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

Domestic ventilation system with heat recovery for a max. air flow rate
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VIESMANN
Service instructions
for contractors
Vitovent 300
Domestic ventilation system with heat recovery
3
3
3
for a max. air flow rate 180 m
/h, 300 m
/h, 400 m
/h
For applicability, see the last page
VITOVENT 300
Please keep safe.
5608 999 GB
1/2012

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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 for a max. air flow rate 180 m /h, 300 m /h, 400 m For applicability, see the last page VITOVENT 300 Please keep safe. 5608 999 GB...
  • Page 2 Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and mate- rial 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, VDE and risk of injury.
  • Page 3 Please note Repairing components that fulfil a safety function can compromise the safe operation of your sys- tem. Replace faulty components only with original Viessmann spare parts. Auxiliary components, spare and wearing parts Please note Spare and wearing parts that...
  • Page 4 Index Index Application......................Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance.......... Further details regarding the individual steps............Remote control Setting parameters....................41 Reinstating the delivered condition..............45 Troubleshooting Diagnosis at the remote control................46 Repairs......................... 48 Connection and wiring diagram................ 50 Parts lists Parts list, Vitovent with max.
  • Page 5 ■ Ventilation of rooms via ducted supply air and extract air systems Any other use is considered inappropri- ate. Note The Vitovent 300 is intended exclusively for domestic use, i.e. even users who have not had any instruction are able to operate the appliance safely.

  • Page 6: 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. Checking the domestic ventilation system....• • • 2. Starting the Vitovent............•...

  • Page 7: Checking The Domestic Ventilation System

    Commissioning, inspection, maintenance Further details regarding the individual steps Checking the domestic ventilation system Danger Information regarding the operation The simultaneous operation of of the Vitovent in conjunction with open flue combustion equipment open flue combustion equipment (e.g. an open fireplace) and the ■...

  • Page 8: Starting The Vitovent

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) We recommend the domestic ventila- ■ Correct appliance siting and fitting of tion system is checked for the follow- ducts, silencers, air distribution boxes, ing characteristics: supply and extract air apertures. ■...

  • Page 9: Setting The Air Flow Rate For Operating Modes

    8. "ESC" to exit the menu after setting 3. d to confirm. the air flow rates. 4. xw for "Parameter". Delivered condition: Vitovent 300 for max. air flow rate Reduced ventilation Standard ventilation Higher ventilation This setting can be adjusted to meet rel-...

  • Page 10: Duct System (Flat) Metal: Pre-Selecting The Supply/ Extract Air Apertures

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Setting ranges (variable): Vitovent 300 for max. air flow rate Reduced ventilation 50 to 170 50 to 290 50 to 390 Standard ventilation 50 to 175 50 to 295 50 to 395...
  • Page 11 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Air flow rate in m³/h A Number of unrestricted apertures 1. Determine the number of apertures 2. Set the number of apertures A at the from the diagram subject to the inten- supply air aperture for setting into a ded pressure drop and air flow rate.
  • Page 12 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Supply air valve for setting into a ceiling (DN 100, DN 125) Note ■ The air discharge angle can be increased by removing the air deflec- tor B, i.e. from 180° to 360° (e.g. when setting the valve in the centre of a room).
  • Page 13 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) DN 100, air discharge angle 180° (with deflector) Air flow rate in m³/h A Annular gap size in mm...
  • Page 14 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) DN 100, air discharge angle 360° (without deflector) Air flow rate in m³/h A Annular gap size in mm...
  • Page 15 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) DN 125, air discharge angle 180° (with deflector) Air flow rate in m³/h A Annular gap size in mm...
  • Page 16 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) DN 125, air discharge angle 360° (without deflector) Air flow rate in m³/h A Annular gap size in mm 2. Set the determined annular gap A at 1. Determine the required annular gap from the diagram subject to the inten- the supply air valve for setting into a ded pressure drop and air flow rate...
  • Page 17 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Floor outlet Max. flow rate: 35 m A Aperture width...
  • Page 18 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 32.5 27.5 22.5 17.5 12.5 Air flow rate in m³/h A Aperture width in mm 1. Determine the required aperture 2. Remove the grille from the floor out- width for the floor outlet from the dia- let.
  • Page 19 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Slotted outlet with connection box Max. flow rate: 35 m A Aperture width 22.5 17.5 12.5 Air flow rate in m³/h A Aperture width in mm 1. Determine the required aperture 2.
  • Page 20 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Record the value in the commission- ing report. Setting the air discharge angle Subject to the installation position, the air discharge angle can be set to 180° or 360°. A Air discharge angle B Scaled rotary selector C Slider on the back of the slotted out-...
  • Page 21 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Installation position Setting the rotary selectors Ceiling installation Set all rotary selectors to "6" Set half of the rotary selectors to "1/A" and the other half to "F/6" Extract air valve for setting into a wall or ceiling (DN 100, DN 125) A Valve cone adjustment in mm Nominal diameter Dimension a in...
  • Page 22 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) DN 100 Air flow rate in m³/h A Valve cone setting in mm...
  • Page 23 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) DN 125 Air flow rate in m³/h A Valve cone setting in mm 1. Determine the required valve cone 2. Set the determined valve cone posi- tion A at the extract air valve for set- setting from the diagram (for DN 100 or DN 125) subject to the ting into a wall or ceiling.
  • Page 24 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Kitchen extract air valve DN 100 Max. flow rate: 60 m...
  • Page 25 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 50 60 Air flow rate in m³/h A-E Pressure drop curves for valve settings: A Open, clear cross-section 50 % E Closed...
  • Page 26 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Determine the required valve setting from the diagram subject to the inten- ded pressure drop and air flow rate for the section. Example: The design provides the following details for the part section: ■...
  • Page 27 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 50 60 Air flow rate in m³/h A-E Pressure drop curves for valve settings: A Open, clear cross-section 50 % E Closed...

  • Page 28: Duct System (Flat) Plastic: Pre-Selecting The Supply/Extract Air Apertures

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Determine the required valve setting from the diagram subject to the inten- ded pressure drop and air flow rate for the section. Example: The design provides the following details for the part section: ■...
  • Page 29 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) A DN 125 B DN 160 C DN 180...
  • Page 30 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 300 400 40 50 Air flow rate in m³/h Pressure drop in the supply air flow with constantly connected flat duct connectors, without restrictors. A DN 125 C DN 180 B DN 160...
  • Page 31 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Opening the supply air valve Regarding step 2: Open the supply air valve to the end of the scale.
  • Page 32 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Setting the air discharge angle at the supply air valve Inserting the deflector (supplied with the supply air valve) enables the air dis- charge angle to be reduced from 360° to 180°...
  • Page 33 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Opening the extract air valve Regarding step 2: Open the extract air valve to the end of the scale.

  • Page 34: Adjusting The Air Flow Rate

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Adjusting the air flow rate 2. With an impeller air speed meter, check the air velocity (or the flow rate directly) at the supply air and extract air valves (observe the instructions issued by the manufacturer of the test equipment).
  • Page 35 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Carry out a second measurement Note and check the readjustment. Adjusting the air volumes using an impel- Record the new values in the com- ler air speed meter cannot provide high missioning report.

  • Page 36: Shutting Down The System

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Aperture width in mm Actual air speed in m/s Air flow rate in m 12.80 18.90 25.20 13.86 20.79 27.72 15.12 22.88 30.24 16.38 24.57 32.76 17.64 26.46 36.28 18.90 28.36 37.80 Shutting down the system...

  • Page 37: Opening The Appliance

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Opening the appliance...

  • Page 38: Cleaning Vitovent, Countercurrent Heat Exchanger And Filter Mats (Replacing If Required)

    Further details regarding the individual steps (cont.) Cleaning Vitovent, countercurrent heat exchanger and filter mats (replacing if required) HG F Vitovent 300 for max. air flow rate 180 m Vitovent 300 for max. air flow rate 300 m /h or 400 m...
  • Page 39 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Please note 5. Wipe the inside of the Vitovent with a Mechanical stress can result damp cloth; clean with a vacuum in damage to the fins of the cleaner if necessary. countercurrent heat exchanger.

  • Page 40: Cleaning The Plastic Duct System (Flat)

    Never touch the plastic fins of the countercurrent heat exchanger. Push the countercurrent heat exchanger into the Vitovent 300 using the plastic handle. Instructing the system user The system installer must hand the oper- ating instructions to the system user and instruct the user in the operation of the system.
  • Page 41 Remote control Setting parameters 6. xw to change the value Please note Incorrect adjustments can result in interruption of operations. Note Settings must only be made/ Only flashing values can be changed by a qualified contrac- changed. tor. Non-flashing values are Incorrect operation by system operating data.
  • Page 42 300 50 to 400 m 400 m Set outdoor air temperature for closing 10 5 to 20 °C the bypass in °C (only for Vitovent 300 for max. air flow rate 300 m /h or 400 m The bypass is closed (active heat recov-...
  • Page 43 Description condition Set extract air temperature for opening 22 18 to 30 °C the bypass in °C (only for Vitovent 300 for max. air flow rate 300 m /h or 400 m The bypass is open (disabled heat recovery) when all of the following con- ditions are met: ■...
  • Page 44 Remote control Setting parameters (cont.) Param Delivered Setting range eters Description condition Enabling or disabling frost stat circuit. 1 0: Disabled Below an outdoor air temperature of 1: Enabled 0 °C, the speed of the supply air fan is reduced variably, possibly until it stops completely, when the frost stat circuit has been enabled.
  • Page 45 Remote control Setting parameters (cont.) Param Delivered Setting range eters Description condition Vitovent operation 0 0: Constant flow Regulating to a constant flow rate rate 1: Do not adjust Filter change display 1 0: OFF 1: ON Auxiliary PCB 0 0: No When using the CO /humidity sensor 1: Yes...
  • Page 46 Troubleshooting Diagnosis at the remote control Calling up operating data 1. Set the rotary program selector to 7. d to confirm a selected value. "MENU". 8. "ESC" to exit the menu. 2. xw for "Service". The default display will be shown again 3.
  • Page 47 Troubleshooting Diagnosis at the remote control (cont.) Param Meaning Value range eters Bypass position 0 Bypass closed 1 Bypass automatic 2 Supply air min. Outdoor air temperature -100 to +100 °C Extract air temperature, actual -100 to +100 °C value Supply air flow rate, actual value 0 to 400 m Extract air flow rate, actual value...
  • Page 48 Troubleshooting Diagnosis at the remote control (cont.) Code Cause Measure Extract air tempera- Check sensor leads to the control PCB. ture sensor faulty. Check sensor; replace if necessary. FILTER No fault; the appli- Clean the Vitovent filter mats in accordance with the CHECK ance continues to details on page 38 or replace them and/or replace...
  • Page 49 Troubleshooting Repairs (cont.) Fuses The fuses are on the control PCB (see page 50). F1: 2 A (slow), 250 V~ max. power loss ≤ 1.6 W F4: 5 A (slow), 250 V~ max. power loss ≤ 2.5 W...
  • Page 50 Connection and wiring diagram Connection and wiring diagram Control PCB A Power supply 230 V/50 Hz G Extract air temperature sensor Pt 500 B Extract air fan H Motor bypass damper C Supply air fan K To the auxiliary PCB, terminal X6 D OpenTherm BUS connection L To the auxiliary PCB, terminal X10 E Remote control...
  • Page 51 Connection and wiring diagram Connection and wiring diagram (cont.) Auxiliary PCB K To control PCB, terminal X12 R Terminals X1.5/X1.6: Connection for interlock system to L To control PCB, terminal X13 lock-out the Vitovent in the case of M CO /humidity sensor, supply volt- negative pressure inside the room age 24 V~...
  • Page 52 0022 Plastic handle for heat exchanger 0001 Remote control 0023 Condensate drain elbow 0024 Wall mounting bracket 0002 Fan Vitovent 300 0003 Control PCB 0004 Heat exchanger 0025 Metal frame for extract air filter G4 0028 Fine filter set F7/G4...
  • Page 53 Parts lists Parts list, Vitovent with max. air flow rate 180 m (cont.)
  • Page 54 0023 Condensate drain elbow 0002 Fan 0024 Wall mounting bracket 0003 Control PCB 0004 Heat exchanger Vitovent 300 0025 Metal frame for extract air filter G4 0005 Bypass damper (complete) 0028 Fine filter set F7/G4 0007 Coarse filter set G3...
  • Page 55 Parts lists Parts list, Vitovent with max. air flow rate … (cont.)
  • Page 56 Commissioning/service reports Commissioning report...
  • Page 57 Commissioning/service reports Commissioning report example...
  • Page 58 Specification Specification Vitovent 300 for max. air flow rate Air flow rate setting range (varia- ble) Reduced ventilation 50 - 170 50 - 290 50 - 390 Standard ventilation 50 - 175 50 - 295 50 - 395 Higher ventilation...
  • Page 59 Certificates Declaration of conformity We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm as sole respon- sible body that the product Vitovent 300 with remote control complies with the following standards: EN 55 014-1 EN 61 000-3-2 EN 55 014-2 EN 61 000-3-3...
  • Page 60 Keyword index Keyword index Adjusting the air flow rate....34 Casing..........58 Air discharge angle......12 Cleaning Air discharge angle, slotted outlet..20 ■ Countercurrent heat exchanger..39 ■ For setting into a ceiling....21 ■ Duct system........8 ■ For wall installation......20 ■ Filter..........38 Air discharge angle, supply air valve. 32 Combustion air interconnection...7 Air distribution box......28 Combustion equipment...
  • Page 61 Keyword index Keyword index (cont.) Extract air apertures, setting..10, 28 Heat recovery level......58 Extract air fan Higher ventilation......9, 10 ■ Electrical connection.......50 Hysteresis for bypass damper...44 Extract air fan does not work.....47 Extract air flow rate......47 Extract air temperature......47 Impeller air speed meter....34 Extract air temperature sensor faulty.
  • Page 62 Keyword index Keyword index (cont.) Operation Remote control.......41, 52, 54 ■ With combustion equipment.....7 ■ Calling up operating data....46 ■ With extractor hoods......7 ■ Diagnosis........46 Ordering parts........54 ■ Electrical connection.......50 Outdoor air temperature.....47 ■ Setting parameters......41 Outdoor air temperature sensor Reports..........56 ■...
  • Page 63 Keyword index Keyword index (cont.) Supply air fan does not work....47 Time.............8 Supply air flow rate......47 Type plate........52, 54 Supply air valve for setting into a ceiling ■ Annular gap..12, 13, 14, 15, 16, 21 Supply air valve for setting into a wall Valve cone setting ■...
  • Page 64 Applicability Serial number: 7373372 7373373 7373374 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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