Viessmann VITODENS 300 Datasheet
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Viessmann VITODENS 300 Datasheet

Gas fired condensing boiler 4.5 to 66.0kw as multi−boiler system up to 264kw
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See also: Instruction and Installation Manual , Installation Manual
Gas fired condensing boiler
4.5 to 66.0 kW
as multi−boiler system up to 264 kW
Datasheet
Part nos. and prices: see price list
Vitodens 300
Type WB3A
Gas fired wall mounted condensing boiler,
with modulating MatriX−compact gas burner,
for open or balanced flue operation
For natural gas and LPG
5822 304 GB
5/2004

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Summary of Contents for Viessmann VITODENS 300

  • Page 1 VITODENS 300 Gas fired condensing boiler 4.5 to 66.0 kW as multi−boiler system up to 264 kW Datasheet Part nos. and prices: see price list Vitodens 300 Type WB3A Gas fired wall mounted condensing boiler, with modulating MatriX−compact gas burner,...

  • Page 2: Product Information

    This constantly High DHW convenience as a result of its H Vitodens 300 with 4.5 to 12.0 kW adapts to changing conditions, for integrated DHW Quick−System and example weather changes. And that comfort control i.e.
  • Page 3 Integral, variable speed heating circuit pump Standby plate heat exchanger (for combi boilers) Gas and water connections Digital boiler control unit Vitodens 300 12 to 35 kW VITODENS 300...
  • Page 4 Vitodens 300 Specification Gas fired boiler, series B and C, Gas fired boiler Gas fired Category I (natural gas version) combination boiler 2ELL Category II (LPG version) 2ELL 3P Rated output range = 50/30 ºC *2, *3 4.5 12.0/16.0 6.6 26.0 8.7 35.0...
  • Page 5 The flue gas temperature at a return temperature of 60 ºC is used to determine the application range of flue pipes with maximum permissible operating temperatures. " For the specification of DHW cylinders and Viessmann system design components, see separate datasheets. VITODENS 300...
  • Page 6 Vitodens 300 Vitodens 300, 12.0 to 35.0 kW Installation on finished walls Installation on unfinished walls SVL/ SVL/ SRL/ SRL/ HV GA HR HV GA HR (length) 480 (width) 480 (width) OKFF OKFF Finished wall Obligatory in conjunction with DHW cylinders installed below the boiler. Otherwise, recommendation only.
  • Page 7 Vitodens 300 Vitodens 300 from 49 kW 550 (length) 600 (width) OKFF Key to symbols Multi−boiler systems ADG Expansion vessel (G 1") For details regarding multi−boiler ATR Drain funnel connection systems, see Vitodens Technical Guide Gas connection and price list.
  • Page 8 Specification circulation pumps and heads Specification circulation pumps and heads Vitodens 300, 4.5 to 12.0 kW on request Variable speed heating circuit pump The pump speed and therefore the flow Individually match the minimum and Using the diagram, the flow rate can be...
  • Page 9 Specification circulation pumps and heads Vitodens 300 from 49 kW Circulation pump VIRS 7 BUS variable speed, ready to plug in for installation into the boiler or as external pump for pipe installation. " Rated voltage Rated current A max.
  • Page 10 Pressure drop (primary circuit) For the design of an on−site heating circuit pump. 1000 1000 1500 2000 2500 3000 3500 Flow rate in litres/h A Vitodens 300 to 35.0 kW B Vitodens 300 from 49.0 kW VITODENS 300...

  • Page 11: Dhw Cylinder

    DHW cylinder DHW heating with DHW cylinder Vitodens 300 gas fired boiler up to 35.0 kW Cylinder loading pump DHW cylinder, see separate datasheet. Part no. 7339 468 Pump type VIRS 30/ Vitodens 300 gas fired boiler from 49.0 kW...
  • Page 12 Installation in unfinished buildings (on finished walls) Pre−installation in unfinished buildings for Vitodens 300 (up to 35 kW) installation directly to the wall installation on finished walls Required accessories for installations Additional requirements when Note without DHW cylinder connecting a DHW cylinder...
  • Page 13 Installation in unfinished buildings (on unfinished walls) Pre−installation in unfinished buildings for Vitodens 300 (up to 35 kW) installation directly to the wall installation on unfinished walls Required accessories for installations Additional requirements when Note without DHW cylinder connecting a DHW cylinder...
  • Page 14 Installation in unfinished buildings (mounting frame) Pre−installation of Vitodens 300 (up to 35 kW) in unfinished buildings with mounting frame Mounting frame With diaphragm expansion vessel (nominal capacity 11 litres), valves, fixings parts and gas angle valve G ¾" incl. thermal safety shut−off valve...

  • Page 15: Installation In Unfinished Buildings

    Installation in unfinished buildings Pre−installation in unfinished buildings for Vitodens 300 (from 49 kW) installation directly to the wall An installation template is supplied with Make the connection to the heating Note Vitodens 300 for the location of fixing circuits on site (maintenance valves and...
  • Page 16 G Mounting bracket for gas fired boiler Information regarding Vitodens 300 from 49.0 kW Vitodens 300 with 49.0 and 66.0 kW can also be fitted to the self−supporting mounting frame. The boiler stands 20 mm proud on both sides of the self−supporting mounting...

  • Page 17: Electrical Connection

    Electrical connection Electrical connection Observe the requirements of your local Vitodens 300, 6.6 to 35.0 kW Vitodens 300, from 49.0 kW electricity supply company and VDE (or local) regulations when making the mains power connection. The mains power cable must be protected by a fuse with a maximum rating of 16 A.
  • Page 18 Vitodens 300 as replacement for third party boilers Vitodens 300 (6.6 to 35 kW) as replacement for third party boilers Using an adaptor, Vitodens may be fixing parts are offered as accessories for Generally, where a gas fired wall connected to the water connections of...
  • Page 19 Vitodens 300 as replacement for third party boilers Replacing Thermoblock VC/ VCW Open flue operation Balanced flue operation Thermoblock Thermoblock Vitodens dimensions dimensions Dimension Installation on Installation on unfinished walls finished walls Existing water connections have identical dimensions. a mm...
  • Page 20 H Order the cylinder temperature sensor burner fault indication, burner fault reset, connected to the control unit and built integral diagnostic system and fuses. into the boiler. for Vitodens 300 from 49 kW separately Permiss. ambient (see page 21). temperature H in operation: 20 to +130 ºC...
  • Page 21 Vitotrol 100 (type UTA), Vitotrol 100 (type UTD), Cylinder temperature sensor part no. 7170 149 part no. 7179 059 for Vitodens 300 from 49 kW, part no. 7179 114 Cable length approx. 3.75 m, wired ready to plug in Protection: IP 32 Permiss.
  • Page 22 H during Rated frequency: 50 Hz 0 to +40 ºC Rated current: operation: Power Use in living space and consumption: boiler rooms (standard Safety class: ambient conditions) H in storage Protection: IP 32 and transport: 20 to +65 ºC VITODENS 300...
  • Page 23 13 to 40 K It offers cylinder temperature regulation with priority control (heating circuit pumps OFF , mixer closed). An additional DHW heating function (short−term heating to a higher temperature) is an option. Control characteristics PI characteristics with modulating output. VITODENS 300...
  • Page 24 Note insulation of the building to be heated. When using a hydraulic de−coupler (low for Vitodens 300 from 49 kW separately Adjusting both heating curves matches loss header), connect a temperature (see page 32). the boiler water temperature and the flow...
  • Page 25 LON H Special control strategy for BUS (LON module required [accessory]) H for modulating operation in conjunction Vitodens 300 gas fired condensing Note boiler. with Vitotronic 100, type HC1 For higher antiference, connect all boilers with Vitotronic 100 and the Vitotronic 333 cascade control unit to the same phase.
  • Page 26 Rated frequency: 50 Hz unit with plain text support. up to four Vitodens 300 with Rated current: The control unit contains the following: Vitotronic 100, type HC1, in modulating Power consumption: 10 W System ON/OFF switch, electronic mode.
  • Page 27 +1 ºC, i.e. the heating circuit pumps are started and the flow is maintained at a lower temperature of approx. 10 ºC. H stopped, if the outside temperature exceeds approx. +3 ºC. i.e. the heating circuit pumps are switched OFF . VITODENS 300...
  • Page 28 H in standard mode: 10 to 30 ºC, The set room temperature for reduced mode is adjusted on the control unit. adjustable from 3 to 23 ºC or 17 to 37 ºC H in reduced mode: 3 to 37 ºC VITODENS 300...
  • Page 29 H Never route this lead immediately next to 230/400 V cables. Safety class: Protection: IP 30 to EN 60529, safeguard through design/ installation Permissible ambient temperature H in operation: 20 to +40 ºC H in storage 20 to +65 ºC and transport: VITODENS 300...
  • Page 30 H during Rated frequency: 50 Hz 0 to +40 ºC Rated current: operation: Power Use in living space and consumption: boiler rooms (standard Safety class: ambient conditions) H in storage Protection: IP 32 and transport: 20 to +65 ºC VITODENS 300...
  • Page 31 The mixer motor is mounted directly on With connecting cable (approx. 4 m long) With connection plug for heating circuit Viessmann mixer DN 20 to 50 and R ½" to and system plug. 30 to 80 ºC pump, flow temperature sensor (contact 1¼".
  • Page 32 Cylinder temperature sensor H to default a set flow temperature via a Connecting cable extension for Vitodens 300 from 49 kW, 10 V input for one temperature part no. 7179 114 range from 10 to 100 ºC...
  • Page 33 7226 141 for Vitodens 300 up to 35.0 kW part no. 7252 666 DN 40 for Vitodens 300 with 49.0 and 66.0 kW Part no. 9535 742 DN 40 A Inlet (DN 20) B Outlet (DN 20)
  • Page 34 Vitodens 300 accessories Installation accessories for Vitodens 300 (up to 35 kW) Connection between Vitodens 300 and the DHW cylinder Connection set for wall mounted DHW cylinder Vitocell W 100 comprising: H Cylinder temperature sensor H Heating water connection pipes...
  • Page 35 Vitodens 300 accessories Accessories for the installation of Vitodens 300 with 49 and 66 kW Straight−through gas valve R ¾" Shut off valves Solder fittings (1 set) G 1½" DN 35 with integral thermal safety shut−off valve Set of ball shut−off valves (2 pieces) incl.
  • Page 36 Multi−boiler systems LPG version Multi−boiler systems for open flue operation with 2, 3 or 4 boilers with Vitodens 300 is factory−set for LPG and H flue gas cascade, comprising: may be converted to natural gas. Non−return valve Gas governor integrated into the Flue pipe equipment.

  • Page 37: Design Information

    Design information Design information Positioning H Do not use where air is polluted with Vitodens 300 (up to 49 kW) for balanced Vitodens 300 in open flue operation halogenated hydrocarbons (e.g. as in flue operation (type B and B aerosols, paints, solvents and cleaning...
  • Page 38 H 1, when installing Vitodens 300 in rooms below ground Use only three−way mixers where mixers are required, e.g. for level. multi−circuit or underfloor heating systems.
  • Page 39 VITODENS 300...
  • Page 40 Subject to technical modifications. Viessmann Werke GmbH & Co D 35107 Allendorf Tel: +49 6452 70 0 Fax: +49 6452 70 27 80 www.viessmann.de Viessmann Limited Hortonwood 30, Telford Shropshire, TF1 7YP , GB Tel: +44 1952 675000 Fax: +44 1952 675040 E−mail: info−uk@viessmann.com...

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Vitodens 300 wb3a

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