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Operation and Installation Manual
Air handling unit with heat recovery
+ duct distributor VARR75-160
AQUILA 305
Air handling unit equipped with Aero 4A ver.2 ventilation controller with NANO COLOR 10 control panel
Applies to models: VAR305L VAR305P
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AWENTA Spółka Jawna, Warszawska 99, 05-300 Stojadła
AWP.VAR305.01A.2023_EN
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Summary of Contents for Awenta PRO AQUILA 305
- Page 1 Air handling unit with heat recovery + duct distributor VARR75-160 AQUILA 305 Air handling unit equipped with Aero 4A ver.2 ventilation controller with NANO COLOR 10 control panel Applies to models: VAR305L VAR305P ________________________________________________________________ AWENTA Spółka Jawna, Warszawska 99, 05-300 Stojadła AWP.VAR305.01A.2023_EN...
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Page 3: Table Of Contents
TABLE OF CONTENTS 1. OPERATOR’S MANUAL 1.1. IMPORTANT INFORMATION/SAFETY INSTRUCTIONS ....................4 1.2. INTENDED USE ................................5 1.3. TRANSPORT AND STORAGE ............................5 1.4. SAFETY MEASURES REGARDING OPERATING OF THE UNIT ..................5 1.5. TECHNICAL SPECIFICATION ............................6 1.6. TECHNICAL DRAWINGS ..............................6 1.7. -
Page 4: Operator's Manual
1. OPERATOR’S MANUAL 1. 1. IMPORTANT INFORMATION Read the Operator’s Manual carefully before installation or any other activity related to work with the unit! AWENTA takes not responsibility for any damage resulting from incorrect operation, non-intended use or unauthorised repairs or modifications of the product. -
Page 5: Intended Use
1.2. INTENDED USE The unit is equipped with a cross-flow plate heat exchanger, electric heater (sold separately) and is designed to save thermal energy by its recuperation, being one of the elements used in energy-saving technology systems. The unit is considered a supplementary device and must not be used as a stand-alone, independent heating source. -
Page 6: Technical Specification
1.5. TECHNICAL SPECIFICATION Specifications: AQUILA 305 Supply voltage 230 V AC / 50Hz Maximum power consumption 210 W Electrical protection class IP protection class IP22 Capacity (at 100 Pa) 313 m Max motor speed 4000 rpm Noise level 49 dB(A) Max. -
Page 7: Basic Components Of The Unit
VARE175 + VARR75-160 1.7. BASIC COMPONENTS OF THE UNIT By-pass damper Counter-flow heat exchanger Drip trays Air filters Controller Air distributor mounting brackets Fans Air distributor Connection pipes Ø160 Connection pipes Ø75 Air handling unit mounting brackets ________________________________________________________________ AQUILA 305 Instruction Manual... -
Page 8: Layout Of Connections
1.8. LAYOUT OF CONNECTIONS – LEFT /RIGHT VERSIONS Left version (standard) Right version Connection ports designation: INTAKE – outdoor air intake duct EXHAUST – used air exhaust duct EXTRACT – duct removing used air from rooms SUPPLY – duct supplying air to rooms ________________________________________________________________ AQUILA 305 Instruction Manual... -
Page 9: Operation Principle
1.9. OPERATION PRINCIPLE Fresh air is drawn in with the air intake located outside the building. Then, using ventilation ducts, the air is transported to the air handling unit. After filtering, it flows to the heat exchanger where heat energy exchange from the exhaust stream takes place. - Page 10 ● CEILING MOUNTING - The unit must be fixed to the ceiling allowing at least 500 mm length from the wall which is required to provide space for the air ducts if the VARR75-160 distribution box is installed. CAUTION: The ceiling to which the air handling unit will be fixed must not be permeable to water. It should effectively protect the unit from flooding even if the building's plumbing system fails.
- Page 11 Draining of condensate Connect the flexible condensate drain pipe to one of the ports of the drip tray, depending on the unit configuration (LEFT/RIGHT). The dia. 32 mm pipe should be bent to form a trap (the height difference between the upper and lower elbow of the trap should be at least 100 mm).
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Page 12: Maintenance
1.12. MAINTENANCE ATTENTION! It Is absolutely necessary to disconnect the control panel from power supply before performing any maintenance operations. ATTENTION! Do not use corrosive chemicals and solvents during any maintenance work. Filter replacement/cleaning Fouled filters increase air flow resistance which reduces the amount of air supplied to the rooms, and increases power consumption by the fans. -
Page 13: Pre-Heater / Secondary Heater
Heat exchanger/fan cleaning procedure ● Remove the locking screws (1); ● Remove the locking screws (1); ● Remove the heat exchanger snap-in shield (2); ● Remove the fixing screws (3); ● Remove the exchanger bracket (4); CAUTION: For the ceiling mounting, the exchanger can slide out after unscrewing the bracket! ●... -
Page 14: Waste Management Notice
1.14. WASTE MANAGEMENT NOTICE Do not dispose of waste electrical equipment with household waste. The crossed-out wheelie bin symbol on this product that it is waste electrical an electronic equipment (WEEE) at the end of its operating life and shall not be disposed with household waste. The crossed-out wheelie bin symbol specifies that the product is subject to obligatory waste segregation schedules for proper disposal. -
Page 15: Nano Color Control Panel
2. NANO COLOR CONTROL PANEL 2.1. OPERATION PRINCIPLE The NANO COLOR determines the set room temperature and ventilation performance based on the selected operating program. Possible programs: ● By clock zones. You can set up two Comfort operation zones and one Out of Home zone (no is one in the apartment). Outside of these zones the Economy zone applies. -
Page 16: Description Of The Main Screen
Installation site The NANO COLOR control panel is installed in the front panel of the air handling unit as a standard. It is possible to relocate or install an additional panel in the desired location in the house. The panel should be installed at the height of about 150 cm from the floor, away from sources of heat (e.g. - Page 17 Fireplace operation mode enabled. Fireplace operation mode disabled. The symbols appear for the enabled thermostat operation with heating and/or cooling. In the INTAKE TEMPERATURE CONTROL MODE, the ROOM option should be set in the ventilation service menu. Signal to other devices that the room is not heated enough and the heating needs to be turned Signal to other devices that the room is at the correct temperature (grey).
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Page 18: Operation Mode
Current work zone (comfort, eco, out of home, holiday). Clock. Press to display the date and time setting screen 2.4. OPERATION MODE When the mode selection button (button 3 of the main screen) is pressed the mode screen appears, depending on the configuration. -
Page 19: Settings
Moves to ventilation information screen. Scheduled mode. Holiday mode. Manual selection of the ventilation operation mode. Enables the OUT OF HOME (NANO1) program. Enables the HOLIDAY program. Switches the BY-PASS to automatic mode, constantly closing or opening it. Switches the ventilation to air mode. The option is invisible when the OUT OF HOME (NANO1) or HOLIDAY mode is on. -
Page 20: Temperature Settings
Click to display the temperature setting screen. APPEARS AFTER THE OPTION HAS BEEN ENABLED. 2.6. TEMPERATURE SETTINGS Clicking the button 6 from the SETTINGS section brings up the following screen. Use the buttons to set the desired temperature. Setting comfort temperature. Setting the economic temperature. -
Page 21: Fireplace Mode
Exhaust temperature. Exhaust fan rpm. Ventilation run. Supply fan rpm. Temperature downstream the AHU Kit (only for the operating diagram 2). Calculated intake temperature. AHU Kit or cooler (only for the operating diagram 2). Secondary heater (when the SECONDARY HEATER CONTROL function is enabled). AO4 rpm. -
Page 22: Changing The System Operation Mode
2.10. CHANGING THE SYSTEM OPERATION MODE Changing the operation mode of the system can be done manually or automatically. The method is selected in the parameter WINTER/SUMMER MODE CHANGE METHOD. In the case of a manual change, the following screen will appear on the main screen when the button 4 is pressed: Activation of the WINTER mode (HEATING). -
Page 23: Sensors
Current system operation mode. Setting the temperature below which the WINTER mode is switched on. Highlighted item means that the parameter can be edited. Sets the temperature above which WINTER mode is switched off. Sets the temperature below which the COOLING mode will turn off. Sets the temperature above which COOLING mode is activated. - Page 24 NOTE: Only one VACS-1 sensor can be connected to the air handling unit. Signalling diode outside the housing: ● 1 green blink / pause - the sensor is working properly ● 2 green blinks / pause - no communication ● Red and green alternating blinks – one of the sensors broke down concentration and VSHC humidity sensor If the maximum air humidity value is exceeded, the fans' speed is increased by 1 stage.
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Page 25: Vex4 Module
2.12. VEX4 MODULE The VEX4 add-on module extends the functionality of the NANO COLOR room panel with additional inputs and outputs. The module can be freely configured to suit your needs. Edit subtitles (visible when the Allow to edit subtitles option is enabled) Exit to the main screen. -
Page 26: Fouled Filter Indication
Activation/deactivation of ventilation Adjusting ventilation speed Open/close the BY-PASS Decrease/increase the current desired temperature 2.14. FOULED FILTER INDICATION Filter fouling can be signalled in 2 ways: 1. Text flashing on the main screen: 2. DIRTY FILTER! text flashing on the VENTILATION INFO CHANGE AIR FILTER screen. -
Page 27: Schedule Settings
2.16. SCHEDULE SETTINGS To access the schedule settings, press HARM in the menu. View of the weekly schedule. Press to move on to the remaining days of the week and holiday schedule settings. By clicking the bar of the selected day schedule you enter the edit window. - Page 28 IN-OUT settings. Configuration EX4 module of additional inputs and Ventilation settings. outputs. Distributor settings. Sensor settings. NANO panel settings. Exit to the main screen. Below, a diagram of the service menu structure is shown: *Detailed description in section 12.17.4 ________________________________________________________________ AQUILA 305 Instruction Manual...
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Page 29: In-Out
2.17.1. IN-OUT EX4 module support Enables operation with an additional VEX4 module. EX4 – D1 input config Configures D1/D2 input settings • None – input not supported, will not be displayed on the outputs screen. • Info only – the input status will only be displayed on the outputs screen. •... - Page 30 Winter/summer change method You can choose from any of the following options: • Manual – the user changes the heating season setting individually. • According to on the outside temperature: ◦ when the thermostat is in WINTER mode, if the outside temperature rises above the set value it will automatically change to the SUMMER mode.
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Page 31: Ventilation
2.17.4. VENTILATION The VENTILATION menu structure is shown below: VENTILATION-AERO 4 Service parameters User parameters Access with service code Access with code 99 Operating diagram Standard OUT OF HOME program Intake temp. ctrl. mode No exclusions Tpom function AHU Kit AO3 speed 1 * 30mPr/30mStop T naw function... - Page 32 Fireplace mode Allows you to work with the fireplace mode. Fireplace mode speed correction Sets the increase in the supply fan rpm relative to the exhaust fan by the value set in this parameter. Gear correction by sensors Enabling this option increases the speed of the supply and exhaust fans on detecting the exceedance of the permissible levels by the sensors.
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Page 33: Sensors
Temp. of air intake corres. to outside temp When this function is activated, the temperature at the air intake is the same as the outside temperature, and this information is transmitted to other units in the C14 system. Function of relay 3 Configuration of R3 relay function: - GHE - CH... -
Page 34: Nano Wireless Network
The iNEXT internet module allows remote control of the air handling unit. The control can be performed via a web browser or by means of the free AWENTA PRO application (available for Android and iOS). The method of connecting the INEXT module is presented in the CONNECTION DIAGRAMS section. -
Page 35: Wiring Diagrams
5. WIRING DIAGRAMS 5.1 ELECTRICAL DIAGRAM OF THE AERO 4 CONTROLLER – version for operation scheme 1. Standard R1 – BY-PASS closing R2 – BY-PASS opening R3 – GHE, heat from thermostat or damper flag (depending on configuration) R4 – heating signal from NANO thermostat (room is cooled down in WINTER mode) R5 –... -
Page 36: Connecting The Nano Color Control Panel
NOTE: Connect the control panel, the INEXT module and the air quality or humidity sensors to the corresponding terminals marked “U-G-B-A” using a 4 x 0.5 300/300 V cable. The total length of the cables should not exceed 30 m. Route the communication cables at least 30 cm away from the 230 VAC supply cables. -
Page 37: Connecting The Nano Color Control Panel With Vacs-1 Air Quality Sensor
5.5. CONNECTING THE NANO COLOR CONTROL PANEL WITH VACS-1 AIR QUALITY SENSOR Note! Only one VACS-1 sensor can be connected to the device. 5.6. CONNECTING THE NANO COLOR CONTROL PANEL WITH THE VSHC or VSHW SENSOR 5.7. CONNECTING THE NANO COLOR CONTROL PANEL WITH VSHC or VSHW and VACS-1 SENSORS Note! Up to 4 VSHC or VSHW sensors and one VACS-1 sensor can be connected to the device. -
Page 38: Connection Of A Preheater And Secondary Heater
5.8. CONNECTION OF A PREHEATER AND SECONDARY HEATER Caution! The preheater and reheater should be supplied from an external power source (do not use connectors inside the air handling unit). The reheater should be installed in the ventilation duct outside the unit. If a preheater is installed, it is necessary to use additional outside temperature sensor located upstream of the heater (connect the sensor instead of a standard outdoor temperature sensor –... - Page 40 Producent: AWENTA Spółka Jawna 05-300 Mińsk Mazowiecki, Stojadła, ul. Warszawska 99, Poland tel: +48 25 758 52 52, +48 25 758 93 92 / fax: +48 25 758 14 62 e-mail: info@awentapro.pl www.awentapro.pl...
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