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- Page 1 GUIDE FOR INSTALLATION, USE AND MAINTENANCE indoor air quality and energy saving indoor air quality and energy saving AURA/ AURA evo HEAT RECOVERY VENTILATION UNITS for RESIDENTIAL BUILDINGS...
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Page 2: Table Of Contents
Dear Customer Thank you for your interest in UTEK. Our product is designed and manufactured to provide the User with real values: Quality, Safety and Saving on consumption. UTEK S.r.l. TABLE OF CONTENTS GENERAL INFORMATION INTRODUCTION pag.3 FUNDAMENTAL SAFETY RULES pag.3... -
Page 3: General Information
1. GENERAL INFORMATION -Do not leave the packaging material within the reach of children as it could represent a potential source of harm. 1.1 INTRODUCTION -Maintain a safe distance between the machine and other The purpose of this manual is to easily guide you through the equipment to allow sufficient room for maintenance and installation and management of your device. -
Page 4: Compliance
OPERATION The heat recovery ventilator has the following characteristi- To prevent any risk of electrocution, switch off the unit before carrying out any Melectrical connections and maintenance - It promotes ventilation inside residential buildings by provi- operations. ding fresh air into the rooms and extracting excessive moistu- re and bad smells. -
Page 5: Precautions Before Starting The Unit
The supply includes: MASTER AND SLAVE VERSION ONLY MASTER VERSION 1 – Ventilating unit 2 – Ceramic heat exchanger 3 – Telescopic duct 4 – External grille 5 - Control unit 6 - Power supply ACCESSORIES: – Predisposing kit – Unit insulation kit - Corner exit kit - Fixing wall template - External aesthetic grid... -
Page 6: Installation Of The Unit
INSTALLATION OF THE UNIT The installation of this unit must be performed in compliance with the national and local laws and regulations governing the use of electri- cal devices and according to the following instructions: -Install the unit inside residential buildings with ambient temperature between 0°C and 45°C. -Avoid areas near heat sources, vapour, flammable and/or explosive gases and dusty areas. - Page 7 Pull out the exchanger from the telescopic pipe through the proper handle. HEAT EXCHANGER INTERNAL DUCT HANDLE EXTERNAL DUCT Cover the hole with cement-based mortar or polyurethane foam. Insert the telescopic duct inside the hole and flush the side of the external duct (with greater diameter) with the external wall.
- Page 8 Foglio dimensioni ingombro tas s ativamente la riproduzione e la G :\ I nventor\ Ambiente I nventor\ 2013\ T emplates\ Utek.idw 1 / 1 divulgazione a terzi. Break the area for wiring passage (2); in case of external wiring, break the areas (3) foreseen on the motor holder and cover.
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Page 9: Electrical Connections
ELECTRICAL CONNECTIONS GENERAL INFORMATION -Disconnect the unit from the power supply before carrying out any electrical connections. -Refer to the wiring diagram attached to this manual to carry out the necessary electrical connections. -Make sure that all electrical components chosen for the installation (master switch, circuit breakers, cable cross-section and terminals) fit the power of the installed unit and that they take into account the highest reachable load. - Page 10 UNIT WIRING DIAGRAM Connect up to 4 motors to the control unit. The connection is carried out through two dedicated outputs on which two motors are connected in parallel. The first output: 3-4- Power supply of the first and second motor 5-6- Control signals of the first and second motor 7-8- Power supply of the third and fourth motor 9-10- Control signals of the third and fourth motor...
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Page 11: Electronic Version Configuration
ELECTRONIC VERSION - CONFIGURATION The unit is already connected with your remote controller, otherwise see page 21 UNIT SLAVE CONFIGURATION NOTE - the slave configuration can be effected only after the complete configuration of master unit 1 Press the info button for at least 5 seconds. The central reporting LED will flash quickly, as shown in the beside figure, indicating the configuration. 2 go near with the remote control on the first slave to be configured. - Page 12 3 When coupled the slave will light, flashing alternately, the led OUT, only extraction (led on the left), and the led IN, only input(central), alternating with the LED IN/OUT of the automatic cycle (right). Max 5 cm. Now it will be possible to select the operating mode of the unit compared to the master unit: input/extraction cicle. -IIf you want that the unit recovery operation rotates in the opposite direction to the master, Press the out button (extraction) as in column A, up to which the fan starts to rotate.
- Page 13 6 Exit the slave configuration procedure by pressing the ON / OFF button. The info's LED will not flash more quickly, thus signaling the exit from the slave configu- ration mode. PROCEDURE RESET/DECOUPLING OF SLAVE 1 Keep pressed the ON / OFF button and wait for the central LED will start to flash rapidly. lhe central signaling LED will flash fast as shown in the picture below, indicating the configuration state 2 After a few seconds, the remote control will show a sequence of LEDs as shown in the central figure.
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Page 14: Start-Up And Use
ELECTRICAL DIAGRAM UNIT - ELECTRONIC VERSION Connect the power supply 230/1/50 to each installed unit. Communication between devices is through wirless communications. There will be 'a master device with included remote and more slave unit (up to 16) that will work commanded by the generated network from the master. do the hole do the hole 230V... - Page 15 The adjusting knob enables you to adjust the duration of the air inlet/extraction cycle from a minimum of 30 seconds to a maximum of 200 seconds, depending on the difference in temperature between inside and outside. If the difference in temperature between inside and outside is high, the cycle duration should be as short as possible to guarantee the highest thermal performance.
- Page 16 UNLOCK / REACTIVATION REMOTE CONTROL 1 After three minutes of inactivity, the remote control, to save energy enters in Sleep mode. 2 Press the info button for at least 2 seconds to activate and unlock the remote control. 3 The remote control is ready to commands. READY ON OFF UNIT / SELECTION PROCEDURES AND SPEED 1 To activate the unit, first select the desired mode between extraction, input and cycle...
- Page 17 AUTOMATIC OPERATION 1 Press the Auto button, the unit enter in automatic mode. In this mode, the Master fan unit It detects the environmental parameters (temperature, umidity and brightness) and making procedures and elaborations, mentioned below, to ensure the best environmental comfort. Every single slave adjusts the fan depending of its light and humidity sensors.
- Page 18 ISETTING OF PARAMETERS (THRESHOLD HUMIDITY 'ACTIVATION AND LIGHT OPERATION) 1 Keep pressed the AUTO button until the central LED does not blink fast. The central signaling LED will flash 'quickl which indicates the entering to the configu- ration parameters Now it will be possible to set: -the humidity level for dehumidification function -activation or deactivation of the light function 2 The remote control will show fixed LEDs to indicate, through the three-speed fan, indicates the setting of humidity threshold between:...
- Page 19 STARTING UNIT CONTROL - ELECTRONIC VERSION The control unit for the electronic version is supplied with CR3032 batteries...
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Page 20: Maintenance
MAINTENANCE To guarantee always the correct operation of the unit, is necessary to periodically perform all the maintenance operations. CLEANING OR CHANGING FILTERS - disconnect the power supply fan unit - unhook the cover from the motor support by pressing on the side holes (1) with a small screwdriver (as shown below) - unscrew the four screws on the cover - remove the filter and clean it with a vacuum cleaner or blow it with compressed air. -
Page 21: Alarms
ALARMS GENERAL INFORMATION If you experience any of these problems or failures, please contact the installer or the authorized service centre. PROBLEMS LINKED TO THE OPERATION OF THE UNIT PROBLEM CAUSE SOLUTIONS -Check the fan power supply -The power supply is disconnected The fan can't start -Check the control unit and the relative supply -The control unit doesn't work... - Page 22 For the inspection of the heat exchanger and the inside of the pipe, not remove the screws of the wall, but only remove the locking parts from the template. Do the following with the appliance not powered: - removing the cover with filter - freeing the four fixing clamps from its seat - Unscrew the four parts locking the template paying attention to the wires - remove the motor mounting platform that will remain 'lifted from the wires and will allow the cleaning of the heat exchanger and the pipe...
- Page 23 Predisposition kit The kit provides the opportunity 'to prepare the installation of the product in the construction phase. The kit consists of: - a plastic pipe slightly above the standard telescopic tube diameter (supplied with the unit) - an inner plug in expanded polystyrene to prevent air leakage and for have the insulation until the time of 'installation. Insulation kit The kit provides for the possibility 'to insulate the outside by preventing thermal transmittance to the outer surfaces The insulation consists of a double-shell coated insulating material.
- Page 24 Quality, Safety and Savings on working. UTEK S.r.l. Original instructions | from: 2017/03/01 | Rel: 02 | MANUAL_UK UTEK S.r.l. Via Provinciale,30 23030 Mazzo di Valtellina (So) Italy | Tel.+39 0342 862031 | Fax +39 0342 862029 | www.utek-air.it | utek@utek.it...
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