Viessmann VITOVENT 300-W Installation Instructions Manual
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Viessmann VITOVENT 300-W Installation Instructions Manual

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VIESMANN
Installation instructions
for contractors
Vitovent 300-W
Mechanical ventilation system with heat recovery
3
3
for a maximum air flow rate of 300 m
/h and 400 m
/h
VITOVENT 300-W
Dispose after installation.
5793 589 GB
9/2015

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Summary of Contents for Viessmann VITOVENT 300-W

  • Page 1 VIESMANN Installation instructions for contractors Vitovent 300-W Mechanical ventilation system with heat recovery for a maximum air flow rate of 300 m /h and 400 m VITOVENT 300-W Dispose after installation. 5793 589 GB 9/2015...
  • Page 2 Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Danger This symbol warns against the risk of injury. Please note This symbol warns against the risk of material losses and environmental pollution. Note Details identified by the word "Note"...

  • Page 3: Table Of Contents

    Index Information ........................ Preparing for installation Passive house use ................. Air distribution/ductwork ................. Supply air and extract air ducts ............■ Supply air/extract air valves ..............■ Air routing between rooms ..............■ Preventing flow noise and pressure drop ........... ■...

  • Page 4: Information

    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 5 Information (cont.) Any usage beyond this must be approved by the man- ufacturer for the individual case. Incorrect usage or operation of the appliance (e.g. the appliance being opened by the system user) is prohibi- ted and results in an exclusion of liability. Incorrect usage also occurs if the components in the ventilation system are modified from their intended function.

  • Page 6: Preparing For Installation Passive House Use

    Passive house use Vitovent 300-W meets the requirements for passive house use. Air distribution/ductwork Supply air and extract air ducts The air is distributed from the ventilation unit to the liv- Installation information ing spaces (supply air) or from the wet areas to the ■...
  • Page 7 Kitchen Exhaust air Air distribution box Bathroom Flat duct Extract air Vitovent 300-W ■ Secure components with plastic-coated perforated ■ If flexible system 150 flat ducts are routed within the straps (on site) and seal joints with shrink tape. insulation layer below the screed (e.g. as the supply ■...

  • Page 8: Supply Air/Extract Air Valves

    Air distribution/ductwork (cont.) Supply air/extract air valves Arrange the supply air and extract air valves in the ■ room geometry so that the air is routed as directly as possible between rooms that are ventilated and those from which air is extracted. At the same time, ensure as broad a flow pattern as possible through the entire room.
  • Page 9 Air distribution/ductwork (cont.) Silencers Silencer, round, flexible Fig. 3 Connection Dimensions in mm DN 125 DN 160 DN 180 Silencer, flat, flexible, system 100/150 Fig. 4 System Dimensions in mm Silencer, flat, crush-resistant version, system 100 Fig. 5...

  • Page 10: Thermal Insulation Of The Ductwork

    Ensure ambient temperatures between 2 and the Vitovent in a space with combustion air inter- 35 °C. connection results in dangerous negative pres- The Vitovent 300-W can be floorstanding or wall sure in the interior. Negative pressure can result ■ mounted.
  • Page 11 Siting (cont.) Information regarding the operation of the Vitovent Set up kitchen extractor hoods as recirculating in conjunction with open flue combustion equip- extractors, which is more energy efficient. ment On-site safety equipment must be installed that will Never connect existing extractor hoods to the extract ■...

  • Page 12: Dimensions

    Siting (cont.) Dimensions Fig. 6 Ventilation unit with a maximum air flow rate of 300 m 400 m Supply air DN 160 DN 180 Extract air DN 160 DN 180 Outdoor air DN 160 DN 180 Exhaust air DN 160 DN 180 Condensate drain connector Male 1...

  • Page 13: Protecting The Mechanical Ventilation System

    Siting (cont.) Minimum clearances Fig. 7 Vitovent 300-W Protecting the mechanical ventilation system Please note Dust entering the ventilation unit and the duct- work can result in faulty operation of the mechanical ventilation system. Prevent the ingress of dust whilst building work is in progress by the following measures: ■...

  • Page 14: Installation Sequence Installing The Vitovent

    Installing the Vitovent Wall mounting 2 . 5 2 . 5 Fig. 8 Rubber washers as anti-vibration measure Floorstanding installation 1. In order to safeguard that the condensate can drain 2. Level the Vitovent horizontally. off freely, site the Vitovent on a mounting plinth (accessories).
  • Page 15 ■ Because of the risk of backpressure, connecting the condensate drain to downpipes is not permissible. Maintenance-free waterless trap (accessories) Fig. 9 Vitovent 300-W Condensate drain connector 1 male thread ¼ Waterless trap Waste water pipe DN 40, e.g. HT pipe (on site)

  • Page 16: Outdoor Air/Exhaust Air Ductwork

    Connecting the condensate drain (cont.) Trap with stench trap (on site) Fig. 10 Vitovent 300-W Condensate drain connector 1 male thread ¼ Connection piece outside diameter 32 mm (sup- plied) Trap with stench trap (on site) Note Secure pipe connections with PVC adhesive.

  • Page 17: System Diagram

    Outdoor air/exhaust air ductwork (cont.) System diagram Fig. 11...
  • Page 18 Outdoor air/exhaust air ductwork (cont.) Outdoor air/exhaust air ductwork Pos. Component System/DN Vitovent 300-W 300 m /h: DN 160 400 m /h: DN 180 Exterior wall outlet DN 160 With weather grille and insulating sleeve DN 180 ■ With bird guard ■...

  • Page 19: Exterior Wall Connection

    Outdoor air/exhaust air ductwork (cont.) Exterior wall connection Exterior wall duct with weather grille Fig. 12 EPP pipe sleeve...
  • Page 20 Outdoor air/exhaust air ductwork (cont.) Fig. 13 EPP pipe sleeve Mounting ring, sealing level Note on step 5: Note Seal mounting ring sealing level with suitable adhe- Thermally insulate the outdoor air duct from the exte- sive tape towards the sealing level. rior wall connection to the Vitovent in vapour diffusion- proof material.

  • Page 21: Roof Outlet

    Outdoor air/exhaust air ductwork (cont.) Fig. 15 EPP pipe Roof outlet Made from stainless steel with a removable cowl Fig. 16 EPP pipe sleeve Mounting clip to secure the EPP pipe sleeve Mounting ring, sealing level Air discharge vents...

  • Page 22: Outdoor And Exhaust Air Add-On

    Outdoor air/exhaust air ductwork (cont.) Installation instructions Made from painted sheet steel ■ Installation sequence similar to the installation of the exterior wall outlet with weather grille. To prevent the ingress of rainwater, orient roof outlet ■ discharge vents sideways (parallel to the gable). ■...
  • Page 23 Outdoor air/exhaust air ductwork (cont.) Fig. 18 EPP pipe Wall ring Bend with condensate drain connector (outside Ø 18 mm), for connecting an on-site waste water pipe Wall mounting bracket Pipe Bend with insect protection grille...

  • Page 24: Supply Air/Extract Air Ductwork: Plastic

    Fig. 19 Plastic ductwork (flat) Pos. Component System/DN Vitovent 300-W 300 m /h: DN 160 400 m /h: DN 180 Pipe with female connection (EPP) DN 160 DN 180 Flexible pipe Female connection (EPP)

  • Page 25: Restrictors For Adjusting The Air Flow Rate

    Restrictors for adjusting the air flow rate Calculate the flow rate and pressure drop with the aid of the calculation program (download from www.viessmann.de) prior to installation. Individual rings are knocked out of the restrictors to adjust the flow rate. How many rings need to be knocked out depends on the pressure drop calculation.
  • Page 26 Supply air/extract air ductwork: plastic (cont.) Fig. 21 Note For easier installation and cleaning, we recommend you mark the relevant connector on the air distribution box (e.g. kitchen or living/dining room). 1 2 3 4 Fig. 22...

  • Page 27: Connecting The Diverter

    Supply air/extract air ductwork: plastic (cont.) Connecting the diverter Fig. 23...
  • Page 28 Supply air/extract air ductwork: plastic (cont.) Fig. 24 Extension for diverter/valve connection, straight Note on step 5. Never use expanding well or frame foam.

  • Page 29: Fitting The Floor Vent

    Supply air/extract air ductwork: plastic (cont.) Fitting the floor vent Fig. 25 After completing the floor: Remove the plastic cover from the floor vent (step 4). ■ Remove cardboard insert. ■ ■ Insert the grille (step 6).

  • Page 30: Supply Air/Extract Air Ductwork: Metal

    (on site) in the supply air duct. Metal ductwork (flat) Pos. Component System/DN Vitovent 300-W 300 m /h: DN 160 400 m /h: DN 180 Pipe with female connection (EPP)
  • Page 31 Supply air/extract air ductwork: metal (cont.) Pos. Component System/DN 90° bend (zinc-plated sheet steel) DN 160 DN 180 45° bend (zinc-plated sheet steel) DN 160 DN 180 Branch (tee) round to flat DN 160/system 150 DN 180/system 150 Adaptor, round to flat DN 160/system 150 DN 180/system 150 Flat duct, rigid...

  • Page 32: Fitting The Slotted Vent

    Supply air/extract air ductwork: metal (cont.) Fitting the slotted vent Fig. 27 Separate installation instructions Note on step 4. ■ Unfinished wall: After rendering/plastering, insert and secure the slot- ted vent. Light wall construction: ■ Make a slot 305 x 40 mm, then insert and secure the slotted vent.

  • Page 33: Fitting The Floor Vent

    Supply air/extract air ductwork: metal (cont.) Fitting the floor vent Fig. 28 Separate installation instructions Note on steps 5 to 8: ■ Only carry out steps 5 to 8 after the floor has been completed.

  • Page 34: Supply Air/Extract Air Valves

    Supply air/extract air valves Installation versions, supply air/extract air valves Wall installation: flat duct in wall Installing in the ceiling Fig. 31 Screed Impact sound insulation Flat duct Diverter round to flat — Supply air valve, extract air valve, kitchen extract Fig.

  • Page 35: Fitting Metal Supply Air/Extract Air Valves

    Supply air/extract air valves (cont.) Fitting metal supply air/extract air valves Fig. 33 Example with wall mounted extract air valve Nominal diameter Dimension a in mm DN 125 Note on step 2: Insulate the ductwork connection with permanently flexible material against structure-borne noise trans- mission.

  • Page 36: Fitting The Kitchen Extract Air Valve

    Supply air/extract air valves (cont.) Fitting the kitchen extract air valve Fig. 35 Grease filter made from aluminium mesh Gasket Nominal diameter Dimension a in mm DN 125 Note on step 2: Insulate the ductwork connection with permanently flexible material against structure-borne noise trans- mission.
  • Page 37 Electrical connections (cont.) Overview of terminals Fig. 36 Power cable with standard plug (1/N/PE 230 V/ Output 0 to 24 V , max. 4.5 VA (X15.5/X15.6) – 50 Hz, factory fitted) External temperature sensor (NTC 10 k , X15.7/ Ω Remote control (2-pole plug, interchangeable X15.8), e.g.

  • Page 38: Fitting And Connecting The Remote Control

    Electrical connections (cont.) 3-way diverter damper connection for geothermal heat exchanger (on site) +10 V: X15.9 GND: X15.5 An on-site coupling relay is required for 230 V control of the diverter damper. Fitting and connecting the remote control Installation location: Connecting cable: ■...

  • Page 39: Connecting Air Pressure Switch And Sensors

    Installation in the outdoor air duct, close to the unit connector. Power supply Danger The Vitovent 300-W is delivered fully wired. Incorrectly executed electrical installations can Insert the mains plug into a standard socket result in injuries from electrical current and in (230 V/50 Hz) with separate fuse/MCB protection.

  • Page 40: Commissioning And Adjustment

    Commissioning and adjustment "Vitovent 300-W" service instructions...

  • Page 41: Keyword Index

    Keyword index 3-way diverter damper..........38 Electrical terminals............. 36 Electric preheater coil........... 11, 39 EPP bend..............25 Adaptor...............31 EPP pipe..............6, 24 Adjustable feet............. 8 Exterior wall connection..........19 Adjusting the air flow rate...........25 Exterior wall duct..........19, 20 Air discharge vent..........21, 22 Exterior wall outlet............18 Air distribution..............
  • Page 42 Keyword index (cont.) Metal ductwork (flat) Shrink tape..............7 – Components............30 Silencer..............8, 9 – System diagram............30 – Crush-resistant version..........9 Minimum clearances..........13 – Flat..............9, 31 Mounting bracket............7 – Round............9, 25, 30 Mounting clip.............. 21 Siting................10 Mounting plinth............14 –...
  • Page 44 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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