Viessmann Vitovent 300 Service Instructions For Contractors
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Viessmann Vitovent 300 Service Instructions For Contractors

Domestic ventilation system with heat recovery
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VIESMANN
Service instructions
for contractors
Vitovent 300
Domestic ventilation system with heat recovery
3
Air flow rate up to 180, 300 and 400 m
/h
For applicability, see the last page
VITOVENT 300
Please keep safe.
5692 762 GB
3/2008

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Summary of Contents for Viessmann Vitovent 300

  • Page 1 VIESMANN Service instructions for contractors Vitovent 300 Domestic ventilation system with heat recovery Air flow rate up to 180, 300 and 400 m For applicability, see the last page VITOVENT 300 Please keep safe. 5692 762 GB 3/2008...
  • Page 2 Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained the Code of Practice of relevant trade associations, Danger all current safety regulations as This symbol warns against the defined by DIN, EN, DVGW, TRGI, risk of injury.
  • Page 3 Instal- charge static loads. ling non-authorised compo- nents and non-approved modifications/conversion can compromise safety and may invalidate our warranty. For replacements, use only ori- ginal spare parts from Viessmann or those which are approved by Viessmann.
  • Page 4 Index Index Commissioning, inspection, maintenance Steps commissioning, inspection and maintenance ........Further details regarding the individual steps ..........Troubleshooting Diagnosis at the remote control ..............29 Remote control settings Menu structure overview ................32 Remote control settings by contractors............32 Components Sensor resistance curve ................

  • Page 5: Table Of Contents

    Commissioning, inspection, maintenance Steps commissioning, inspection and maintenance For further information regarding the individual steps, see the page indicated Commissioning steps Inspection steps Maintenance steps Page 1. Pre-inspection of the system ..........2.

  • Page 6: Pre-Inspection Of The System

    Commissioning, inspection, maintenance Further details regarding the individual steps Pre-inspection of the system Danger Incorrect installation of the ventilation system can lead to injuries and equipment damage. Always observe the following instructions. Simultaneous operation with open flue combustion equipment Please note If the domestic ventilation system is If the pressure inside the instal- to be operated together with the...

  • Page 7: Starting The System

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Extractor hoods and expelled air clothes driers Extractors and expelled air clothes Note drier must not be incorporated in the The ventilation air required by extrac- ductwork of the ventilation system. tors such as kitchen extractors and Design cooker hoods as recirculat- expelled air clothes driers must be...

  • Page 8: Adjusting The Air Volume

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Adjusting the air volume The air flow rate of the Vitovent 300 is preset at the factory to the following values: Version: 180 m 300 m 400 m Reduced mode:...

  • Page 9: Setting The Language, Time And Date (Commissioning)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Setting the language, time and date (commissioning) Remote control to confirm the selected lan- guage; figure "12" (hour) flashes. Note During commissioning, an automatic to enter "HOUR", display prompts you to make the fol- "MINUTE", "YEAR", lowing adjustments in sequence: Lan- "MONTH"...

  • Page 10: Adjusting The Ventilation Apertures

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Adjusting the ventilation apertures Ventilation aperture for wall integration (DN 100) 1. Determine the width of the air inlet using the intended flow rate and the specified pressure drop from the following diagram.
  • Page 11 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Determine the width of the air inlet using the intended flow rate and the specified pressure drop from the following diagram. 2. Adjust the air inlet in accordance with the calculated aperture width. 3.
  • Page 12 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) A Aperture width of the annular gap B Air flow directions 360° (sector [mm] plate removed)
  • Page 13 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) A Aperture width of the annular gap B Air flow directions 180° (sector [mm] plate fitted and able to rotate) Floor outlet (ventilation element for installation in floors) Flow rate up to 40 m...
  • Page 14 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Determine the width of the air inlet using the intended flow rate and the specified pressure drop from the following diagram. 2. Adjust the air inlet in accordance with the calculated aperture width. Note Remove the grille to enable the adjustment.
  • Page 15 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Slider aperture width A [mm] Actual air velo- city [m/s] Air flow rate [m 1.26 1.89 2.52 2.62 3.78 5.04 3.78 5.87 7.56 5.04 7.56 10.08 6.30 9.45 12.60 7.56 11.34 15.12 8.82...
  • Page 16 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Adjust the air inlet in accordance with the calculated aperture width. 3. Record the actual value in the com- missioning report. A Slot width [mm] Setting the air flow directions A Directions of air flow D Ceiling installation: All set to 6 B Scale range...
  • Page 17 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Extract air valve for wall and ceiling mounting Flow rate up to 45 m 1. Determine the width of the air inlet using the intended flow rate and the specified pressure drop from the following diagram.
  • Page 18 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Kitchen extract air valve Flow rate up to 60 m 1. Determine the width of the air inlet using the intended flow rate and the specified pressure drop from the following diagram. 2.

  • Page 19: Measuring The Air Flow Rates

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Example: Calculate the valve cone position at a pressure drop of p = 56 Pa: Air flow rate (acc. = 55 m to design): Valve cone posi- +6 mm tion: Measuring the air flow rates You can check the air flow rates via Note...
  • Page 20 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the air velocity 1. Measure the air flow rate (observe the instructions of the test equip- ment manufacturer). Note Use a measuring funnel in ventila- tion air and extract air apertures, in the cross-section of which the air velocity or air flow rate is measured with an impeller air speed meter.
  • Page 21 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Ventilation aperture, wall installation (air flow rate up to 30 m A Number of apertures Extract air valve with internal diameter DN 100 (air flow rate up to 45 m A Valve cone position...

  • Page 22: Shutting Down The System

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Readjusting the air flow rates 1. Determine the deviation between 5. Fix the air inlets/outlets after the the design and the actual air flow final adjustment (if necessary fix rates. with a locknut).

  • Page 23: Opening The Appliance

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Opening the appliance 1. Open the door C on the r.h. side of the appliance (locking closure). 2. Undo the Phillips screws B and open the door A on the l.h. side of the appliance.

  • Page 24: Countercurrent Heat Exchanger And Filter, Cleaning Or Replacing

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Countercurrent heat exchanger and filter, cleaning or repla- cing Version: 180 m A Clean air side B Dusty air side C Extract air filter Version: 300 and 400 m D Countercurrent heat exchanger E Outside air filter A Clean air side F Condensate drain hose...
  • Page 25 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Please note 3. Pull out outside air filter E and Mechanical loads on the fins extract air filter C. of the countercurrent heat exchanger can lead to Note damage on the fins. Remember the correct filter posi- Never touch the plastic fins tion.

  • Page 26: Cleaning The Ventilation Air And Extract Air Device

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the ventilation air and extract air device Clean the appliance internally with a damp cloth. Clean with a vacuum cleaner if required. Checking the condensate drain inside the appliance Please note 2.

  • Page 27: Cleaning The Grease Filter Of The Kitchen Extract Air Valve

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the grease filter of the kitchen extract air valve Note Retain grease filter and reinsert after cleaning. 1. Open the flap and remove grease filter A. 2. Clean the grease filter with a solu- tion of water (max.

  • Page 28: Cleaning The Ventilation Air Apertures And Extract Air Valves

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the ventilation air apertures and extract air valves 1. Light contamination: Wipe the outside air and extract air valves with a damp cloth. 2. Heavy contamination: Dismantle the outside air and extract air valves Wet-clean the outside air and extract air valves and refit them.
  • Page 29 Troubleshooting Diagnosis at the remote control Overview of controls and indicators Remote control The remote control provides informa- tion about the operating state and any The standard display shows the cur- current fault messages; it also rent time. Fault messages (see enables scans and changes to the page 30) and parameters (see from appliance configuration to be made.
  • Page 30 Troubleshooting Diagnosis at the remote control (cont.) Note The parameter selection cannot be reset so must be confirmed fully once with instead. A Flap open B Weekdays (1 Monday, ...) (Changing settings: Increasing or reducing a para- meter value) D Rotary selector for program selec- tion (Confirmation prior to input / Calling up the next parameter,...
  • Page 31 Troubleshooting Diagnosis at the remote control (cont.) Code Cause Measures The ventilation air Check all cables and connections of the ventila- fan does not run tion air fan; replace the fan if required The extract air fan Check all cables and connections of the extract does not run air fan;...
  • Page 32 Remote control settings Menu structure overview A For adjustable parameters, see B For fixed parameters, see page 34. page 33. Remote control settings by contractors Scanning control unit settings via the remote control The standard display shows the cur- rent time (see page 29). Additional data can be scanned as fol- lows.
  • Page 33 Remote control settings Remote control settings by contractors (cont.) Note With the following procedure, para- meters can only be scanned but not modified. For modifying settings, see from page 35. Scanning parameters Starting from the standard display, until all parameters have activate the following switches and been displayed and the keys:...
  • Page 34 Remote control settings Remote control settings by contractors (cont.) No. Description Possible va- Converted display value lues Current extract air pres- 0 to 120 0 to 120 Pa sure inPa Frost protection status 0 to 5 0-disabled 1 to 4-pressure imbalance 5-Ventilation air fan off Adjustable parameters No.
  • Page 35 Remote control settings Remote control settings by contractors (cont.) No. Description Optional values Standard subject to version setting (converted value) Reset all parameters to their factory 0 to 1 0-no settings Changing the remote control settings Only authorised contractors are per- to save the modified value.
  • Page 36 Remote control settings Remote control settings by contractors (cont.) Creating overpressure Creating underpressure Select a positive value for para- Select a negative value for para- meter 05, as described on page 34. meter 05, as described on page 34. Standard setting: Setting range: -100 to +100 Parameter 06: Permissibility of pressure imbalance...
  • Page 37 Remote control settings Remote control settings by contractors (cont.) Parameter 08: Bypass hysteresis This setting determines the tempera- Permitting a pressure imbalance ture differential (hysteresis) at which the bypass damper is switched elec- Set value "2" for parameter 08, as tronically.
  • Page 38 Remote control settings Remote control settings by contractors (cont.) Parameter 11: Auxiliary PCB (accessory) The auxiliary PCB must be installed if "Auxiliary PCB" installed the ventilation appliance is to be oper- ated simultaneously with open flue Set value "1" for parameter 11, as combustion equipment and on-site described on page 34.
  • Page 39 Components Sensor resistance curve Room air and outside air temperature sensor Fuses The fuses are on the control PCB (see The following fuses are used: page 40). F1 2AT When replacing fuses observe the Safety fuse 250 V, max. power loss max.
  • Page 40 Connection and wiring diagram Connection and wiring diagram Control PCB A Power supply 230 V/50 Hz B Extract air fan motor...
  • Page 41 D BUS cable OpenTherm E Remote control K Auxiliary PCB X6 F Outside air temperature sensor L Auxiliary PCB X10 Pt500 M Control PCB Vitovent 300 F1 Safety fuse 250 V G Room air temperature sensor F4 Safety fuse 250 V Pt500...
  • Page 42 Connection and wiring diagram Connection and wiring diagram (cont.) Auxiliary PCB A Auxiliary PCB D Switching interface P1 B To control PCB X12 F2 Safety fuse 250 V C To control PCB X13 F3 Safety fuse 250 V...
  • Page 43 Parts list Parts list When ordering spare parts: Quote the part and serial no. (see type plate) and the item no. of the required part (as per this parts list). Obtain standard parts from your local supplier. Version 180 m Parts Parts not shown 001 Remote control...
  • Page 44 Parts list Parts list (cont.) Version 180 m...
  • Page 45 Parts list Parts list (cont.) Version 300 and 400 m Parts 010 Front l.h. door 001 Remote control 011 Front r.h. door 002 Fan 003 Control PCB Parts not shown 004 Heat exchanger 013 Installation instructions 005 Bypass damper (complete) 014 Operating instructions 007 Filter set 015 Service instructions...
  • Page 46 Parts list Parts list (cont.) Version 300 and 400 m...
  • Page 47 Commissioning/service reports List of control parameters...
  • Page 48 Commissioning/service reports Commissioning report example...
  • Page 49 Specification Specification Vitovent 300 180 m 300 m 400 m Air flow rate 50 to 180 50 to 300 50 to 400 Max. air flow rate at pres- /h / Pa 180 / 200 300 / 100 400 /100 sure...
  • Page 50 Certificates Declaration of conformity We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm as sole responsible body that the product Vitovent 300 with remote control complies with the following standards: EN 55 014 EN 60 335-1 In accordance with the following Directives, this product is designated with _:...
  • Page 51 Keyword index Keyword index Accessory Factory settings ........
  • Page 52 Symbols in the display ....Applicability Vitovent 300 serial no. 7373 372 7 00001 ... 7373 373 7 00001 ... 7373 374 7 00001 ...

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