Viessmann Vitoligno 300-C Installation And Service Instructions For Contractors
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Viessmann Vitoligno 300-C Installation And Service Instructions For Contractors

Pellet boiler
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VIESMANN
Installation and service instructions
for contractors
Vitoligno 300-C
Type VL3C, 8 and 12 kW
Pellet boiler
For applicability, see the last page
VITOLIGNO 300-C
Please keep safe.
5684 825 GB
9/2015

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  • Page 1 VIESMANN Installation and service instructions for contractors Vitoligno 300-C Type VL3C, 8 and 12 kW Pellet boiler For applicability, see the last page VITOLIGNO 300-C Please keep safe. 5684 825 GB 9/2015...
  • Page 2 For replacements, use only original spare parts Regulations to be observed supplied or approved by Viessmann. ■ National installation regulations Installation room Statutory regulations for the prevention of accidents ■...

  • Page 3: Table Of Contents

    Index Index 1. Information Disposal of packaging ................Symbols ....................Intended use ..................Maintenance and cleaning ..............2. Preparing for installation ........................ 3. Installation sequence Fitting accessories for room sealed operation ........11 Conversion for manual filling ..............14 Fitting the casing panels ................ 15 Routing cables and leads ..............
  • Page 4 Index Index 7. Troubleshooting Fault display ................... 69 Checking and acknowledging faults ........... 69 ■ Calling up acknowledged fault messages .......... 69 ■ Fault displays in plain text ..............69 ■ Calling up fault codes from the fault memory (fault history) ....69 ■...
  • Page 5 Index Index (cont.) 15. Certificates Declaration of conformity ............... 127 16. Keyword index ........................128...

  • Page 6: Information Disposal Of Packaging

    Please dispose of packaging waste in line with statu- DE: Use the disposal system organised by tory regulations. Viessmann. AT: Use the ARA statutory disposal system (Altstoff Recycling Austria AG, licence number 5766). CH: Packaging waste is disposed of by the HVAC contractor.

  • Page 7: Maintenance And Cleaning

    Information Intended use (cont.) Commercial or industrial usage for a purpose other Incorrect usage or operation of the appliance (e.g. the than heating the building or DHW shall be deemed appliance being operated for longer periods when inappropriate. open) is prohibited and will result in an exclusion of lia- bility.

  • Page 8: Preparing For Installation

    Preparing for installation Preparing for installation Clearance dimensions (100) (700) Fig. 1 ■ Minimum room height: 1800 mm ■ Dimensions in brackets: Boiler with casing The specified wall clearances are required for instal- ■ lation and maintenance work. Installation room requirements Installation room requirements: Danger ■...
  • Page 9 Preparing for installation Preparing for installation (cont.) Please note ■ When using transport aids (accessories), 4 peo- The boiler can be damaged during transport with ple can carry the boiler. 4 pipes for screwing into the a sack truck. boiler, see page 10. ■...
  • Page 10 Preparing for installation Preparing for installation (cont.) Fig. 2 Lifting eye Transport aids (4 pipes to screw in, accessories) Screw in transport aids as far as they will go.

  • Page 11: Installation Sequence Fitting Accessories For Room Sealed Operation

    Installation sequence Fitting accessories for room sealed operation Removing the air damper unit Fig. 3 1. Remove the protective panel. 4. Remove the spacer sleeves and sliding plate. Leave the gaskets behind the sliding plate on the 2. Disconnect the plugs on the air damper motors. appliance.
  • Page 12 Installation sequence Fitting accessories for room sealed operation (cont.) Fitting the ventilation air box Fig. 4 Cable entry 1. Open the tensioning toggle on the ventilation air 4. Reconnect the plugs on the air damper motors. box and remove the cover. Push the moulded-on grommets on the cables into apertures in the ventilation air box side wall.
  • Page 13 Installation sequence Fitting accessories for room sealed operation (cont.) 6. Secure the ventilation air hose to the ventilation air box with a hose clip. Fig. 5 Routing with the ventilation air connection at the back Routing with the ventilation air connection at the 1.

  • Page 14: Conversion For Manual Filling

    Installation sequence Conversion for manual filling If the boiler is to be filled manually, fit the pellet sensor to the bottom of the pellet hopper. Fig. 6 1. Undo retaining screw and open the filler cover of the pellet hopper.

  • Page 15: Fitting The Casing Panels

    Installation sequence Conversion for manual filling (cont.) 2. Remove the pellet sensor and close the filler cover 4. Fit the pellet sensor in the supplied sensor panel. again. 5. Fit the sensor panel with the existing gasket. Note ■ For manual filling, do not re-attach retaining 6.
  • Page 16 Installation sequence Fitting the casing panels (cont.) Fig. 7 Edge protector Note Note Edge protector and self-tapping screws ST 4.8 x 9.5 The front panel and the top panels are fitted later. are included in the delivery.

  • Page 17: Routing Cables And Leads

    Installation sequence Routing cables and leads Fig. 8 Please note 4. Route the internal wiring and secure with cable ties. Contact with hot components causes cable damage. Note After installation, cables must not come into con- The cables must not obstruct any later maintenance tact with hot components.

  • Page 18: Overview Of Electrical Connections

    Installation sequence Electrical connection (cont.) Please note 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. Overview of electrical connections Overview of PCBs and connection and wiring diagram from page 117.

  • Page 19: Connecting The Buffer Temperature Sensors

    230 V 1. Check that the power cable to the control unit is fit- Mains connection via the Viessmann control unit or ted with a fuse with a max. rating of C 16 A. Viessmann control unit accessories is not permissible.

  • Page 20: Fitting The Control Unit Cover And Protective Panel

    Installation sequence Electrical connection (cont.) 2. Connect the power cable in the junction box and Colour coding to DIN IEC 60757: the control unit (on-site). Brown Blue Danger GNYE Green/yellow Incorrect core assignment can result in seri- ous injury and damage to the appliance. Take care not to interchange wires "L1"...

  • Page 21: Connections On The Flue Gas Side

    Installation sequence Connections on the flue gas side Note Install a flexible connection piece in the flue pipe to prevent sound transmission from the flue gas fan. Never brick the flue pipe into the chimney. If necessary, provide additional sound insulation on site.

  • Page 22: Connections On The Water Side

    Installation sequence Connections on the water side Fig. 15 Boiler return Rp 1 ½ Boiler flow Rp 1 ½ Safety equipment block connection R 1 (safety ½ connections) Drain Note Note Only connect controlled heating circuits with mixer. Equip boilers with a safety valve that is type-tested to TRD 721 [or local regulations] and is marked accord- Remove the protective caps from the connectors.

  • Page 23: Fitting Further Casing Panels

    Installation sequence Fitting further casing panels For room sealed operation with the ventilation air con- nector at the top of the boiler: ■ Cut out perforated aperture before fitting the back top panel. After fitting the back top panel, fit the ventilation air ■...

  • Page 24: Fitting The Pellet Flap

    Installation sequence Fitting further casing panels (cont.) 3. Secure the top panel with screws. 4. Screw in locations studs and attach the front panel. Note Self-tapping screw ST 4.8 x 9.5 is included in the Note delivery. Location studs can be found in the casing panel packaging.

  • Page 25: Affixing The Type Plate

    Installation sequence Affixing the type plate Affix the type plate to the l.h. casing panel. Fig. 18 Connecting the pellet supply and return air hoses When installing the hoses, note the following: ■ Once installed, the hoses must not be in contact with ■...
  • Page 26 Installation sequence Connecting the pellet supply and return air… (cont.) Fig. 19 Dimension a: approx. 1000 mm Pellet supply hose Return air hose 1. Trim the hoses to the required length. 3. Push hoses with earth wire over the bare metal part Allow an extra 50 mm for connection of the earth of the connectors.

  • Page 27: Commissioning, Inspec-Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • 1. Filling the heating system....................29 • • • 2. Check all connections on the heating water side for tightness • 3. Switching on the power and starting the commissioning sequence......30 •...
  • Page 28 Commissioning, inspection, maintenance Steps - commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • • • 40. Checking the function of the safety valves • • 41. Emissions test........................48 • 42. Instructing the system user....................49...

  • Page 29: Filling The Heating System

    Commissioning, inspection, maintenance Filling the heating system Fill water Please note Unsuitable fill water increases the level of deposits and corrosion and may lead to appli- ance damage. ■ Flush the heating system thoroughly before filling. Only use fill water of potable water quality. ■...

  • Page 30: Switching On The Power And Starting The Commissioning Sequence

    Commissioning, inspection, maintenance Switching on the power and starting the commissioning sequence After switching the power on, a commissioning While making the following inputs, these keys may sequence commences. If it does not start automati- also be pressed: cally, press simultaneously for approx.
  • Page 31 Commissioning, inspection, maintenance Configuring the supply system/charging scheme (cont.) When configuring the supply system, the following are Setting "0" for pellet supply only from the pellet hopper available for selection: of the boiler with manual charging of the pellet hopper (not shown).

  • Page 32: Selecting The Pellet Store Sensor

    Commissioning, inspection, maintenance Configuring the supply system/charging scheme (cont.) Setting "2" for pellet supply via a mole from the pellet storage room and onward transportation via a vacuum supply system: Fig. 23 Setting "4" for pellet supply with suction wands from a pellet store, with automatic changeover unit and onward transportation via a vacuum supply system: Fig.

  • Page 33: Setting The Number Of Buffer Cylinder Temperature Sensors

    Commissioning, inspection, maintenance Setting the number of buffer cylinder temperature sensors Press the following keys: to confirm. for buffer cylinder temperature sensor "No", "3", "4" or "5" The preset is "No". Selecting the type of heating water buffer cylinder If the test point for capturing the system temperature is to confirm.

  • Page 34: Selecting Dhw Circulation

    Commissioning, inspection, maintenance Selecting DHW circulation To specify whether a DHW circulation pump is connec- to confirm. ted, press the following keys: for DHW circulation "Yes/No" Selecting the solar connection Press the following keys: to confirm. for "No": Not installed. for "On the boiler": Connected at internal PCB.

  • Page 35: Checking Outputs (Actuators) And Sensors

    Commissioning, inspection, maintenance Checking outputs (actuators) and sensors The following boiler actuators and sensors can be con- "Heating" ■ trolled: – "Heating circuit 1 - Pump" ■ "General" – "Heating circuit 1 - Open valve" – "Central fault" – "Heating circuit 1 - Close valve" ■...

  • Page 36: Ending Commissioning

    Setting the supply times for fuel supply (with vacuum system) You can individually select specific times during which Vitoligno 300-C operating instructions you do not want fuel to be supplied. Matching the control unit to the heating system...
  • Page 37 Commissioning, inspection, maintenance Adjusting the heating curves (cont.) Slope Outside temperature in °C Fig. 25 Example for outside temperature 14 °C: − Underfloor heating system, slope 0.2 to 0.8 Low temperature heating system, slope 0.8 to 1.6 Heating system with a flow temperature in excess of 75 °C, slope 1.6 to 2.0 Adjusting the set room temperature Individually adjustable for each heating circuit.

  • Page 38: Shutting Down The System

    Commissioning, inspection, maintenance Adjusting the heating curves (cont.) Reduced room temperature Press the following keys: 14°C å for selecting the heating circuit. 3°C to confirm. B -20°C for "Reduced room temperature". to confirm. Fig. 27 Changing the reduced room temperature from 3 to 14 °C for the required value.

  • Page 39: Emptying The Ash Boxes

    Commissioning, inspection, maintenance Emptying the ash boxes Note Danger If the ash box is being emptied without a message Breathing in ash or pellet dust is detrimental to having been displayed on the control unit, reset the health. ash fill level at the control unit: Wear a dust mask to protect your respiratory for "Extended menu"...

  • Page 40: Opening The Boiler For Cleaning

    Commissioning, inspection, maintenance Opening the boiler for cleaning Removing the casing Danger Hot surfaces can lead to dangerous injuries. Only open the boiler after it has cooled down. Fig. 30 1. Open pellet flap 2. Undo 2 pin hinges towards the right. and remove the pellet flap.
  • Page 41 Commissioning, inspection, maintenance Opening the boiler for cleaning (cont.) Fig. 31 1. Undo screw at top panel and remove the top 3. Undo 2 screws and remove side panel panel. 4. Remove front panel 2. Pull back top panel to the front and remove. If the ventilation air connection is mounted on the back top panel, remove the ventilation air connec- tion first.
  • Page 42 Commissioning, inspection, maintenance Opening the boiler for cleaning (cont.) Opening the boiler at the top Fig. 32 1. Remove thermal insulation mat 5. Remove combustion chamber cover . For this, undo the 3 nuts. 2. Disconnect push-fit connections of the Lambda probe and the flue gas fan.

  • Page 43: Overview Of Maintenance And Cleaning Work On The Boiler

    Commissioning, inspection, maintenance Opening the boiler for cleaning (cont.) Opening the boiler at the bottom Fig. 33 1. Remove ash box (see page 39) 4. Remove turbulator brackets . For this, undo screws 2. Remove cover . For this, undo the 4 nuts. Note 3.

  • Page 44: Cleaning The Combustion Chamber, Finned Grate And Flue Gas Collector Chamber

    Commissioning, inspection, maintenance Overview of maintenance and cleaning work on… (cont.) Activity After pellet consumption After pellet consumption of of 4000 kg or at least an- 10,000 kg or at least every nually 3 years Check all gaskets on the covers and replace if nec- essary.

  • Page 45: Cleaning The Secondary Heating Surfaces

    Commissioning, inspection, maintenance Cleaning the secondary heating surfaces Fig. 35 1. Pull out turbulators and clean. First pull out the 2. Clean secondary heating surfaces with a clean- rear turbulators, then use one turbulator to pull out ing brush and vacuum cleaner. the front ones.

  • Page 46: Cleaning The Ash Chamber And The Ash Removal Parts

    Commissioning, inspection, maintenance Cleaning the ash chamber and the ash removal parts Fig. 36 1. Clean ash chambers with a vacuum 2. If necessary, clean the screw conveyors with a cleaner. cleaning brush.

  • Page 47: Cleaning The Intake Grille And The Pellet Sensor In The Pellet Hopper

    Commissioning, inspection, maintenance Cleaning the intake grille and the pellet sensor in the pellet hopper Fig. 37 1. Open cleaning cover . For this, remove the 4 4. Clean pellet sensor with a soft brush and screws. inspect for damage. 2.

  • Page 48: Checking The Expansion Vessel And System Pressure

    Commissioning, inspection, maintenance Checking the expansion vessel and system pressure Note 2. If the pre-charge pressure of the expansion vessel The expansion vessel can lose some of its charge is lower than the static system pressure, top up with pressure over time. When the boiler heats up, the nitrogen until the pre-charge pressure is 0.1 to pressure gauge will indicate a higher pressure of 2 or 0.2 bar (10 to 20 kPa) higher than the static system...
  • Page 49 Commissioning, inspection, maintenance Emissions test (cont.) 4. Carry out emissions test. On the menu point "Test mode": ■ "Information": Display of temperatures, O value, Note etc. The duration of test mode can be set in the "Test ■ "Test duration": Set time and confirm with "OK". mode"...

  • Page 50: Codes Code 1

    Codes Code 1 Call up code 1 Press the following keys: Exit the service menu. ä simultaneously for approx. 4 s. Overview å The "Service" menu appears. The coding addresses are displayed in groups, subject for "Code 1". to system configuration: "General"...
  • Page 51 Codes Code 1 (cont.) Coding in the delivered condition Possible change Feed screw conveyor, maximum cycle 15:... Max. cycle limit of feed screw con- 15:10 Setting range in % veyor in %. Delivered condition for boiler out- 15:100 put: 8 kW: 90 12 kW: 95 18 kW: 75 24 kW: 95...

  • Page 52: Hardware

    Codes Code 1 (cont.) Coding in the delivered condition Possible change External charging, delay 42:5 Delay of external charging, 5 s 42:0 Setting range in s 42:100 Hardware Coding Coding in the delivered condition Possible change Additional boiler Additional boil- No additional boiler installed Additional boil- Additional boiler installed...
  • Page 53 Codes Code 1 (cont.) Coding in the delivered condition Possible change DHW:No No DHW heating installed DHW:On the boil- DHW heating is connected to the control unit of the boiler. DHW:At the mixer DHW heating is connected to the ex- module tension kit.

  • Page 54: Heating

    Codes Code 1 (cont.) Heating Coding Coding in the delivered condition Possible change Remote control A0:0 Available if a remote control is be- A0:1 With Vitotrol 200A. Recognised au- ing connected. tomatically. Without remote control A0:2 With Vitotrol 300A. Recognised au- tomatically.
  • Page 55 Codes Code 1 (cont.) Coding in the delivered condition Possible change Mixer economy function A7:0 Without mixer economy function A7:1 With mixer economy function (exten- ded heating circuit pump logic): Heating circuit pump also "Off": The mixer has been closed for lon- ger than 20 min.

  • Page 56: Boiler

    Codes Code 1 (cont.) Coding in the delivered condition Possible change Flow temperature minimum limit C5:20 Minimum flow temperature limit set C5:1 Adjustable from 1 to 100 °C to 20 °C C5:100 Flow temperature maximum limit C6:75 Maximum flow temperature limit C6:10 Adjustable from 10 to 100 °C set to 75 °C...
  • Page 57 Codes Code 1 (cont.) Coding in the delivered condition Possible change Boiler water temperature limit 0E:90 Max. boiler water temperature 0E:70 Setting range for max. boiler water 90 °C temperature in °C 0E:90 Minimum boiler return 12:55 Minimum boiler return temperature 12:50 Setting range in °C 55 °C...

  • Page 58: Buffer

    Codes Code 1 (cont.) Buffer Coding Coding in the delivered condition Possible change Maximum buffer cylinder temperature 34:85 Max. average temperature of the 34:30 Setting range in °C heating water buffer cylinder, 85 °C (upper limit of control range) 34:100 Minimum buffer cylinder temperature 35:60 Min.

  • Page 59: Solar

    Codes Code 1 (cont.) Solar Coding Coding in the delivered condition Possible change Differential, DHW 6E:10 Differential temperature of 10 K 6E:1 Setting range of differential tempera- between solar and DHW heating to ture in K start DHW heating by the solar 6E:50 thermal system Maximum temperature, DHW...

  • Page 60: Dhw

    Codes Code 1 (cont.) Coding Coding in the delivered condition Possible change DHW differential 0C:0 The differential temperature of 0C:0 Fixed setting of differential tempera- DHW heating (difference between ture from 1 °C to 20 °C system temperature and DHW 0C:20 temperature) is determined auto- matically.

  • Page 61: Code 2

    Codes Code 1 (cont.) Coding in the delivered condition Possible change Start delay D2:10 Start delay of the additional heat D2:0 Adjustable value in min source of 10 min D2:250 Start temperature set system temperature D3:-10 Start temperature of the additional D3:-100 Adjustable value in K heat source.

  • Page 62: General

    Codes Code 2 (cont.) to confirm. "Heating" ■ "Adopted" appears briefly in the display. See page 63 ■ "Boiler" Exit the service menu. See page 64 ä ■ "DHW" Overview See page 67 The coding addresses are displayed in groups, subject to system configuration: ■...

  • Page 63: Heating

    Codes Code 2 (cont.) Coding in the delivered condition Possible change Changeover unit 64:8 The changeover unit has eight 64:1 Setting range: One to eight wands probes. Code only available if a changeover unit is connected. 64:8 Changeover unit, runtime 65:30 Runtime of changeover unit, 65:10...

  • Page 64: Boiler

    Codes Code 2 (cont.) Parameter address Frost protection function / heating cir- Frost protection function / heating circuit "A3" cuit pump "On" pump "Off" 7 °C 5 °C − − − 6 °C 4 °C − − − 5 °C 3 °C −...
  • Page 65 Codes Code 2 (cont.) Coding in the delivered condition Possible change Boiler water temperature, delay 0F:60 Shutdown delay of 60 s when max. 0F:0 Setting range in s boiler water temperature is excee- ded (code 1, address E, Boiler 0F:240 group) Flow controller active 11:0...
  • Page 66 Codes Code 2 (cont.) Coding in the delivered condition Possible change Material controller minimum limit (partial load) 56:... Min. air damper position in % at 56:... Setting range in % for boiler output: partial load 8 kW: 20 to 70 Delivered condition for boiler out- 56:...

  • Page 67: Dhw

    Codes Code 2 (cont.) Coding Coding in the delivered condition Possible change DHW set temperature reheating suppression 67:0 Reheating suppression of external 67:0 DHW set value during active reheat- solar control unit disabled ing suppression of the external solar 67:90 control unit in °C Start hysteresis, DHW 85:0...

  • Page 68: Service Scans Service Functions

    Service scans Service functions The following service functions can be selected: "Code 2", see from page 50 ■ ■ "Diagnosis", see from page 68 ■ "Boiler" ■ "Actuator test", see from page 35 ■ "Fault history" see from page 69 ■...

  • Page 69: Troubleshooting Fault Display

    Troubleshooting Fault display Fault display: A central fault message facility connected to plug gÖ ■ "Fault" is displayed. switched on. ■ The red fault indicator flashes. Checking and acknowledging faults Note to "Acknowledge" all fault messages. If an acknowledged fault is not removed, the fault mes- sage will be re-displayed the following day at 07:00 h: for "Yes"...

  • Page 70: Deleting The Fault Codes From The Fault Memory

    Troubleshooting Fault display (cont.) Deleting the fault codes from the fault memory Press the following keys: for "Delete". simultaneously for approx. 4 s. for "Yes". å The "Service" menu appears. to confirm. for "Fault history". until the default display is shown. ä...
  • Page 71 Troubleshooting Fault display (cont.) Fault code dis- System characteristics Cause Measures played Burner blocked Ash box missing. Check ash box position. Burner blocked Current flue gas fan speed Check flue gas fan. does not match set speed. No control mode at heating Lead break to extension Check connection to extension kit circuit 1 (KM BUS)
  • Page 72 Troubleshooting Fault display (cont.) Fault code dis- System characteristics Cause Measures played No solar yield Lead break, collector tem- Check collector temperature sen- perature sensor sor. No solar yield Lead break, solar refer- Check solar reference sensor. ence sensor No control mode at heating Lead break, flow tempera- Check flow temperature sensor.
  • Page 73 Troubleshooting Fault display (cont.) Fault code dis- System characteristics Cause Measures played Burner blocked Grate did not reach limit Acknowledge fault ■ position If fault occurs again, check grate ■ Clean grate if required ■ Burner blocked Proximity switch in pellet Clean proximity switch.

  • Page 74: Maintenance Fuses

    Maintenance Fuses Installation position, see page 117. ■ 5 A (slow) ■ 250 V 50/60 Hz ■ 10 A (slow) ■ Power cable HKK ■ 250 V 50/60 Hz Power cable KSK ■ ■ 5 A (slow) ■ 250 V 50/60 Hz ■...

  • Page 75: Sensors

    Maintenance High limit safety cut-out (cont.) 3. Close cover 4. Acknowledge excess temperature at the program- on the programming unit. ming unit of the control unit with Sensors Sensor type Pt1000: Curve of the sensor from the extension kit for heating Flow temperature sensor circuit with mixer: ■...

  • Page 76: Lambda Probe

    Maintenance Sensors (cont.) 3. Compare the test result with the actual tempera- ture. Scanning test results, see chapter "Diagno- sis". In the case of severe deviation, check sensor instal- lation and replace the sensor if required. Lambda probe For measuring the residual oxygen content in the flue gas.

  • Page 77: Lambda Probe Specification

    Maintenance Lambda probe (cont.) Lambda probe specification Make NGK, type OZAS-S1 Curve 10 12 16 18 20 22 Flue gas oxygen content O2 in % Fig. 42 Test point: Plug , no. 3 and 4, see page 121 Probe type OZAS-S1 Permiss.

  • Page 78: Mixer Motor, Part No. 7450 657

    Maintenance Extension kit for heating circuit with mixer (cont.) Curve 10 30 50 70 90 110 Temperature in °C Fig. 43 Mixer motor, part no. 7450 657 Checking the rotational direction, mixer for return temperature raising facility Lever position with "Open boiler valve" display at the control unit.
  • Page 79 Maintenance Extension kit for heating circuit with mixer (cont.) 2. At plug 3. Refit the casing cover. , swap the cores at terminals " " and " ". Fig. 45 Specification, extension kit Extension kit installation instructions...
  • Page 80 Maintenance Extension kit for heating circuit with mixer (cont.)

  • Page 81: Parts Lists Overview Of Assemblies

    Parts lists Overview of assemblies The following details are required when ordering parts: ■ Serial no. (see type plate ■ Assembly from this parts list ■ Position number of the individual part within the assembly (from this parts list) Fig. 46 Type plate Return temperature raising facility assembly Thermal insulation assembly...

  • Page 82: Thermal Insulation Assembly

    Parts lists Thermal insulation assembly 0005 0004 0006 0009 0013 0007 0015 0017 0009 0008 0003 0009 0001 0010 0014 0010 0008 0016 0003 0002 0010 0011 0012 Fig. 47...
  • Page 83 Parts lists Thermal insulation assembly (cont.) Pos. Part 0001 Front panel, top 0002 Front panel 0003 Side panel 0004 Back panel 0005 Top panel, back 0006 Top panel 0007 Pellet flap 0008 Hanging rails 0009 Cross beams 0010 Location stud M5 0011 Thermal insulation, small parts 0012...

  • Page 84: Boiler Assembly

    Parts lists Boiler assembly 0002 0004 0003 0005 0001 Fig. 48...
  • Page 85 Parts lists Boiler assembly (cont.) Pos. Part 0001 Ignition and air dampers 0002 Combustion chamber 0003 Drive unit 0004 Cleaning and reversing chamber 0005 Cover...

  • Page 86: Ignition And Air Dampers

    Parts lists Ignition and air dampers 0005 0004 0005 0003 0001 0003 0002 0007 0007 0006 Fig. 49...
  • Page 87 Parts lists Ignition and air dampers (cont.) Pos. Part 0001 Ignition pipe unit 0002 Ignition element 0003 Gasket set, ignition pipe 0004 Air damper unit 0005 Stepper motors 0006 Adjustable foot, M12 x 60 SW17...

  • Page 88: Combustion Chamber

    Parts lists Combustion chamber 0005 0004 0005 0002 0003 0006 0001 0002 0006 Fig. 50...
  • Page 89 Parts lists Combustion chamber (cont.) Pos. Part 0001 Finned grate 0002 Gasket, grate support panel 0003 Universal joint, finned grate 0004 Combustion chamber 0005 Burnout 0006 Spacer bush set...

  • Page 90: Drive Unit

    Parts lists Drive unit 0003 0004 0002 0001 Fig. 51...
  • Page 91 Parts lists Drive unit (cont.) Pos. Part 0001 Drive, boiler cleaning 0002 Drive unit, chain set 0003 Bearing unit, drive 0004 Synchronous motor GMSM130006...

  • Page 92: Cleaning And Reversing Chamber

    Parts lists Cleaning and reversing chamber 0003 0007 0006 0001 0002 0005 0004 0004 Fig. 52...
  • Page 93 Parts lists Cleaning and reversing chamber (cont.) Pos. Part 0001 Turbulator 0002 Set, turbulator rocker 0003 Cleaning brush, D=41 x 100 (180) M10 0004 Reversing chamber lining 0005 Flue ash trough 0006 Flue gas unit 0007 Sensor well, flue gas temperature sensor...

  • Page 94: Cover

    Parts lists Cover 0002 0007 0004 0008 0001 0001 0006 0003 0006 0005 0006 Fig. 53...
  • Page 95 Parts lists Cover (cont.) Pos. Part 0001 Packing cord 0002 Radial fan 0003 Insulation block, combustion chamber cover 0004 Combustion chamber cover sight glass 0005 Ash removal cover 0006 Ash removal cover gasket set 0007 Insulation nipple 0008 Packing cord...

  • Page 96: Pellet Hopper Assembly

    Parts lists Pellet hopper assembly 0001 0003 0007 0002 0004 0006 0005 Fig. 54...
  • Page 97 Parts lists Pellet hopper assembly (cont.) Pos. Part 0001 Profiled seal, type 11 0002 Baffle mat 0003 Spiral hose 50 x 0.8 0004 Suction turbine Y4Z-A44-001 0005 Cover plate, sensor cut-out 0006 Bracket, pellet sensor 0007 Gasket, suction turbine...

  • Page 98: Control Unit Assembly

    Parts lists Control unit assembly 0002 0043 0042 0041 0040 0039 0030 0004 0044 0049 0003 0038 0047 0028 0048 0046 0035 0023 0001 0027 0001 0026 0029 0032 0045 0036 0034 0033 0025 0037 0031 0024 0006 0005 0019 0020 0021 0022...
  • Page 99 Parts lists Control unit assembly (cont.) Pos. Part 0001 Control unit enclosure 0002 Programming unit 0003 Retainer housing 0004 Side section, open 0005 Lambda probe 0006 Lambda probe lead 0007 Power cable, motor, feed 0008 Microswitch, grate position 0009 Microswitch, ash removal 0010 Power cable, drive unit motor 0011...
  • Page 100 Parts lists Control unit assembly (cont.) Pos. Part 0046 PT1000 temperature sensor 0047 Spacers (10 pce) 0048 Richco spacers (4 pce) 0049 Spacer kit...
  • Page 101 Parts lists Control unit assembly...

  • Page 102: Return Temperature Raising Facility Assembly

    Parts lists Return temperature raising facility assembly 0008 0007 0001 0003 0005 0012 0006 0007 0006 0005 0003 0010 0004 0009 0004 0011 Fig. 56...
  • Page 103 Parts lists Return temperature raising facility assembly (cont.) Pos. Part 0001 Return temperature raising facility, cast, fitted 0003 Mixer handle for DN 15-40 0004 Fixing kit, mixer and HC1 0005 O-Ring for mixers 3+4 0006 O-Ring for mixers 3+4 0007 Bypass valve d=22 with O-rings 0008 Gasket set A 32 x 44 x 2 (5 pce)

  • Page 104: Feed Assembly

    Parts lists Feed assembly 0006 0007 0004 0003 0001 0002 0003 0002 0004 0005 0005 0006 0007 0005 0001 0002 0003 0004 0005 0006 0007 Fig. 57...
  • Page 105 Parts lists Feed assembly (cont.) Pos. Part 0001 Charging unit, complete 0002 Screw conveyor unit, feed 0003 Sprocket set, feed 0004 Gasket set, feed 0005 Friction bearings and fixings 0006 Feed motor 0007 Support screw...

  • Page 106: Ash Box Assembly

    Parts lists Ash box assembly 0002 0003 0004 0001 0002 0002 0003 0004 0001 0004 0003 0003 0004 Fig. 58...
  • Page 107 Parts lists Ash box assembly (cont.) Pos. Part 0001 Ash box, complete 0002 Packing cord 0003 Toggle fastener 0004 Tensioning toggle...

  • Page 108: Miscellaneous Assembly

    Parts lists Miscellaneous assembly 0002 0001 0003 0005 0004 Fig. 59...
  • Page 109 Parts lists Miscellaneous assembly (cont.) Pos. Part 0001 Touch-up spray paint, Vitosilver, 150 ml can 0002 Touch-up paint stick, Vitosilver 0003 Spray paint, anthracite 0004 Vitoligno 300-C installation and service instructions 0005 Vitoligno 300-C operating instructions...

  • Page 110: Function Description Display And Operating Elements

    Function description Display and operating elements Display Buffer drawing Boiler Heating Information START STOP Select with Fig. 60 Display of operating phase Cursor keys Start-Stop pushbutton Scroll through the menu or adjust values. Dialogue line Confirm selection or save the setting made. Back key Call up help text in connection with the selected menu point.

  • Page 111: Heating Circuit Control Unit

    Function description Control functions (cont.) Heating circuit control unit Brief description Time program ■ The set flow temperature of each heating circuit is The control unit time switch regulates in accordance determined from the following parameters: with the times programmed in the "Heating" program –...
  • Page 112 Function description Control functions (cont.) Room temperature Heating circuit pump logic (economy mode) In conjunction with the remote control and room tem- The heating circuit pump is switched off (set flow tem- perature hook-up (coding address "B0"): perature set to 0 °C) when the outside temperature Compared to the outside temperature, the room tem- exceeds the value selected via coding address "A5".

  • Page 113: Cylinder Temperature Control

    Function description Control functions (cont.) The temperature limiter switches the heating circuit Setting range: 1 to 127 °C pump off if the set value has been exceeded. The flow Change via coding address "C5". temperature is only slowly reduced in this situation, i.e. Only enabled during operation with standard room it may be several hours before the system restarts temperature.

  • Page 114: Screed Drying

    Function description Control functions (cont.) The circulation pump for cylinder heating stops when The DHW cylinder is hot: the boiler water/buffer cylinder temperature (top sen- ■ Pump run-on: sor) falls below the actual cylinder temperature by the After cylinder heating, the circulation pump runs on differential comprising the values of coding address until one of the following criteria is met when the "0C".

  • Page 115: Vacuum Supply System

    Function description Control functions (cont.) Temperature profile 4, code "F1:4" Days Fig. 66 Temperature profile 5, code "F1:5" Days Fig. 67 Temperature profile 6, code "F1:6" Days Fig. 68 Vacuum supply system A vacuum system transports the pellets from the con- nector of the room discharge or pellet silo into the pel- let hopper on the boiler.

  • Page 116: Pellet Combustion Sequence Chart

    Function description Pellet combustion sequence chart A´ A´ Flue gas Supply motor Ignition element dampers Secondary heating surface cleaning grate cleaning Fig. 69 A' Burner start initiation ra1 Purge speed Purge phase ra2 Ignition speed Ignition phase starts ra3 2nd ignition phase speed Ignition ra4 Stop speed 2nd ignition phase...

  • Page 117: Connection And Wiring Dia

    Connection and wiring diagram Connection and wiring diagram PCB positions PCBs in the control unit wiring chamber Fig. 70 Overview of PCBs ZPK 2.02 HKK 2.01 KSK 2.03 Fig. 71 Fuse F20 Fuse F10 Fuse F30 Battery...
  • Page 118 Connection and wiring diagram Connection and wiring diagram (cont.) PCB ZPK 2.02 Fig. 72 Limit switch, ash removal Reserve Safety limit switch, silo door Performance feedback Fill level, fuel store Limit switch, finned grate Pellet sensor (hopper) Jumper: Parameter setting, output , delivered s;Ö...
  • Page 119 Connection and wiring diagram Connection and wiring diagram (cont.) Fig. 73 Connection to PCB HKK 2.01 Drive motor, pellet changeover unit s-Ö Finned grate Reserve (screw conveyor) Ash removal screw conveyor Discharge screw conveyor (motor) Feed screw conveyor Operating message Suction turbine...
  • Page 120 Connection and wiring diagram Connection and wiring diagram (cont.) PCB HKK 2.01 Fig. 74 Flow temperature sensor, heating circuit 1 Flow temperature sensor, heating circuit 2 Cylinder temperature sensor Heating water temperature sensor Default speed for solar circuit pump d;Ö Jumper, parameter setting, output , factory d;Ö...
  • Page 121 Connection and wiring diagram Connection and wiring diagram (cont.) PCB KSK 2.03 0 ... 20mA 0 ... 20mA 0 ... 20mA 0 ... 20mA Fig. 76 Diagram rotated by 90° Outside temperature sensor B Speed, flue gas fan a-Ö Flow temperature sensor KM BUS Buffer temperature sensors Lambda probe...
  • Page 122 Connection and wiring diagram Connection and wiring diagram (cont.) 250VAC/5A 250VAC/5A Y1Y2 PE Y1Y2 PE Fig. 77 Diagram rotated by 90° Boiler circuit pump High limit safety cut-out and mains isolator aBÖ Power supply 230 V, 50 Hz Low water indicator fÖ...

  • Page 123: Commissioning/Service

    Commissioning/service reports Commissioning/service reports Commissioning Maintenance/service Maintenance/service Date: Maintenance/service Maintenance/service Maintenance/service Date: Maintenance/service Maintenance/service Maintenance/service Date: Maintenance/service Maintenance/service Maintenance/service Date: Maintenance/service Maintenance/service Maintenance/service Date:...

  • Page 124: Specification

    Specification Specification Rated heating output range 2.4 to 8 2.4 to 12 ∼ Rated voltage Rated frequency ∼ Rated current Power consumption (arithmetic mean) Safety category Protection rating to EN 60529, ensure through design/ IP 20 D installation Type of operation to EN 60730-1 Type 1 B Permiss.
  • Page 125 Specification Specification (cont.) Actual flue gas temperature as average gross value per DIN EN 304 at 20 °C combustion air temperature.

  • Page 126: Disposal 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 127 Certificates Declaration of conformity We, Viessmann Werke GmbH & Co KG, D-35107 Allendorf, confirm as sole responsible body that the product Vitoligno 300-C complies with the standard EN 303-5: In accordance with the following Directives, this product is designated with...
  • Page 128 Keyword index Keyword index Fill water..............29 Actuator test............... 35 Floor condition..............8 Additional boiler selection.......... 33 Flow temperature – Maximum limit............56 – Minimum limit............56 Battery................74 Flow temperature control..........112 Boiler water temperature sensor........ 75 Flow temperature sensor........... 77 Buffer temperature sensors........19 Flue gas fan cleaning..........
  • Page 129 Keyword index Keyword index (cont.) Room temperature........... 112 Temperature sensor selection........33 – Reduced..............38 Time, setting...............30 – Set value adjustment..........37 Time program Rotational direction, mixer motor – Central heating............111 – Changing..............78 – DHW heating............113 – Checking..............78 Troubleshooting............69 Turbulator extraction..........
  • Page 132 Applicability Serial no. 7537217 7537381 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 E-mail: info-uk@viessmann.com...

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