Viessmann MatriX Service Instructions For Contractors
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Viessmann MatriX Service Instructions For Contractors

Viessmann MatriX Service Instructions For Contractors

Pressure-jet gas burner for the vitocrossal 300, type cm3 rated heating output 87 to 142 kw
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VIESMANN
Service instructions
for contractors
MatriX radiant burner
Type VMIII
Pressure-jet gas burner
for the Vitocrossal 300, type CM3
Rated heating output 87 to 142 kW
For applicability, see the last page
MatriX radiant burner
Please keep safe.
5692 921 GB
11/2015

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Summary of Contents for Viessmann MatriX

  • Page 1 VIESMANN Service instructions for contractors MatriX radiant burner Type VMIII Pressure-jet gas burner for the Vitocrossal 300, type CM3 Rated heating output 87 to 142 kW For applicability, see the last page MatriX radiant burner Please keep safe. 5692 921 GB...
  • Page 2 All current safety regulations as defined by DIN, EN, Replace faulty components only with original ■ DVGW, TRGI, TRF, VDE and all locally applicable Viessmann spare parts. standards. ÖNORM, EN, ÖVGW-TR Gas, ÖVGW-TRF and ÖVE SEV, SUVA, SVGW, SVTI, SWKI, VKF and...
  • Page 3 Installing non-authorised components and making non-approved modifications or con- versions can compromise safety and may inva- lidate our warranty. For replacements, use only original spare parts supplied or approved by Viessmann.

  • Page 4: Table Of Contents

    Index Index 1. Information Symbols ....................2. Commissioning, inspec- Steps - commissioning, inspection and maintenance ......tion, maintenance 3. Control unit Adjusting codes at the control unit ............19 4. Air pressure switch ........................ 20 5. Burner control unit Burner control unit VUC 310 ..............21 Display and programming unit ............

  • Page 5: Information Symbols

    Information Symbols Symbol Meaning Reference to other document containing further information Step in a diagram: The numbers correspond to the order in which the steps are carried out. Warning of material losses and environ- mental pollution Live electrical area Pay particular attention. Component must audibly click into place.

  • Page 6: Commissioning, Inspec-Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • • 1. Commissioning the system....................• 2. Checking the gas type....................... • 3. Converting to natural gas LL.................... • 4. Reducing the operational output (if required)..............•...

  • Page 7: Commissioning The System

    Commissioning, inspection, maintenance Commissioning the system Danger Note CO build-up as a result of incorrect burner Checking the burner setting with the boiler heated to adjustment can have serious health implications. operating temperature (min. 40 °C) is essential. Always carry out a CO test before and after Also carry out tests at base load.

  • Page 8: Converting To Natural Gas Ll

    Commissioning, inspection, maintenance Converting to natural gas LL (Not in 01. Close the gas shut-off valve. 02. Switch OFF the system ON/OFF switch on the control unit. 03. Switch OFF the mains isolator (outside the instal- lation room) or isolate the mains power and secure against unintentional reconnection.

  • Page 9: Checking The Static Pressure And Supply Pressure

    Commissioning, inspection, maintenance Reducing the operational output (if required) (cont.) 1. Press S for longer than 2 s. flashes. 2. Press until "6" is shown on display under Service. 3. Press S . "6" is shown on display under Sta- tus.
  • Page 10 Commissioning, inspection, maintenance Checking the static pressure and supply pressure (cont.) Supply pressure 1. Start the burner. Note For commissioning, see page 7. Switch the burner to maximum heating output. For this, activate the emissions test switch at the control unit. 2.

  • Page 11: Checking The Nozzle Pressure

    Commissioning, inspection, maintenance Checking the nozzle pressure Preparing the test 1. Undo the screw in test connector , but do not remove. 2. Connect the pressure tester at test connector 3. Open the gas shut-off valve. 4. Start the burner (see page 7). 5.

  • Page 12: Checking The Co 2 Content

    Commissioning, inspection, maintenance Checking the nozzle pressure (cont.) Nozzle pressure table for natural gas E and LL Note Check that the nozzle pressure table is applicable to the burner. To do so, compare the serial number on the type plate with the serial number on page 44. Gas group Wobbe index Wo Supply pres- Rated heating output...
  • Page 13 Commissioning, inspection, maintenance Checking the CO content (cont.) test at the upper heating output 1. Press until the service display has counted up 3. If the CO content has to be adjusted: to "100" (= 100 %). Turn setting screw "V" (2.5 mm Allen key) until the CO content is within the specified range.

  • Page 14: Checking The Flue Gas Temperature

    Commissioning, inspection, maintenance Checking the flue gas temperature Displaying the ionisation current Note 08. Record the actual value in the report. The ionisation current must be called up via the burner control unit. It is not possible to measure the ionisation 09.

  • Page 15: Checking The Burner Gauze Assembly

    Commissioning, inspection, maintenance Checking the burner gauze assembly 1. Remove the gas supply pipe; to do so, release the control cables and plug from the gas train. Danger Escaping gas leads to a risk of explosion. Close the gas shut-off valve. 2.

  • Page 16: Cleaning The Burner

    Commissioning, inspection, maintenance Cleaning the burner 1. Remove the connecting cables from fan 2. Remove the fan. 3. Clean the fan casing and the impeller. 4. For severe fan contamination (dust, fluff), remove the ignition, ionisation and control cables from the boiler door, then remove air collector casing clean it (using compressed air).

  • Page 17: Checking Both Gas Train Valves For Tightness

    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.

  • Page 18: Operating And Service Documents

    Commissioning, inspection, maintenance 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 instructions in the folder and hand this over to the system user. The installation instructions are no longer required after the installation is complete and therefore do not need to be retained.

  • Page 19: Control Unit Adjusting Codes At The Control Unit

    Vitotronic service instructions Vitotronic 100, type GC1B ■ ■ Vitotronic 200, type GW1B ■ Vitotronic 300, type GW2B In conjunction with the following control units: Coding address Rated heating output of the MatriX radiant burner in kW Coding card 1042...

  • Page 20: Air Pressure Switch

    Air pressure switch Air pressure switch Fan pressure monitoring (LDW1) The static pressure check was unsuccessful after ■ approx. 5 minutes. ■ The air pressure is outside the permissible range during the pre-purge phase (tolerance time approx. 5 minutes). ■ The air pressure switch fails in control mode or the air pressure lies outside the permissible range.

  • Page 21: Burner Control Unit Burner Control Unit Vuc 310

    Burner control unit Burner control unit VUC 310 Display and programming unit A display and programming unit is integrated into the burner control unit. The display screen shows the rele- vant operating status, the service and parameter sta- tus, as well as any fault or error messages. The display comprises four elements of 7 segments Status Service...

  • Page 22: Information Display / Configuration Display

    Burner control unit Burner control unit VUC 310 (cont.) Status Service Status Service Maintenance program, no Forced ventilation if no air pressure flame formation has been detected. Status Service Status Service Maintenance program, no Safety shutdown due to gas pressure or mains un- loss of flame dervoltage Information display / configuration display...

  • Page 23: Reset All Operating Parameters To The Factory Setting

    Burner control unit Burner control unit VUC 310 (cont.) Menu point "5" is used to display the following process information: Sub-menu Process information Units/scale point Phase Boiler water temperature °C °C Flue gas temperature Ionisation current I in 1/10 μ Set speed PWM manipulated variable Actual speed...

  • Page 24: Manual Mode And Service Display

    Burner control unit Burner control unit VUC 310 (cont.) Manual mode and service display 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: /S simultaneously for longer than 2 s.

  • Page 25: Troubleshooting Fault Display

    Troubleshooting Fault display Fault display If the burner control unit switches to a fault state, the 1. Remedy the fault. For fault codes and measures, fault display is automatically activated. The most see from page 25. Carry out measures in the indi- recent fault is then displayed.
  • Page 26 Troubleshooting Fault codes (cont.) Fault code on System characteristics Cause Measures display F b7 Burner control unit in a fault Coding card not inserted Insert coding card; check coding state; system cooling down; in the burner control unit; card, replace if required. burner control unit locked out.
  • Page 27 Troubleshooting Fault codes (cont.) Fault code on System characteristics Cause Measures display F F4 Flame does not form during Incorrect gas type selec- Adjust gas type (see page 7) safety time, no signal repor- ted by ionisation flame moni- tor. F F4 Flame does not form during Gas train does not open.

  • Page 28: Internal System Faults

    Troubleshooting Fault codes (cont.) Fault code on System characteristics Cause Measures display F FA Fan runs without demand; Fan does not reach idle Fan subject to wind influence, burner control unit in a fault state, cable " A" faulty, check flue outlet and fan, replace a-Ö...

  • Page 29: Flow Diagram Burner Control Unit Flow Diagram

    Flow diagram Burner control unit flow diagram Fig. 22 Description of state: Phase Display Description Duration System "A" System start 10 s start Initialisation of fault meter 0.1 s Mains test, gas pressure Fan ramp-up, system start max. 20 s Forced ventilation, system start 20 s...
  • Page 30 Flow diagram Burner control unit flow diagram (cont.) Phase Display Description Duration Relay test "P" Fan ramp-up for test max. 20 s Safety relay test 0.9 s Disable relays BV1 and BV2. 0.9 s Relays test BV1 and BV2 0.9 s Ignition relay test 0.9 s Disable safety relay.

  • Page 31: Parts Lists Ordering Parts

    Parts lists Ordering parts The serial no. must be provided when ordering parts ■ (see type plate Parts not shown Coding card Suppressor choke box (for 115 and 142 kW)

  • Page 32: Parts Lists

    Parts lists Parts lists 030 039 Fig. 23 Type plate...
  • Page 33 Parts lists Parts lists (cont.) Pos. Part Small parts comprising: Threaded connector Quick-release fitting Strain relief Cheese head screw M 6 × Washer B 6.4 mm Hexagon screw Washer Oval head screw A M 4 × Screw EJOT-PT KBL 40 Cheese head screw M 4 ×...
  • Page 34 Parts lists (cont.) Fig. 24...
  • Page 35 Parts lists (cont.) Pos. Part Boiler door Thermal insulation block Gasket pack 20 15 mm × Small parts comprising: Dowel pin Cheese head screw M 6 × Washer 6.4 mm Countersunk screw M 8 × Threaded hose nozzle Gasket OL- ⅛...

  • Page 36: Component Overview

    Component overview Component overview Fig. 25 Air collector casing Ionisation electrode Gas supply pipe Ignition transformer Gas train Air pressure switch 1 Burner control unit 3/2-way solenoid valve Display and programming unit Ignition electrodes Air pressure switch 2 Boiler door Fig.

  • Page 37: Connection Diagrams Burner Control Unit Connection Diagram

    Connection diagrams Burner control unit connection diagram Fig. 27 Burner control unit VUC 310 Gas pressure switch 1 Fan motor with PWM control and feedback Air pressure switch 2 Air pressure switch 1 Display and programming unit...
  • Page 38 Connection diagrams Burner control unit connection diagram (cont.) Fig. 28 Burner control unit VUC 310 F1 Backup fuse Flame monitoring with ionisation current F2 Backup fuse F6 High limit safety cut-out Vitotronic control unit F7 Temperature controller 3/2-way solenoid valve Ignition unit H1 Hours run meter, modulation Fuel valve BV1...

  • Page 39: Report

    Report Report Setting and test values Commissioning Maintenance/service Static pressure mbar Supply pressure (flow pressure) for natural gas E mbar for natural gas LL mbar Tick gas type. Nozzle pressure actual mbar mbar Carbon dioxide content CO at the upper rated heat- actual % by vol.

  • Page 40: Specification

    Specification Specification Rated boiler heating output = 50/30 °C CE designation CE-0085 BL 0403 Burner type VMIII-1 VMIII-2 VMIII-3 Voltage Frequency Power consumption Modulation range 33-100 Dimensions – restrictor and mixing pipe Rated boiler heating output Gas holes in the mixing pipe 8 x 4.0 8 x 5.2 8 x 5.9...

  • Page 41: Final Decommissioning Final Decommissioning And Disposal

    All components must be disposed of correctly. DE: We recommend using the disposal system organ- ised by Viessmann. Operating fluids (e.g. heat transfer medium) can be disposed of at municipal collection points. Viessmann sales offices can provide further information.

  • Page 42: Keyword Index

    Keyword index Keyword index Internal system faults..........28 Air pressure switch.............20 Ionisation current display........... 14 Ionisation electrode, checking........15 Burner – Cleaning..............16 Mixing pipe..............40 – Fitting..............16 Mixing system............40 Burner control unit............21 Burner control unit table..........25 Burner gauze assembly check........15 Nozzle pressure, checking.........
  • Page 44 Applicability Serial No.: 7457192 7457193 7457194 Viessmann Werke GmbH & Co. KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com Fax: +44 1952 675040...

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