Viessmann Vitoladens 300-C Installation Instructions Manual
Oil fired condensing boiler
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Also See for Vitoladens 300-C:
- Service instructions manual (112 pages) ,
- Installation and service instructions manual (108 pages) ,
- Technical manual (52 pages)
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Table of Contents
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Summary of Contents for Viessmann Vitoladens 300-C
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Page 1: Installation Instructions
VIESMANN Installation instructions for contractors Vitoladens 300-C Type VC3, 12.9 to 28.9 kW Oil fired condensing boiler VITOLADENS 300-C Dispose after installation. 5592 913 GB 11/2007... -
Page 2: Safety Instructions
Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Regulations Danger Observe the following when working This symbol warns against the on this system risk of injury. & all legal instructions regarding the prevention of accidents, Please note &... -
Page 3: Table Of Contents
Index Preparing the installation Clearance dimensions ................Overview of connections ................Preparing the boiler installation ..............Installation sequence Removing front panel .................. Boiler positioning and levelling..............& Positioning on an on-site plinth ..............& Positioning on a plinth ................& DHW cylinder positioning ................. -
Page 4: Clearance Dimensions
Clearance dimensions A Combustion chamber B Boiler C DHW cylinder Note The siphon (if required) can be fitted either in the l.h. or the r.h. side of the floor panel. Ensure the siphon remains accessible. -
Page 5: Overview Of Connections
Overview of connections A Air vent valve K Heating flow B Cable entry & Flat-packing connection: G 1½" C Cable entry & Connection with the threaded D Ventilation air connector inserts supplied: Rp 1" E Flue gas connection L Cylinder flow and heating flow F Connection for the diaphragm G 1½"... -
Page 6: Preparing The Boiler Installation
Overview of connections (cont.) S Drain valve T Neutralising system (accessories) Preparing the boiler installation 1. Prepare the water connections. 3. Prepare the electrical connections. Flush the heating system thor- & Power cable (sheathed cable): oughly. NYM-J 3 x 1.5 mm , fuse max. -
Page 7: Removing Front Panel
Removing front panel Note Remove the siphon from the front panel. -
Page 8: Boiler Positioning And Levelling
Boiler positioning and levelling Positioning on an on-site plinth Orientate the boiler with a slight incline towards the back. Positioning on a plinth Installation instructions on the plinth packaging. This may be housed in the plinth if a neutralising system is connected. Install the neutralising system when fitting a plinth. -
Page 9: Fitting The Safety Equipment Block And Connections On The Heating Water Side
Fitting the safety equipment block and connections on the heating water side Note Counterhold the safety equipment block when tightening the fixing screws. A Pressure gauge E Safety valve B Air vent valve F Tee Rp ½" (if the expansion ves- C Automatic shut-off valve sel is to be fitted here) D Quick-acting air vent valve... - Page 10 Fitting the safety equipment block and connections . . . (cont.) A Heating circuit connections with B Heating flow C Heating return threaded fittings or Modular-Divi- con heating circuit distributor (accessories)
- Page 11 Fitting the safety equipment block and connections . . . (cont.) A Caps G 1½" (if no DHW cylinder is B Expansion vessel connection connected) Note Fit the front thermal insulation C only after the system has been filled and tested for leaks.
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Page 12: Making The Safety Connections
Making the safety connections Install the safety lines. Permiss. operating pressure: 3 bar Test pressure: 4 bar Minimum cross-sections & Safety valve blow-off line: DN 20 (R ¾") & Connection of the diaphragm expansion vessel, e.g. via the sup- plied tee on the safety equipment block (Rp ½") Low water indicator Tests have verified that the low water... -
Page 13: Connection With Neutralising System (Accessory)
Condensate connection (cont.) A Plinth or DHW cylinder below Note Route the supply hose as straight as possible to prevent backpressure. Connection with neutralising system (accessory) Note The neutralising system can be installed in the plinth. The neutralising system can also be installed alongside the boiler, if the boiler is mounted on top of the DHW cylinder or on an on-site plinth. -
Page 14: Flue Gas Connection
Condensate connection (cont.) A Condensate drain, boiler B Condensate supply, neutralising system C Condensate drain, neutralising system D Neutralising system (accessories) E Plinth (accessories) Flue gas connection Note The boiler can be operated in open or balanced flue operation. A boiler flue connection is supplied, subject to order. -
Page 15: Open Flue Operation
Flue gas connection (cont.) Open flue operation A Boiler flue connection B Ventilation aperture C Flue gas connection D Ventilation air connector E Vermin protection Balanced flue operation & Separate routing of flue gas/ventila- tion air A Boiler flue connection F Ventilation air pipe... - Page 16 Flue gas connection (cont.) & Coaxial balanced flue Flue gas system installation instructions. G Balanced flue (coaxial) H Boiler flue connection (coaxial) K Ventilation hose...
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Page 17: Installing The Oil Supply As A Single Line System
Installing the oil supply as a single line system A Fuel oil filter with automatic air B Foot valve vent valve Install a single line fuel oil filter R ⅜" (filter mesh max. 40 µm) and a fuel oil air vent valve in the oil supply. We recommend: &... - Page 18 Installing the oil supply as a single line system (cont.) Sizing the oil line Suction Max. pipe length in m head H in with suction line 7 mm +4.0 +3.5 +3.0 +2.5 +2.0 +1.5 +1.0 +0.5 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 -3.5...
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Page 19: Removing The Top Panel And Opening The Control Unit Casing
Removing the top panel and opening the control unit casing Note The control unit pack is supplied below the top panel. -
Page 20: Routing The Connecting Cables
Routing the connecting cables Please note If connecting cables touch hot components they will be damaged. When routing and securing power cables on site, ensure that the maxi- mum permissible temperatures for these cables are not exceeded. A Main PCB C Connecting cables B Strain relief D Cable entry... -
Page 21: Inserting Cables And Applying Strain Relief
Routing the connecting cables (cont.) Inserting cables and applying strain relief On-site cables Strip up to 100 mm of insulation. -
Page 22: Summary Of Electrical Connections
Routing the connecting cables (cont.) Cables with moulded strain relief Summary of electrical connections Information regarding the connection of accessories For details of accessories, also observe their separate installation instructions provided. Please note Electronic modules can be damaged by electrostatic discharges. Touch earthed objects, such as heating or water pipes, to discharge sta- tic loads. - Page 23 Summary of electrical connections (cont.) A Radio clock connection...
- Page 24 Summary of electrical connections (cont.) 230 V~ plugs Sensors and KM BUS fÖ Power supply Outside temperature sensor (in & Remove any existing individual the control unit pack) cores. Installation: & North or north-western wall, Danger 2 to 2.5 m above ground level; Incorrect core termina- in multi-storey buildings, in the tions can cause severe...
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Page 25: Additional Set Value At Plug Avf
Summary of electrical connections (cont.) Note The plugs are in the control unit pack. Additional set value at plug aVF The 0-10 V hook-up provides an addi- tional set boiler water temperature: ≙ 10 °C 1 V– ≙ 100 °C 10 V–... -
Page 26: External Heating Program Changeover/External Demand
External connections at plug . . . (cont.) A External heating program change- over/external demand (zero volt contact) B External blocking (zero volt con- tact) External heating program changeover/external demand The manually preselected heating A minimum boiler water temperature program can be modified and an can be defaulted via coding address external demand be received via the "9b", and an additional function can... -
Page 27: Pump Connection
Pump connection Available pump connections Note sÖ Heating circuit pump Heating circuit pumps for mixer cir- sA Cylinder primary pump cuits are connected to the mixer cir- sK DHW circulation pump cuit extension kit. Rated current: 2 (1) A~ Recommended H05VV-F3G connecting cable: 0.75 mm... -
Page 28: Closing The Control Unit Casing
Closing the control unit casing... -
Page 29: Connecting The Fire Protection Switch (Only For A)
Connecting the fire protection switch (only for a) Note Route cable A (on site) so that it cannot come into contact with hot compo- nents. Remove the existing jumper before making the connection. -
Page 30: Fitting The Front And Top Panel And Connecting The User Interface
Fitting the front and top panel and connecting the user interface Commissioning and adjustment Boiler service instructions... - Page 32 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...