Viessmann Vitovent 300-W Service Instructions Manual
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Viessmann Vitovent 300-W Service Instructions Manual

Mechanical ventilation system with heat recovery for a maximum air flow rate of 300 m3/h and 400 m3/h
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VIESMANN
Service 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
For applicability, see the last page
VITOVENT 300-W
Please keep safe.
5793 605 GB
9/2015

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Summary of Contents for Viessmann Vitovent 300-W

  • Page 1 VIESMANN Service 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 For applicability, see the last page VITOVENT 300-W Please keep safe. 5793 605 GB...
  • Page 2 ■ installer or a qualified person authorised by the For replacement, use only spare parts supplied installer. or approved by Viessmann. Regulations to be observed National installation regulations ■ Statutory regulations for the prevention of accidents ■...
  • Page 3 3-way diverter damper connection for geothermal heat exchanger (on site) ......................36 Temperature sensor resistance curve ............ 37 5. Parts lists Vitovent 300-W overview ............... 39 Vitovent 300-W parts ................40 6. Connection and wiring dia- Controller PCB ..................42 gram 7.
  • Page 4 Information Symbols The steps in connection with commissioning, inspec- Symbol Meaning tion and maintenance are found in the "Commission- Reference to other document containing ing, inspection and maintenance" section and identified further information as follows: Step in a diagram: Symbol Meaning The numbers correspond to the order in Steps required during commissioning...
  • Page 5 Vitovent 300-W meets the requirements for passive house use. Product information The Vitovent 300-W is a mechanical ventilation unit for detached houses or apartments with up to 230 m living space. The outdoor air drawn into the ventilation unit is first routed through a filter, purified and then preheated by a countercurrent heat exchanger.

  • Page 6: Table Of Contents

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • 1. Checking the mechanical ventilation system..............• • • 2. Starting the ventilation unit....................• 3. Setting the language, time and date................. • 4.

  • Page 7: Checking The Mechanical Ventilation System

    Commissioning, inspection, maintenance Checking the mechanical ventilation system Danger Please note The simultaneous operation of open flue com- The simultaneous operation of extractor hoods bustion equipment (e.g. an open fireplace) and or extracting tumble dryers and the Vitovent in the Vitovent in a space with combustion air inter- rooms with an interconnected air supply results connection results in dangerous negative pres- in negative pressure inside the room.

  • Page 8: Setting The Language, Time And Date

    Intensive ventilation (maximum air 225 m 300 m flow rate) Setting ranges Display Ventilation stage Vitovent 300-W for max. air flow rate 300 m 400 m "Air Airflow 0" Background ventilation (minimum Do not adjust Do not adjust air flow rate) "Air Airflow 1"...

  • Page 9: Metal Ductwork (Flat): Presetting The Supply/Extract Air Vents

    We recommend setting the air flow rates so that suc- cessive ventilation stages are at least 10 m /h apart. "Vitovent 300-W" operating instructions Metal ductwork (flat): presetting the supply/extract air vents You will need the following engineering details: Using these details, the required aperture width for the...
  • Page 10 Commissioning, inspection, maintenance Metal ductwork (flat): presetting the… (cont.) Nominal diameter Dimensions in mm Max. flow rate in m DN 100 DN 125 DN 100, air discharge angle 180° (with deflector) Air flow rate in m³/h Fig. 2 Width of annular gap in mm DN 100, air discharge angle 360°...
  • Page 11 Commissioning, inspection, maintenance Metal ductwork (flat): presetting the… (cont.) DN 125, air discharge angle 180° (with deflector) Air flow rate in m³/h Fig. 4 Width of annular gap in mm DN 125, air discharge angle 360° (without deflector) Air flow rate in m³/h Fig.
  • Page 12 Commissioning, inspection, maintenance Metal ductwork (flat): presetting the… (cont.) 1. Determine the required annular gap from the dia- 2. Set determined annular gap at the supply air gram, taking into account the calculated pressure valve for setting into a ceiling. drop and air flow rate for the individual section.
  • Page 13 Commissioning, inspection, maintenance Metal ductwork (flat): presetting the… (cont.) 32.5 27.5 22.5 17.5 12.5 Air flow rate in m³/h Fig. 7 Aperture width in mm 1. Determine the required aperture width for the floor 2. Remove the grille from the floor vent. vent from the diagram, taking into account the cal- culated pressure drop and air flow rate for the indi- 3.
  • Page 14 Commissioning, inspection, maintenance Metal ductwork (flat): presetting the… (cont.) 22.5 17.5 12.5 Air flow rate in m³/h Fig. 9 Aperture width in mm 1. Determine the required aperture width for the slot- ted vent from the diagram, taking into account the calculated pressure drop and air flow rate for the individual section.
  • Page 15 Commissioning, inspection, maintenance Metal ductwork (flat): presetting the… (cont.) 5. Set the air discharge angle to 180° or 360°, depending on the installation position. Fig. 10 Air discharge angle Scaled rotary selector Slider at the back of the slotted vent Installation Setting the rotary selectors position...
  • Page 16 Commissioning, inspection, maintenance Metal ductwork (flat): presetting the… (cont.) Metal extract air valve for wall or ceiling installation (DN 100, DN 125) Nominal diam- Dimension Max. flow rate in m eter a in mm DN 100 DN 125 Fig. 11 Valve cone adjustment in mm DN 100 Air flow rate in m³/h...
  • Page 17 Commissioning, inspection, maintenance Metal ductwork (flat): presetting the… (cont.) DN 125 Air flow rate in m³/h Fig. 13 Valve cone setting in mm 1. Determine the required valve cone setting from the 2. Select the determined valve cone setting at the diagram (for DN 100 or DN 125), taking into extract air valve for setting into a wall or ceiling.
  • Page 18 Commissioning, inspection, maintenance Metal ductwork (flat): presetting the… (cont.) Kitchen extract air valve (DN 100, DN 125) Nominal diam- Dimension Max. flow rate in m eter a in mm DN 100 DN 125 Fig. 14 DN 100 50 60 Air flow rate in m³/h Fig.

  • Page 19: Plastic Ductwork (Flat): Presetting Air Flow Rates

    Commissioning, inspection, maintenance Metal ductwork (flat): presetting the… (cont.) DN 125 Air flow rate in m³/h Fig. 16 Pressure drop curves for valve positions: Closed Open: clear cross-section 50 % 1. Determine the required valve setting from the dia- gram (for DN 100 or DN 125), taking into account the calculated pressure drop and air flow rate for the individual section.
  • Page 20 Commissioning, inspection, maintenance Plastic ductwork (flat): presetting air flow… (cont.) Air distribution boxes The flat duct connectors can be fitted to the air distri- bution boxes either at the front or at an angle of 90°. Fig. 20 Fig. 18 DN 180 DN 125 Fig.
  • Page 21 Commissioning, inspection, maintenance Plastic ductwork (flat): presetting air flow… (cont.) 300 400 40 50 Air flow rate in m³/h Fig. 21 Pressure drop in the supply air flow with fully connected flat duct connectors, without restrictors DN 125 DN 160 DN 180 Fully opening the metal supply air valve (DN 125) Set the width of the annular gap to 15 mm (see chap-...
  • Page 22 Commissioning, inspection, maintenance Plastic ductwork (flat): presetting air flow… (cont.) Fully opening the plastic supply air valve Fig. 22 On step 2: Setting the air discharge angle at the plastic sup- Open the supply air valve to the end of the scale. ply air valve The air discharge angle can be reduced from 360°...
  • Page 23 Commissioning, inspection, maintenance Plastic ductwork (flat): presetting air flow… (cont.) Fully opening the plastic extract air valve On step 2: Open the extract air valve to the end of the scale. Fig. 24...

  • Page 24: Adjusting The Air Flow Rates

    CO concentration. Set "V1 on/off" and "V2 on/off" to "0". "Vitovent 300-W" operating instructions 2. With an impeller air speed meter, check the air speed (or the air flow rate directly) at the supply air and extract air valves (observe the instructions of the test equipment manufacturer).

  • Page 25: Balancing The Air Flow Rates On The Supply Air / Extract Air Side

    Commissioning, inspection, maintenance Adjusting the air flow rates (cont.) Curves / Air flow rate table Supply air valve for wall installation (DN 100) Air speed in m/s Fig. 26 Number of apertures Floor vent Aperture width in mm Actual air speed in m/s Air flow rate in m 1.26 1.89...

  • Page 26: Shutting Down The Ventilation Unit

    ■ Set "Unbalan. Flow" to " 22". – "Vitovent 300-W" operating instructions "Vitovent 300-W" operating instructions 2. Recheck the air flow rates (see page 24). Compare the totals for the supply air and extract air side. Rebalance the air flow rates again if required.

  • Page 27: Cleaning And Replacing Filters

    Commissioning, inspection, maintenance Cleaning and replacing filters Please note Replace both filters at least annually. ■ Dust deposits in the appliance can result in ■ Dispose of contaminated filters through household damage to the appliance waste. Never operate the appliance without outdoor air or extract air filters.

  • Page 28: Cleaning The Countercurrent Heat Exchanger

    Commissioning, inspection, maintenance Cleaning and replacing filters (cont.) Resetting the filter service display "Vitovent 300-W" operating instructions Main menu on remote control 1. "Service menu" 2. "Filter Reset" 3. "Execute" Cleaning the countercurrent heat exchanger Please note Mechanical stress can result in damage to the fins of the countercurrent heat exchanger.

  • Page 29: Cleaning The Interior

    Commissioning, inspection, maintenance Cleaning the countercurrent heat exchanger (cont.) Cleaning information Danger Chemical deposits on the countercurrent heat exchanger can cause damage to health and to the appliance. ■ Only clean the countercurrent heat exchanger with clean water; maximum temperature 50 °C.

  • Page 30: Cleaning The Plastic Ductwork (Flat)

    Commissioning, inspection, maintenance Cleaning the plastic ductwork (flat) Clean the flat ducts of the plastic ductwork with special tools, e.g. the cleaning set offered by Lamers (see www.lamersequipment.nl). Checking the condensate drain Fig. 31 Condensate pan Condensate drain Condensate pipe 1.

  • Page 31: Adjusting The Appliance Settings At The Remote Control

    2. If a floating N/O contact is being connected to input X15.1/X15.2 or X15.3/X15.4 (see controller PCB on Meaning of settings and steps to take page 42), the following parameters must be set: "Vitovent 300-W" operating instructions Parameter Delivered Setting...
  • Page 32 Troubleshooting Diagnosis at the remote control Calling up fault messages "Vitovent 300-W" operating instructions Fault messages Characteristics of the mechanical ventilation sys- Action "E100": Pressure sensor in the supply air fan faulty, pressure hoses (red) blocked or kinked Ventilation with a constant fan speed Check the pressure hoses (red) for contamina- ■...
  • Page 33 Troubleshooting Faults without fault display Characteristics of the mechanical ventilation sys- Action Integral electric preheater coil is faulty or thermal breaker has responded. System with external electric preheater coil: Check the connections of the integral electric pre- At low outside temperatures the external electric pre- heater coil (see page 37).
  • Page 34 Maintenance Removing the PCB cover Danger Contact with 'live' components can lead to seri- ous injury from electric current. Before removing the cover pull out the mains plug and safeguard against reconnection. Fig. 32 Assemble in reverse order. Checking the DIP switches and pressure hoses The pressure hoses must be firmly seated on the con- troller PCB connections.
  • Page 35 Maintenance Checking the DIP switches and pressure hoses (cont.) DIP switch settings, Vitovent 300-W With max. flow rate 300 m 400 m Appliance type Vitovent 300-W 300 m 400 m Switch Fig. 33 DIP switch Pressure hose connections Pressure hoses, red...
  • Page 36 Maintenance Overview of terminals Fig. 34 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 37 Maintenance Temperature sensor resistance curve Temperature sensors NTC 10 k Ω -20 -10 0 10 20 Temperature in °C Fig. 35...
  • Page 38 Maintenance Temperature sensor resistance curve (cont.)
  • Page 39 Parts lists Vitovent 300-W overview The following details are required when ordering parts: ■ Serial no. (see type plate ■ Position number of the part (from this parts list) Fig. 36 Type plate (behind left front panel)
  • Page 40 Parts lists Vitovent 300-W parts 0012 0017 0015 0010 0006 0004 0002 0013 0005 0007 0001 0003 0014 0016 0020 0019 0008 0011 0018 0009 Fig. 37...
  • Page 41 Parts lists Vitovent 300-W parts (cont.) 0001 0002 Temperature sensor NTC 10 k Ω 0003 Countercurrent heat exchanger 0004 Bypass damper motor 0005 Bypass damper 0006 Controller PCB 0007 Integral electric preheater coil, including 2 high limit safety cut-outs 0008...
  • Page 42 Connection and wiring diagram Controller PCB 0-10 V ϑ ϑ 0-10 V ϑ D ϑ 0 &10 V ϑ Fig. 38 Supply air fan Input, changeover Extract air fan ■ Input 0 to 10 V for CO sensor: Set "V1 on/off" –...
  • Page 43 Commissioning/service reports Appliance settings report Parameter Delivered condition Setting range Commissioning Vitovent 300-W air flow rates for maximum air flow rate 300 m "Air Airflow 0" Do not adjust 50 m "Air Airflow 1" 100 m 0 to 300 m "Air Airflow 2"...
  • Page 44 Commissioning/service reports Appliance settings report (cont.) Parameter Delivered condition Setting range Commissioning Floating N/O contact "CN1 coupling" Note Never set 1, 2, 3 and 4! "CN1 in. Mode" 0 and 5 Note Never set 1, 2, 3, 4, 6 and 7! "CN1 extract mode"...
  • Page 45 Commissioning/service reports Commissioning report Fig. 39...
  • Page 46 Commissioning/service reports Sample commissioning report Fig. 40...
  • Page 47 Specification Specification Vitovent 300-W Type HR A300 HR A400 Max. air flow rate Max. external pressure drop at max. air flow rate Factory setting of air flow rates Background ventilation ( Reduced ventilation ( Nominal ventilation ( Intensive ventilation (...
  • Page 48 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 49 Certificates Declaration of conformity We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, confirm as sole responsible body that the product Vitovent 300-W including remote control complies with the following standards: EN 55 014–1 EN 60 335-2-40 EN 55 014-2 EN 60 335-2-80 EN 60 335–1...
  • Page 50 Keyword index Keyword index Condensate pipe............30 3-way diverter damper..........36 Connection diagram........... 42 Connector..............41 Controller PCB......... 32, 34, 41, 42 Adjustable foot............41 Countercurrent heat exchanger..... 5, 7, 28, 41, 47 Air discharge angle............9 – Cleaning..............28 Air discharge angle, slotted vent........ 15 Cover, PCB..............
  • Page 51 Keyword index Keyword index (cont.) High limit safety cut-out..........41 Resistance curve, temperature sensors.....37 HLSC................41 Restrictor..............19 Impeller air speed meter..........24 Service display............28 Individual sections Setting – Air flow rate............... 9 – Air discharge angle, supply air valve.......22 – Pressure drop............9 –...
  • Page 52 Applicability Serial no.: 7521193 7521194 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...

This manual is also suitable for:

Hr a300Hr a400

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