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29

Checking both gas train valves for tightness (for 115 to 311 kW)

Fig. 27

1.

Close the gas shut-off valve.

2.

Undo the screw in test connector

B

, but do not

remove.

3.

Undo the screw in test connector

A

, but do not

remove.

4.

Connect the pressure tester with manual pump at
test connector

A

.

5.

Using the manual pump, carefully build a test pres-
sure of approx. 50 mbar (5 kPa).

6.

Wait approx. 5 min for the temperature to level out
and then observe the display on the pressure
tester:
The gas train is gas-tight if the displayed pressure
does not drop by more than 1 mbar (0.1 kPa)
within 5 min.
Otherwise there is a leak. In this case, return the
gas train to your local Viessmann sales office for
tests.

7.

After testing, close both test connectors by tighten-
ing the respective screws.

Danger

Escaping gas leads to a risk of explosion.
Check the test connectors for gas tightness.

!

Please note

The use of leak detection spray can result in
faulty operation.
Leak detection spray must not come into
contact with electrical contacts.

Checking the gas train filter element

1.

Unscrew intake flange from the gas train.

2.

Check screen at gas train intake for soiling. If nec-
essary, remove screen and clean carefully with
compressed air.

3.

Reassemble the gas train in reverse order.

4.

Check for gas tightness.

Danger

Escaping gas leads to a risk of explosion.
Check the gas train for gas tightness.

!

Please note

The use of leak detection spray can result in
faulty operation.
Leak detection spray must not come into
contact with electrical contacts.

Commissioning, inspection, maintenance

Checking the gas train valves for tightness

5812086

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Содержание CM2B

Страница 1: ...ors VIESMANN Vitocrossal 200 Type CM2B 87 to 311 kW Gas condensing boiler with MatriX radiant burner Permissible operating pressure 6 bar 0 6 MPa For applicability see the last page VITOCROSSAL 200 5812086 GB en 9 2017 Please keep safe ...

Страница 2: ...ocally applicable standards a ÖNORM EN ÖVGW G K directives 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 ...

Страница 3: ...c distribution board 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 to accumulation of conden sate or other...

Страница 4: ...as burner assembly 87 kW 50 Gas burner assembly 115 142 and 186 kW 52 Gas burner assembly 246 and 311 kW 54 Burner control unit assembly 87 kW 56 Burner control unit assembly 115 142 and 186 kW 58 Burner control unit assembly 246 and 311 kW 60 Miscellaneous assembly 62 7 Component overview Overview of burner components 64 Pressure jet gas burner 87 kW 64 Pressure jet gas burners 115 to 186 kW 64 P...

Страница 5: ...on Not required during inspection Steps required during maintenance Not required during maintenance Intended use The appliance is only intended to be installed and operated in sealed unvented heating systems that comply with EN 12828 with due attention paid to the associated installation service and operating instruc tions as well as the details in the datasheet It is only designed for the heating...

Страница 6: ... 200 type CM2B 87 to 311 kW with permis sible operating pressure 6 bar 0 6 MPa Gas condensing boiler for natural gas E and LL with modulating MatriX radiant burner Information Product information 5812086 Information ...

Страница 7: ... all connections and the sensor well on the heating water side for tightness 21 20 Cleaning the condensate drain pipe system and trap 22 21 Checking the condensate drain and neutralising system if installed 22 22 Checking the burner gauze assembly 23 23 Checking the ignition electrodes and ionisation electrode 23 24 Cleaning the burner 24 25 Fitting the burner 24 26 Closing the boiler door 28 27 C...

Страница 8: ...aintenance steps Page 38 Checking the installation room ventilation air apertures 31 39 Instructing the system user 32 40 Operating and service documents 32 Commissioning inspection maintenance Steps commissioning inspection and cont 5812086 ...

Страница 9: ...t with water There is a risk of flue gas escaping if it is not filled with water prior to commissioning 2 Check that the condensate can drain freely 3 Refit the trap Commissioning the system Danger CO build up as a result of incorrect burner adjustment can have serious health implications Always carry out a CO test before and after work on gas appliances Vitotronic operating instructions and servi...

Страница 10: ...tor outside the installa tion room 07 Turn on system ON OFF switch B at the control unit If Burner fault and A on the display appear and display C flashes on the burner control unit unlock first 1 Press to confirm the fault message on the control unit 2 To do this press reset button D on the burner control unit Note The boiler can enter a fault state during commis sioning if the gas line carries i...

Страница 11: ...th your gas supply utility regarding the gas type and Wobbe index Ws 0 C With the natural gas H E setting the boiler can be operated in the Wobbe index range 12 0 to 16 1 kWh m3 43 2 to 58 0 MJ m3 With the natural gas L LL setting the boiler can be operated in the Wobbe index range 10 0 to 13 1 kWh m3 36 0 to 47 2 MJ m3 not in AT and CH 2 In the delivered condition the burner is set up for natural...

Страница 12: ...g E to flange C Restrictor D is no longer required 08 Secure fitting A 09 Where present for set gas type Affix label Set to F supplied over the existing label 10 Check control cables Correct connection and kink free routing Application and seating of retaining clips 11 Start the burner 12 Check for gas tightness Danger Escaping gas leads to a risk of explosion Check gas routing components for leak...

Страница 13: ...Without restrictor C Without rubber cork gasket D Torque for M 5 nuts 1 5 Nm 09 Secure fitting A with a new gasket 10 Plug control cable G into the gas train 11 Check control cables Correct connection and kink free routing Application and seating of retaining clips 12 Affix supplied label Set to F over the existing label 13 Start the burner 14 Check for gas tightness Danger Escaping gas leads to a...

Страница 14: ...ccessfully 1 will be shown on the display under Service or 0 will appear if it failed 7 Press S to switch to the operating display 8 Press R The system will be restarted Checking static pressure and supply pressure Static pressure Rated heating output 87 kW A Fig 6 Rated heating output 115 to 311 kW A Fig 7 1 Close the gas shut off valve 2 Undo the screw in test connector A but do not remove 3 Con...

Страница 15: ...10 mbar 1 kPa 3 Record the actual value in the report on page 73 4 Close the gas shut off valve 5 Remove pressure gauge Close test connector A Supply pressure flow pressure Action Below 15 mbar 1 5 kPa Do not adjust any settings Notify your gas supply utility 15 to 18 mbar 1 5 to 1 8 kPa Please note the boiler may only be operated temporarily with this setting emergency mode Notify your gas supply...

Страница 16: ...up phase Rotary damper windows B must be almost closed for approx 5 s During this time scale ring D must be at the following settings Rated heating output in kW Rotary damper set ting 246 35 311 35 Checking the CO2 content Preparing the test Status Service S R Fig 9 1 Open the gas shut off valve 2 Start the burner with emissions test mode enabled Test mode in control unit menu Vitotronic operating...

Страница 17: ... at upper heating output minus Lower heat ing output 0 0 3 0 7 0 3 0 7 0 3 0 7 0 4 0 8 0 4 0 8 0 4 0 8 Natural gas L Upper heat ing output 100 8 3 10 0 8 2 9 9 8 2 9 9 8 3 10 0 8 3 10 0 8 3 10 0 Actual value at upper heating output minus Lower heat ing output 0 0 3 0 7 0 3 0 7 0 3 0 7 0 4 0 8 0 4 0 8 0 4 0 8 CO2 test at the upper heating output 87 kW Fig 10 1 Press until the service display has co...

Страница 18: ...e above table Note At the lower heating output the CO2 content must always be lower than at the upper heating output by a given amount See the table above 3 If the CO2 content needs adjusting Undo cover B Turn adjusting screw A in small increments Torx 40 Continue turning until CO2 content rea ches the specified range Turning clockwise CO2 content rises Turning anti clockwise CO2 content falls 4 E...

Страница 19: ...t at the flue pipe For permissible CO2 content see above table Note At the lower heating output the CO2 content must always be lower than at the upper heating output 3 If the CO2 content needs adjusting Undo cover B Turn adjusting screw A in small increments Torx 40 Continue turning until the CO2 content reaches the specified range Turning clockwise CO2 content rises Turning anti clockwise CO2 con...

Страница 20: ... under Service 11 Press S 5 will be displayed under Status 12 Press until 0 is shown under Service 13 Press S The operating display will be shown again Shutting down the system 1 Switch OFF the mains isolator or the power supply and safeguard against unauthorised reconnection Danger Mains voltage can be life threatening For maintenance work isolate the system from the power supply 2 Remove the bur...

Страница 21: ...c chloride free cleaning agents based on phosphoric acid e g Antox 75 E Remove loose deposits from the boiler thoroughly flush the heating surfaces and the flue gas collector with a water jet Cleaning agent manufacturer s instructions Note Fauch 600 and Antox 75 E Manufacturer Hebro Chemie GmbH Rostocker Strasse 40 D 41199 Mönchengladbach Checking the gaskets and thermal insulation sections 1 Chec...

Страница 22: ...t can be obtained from Viessmann by quoting part no 9521702 5 Undo and flush lower section A of trap B 6 Fill lower section A with water and secure 7 Reconnect drain hose for neutralising system C to trap B Route the drain hose without kinks and with a constant fall Checking the condensate drain and neutralising system if installed 1 Fill the combustion chamber with water Note The water must flow ...

Страница 23: ...ed replace burner gauze assembly B together with thermal protection ring C Installation instructions Replacing burner components Checking the ignition electrodes and ionisation electrode Ignition electrodes 7 0 5 3 5 0 5 5 1 Fig 17 Ionisation electrode 1 2 2 Fig 18 Check ignition electrodes and ionisation electrode for correct gap to the burner gauze assembly and for pos sible damage Replace elect...

Страница 24: ... the fan housing and the boiler door is correctly seated 7 Clean the fan housing and impeller carefully with compressed air 8 If required vacuum the inside of burner gauze assembly F Blow out with compressed air if required Fitting the burner 87 kW A B D C E Fig 21 1 Mount fan A Note Ensure the gasket between the fan housing and the boiler door is correctly seated 2 Plug connecting cables 100 and ...

Страница 25: ... free routing Application and seating of retaining clips 7 Tighten fitting C on gas supply pipe D Danger Escaping gas leads to a risk of explosion Check the fitting and gasket between the fan housing and the boiler door for gas tight ness Control cable connection diagrams Pressure jet gas burners 87 kW A D B E C F G a b c d e f g h k Fig 23 A Air pressure switch 2 B Choke valve C Air pressure swit...

Страница 26: ... 490 e 6 35 Hose dimensions 7 mm Length in mm f 4 320 g 6 190 h 6 55 k 6 160 Pressure jet gas burners 115 to 186 kW A B E C G a b c d e f g h D F H Fig 24 A Air pressure switch 2 B Choke valve C Air pressure switch 1 D Gas train E Boiler door F Fan Commissioning inspection maintenance Fitting the burner cont 5812086 ...

Страница 27: ...h in mm e 4 420 f 6 145 g 6 50 h 6 120 Pressure jet gas burners 246 to 311 kW A D E a d e C B b c Fig 25 A Air pressure switch 2 B Air pressure switch 1 C Gas train D Boiler door E Venturi mixing pipe Hose dimensions 7 mm Length in mm a 4 190 b 4 420 c 4 420 Hose dimensions 7 mm Length in mm d 6 145 e 2 5 200 Commissioning inspection maintenance Fitting the burner cont 5812086 ...

Страница 28: ... boiler door can result in poi soning through escaping gas Check the boiler door for flue gas tightness For example with inspection mirror gas sen sor or thermal image camera In the case of leaks tighten crosswise to 30 Nm 3 To ensure that the boiler door closes tightly adjust the clearance between the front panel and hinge bracket to 16 mm 0 5 mm Correct if necessary using the 4 nuts 4 Check flue...

Страница 29: ...ng close both test connectors by tighten ing the respective screws Danger Escaping gas leads to a risk of explosion Check the test connectors for gas tightness Please note The use of leak detection spray can result in faulty operation Leak detection spray must not come into contact with electrical contacts Checking the gas train filter element 1 Unscrew intake flange from the gas train 2 Check scr...

Страница 30: ... the gaskets on the flue gas side 10 Nm 3 A B C Fig 28 1 Check flue gas collector seals A for tightness Note Check seals at full load operation for example using an inspection mirror gas sensor or thermal image camera If required remove the thermal insulation components Traces of condensate on the outside of flue gas collector A also indicate a leak 2 Check lip seal B of the boiler flue connection...

Страница 31: ...sure gauge indi cates 0 or close the cap valve on the expansion vessel and reduce the pressure in the expansion vessel 2 If the expansion vessel pre charge pressure is lower than the static system pressure top up with nitrogen Top up with nitrogen until the pre charge pressure is 0 1 to 0 2 bar 10 to 20 kPa higher 3 Top up with water The charge pressure of the cooled system must be 0 1 to 0 2 bar ...

Страница 32: ...tem instal ler must make the user aware of the required mainte nance work Operating and service documents 1 Complete and detach the customer registration card Hand system users their section for safekeeping Retain the heating contractor s section 2 File all parts lists operating and service instruc tions in the folder and hand this over to the system user Commissioning inspection maintenance Instr...

Страница 33: ...ed heating output in kW Coding card 87 115 142 186 246 311 Settings 02 Burner type 2 2 2 2 2 2 1041 05 Burner curve 0 0 0 0 0 0 08 Maximum burner output in kW 80 5 30 70 25 85 09 Maximum burner output in 100 kW 0 1 1 1 2 2 15 Runtime servomotor mod burner 20 20 20 20 20 20 0A Burner base load 33 33 33 25 33 33 Vitotronic control unit codes Setting the codes at the control unit 5812086 Codes ...

Страница 34: ...ler control unit Control unit installation and service instructions operating instructions Operating display In standard mode the status indicator shows the cur rent operating status The same applies in a fault state after pressing reset button R The following displays are shown automatically If a fault occurs see the fault codes on page onwards You can exit at any time by pressing reset button R ...

Страница 35: ...ormation Menu point Description 1 Permanent meters for start ups and hours run 2 Resettable meters for start ups and hours run 3 Software version 4 Fault history for the last 10 fault codes Example to clear the hours run meter press the fol lowing keys 1 S longer than 2 s flashes 2 until 2 is shown under Service 3 S 1 is displayed under Status 4 Scroll through Status until 6 is shown under Status ...

Страница 36: ...Status 4 until 3 is shown under Service 5 S 3 is shown under Status under Service the ion isation current is shown during operation e g 30 3 0 µA Menu point 6 is used to change the following operating parameters Sub menu point Parameter Units scale 1 Maximum operational output of rated output 0 Reset all operating parameters to their delivered condi tion Example to set the maximum operational outp...

Страница 37: ...ay To call up the service display and for manual operation the burner must be running The service display shows the current modulation level in Press the following keys 1 S simultaneously for longer than 2 s The burner changes to manual mode and a P will be shown under Status The current modulation level will flash under Service 2 for the lower heating output until 0 is shown under Service 3 for t...

Страница 38: ...Servomotor Flue gas damper Ignition Fan Fuel valve BV1 Fault message output 3 Input assessment Output control Subsequent state depends on valve test parameters 1 2 4 5 6 8 U System start Relay test Start up Op mode Shutdown Fault states F 7 C Waiting Fig 31 Description of state Phase Display Description Duration System start A System start 10 s Initialisation of fault meter 0 1 s Mains test gas pr...

Страница 39: ... 10 s Adjusting start up load test WD 1 1 9 s 4 Pre ignition 2 s 5 Ignition safety time 2 3 s Flame detection safety time max 0 51 s Operation 6 Flame stabilising time 15 s 7 Start up partial load 20 s Modulating operation 0 to 24 h Adjust shutdown load 0 1 s Shutdown 8 Reheat test WD 2 min 10 s max 60 s Fan ramp up post purge max 20 s Post purge 10 s Waiting U Waiting for restart 1 min C Waiting ...

Страница 40: ...ut fault without displaying a fault code the fault memory may give an indication of the cause Call up the fault codes 1 S longer than 2 s flashes 2 until 4 is shown under Service 3 S 4 is displayed under Status 4 to scroll through the fault memory display Service Description 1 Fault codes display 2 Detailed fault codes 3 Clear fault memory 5 S the selected fault memory display is shown under Statu...

Страница 41: ...lt state Internal error in feedback from gas safety valves The output relay does not respond Reset burner control unit replace burner control unit F EF Burner control unit in a fault state Internal error in feedback from gas safety valves The output relay does not respond Reset burner control unit replace burner control unit F F3 Ionisation flame monitor re ports faulty flame signal dur ing start ...

Страница 42: ...during operation Flue gas back pressure condensate banked up air pressure switch 1 hose faulty connecting hose leaking Remove flue gas back pressure check if condensate banked up re set burner control unit replace hose F F6 Gas pressure switch reports no gas pressure Gas shut off valve closed gas pressure switch faulty multiple problems with gas supply Open gas shut off valve check gas flow pressu...

Страница 43: ...stem characteristics Cause Measures F E5 F EC F Ed F Fd F FF Fault in burner control unit area Internal system fault and EMC Reset burner control unit Replace the burner control unit if the fault persists F FD Fault in burner control unit area See the following table See the following table Detailed error codes for F FD Detailed er ror code Component signal Cause of fault Measure 30 Reset button P...

Страница 44: ...e fan Check coding card Faults without fault display Fault Cause of fault Action Combustion faults due to pulsation Excessive gas throughput Adjust gas throughput in accordance with the rated boiler heating output Insufficient or too much air Condensate banked up in flue system Check condensate drain Incorrect flue outlet Check flue outlet and flue system Thermo acoustics combus tion noise Incorre...

Страница 45: ... Assembly from this parts list Position number of the individual part within the assembly from this parts list A B C E D Fig 33 A Type plate B Burner assembly C Boiler assembly D Thermal insulation assembly E Miscellaneous assembly Parts lists Overview of assemblies 5812086 Components ...

Страница 46: ...46 0001 0003 0004 0005 Fig 34 Parts lists Boiler assembly 5812086 Components ...

Страница 47: ...47 Pos Part 0001 CM2 flue gas cover with gasket 0003 Stench trap 0004 CM2 hinge bracket 0005 Base frame Parts lists Boiler assembly cont 5812086 Components ...

Страница 48: ...48 0018 0010 0014 0011 0014 0015 0003 0013 0012 0002 0001 0009 0016 0017 0004 0006 0005 0006 0008 0007 0015 Fig 35 Parts lists Thermal insulation assembly 5812086 Components ...

Страница 49: ...anel right 0008 Top panel left 0009 Control unit fascia 0010 Thermal insulation jacket 0011 Thermal insulation mat back 0012 Thermal insulation mat front 0013 Right and left cover panel 0014 Vitocrossal 200 logo 0015 Edge protection 0016 Fixing rail top 0017 Fixing rail bottom 0018 Side panel right front 0019 Fixing parts Parts lists Thermal insulation assembly cont 5812086 Components ...

Страница 50: ... 0006 0003 0017 0009 0006 0003 0002 0004 0005 0022 0031 0019 0021 0009 0002 0027 0030 0016 0028 0013 0014 0015 0020 0008 0007 0009 0017 0012 0010 0011 0006 0018 0003 0001 Fig 36 Parts lists Gas burner assembly 87 kW 5812086 Components ...

Страница 51: ... fan 0013 Venturi mixing pipe 0014 Restrictor natural gas E 0015 Gas train 0016 2 2 way solenoid valve 0017 Fan sealing plate 0018 Packing cord burner gauze assembly 0019 Room sealed operation attachments 0020 Single component adhesive VL 1100 bag 0021 Enriching nozzle Ø 2 mm 0022 Coding card 0027 Hose set control cables 0028 O ring 72 x 2 6 mm 5 pce 0029 Burner hood 0030 Burner hood fastening acc...

Страница 52: ...009 0006 0003 0002 0003 0021 0031 0016 0022 0010 0005 0004 0009 0008 0009 0001 0002 0020 0011 0006 0018 0007 0015 0023 0014 0013 0027 0030 0017 0019 0012 0029 0009 Fig 37 Parts lists Gas burner assembly 115 142 and 186 kW 5812086 Components ...

Страница 53: ...xing pipe 0014 Restrictor natural gas E 0015 Gas train 0016 2 2 way solenoid valve 0017 Fan sealing plate 0018 Packing cord burner gauze assembly 0019 Room sealed operation attachments 0020 Single component adhesive VL 1100 bag 0021 Enriching nozzle 115 142 kW Ø 2 mm 186 kW Ø 1 6 mm 0022 Coding card 0023 O ring 42 x 3 5 mm 5 pce 0027 Hose set control cables 0029 Burner hood 0030 Burner hood fasten...

Страница 54: ...020 0003 0017 0009 0006 0003 0002 0017 0014 0023 0015 0007 0010 0011 0009 0009 0008 0006 0005 0002 0003 0001 0012 0013 0024 0026 0025 0019 0029 0030 0022 0031 0027 0004 0020 Fig 38 Parts lists Gas burner assembly 246 and 311 kW 5812086 Components ...

Страница 55: ... 0013 Venturi mixing pipe 0014 Restrictor natural gas E 0015 Gas train 0017 Fan sealing plate 0018 Packing cord burner gauze assembly 0019 Room sealed operation attachments 0020 Single component adhesive VL 1100 bag 0022 Coding card 0023 O ring 42 x 3 5 mm 5 pce 0024 Servomotor 0025 Rotary damper 0026 Articulated rod 0027 Hose set control cables 0029 Burner hood 0030 Burner hood fastening accessor...

Страница 56: ...56 0017 0006 0016 0014 0012 0007 0005 0004 0003 0002 0001 Fig 39 Parts lists Burner control unit assembly 87 kW 5812086 Components ...

Страница 57: ...sformer connecting cable 54 0006 Connecting cable gas train gas pressure switch 0007 Gas fan connecting cable 0012 Connecting cable control unit programming unit 0014 Connecting cable control unit burner control unit 100 0016 Connecting cable flue gas damper 53 0017 ON OFF switch connection Parts lists Burner control unit assembly 87 kW cont 5812086 Components ...

Страница 58: ...58 0017 0016 0014 0012 0007 0006 0005 0004 0003 0002 0001 Fig 40 Parts lists Burner control unit assembly 115 142 and 186 kW 5812086 Components ...

Страница 59: ... transformer connecting cable 54 0006 Gas train connecting cable 0007 Gas fan connecting cable 0012 Connecting cable control unit programming unit 0014 Connecting cable control unit burner control unit 100 0016 Connecting cable flue gas damper 53 0017 ON OFF switch connection Parts lists Burner control unit assembly 115 142 and 186 cont 5812086 Components ...

Страница 60: ...60 0002 0001 0017 0016 0014 0012 0006 0008 0007 0005 0004 0003 Fig 41 Parts lists Burner control unit assembly 246 and 311 kW 5812086 Components ...

Страница 61: ...necting cable 54 0006 Gas train connecting cable 0007 Gas fan connecting cable 0008 Servomotor connecting cable 0012 Connecting cable control unit programming unit 0014 Connecting cable control unit burner control unit 100 0016 Connecting cable flue gas damper 53 0017 ON OFF switch connection Parts lists Burner control unit assembly 246 and 311 kW cont 5812086 Components ...

Страница 62: ...62 0002 0001 0003 0004 Fig 42 Parts lists Miscellaneous assembly 5812086 Components ...

Страница 63: ...s Part 0001 Touch up spray paint Vitosilver 150 ml can 0002 Touch up paint stick Vitosilver 0003 Installation instructions 0004 Service instructions Parts lists Miscellaneous assembly cont 5812086 Components ...

Страница 64: ...room sealed operation optional O Burner gauze assembly P Ignition electrode R Ionisation electrode S Thermal insulation block T Ignition unit U Burner control unit Pressure jet gas burners 115 to 186 kW F M N P O G G F S D T R E A C D B K H L Fig 44 A Boiler door B Air pressure switch 1 C Fan D Display and programming unit E Gas train F Gas supply pipe G Gas shut off valve H Air pressure switch 2 ...

Страница 65: ...Boiler door B Air pressure switch 1 C Fan D Display and programming unit E Gas train F Gas supply pipe G Gas shut off valve H Air pressure switch 2 K Venturi mixing pipe L Rotary damper with drive M Burner gauze assembly N Ignition electrode O Ionisation electrode P Thermal insulation block R Suppressor choke box S Ignition unit T Burner control unit Component overview Overview of burner component...

Страница 66: ... value in mbar Pa 87 0 5 50 115 1 100 142 186 246 311 Combustion chamber pressure monitoring air pressure switch 2 131A To monitor the combustion chamber pressure the switching threshold of air pressure switch 2 131A is monitored in all operating phases except during safety and stabilising time The air pressure switch triggers a fault shutdown of the burner control unit under the following circums...

Страница 67: ...kW remove screw and attach connecting cable Check for tightness Check control cables Connection and kink free routing Application and seating of retaining clips Function description Air pressure switch cont 5812086 Functions ...

Страница 68: ...it VUC 310 H Fan motor with PWM control and feedback L Air pressure switch 1 M Gas pressure switch 1 N Air pressure switch 2 T Display and programming unit Connection diagrams Burner control unit connection diagram 5812086 Appendix ...

Страница 69: ...rotary damper or 2 2 way solenoid valve E Ignition unit F Fuel valve BV1 U Suppressor choke box F1 Backup fuse F2 Backup fuse F6 High limit safety cut out F7 Temperature controller H1 Hours run meter modulation H2 Fault message S1 ON OFF switch Connection diagrams Burner control unit connection diagram cont 5812086 Appendix ...

Страница 70: ...fill water and the water hardness into the boiler maintenance checklists For systems with a specific system volume greater than 20 l kW heating output apply the requirements of the next higher category of total heating output in accordance with the table In multi boiler systems apply the output of the smallest boiler In the case of severe overshoot 50 l kW soften the water down to a total of alkal...

Страница 71: ...d systems operating at the correct pressure e g systems with expansion ves sel offer good protection against the ingress of air borne oxygen Under all operating conditions and at all points in the heating system including the intake side of the pump the pressure must be higher than atmos pheric pressure Check the pre charge pressure of the expansion vessel at least during the annual service Avoid ...

Страница 72: ...ing Total water volume Date m3 m3 m3 m3 Max fill volume m3 Water quality report Total hardness pH value Water treatment Date Feedwater Boiler water Boiler water Medium Dosing volume The pH value should be between 8 2 and 9 5 Reports Reports 5812086 Appendix ...

Страница 73: ...by vol set by vol At the lower rated heat ing output actual by vol set by vol Oxygen content O2 At the upper rated heat ing output actual by vol set by vol At the lower rated heat ing output actual by vol set by vol Carbon monoxide con tent CO actual ppm set ppm Flue gas temperature gross actual C set C Ionisation current At the upper rated heat ing output μA At the lower rated heat ing output μA ...

Страница 74: ...270 1270 Width mm 660 660 660 760 760 760 Height mm 1178 1178 1178 1277 1277 1277 Overall dimensions Length mm 1766 1766 1766 1791 1791 1791 Width mm 816 816 816 916 916 916 Height mm 1350 1350 1350 1450 1450 1450 Foundation dimensions Length mm 1200 1200 1200 1200 1200 1200 Width mm 800 800 800 800 800 800 Height mm 100 100 100 100 100 100 Weight Total weight Boiler incl burner thermal in sulatio...

Страница 75: ...4 0 3 0 3 Sound pressure level 4 1 m in front of the boiler full load dB A 44 48 51 58 60 61 MatriX radiant burner Rated heat input Upper kW 82 109 134 176 232 293 Lower kW 27 36 45 44 77 98 Burner type CM2B Voltage V 230 230 230 230 230 230 Frequency Hz 50 50 50 50 50 50 Power consumption Upper rated heating output W 75 140 185 270 330 385 Lower rated heating output W 25 40 45 45 50 55 Modulation...

Страница 76: ... to 50 20 to 50 20 to 50 20 to 50 kPa 2 to 5 2 to 5 2 to 5 2 to 5 2 to 5 2 to 5 Gas connection R 1 1 1 1 1 1 Gas restrictor dimensions natural gas E for 87 kW a a Fig 49 Rated heating output Dim a mm 87 kW 10 7 Gas restrictor dimensions natural gas E for 115 to 311 kW a a Fig 50 Rated heating output Dim a mm 115 kW 13 4 142 kW 13 4 186 kW 16 3 246 kW 16 3 311 kW 16 8 Specification Specification co...

Страница 77: ...re 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 Final decommissioning and disposal 5812086 Appendix ...

Страница 78: ...502 2 1 2012 6 EN 61000 3 3 2013 EN 50491 5 2 2010 EN 62233 2008 AC 2008 EN 55014 1 2006 A1 2009 A2 2011 EN 301489 1 V2 1 1 EN 55014 2 2015 EN 301489 17 V2 2 1 EN 60335 1 2012 AC 2014 A11 2014 EN 300328 V2 1 1 EN 60335 2 102 2016 In accordance with the listed directives this product is designated with This product meets the requirements of the Efficiency Directive 92 42 EEC for condensing boilers ...

Страница 79: ...German Immissions Order BImSchV NOx limits in accordance with paragraph 6 1 Flue gas loss up to 9 in accordance with paragraph 10 1 Allendorf 1 August 2017 Viessmann Werke GmbH Co KG Authorised signatory Reiner Jansen Head of Strategic Quality Management Certificates Manufacturer s certificate according to the 1st German Immissions Order BImSchV 5812086 Appendix ...

Страница 80: ... 40 Faults without fault display 44 Final checks performing 30 Flow chart 38 Flow pressure 15 G Gas restrictor 76 Gas type check 11 H Heating surfaces cleaning 21 Heating system Filling with water 9 High limit safety cut out 9 I Ignition electrodes checking 23 Instructing the system user 32 Intended use 5 Internal system faults 43 Ionisation current display 20 Ionisation electrode checking 23 O Op...

Страница 81: ...81 W Water quality Checking 31 Report 72 Requirements 70 Water quality requirements 70 Keyword index Keyword index cont 5812086 ...

Страница 82: ...82 5812086 ...

Страница 83: ...83 5812086 ...

Страница 84: ...ssmann 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 5812086 Subject to technical modifications ...

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