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Viessmann VITODENS Technical Manual

Flue systems for gas condensing boilers
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VIESMANN
VITODENS AND VITOSOLAR
Flue systems for gas condensing boilers
1.9 to 150.0 kW
Technical guide
FLUE SYSTEMS VITODENS AND
VITOSOLAR
5414 641 GB
5/2013

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Summary of Contents for Viessmann VITODENS

  • Page 1 VIESMANN VITODENS AND VITOSOLAR Flue systems for gas condensing boilers 1.9 to 150.0 kW Technical guide FLUE SYSTEMS VITODENS AND VITOSOLAR 5414 641 GB 5/2013...

  • Page 2: Table Of Contents

    (rated heating output ≤ 50 kW) ............■ In the installation room, with ventilation air supplied through the external wall ..■ Several Vitodens in the living space or in occupied areas (living space - rated heat- ing output ≤ 50 kW) ....................
  • Page 3 3. 4 Components for multiple connections to a room sealed balanced flue system – pos- itive pressure for the Vitodens 200-W, 222-W and 222-F, 19 to 26 kW ..... 55 3. 5 Components of the flexible single pipe system for flexible flues ......... 56 3.

  • Page 4: Flue Systems 1. 1 Flue Systems

    1.1 Flue systems The following requirements regarding design and installation apply to Siting the Vitodens in the living space is feasible, subject to the flue flue systems for condensing combustion equipment: inside the living space being routed inside a protective pipe and being...

  • Page 5: Open Flue Operation

    Where no suitable shaft is available, the flue may be routed to the roof When installing the Vitodens in a basement or on a lower floor, an through a retrofitted shaft. For this shaft, a Building Regulations test existing chimney or shaft of adequate size may be used for the bal-...

  • Page 6: Ce Certification For Pps Flue Systems (Rigid And Flexible) For The Vitodens

    Flue systems (cont.) 1.6 CE certification for PPs flue systems (rigid and flexible) for the Vitodens VIESMANN VITODENS AND VITOSOLAR...
  • Page 7 Flue systems (cont.) VIESMANN VITODENS AND VITOSOLAR...

  • Page 8: Flue Installation Options For Balanced Flue Operation

    In the vertical section the external pipe of the concentric coaxial pipe acts as thermal insulation, thanks to the static air gap. The combustion air is supplied via the balanced flue air inlet piece. For a detailed description, see page 22. A Flue gas B Ventilation air VIESMANN VITODENS AND VITOSOLAR...

  • Page 9: Several Vitodens In The Living Space Or In Occupied Areas

    For a detailed description, see page 21. A Flue gas B Ventilation air Several Vitodens in the living space or in occupied areas (living space - rated heating output ≤ 50 kW) Installation on different floors (Type C , to TRGI 2008) Operation with negative pressure: Room sealed balanced flue system required.

  • Page 10: Flue Installation Options For Open Flue Operation

    For installation in Austria, observe the relevant safety regulations of the ÖVGW-TR Gas (G1) 1985, ÖVGW-TRF (G2), ÖNORM, ÖVGW, ÖVE and regional regulations. In the installation room (non-living space) with one or more full floors above (compulsory for the Vitodens 200-W from 60 kW)

  • Page 11: Special Version: Open Flue Operation And Installed In The Living Space (Occupied Area) With Interconnected Room Air Supply (Rated Heating Output ≤ 35 Kw)

    B Ventilation air C Secondary ventilation D Door E Interconnected air supply Flue gas header for several Vitodens 200-W, 222-W and 222-F – positive pressure Type B , to TRGI 2008 Several boilers inside the same room draw combustion air from outside via ventilation apertures and expel the flue gas through a common flue pipe to the outside via the roof.

  • Page 12: Plastic (Pps) Balanced Flue System For Routing Through A Shaft - Balanced Flue Oper- Ation

    If flue pipes other than those offered as accessories (which are If thorough cleaning is impossible, if chloride deposits are present or approved with the Vitodens as a single structural unit) are used, the if the shaft is silted up, a separate balanced flue can be used inside flue system must be checked for tightness by the flue gas inspector the shaft.
  • Page 13 System size A External diameter, fem. Reduced internal shaft dimension connection Square or rectangular Round (short side) Ø mm Ø mm Minimum dimension of shafts in which a flue may be used without separate calculation (positive pressure operation). VIESMANN VITODENS AND VITOSOLAR...

  • Page 14: Flue, System Size 60, 80 And 100 (Components) (Type C

    – Ø 60/100 mm to Ø 80/125 mm — – Ø 80/125 mm to Ø 100/150 mm — Max. total length of the flue up to the boiler flue connection Vitodens 200-W, 222-F, 222-W and 242-F Rated heating output range 3.2–13 3.2–19 5.2–26 5.2–35...

  • Page 15: Vitodens In Conjunction With Solid Fuel Boilers

    ■ Balanced flue connection pipe 0.5 m long: 1 m ■ Balanced flue connection pipe 1 m long: 2 m Vitodens in conjunction with solid fuel boilers Routing a plastic flue adjacent to a shaft at risk of chimney fire from Ø...
  • Page 16 The chimney for the solid fuel boiler must stand at least 1000 mm D Vitodens flue (rigid or flexible) proud of the Vitodens flue. For the chimney extension, only use E Chimney used for solid fuel boiler components that are resistant to soot fires.

  • Page 17: Flue, Flexible, System Size 60, 80 And 100 (Components) (Type C

    – Ø 80/125 mm to Ø 70/110 mm — — – Ø 80/125 mm to Ø 100/150 mm — Max. total flue length up to the boiler flue connection with flexible flue pipe Vitodens 200-W, 222-F, 222-W and 242-F Rated heating output range 3.2–13 3.2–19 5.2–26 5.2–35 Max.

  • Page 18: Plastic (Pps) Balanced Flue System For Vertical Routing Through A Pitched Or Flat Roof (Type C , To Trgi 2008)

    As part of the CE approval test it was verified that no surface temper- and ventilated installation room (according to FeuVo [Germany]) atures on the Vitodens or its balanced flue system will exceed 85 °C. (Vitodens 200-W from 60 kW).
  • Page 19 — – Ø 60/100 mm to Ø 80/125 mm — – Ø 80/125 mm to Ø 100/150 mm — Max. total length of the flue pipe Vitodens 200-W, 222-F, 222-W and 242-F Rated heating output range 3.2–13 3.2–19 5.2–26 5.2–35 Max.

  • Page 20: Plastic (Pps) Balanced Flue System For External Wall Connection

    As part of the CE approval test it was verified that no surface temper- Install an inspection port in the flue for checking and cleaning the flue atures on the Vitodens or its balanced flue system will exceed 85 °C. pipe.

  • Page 21: Plastic (Pps) Flue/Ventilation Air System For Separate Ventilation Air And Flue Gas Routing (Type C To Trgi 2008)

    As part of the CE approval test it was verified that no surface temper- Observe the design information according to TRGI 2008. atures on the Vitodens or its balanced flue system will exceed 85 °C. Internal diameter, flue pipe: Ø 60 or 80 mm The flue system for separate ventilation air and flue gas routing has Internal diameter, external pipe: Ø...

  • Page 22: Plastic (Pps) Balanced Flue System For Routing Over External Walls

    2.6 Plastic (PPs) balanced flue system for routing over external walls (type C , to TRGI 2008) The Vitodens may also be connected to a flue that is routed over an external wall without a shaft. The combustion air is drawn in via the air inlet piece. The vertical external pipe provides protection, and due to the static air gap inside also acts as thermal insulation.
  • Page 23 1 m long — Colour: terracotta 0.5 m long 1 m long — Universal roof tile – For Roman tiles and pantiled roofs. Colour: black or terracotta Alternative system size. Balanced flue adaptor must be ordered separately. VIESMANN VITODENS AND VITOSOLAR...

  • Page 24: Plastic (Pps) Balanced Flue System For Routing Through A Lightweight Shaft

    A space saving shaft for reduced temperature requirements may be The shaft used must comply with the requirements for domestic chim- retrofitted if no shaft is available and the Vitodens is installed in the neys to DIN V 18160-1 or must be generally approved by the building living space with one or more full storeys above.

  • Page 25: Anchoring For Roof Outlets With Shaft Profiles

    During installation, match the terminal shaft profile C to the roof slope. Shaft profiles offered by Promat System Fire rating size Ø mm 30 min 90 min A PROMATECT® female connection B PROMATECT® profile C Flue System Fire rating size Ø mm 30 min 90 min VIESMANN VITODENS AND VITOSOLAR...

  • Page 26: Roof Outlet For Shafts With Promat Profiles

    The flue supports inside the shaft and the shaft cover must be correctly implemented on site. For balanced flue com- ponents from the Vitodens to the common shaft, see page 14. VIESMANN VITODENS AND VITOSOLAR...

  • Page 27: Layout Examples

    2.9 Plastic (PPs) balanced flue system (connection pipe) for connecting multiple flues to a single room sealed balanced flue system The Vitodens condensing boilers meet the safety requirements in When connecting two condensing boilers to one chimney on the same accordance with DIN 3368-6.

  • Page 28: Room Sealed Balanced Flue System, Negative Pressure

    F Pressure compensation aperture G Check with the flue system manufacturer regarding minimum clearances. Room sealed balanced flue system, positive pressure – multiple connection with the Vitodens 200-W, 222- W and 222-F up to 26 kW (type C to TRGI 2008)
  • Page 29 Boiler flue connection (part of the stand- — ard boiler delivery) Flue gas non-return device — — For installation in the Vitodens 200-W, 222-W and 222-F (up to 26 kW) Order separately for every boiler Standard shaft pack (PPs, rigid) — Comprising: –...
  • Page 30 ê square, ..x ..ê rectangular, ..x ..Shaft material Please send this enquiry form to your regional quotation centre. The address and contact details can be found in the appendix to the Viessmann pricelist. VIESMANN VITODENS AND VITOSOLAR...

  • Page 31: Plastic (Pps) Flue Pipe For Routing Through A Shaft - Open Flue Operation (Type B, To Trgi 2008)

    TRGI 2008) Open flue operation requires a flue pipe as the connection piece Close off and seal any other connection apertures with appropriate between the Vitodens and the shaft, as well as for the routing through materials. the shaft. This does not apply to any cleaning or inspection apertures that are...

  • Page 32: Flue, System Size 60, 80 And 100 (Components)

    Stainless steel extension, 380 mm D Connection piece long for shaft cover, standard shaft E Secondary ventilation pack (metal/PPs, rigid) Extension – Ø 60 mm to Ø 80 mm – – Ø 80 mm to Ø 100 mm – VIESMANN VITODENS AND VITOSOLAR...
  • Page 33 Design and sizing information for connection on the flue gas side (cont.) Max. total length of the flue pipe Vitodens 200-W, 222-F, 222-W and 242-F Rated heating output range 3.2–13 3.2–19 5.2–26 5.2–35 Max. length - system size 60 Max. length - system size 80...

  • Page 34: Flue, Flexible, System Size 60, 80 And 100 (Components) (Type B

    Extension – Ø 60 mm to Ø 80 mm – – Ø 80 mm to Ø 100 mm – Max. total length of the flue pipe Vitodens 200-W, 222-F, 222-W and 242-F Rated heating output range 3.2–13 3.2–19 5.2–26 5.2–35 Max.

  • Page 35: Vitodens Up To 35 Kw

    ■ Connection pipe 0.5 m long: 0.5 m ■ Connection pipe 1 m long: 1 m Special version: open flue operation with combustion air interconnection for the Vitodens up to 35 kW (type to TRGI 2008) The Vitodens may also be installed in occupied rooms and be operated...
  • Page 36 A moisture-resistant and Building Regulations compliant flue pipe must be used for the connection piece. The plastic flue system (PPs) offered as an accessory to the Vitodens may be used for this. Safe- guard the draining of the condensate from the flue into the boiler by maintaining an appropriate fall of at least 3°.

  • Page 37: Multi Boiler Systems With Flue Systems Under Positive Pressure (Open Flue Operation) - Vitodens 200-W, Vitodens 222-W And 222-F

    F Inspection port G Ventilation air Multi boiler systems with flue systems under positive pressure (open flue operation) – Vitodens 200-W, Vitodens 222-W and 222-F Up to 4 gas condensing boilers, 13 to 35 kW, a maximum of 8 gas The combustion air apertures should measure at least 530 cm or 2 ×...
  • Page 38 ê oval, ..x..ê square, ..x..ê rectangular, ..x..Shaft material Please send this enquiry form to your regional quotation centre. The address and contact details can be found in the appendix to the Viessmann pricelist. VIESMANN VITODENS AND VITOSOLAR...
  • Page 39 Design and sizing information for connection on the flue gas side (cont.) Components and pipe lengths Vitodens 200-W, 222-W and 222-F, up to 35 kW A Ventilation air D Inspection port B Flue gas E Connecting pipe C Secondary ventilation...
  • Page 40 2 m long (1 pce) Flue gas non-return device 1 m long (1 pce) – For Vitodens 200-W, 222-W and 222-F up to 35 kW to be 0.5 m long (1 pce) ordered separately as an accessory (check valve to be in- Spacers (3 pce, max.
  • Page 41 - System size 200 mm — — - System size 250 mm — — Vitodens 200-W, 45 to 100 kW, installed in block formation – 6 and 8 boilers Rated heating output 6 x 45/60 6 x 80/100 8 x 45/60 8 x 80/100...
  • Page 42 5 Inspection piece Ø 150 mm Note ■ For Vitodens 200-W, 222-F and 222-W up to 35 kW the flue gas non- return device 2 (accessories) is installed in the boiler. ■ For Vitodens 222-W with the shaft positioned on the left, insert an additional flue gas header extension 7 upstream of the end piece with condensate drain 3.
  • Page 43 3 End piece with condensate drain 7 Brackets with suitable fixing materials 4 Siphon with hose Note In the delivered condition of the Vitodens 200-W from 45 kW, the flue gas non-return device 2 is installed in the boiler. Header 7 mm Number of boilers –...
  • Page 44 Design and sizing information for connection on the flue gas side (cont.) Note In the delivered condition of the Vitodens 200-W from 45 kW, the flue gas non-return device 2 is installed in the boiler. Header 7 mm Number of boilers –...

  • Page 45: Multi Boiler Systems With Flue Systems Under Negative Pressure

    These pipes may be trimmed as required. Ø mm 500/1000/1950 Balanced flue bend 87° System size Ø 60 and 80 mm 500/1000/1950 Ø a Ø b System size Ø 60 and 80 mm System size Ø 100 mm VIESMANN VITODENS AND VITOSOLAR...
  • Page 46 System size Ø 60 and 80 mm System size Ø 100 mm System size Dimensions [mm] Ø mm Balanced flue inspection bend 87°; system size Ø 60 and 80 mm System size Ø 100 mm System size Dimensions [mm] Ø mm VIESMANN VITODENS AND VITOSOLAR...
  • Page 47 Ø mm Balanced flue slide coupling Fixing clamp For routing pipes over internal or external walls, white. System size Dimensions [mm] Ø mm System size Dimensions [mm] Ø mm Balanced flue roof outlet With fixing clamp. VIESMANN VITODENS AND VITOSOLAR...
  • Page 48 ■ In excess of 93 mm for system size Ø 80 mm ■ In excess of 140 mm for system size Ø 100 mm: Depending on the offset (dimension A), insert a balanced flue exten- sion (dimension B) between the two 45° balanced flue bends. VIESMANN VITODENS AND VITOSOLAR...

  • Page 49: Components For Routing A Flue Over An External Wall

    External wall bend A with air inlet piece B, twin female connection C and wall bezel D. Ø b Ø a Ø b System size Ø 100 mm System size Dimensions [mm] Ø mm System size Dimensions [mm] Ø mm VIESMANN VITODENS AND VITOSOLAR...
  • Page 50 Dimensions [mm] Ø mm — — — — System size Dimensions [mm] — — — — Ø mm — — — — — — External wall bend, 45° Û a Use balanced flue components (see page 45). VIESMANN VITODENS AND VITOSOLAR...

  • Page 51: Single Pipe System Components

    Flue bend 87° System size Dimensions [mm] Ø mm Û Support rail System size Dimensions [mm] Ø mm Flue bend (45 °) Standard pack 2 pce. System size Dimensions [mm] Ø mm System size Dimensions [mm] Ø mm VIESMANN VITODENS AND VITOSOLAR...
  • Page 52 System size 200 Ø b □ System size 125, 150 and 200 System size Dimensions [mm] 7 mm Ø 250 System size 250 Shaft cover, PPs Fixing materials are part of the standard delivery. System size 250 VIESMANN VITODENS AND VITOSOLAR...
  • Page 53 130 mm to 250 × 250 mm or Ø 150 mm to Ø 300 mm). System size Dimensions [mm] Ø mm Inspection tee System size Ø 60 and 80 mm. System size 200 System size Dimensions [mm] Ø mm VIESMANN VITODENS AND VITOSOLAR...
  • Page 54 Flue system components (cont.) Inspection bend System size Dimensions [mm] Ø mm Ø d Û a System size Dimensions [mm] Ø mm A Spacer System size Dimensions [mm] Ventilation bezel 7 mm Ø d A Spacer VIESMANN VITODENS AND VITOSOLAR...

  • Page 55: Components For Multiple Connections To A Room Sealed Balanced Flue System - Pos- Itive Pressure For The Vitodens 200-W, 222-W And 222-F, 19 To 26 Kw

    Flue system components (cont.) 3.4 Components for multiple connections to a room sealed balanced flue system – posi- tive pressure for the Vitodens 200-W, 222-W and 222-F, 19 to 26 kW Connection assembly for multiple connections Fixing clamp Connection tee with long female connection and fixing clamp.

  • Page 56: Components Of The Flexible Single Pipe System For Flexible Flues

    Dimensions [mm] Ø mm System size Dimensions [mm] Ø mm Pipe lowering attachment With 25 m rope. Connection piece System size Dimensions [mm] Ø mm System size Dimensions [mm] Ø mm Shaft cover With end piece. VIESMANN VITODENS AND VITOSOLAR...

  • Page 57: Components For Multi Boiler Systems

    3.6 Components for multi boiler systems Flue gas header Installation in series Installation in series up to 35 kW Installation in series from 45 kW System size Dimensions [mm] Ø mm System size Dimensions [mm] 45 ° Ø mm VIESMANN VITODENS AND VITOSOLAR...

  • Page 58: Roof Elements

    15 – 60 80 – 150 System size Dimensions [mm] Ø mm Flue bend (87°) 45° Only for Vitodens 200-W, 222-W and 222-F, up to 35 kW. 45° 42° End piece with condensate drain Ø 80 System size Dimensions [mm] Ø...
  • Page 59 B Pipe outlet for universal roof tile Flat roof collar C Aeration layer Ø a D Thermal insulation E Insulation F Ceiling G Vertical coaxial roof outlet System size Dimensions [mm] Ø b Ø mm A Gravel ballast layer B Insulation layer VIESMANN VITODENS AND VITOSOLAR...
  • Page 60 Flue gas high limit safety cut-out............5 Flue systems ■ For balanced flue operation............4 Vertical roof outlet................18 ■ For open flue operation..............5 Subject to technical modifications. Viessmann Werke GmbH&Co KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB...

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