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Viessmann B2TB, Installation And Service Instructions For Contractors, Page: 127 / 156

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Viessmann B2TB Installation And Service Instructions For Contractors Download Page 127

127

Pos.

Part

0001

Control unit VBC138-A60.0xx

0002

Casing back panel

0004

Fuse, 6.3 A (slow), 250 V (10 pce)

0005

Fuse holder, 6.3 A (slow)

0006

Vitotronic 100 HC1B

0007

Vitotronic 200 HO2B

0008

LON HO1 communication module

0009

PCB adaptor

0010

Cable harness X8/X9/ion

0011

Cable harness 100/35/54/earth

0012

Cable harness, Molex stepper motor

0013

Mating plug, Neptun

0014

Cable ties (10 pce)

0015

Locking bolts, left and right

0017

Wireless outside temperature sensor

0018

Outside temperature sensor NTC

0019

KM-BUS connecting cable 145

0020

Internal H1 extension

0021

Internal H2 extension

0022

Heating circuit pump connecting cable 20

0023

Power cable 40

Parts lists

Control unit

 (cont.)

5789 302 GB

Components

Summary of Contents for B2TB

Page 1: ...nstructions for contractors VIESMANN Vitodens 222 F Type B2TB 1 8 to 35 0 kW Gas condensing storage combi boiler Natural gas and LPG version For applicability see the last page VITODENS 222 F 5789 302 GB 11 2016 Please keep safe ...

Page 2: ... locally applicable standards a ÖNORM EN ÖVGW TR Gas ÖVGW TRF and ÖVE c SEV SUVA SVGW SVTI SWKI VKF and EKAS guideline 1942 LPG part 2 Safety instructions for working on the system Working on the system Where gas is used as the fuel close the main gas shut off valve and safeguard it against unintentional reopening Isolate the system from the power supply e g by removing the separate fuse or by mea...

Page 3: ...xternal iso lator e g fuse box domestic power distribu tion Danger If water escapes from the appliance there is a risk of scalding Never touch hot heating water Condensate Danger Contact with condensate can be harmful to health Never let condensate touch your skin or eyes and do not swallow it Flue systems and combustion air Ensure that flue systems are clear and cannot be sealed for instance due ...

Page 4: ...0 10 V input 21 External blocking via switching contact 21 Power supply for accessories at plug lH 230 V 22 Power supply fÖ 23 Routing connecting cables 24 Closing the control unit enclosure 25 Fitting the front panels 26 4 Commissioning inspec tion maintenance Steps commissioning inspection and maintenance 27 5 Parameter level 1 Calling up parameter level 1 56 General 56 Boiler 58 DHW 58 Heating ...

Page 5: ...on Control unit 131 Heating mode 131 Heating the DHW loading cylinder from cold 131 Reheating when DHW is drawn off 131 Boosting DHW heating 131 Internal extensions 132 Internal extensions accessories 132 External extensions accessories 134 AM1 extension 134 EA1 extension 135 Control functions 136 External operating program changeover 136 External blocking 137 External demand 137 Venting program 1...

Page 6: ...6 15 Keyword index 152 Index Index cont 5789 302 GB ...

Page 7: ...articular attention Component must audibly click into place or Acoustic signal Fit new component or In conjunction with a tool Clean the sur face Dispose of component correctly Dispose of component at a suitable collec tion point Do not dispose of component in domestic waste The steps in connection with commissioning inspec tion and maintenance are found in the Commission ing inspection and mainte...

Page 8: ... the components in the heating system are modified from their intended use e g if the flue gas and ventilation air paths are sealed Product information Vitodens 222 F type B2TB Gas condensing storage combi boiler with Inox Radial heat exchanger and the following integrated compo nents Modulating MatriX cylinder burner for natural gas and LPG Hydraulics with 3 way diverter valve and variable speed ...

Page 9: ...op or side 100 569 46 40 50 c d e f g h k l m n p a b 140 50 320 361 398 410 80 A C D F E B E F B A D C K G H G Ø 60 5 0 8 Ø 96 0 5 Fig 1 q 50 595 50 600 55 220 330 G C A B F D E Fig 2 A Heating flow R B DHW R C Gas connection R D Cold water R E Heating return R F DHW circulation R separate accessory G Condensate drain facing backwards into the wall H Condensate drain to the side K Wiring area Rat...

Page 10: ...etwork 3 Prepare the condensate connection to the on site drain line or trap Drain towards the back see dimensions for condensate hose M and position G in diagram on page 9 Drain towards the side aperture see position H in diagram on page 9 Note Do not connect the DHW cylinder safety valve to hose L Do not change the position of hose L used for ventilation Route the condensate hose with a U bend C...

Page 11: ...arge pipe outlet point D Shut off valve E Flow regulating valve installation recommended F Pressure gauge connection G Non return valve H Drain outlet K Cold water L Drinking water filter M Pressure reducer to DIN 1988 2 Dec 1988 issue N Non return valve pipe separator O Cold water connection at connection set accesso ries Preparing for installation Preparing for boiler installation cont 5789 302 ...

Page 12: ...12 1 4 2x 3 2 5 Fig 5 Installing the boiler Removing the front panels 5789 302 GB Installation ...

Page 13: ...13 1 2 SW17 Fig 6 Note Position the appliance and accessories so that they are flush with the wall Installing the boiler Siting and levelling the boiler 5789 302 GB Installation ...

Page 14: ...sate hose M to the back drain in wall G or to side aperture H see page 9 Note Pull the condensate hose far enough out of the boiler so that no unnecessary bends are created inside the boiler 2 Route condensate hose M as a U bend and con nect with a constant fall and a pipe vent to the pub lic sewage system or to a neutralising system If necessary connect to an on site trap Ensure this connection i...

Page 15: ...s Connecting several Vitodens to a shared flue sys tem If connecting several Vitodens to a shared flue system install a back draught safety device in each boiler Multiple vertical connections Back draught safety device available as separate accessory Flue gas cascade Back draught safety device in standard delivery for the flue gas cascade accessories Install the back draught safety device Back dra...

Page 16: ...tion agents with unsuitable constit uents e g nitrides sulphides can cause material damage Remove residues of the leak detection agent after testing Please note Excessive test pressure will damage the boiler and the gas train Max test pressure 150 mbar 15 kPa Where higher pressure is required for tight ness tests disconnect the boiler and the gas train from the main supply pipe undo the fit ting 3...

Page 17: ...ote Electronic assemblies can be damaged by elec trostatic discharge Prior to commencing any work touch earthed objects such as heating or water pipes to dis charge static loads Installing the boiler Opening the control unit enclosure 5789 302 GB Installation ...

Page 18: ...ower cable already connected to the control unit is packed in the appliance behind the control unit A LON communication module accessories B Main PCB C Internal extension accessories Installing the boiler Electrical connections cont 5789 302 GB Installation ...

Page 19: ...r Flow temperature sensor for low loss header accessories A Radio clock receiver X14 aVG KM BUS subscriber accessories Vitotrol 200 A or Vitotrol 300 A remote control Vitocom 100 type GSM Mixer extension kit AM1 extension EA1 extension Wireless base station KM BUS distributor X21 CO limiter accessories Information on connecting accessories When connecting accessories observe the sep arate installa...

Page 20: ... connecting cable accessories 1 2 3 Fig 13 Installing the Vitoconnect 100 Vitoconnect 100 installation and commissioning instructions External demand via switching contact Connection options EA1 extension accessory see separate installation instructions Plug lH When the contact is closed burner operation is load dependent The boiler water is heated to the value set in parameter 9b in the General g...

Page 21: ...he DHW group External demand via 0 10 V input Connection at 0 10 V input at EA1 extension Ensure DC separation between the earth conductor and the negative pole of the on site power source U L N L N fÖ S P aBJ Ö 0 10V f A Fig 14 0 to 1 V No specification for set boiler water temperature 1 V Set value 10 C 10 V Set value 100 C External blocking via switching contact Connection options Plug lH EA1 e...

Page 22: ...oup Effect of the function on the circulation pump for cylin der heating if installed Parameter 5E in the DHW group Power supply for accessories at plug lH 230 V Where the boiler is sited in a wet room accessories outside the wet area must not be connected to the power supply at the control unit If the boiler is not sited in a wet room the power supply for accessories can be connected at the contr...

Page 23: ...4 A EA1 extension 2 A Power supply fÖ Danger Incorrectly executed electrical installations can result in injuries from electrical current and in appliance damage Connect the power supply and implement all safety measures e g RCD circuit in accord ance with the following regulations IEC 60364 4 41 VDE regulations Connection requirements specified by your local power supply utility Install an isolat...

Page 24: ... and securing cables leads on site ensure that the maximum permissible tempera ture for these is not exceeded Fig 17 A LV terminals B 230 V terminals C Internal extension D Main PCB E Communication module accessories F Cable grommet for power cable Installing the boiler Electrical connections cont 5789 302 GB Installation ...

Page 25: ...arately into the control unit support Note The programming unit can also be inserted into a wall mounting base accessories near the boiler Wall mounting base installation instructions Installing the boiler Closing the control unit enclosure 5789 302 GB Installation ...

Page 26: ...26 2 2x 4 1 5 3 Fig 19 Installing the boiler Fitting the front panels 5789 302 GB Installation ...

Page 27: ...ng the heating surfaces 43 21 Checking the condensate drain and cleaning the trap 43 22 Installing the burner 45 23 Checking the neutralising system if installed 24 Checking the anode connection and anode earth current with an anode tester 45 25 Draining the boiler on the DHW side 46 26 Cleaning the loading cylinder 47 27 Checking and replacing the magnesium anode if required 47 28 Re assembling a...

Page 28: ... steps Maintenance steps Page 40 Calling up and resetting the Service display 54 41 Fitting the front panels 55 42 Instructing the system user 55 Commissioning inspection maintenance Steps commissioning inspection and cont 5789 302 GB ...

Page 29: ...anufacturer must verify its suitability Fill and top up water with a water hardness in excess of the following values must be soft ened e g with a small softening system for heating water Total permissible hardness of the fill and top up water Total heating output Specific system volume kW 20 l kW 20 l kW to 50 l kW 50 l kW 50 3 0 mol m3 16 8 dH 2 0 mol m3 11 2 dH 0 02 mol m3 0 11 dH 50 to 200 2 0...

Page 30: ...the filling function see next chapter Then switch the control unit OFF again 6 Close boiler drain fill valve A Activating the filling function Tap the following buttons 1 Menu 2 Service 3 Enter viservice password 4 Service functions 5 Filling 6 Activate the filling function with Yes The filling function ends automatically after 20 min or when you tap OK Filling the DHW cylinder on the DHW side Fig...

Page 31: ...e C in the heat ing return and vent flush using mains pressure until no more air noise can be heard 5 First close air vent valve B 6 When the required operating pressure has built up close fill valve C Open the shut off valves on the heating water side 7 Remove the drain hose from air vent valve B and retain Filling the trap with water A B C D Fig 23 1 Disconnect condensate hose A from the trap 2 ...

Page 32: ...ts operating position Venting the heating system A Fig 24 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 Activate venting function see following steps Note For function and sequence of the venting function see page 32 4 Check the system pressure 5 Open the gas shut off valve Act...

Page 33: ...nsor in the flue gas connection Note The burner remains blocked until the test has been passed 6 When the fault has been remedied turn the ON OFF switch off and then back on again Confirm the commissioning assistant with Next Menu point Settings and explanations Language Date and time Control unit Weather compensated Delivered condition Constant The control unit can be switched to constant operati...

Page 34: ...skipped with No 2 After successfully reviewing the safety instruction tap Yes to confirm This starts detection of the connected sensors and the system components connected via KM BUS This process may take some time 3 After detecting the devices tap Next A list of detected system components device list appears on the display 4 Compare the device list with the system compo nents actually connected I...

Page 35: ...issioning steps are marked with a tick White tick commissioning steps without changes Green tick commissioning steps with changes Commissioning steps which have not been completed successfully are marked with X Settings can be made retrospectively via the appropriate parameters Components All detected sensors and KM BUS subscribers are displayed Settings All settings for the individual components ...

Page 36: ...the control unit see to Commissioning the system with the commission ing assistant on page 33 Note Mechanical conversion on the gas train is not pos sible 2 Affix label G31 supplied with the technical docu mentation adjacent to the type plate on the cover panel Checking the static pressure and supply pressure Danger CO formation as a result of incorrect burner adjustment can have serious health im...

Page 37: ... in the table below 09 Shut down the boiler close the gas shut off valve remove the pressure gauge and close test con nector A with the screw 10 Open the gas shut off valve and start the appli ance Danger Gas escaping from the test connector leads to a risk of explosion Check gas tightness at test connector A 11 Fit cover panel Supply pressure flow pressure Steps For natural gas For LPG Below 17 m...

Page 38: ...sation electrode Purge the gas line Yes Burner in operation No Shuts down below the set boiler water temperature and restarts immediately Check the flue system for tightness flue gas recircula tion check the gas flow pressure Yes Automatic calibration of the combustion controller No Fault E3 Ensure adequate heat trans fer Press reset button R Fault Eb Check gap between ionisa tion electrode and bu...

Page 39: ...s can be set for screed dry ing 7 predefined temperature profiles adjustable via parameter F1 see Parameter level 2 Individual temperature profile see following chapter Adjusting the individual temperature profile for screed drying Setting range for set temperature 5 to 60 C Duration of screed program 30 days Tap the following buttons 01 Menu 02 Service 03 Enter viservice password 04 Service funct...

Page 40: ...our system For this it would be suffi cient to check the CO2 or O2 concentration in the com bustion air at the annular gap of the balanced flue pipe If the CO2 concentration is less than 0 2 or the O2 concentration is greater than 20 6 the flue pipe is deemed to be sufficiently gas tight If actual CO2 values are higher or actual O2 values are lower a pressure test with a static pressure of 200 Pa ...

Page 41: ...on 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 Checking the burner gasket and burner gauze assembly Check burner gasket A and burner gauze assembly E for possible damage and replace if required Commissioning inspection maintenance R...

Page 42: ... insulation ring D 3 Undo 2 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 cont 5789 302 GB ...

Page 43: ...e Brushing can cause deposits to become lodged in the gaps between the coils Never use brushes to clean the heat exchanger Note Discolouration on the heat exchanger surface is a nor mal sign of use It has no bearing on the function and service life of the heat exchanger The use of chemical cleaning agents is not required A Fig 32 1 Use a vacuum cleaner to remove combustion resi dues from heating s...

Page 44: ...ff the condensate drain open ing with your thumb 06 Clean the internal pipe and the lute of the trap 07 Fill lute D with water refit it and push on corruga ted hose C 08 Reassemble the trap in reverse order 09 Check that the condensate pipe is connected cor rectly to the trap and heat exchanger Note Route the drain hose without any bends and with a constant fall 10 Fit cover panel and insulating c...

Page 45: ... motor A Ionisation electrode C Gas train B Ignition unit D Earth E Checking the neutralising system if installed Checking the anode connection and anode earth current with an anode tester Check that the earth cable is connected to the magne sium anode Note We recommend checking the magnesium anode func tion annually This function test can be carried out with out interrupting operation by measurin...

Page 46: ...e hose to the drain valve and route it into a suitable container or drain outlet Note Ensure adequate ventilation in the DHW pipework 2 Turn drain valve from lever position A opera tional to lever position B or C as required Lever position B the DHW circuit in the appli ance excluding the DHW cylinder is drained via the cold water connection Lever position C the DHW circuit in the appli ance and D...

Page 47: ...essure cleaner Please note When cleaning the inside only use plastic cleaning utensils 5 Use a chemical cleaning agent to remove hard deposits that cannot be removed with a high pres sure cleaner Please note Never use hydrochloric acid based cleaning agents 6 Thoroughly flush the loading cylinder after clean ing Checking and replacing the magnesium anode if required Check the magnesium anode If it...

Page 48: ...B and tighten eight screws D with a maximum torque of 25 Nm 4 Push earth cable C onto the tab 5 Fit cover E two part design up to 26 kW 6 Fill the loading cylinder with potable water Checking the expansion vessel and system pressure A Fig 39 Commissioning inspection maintenance Re assembling and filling the loading cylinder 5789 302 GB ...

Page 49: ...led system is 0 1 to 0 2 bar 10 to 20 kPa higher than the pre charge pressure of the expan sion vessel Permiss operating pressure 3 bar 0 3 MPa Checking the pre charge pressure and the DHW expansion vessel if instal led A Fig 40 1 Check the static pressure of the DHW line down stream of the pressure reducer and adjust if required Set value max 3 0 bar 0 3 MPa 2 Close the on site shut off valve in ...

Page 50: ...es If the actual CO2 or O2 values lie outside their respec tive ranges proceed as follows Check the balanced flue system for tightness see page 40 Check the ionisation electrode and connecting cable see page 43 Note During commissioning the combustion controller car ries out an automatic calibration Allow approx 30 s after the burner has started before testing the emis sions A Fig 41 1 Connect a f...

Page 51: ...ters see page 56 Adjusting heating curves The heating curves illustrate the relationship between the outside temperature and the boiler water or flow temperature To put it simply the lower the outside temperature the higher the boiler water temperature or flow tempera ture The boiler water or flow temperature in turn affects the room temperature Settings in the delivered condition Slope 1 4 Level ...

Page 52: ...temperature 90 20 26 20 A C D E B Fig 43 Example 1 Adjusting standard set room tem perature 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 Changing the standard set room temperature Operating instructions Reduced set room temperature 20 14 5 90 20 D E A C B Fig 44 Exampl...

Page 53: ... to the LON Note LON communication module available as accessory For installation see separate installation instructions Only for weather compensated control units Example single boiler system with Vitotronic 200 H and Vitocom 200 Set the LON subscriber numbers and further functions via parameter level 2 see the following table Note The same subscriber number must not be allocated twice within the...

Page 54: ... in all con trol units The LON subscriber list in the fault manager must be up to date Tap the following buttons 1 Menu 2 Service 3 Enter viservice password 4 Service functions 5 LON subscriber check The list of all connected LON subscribers appears 6 Select subscriber and confirm with OK The subscriber check for the selected subscriber is initiated If the subscriber check was successful Check OK ...

Page 55: ...he front panels Fitting the cover panel and front panels 2 2x 4 1 5 3 Fig 46 Instructing the system user The system installer should hand the operating instruc tions to the system user and instruct the user in oper ating the system This includes all components installed as accessories e g remote control units In addition the system instal ler must make the user aware of the required mainte nance w...

Page 56: ...is designated Heating circuit 1 and the heating cir cuits with mixer as Heating circuit 2 or Heating circuit 3 If the heating circuits have been designated individu ally the chosen designation appears Tap the following buttons 01 Menu 02 Service 03 Enter viservice password 04 System configuration 05 Parameter level 1 06 Select group 07 Select parameter 08 Change 09 for the required value in line w...

Page 57: ...and one heating cir cuit with mixer M3 heating circuit 3 with DHW heating 00 10 Value is set automatically Function of internal circulation pump for operation with low loss header or heating water buffer cylin der Setting Explanations Low loss header Circulation pump always runs on demand 51 0 Low loss header Circulation pump only runs on demand if the burner is running with run on time 51 1 Heati...

Page 58: ...of hours run before the burner should be serviced is adjustable from 100 to 10 000 h 1 step 100 h Interval until the next service Setting Explanations No time interval 23 0 No time interval selected for service Months 23 1 to 23 24 The number of months until the next service is adjust able from 1 to 24 Service display Setting Explanations No service display 24 0 Service is shown on the display add...

Page 59: ...ng circuit 3 Note Parameter values in bold are factory settings Heating limit Economy function outside temperature Setting Explanations 5 see service instructions A5 5 Economy function outside temperature Heating circuit pump OFF when the outside temperature OT is 1 K higher than the set room temperature RTset OT RTset 1 K Without A5 0 No economy function outside temperature see service instructio...

Page 60: ...ing the set room temperature Only if room hook up is not set in parameter b0 Without A9 0 No economy function outside temperature With calculated pump idle time A9 1 to A9 15 Adjustable from 1 to 15 The higher the value the lon ger the pump idle time Room temperature hook up Setting Explanations Without B0 0 With remote control heating mode reduced mode weather compensated Change value only for th...

Page 61: ...7 Maximum limit adjustable from 10 to 127 C limited by boiler specific parameters External operating program changeover Setting Explanations The operating program changes to Con stant central heating with reduced room temperature or Standby mode subject to the settings of the set reduced room tem perature D5 0 The operating program changes to Con stant operation with standard room temper ature D5 ...

Page 62: ...justable from 1 to 12 h Outside temperature limit for cancelling reduced set room temperature Setting Explanations 5 C F8 5 See chapter Function description Observe parameter A3 C F8 10 to F8 60 Temperature limit adjustable from 10 to 60 C Function disabled F8 61 Outside temperature limit for raising the reduced set room temperature to the standard set room tem perature Setting Explanations 14 C F...

Page 63: ...ow temperature Setting Explanations 60 min FB 60 See parameter FA See chapter Function description min FB 0 to FB 240 Temperature rise adjustable from 0 to 240 min Parameter level 1 Heating circuit 1 heating circuit 2 heating cont 5789 302 GB Parameter ...

Page 64: ... Heating circuit 1 and the heating cir cuits with mixer as Heating circuit 2 or Heating circuit 3 If the heating circuits have been designated individu ally the chosen designation appears Tap the following buttons 01 Menu 02 Service 03 Enter viservice password 04 System configuration 05 Parameter level 2 06 Enter viexpert password 07 Select group 08 Select parameter 09 Change 10 for the required v...

Page 65: ...h mixer M3 heating circuit 3 with DHW heating 00 10 Value is set automatically Burner control unit parameter access rights Setting Explanations No 11 0 Access to combustion control parameters is blocked Yes 11 9 Access to combustion control parameters is open Outside temperature sensor for constant temp control Setting Explanations Only if control unit has been changed to constant tem perature mod...

Page 66: ...ernal circulation pump function Parameter 3F External blocking 3A 3 Internal circulation pump function Parameter 3E External blocking with fault message 3A 4 Internal circulation pump function Parameter 3E External fault message 3A 5 Fault message hook up from external appliances Brief operation DHW circulation pump pushbutton function 3A 6 Adjusting DHW circulation pump runtime Parameter 3d Funct...

Page 67: ...culation pump with signal External blocking Setting Explanations Remains in control mode 3E 0 Is switched off 3E 1 Is switched on 3E 2 Function internal circulation pump with signal External demand Setting Explanations Remains in control mode 3F 0 Switch off internal pump or switch on inter nal pump at VIUPM pump 3F 1 Is switched on 3F 2 Function input 96 Setting Explanations Without 4B 0 Function...

Page 68: ...t auxiliary function automatic recognition 54 3 With solar control module type SM1 with auxiliary function e g central heating back up automatic recognition 54 4 2nd differential temperature control with temperature sensor and aÖ Display correction for outside temperature Setting Explanations K 6E 0 to 6E 49 Display correction 5 K to 0 1 K None 6E 50 K 6E 51 to 6E 100 Display correction 0 1 K to 5...

Page 69: ... heating 7F 1 Fault messaging delay Setting Explanations 80 6 If a fault occurs for at least 30 s a fault message is displayed None 80 0 Immediate fault message x 5 s 80 2 to 80 199 Delay adjustable from 10 s to 995 s 1 step 5 s Automatic summer wintertime changeover Setting Explanations Without automatic summer wintertime changeover 81 0 Time must be changed over manually With automatic summer wi...

Page 70: ...s or slowly high values when the outside temperature changes 1 step 10 min SCOT correction factor flue length Setting Explanations 93 Never adjust Extension OpenTherm Setting Explanations Without 94 0 With 94 1 Automatic recognition Vitocom 100 GSM Setting Explanations Without 95 0 With 95 1 Automatic recognition Minimum burner output Setting Explanations 96 Factory setting according to boiler spe...

Page 71: ...ber monitoring Setting Explanations 20 min 9C 20 If there is no response from a subscriber for 20 min the values specified in the control unit are used Only then will a fault message be issued Min 9C 2 to 9C 60 Adjustable from 2 to 60 min Differential temperature Setting Explanations 8 K 9F 8 The differential temperature is the value by which the common flow temperature should be higher than the h...

Page 72: ...es specified by the boiler coding card Setting range 20 to C Integral threshold for burner switch off Setting Explanations 20 10 20 Only effective if parameter 04 2 has been set 10 5 to 10 255 Adjustable from 5 to 255 The higher the value the later the burner switches off Enable start temperature for cyclical calibration in heating mode Setting Explanations Do not enable 13 0 Enable 13 1 Never adj...

Page 73: ...With 2E 1 Automatic recognition Filling function venting function Setting Explanations Function disabled 2F 0 Venting function enabled 2F 1 Filling function enabled 2F 2 Operating mode internal circulation pump Setting Explanations Not speed controlled 30 0 E g temporarily for service Speed controlled without flow rate captur ing 30 1 Speed controlled with flow rate capturing 30 2 Automatic recogn...

Page 74: ...of parameter GWG5E 57 1 Never adjust Additional function for DHW heating Setting Explanations 0 9 Without auxiliary function for DHW heating 58 0 Set value C 58 10 to 58 60 Entry of a 2nd set DHW temperature Adjustable from 10 to 60 C observe parameter 56 Activate 4th time phase in DHW time program Cylinder heating Set start point Setting Explanations 2 5 K below set value 59 0 K below set value 5...

Page 75: ...ys 2x daily 63 15 Diverter valve Setting Explanations Without 65 0 With 65 Information on the type of diverter valve never adjust specified by the boiler coding card Set speed internal circulation pump for DHW heating Setting Explanations 6C Set speed of internal circulation pump for DHW heat ing specified by boiler coding card 6C 0 to 6C 100 Set speed adjustable from 0 to 100 Limit max heating ou...

Page 76: ...0 A or Vitotrol 200 RF A0 1 Automatic recognition With Vitotrol 300 A Vitotrol 300 RF or Vito comfort 200 A0 2 Automatic recognition Remote control blocking Setting Explanations All possible settings at the remote control can be accessed A1 0 Only comfort mode can be set at the re mote control A1 1 Only for Vitotrol 200 Temperature limits frost protection function Setting Explanations 2 see servic...

Page 77: ...s 5 see service instructions A5 5 Economy function outside temperature Heating circuit pump OFF when the outside temperature OT is 1 K higher than the set room temperature RTset OT RTset 1 K Without A5 0 No economy function outside temperature see service instructions A5 1 to A5 15 With economy function outside temperature Heating circuit pump OFF see the following table Parameter A5 With economy ...

Page 78: ... nal circulation pump With A8 1 Heating circuit with mixer creates a demand for inter nal circulation pump Pump idle time Setting Explanations With calculated pump idle time A9 7 Heating circuit pump OFF if set value is modified by changing the operating mode or changing the set room temperature Only if room hook up is not set in parameter b0 Without A9 0 No economy function outside temperature Wi...

Page 79: ...tual RTset 5 K RTactual RTset 4 K 2 RTactual RTset 4 K RTactual RTset 3 K 3 RTactual RTset 3 K RTactual RTset 2 K 4 RTactual RTset 2 K RTactual RTset 1 K 5 RTactual RTset 1 K RTactual RTset 6 RTactual RTset RTactual RTset 1 K 7 RTactual RTset 1 K RTactual RTset 2 K 8 RTactual RTset 2 K RTactual RTset 3 K Minimum flow temperature limit heating circuit Setting Explanations 20 C C5 20 Electronic mini...

Page 80: ... D6 0 Is switched off D6 1 Subject to parameters 3A 3B and 3C Is switched on D6 2 Subject to parameters 3A 3B and 3C Function of heating circuit pump at External demand signal Setting Explanations Remains in control mode D7 0 Is switched off D7 1 Subject to parameters 3A 3B and 3C Is switched on D7 2 Subject to parameters 3A 3B and 3C EA1 extension Operating program changeover Setting Explanations...

Page 81: ...ing Explanations E6 This value is determined by boiler specific parameters E6 0 to E6 100 Maximum speed adjustable from 0 to 100 Min speed of speed controlled heating circuit pump in standard mode Setting Explanations 30 E7 30 E7 0 to E7 100 Minimum speed adjustable from 0 to 100 of the maximum speed Speed setting in reduced mode Setting Explanations Minimum speed according to parameter E7 E8 0 Re...

Page 82: ...y if control unit has been changed to constant tem perature mode None F5 0 No run on time of the internal circulation pump in heating mode Min F5 1 to F5 20 Run on time of the internal circulation pump in heating mode adjustable from 1 to 20 min Pump start heating circuit pump A1 DHW only Setting Explanations Only if control unit has been changed to constant tem perature mode OFF F6 0 In Only DHW ...

Page 83: ... 10 to 60 C Function disabled F8 61 Outside temperature limit for raising the reduced set room temperature to the standard set room tem perature Setting Explanations 14 C F9 14 See chapter Function description C F9 10 to F9 60 Temperature limit adjustable from 10 to 60 C Raising the set boiler water or flow temperature when switching from operation with reduced room tem perature to operation with ...

Page 84: ...nt valve Max heating output Service level Parameter level 2 Reset all passwords The heating system is reset to the factory state Individual program for screed drying Fig 49 Note Parameter level 2 is only displayed if this level has been enabled Enter viexpert password Tap to return to Service main menu Leaving the service menu Tap the following buttons Exit service Note The system exits the servic...

Page 85: ...lar thermal systems can only be called up if such components are installed in the system For further information on operating data see chapter Brief scan Note If a scanned sensor is faulty appears on the dis play Calling up operating data Tap the following buttons 1 Menu 2 Service 3 Enter viservice password 4 Diagnosis 5 Select required group e g General Resetting operating data Saved operating da...

Page 86: ... table Meaning of the relevant values in the individual rows and fields Row brief scan Field 1 2 3 4 5 6 1 System scheme 01 to 10 Software version Control unit Software version Programming unit 2 0 0 Appliance version Appliance ID CU ID 3 0 0 Number of KM BUS subscrib ers Software version solar control module SM1 4 Software version Burner control unit Type Burner control unit Burner control unit v...

Page 87: ...n remote control Remote con trol 0 Without 1 Vitotrol 200 A 200 RF 2 Vitotrol 300 A 300 RF or Vitocomfort Software ver sion remote control 10 0 0 0 0 0 0 11 0 0 Software ver sion Mixer exten sion heating circuit M2 0 No mixer extension 0 Software ver sion Mixer exten sion heating circuit M3 0 No mixer extension 0 12 Vitovent gateway CU ID Connection error Vitovent 0 Without 1 With xx xx 13 0 0 0 0...

Page 88: ... Heating circuit pump output active extension to heating circuit with mixer Mixer HC3 Open Mixer open output active extension to heating circuit with mixer Mixer HC3 Closed Mixer close output active extension to heating circuit with mixer Output internal H1 extension ON Output at internal extension active Solar circuit pump ON Solar circuit pump output sF on solar control module SM1 active Solar c...

Page 89: ...called up Faults are sorted by date Tap the following buttons 1 Menu 2 Service 3 Enter viservice password 4 Fault history 5 Use to call up further information on the relevant fault 6 If you wish to delete the list tap Delete Note The fault lists are shown separately in conjunction with a ventilation system Vitovent The ventilation system fault codes can be called up as menu points within the stand...

Page 90: ...0 Solar group and parameter 39 General group If required car ry out an actuator test 27 Control mode Display fault in energy cock pit Incorrect commissioning Determine solar circuit flow rate if installed and enter value estab lished 28 Regulates without flow tem perature sensor low loss header Lead break system flow temperature sensor Check low loss header sensor see page 104 If no low loss heade...

Page 91: ...it are correctly connected and work ing properly internal plug 53 96 power interruption 74 Burner blocked or in a fault state Temperature limiter earth fault Check temperature limiter con necting cables and plug in connec tion for connection contact to earthed components Remove con tact if necessary Press reset button R 75 Burner blocked or in a fault state Internal H1 H2 extension earth fault Che...

Page 92: ...osits For example laundry deter gents cleaning agents toiletries deposits in the ventilation air sup ply chimney 83 Burner in a fault state Flame signal is already present at burner start Check system for condensate backup Note To prevent water damage detach fan unit before removing the burn er Check ionisation and ignition elec trode for damage and earth faults e g contact with the thermal insu l...

Page 93: ...limiter set parameter 49 0 A3 Burner blocked Flue gas temperature sen sor incorrectly positioned Fit flue gas temperature sensor correctly see page 106 A7 Control mode as per deliv ered condition Programming unit faulty Replace programming unit A8 Burner blocked The venting program is started automati cally see page 137 Air in the internal circula tion pump or minimum flow rate not achieved Vent t...

Page 94: ...mote control Communication error Vitotrol remote control heating circuit 3 with mix er Check connections lead parame ter A0 and remote control set tings see page 141 For wireless remote control units check connection place remote control close to the boiler BF Control mode Incorrect LON communi cation module Replace LON communication mod ule C1 Control mode Communication error EA1 extension Check ...

Page 95: ... sensor heating circuit 2 and remote control settings see page 141 DF Control mode without room influence Lead break room temper ature sensor heating cir cuit 3 with mixer Check room temperature sensor heating circuit 3 and remote control settings see page 141 E0 Control mode External LON subscriber error Check connections and LON sub scribers E1 Burner in a fault state Ionisation current too high...

Page 96: ...ctrodes indicate foreign bodies in the combustion air Check the installation room and flue system for causes of the de posits For example laundry deter gents cleaning agents toiletries deposits in the ventilation air sup ply chimney If burner gauze assembly and ioni sation electrode have been re placed also clean fan unit gas air channel and Venturi extension E8 Burner in a fault state Ionisation ...

Page 97: ...iner on the inlet side for con tamination Note To prevent water damage detach fan unit before removing the burn er Note Deposits on the electrodes indicate foreign bodies in the combustion air Check the installation room and flue system for causes of the de posits For example laundry deter gents cleaning agents toiletries deposits in the ventilation air sup ply chimney If burner gauze assembly and...

Page 98: ... required Check system for condensate backup Note To prevent water damage detach fan unit before removing the burn er Replace coding card if fault is per manent Note Deposits on the electrodes indicate foreign bodies in the combustion air Check the installation room and flue system for causes of the de posits For example laundry deter gents cleaning agents toiletries deposits in the ventilation ai...

Page 99: ...ug 53 96 power interruption Check the connecting cable to the fan unit Check impeller for ease of operation EC Burner in a fault state Parameter error during calibration Press reset button R or replace boiler coding card and press reset button R ED Burner in a fault state Internal fault at control unit Press reset button R Replace con trol unit if fault is permanent EE Burner in a fault state Flam...

Page 100: ...connecting cables Press reset button R F3 Burner in a fault state Flame signal is already present at burner start Check ionisation electrode and connecting cable Check system for condensate backup Note To prevent water damage detach fan unit before removing the burn er Press reset button R F8 Burner in a fault state Fuel valve or modulation valve will not close Check the gas train and replace if r...

Page 101: ...tional fault B7 is displayed Boiler coding card missing Insert the boiler coding card Press reset button R Replace control unit if fault per sists FF Burner blocked or in a fault state Internal fault or reset but ton R disabled Restart the appliance Replace the control unit if the appliance will not restart Maintenance Please note Residual water will escape when the boiler or one of the following ...

Page 102: ... side A Fig 53 1 Close the shut off valves on the heating water side 2 Route hose at drain valve A into a suitable con tainer or drain outlet 3 Open drain valve A and drain the boiler as much as required Troubleshooting Maintenance cont 5789 302 GB Diagnosis ...

Page 103: ... the resistance of the outside temperature sen sor across terminals X3 1 and X3 2 on the dis connected plug and compare it with the curve 3 Where actual values deviate severely from the curve values disconnect the wires at the sensor and repeat the test on the sensor itself 4 Depending on the result replace the lead or the outside temperature sensor Troubleshooting Maintenance cont 5789 302 GB Dia...

Page 104: ...erature sensor Disconnect plug X3 at the control unit and check the resistance across terminals X3 4 and X3 5 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 Fig 57 Sensor type NTC 10 kΩ 2 Check the sensor resistance and compare it with the curve 3 In the event of severe deviation replace the sensor Danger The boiler water temperature sensor is directly immersed in...

Page 105: ... kΩ 1 Pull leads from outlet temperature sensor A 2 Check sensor resistance and compare it to the curve 3 In the event of severe deviation replace the sensor Danger The outlet temperature sensor is directly immersed in the DHW risk of scalding Drain the DHW side of the boiler before replacing the sensor Troubleshooting Maintenance cont 5789 302 GB Diagnosis ...

Page 106: ...nd remove towards the front 5 Check the connections on the heating water and DHW side for contamination and scaling if required replace the plate heat exchanger 6 Install in reverse order using new gaskets Checking the flue gas temperature sensor The flue gas temperature sensor locks out the boiler if the permissible flue gas temperature is exceeded After the flue system has cooled down press rese...

Page 107: ...lacement of the flue gas temperature sensor If fault message A3 is displayed 1 Check whether the flue gas temperature sensor is correctly inserted See previous diagram 2 Correct the position of the flue gas temperature sensor if required 3 Switch the ON OFF switch OFF 4 Switch the ON OFF switch ON again Re start the commissioning assistant Checking the temperature limiter If the burner control uni...

Page 108: ...new temperature limiter with heat con ducting paste and install it 5 After commissioning press reset button R on the control unit Checking the fuse MCB F1 A Fig 64 1 Switch off the power supply 2 Release the side closures and pivot the control unit down 3 Remove cover A 4 Check fuse F1 see connection and wiring dia gram Troubleshooting Maintenance cont 5789 302 GB Diagnosis ...

Page 109: ...o Open 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 65 1 Remove the upper casing cover of the extension kit Danger An electric shock can be life threateni...

Page 110: ... H accessories 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 54 Troubleshooting Maintenance cont 5789 302 GB Diagnosis ...

Page 111: ...e individual part within the assembly from this parts list A B C D E F G Fig 67 A Type plate B Casing assembly C Heat cell assembly with MatriX cylinder burner D Control unit assembly E Hydraulic assembly with hydraulic block F Loading cylinder assembly G Miscellaneous assembly Parts lists Overview of assemblies 5789 302 GB Components ...

Page 112: ...112 0004 0005 0003 0001 0003 0002 0005 0005 0009 0007 0003 0014 0008 0001 0011 0012 0013 0006 0010 0015 Fig 68 Parts lists Casing 5789 302 GB Components ...

Page 113: ...4 pce 0005 Profiled seal 15 l 520 0006 Top panel 0007 Mounting bracket for DHW cylinder 0008 Control unit support 0009 Cover panel with gaskets 0010 Top panel insert 0011 Front panel top 0012 Side panel right 0013 Side panel left 0014 Front panel bottom 0015 Cable holder Parts lists Casing cont 5789 302 GB Components ...

Page 114: ...3 0007 0030 0008 0033 0042 0033 0027 0007 0034 0034 0007 0004 0010 0003 0005 0040 0015 0007 0045 0011 0007 0013 0047 0013 0049 0034 0006 0001 0002 0002 0022 0016 0010 0020 0043 0046 0041 0031 0050 0026 0050 0012 0012 0025 0008 0048 0019 0008 0024 0017 0034 0034 0034 0007 0007 0051 0006 0028 0008 0032 0033 0042 0033 0044 0009 0038 0038 0039 0050 0036 0018 0052 0008 0050 0007 0034 0035 Fig 69 Parts ...

Page 115: ... Diaphragm expansion vessel 12 l 0023 Connection pipe expansion vessel G3 8 0024 Right angle shut off valve DHW cylinder heating 0025 Connection line DHW heating 0026 RV cartridge non return valve OV 20 DN 20 0027 Connection pipe DHW 0028 Connection pipe cold water cylinder 100 l 0029 Connection pipe cold water 0030 Connection pipe heating flow 0031 Cold water connection 0032 Right angle shut off ...

Page 116: ...047 Safety valve 3 bar 0048 Fascia 7 5 0 0049 Connection pipe heating flow WZ heat generator 0050 Gasket set A 23 x 30 x 2 5 pce 0051 Wire fuse 5 pce 0052 Circulation pump UPM3 15 75 KM Parts lists Hydraulics cont 5789 302 GB Components ...

Page 117: ...117 Parts lists Hydraulics 5789 302 GB Components ...

Page 118: ...5 0005 0003 0003 0003 0002 0003 0016 0016 0004 0003 0004 0002 0005 0003 0003 0012 0004 0006 0011 0002 0009 0001 0007 0010 0015 0008 0003 0013 0013 0013 0008 0014 Fig 70 Parts lists Hydraulic block 5789 302 GB Components ...

Page 119: ...5 pce 0005 Profile gasket 4 pce 0006 Overflow valve HDS 20 230 0007 Clip 7 8 5 pce 0008 Clip 7 10 5 pce 0009 Clip 7 18 5 pce 0010 Flow unit 0011 Return unit 0012 Overflow line 0013 Plug 7 8 7 10 0014 Hydraulic retaining bracket 0015 Plate heat exchanger CB10 14A 0016 Valve insert Parts lists Hydraulic block cont 5789 302 GB Components ...

Page 120: ...120 0002 0010 0004 0001 0003 0004 0005 0009 0006 0007 0008 0007 Fig 71 Parts lists Loading cylinder 5789 302 GB Components ...

Page 121: ... relief 0003 Magnesium anode 0004 Gasket 0005 Flange with gasket 0006 Cover 0007 Gasket 23 x 30 x 2 5 pce 0008 Sleeve 0009 Flange insulation 0010 Cylinder temperature sensor NTC 10kΩ Parts lists Loading cylinder cont 5789 302 GB Components ...

Page 122: ...0009 0008 0009 0011 0017 0005 0005 0025 0017 0006 0005 0011 0004 0004 0002 0021 0023 0015 0016 0007 0014 0011 0011 0018 0022 0024 0020 0011 0013 0010 0019 0011 0019 0006 0026 0016 0015 0002 0003 Fig 72 Parts lists Heat cell 5789 302 GB Components ...

Page 123: ...Condensate receiver 0011 Spring clip DN 25 5 pce 0012 Condensate hose 0013 Hose 19 x 600 corrugated 0014 Profile hose heating return 0015 Flue gasket single 0016 Thermal insulation block 0017 Diaphragm grommet 5 pce 0018 Corrugated hose 19 x 290 0019 Pipe clip 7 18 1 5 0020 Hose 19 x 500 corrugated 0021 O rings 5 pce 25 7 x 3 5 0022 Trap 0023 Connection elbow heating return 0024 Condensate hose 00...

Page 124: ... 0018 0009 0017 0007 0017 0011 0012 0012 0011 0007 0004 0001 0004 0016 0016 0017 0015 0014 0013 0012 0011 0010 0008 0007 0006 0005 0004 0003 0002 0001 Fig 73 Parts lists MatriX cylinder burner 5789 302 GB Components ...

Page 125: ...wearing part 0007 Gasket burner door flange 0008 Radial fan iNR77 0009 Burner door 0010 Ignition unit 0011 Gasket ionisation electrode 5 pce 0012 Gasket ignition electrode 5 pce 0013 Blade terminal 10 pce 0014 Mixture restrictor 0015 Venturi extension 0016 Mounting plate thermal insulation ring 2 pce 0017 Gasket DN 50 0018 Fixing screws Parts lists MatriX cylinder burner cont 5789 302 GB Component...

Page 126: ...126 0015 0015 0004 0005 0014 0020 0021 0003 0009 0008 0006 0007 0001 0017 0018 0023 0022 0019 0012 0011 0010 0002 0009 0005 0015 0013 Fig 74 Parts lists Control unit 5789 302 GB Components ...

Page 127: ...ss X8 X9 ion 0011 Cable harness 100 35 54 earth 0012 Cable harness Molex stepper motor 0013 Mating plug Neptun 0014 Cable ties 10 pce 0015 Locking bolts left and right 0017 Wireless outside temperature sensor 0018 Outside temperature sensor NTC 0019 KM BUS connecting cable 145 0020 Internal H1 extension 0021 Internal H2 extension 0022 Heating circuit pump connecting cable 20 0023 Power cable 40 Pa...

Page 128: ...128 0008 0009 0004 0005 0006 0003 0002 0001 0007 Fig 75 Parts lists Miscellaneous 5789 302 GB Components ...

Page 129: ...0005 Operating instructions for weather compensated mode 0006 Operating instructions for weather compensated operation with touchscreen 0007 Installation and service instructions with HC1B 0008 Installation and service instructions with HO1B 0009 Installation and service instructions with HO2B Parts lists Miscellaneous cont 5789 302 GB Components ...

Page 130: ...130 Please affix accessory labels with part numbers here Please state the relevant part no when ordering indi vidual parts Parts lists Ordering individual parts for accessories 5789 302 GB Components ...

Page 131: ...temper ature has been reached at the cylinder temperature sensor After loading has stopped the cylinder loading pump and the 3 way diverter valve remain on for a further 30 s Reheating when DHW is drawn off When DHW is drawn off cold water enters the lower section of the loading cylinder The heating circuit pump is switched ON and the 3 way diverter valve is changed over if the cylinder tem peratu...

Page 132: ...General group Central fault message parameter 53 0 DHW circulation pump parameter 53 1 only for weather compensated operation Connect DHW circulation pumps with standalone functions directly to the 230 V supply Heating circuit pump for heating circuit without mixer parameter 53 2 Circulation pump for cylinder heating parameter 53 3 An external safety valve can be connected to connec tion gD Functi...

Page 133: ...message parameter 53 0 DHW circulation pump parameter 53 1 only for weather compensated operation Connect DHW circulation pumps with standalone functions directly to the 230 V supply Heating circuit pump for heating circuit without mixer parameter 53 2 Circulation pump for cylinder heating parameter 53 3 An extractor fan can be switched off via connection aBJ when the burner starts Function descri...

Page 134: ... pump for cylinder heating DHW circulation pump Connect DHW circulation pumps with standalone functions directly to the 230 V supply Select the output functions via parameters at the boiler control unit Function assignment Function Parameter 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...

Page 135: ...nection adhere to the requirements of protec tion class II 8 0 mm air and creep paths and 2 0 mm insulation thickness against live components Input function assignment Select the input functions via the parameters in the General group at the boiler control unit DE1 Parameter 3A DE2 Parameter 3b DE3 Parameter 3C Assigning the operating program changeover function to the heating circuits Select the ...

Page 136: ... value 10 C 10 V Set value 100 C Ensure DC separation between the earth conductor and the negative pole of the on site power source Output aBJ The following functions can be connected to output aBJ Feed pump to substation or DHW circulation pump or Fault message facility Information on the feed pump Function only possible in conjunction with a heating circuit control unit connected via LON Informa...

Page 137: ...4 The effect on the internal circulation pump is selected in parameter 3E in the General group The effect on the relevant heating circuit pump is selected in parameter d6 in the Heating circuit group External demand The External demand function is implemented via the EA1 extension There are 3 inputs available at the EA1 extension DE1 to DE3 The function is selected via the following parameters in ...

Page 138: ... Note Temperature profile 6 ends after 21 days Observe EN 1264 The report to be provided by the heating contractor must contain the following details regarding heat up Heat up data with respective flow temperatures Max flow temperature achieved Operating state and outside temperature during handover Different temperature profiles can be set via parameter F1 in the Heating circuit group The functio...

Page 139: ...erature profile can be set for screed drying See Commissioning inspection and mainte nance Raising the reduced room temperature During operation at reduced room temperature the reduced set room temperature can be automatically raised subject to the outside temperature The temper ature is raised in accordance with the selected heating curve and no higher than the set standard room tem perature The ...

Page 140: ...ure Reducing the heat up time During the transition from operation with reduced room temperature to operation with standard room tempera ture 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 for the additional raising of the set boiler water temperature or set...

Page 141: ...onfigured during remote control commissioning Remote control affects the following heating circuit Configuration Vitotrol 200 A Vitotrol 300 A Vitotrol 200 RF Vitotrol 300 RF Heating circuit without mixer A1 H 1 Heating circuit 1 Heating circuit with mixer M2 H 2 Heating circuit 2 Heating circuit with mixer M3 H 3 Heating circuit 3 Note One heating circuit can be assigned to the Vitotrol 200 A and...

Page 142: ...tion cur rent and the air ratio λ The maximum ionisation cur rent is achieved at an air ratio of 1 for all gas qualities The ionisation signal is evaluated by the combustion controller and the air ratio is adjusted to a value between λ 1 24 and 1 44 This range provides for an optimum combustion quality Thereafter the electronic gas valve regulates the required gas volume subject to the prevailing ...

Page 143: ... For this the combus tion is briefly regulated to max ionisation current cor responding to air ratio λ 1 Automatic calibration is carried out shortly after the burner start and lasts approx 5 s During calibration higher than normal CO emissions may occur briefly Function description Electronic combustion control unit cont 5789 302 GB Functions ...

Page 144: ... 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 ÖA Fan motor control dG Gas solenoid valve Connection and wiring diagram Connection and wiring diagram internal connections 5789 302 GB Appendix ...

Page 145: ...ture sensor low loss header Cylinder temperature sensor plug on cable har ness sÖ Internal circulation pump sA Cylinder loading pump sK DHW circulation pump connect DHW circula tion pumps with standalone functions directly to the 230 V supply dG Gas solenoid valve fÖ Power supply gD External safety solenoid valve lH Power supply for accessories and Vitotrol 100 a Ö Fan motor a ÖA Fan motor control...

Page 146: ...146 aVG KM BUS CO CO limiter Connection and wiring diagram Connection and wiring diagram external cont 5789 302 GB Appendix ...

Page 147: ... 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 ppm 1...

Page 148: ...etting fixed C 100 Weight kg 105 105 148 163 Supply values relative to the max load Natural gas E m3 h 1 89 1 89 3 23 3 69 Natural gas LL m3 h 2 20 2 20 3 75 4 30 LPG P kg h 1 40 1 40 2 38 2 73 Permissible ambient temperature During operation C 0 to 40 During storage and trans port C 20 to 65 IP rating IP X 4 to EN 60529 Protection class I Product ID CE 0085CN0050 Note The supply values are only f...

Page 149: ... system are not part of ordi nary household waste For decommissioning the system isolate the system from the power supply and allow components to cool down where appropriate All components must be disposed of correctly Final decommissioning and disposal 5789 302 GB Appendix ...

Page 150: ... 813 2013 EU Regulation Energy Efficiency Requirements Applied standards DIN 4753 2011 11 EN 806 2001 EN 12897 2006 EN 15502 1 2012 A1 2015 EN 15502 2 1 2012 EN 15502 2 2 2014 EN 55014 1 2006 A1 2009 A2 2011 EN 55014 2 2015 EN 60335 1 2012 AC 2014 EN 60335 2 102 2006 A1 2010 EN 61000 3 2 2014 EN 61000 3 3 2013 EN 62233 2008 Corr 1 2008 11 In accordance with the listed directives this product is de...

Page 151: ...odens 222 F type B2TB complies with the NOx limits specified by the 1st BImSchV Paragraph 6 Germany Allendorf 1 May 2016 Viessmann Werke GmbH Co KG Authorised signatory Manfred Sommer Certificates Manufacturer s certificate according to the 1st BImSchV Germany 5789 302 GB Appendix ...

Page 152: ...ater 29 Flow temperature sensor 104 Flue gas temperature sensor 106 Function descriptions 131 Function sequence 38 Function testing 87 Fuse MCB 108 G Gas supply pressure 37 Gas train 37 Gas type 35 Gas type conversion 36 H Heating circuit assignment 141 Heating curve 51 Heating curve level 52 Heating curve slope 52 Heating output setting 39 Heating surfaces cleaning 43 45 Heat up time 140 Hydronic...

Page 153: ...84 Set room temperature adjustment 52 Specification 148 Standard set room temperature 52 Static pressure 37 Supply pressure 36 System filling 30 System pressure 30 System schemes 51 T Temperature limiter 107 Tightness test balanced flue system 40 V Venting 31 Venting program 137 Vitocom 100 PIN code entry 142 Vitotronic 200 H 110 W Wiring diagram 144 Keyword index Keyword index cont 5789 302 GB ...

Page 154: ...154 5789 302 GB ...

Page 155: ...155 5789 302 GB ...

Page 156: ...15 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 5789 302 GB Subject to technical modifications ...

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