Viessmann B2KA Installation And Service Instructions For Contractors Download Page 108

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Fig. 77

Hydraulics type B2HA

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Expansion vessel

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Expansion vessel brace

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Connection line, expansion vessel

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Clip Ø 8 (5 pce)

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Thermal circuit breaker

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Gasket set A 10 x 15 x 1.5 (5 pce)

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Temperature sensor

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Air vent valve G 3/8

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Heat exchanger connection pipe

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Drain hose 10 x 1.5 x 1500

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O-ring 20.6 x 2.6 (5 pce)

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Diaphragm grommet

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Blade terminal retainer (2 pce)

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Pressure gauge

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Heating water return connection elbow

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Spring clip DN 25 (5 pce)

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Heating water return connection pipe

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Heating water return connection elbow

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Quick-action air vent valve G 3/8

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Retaining pin (5 pce)

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Diaphragm grommet

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Gasket, plug-in connector (5 pce)

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Circular gasket 8 x 2 (5 pce)

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Clip Ø 10 (5 pce)

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Aqua plate

Parts lists

Burner

(cont.)

5772 980 GB

Service

Summary of Contents for B2KA

Page 1: ...structions for contractors VIESMANN Vitodens 200 W Type B2HA B2KA 3 2 to 35 kW Wall mounted gas condensing boiler Natural gas and LPG version For applicability see the last page VITODENS 200 W 5772 980 GB 4 2013 Please keep safe ...

Page 2: ...lectrical appli ances on or off Close the gas shut off valve Open windows and doors Evacuate any people from the danger zone Notify your gas or electricity supply utility from outside the building Shut off the electricity supply to the building from a safe place outside the building If you smell flue gas Danger Flue gas can lead to life threatening poisoning Shut down the heating system Ventilate ...

Page 3: ... pipes to dis charge static loads Repair work Please note Repairing components that fulfil a safety func tion can compromise the safe operation of your system Defective components must be replaced with genuine Viessmann spare parts Auxiliary components spare and wearing parts Please note Spare and wearing parts that have not been tes ted together with the system can compromise its function Install...

Page 4: ...Power supply fÖ 17 Routing connecting cables 17 Closing the control unit enclosure and inserting the programming unit 18 Fitting the front panel 19 3 Commissioning inspec tion maintenance Steps commissioning inspection and maintenance 20 4 Code 1 Calling up coding level 1 43 Calling up coding level 1 43 General Group 1 43 Coding 44 Boiler Group 2 45 Coding 45 DHW Group 3 46 Coding 46 Solar Group 4...

Page 5: ... 91 Heating mode 91 DHW heating with gas condensing combi boiler 91 DHW heating with gas condensing boiler 91 Boosting DHW heating 91 Internal extensions accessories 92 Internal extension H1 92 Internal extension H2 93 External extensions accessories 94 Extension AM1 94 Extension EA1 95 Control functions 96 External heating program changeover 96 External blocking 97 External demand 97 Venting prog...

Page 6: ...sioning service reports 115 12 Specification 116 13 Certificates Declaration of conformity 118 Manufacturer s certificate according to the 1st BImSchV Germany 118 14 Keyword index 119 Index Index cont 5772 980 GB ...

Page 7: ...usage or operation of the appliance e g the appliance being opened by the system user is prohibi ted and results in an exclusion of liability Incorrect usage also occurs if the components in the heating system are modified from their intended function e g if the flue gas and ventilation air paths are sealed Product information Vitodens 200 W type B2HA B2KA Preset for operation with natural gas E a...

Page 8: ... 3 2 19 0 136 6 5 26 0 158 8 8 35 0 158 Note This boiler IP rating IP X4 D is approved for installa tion in wet rooms inside safety zone 1 according to DIN VDE 0100 Exposure to water jets must be pre vented Observe the requirements of DIN VDE 0100 1 Fit the pre plumbing jig or mounting frame provided at the chosen installation site Pre plumbing jig or mounting frame installa tion instructions 2 Pr...

Page 9: ...educing valve is installed to DIN 4753 Only use a non return valve or a combined shut off and non return valve in conjunction with a safety valve If the safety valve is used the cold water shut off valve on the boiler must not be shut off Remove the toggle on the cold water shut off valve if installed to prevent it being shut off manually Shock arrestor If draw off points that could cause pressure...

Page 10: ...urn gas condensing boiler E Heating return F Filling draining Flue gas connection Note The labels System certificate and Skoberne GmbH flue system enclosed with the technical documenta tion may only be used in conjunction with the Viessmann flue system made by Skoberne Connecting the balanced flue Flue system installation instructions Installation sequence Mounting the boiler and making connection...

Page 11: ...2 Connect the condensate hose with a constant fall and a pipe vent to the public sewage system or to a neutralising system Gas connection A Fig 6 Information on operation with LPG Install an external safety solenoid valve if the boiler is sited in rooms below ground level 1 Seal gas shut off valve A into the gas supply pipe 2 Carry out a tightness test Note Only use suitable and approved leak dete...

Page 12: ...amaged by elec trostatic discharge Prior to commencing any work touch earthed objects such as heating or water pipes to dis charge static loads 2x 4x 4 3 5 2 1 Fig 7 Installation sequence Opening the control unit enclosure 5772 980 GB Installation ...

Page 13: ...ck receiver X4 KM BUS connection heating circuit pump Type B2HA Cylinder temperature sensor part of the DHW cylinder connection set Type B2KA Comfort sensor connected at the factory aVG KM BUS subscriber accessory To connect several accessories see page 16 Vitotrol 200A or 300A remote control Vitocom 100 type GSM Extension kit for one heating circuit with mixer Solar control module type SM1 Vitoso...

Page 14: ... to short circuits or phase fail ure The external connection must be potential free and comply with the requirements of safety cate gory II Plug lH Extension EA1 A lH N 1 L A Floating contact when connecting remove jumper across L and 1 B S DE D DE A DE A A Floating contact B Extension EA1 Codes 4b 1 in group General 1 Effect of the function on the relevant heating circuit pump Coding address d7 i...

Page 15: ...te gory II Plug lH Extension EA1 A lH N 1 L A Floating contact when connecting remove jumper across L and 1 B S DE D DE A DE A A Floating contact B Extension EA1 Codes 4b 2 in group General 1 Effect of the function on the heating circuit pump Coding address d6 in group Heating circuit only with weather compensated control units Effect of the function on the circulation pump for cylin der heating i...

Page 16: ...t source control unit 145 145 40 A 40 145 145 40 A 40 B C 145 40 96 A 145 145 40 A 40 D E Fig 10 Some accessories with direct power supply 145 145 40 A 40 145 145 40 A 40 B C 145 40 96 A 145 145 40 A 40 D E Fig 11 A Heat source control unit B Extension kit for heating circuit with mixer M2 C Extension kit for heating circuit with mixer M3 D Extension AM1 EA1 and or solar control module type SM1 E ...

Page 17: ...mmend installing an AC DC sensitive RCD RCD class B for DC fault currents that can occur with energy efficient equip ment Max fuse rating 16 A Danger The absence of component earthing can lead to serious injury from electric current if an electrical fault occurs Connect the appliance and pipework to the equi potential bonding of the building in question Routing connecting cables Please note If con...

Page 18: ...cable harness Type B2KA Plug for comfort sensor connected at the factory Closing the control unit enclosure and inserting the programming unit 5 4 2 6 2x 3 1 Fig 13 Insert programming unit packed separately into the control unit support Note The programming unit can also be inserted into a wall mounting base accessory near the boiler Wall mounting base installation instructions Installation sequen...

Page 19: ...19 2x 1 2 3 Fig 14 Note Always fit the contact guard and locking screws before starting the appliance Installation sequence Fitting the front panel 5772 980 GB Installation ...

Page 20: ...auze assembly 30 19 Checking and adjusting the ignition and ionisation electrodes 31 20 Cleaning the heat exchanger 31 21 Checking the condensate drain and cleaning the siphon 31 22 Installing the burner 32 23 Checking the neutralising system if installed 24 Checking the flow limiter only for gas condensing combi boilers 33 25 Checking the expansion vessel and system pressure 33 26 Checking the fu...

Page 21: ... kW 50 3 0 mol m3 2 0 mol m3 0 02 mol m3 50 to 200 2 0 mol m3 1 5 mol m3 0 02 mol m3 200 to 600 1 5 mol m3 0 02 mol m3 0 02 mol m3 600 0 02 mol m3 0 02 mol m3 0 02 mol m3 Conversion rate 1 mol m3 100ppm A Fig 15 1 Check the pre charge pressure of the expansion vessel See page 33 2 Close the gas shut off valve 3 Charge the heating system via boiler drain fill valve A in the heating return at the co...

Page 22: ...lect the required language with Sprache Dansk Cesky Bulgarski Deutsch Wählen mit ê ê ç DE BG CZ DK ê ê Fig 16 Setting the time and date only for weather compensated control units The time and date need to be reset during commis sioning or after a prolonged time out of use Extended menu 1 å 2 Settings 3 Time Date 4 Set current time and date Note on automatic testing of the flue gas tempera ture sen...

Page 23: ... valve B 5 When the required operating pressure has been built close valve A Open the shut off valves on the heating water side 6 Remove the drain hose again from top valve B and keep safe Venting the heating system A Fig 18 1 Close the gas shut off valve and switch the control unit ON 2 Check whether the air vent screw in quick action air vent valve A of the heating circuit pump is open 3 Activat...

Page 24: ... water as well A B Fig 19 1 Remove retaining clip A and siphon B 2 Fill siphon B with water 3 Mount siphon B and secure with retaining clip A Note Never twist the inlet hose during assembly Route the drain hose without any bends and with a con stant fall Checking all connections on the heating water side and DHW side for leaks Designating heating circuits only for weather compensated control units...

Page 25: ...F switch 8 3 Select the gas type in coding address 82 Call up code 2 Call up General weather compensated control unit or Group 1 constant temperature control unit Select coding address 11 and value 9 Confirm with OK The display shows 11 0 Select coding address 82 and set value 1 LPG operation Confirm with OK Select coding address 11 and set value 9 Confirm with OK The display shows 11 0 End servic...

Page 26: ... the pressure gauge Close test port A with the screw 9 Open the gas shut off valve and start the appliance Danger Gas escaping from the test nipple leads to a risk of explosion Check gas tightness at test connector A Supply pressure flow pressure Actions For natural gas For LPG Below 17 4 mbar 1 74 kPa Below 42 5 mbar 4 25 kPa Do not start the boiler Notify your gas supply utility or LPG supplier ...

Page 27: ...the gas flow pressure Yes Automatic calibration of the combustion controller No Fault E3 Ensure adequate heat transfer Press reset but ton R Fault Eb Check gap between ioni sation electrode and burn er gauze assembly Check allocation of gas type coding address 82 gas train setting Check flue system reme dy flue gas recirculation if required Press reset button R For further details regarding faults...

Page 28: ... gap check A Fig 22 A Combustion air aperture For balanced flue systems tested together with the wall mounted gas fired boiler the requirement for a tight ness test during commissioning by the flue gas inspec tor is not applicable We recommend that your heating engineer carries out a simple leak tightness test during the commissioning of your system For this it would be sufficient to check the CO2...

Page 29: ...reopening 3 Remove cables from fan motor A gas train B ignition and ionisation electrode C ignition unit D and earth tab E 4 Undo gas supply pipe fitting F 5 Undo four screws G and remove the burner Please note Prevent damage to the burner Never rest the burner on the burner gauze assembly Commissioning inspection maintenance Burner removal 5772 980 GB ...

Page 30: ...mal insulation ring D and then remove thermal insulation ring D 3 Undo two Torx screws and remove burner gauze assembly E with gasket F 4 Insert new burner gauze assembly E with new gasket F and secure Torque 5 0 Nm 5 Fit thermal insulation ring D 6 Fit electrodes B Torque 4 5 Nm Commissioning inspection maintenance Checking the burner gasket and burner gauze assembly 5772 980 GB ...

Page 31: ...d lead to corro sion damage Never use brushes to clean the heating sur faces Brushing can cause existing deposits to get stuck in the coil gaps Note Discolouration of the heat exchanger surface is a nor mal sign of usage It has no impact on the function and service life of the heat exchanger The use of chemical cleaning agents is not necessary A Fig 26 1 Use a vacuum cleaner to remove deposits fro...

Page 32: ... Route the drain hose without any bends and with a con stant fall Installing the burner F G D E 4x C B A Fig 28 1 Install the burner and tighten screws G diagonally with 8 5 Nm 2 Fit gas supply pipe F with a new gasket 3 Check the gas connections for tightness Danger Escaping gas leads to a risk of explosion Check all fittings for gas tightness Commissioning inspection maintenance Checking the con...

Page 33: ... higher pressure of 2 or 3 bar 0 2 or 0 3 MPa The safety valve too can respond and discharge excess pressure Check whether the installed expansion vessel is ade quate for the system water volume GB only Carry out this test on a cold system 1 Drain the system or close the cap valve on the expansion vessel and reduce the pressure until the pressure gauge indicates 0 2 If the pre charge pressure of t...

Page 34: ...d lower heating output respectively 7 5 to 9 5 for natural gas E and LL 8 8 to 11 1 for LPG P For all gas types the O2 content must be between 4 0 and 7 6 If the actual CO CO2 or O2 contents lie outside their respective ranges proceed as follows Check the balanced flue system for tightness see page 28 Check the ionisation electrode and connecting cable see page 31 Note During commissioning the com...

Page 35: ...ss OK ON will be displayed constantly 4 Select the upper heating output Press ä 5 Select 2 with Ú ON flashes 6 Press OK ON will be displayed constantly 7 Ending output selection Press ä Checking the flue system for unrestricted flow and tightness Checking the external LPG safety valve if installed Matching the control unit to the heating system The control unit must be adjusted subject to the sys ...

Page 36: ...1 heating circuit 1 Function system components Code Set Group Operation with LPG 82 1 General 1 System with DHW circulation pump DHW circulation pump connected at internal extension H1 or H2 System version 2 One heating circuit without mixer A1 and one heating circuit with mixer M2 with without DHW heating Note The flow rate of the heating circuit without mixer must be at least 30 greater than the...

Page 37: ...System only with one heating circuit with mixer with extension kit for mixer without unregulated heating circuit With DHW cylinder or instantaneous water heater 00 4 General Without DHW cylinder or instantaneous water heater 00 3 General System with DHW circulation pump DHW circulation pump connected at internal extension H1 or H2 System version 3 One heating circuit without mixer A1 and one heati...

Page 38: ... header with without DHW heating M M qU qP 9 8 7 qQ qW qE qR qT qZ 1 4 2 3 6 5 Fig 34 ID 4605149_1001_01 1 Vitodens 200 W 2 Outside temperature sensor 3 DHW cylinder 4 Cylinder temperature sensor 5 Heating circuit without mixer A1 heating circuit 1 6 Heating circuit pump A1 7 Heating circuit with mixer M2 heating circuit 2 8 Flow temperature sensor M2 9 Heating circuit pump M2 qP Extension kit for...

Page 39: ...s with mix ers then the flow temperature of the heating circuit without mixer is higher by a selected differential 8 K in the delivered condition than the flow temperature of the heating circuits with mixers The differential temperature is adjustable via coding address 9F in the General group 0 2 Outside temperature in C Boiler water or Flow temperature in C Slope 2 4 2 6 2 8 3 0 3 2 3 4 90 80 70 ...

Page 40: ...ctions Changing the slope and level Individually adjustable for each heating circuit A B Boiler water or flow temperature in C 90 20 20 Outside temperature in C 3 5 1 4 0 2 Fig 38 A Changing the slope B Changing the level vertical parallel offset of the heating curve Extended menu 1 å 2 Heating 3 Select heating circuit 4 Heating curve 5 Slope or Level 6 Select heating curve according to the system...

Page 41: ...em number Code 98 1 LON subscriber fault monitor ing Code 9C 20 LON subscriber fault moni toring Code 9C 20 LON subscriber fault moni toring Code 9C 20 Carrying out a LON subscriber check The subscriber check is used to test communication with the system devices connected to the fault man ager Preconditions The control unit must be programmed as fault man ager code 79 1 in the General group The LO...

Page 42: ...sage that was not reset appears again after 7 days After the service has been carried out Reset the codes Service menu 1 Press OK and å simultaneously for approx 4 s 2 Service functions 3 Service reset Note The selected service parameters for hours run and in terval restart at 0 Reset code 24 1 in group 2 to 24 0 Note The selected service parameters for hours run and in terval restart at 0 Instruc...

Page 43: ...eating circuit 1 6 All codes std device In this group all coding addresses are displayed in ascending order 7 Standard setting Call up code 1 Service menu 1 Press OK and å simultaneously for approx 4 s 2 Coding level 1 3 Select group of required coding address 4 Select coding address 5 Select value according to the following tables and confirm with OK Service menu 1 Press OK and å simultaneously f...

Page 44: ...3 without DHW heating 8 4 One heating circuit with mixer M2 heating circuit 2 and one heating circuit with mixer M3 heating circuit 3 with DHW heating 9 4 One heating circuit without mixer A1 heating circuit 1 one heating circuit with mixer M2 heating circuit 2 and one heating circuit with mixer M3 heating circuit 3 without DHW heating code is set automatically 10 4 One heating circuit without mix...

Page 45: ...extended menu Emissions test mode can be ena bled 8F 2 Operation enabled in the standard menu and blocked in the extended menu Emissions test mode can be ena bled Set flow temperature for external demand 9b 70 Set flow temperature for external demand 70 C 9b 0 to 9b 127 Set flow temperature for external de mand adjustable from 0 to 127 C limited by boiler specific parame ters Boiler Group 2 Select...

Page 46: ...g suppression 67 40 For solar DHW heating Set DHW temperature 40 C Reheating is suppressed above the selected set temperature boiler starts as back up if the rise in the cylinder tem perature is too low Cannot be adjusted on gas con densing combi boilers 67 0 to 67 95 Set DHW temperature adjustable from 0 to 95 C limited by boiler specific parameters Enable DHW circulation pump 73 0 DHW circulatio...

Page 47: ...rate solar circuit 0F 70 Solar circuit flow rate at the maxi mum pump speed 7 l min 0F 1 to 0F 255 Flow rate adjustable from 0 1 to 25 5 l min 1 step 0 1 l min Extended solar control functions 20 0 No extended control function ena bled 20 1 Additional function for DHW heating 20 2 Differential temperature control 2 20 3 Differential temperature control 2 and ausiliary function 20 4 Differential te...

Page 48: ...ction adjusted outside temperature A6 36 Extended economy control disa bled only for weather compensa ted control units A6 5 to A6 35 Extended economy control enabled i e the burner and heating circuit pump will stop and the mixer will be closed at a variable value adjusta ble between 5 and 35 C plus 1 C The base value is the adjusted out side temperature This value is based on the actual outside ...

Page 49: ...pump logic function only for weather compensated control units only change the code for the heating circuit with mixer b5 1 to b5 8 For heating circuit pump logic func tion see the following table Parameter address b5 With heating circuit pump logic function Heating circuit pump OFF Heating circuit pump ON 1 RTactual RTset 5 K RTactual RTset 4 K 2 RTactual RTset 4 K RTactual RTset 3 K 3 RTactual R...

Page 50: ...or heating systems without a heating circuit with mixer Minimum speed of the internal var iable speed heating circuit pump 30 of max speed only for weather compensated control units E7 0 to E7 100 Minimum speed adjustable from 0 to 100 of the maximum speed Screed drying F1 0 Screed drying disabled only for weather compensated control units F1 1 to F1 6 Screed drying adjustable in accord ance with ...

Page 51: ...ure limit for raising the set reduced room temperature 14 C see example on page 100 only for weather com pensated control units F9 10 to F9 60 Temperature limit for raising the set room temperature to the value se lected for standard mode adjustable from 10 to 60 C Set flow temperature increase FA 20 Raising the set boiler water or flow temperature by 20 when chang ing from operation with reduced ...

Page 52: ...dard setting Call up code 2 Service menu 1 Press OK and simultaneously for approx 4 s 2 Press OK and simultaneously for approx 4 s 3 Coding level 2 4 Select group of required coding address 5 Select coding address 6 Select value according to the following tables and confirm with OK Service menu 1 Press OK and å simultaneously for approx 4 s 2 Press OK and ä simultaneously for approx 4 s 3 Select 2...

Page 53: ...ng circuit 2 and one heating circuit with mixer M3 heating circuit 3 without DHW heating code is set automatically 10 4 One heating circuit without mixer A1 heating circuit 1 one heating circuit with mixer M2 heating circuit 2 and one heating circuit with mixer M3 heating circuit 3 with DHW heating code is set automatically Coding in the delivered condition Possible change 11 9 No access to the co...

Page 54: ...ulation pump key func tion DHW circulation pump runtime ad justment Coding address 3d 3b 0 Function input DE2 at extension EA1 Not assigned 3b 1 Function input DE2 Heating pro gram changeover 3b 2 Function input DE2 External de mand with set flow temperature Flow temperature setting Coding address 9b Internal circulation pump function Coding address 3F 3b 3 Function input DE2 External block ing In...

Page 55: ...xternal demand 3F 1 Internal circulation pump stops at signal External demand 3F 2 Internal circulation pump starts at signal External demand 4b 0 Function input lH Room temperature controller Vitotrol 100 Only for constant temperature control units 4b 1 External demand 4b 2 External blocking 51 0 System with low loss header Internal circulation pump always starts when there is a heat de mand 51 1...

Page 56: ...scade 10 97 Vitotronic 200 H 98 Vitogate 99 Vitocom Note Allocate each number only once 79 1 With LON communication module Control unit is fault manager only for weather compensated control units 79 0 Control unit is not fault manager 7b 1 With LON communication module Control unit transmits the time on ly for weather compensated con trol units 7b 0 Does not transmit time 7F 1 Detached house only ...

Page 57: ...y for weather compensated control units 97 1 Control unit receives outside tem perature 97 2 The control unit transmits the out side 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 adjustable from 1 to 5 99 0 Never adjust 9A 0 Never adjust 9b 70 Set flow temperature for external demand 70 C 9...

Page 58: ...e indication on the dis play 24 1 Service indicator is shown on dis play the address is automatically set and must be manually reset after a service has been carried out 28 0 No burner interval ignition 28 1 to 28 24 Time interval adjustable from 1 h to 24 h The burner is force started for 30 s at a time only when operating with LPG 2E 0 Never adjust 2F 0 Venting program fill program disa bled 2F ...

Page 59: ...p for cylinder heating stops at signal External demand 5F 2 Circulation pump for cylinder heating starts at signal External demand 60 20 During DHW heating the boiler water temperature is max 20 K higher than the set DHW tempera ture 60 5 to 60 25 The differential between the boiler water temperature and the set DHW temperature is adjustable from 5 to 25 K 62 2 Circulation pump with 2 min run on t...

Page 60: ...stantly ON Solar Group 4 Select Solar for weather compensated control unit see page 52 Select 4 for constant temperature control unit see page 52 Note The solar group is only displayed if a solar control module type SM1 is connected Coding Coding in the delivered condition Possible change 00 8 Start temperature differential for solar circuit pump 8 K 00 2 to 00 30 Start temperature differential ad...

Page 61: ...ing switched on No flow rate captured in the solar circuit or flow rate too low 0C 0 Delta T monitoring switched off 0d 1 Night circulation monitoring switch ed on Unintentional flow rate is captured in the solar circuit e g at night 0d 0 Night circulation monitoring switched off 0E 1 Heat statement in conjunction with Viessmann heat transfer medium 0E 2 Never adjust 0E 0 No heat statement 0F 70 S...

Page 62: ...50 Stop temperature for thermostat function code 20 5 or 20 6 must be selected 50 C 25 0 to 25 100 Stop temperature for thermostat function adjustable from 0 to 100 K 26 1 Priority for DHW cylinder 1 with cyclical heating Code 20 9 must be selected 26 0 Priority for DHW cylinder 1 without cyclical heating 26 2 Priority for DHW cylinder 2 without cyclical heating 26 3 Priority for DHW cylinder 2 wi...

Page 63: ...e taken into consideration e g during holidays Parameter Heating circuit pump Address A3 ON OFF 9 10 C 8 C 8 9 C 7 C 7 8 C 6 C 6 7 C 5 C 5 6 C 4 C 4 5 C 3 C 3 4 C 2 C 2 3 C 1 C 1 2 C 0 C 0 1 C 1 C 1 0 C 2 C 2 to 1 C to 3 C to 15 14 C 16 C Coding in the delivered condition Possible change A4 0 With frost protection only for weather compensated control units A4 1 No frost protection this setting is ...

Page 64: ...xer has been trying to close for longer than 20 min Heating circuit pump ON If the mixer changes to control function If there is a risk of frost A8 1 Heating circuit with mixer creates a demand for the internal circulation pump only for weather compensa ted control units A8 0 Heating circuit with mixer creates no demand for the internal circulation pump A9 7 With pump idle time Heating cir cuit pu...

Page 65: ...3 K Coding in the delivered condition Possible change C5 20 Electronic minimum flow tempera ture limit 20 C only for weather compensated control units C5 1 to C5 127 Minimum limit adjustable from 1 to 127 C limited by boiler specific pa rameters C6 74 Electronic maximum flow tempera ture limit 74 C only for weather compensated control units C6 10 to C6 127 Maximum limit adjustable from 10 to 127 C...

Page 66: ...ircuit pump in of the max speed in standard mode Value is defaulted by boiler specific parameters only for weather compensated control units E6 0 to E6 100 Maximum speed adjustable from 0 to 100 E7 30 Only for heating systems without a heating circuit with mixer Minimum speed of the internal var iable speed heating circuit pump 30 of max speed only for weather compensated control units E7 0 to E7 ...

Page 67: ...units F7 0 In Standby mode the internal cir culation pump is permanently off F7 1 to F7 24 In Standby mode the internal cir culation pump will be started 1 to 24 times per day for 10 min each time F8 5 Temperature limit for terminating reduced mode 5 C see example on page 100 Observe the setting of coding ad dress A3 only for weather com pensated control units F8 10 to F8 60 Temperature limit adju...

Page 68: ...ating circuit 1 HC1 Heating circuit 2 HC2 DHW Solar Enter Vitocom PIN code Subscriber check Service PIN Heating circuit 3 HC3 Coding level 2 Fault history Service functions Terminate service Reset data Filling Venting Max output Service reset Multi boiler system Fig 39 Note Do not adjust menu item Multi boiler system The menu item turns a weather compensated control unit into a constant temperatur...

Page 69: ...ly for approx 4 s 2 Select required information with 3 Confirm with OK flashes 4 Confirm with OK the value is reset Brief scan In the brief scan you can scan temperatures software versions and connected components for example Brief scan for weather compensated control units Service menu 1 Press OK and å simultaneously for approx 4 s 2 Diagnosis 3 Brief scan 4 Press OK The display shows 9 lines wit...

Page 70: ... control 10 only for KM BUS circula tion pumps Heating circuit pump heat ing circuit A1 HC1 Heating circuit pump heat ing circuit M2 HC2 Heating circuit pump heat ing circuit M3 HC3 Variable speed pump 0 Without 1 Wilo 2 Grundfos 3 Ascoli Software ver sion variable speed pump 0 No variable speed pump Variable speed pump 0 Without 1 Wilo 2 Grundfos 3 Ascoli Software ver sion variable speed pump 0 N...

Page 71: ...rsion Burner control unit d Variable speed pump 1 Wilo 2 Grundfos 3 Ascoli Software version Variable speed pump 0 No variable speed pump E 1 Software ver sion Solar control module type SM1 Software version Burner control unit F 1 Code 53 setting Internal details for calibration Extension AM1 F 2 Software ver sion Output A1 config uration value corre sponds to code 33 setting Output A1 switching st...

Page 72: ...Diverter valve set to DHW mode Htg circ pump HC2 ON Heating circuit pump output active extension to heating circuit with mixer Mixer HC2 Open Mixer open output active extension to heating circuit with mixer Mixer HC2 Close Mixer close output active extension to heating circuit with mixer Htg circ pump HC3 ON Heating circuit pump output active extension to heating circuit with mixer Mixer HC3 Open ...

Page 73: ...m output internal pump starts 3 Internal output sÖ int pump is active 4 Diverter valve set to heating mode 5 Diverter valve in central position filling draining 6 Diverter valve set to DHW mode 10 Internal extension output active 15 Solar circuit pump output sF on solar control module SM1 active 16 Solar circuit pump output on solar control module SM1 switched to minimum speed 17 Solar circuit pum...

Page 74: ... history The 10 most recent faults including resolved ones are saved and can be scanned Faults are sorted by date 1 Press OK and å simultaneously for approx 4 s 2 Fault history 3 Display Deleting fault history 1 Press OK and å simultaneously for approx 4 s 2 Fault history 3 Delete Constant temperature control unit In the event of a fault red fault indicator A flashes The two digit fault code and s...

Page 75: ...Break in communi cations wireless outside tempera ture sensor Check wireless connec tion place wireless out side temperature sensor close to the wireless base station Log off outside tempera ture sensor then log on again Wireless base sta tion installation and service instructions Replace the wireless out side temperature sensor 20 X X Regulates without flow temperature sen sor low loss header Sho...

Page 76: ...iler Lead break outlet temperature sen sor Check sensor see page 85 90 X X Control mode Short circuit tem perature sensor Check sensor on solar control module 91 X X Control mode Short circuit tem perature sensor aÖ Check sensor aÖ on solar control module 92 X X No solar DHW heat ing Short circuit col lector temperature sensor Check temperature sen sor on solar control module or sensor on the Vito...

Page 77: ...ondition Communication er ror programming unit Check connections and replace programming unit if required b5 X X Control mode as per delivered condition Internal fault Replace control unit b7 X X Burner blocked Boiler coding card faulty Plug in boiler coding card or replace if faulty b8 X X Burner blocked Lead break flue gas temperature sensor Check flue gas tempera ture sensor bA X Mixer regulate...

Page 78: ...trol mode Communication er ror extension EA1 Check connections C2 X X Control mode Communication er ror solar control module or Vitosolic Check solar control mod ule or Vitosolic C3 X X Control mode Communication er ror extension AM1 Check connections C4 X X Control mode Communication er ror OpenTherm extension Check OpenTherm exten sion C5 X X Control mode max pump speed Communication er ror inte...

Page 79: ...8 X X Control mode Input DE3 fault at extension EA1 Remove fault at relevant appliance dA X Control mode without room influence Short circuit room temperature sen sor heating circuit 1 without mixer Check room temperature sensor heating circuit 1 db X Control mode without room influence Short circuit room temperature sen sor heating circuit 2 with mixer Check room temperature sensor heating circui...

Page 80: ...erature limiter caused shutdown Ensure adequate heat transfer Press reset button R E4 X X Burner blocked Fault 24 V supply voltage Replace control unit E5 X X Burner blocked Fault flame ampli fier Replace control unit E7 X X Burner in a fault state Ionisation current too low during cali bration Check ionisation elec trode Distance to burner gauze assembly see page 31 Electrode contaminated Connect...

Page 81: ... and burn er gauze assembly see page 31 Check allocation of gas type see page 25 Check flue system reme dy flue gas recirculation if required Press reset button R EC X X Burner in a fault state Parameter fault during calibration Press reset button R or Replace boiler coding card and press reset but ton R Ed X X Burner in a fault state Internal fault Replace control unit EE X X Burner in a fault st...

Page 82: ...emperature limiter and connecting cables Press reset button R F3 X X Burner in a fault state Flame signal is al ready present at burner start Check ionisation elec trode and connecting ca ble Press reset button R F8 X X Burner in a fault state Fuel valve closes too late Check gas train Check both control paths Press reset button R F9 X X Burner in a fault state Fan speed too low during burner star...

Page 83: ...Burner blocked or in a fault state Internal fault or re set button R blocked Restart the appliance Re place the control unit if the appliance will not re start Repair Checking the outside temperature sensor X3 Fig 44 100 10 20 10 0 10 20 30 Temperature in C 6 8 20 40 60 80 200 Resistance in kΩ Fig 45 Sensor type NTC 10 kΩ 1 Pull plug X3 from the control unit 2 Test the resistance of the outside te...

Page 84: ...er temperature sensor Pull plug from the cable harness at the control unit and check the resistance Low loss header flow temperature sensor Pull plug X3 from the control unit and check the resistance across terminals X3 4 and X3 5 2 Check the sensor resistance and compare it with the curve 3 Replace the sensor in the case of severe deviation Danger The boiler water temperature sensor is immersed i...

Page 85: ...pe NTC 10 kΩ 1 Disconnect the leads from outlet temperature sen sor A or comfort sensor B 2 Check the sensor resistance and compare it with the curve 3 Replace the sensor in the case of severe deviation Note Water can leak when replacing the outlet tempera ture sensor Close the cold water shut off valve Drain the DHW line and the plate heat exchanger DHW side Troubleshooting Repair cont 5772 980 G...

Page 86: ...exchanger 08 Check the connections on the heating water side for contamination and if required clean or replace the plate heat exchanger 09 Install in reverse order using new gaskets 10 Danger Escaping gas leads to a risk of explosion Check all gas equipment for tightness Checking the flue gas temperature sensor The flue gas temperature sensor locks out the boiler when the permissible flue gas tem...

Page 87: ...til it is completed success fully Checking the temperature limiter If the burner control unit cannot be reset after a fault shutdown although the boiler water temperature is below approx 75 C check the following A Fig 53 1 Pull the leads from temperature limiter A 2 Check the continuity of the temperature limiter with a multimeter 3 Remove the faulty temperature limiter 4 Coat the replacement temp...

Page 88: ...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 insert is incorrectly fitted Mixer installation instructions Changing the rotational direction of the mixer motor if required gS BU Fig 55 1 Remove the upper casing cover of the extension kit Danger An electric shock can be life threatening Befo...

Page 89: ... 200 H accessory The Vitotronic 200 H is connected to the control unit via the LON cable To test the connection carry out a subscriber check at the boiler control unit see page 40 Troubleshooting Repair cont 5772 980 GB Service ...

Page 90: ...ay valve are started or changed over The burner modu lates to reach the DHW outlet temperature and is limi ted on the boiler side by the temperature limiter DHW heating with gas condensing boiler The burner the circulation pump and the 3 way valve are started or changed over if the cylinder temperature lies 2 5 K below the set cylinder temperature In the delivered condition the set boiler water te...

Page 91: ...u lates to reach the DHW outlet temperature and is limi ted on the boiler side by the temperature limiter DHW heating with gas condensing boiler The burner the circulation pump and the 3 way valve are started or changed over if the cylinder temperature lies 2 5 K below the set cylinder temperature In the delivered condition the set boiler water temper ature is 20 K above the set DHW temperature ad...

Page 92: ...ed via coding address 53 in group General Central fault message code 53 0 DHW circulation pump code 53 1 only for weather compensated operation Heating circuit pump for heating circuit without mixer code 53 2 Circulation pump for cylinder heating code 53 3 An external gas isolation valve can be connected to connection gD Function description Internal extensions accessories 5772 980 GB Service ...

Page 93: ...ding address 53 in group General Central fault message code 53 0 DHW circulation pump code 53 1 only for weather compensated operation Heating circuit pump for heating circuit without mixer code 53 2 Circulation pump for cylinder heating code 53 3 An extractor fan can be switched off via connection aBJ when the burner starts Function description Internal extensions accessories cont 5772 980 GB Ser...

Page 94: ...he heating circuit without mixer Circulation pump for cylinder heating DHW circulation pump Select the output functions by means of the codes on the boiler control unit Function assignment Function Code General group Output A1 Output A2 DHW circulation pump sK 33 0 34 0 delivered condition Heating circuit pump sÖ 33 1 delivered condition 34 1 Circulation pump for cylinder heating sA 33 2 34 2 Func...

Page 95: ...ump External contacts must be floating When connecting external contacts observe the requirements of safety category II i e 8 0 mm air and creep path or 2 0 mm insulation thickness to live parts Input function assignment Select the input functions by means of codes in the General group at the boiler control unit DE1 Coding address 3A DE2 Coding address 3b DE3 Coding address 3C Assigning the operat...

Page 96: ...E1 DE2 or DE3 by means of a pushbut ton The runtime is adjusted via coding address 3d in the General group Analogue input 0 10 V The 0 10 V hook up provides an additional set boiler water temperature 0 1 V is taken as no default for set boiler water tem perature 1 V Set value 10 C 10 V Set value 100 C Ensure DC separation between the earth conductor and the negative pole of the on site voltage sou...

Page 97: ...at least as long as the duration selected in coding address F2 External blocking The External blocking and External blocking and fault message input functions are connected via extension EA1 There are 3 inputs available at exten sion EA1 DE1 to DE3 The function is selected via the following coding addresses in the General group External blocking Code Input DE1 3A 3 Input DE2 3b 3 Input DE3 3C 3 Ex...

Page 98: ... Filling with the control unit switched on If the system is to be filled with the control unit switched on the diverter valve is moved in the fill pro gram to its central position and the pump starts When the function is enabled the burner shuts down The program is automatically disabled after 20 min Screed drying When activating screed drying observe the informa tion provided by the screed manufa...

Page 99: ...40 30 20 10 1 5 10 15 20 25 30 Fig 65 Temperature profile 4 Code F1 4 Flow temperature C Days 50 40 30 20 10 1 5 10 15 20 25 30 Fig 66 Temperature profile 5 Code F1 5 Flow temperature C 1 5 10 15 20 25 30 Days 50 40 30 20 10 Fig 67 Temperature profile 6 Code F1 6 Flow temperature C 1 5 10 15 20 25 30 Days 50 40 30 20 10 60 Fig 68 Function description Control functions cont 5772 980 GB Service ...

Page 100: ...n A B 20 Outside temp in C Boiler water or flow temperature in C 80 70 60 50 40 30 0 5 10 15 5 10 Set room temperature in C 35 30 25 20 15 10 5 0 90 Fig 70 A Heating curve for operation with standard room temperature B Heating curve for operation with reduced room temperature Reducing the heat up time During the transition from operation with reduced room temperature to operation with standard roo...

Page 101: ...l The heating circuit allocation must be configured when commissioning the Vitotrol Heating circuit Vitotrol configuration 200A 200 RF 300A 300 RF The remote control affects the heating circuit without mixer A1 H 1 HC 1 The remote control affects the heating circuit with mixer M2 H 2 HC 2 The remote control affects the heating circuit with mixer M3 H 3 HC 3 Note One heating circuit can be assigned...

Page 102: ...tionship between the CO2 or O2 content and air ratio λ is illustrated in the following table Air ratio λ CO2 O2 content Air ratio λ O2 content CO2 content for natural gas E CO2 content for natural gas LL CO2 content for LPG P 1 20 3 8 9 6 9 2 11 3 1 24 4 4 9 2 9 1 10 9 1 27 4 9 9 0 8 9 10 6 1 30 5 3 8 7 8 6 10 3 1 34 5 7 8 5 8 4 10 0 1 37 6 1 8 3 8 2 9 8 1 40 6 5 8 1 8 0 9 6 1 44 6 9 7 8 7 7 9 3 1...

Page 103: ...ure sensor aA Ionisation electrode aG Flue gas temperature sensor dÖ Stepper motor for diverter valve fJ Temperature limiter gF Ignition unit a Ö Fan motor a Ö A Fan motor control aVL Type B2KA only Flow switch a Ö Modulation coil Designs Connection and wiring diagram Internal connections 5772 980 GB Service ...

Page 104: ...Electrical interface Outside temperature sensor Flow temperature sensor low loss header Cylinder temperature sensor type B2HA or Comfort sensor type B2KA plug on the cable harness sÖ Internal circulation pump dG Gas solenoid valve fÖ Power supply lH Power supply for accessories and Vitotrol 100 a Ö Fan motor a Ö A Fan motor control aYA Gas pressure switch aVG KM BUS Designs Connection and wiring d...

Page 105: ...our local dealer Overview of the assemblies B D F E C A 0003 Fig 74 A Type plate B Casing assembly C Heat cell assembly with burner D Control unit assembly E Hydraulic assembly with Aqua plate F Miscellaneous assembly Casing 0001 Control unit support 0002 Front panel 0003 Viessmann logo 0004 Fixing clip 2 pce 0005 Contact guard 0006 Diaphragm grommet DN 60 Parts lists Ordering individual parts 577...

Page 106: ...hanger 0007 Condensate hose 0008 O ring 35 4 x 3 6 5 pce 0009 Locking clip condensate hose 0010 Siphon 0011 Condensate hose 0012 Gas supply pipe retaining clip 0013 Cheese head screw M 6 x 16 5 pce 0014 Gas supply pipe 0015 Gasket gas pipe 5 pce 0016 Diaphragm grommet Ø 54 18 0017 Thermal insulation block 0018 Heat exchanger mounting set 0019 MatriX cylinder burner Parts lists Casing cont 5772 980...

Page 107: ...0006 Ionisation electrode wearing part 0007 Gasket burner door flange wearing part 0008 Radial fan 0009 Gas train 0010 Burner door 0011 Ignition unit 0012 Gasket ionisation electrode 5 pce 0013 Gasket ignition electrode 5 pce 0014 Blade terminal 10 pce 0015 Mixture restrictor 0016 Only 13 kW 19 kW Gas nozzle 02 yellow Only 26 kW Gas nozzle 04 grey Only 35 kW Gas nozzle 06 black 0017 Venturi extens...

Page 108: ...8 Air vent valve G 3 8 0009 Heat exchanger connection pipe 0010 Drain hose 10 x 1 5 x 1500 0011 O ring 20 6 x 2 6 5 pce 0012 Diaphragm grommet 0013 Blade terminal retainer 2 pce 0014 Pressure gauge 0015 Heating water return connection elbow 0016 Spring clip DN 25 5 pce 0017 Heating water return connection pipe 0018 Heating water return connection elbow 0019 Quick action air vent valve G 3 8 0020 R...

Page 109: ...1 0010 0001 0002 0011 0016 0007 0005 0011 0004 Fig 78 Aqua plate type B2HA 0001 Circulation pump motor 0002 Linear stepper motor 0003 Return unit 0004 Adaptor for stepper motor 0005 Screw 50 x 14 5 pce 0006 Heating water flow connection pipe 0007 DHW connection pipe 0008 Heating water return connection pipe 0009 Locking pin Ø 18 5 pce Parts lists Hydraulics type B2HA cont 5772 980 GB Service ...

Page 110: ...on pipe 0010 Drain hose 10 x 1 5 x 1500 0011 O ring 20 6 x 2 6 5 pce 0012 Diaphragm grommet 0013 Blade terminal retainer 2 pce 0014 Pressure gauge 0015 Heating water return connection elbow 0016 Hose clip DN 25 0017 Heating water return connection pipe 0018 Heating water return connection elbow 0019 Quick action air vent valve G 3 8 0020 Retaining pin 5 pce 0021 Diaphragm grommet 0022 Gasket plug ...

Page 111: ...per motor 0005 Screw 50 x 14 5 pce 0007 Flow switch 0008 Water volume controller 0009 Temperature sensor 0010 Plate heat exchanger gasket set 0012 Plate heat exchanger 0013 Temperature sensor NTC 0014 Thermal insulation plate heat exchanger 0015 Flow switch connection assembly 0016 Locking pin Ø 18 5 pce 0017 Heating water flow connection pipe 0018 DHW connection pipe 0019 Heating water return con...

Page 112: ...e 0007 Programming unit for weather compensated mode 0008 LON module 0009 PCB adaptor 0010 Cable harness X8 X9 ionisation 0011 Cable harness 100 35 54 PE 0012 Power cable stepper motor 0013 Mating plug set 0014 Cable fixing 0015 Locking bolts left and right 0017 Wireless outside temperature sensor 0018 Outside temperature sensor hardwired 0019 KM BUS cable 145 0020 Internal extension H1 0021 Inter...

Page 113: ...008 0002 Fig 82 Miscellaneous 0001 Spray paint Vitowhite 0002 Touch up paint stick Vitowhite 0003 Special grease 0004 Installation and service instructions 0005 Operating instructions for constant tempera ture mode 0006 Operating instructions for weather compensa ted mode Parts lists Control unit cont 5772 980 GB Service ...

Page 114: ...114 0004 0005 0006 0002 0003 0001 Fig 83 Parts lists Miscellaneous cont 5772 980 GB Service ...

Page 115: ... gas type Carbon dioxide content CO2 For natural gas At lower heating output by vol 7 5 9 5 At upper heating output by vol 7 5 9 5 For LPG At lower heating output by vol 8 8 11 1 At upper heating output by vol 8 8 11 1 Oxygen content O2 At lower heating output by vol 4 0 7 6 At upper heating output by vol 4 0 7 6 Carbon monoxide content CO At lower heating output ppm 1000 At upper heating output p...

Page 116: ...4 5 17 9 4 9 8 3 24 7 4 9 8 3 33 0 Power consumption In the delivered condition W 39 53 68 89 Maximum W 62 65 103 119 Supply values relative to the max load Natural gas E m3 h 1 77 1 89 2 61 3 49 Natural gas LL m3 h 2 06 2 20 3 04 4 06 LPG P kg h 1 31 1 40 1 93 2 58 Product ID CE 0085CN0050 Gas condensing combi boiler type B2KA Rated heating output range 2 at TF TR 50 30 C kW 5 2 8 8 26 5 2 8 8 35...

Page 117: ... e g in the gas contract application or to estimate a supplementary volumetric settings check Due to the factory settings the gas pressure must not be altered from these values Reference 15 C 1013 mbar 101 3 kPa Specification Specification cont 5772 980 GB Service ...

Page 118: ...95 EC 2004 108 EC 2009 142 EC This product meets the requirements of the Efficiency Directive 92 42 EEC for condensing boilers Allendorf 01 June 2012 Viessmann Werke GmbH Co KG Authorised signatory Manfred Sommer Manufacturer s certificate according to the 1st BImSchV Germany We Viessmann Werke GmbH Co KG D 35107 Allendorf confirm that the product Vitodens 200 W complies with the NOx limits specif...

Page 119: ...21 Fill water 21 Flow limiter 33 Flow temperature sensor 84 Flue gas temperature sensor 86 Function descriptions 90 Function sequence 26 Function testing 72 Fuse 87 G Gas supply pressure 26 Gas train 26 Gas type 25 Gas type conversion 25 H Heating circuit allocation 101 Heating curve 39 Heating curve level 40 Heating curve slope 40 Heating program changeover 96 Heat up time 100 I Ignition 31 Ignit...

Page 120: ...re limiter 87 Tightness test balanced flue system 28 V Venting 23 Venting program 98 Vitocom 200 40 Vitotronic 200 H 40 Vitotronic 200 H 89 W Wiring diagram 103 Applicability Serial No 7513683 7513684 7454859 7454860 7454861 7454862 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 351...

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