4�3�2� Heating / cooling ��������������������������������������������������������������������������������������������������������������������������������������������������������21 4�3�3� Domestic hot water ���������������������������������������������������������������������������������������������������������������������������������������������������23 4�3�4� Ventilation ���������������������������������������������������������������������������������������������������������������������������������������������������������������������24 4�3�5� ECO ����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������26 4�3�6� General settings ����������������������������������������������������������������������������������������������������������������������������������������������������������27 5. TROUBLESHOOTING ������������������������������������������������������������������������������������������������������������������������������������������������������������������29 6. PERIODICAL MAINTENANCE �������������������������������������������������������������������������������������������������������������������������������������������������35 6�1� Filter replacement ������������������������������������������������������������������������������������������������������������������������������������������������������������������36 KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
WEEE scheme or your household waste disposal service� KOMBI unit is composed of 3 parts: air handling unit, heat pump and hot water system� All systems can operate independently or in combination based on user’s settings�...
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If a heat exchanger alone is not capable of reaching a de- sired temperature, hot or cold water form the heat pump is additionally used� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
All operating mode parameters are pre-programmed, but the user can change these settings as re- quired� Switching off individual units in different operation modes of the KOMBI unit is also possible (venti- lation, domestic hot water preparation or underfloor heating system)�...
2.2. Indoor heating / cooling KOMBI unit maintains indoor temperature by regulating the temperature of supplied air and water for the underfloor heating system� Indoor temperature is measured by a temperature sensor installed inside the air handling unit or a control panel� Also, the user can set the temperature of water circulating in the under- floor heating system directly, for example when temperature is regulated by room thermostats�...
CO2 – carbon dioxide concentration sensor [0���2000 ppm]; VOC – air quality sensor [0���100 %]� Type of connected sensors and range of ventilation intensity may be modified (see “Settings”)� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
2.4. Hot water production KOMBI unit has an integrated domestic hot water tank� The water in the tank is heated by a heat pump according to the temperature set by the user� When this temperature is reached, the heat pump is switched off (except in cases when underfloor heating or heating of supplied air is necessary) and will not turn on until the water cools down�...
3. UNIT CONTROL The easiest way to turn on or off the KOMBI unit – press the button on the indicator bar of the unit� Hold the button for 5 seconds to turn on or turn off the unit� When turned on with this button, the unit will oper- ate in the mode and use the settings that were last selected on the control panel�...
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3� Confirm the message that appears� 4� Press a return icon at the top of the window to return to the main screen� Menu Menu Overview Overview OFF? Scheduling Scheduling Settings Settings KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
3.1. Control panel KOMBI controller has a colour touchscreen, where many of the unit’s functions and settings can be dis- played and changed� If the unit is connected to the mains, the control panel will display the home screen or screen saver that you can switch off with a single tap�...
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Exhaust air Relative humidity Compressor Air damper temperature in control panel Rotary heat Hot water Filter Circulation pump exchanger temperature contamination Fig. 3. Control panel symbols KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
21,8 °C 30 % Panel temperature Domestic hot water temp. Panel humidity Outdoor temperature 20 % °C 45.0 °C Air humidity: Sensor 1 Extract air temperature AUTO KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
S c h e d u l i n g 60 °C 50 % 23 °C AUTO More information on how to set a weekly schedule see in section “Scheduling window”� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
To enter the controller menu, press menu button at the bottom of the main screen� 16:30 Menu Overview Scheduling A W A Y Settings 49 °C 20 % 21.5 °C AUTO KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
4.1. Overview window In the OWERVIEW window you can monitor operation of KOMBI systems, current efficiency and energy consumption as well as find relevant error messages� Menu Overview Detailed information Overview Efficiency & consumption Scheduling Energy counters Alarms Settings Detailed information...
4.2. Scheduling window Use this window to set up a weekly schedule� KOMBI unit uses two different weekly schedules – one for the heating and one for the cooling season� When you change the season (see “Setting heating and cooling seasons”), the weekly schedule changes automatically�...
Most of the parameters are preset at the factory, but can be adjusted at the “Settings” menu item if necessary� Settings Operation modes Heating/Cooling Domestic hot water Ventilation General KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
Advanced settings FIREPLACE Select a desired operation mode and change necessary parameters� See “KOMBI unit functions” for more information about operation modes and recommendations for use of these modes� If changing the main parameters of the mode is not enough, press button “Advanced settings” at the bottom of the window�...
Only in Override, Kitchen and Fireplace modes� Only in Override, Kitchen and Fireplace modes� Only in Override, Kitchen and Fireplace modes� Only in Quiet mode� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
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KOMBI unit has an integrated floor condensation prevention feature, therefore, in some cases the actual water temperature may be higher than the minimum set by the user. KOMFOVENT UAB reserves the right to change information without prior notice.
During hot water system disinfection very hot water circulates in the system, so do not use hot water or handle it with extreme caution while the function is running. Other- wise, you could injure yourself or others. KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
4.3.4. Ventilation Here you will find the AHU settings� Ventilation Temperature control Air quality control Ventilation limits Filters Scheduling Depending on the order� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
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Test period 2 Hours Ventilation limits Ventilation limits The maximum air volume is set to which all ventilation functions and Max air flow modes are limited� 100 % KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
In this menu you can El. heater blocking decide which saving functions to use when the unit runs in ECO mode� Cooler blocking Free cooling KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
AHU name Year Advanced Komfovent 2023 Language Touch sound Panel sensor calibration English Click Flow units Alarms sound Time Screen saver 09:22 Panel lock Month/Day None 01/01 KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
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DHCP option automatically assigns a free IP address in the local network (do not use this option if you con- nect your computer directly to the unit)� Here you can also reset the user password which is used to log in to the “Komfovent Control” app for controlling your air handling unit via your mobile phone� Connectivity...
Air handling unit rotating� temperature the rotor drum� Check if the 3� Faulty air temperature rotor belt is not torn� sensor� 3� Contact authorised service� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
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Controller failure Air handling unit (air quality sensors, dampers, external devices or contact etc�)� the representative of the 3� Faulty main electronics installer� board� 3� Contact authorised service� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
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2� Contact authorised service� Check automatic circuit Faulty controller electronic breakers or contact Communication error KOMBI unit or no connection between an authorized service controller electronics� representative� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
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2� Contact authorised service� converter malfunctioning� 1� System pressure outside 1� Contact authorised service� From envelope alarm Heat pump the critical limits� 2� Contact authorised service� 2� Faulty pressure sensor� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
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Heat pump and hot Faulty controller electronic KOMBI module breakers or contact water production or no connection between communication error an authorized service system controller electronics� representative� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
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Control panel sensors located in the control and cables� Replace the failure panel� control panel, if needed� 154–158 Update failure KOMBI unit Failed software update� Contact authorised service� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
6. PERIODICAL MAINTENANCE For proper operation of the KOMBI unit, it should be periodically inspected, the air filters replaced in due time and the interior of the unit cleaned� The user can perform some of the maintenance works, other works must be performed only by a qualified specialist�...
Check tightness of the piping of heat pump and hot water preparation systems� 12 months representative Check the floor and domestic water system components connected to the KOMBI User or qualified 12 months unit (manifolds, expansion vessels) according to the manufacturer’s instructions�...
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Various modification are available, but images show only one access side, your device may look different from the one shown� Layout of filters and components is also presented in the “Installation manual“� KOMFOVENT UAB reserves the right to change information without prior notice. KOMBI_user manual_24-01...
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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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