Komfovent KLASIK User Manual
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Komfovent KLASIK User Manual

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KLASIK
USER MANUAL

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  • Page 1 KLASIK USER MANUAL...

  • Page 3: Table Of Contents

    5. CONTROL AND SETTINGS. COMPUTER ...........................38 5.1. Modes ......................................38 5.1.1. Operation modes..............................39 5.1.2. Flow control modes ..............................39 5.1.3. Temperature control modes ..........................40 5.2. Functions ....................................40 5.2.1. Air quality control (AQC) ............................40 UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 4 6.9. Electrical heater ..................................57 6.10. Gas heater....................................57 6.11. Humidifier ....................................57 6.12. Silencers ....................................57 6.13. Additional works on units for hygienic and sanitary aplications ...............58 7. TROUBLESHOOTING ..................................59 UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 5: Introduction

    KLASIK air handling units are designed for ventilation of large commercial or industrial premises where a standard air temperature and humidity must be maintained. These air handling units are not intended for air flows containing solid particles.

  • Page 6: Before Turning On The Unit

    The air handling unit shall not be turned on without installed and connected protec- tive earthing. In case of any doubts, contact your installer or “Komfovent” representative to make sure that the unit is operational. 2. AIR HANDLING UNIT FUNCTIONS Operation algorithms and functions of the air handling unit are controlled by an integrated automation system.

  • Page 7: Ventilation Modes

    For information on how to select an air flow control method see Chapter “Control and Settings”. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 8: Temperature Control

    AQC function is blocked if any of the following functions are activated at the same time: SNC, MTC, REC, OCV. For information on how to activate this function and set a maintained air quality value see Chapter “Control and Settings”. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 9: Outdoor Compensated Ventilation (Ocv)

    For information on how to activate this function and set a minimum temperature value see Chapter “Control and Settings”. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 10: Operation On Demand (Ood)

    This function runs as long as contacts are closed. When the contacts are open, the unit returns to the previous ventilation mode or stops, if it was stopped before activating the function. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 11: Filter Impurity Indication

    The user sets outdoor temperature limits at which the recirculation damper will be opened proportionally: Winter Winter Summer Summer recirculation recirculation recirculation recirculation stop start start stop Outdoor temperature, °C Fig. 2. REC function operation UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 12: Humidity Control Function (Hum)

    For more information about this function and connection of heating/cooling devices see “Additional zone control C5” Instruction Manual. For information on how to activate this function and set a desired temperature value see Chapter “Con- trol and Settings”. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 13: Multi-Level Frost Prevention

    Cycle time, min. DURATION OF FULL RECUPERATION Outdoor temperature, °C If outdoor temperature drops bellow -15 °C, full recuperation is not done and segments closing/opening intervals are the same. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 14: Combined Water Heater/Cooler

    It is recommended to reduce airflow set point if such situation will appear. This function is active constantly and may only be disabled or changed by a service representative. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 15: Protective Functions

    Depends on configuration. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 16 For proper functioning of the frost protection CF heat exchanger calibration is necessary (see chapter “CF Heat Exchanger Calibration during Commissioning”). Only in CF units. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 17: Control And Settings. Control Panel C5.1

    Touch-sensitive display reacts to soft taps, therefore, do not use any sharp tools (screwdrivers or pens), also do not apply excessive force as it may damage the display. Sold separately. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 18 Increase COMFORT 2 21,0 Current setting ECONOMY 1 Activate mode Change ECONOMY 1 or function Decrease settings 5,0 °C Minimum possible value SPECIAL Con rm Cancel UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 19 Holiday operation mode Fan operation „Override“ mode Air flow increasing by activated function Alarm signal (see chapter Functions) Air flow decreasing by activated function (see chapter Functions) UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 20: Parameter Overview

    Operation counters 22,1 °C Overview Scheduling Outdoor temperature Efficiency status 16,6 °C Water temperature Detailed information 25,3 °C Supply flow 350 m Functions Settings 1 / 3 UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 21: Turning On And Selection Of Ventilation Modes

    Later, a signal is released to fans and a heat exchanger, and the unit starts operating at a selected ventilation mode. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 22: Calibration Of The Cf Heat Exchanger During Commissioning

    1300 m3/h 1300 m3/h 40,0 °C 40,0 °C 1250 1250 21,0 21,0 600 m3/h 600 m3/h 5,0 °C 5,0 °C ettings tings Only in CF units. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 23: Scheduling Window And Ventilation Schedule Settings

    8. Once the schedule is created, activate it by checking “Enable” box and returning to the main window. Standby mode is optional. The device will only operate at a set time. The unit will automatically stop during unspecified periods. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 24 (e.g., stopping the air handling unit in the office during Christmas holidays). Holidays Holidays 2 Operation mode Holidays 1 STANDBY From 12/14 Till 12/26 Delete holiday Add new holiday UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 25: Overview Window

    “Overview” screen shows information about the status of the air handling unit and its devices. Menu Overview Alarms Operation counters Overview Scheduling Efficiency status Filter status Detailed information Functions Settings Displayed only when this function is pre-ordered. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 26 Supply fan Reset air heater 873 h 873 h operation counter? Exhaust fan Exhaust fan 875 h 875 h Recovered energy Recovered energy 1440 kWh 1440 kWh UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 27 Outdoor air filter impurity Outdoor air filter impurity Extract air filter impurity Extract air filter impurity Reset? Clean filters calibration Clean filters calibration Only in CF units. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 28 AHU and other detailed data. Detailed information Supply temperature 21,9 °C Extract temperature 22,1 °C Outdoor temperature 16,6 °C Water temperature 25,3 °C Supply flow 350 m 1 / 3 UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 29: Functions

    Air quality control Enable Setpoint 1 1000 ppm Mode 1 COMFORT 1 Setpoint 2 880 ppm Mode 2 COMFORT 2 Reset settings UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 30 Setting two indoor temperatures for the function to start running and stop. Summer night cooling Enable Start when indoor 25 °C Stop when indoor 20 °C Reset settings UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 31 Mode 1 COMFORT 1 COMFORT 1 Setpoint 2 Setpoint 2 30% RH 8 g/m3 Mode 2 Mode 2 ECONOMY 2 ECONOMY 2 Reset settings Reset settings UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 32 1st additional zone c... Enable Setpoint 22.0 °C Reset settings Displayed only when this function is pre-ordered. This function only runs when optional additional zone modules are connected. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 33: Settings

    Flow units Flow control Air handling unit Screen saver Air quality Panel lock Time/Date Touch sound Connectivity Reset settings Click Personalization 1 / 2 2 / 2 UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 34: Air Handling Unit

    Flow control VAV Double • Air quality Selected air quality sensor type is used in AQC, OOD and REC functions by air quality. Sensor type VOCq VOCp UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 35 ± 5 ° C and the humidity within ± 10% range. Panel sensor calibration Temperature correction Humidity correction Temperature correction 5,0 °C 10,0%RH °C Humidity correction 0,0%RH 0,0°C -5,0 °C -10,0%RH UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 36: Customization

    Time Enable Brightness Panel temperature Row 1 Panel humidity Time Row 2 100% Supply temperature Panel temperature Row 3 Extract temperature Panel humidity 1 / 2 UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 37 (see Chapter “Control via Computer”). Panel lock • Touch sounds You can turn on/off touch sounds. Two types of touch sounds are available. Touch sound Click Beep UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 38: Control And Settings. Computer

    If You forgot a changed password, it can be reset to the initial “user” from the control panel (Settings→Air handling unit→Reset set- tings). Displayed unit diagram depends on the unit type and ordered components. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 39: Operation Modes

    Recirculation Humidifying 5.1.2. Flow control modes Selecting an air flow control method for controlling fan speed (see Chapter 2.2 “Air Flow Control”). FLOW CONTROL MODE Mode UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 40: Temperature Control Modes

    If the unit operates in a different ventilation mode than the one set, air quality control function will be disabled automatically. AIR QUALITY CONTROL (AQC) Enable Setpoint 1 Mode 1 Economy1 Setpoint 2 1200 Mode 2 Comfort1 UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 41: Outdoor Compensated Ventilation (Ocv)

    Setting two indoor temperatures for the function to start running and stop. SUMMER NIGHT COOLING (SNC) Enable 25.0 °C Start when indoor Stop when indoor 25.0 °C UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 42: Override Function (Ovr)

    Enable Setpoint 1 Min. fresh air 1 Comfort1 Mode 1 Setpoint 2 Min. fresh air 1 Mode 2 Comfort2 Displayed only when this function is pre-ordered. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 43 Control by external signal Recirculation damper position is set for open (main recirculation) and closed (activated recirculation) control signal contacts. RECIRCULATION CONTROL (REC) Enable Default recirculation Activated recirculation UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 44: Humidity Control (Hum)

    °C Supply temperature °C Heating Cooling 0.0 % Displayed only when this function is pre-ordered. This function only works when optional additional zone modules are connected. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 45: Water Heater/Cooler

    “Reset”. For more information see Chapter 8. “Troubleshooting”. ACTUAL ALARMS 119A: Communication error 118A: Communication error 117A: Communication error 127B: Service mode Reset UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 46: Alarm History

    2227 kWh Reset 5.3.4. Efficiency status EFFICIENCY STATUS Heat exchanger thermal efficiency Heat exchanger recovery 8.6 W Thermal energy saving 100 % CF exchanger calibration Calibrated UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 47: Filter Status

    This window is intended for VAV mode calibration. Calibration must be performed by a qualified special- ist in accordance with a separate “VAV Function Installation Instruction”. VAV STATUS VAV mode Double VAV calibration Only in CF units. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 48: Controller Status

    There is no need to set periods for stopping the unit. OPERATION PROGRAM Mo Tu We Th Sa Su Start Stop Mode Comfort1 Economy2 Special Comfort2 UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 49: Holidays

    DATE/TIME CONNECTIVITY USER INTERFACE LOGIN PASSWORD SETTINGS RESET Save Displayed only when this function is pre-ordered. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 50: Date/Time

    This will facilitate distinguishing the units. USER INTERFACE Language English Flow units m³/h AHU name Komfovent UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 51: Log-In Password

    Write down the computer network parameters before restoring factory settings (see Menu “Connectivity”), as these settings will also be reset and communication with the air handling unit may be lost until re-configuration. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 52: Periodic Maintenance

    Cleaning of the impeller Motor overheat protection 6.4. Rotary heat exchanger Belt inspection Motor operation Drum brushes and seals Free rotation and bearings of the drum Drum cleaning UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 53 Cleaning and disinfection of outer surfaces after installation Disinfection of condensate trays and drainage Cleaning and disinfection of drip trays and drop eliminators KLASIK 8 and larger units. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 54: Housing

    If differential pressure sensors are installed, check them for proper operation; check whether their pressure tubes are clean/intact. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 55: Fans

    Check operation of a motor overheat protection, if installed. Turn on the ventilation device and check whether the fans are rotating to the desired direction and the rotation speed alternates depending on the automation settings. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 56: Rotary Heat Exchanger

    Replace, if needed. Check the drum belt. Worn belt may slide without turning the drum at the proper speed. Worn or torn belts must be replaced. For KLASIK 8 and larger units, check the tilt of the rotor wheel and adjust if necessary (see “Installation Manual” Appendix No.1).

  • Page 57: Direct Evaporation Cooler/Heater (Dx)

    Silencers shall be disassembled for cleaning. Metal parts can be cleaned with a damp cloth. Noise sup- pression elements shall be cleaned with a vacuum cleaner. Washing or cleaning with damp products is not allowed. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 58: Additional Works On Units For Hygienic And Sanitary Aplications

    • After washing, inner surfaces must be disinfected before starting the unit. • Location and construction of the components are described in the “Installation manual”. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...

  • Page 59: Troubleshooting

    Change outdoor air Contaminated outdoor air filters. Replace the air handling unit filters. filter Change extract air Contaminated exhaust air filters. Replace the air handling unit filters. filter UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 60 1. Internal temperature is above 1. Locate the heat source in the ductwork Internal fire alarm 50°C or unit. 2. Faulty temperature sensor. 2. Contact authorised service. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 61 3. Faulty exhaust air fan sensors. If VAV mode is not necessary – select CAV or DCV in the settings. 3. Contact authorised service. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 62 Supply air fan or frequency connected between the unit sections. 99A-103A Supply fan failure converter not working. 2. Check the fan circuit breakers. 3. Contact authorised service. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 63 1. Check connection of external devices or 126A Controller failure defective external devices. contact the representative of the installer. 2. Faulty C5 controller. 2. Contact authorised service. UAB KOMFOVENT we reserve the right to make changes without prior notice KLASIK_user manual_24-03...
  • Page 64 SERVICE AND SUPPORT PARTNERS LITHUANIA J. PICHLER Gesellschaft m. b. H. www.pichlerluft.at UAB KOMFOVENT Phone: +370 5 200 8000 Ventilair group www.ventilairgroup.com service@komfovent.com ACB Airconditioning www.acbairco.be www.komfovent.com REKUVENT s.r.o. www.rekuvent.cz FINLAND Komfovent Oy WESCO AG www.wesco.ch Muuntotie 1 C1 FI-01 510 Vantaa, Finland SUDCLIMATAIR SA www.sudclimatair.ch...

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