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Viessmann Vitoladens 300-C, Service Instructions Manual, Page: 23 / 104

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Viessmann Vitoladens 300-C Service Instructions Manual Download Page 23

23

Note
Refit in reverse order.

Checking the condensate drain and cleaning the siphon (if instal-
led)

1. 

Check at siphon (see page 9), that
the condensate can freely drain off.

2. 

Clean the siphon.

3. 

Fill the siphon with water.

Checking the neutralising system (accessories)

Subject to a neutralising system being housed in the boiler plinth:
■ Remove the front cover from the plinth.
■ Extract the neutralising system from the plinth.
■ When installing the neutralising system ensure that the hoses are not kinked, and

that no backup loops are created.

Check the function of the neutralising
system:
Check the pH value of the condensate
with pH test strips.
Replace the granulate if the pH value
< 6.5.

Note
Part no. for pH test strips: 9517  678. 
Please observe the instructions of the
manufacturer of the neutralising sys-
tem.

Checking the active charcoal filter (accessories)

Note
Please observe the instructions of the manufacturer of the active charcoal filter sup-
plied.

Adjusting the standard burner settings

Note
To be able to adjust the burner, there
must be a heat demand and heat trans-
fer must also be assured.

Commissioning, inspection, maintenance

Further details regarding the individual steps

 (cont.)

5692 774 GB

 

Summary of Contents for Vitoladens 300-C

Page 1: ...ions for contractors VIESMANN Vitoladens 300 C Type VC3 12 9 to 28 9 kW Oil condensing boiler with integral boiler control unit For applicability see the last page VITOLADENS 300 C 5692 774 GB 11 2009 Please keep safe ...

Page 2: ...f accidents all legal instructions regarding envi ronmental 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 Gas Safety Installation Use Regu lations the appropriate Building Regulation either the Building regulations the Building Regulation Scotland Building Regulations Norther...

Page 3: ...static dis charges Touch earthed objects such as heating or water pipes to dis charge static loads Repair work Please note Repairing components which ful fil a safety function can compro mise 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 bee...

Page 4: ... Checking outputs relay test 57 Scanning operating conditions and sensors 58 Troubleshooting Fault display 60 Fault codes 61 Repairs 68 Function description Control unit 76 Control functions 77 Remote control DIP switches 83 Designs Connection and wiring diagram internal connections 85 Parts lists 90 Commissioning service reports 97 Specification 98 Certificates Declaration of conformity 99 Manufa...

Page 5: ...hanging the language at the control unit 11 10 Function sequence and possible faults 11 11 Removing the front panel 13 12 Opening the boiler door 14 13 Cleaning the heating surfaces 14 14 Closing the boiler door 17 15 Cleaning the burner 18 16 Replacing the nozzle and checking or adjusting the ignition electrodes 19 17 Burner installation 20 18 Cleaning and replacing the oil pump filter if require...

Page 6: ...djusting the oil pressure and checking the vacuum 25 27 Adjusting the air volume static burner pressure 26 28 Fitting the front panel 27 29 Checking the function of safety valves 30 Matching the control unit to the heating system 27 31 Adjusting the heating curves 30 32 Linking the control unit to the LON 33 33 Instructing the system user 35 34 Scanning and resetting the Service display 36 Commiss...

Page 7: ...ssmann 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 pre charge pressure of the diaphragm 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 Mini mum system pressure 0 8 bar 5 Close ...

Page 8: ...y 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 Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 9: ...g the heating system if required A Drain valve Filling the siphon or neutralising system accessory with water Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 10: ...ssary to reset the time and date if the time flashes in the display When the unit is first taken into opera tion the display is in German default language setting Time see step 1 Uhrzeit Date see step 2 Datum Sa Press the following keys 1 a b for the current time 2 d to confirm Datum is dis played 3 a b for the current date 4 d to confirm Commissioning inspection maintenance Further details regard...

Page 11: ...is displayed 2 d to confirm wait approx 4 s 3 c press this button again Außentemperatur outside temperature is displayed 4 b for the required language 5 d to confirm Function sequence and possible faults Display screen Measures Control unit issues heat demand No Increase set value and ensure heat is drawn off Yes Oil preheating starts No after approx 10 min Check the oil pre heater cables and plug...

Page 12: ...51 s Check the air pres sure switch cables and plug in con nectors Fault F5 Yes Ignition and oil pump motor start No Check the ignition module and oil pump motor cables and plug in connectors Yes The solenoid valves open No Fault Check the oil sup ply check the sol enoid valves F4 Yes Flame signal present Symbol A No Fault Check ignition electrodes elec trode gaps and connecting lines F4 Commissio...

Page 13: ...on the ignition trans former is perma nently on a flame is recognised For further details regarding faults see page 61 Removing the front panel Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 14: ...r door Cleaning the heating surfaces Please note To prevent damage to the heat exchanger only clean with the cleaning equipment available as accessory Danger Cleaning work may lead to eye injuries Wear protective goggles Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 15: ...th brush A 2 Clean the biferral heating surface and the stainless steel heat exchanger with a vacuum cleaner Angled noz zle B is available as an accessory Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 16: ...uitable vessel C 5 Flush stainless steel heat exchanger with water F 6 Check the condensate drain and hose E for contamination Clean with a bottle brush if required Never damage the hose with the brush Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 17: ...17 7 Reconnect condensate hose E 8 Insert combustion chamber to the end stop Closing the boiler door Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 18: ...ler door and push the mixing facility B by apply ing light pressure against the pres sure disc 2 Pull the cables from the oil preheater A and the ignition electrodes E 3 Undo Allen screw C and remove rifling facility D 4 Clean the restrictor dosing ring and ignition electrodes Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 19: ... whilst holding the oil preheater Select the nozzle in accordance with the details on page 24 3 Insert rifling facility D as far as pos sible Align ignition electrodes E in accordance with the drilled holes towards the cable entries Install the oil burner nozzle centrally into the restrictor Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 20: ... 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 Burner installation Tighten screws bolts across and click cables back into place Cleaning and replacing the oil pump filter if required Danfoss oil pump type BFP 52 A B C A Filter plug B O ring replace C Filter replace Commissioning inspection maintenance Further details regarding the individual steps cont ...

Page 21: ...thermal insulation components 1 Check gaskets and the packing cord in the boiler door for damage 2 Check the thermal insulation compo nents on the combustion chamber and the boiler door for damage 3 Replace any damaged parts Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 22: ...22 Removing side panels only required for maintenance work 1 2 3 5 4 6 Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 23: ... and that no backup loops are created Check the function of the neutralising system Check the pH value of the condensate with pH test strips Replace the granulate if the pH value 6 5 Note Part no for pH test strips 9517 678 Please observe the instructions of the manufacturer of the neutralising sys tem Checking the active charcoal filter accessories Note Please observe the instructions of the manu...

Page 24: ...le Type 80 H LE V 80 H LE V 80 H LE Make Dan foss Gph 0 40 0 50 0 50 Oil pressure approx bar 8 10 5 16 5 20 10 13 18 22 8 5 13 5 17 25 Max permiss vacuum in the oil supply line bar 0 35 0 35 0 35 0 35 0 35 0 35 Oil through put kg h 1 05 1 58 1 53 1 92 1 58 2 37 approx l h 1 24 1 86 1 80 2 26 1 86 2 78 Static burner pressure approx mbar 7 5 10 5 18 22 10 13 17 5 22 10 0 12 5 20 5 23 5 CO2 content a...

Page 25: ... and checking the vacuum Danfoss oil pump type BFP 52 1 Insert the pressure gauge range 0 25 bar into test port P A and the vacuum gauge range 0 1 bar into test port V B Note Seal the pressure and vacuum gauges only with copper or alumi nium gaskets or with O rings Never use tape to seal these joints 2 Start the boiler 3 Press K and d simultaneously for approx 2 s Relay test is shown in the dis pl...

Page 26: ...justing the air volume static burner pressure 1 Start the boiler 2 Remove plug A from the test port 3 Connect the U shaped pressure gauge to test port A 4 Press K and F simultaneously until No of revs Stage 1 and a value between 1 and 255 are dis played 5 Change the value with a b until the static burner pressure displayed by the U shaped pressure gauge and the CO2 flue gas content correspond to t...

Page 27: ...nel Matching the control unit to the heating system Note The control unit must be matched to the equipment level of the system Various sys tem 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 37 Commissioning inspection maintenance Further det...

Page 28: ...C 2 Circulation pump for cylinder heat ing 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 Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

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

Page 30: ...ng systems qQ Flow temperature sensor M2 qW Heating circuit pump M2 qE Heat exchanger for system separa tion qR Heating circuit pump M2 qT Extension kit for one heating circuit with mixer M2 Adjusting the heating curves The heating curves illustrate the relation ship between the outside temperature and the boiler water or flow tempera ture To put it simply The lower the outside temperature the hig...

Page 31: ... 2 2 Set room temperature in C 35 30 25 20 15 10 5 0 4 0 6 0 8 1 0 1 2 1 4 30 25 1 8 1 6 A Heating curve slope for underfloor heating systems B Heating curve slope for low temper ature heating systems according to the Energy Savings Order Ger many Commissioning inspection maintenance Further details regarding the individual steps cont 5692 774 GB ...

Page 32: ... Adjusting the set room temperature Standard room temperature 90 20 26 20 A C D E B Example 1 Adjustment of standard room temperature from 20 to 26 C A Boiler water temperature or flow temperature in C B Outside temperature in C C Set room temperature in C D Heating circuit pump OFF E Heating circuit pump ON Press the following keys 1 a 1r flashes 2 d to select heating circuit A1 heat ing circuit ...

Page 33: ...eating circuit pump OFF E Heating circuit pump ON Press the following keys 1 a 1r flashes 2 d to select heating circuit A1 heating circuit without mixer or 3 a 2r flashes 4 d to select heating circuit with mixer M2 5 E Call up the set night temper ature 6 a b Change the value 7 d Confirm the value Linking the control unit to the LON The LON communication module accessories must be plugged in Insta...

Page 34: ...me Set code 81 3 Device receives the time Control unit transmits outside temperature Set code 97 2 Control unit receives outside temperature Set code 97 1 Control unit receives outside temperature Set code 97 1 LON subscriber fault monitoring Code 9C 20 LON subscriber fault monitoring Code 9C 20 LON subscriber fault monitoring Code 9C 20 Updating the LON subscriber list Only possible if all subscr...

Page 35: ...n initiated 2 a b for the required sub scriber 3 d Check is enabled Check flashes until its completion The display and all key illuminations for the selected subscriber flash for approx 60 s 4 Check OK is displayed during com munication between both devices or Check not OK is displayed if there is no communication between both devices Check the LON connection 5 Repeat points 2 and 3 to check furth...

Page 36: ...confirm the display Acknowledge Yes with d The Service display extinguishes and the red fault indicator continues to flash Note An acknowledged maintenance mes sage 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 extinguishes Note If coding address 24 is not reset the service message re appears after 7 days 2 Reset ...

Page 37: ...e following 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 simultane ously to terminate cod ing 1 Codes Code 1 5692 774 GB ...

Page 38: ...ting circuit with mixer M2 with DHW heating 00 5 System versions 2 and 3 1 heating circuit without mixer A1 and 1 heating cir cuit with mixer M2 without DHW heating 00 6 System versions 2 and 3 1 heating circuit without mixer A1 1 heating circuit with mixer M2 with DHW heating Max boiler water temp 06 Maximum limit of the boiler water temperature defaulted by the boiler coding card 06 20 to 06 127...

Page 39: ... e the heating cir cuit receives a reduced amount of heat Summer econ A1 M2 A5 5 With heating circuit pump logic function A5 0 Without heating circuit pump logic 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 Maxim...

Page 40: ...e ously to terminate cod ing 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 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...

Page 41: ...with mixer M2 without DHW heating 00 6 System versions 2 and 3 1 heating circuit without mixer A1 1 heating circuit with mixer M2 with DHW heating Boiler burner 06 Maximum limit of the boiler water temperature defaulted by the boiler coding card 06 20 to 06 127 Maximum limit of the boiler water temperature within the ranges specified by the boiler 21 0 No maintenance interval hours run selected 21...

Page 42: ...ation pumps All pumps in control function 32 1 to 32 15 Influence of the signal External blocking on the circulation pumps See the following table Code Heating circuit pump Heating circuit without mixer Heating circuit pump Heating circuit with mixer Circulation pump for cylinder heating 0 Control funct Control funct Control funct 1 Control funct Control funct OFF 2 Control funct OFF Control funct...

Page 43: ...l funct 3 Control funct OFF OFF 4 OFF Control funct Control funct 5 OFF Control funct OFF 6 OFF OFF Control funct 7 OFF OFF OFF 8 Control funct Control funct Control funct 9 Control funct Control funct OFF 10 Control funct OFF Control funct 11 Control funct OFF OFF 12 OFF Control funct Control funct 13 OFF Control funct OFF 14 OFF OFF Control funct 15 OFF OFF OFF 16 Control funct Control funct Con...

Page 44: ...point adjustable from 1 to 10 K below the set value 5b 0 Never adjust 60 20 During DHW heating the boiler water temperature is max 20 K higher than the set DHW temperature 60 5 to 60 25 The difference between the boiler water temperature and the set DHW tempera ture is adjustable from 5 to 25 K 62 2 Circulation pump for cyl inder heating with 2 min run on 62 0 Circulation pump without run on 62 1 ...

Page 45: ...able from 1 to 99 1 4 Boiler 5 Cascade 10 Vitotronic 200 H 99 Vitocom Note Allocate each number only once 79 1 Control unit is fault man ager 79 0 Control unit is not fault manager 7b 1 Send time via LON 7b 0 Do not send time via LON 7F 1 Detached house 7F 0 Apartment building Separate adjustment of holiday program and time program for DHW heating as option 80 1 With 5 s delay for fault message me...

Page 46: ...ro gram changeover affects the heating circuit without mixer and the heating cir cuit with mixer 95 0 Without Vitocom 100 communication interface 95 1 With Vitocom 100 commu nication interface auto matic recognition 97 0 With LON communication module The outside tem perature of the sensor connected to the control unit is utilised internally 97 1 The control unit receives the outside temperature 97...

Page 47: ...ult message be issued 9C 0 No monitoring 9C 5 to 9C 60 The time is adjustable from 5 to 60 min 9F 8 Differential temperature 8 K only in conjunction with a mixer circuit 9F 0 to 9F 40 Differential 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 Codes Code 2 con...

Page 48: ...temperature below 1 C Heating cir cuit pump ON Outside temperature above 3 C Heating cir cuit pump OFF Note If a value is selected below 1 C there is a risk of pipes outside the ther mal envelope of the build ing freezing up The standby mode in particu lar should be taken into consideration e g during holidays A3 9 to A3 15 Heating circuit pump ON OFF see the following table Parameter Heating circ...

Page 49: ...by mode in particular should be taken into consideration e g dur ing holidays A5 5 With heating circuit pump logic function economy circuit Heating circuit pump OFF if outside tem perature AT is 1 K higher than the set room temperature 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 cir cuit pump OFF if see the foll...

Page 50: ...temperature com prising the actual outside temperature and a time constant that takes the cooling down of an average building into consideration A7 0 Without mixer economy function A7 1 With mixer economy func tion extended heating cir cuit 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 function If there is...

Page 51: ...n change the coding only for the heating circuit with mixer M2 1 b5 1 to b5 8 Heating circuit pump logic function see the following table Parameter address b5 With heating circuit pump logic function Heating circuit 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...

Page 52: ... to continuous operation with reduced room tem perature d5 1 The external heating pro gram changeover changes the heating program to Constant central heating with standard room tem perature E1 1 With remote control Set day temperature is adjustable at the remote control unit from 10 to 30 C E1 0 Set day temperature adjustable from 3 to 23 C E1 2 Set day temperature adjustable from 17 to 37 C E2 50...

Page 53: ...onstant flow temperature 20 C F2 8 Time limit for party mode 8 hours or external oper ating mode changeover via key 2 F2 0 No time limit for party mode F2 1 to F2 12 Time limit adjustable from 1 to 12 h Burner F8 5 For operation in reduced room temperature mode the set room temperature will be raised up to the temperature limit set by coding address F9 to a value that is subject to the outside tem...

Page 54: ...ature to standard room temperature mode by 20 see the example on page 82 FA 0 to FA 50 Raising the set flow tem perature for the transition from reduced room tem perature mode to standard room temperature mode adjustable from 0 to 50 Fb 30 Duration for raising the set flow temperature see coding address FA 60 min see the example on page 82 Fb 0 to Fb 150 Duration for raising the set flow temperatu...

Page 55: ...r Fault history Press G and d simulta neously for approx 2 s Press d 61 Subscriber check in con junction with a LON sys tem Press L and d simultane ously for approx 2 s Press L and d simultane ously 33 Emissions test function S Press F and E simulta neously for approx 2 s Press F and E simultane ously Coding level 1 Plain text display Press K and L simultane ously for approx 2 s Press K and L simu...

Page 56: ...Brief scan 1 to Brief scan 8 Brief scan Display 1 Software version Control unit Equipment version Burner control unit ver sion 2 System designs 1 to 6 Display in accordance with the system equipment level Number of KM BUS users 0 no KM BUS sub scriber Maximum demand temperature 3 0 Software version Program ming unit Software version Mixer exten sion 0 no mixer exten sion Software version Solar con...

Page 57: ...mote control 0 w o 1 Vitotrol 200 2 Vitotrol 300 Software version Remote control 0 no remote con trol Heating circuit A1 without mixer Heating circuit pump M2 with mixer 8 0 0 Variable speed pump 0 w o 1 Wilo 2 Grund fos Software version Variable speed pump 0 no vari able speed pump Variable speed pump 0 w o 1 Wilo 2 Grund fos Software version Variable speed pump 0 no varia ble speed pump Checking...

Page 58: ... approx 4 s 3 c press again 4 a b for the required operating condition 5 d scanning is completed The following operating conditions can be scanned subject to the actual sys tem equipment level for heating circuit A1 and heating circuit with mixer M2 Display Explanation Participant No Programmed subscriber no in the LON system Holiday program If holiday program entered Departure date Date Return da...

Page 59: ...ault ind Off On Mix valve OPEN CLOSE If an extension kit for one heating circuit with mixer is installed Solar pump Off On If a Vitosolic is installed Solar pump h Hours run Various languages The respective languages can be selected as per manent display language with d Any additional indications of operating states are irrelevant 3 Reset hours run and burner starts after a service The values can ...

Page 60: ...nsor Supply sensor Boiler sensor Cylinder sensor Flue gas sensor Room temp sensor Collector sensor Solar DHW sensor Remote control Fault participant 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 for further fault messages 3 d All fault messag...

Page 61: ...or 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 characteris tics Cause Measures 0F Control mode Service Service the appliance After servicing set coding address 24 0 10 Controls as if the out side temperature were 0 C Short circuit out side temperature sensor Check the outside tem perature sensor s...

Page 62: ...2 Check the flow tempera ture sensor 48 Mixer closes Lead break flow temperature sen sor in heating cir cuit with mixer M2 Check the flow tempera ture sensor 50 No DHW heating Short circuit cylin der temperature sensor Check the sensor see page 69 58 No DHW heating Lead break cylin der temperature sensor Check the sensor see page 69 92 Control mode Short circuit col lector temperature sensor conne...

Page 63: ...Control mode as per delivered condition Faulty program ming unit Replace the programming unit b0 Burner blocked Short circuit flue gas temperature sensor Check the flue gas tem perature sensor see page 70 b1 Control mode as per delivered condition Communication fault programming unit internal Check connections and replace the programming unit if required b4 Controls as if the out side temperature ...

Page 64: ...mote control incorrectly programmed Check remote control DIP switch settings see page 83 bF Control mode Incorrect LON communication module Replace the LON commu nication module C2 Control mode Lead break KM BUS to solar con trol unit Check the KM BUS the solar control unit and cod ing address 54 C6 Control mode max pump speed Communication fault variable speed circulation pump heating cir cuit wi...

Page 65: ... switch set tings see page 83 dE Control mode without room influence Lead break room temperature sen sor heating circuit with mixer M2 Check the room tempera ture sensor heating cir cuit with mixer M2 and the remote control DIP switch settings see page 83 E4 Burner blocked Supply voltage fault Replace the control unit E5 Burner in a fault state Internal fault Press E Replace the control unit if th...

Page 66: ...electrodes electrode gaps and connecting cables check nozzle check sole noid valve coil Correct all settings if required clean all conta minated parts and replace faulty components Press E F5 Burner in a fault state The air pressure switch does not respond Check air pressure switch and replace if necessary Press E F6 Burner in a fault state No control feed back of from fuel valve BV 2 Replace sole...

Page 67: ...ress 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 Check oil supply check nozzle Press E Fd Burner blocked Fault combustion controller Press E Replace con trol unit if the fault per sists FE Burner blocked Internal fault Check boiler coding card restart the equipment Replace the con...

Page 68: ...unit 2 Test the resistance of the outside temperature sensor across terminals X3 1 and X3 2 on the disconnec ted plug and compare it with the curve 3 Where actual values strongly deviate from the curve values disconnect the wires at the sensor and repeat test on the sensor itself 4 Subject to result replace the lead or the outside temperature sensor Troubleshooting Repairs 5692 774 GB ...

Page 69: ... cable harness at the control unit and check the resistance 10 1 10 30 50 70 90 110 Temperature in C 0 4 0 6 0 8 2 4 6 8 20 Resistance in kΩ 2 Check the sensor resistance and compare the actual values with the curve 3 Replace the sensor in case of severe deviation Danger The boiler water temperature sensor is immersed in the heating water risk of scald ing Drain the boiler before replac ing the se...

Page 70: ...oiler when the permissible flue gas temperature is exceeded Reset interlock after flue gas system has cooled down by pressing reset button E 1 Pull the lead from flue gas tempera ture sensor A 2 Check the sensor resistance and compare it with the curve Troubleshooting Repairs cont 5692 774 GB ...

Page 71: ...ce in kΩ 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 Troubleshooting Repairs cont 5692 774 GB ...

Page 72: ...2 Check the continuity of the tempera ture limiter with a multimeter 3 Remove the faulty temperature lim iter 4 Install a new temperature limiter 5 After commissioning press reset but ton E at the control unit Troubleshooting Repairs cont 5692 774 GB ...

Page 73: ...Checking the fuse F1 1 Switch OFF the power 2 Remove top panel A 3 Remove cover B 4 Check fuse F1 and fuse F on the extension PCB see connection and wiring diagram Troubleshooting Repairs cont 5692 774 GB ...

Page 74: ...xer 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 direction or the mixer set is incorrectly fitted Mixer installation instructions Changing the rotational direction of the mixer motor if required Danger An electric shock can be life threate...

Page 75: ...itch position I for central heating return from the left delivered condi tion HV KV HR Switch position II for central heating return from the right KV HV HR 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 33 Troubleshooting Repairs cont 5692 774...

Page 76: ...or for standard room temperature Keys at the user interface A Central heating time program B DHW heating and DHW circu lation pump time programs 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 Only DHW G Heating and DHW M Party mode N Economy mode b a Setting values d Confirmation c Informa...

Page 77: ...ed or changed over if the cylinder temperature 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 cylin der temperature exceeds the set cylinder temperature by 2 5 K Boosting DHW heating The b...

Page 78: ...ver Code 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 contact remains closed but at least as long as the duration selected in coding address F2 External blocking The External blocking function is con nected via input aVD In coding address 32 you can select the influence the ...

Page 79: ... the heating contractor must contain the following heat up details Heat up data with respective flow tem peratures Max flow temperature achieved Operating condition and outside tem perature during handover The various temperature profiles are adjustable via coding address F1 The function continues after power fail ure or after the control unit has been switched OFF Heating and DHW will be started ...

Page 80: ...0 30 20 10 1 5 10 15 20 25 30 Temperature profile 4 Code F1 4 Flow temperature C Days 50 40 30 20 10 1 5 10 15 20 25 30 Temperature profile 5 Code F1 5 Flow temperature C 1 5 10 15 20 25 30 Days 50 40 30 20 10 Function description Control functions cont 5692 774 GB ...

Page 81: ...ion with reduced room temperature the reduced set room tem perature can be automatically raised subject to the outside temperature The temperature is raised in accordance with the selected heating curve but no higher than the set standard room tempera ture The outside temperature limits for the start and end of the temperature raising can be adjusted via coding addresses F8 and F9 Function descrip...

Page 82: ... room temperature Reducing the heat up time During the transition from operation with reduced room temperature to operation with standard room temperature the boiler water or flow temperature 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 additional increase of the set boiler water or fl...

Page 83: ...r or flow temperature in accordance with the selected heating curve C Set boiler water or flow temperature in accordance with coding address FA 50 C 20 60 C D Duration of operation with raised set boiler water or flow temperature 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 Function description Control...

Page 84: ...heating cir cuit without mixer A1 1 2 3 4 ON The remote control affects the heating cir cuit with mixer M2 1 2 3 4 ON When connecting a separate room tem perature sensor set DIP switch 3 to ON 1 2 3 4 ON Function description Remote control DIP switches cont 5692 774 GB ...

Page 85: ...interfaces Boiler water temperature sensor aG Flue gas temperature sensor fJ Temperature limiter gF Ignition unit a Ö Fan a ÖA Fan control aXF Flame monitor aCA Air pressure switch Designs Connection and wiring diagram internal connections 5692 774 GB ...

Page 86: ...86 A1 Main PCB A2 Power supply unit A3 Programming unit A4 Combustion controller Designs Connection and wiring diagram internal cont 5692 774 GB ...

Page 87: ...ide temperature sensor Cylinder temperature sensor fÖ Power supply terminals aXA Oil preheater aXF Flame monitor aVG KM BUS aBH Power supply internal extensions 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 Designs Connection and wiring diagram internal c...

Page 88: ...88 Internal extensions H1 PCB A5 and H3 PCB A9 Designs Connection and wiring diagram internal cont 5692 774 GB ...

Page 89: ...sage aXA Oil preheater aVD External blocking terminals 2 3 External demand terminals 1 2 External heating program changeover terminals 1 2 only for weather compensated operation The allocation of function Exter nal heating program change over is set via coding address 91 aVF External set value 0 to 10 V aVG KM BUS Designs Connection and wiring diagram internal cont 5692 774 GB ...

Page 90: ...8 30u Threaded pin M 5 x 4 031 Mixer facility lid 032 Boiler door 033 Siphon 034 Condensate hose 035 Boiler flue outlet grommets 037 Brush handle 038 Thermal circuit breaker 039 Temperature sensor 040 Flue gas temperature sensor 041 Pivoting angle fitting 042 Compression spring and washer 045 Pipe clip 046 Grommet 051 Hose clip 052 Ventilation hose adaptor 053 Ball valve R 054 Safety spring 055 Co...

Page 91: ... filter insert Siku 026 Filter bowl Magnum 027 Filter insert for pos 026 043 Heat conducting paste 044 Special grease 047 Neutralisation maintenance set 048 Active charcoal filter maintenance set 049 Oil filter changeover set 050 Oil filter insert Microtec 065 Solenoid valve core 104 Fuses 6 3 A 250 V slow 10 pce 105 Boiler coding card 12 18 kW 106 Boiler coding card 15 22 kW 107 Boiler coding car...

Page 92: ...92 206 217 221 205 202 203 204 221 201 214 208 216 215 200 214 Parts lists Parts lists cont 5692 774 GB ...

Page 93: ...93 221 040 207 214 023 046 051 024 051 210 212 213 211 218 219 220 218 209 052 Parts lists Parts lists cont 5692 774 GB ...

Page 94: ...m 30u 030t 041 30r 020 30i 016 30e 30f 30l 034 057 037 036 055 002 022 006 003 019 017 018 118 029 30a 30g 30a 30d 042 029 035 028 009 033 013 001 059 015 039 005 032 008 058 007 038 053 014 010 Parts lists Parts lists cont 5692 774 GB ...

Page 95: ...95 308 312 311 310 313 309 306 307 305 309 314 304 Parts lists Parts lists cont 5692 774 GB ...

Page 96: ...96 100 102 108 111 112 103 109 106 101 Parts lists Parts lists cont 5692 774 GB ...

Page 97: ... by vol adjusted by vol Stage 2 actual by vol adjusted by vol Oxygen content O2 Stage 2 actual by vol adjusted by vol Stage 2 actual by vol adjusted by vol Carbon monoxide content CO Stage 1 actual ppm adjusted ppm Stage 2 actual ppm adjusted ppm Stat burner pressure operating phase Stage 1 actual mbar adjusted mbar Stage 2 actual mbar adjusted mbar Commissioning service reports Commissioning serv...

Page 98: ...sA 2 1 A 4 DHW circulation pump sK 2 1 A 4 Central fault mes sage gÖ 0 4 0 2 A 4 Oil 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 152 220 169 240 170 270 Motor speed Oil pump drive min 1 2880 2880 2880 Capacity Oil pump l h 45 45 45 Burner version Two stage Two stag...

Page 99: ...oilers 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 to DIN V 4701 10 which is specified by the EnEV Germany Allendorf 5 May 2007 Viessmann Werke GmbH Co KG pp Manfred Sommer Manufa...

Page 100: ...100 Allendorf 5 May 2007 Viessmann Werke GmbH Co KG pp Manfred Sommer Certificates Manufacturer s certificate according to the 1st cont 5692 774 GB ...

Page 101: ...ements 76 E Extension kit for heating circuit with mixer 74 External blocking 78 External demand 78 F Fault display layout 60 Fault history 61 Fault manager 34 Fault memory 61 Faults 60 Filling the heating system 7 Filling the system 7 Fill water 7 Flue gas temperature sensor 70 Flue gas test port 24 Functions testing 57 Fuse 73 H Heating curve 30 Heating curve level 32 Heating curve slope 32 Heat...

Page 102: ...ating conditions 58 Scanning sensors 58 Screed drying 79 Screed drying function 79 Service Reset 36 Service level overview 55 Setting the date 10 Setting the time 10 Siphon cleaning 23 filling 9 Small softening system 7 Standard burner settings 23 Standard room temperature 32 Static burner pressure 26 System designs 27 38 System pressure 7 T Temperature limiter Thermal circuit breaker 71 Temperatu...

Page 103: ...103 5692 774 GB ...

Page 104: ...7248 934 Viessmann Limited Hortonwood 30 Telford Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com 5692 774 GB Subject to technical modifications Printed on environmentally friendly chlorine free bleached paper ...

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