Vents VUT 300 EV mini EC, User Manual

Page 1: ...USER MANUAL VUT 300 EVK mini EC VUT 300 EV mini EC VUT 301 EVK mini EC VUT 301 EV mini EC Air handling unit with heat recovery ...

Page 2: ... Structure and operating logic Mounting and set up Condensate drainage Connection to power mains Unit control Maintenance Fault handling Storage and transportation rules Manufacturer s warranty Acceptance certificate Electrical connection certificate Warranty card CONTENTS 3 3 3 4 4 6 7 8 10 11 12 19 22 23 23 24 24 24 ...

Page 3: ...rgy recovery the unit is an important element of energy efficient premises The unit is a component part and is not designed for stand alone operation It is rated for continuous operation Transported air must not contain any flammable or explosive mixtures evaporation of chemicals sticky substances fibrous materials coarse dust soot and oil particles or environments favourable for the formation of ...

Page 4: ...d Unit motors IP 44 Unit assembly connected to air ducts IP 22 The unit series designations their main outside and connecting dimensions appearance and technical data are given in figures 1 2 and in Tables 1 and 2 The unit design is regularly being improved so some models can slightly differ from those ones described in this manual VUT 300 EVK mini EC Motor type electronically commutated Spigot or...

Page 5: ...nel The unit VUT 301 EVK mini EC with a remote control panel 840 659 remote control panel fixed on 10 m cable for the unitsVUT 301 EVK mini EC 627 350 50 380 132 380 521 85 160 The unit VUT 300 EV mini EC with a built in control panel The unit VUT 301 EV mini EC with a remote control panel 659 627 595 350 50 380 132 380 85 160 370 remotecontrolpanelfixed on 10 m cable for the unitsVUT 301 EV mini ...

Page 6: ...h 270 Noise level 3 m dB A 42 Max transporting air temperature C from 25 C up to 40 C Casing material polymer coated steel Insulation 15 mm foiled polypropylene foam Filter extract supply G4 G4 Connected duct diameter mm Ø125 Weight kg 38 37 Heat recovery efficiency up to 95 Heat exchanger type counter flow Heat exchanger material polystyrene only for the unit VUT 300 301 EV mini EC without kitche...

Page 7: ... heat exchanger and then fed into the premises by the supply fan Thermal energy of warm extract air is transferred to clean intake fresh air from outside and warms it up The air flows are fully separated Heat recovery minimizes thermal energy losses energy demand and operating costs for heating during winter time The unit is equipped with an electric heater to enable supply air warming up to 30 C ...

Page 8: ...ce of 1 m from the supply spigot The supply air duct temperature sensor is installed as follows Drill a Ø 9 mm hole in the duct Install the sensor into the hole Fasten the sensor flange with three self tapping screws It is recommended that the sensor and air duct joint is hermetically sealed Fig 3 Design and operating logic SUPPLY FAN COUNTER FLOW HEAT EXCHANGER EXHAUST FAN DRAIN PAN SUPPLY FILTER...

Page 9: ... openings in the upper part of the wall mounted control panel fig 5 Take off the back cover Disconnect the cable from the terminal block Route the cable to the panel installation site Fix the panel back cover to the wall fig 6 Connect the cable to the terminal block Put the panel on the latches and press to click Fig 5 Taking off the back panel ...

Page 10: ...ing of the panel back cover to the wall The condensate drain pan located in the heat recovery section is equipped with a drain pipe to remove condensate from the unit Connect a U trap to the drain pipe The U trap and the drain pan must be thermally insulated The U trap height fig 7 depends on the pressure inside and outside of the section and must be not less than H 100 mm h 50 mm ...

Page 11: ... 1 and X3 2 terminals of the X3 terminal block in case of fire the dry contact breaks the control circuit from the central fire fighting board and cuts off power supply to the unit The humidity sensor or CO2 sensor is connected to the X3 3 and X3 4 terminals of the X3 terminal block if the dry contact is closed the unit turns to the maximum speed Extra contacts must be connected in compliance with...

Page 12: ...el The unit is controlled from the wall mounted control panel as well as from the remote controller fig 9 1 Turning unit ON OFF To turn the unit ON OFF from the wall mounted control panel press the button Turning unit ON OFF from the remote controller press the button Turning unit ON OFF Fig 10 Display of the turned off unit The wall mounted display shows the following indications as the unit is t...

Page 13: ...cator low speed mode Indicator medium speed mode Indicator high speed mode 3 Supply air warming up The electric heater warms up the supply air up to the set temperature in compliance with the duct temperature set point To turn the heater ON OFF from the wall mounted control panel press and hold the button and then press the button from the remote controller press the button to turn the heater on p...

Page 14: ...n setup mode The fan capacity is adjustable only in the fan speed setup mode The fan speed setup mode is accessible only when the unit is off To enter the fan speed setup mode press and hold the button on the wall mounted control panel then press and hold the button within 3 seconds Access to the setup mode is confirmed by the indicator and fig 12 on the wall mounted control panel display To selec...

Page 15: ...ature sensor setup mode turn the unit off and turn synchronously the buttons and on the wall mounted control panel Access to the temperature sensor setup mode is confirmed by the indicator and After activation of the setup mode the wall mounted control panel displays the duct temperature sensor settings fig 14 Press the button for temperature setup of the duct temperature sensor The setup is engag...

Page 16: ...ng the buttons and An editable parameter blinks The date and time setup parameters are located as listed 1 Minutes 2 Hours 3 Weekday 4 Date 5 Month 6 Year Then set the required parameter with the buttons and on the wall mounted control panel Press the button to exit the date and time setup mode 9 Time scheduled operation Press and hold the button then press the button on the wall mounted control p...

Page 17: ...ogramming example for setup of the time scheduled operation is stated in the table 3 By default the time scheduled operation mode is adjusted for warm season While adjusting the time scheduled operation mode set the heater status Press and hold the button on the wall mounted control panel and the press the button Day Entry Number 1 2 3 4 Start Time Mode Heater Status Start Time Mode Heater Status ...

Page 18: ...ensor breakout Duct temperature sensor breakout Heater overheating Temperature sensor alarm ALARM INDICATION FAULT HANDLING Heater overheating Heater overheating Switch the thermal protection thermostats manually Temperature sensor alarm Short circuit of the temperature sensor s Remove the short circuit Duct temperature sensor breakout Remove the duct temperature sensor breakout Freeze protection ...

Page 19: ...ficiency regular cleaning is required To clean the heat exchanger pull it out of the unit and flush it with warm soap or mild detergent water solution Re install the dry heat exchanger to the unit 4 Fan inspection once per year Even in case of regular filter and heat exchanger maintenance some dust and grease can get accumulated inside the fans and reduce the fan performance and supply air flow Cl...

Page 20: ...f the control unit must be performed by a qualified electrician duly authorized for unassisted electric operations up to 1000 V Read the user s manual prior to the control unit servicing Cut off power supply to the unit prior to the control unit servicing While servicing the control unit follow the operations shown in fig 21 1 Remove four screws to take off the protecting cover 2 Remove the heat e...

Page 21: ...21 Fig 21 Control unit servicing Fig 22 Fat filter servicing 1 2 3 2 1 ...

Page 22: ...oiled Clean or replace the filters clean the fans and the heat exchanger The ventilation system is soiled or damaged Check opening of the diffusers and louvre shutters check the extract hood and supply grille and clean it of required make sure the air ducts are not soiled and not damaged Low air flow when the kitchen hood operates The fat filter is clogged Clean the metal fat filter Noise vibratio...

Page 23: ...ulting from the manual requirements violence the unit misuse or gross mechanical effect Fulfill the requirements set in the user s manual to ensure proper functioning of the unit Manufacturer hereby guarantees normal performance of the unit during two years from the date of retail sale provided compliance with transport storage mounting and operation regulations In case of no confirmation of the s...

Page 24: ...ture ______________________________ Sold by Seller s name and stamp _______________________________________________________________ ___________________________________________________________________________________ Date of sale _____________________________ The air handling unit with heat recovery VUT 300 301 EV K mini EChas been duly certified as serviceable ACCEPTANCE CERTIFICATE ELECTRICAL CON...

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