preheater aXF Flame monitoring aVG KM BUS aBH Power supply internal exten sions s A Internal connecting cable Plug 201 connection diagram dF Jumper or fire safety switch a Ö Fan motor s A Internal connecting cable on the main PCB A Oil pump B Fuel valve 1 C Fuel valve 2 Connection and wiring diagram internal cont ...

Page 91: ...Internal extensions H1 and H3 A5 and A9 Connection and wiring diagram internal cont 91 Designs 5692 745 GB ...

Page 92: ...heater 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 function External heating program changeover is set via coding address 91 aVF External set value 0 to 10 V aVG KM BUS Connection and wiring diagram internal cont 92 Designs 5692 745 GB ...

Page 93: ...M4 x 10 30f Serrated washer A 4 3 30g Cheese head screw M4 x 20 30h Washer A 4 3 30i Cheese head screw M5 x 12 30j Cheese head screw M5 x 8 30k Pan head screw M 4 x 28 30l Cheese head screw M5 x 40 30m Pan head screw M3 x 6 30r Gasket A 10x14x1 5 30t Countersunk screw M4 x 8 30u Threaded pin M 5 x 4 031 Mixer facility lid 032 Boiler door 033 Siphon 034 Condensate hose 035 Boiler flue outlet gromme...

Page 94: ...afety valve 3 bar 309 Twin nipple 310 Union nut G 1 311 Seal washer 32 x 43 x 2 312 Threaded insert RP 1 x G 1 313 Air vent valve G 314 Boiler fill valve Wearing parts 001 Flame tube 006 Nozzle 010 Ignition electrode 020 Plug in coupler 021 Filter element for item 004 022 Packing 16 x 12 mm 036 Cleaning brush Parts not shown 025 Oil filter insert Siku 026 Filter bowl Magnum 027 Filter insert for i...

Page 95: ... 301 Ventilation air gasket D 125 302 Plug set 303 Plug set 400 Operating instructions 401 Installation instructions 402 Service instructions A Type plate optionally l h or r h side Parts lists cont 95 Parts lists 5692 745 GB ...

Page 96: ...Parts lists cont 96 Parts lists 5692 745 GB ...

Page 97: ...Parts lists cont 97 Parts lists 5692 745 GB ...

Page 98: ...Parts lists cont 98 Parts lists 5692 745 GB ...

Page 99: ...Parts lists cont 99 Parts lists 5692 745 GB ...

Page 100: ...Parts lists cont 100 Parts lists 5692 745 GB ...

Page 101: ...Parts lists cont 101 Parts lists 5692 745 GB ...

Page 102: ...t CO2 Stage 1 actual vol set vol Stage 2 actual vol set vol or Oxygen content O2 Stage 1 actual vol Stage 2 actual vol set vol Carbon monoxide content CO Stage 1 actual ppm set ppm Stage 2 actual ppm set ppm Stat burner pressure Stage 1 actual mbar operating phase set mbar Stage 2 actual mbar set mbar Commissioning service reports 102 Commissioning service reports 5692 745 GB ...

Page 103: ...Service Service Service Service Commissioning service reports cont 103 Commissioning service reports 5692 745 GB ...

Page 104: ...cuit pump sÖ 2 1 A 1 Circulation pump sA 2 1 A 1 DHW circulation pump sK 2 1 A 1 Central fault mes sage gÖ 0 4 0 2 A 1 Oil fired condensing boiler type B23 C33x C53x C63x Rated output kW 12 9 19 3 16 1 23 5 19 3 28 9 Burner stage 1 2 1 2 1 2 Rated output kW 12 9 19 3 16 1 23 5 19 3 28 9 Power consumption W 152 219 169 234 170 270 Motor speed Oil pump drive min 1 2880 2880 2880 Capacity Oil pump l ...

Page 105: ...EC 92 42 EEC 98 37 EEC 2006 95 EC This product meets the requirements of the Efficiency Directive 92 42 EEC for low temperature boilers The product characteristics determined as system values for the product Vitola dens 300 C as part of EC type testing according to the Efficiency Directive see specification table can be utilised to assess the energy consumption of heating and ventilation equipment...

Page 106: ...ired condensing boiler Vitoladens 300 C complies with the NOx lim its specified by the 1st BImSchV paragraph 7 2 Germany Allendorf 2 July 2007 Viessmann Werke GmbH Co KG pp Manfred Sommer Manufacturer s certificate according to the 1st BImSchV Germany 106 Certificates 5692 745 GB ...

Page 107: ...xtension kit for heating circuit with mixer 77 External blocking 81 External demand 81 F Fault display layout 63 Fault history 64 Fault manager 34 Fault memory 64 Faults 63 Fill water 7 Filling the heating system 7 Filling the system 7 Flue gas temperature sensor 74 Flue gas test port 14 Functions testing 60 Fuse 76 H Heating curve 30 Heating curve level 32 Heating curve slope 32 Heating program c...

Page 108: ... operating conditions 61 Scanning sensors 61 Screed drying 82 Screed drying function 82 Service level overview 57 Service Reset 37 Setting the date 11 Setting the time 11 Siphon cleaning 26 filling 10 Small softening system 7 Specifications 104 Standard burner settings 14 Standard room temperature 33 Static burner pressure 17 System designs 27 39 System pressure 7 T Temperature limiter Thermocoupl...

Page 109: ...109 5692 745 GB ...

Page 110: ...110 5692 745 GB ...

Page 111: ...111 5692 745 GB ...

Page 112: ...248 934 112 Printed on environmentally friendly chlorine free bleached paper 5692 745 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 VC3, Service Instructions Manual

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