User`s manual "VENTS VUT EV(K) mini EC" ( PDF 6,6Mb )
Contents
1. Coc 3 19 05h The wall mounted display shows the following indications as the unit is turned off fig 10 Indoor temperature Weekday Time OFF indication When air supply to the heating elements is activated the TIMER ON and indicator glows and the countdown of the air supply to the heater time starts min s Fig 10 Display of the turned off unit WUT 800 801 EVN mini EC The wall mounted display shows the following We indications as the unit is turned on fig 11 Indoor temperature yg Weekday Time a lt p 19 05h Fan speed indicator H OG TIMER ON a A am am Timer status information J o The indicator TIMER ON is displayed as the H timer is turned on The indicator TIMER OFF is displayed as the timer is turned off Heater status information As the heater is turned on the indicator is displayed Fig 11 Display in turned ON 2 Unit ventilation mode control From the wall mounted control panel press the button amp for setting speed up or the button tor setting speed down low speed medium speed high speed From the remote controller press the button for setting speed up or the button for setting speed down low speed medium speed high speed From the remote controller b the button to activate low speed the button 3 to activate medium speed and the button to activate high speed2. Air handling unit with heat recovery VUT 300 EVK mini EC VUT 300 EV mini EC VUT 301 EVK mini EC VUT 301 EV mini EC Vena 5 VUT 800 801 EM mini EG CONTENTS Introduction 3 Use 3 Delivery set 3 Structural designation key 4 Technical data 4 Safety reguirements 6 Structure and operating logic 7 Mounting and set up 8 Condensate drainage 10 Connection to power mains 11 Unit control 12 Maintenance 19 Fault handling 22 Storage and transportation rules 23 Manufacturer s warranty 23 Acceptance certificate 24 Electrical connection certificate 24 Warranty card 24 INTRODUCTION The present user manual consisting of technical details operating instructions and technical specification covers the installation of the VUT 300 301 EV K mini EC air handling unit with heat recovery VENTS series hereinafter the unit USE The unit is designed to save thermal energy by means of heat recovery and is one of the energy saving components used in buildings and premises The air handling unit is a component unit and is not designed for independent operation The unit is designed to provide permanent controllable air exchange by mechanical ventilation in houses offices hotels caf s meeting halls and other mechanically ventilated premises as well as utilization of extract air heat energy to warm up supply purified air Transported medium must not contain any flammable or explosive m
3. The wall mounted control panel displays the current fan speed Indicator 9 low speed mode Indicator medium speed mode Indicator S 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 O and then press the button amp from the remote controller press the button to turn the heater on press the button Wto turn the heater off Warning If the heater is on the unit can be turned off only after 20 seconds after turn off command to ensure the heater cooling In this case the indicator is displayed 4 Timer The timer is designed to switch the fans to maximum speed with subsequent automatic reset to a previous speed after set time period from 20 to 60 minutes To turn the timer on off from the wall mounted control panel press and hold the button and then press the button Press the button once to set the timer for 20 minutes each subsequent pressing extends the timer setting for 10 minutes The maximum timer setting is 60 minutes Press and hold the button for 3 seconds to turn the timer off the timer off press the button 5 Heat exchanger freezing protection from the remote controller press the button pel rO I Auto to turn the timer for 20 minutes on To turn
4. and Set a required parameter using the same buttons and amp j Time scheduled operation parameters fig 17 Entry number each weekday has four entries Weekday setup of a weekday Heater status setup of the heater status for the current entry H heater on h heater off Fan speed setup of the fan speed for the current entry Time time setup for the current entry m To copy the set entries for the next day press and hold the button and press the button No copying from Sunday to Monday is possible m Press the button on the wall mounted control panel or the button J on the remote controller to exit the time scheduled operation setup mode A programming 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 M Table 3 Sample programming sequence 2 speed off 08 00 1 speed Off 17 00 2speed Off 22 00 1speed Off 2 speed Off 08 00 1 speed 17 00 2 speed Off 22 00 1speed Off 2 speed Off 08 00 1 speed 17 00 2speed Off 22 00 1speed Off 2 speed Off 12 00 2 speed Off Off 2 speed Off 08 00 1 speed Off 17 00 2 speed Off 22 00 1speed Off Off 17 00 2 speed Off 23 00 1speed Off Off 2 speed Off 12 00 2speed 17 00 2 speed Off 23 00 1speed Off WUT 300 801 EVS mini Ec 11 Alarms In case of alarm the un
5. K mini EChas been duly certified as serviceable We hereby declare that the product complies with the essential protection reguirements of Electromagnetic Council Directive 2004 108 EC 89 336 EEC and Low Voltage Directive 2006 95 EC 73 23 EEC and CE marking Directive 93 68 EEC on the approximation of the laws of the Member States relating to electromagnetic compatibility This certificate is issued following test carried out on samples of the product referred to above Acceptance Inspector s Stamp Date of manufacture Sold by Seller s name and stamp Date of sale This is to certify that the air handling unit with heat recovery VUT 300 301 EV K mini EC has been connected to power mains pursuant to the reguirements stated in the present user s manual by a gualified technician Company name Electrician s name Date Signature WARRANTY CARD
6. fig 3 at the minimum distance of 1 m from the supply spigot The supply air duct temperature sensor is installed as follows Drill a 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 4 Unit mounting Mounting seguence of the wall mounted control panel Use a screwdriver to lift the latches through the technological openings in the upper part of the wall mounted control panel fig 5 z 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 D OO Fig 5 Taking off the back panel Vena 5 WUT 300 801 EWC mini Ec Fig 6 Mounting of the panel back cover to the wall CONDENSATE DRAINAGE 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 outsi
7. 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 the wiring diagram fig 8 Route the cable through a cable sealing gland on the unit top PK H to the fire fighting to the humidity board sensor or CO2 sensor gi TN While connecting the NC contact to the fire fighting system remove the jumper Fig 8 External wiring diagram UNIT CONTROL Wall mounted control panel A C GOS 88 88h SET CY Remote controller Turning unit ON OFF Fan speed UP Heater OFF Heater ON Fan speed DOWN Medium speed ON First speed ON High speed ON Timer ON OFF 5 Time scheduled operation ON Remote Controller Fan speed control buttons Unit control mode buttons described below Turning unit ON OFF Fig 9 Control panel and remote controller 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
8. the heat exchanger block even in case of regular maintenance of the filters To maintain the high heat exchange efficiency 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 Clean the fans with a soft brush or cloth No water and abrasive detergent sharp objects or solvents are allowed for cleaning to prevent the impeller damage 5 Condensate drainage once per year The drain pipes may get clogged with extracted particles Pour some water inside the drain pan and check the pipe for clogging Clean the U trap and drain pipe if required 6 Supply air flow control twice per year Leaves and other pollutions can clog the supply air grille and reduce the unit performance and supply air volume Check the supply grille twice per year and clean it as required WUT 800 801 EVS mini EC Ta Ductworks inspection once in 5 years Even if you follow all the listed maintenance guidelines some dust can get accumulated inside the air ducts and reduce the unit performance Duct maintenance means their regular cleaning or replacements 8 Control unit maintenance as reguired Maintena
9. If the temperature in the intake air duct upstream of the heat exchanger is from 7 C up to 15 C the unit turns into automatic temperature control mode The supply fan has 5 minutes standstill and then it operates within 25 minutes If the temperature is below 15 C the supply fan has 5 minutes standstill and then it operates within 15 minutes 6 Unit setup modes control panel Fan capacity setup mode The unit operates at low medium or high speed The supply and extract fan speeds are smoothly adjustable in 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 SET and fig 12 on the wall mounted Re adjustment of the unit settings results in loss of the factory settings Fan speed and temperature sensor setup is possible only from the wall mounted Fig 12 Fan speed setup SET sc Su PL h Fig 13 Fan speed setup control panel display To select the required_speed to be adjusted use the buttons and During fan speed setup the selected speed is displayed by the indications amp or To adjust the supply fan capacity press and hold the button and press the bu
10. c 86x86x14 Up to 10 IP30 z g uJ N 9 5 3 S gy 5 Q w Q D S a 5 wn SAFETY REQUIREMENTS While operating and mounting the unit consider the requirements of the present operation manual as well as general requirements of all applicable local and national building and electrical codes and standards The unit must be grounded Vena 5S Before connecting the unit to power mains make sure that the unit is free of any visible damages or any other foreign objects inside the casing that can damage the impeller blades All the wireworks with the unit are allowed by a professional electrician duly authorized for electric operations Warning Disconnect the unit from power supply prior to any mounting servicing connection or repair operations with the unit Do not Do not operate the unit beyond the specified temperature range or in an aggressive and explosive medium Do not connect clothes dryers or similar equipment to the ventilation system Do not operate the unit in the air and dust mixture medium STRUCTURE AND OPERATING LOGIC The unit operating principle is as follows fig 3 Warm stale air from the premises extracted by the unit is purified in the extract filter then it passes through the heat exchanger and then is exhausted outside through the ducts by the exhaust fan Clean cold intake air supplied to the unit is purified in the supply filter The air passes through
11. cturer 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 sales date the warranty period is calculated from the manufacturing date In case of failures in the unit operation during the warranty period the manufacturer will accept reclamations and complaints from the owner of the device only after receiving technically sound act with detailed description of the failure Unit damage as a result of unauthorized tampering with the circuit diagram is not a warranty case For warranty and post warranty services of the unit please contact the product manufacturer In case of warranty claim please submit the present user s manual with the seller s stamp filled connection certificate and warranty card Warranty repair services and post warranty services are fulfilled at the manufacturing facility WARRANTY CLAIMS ARE ACCEPTED WITH THIS USER S MANUAL AND FILLED CONNECTION CERTIFICATE ONLY N The MANUFACTURER is not responsible for any mechanical or physical damages resulting from the manual reguirements violence the unit misuse or gross mechanical effect Fulfill the reguirements set in the user s manual to ensure proper functioning of the unit WUT 300 801 EV mini Ec ACCEPTANCE CERTIFICATE The air handling unit with heat recovery VUT 300 301 EV
12. de of the section and must be not less than H 100 mm h 50 mm min 100 mm JA min 50 mm pe 3 ae SYSTEM DRAIN PIPE CONNECTING PIPE CONNECTING PIPE Fig 7 Condensate drainage CONNECTION TO POWER MAINS Disconnect the unit from the power mains prior to any work The unit must be plugged into a properly installed power socket with an earthed terminal The rated electrical parameters of the unit are stated on the sticker Any tampering with the internal connections is prohibited and will void the warranty The unit is designed for connection to 230 V 50 Hz single phase AC mains Proper connection is ensured by the power cable with a Euro plug supplied by the manufacturer The unit must be connected to the power mains through an automatic cut out switch integrated into the stationary wiring with a magnetic breaker with the nominal trip current at least equal to the unit consumption current refer table 1 The unit has extra electric connection options The contact designations are enclosed in brackets on the X3 terminal block sticker fig 8 connection of the automatic fire fighting system contact PK connection of the humidity relay sensor or CO2 sensor contact H While connecting the automatic fire fighting system contact remove the jumper between the X3 1 and X3 2 terminals of the X3 terminal block in case of
13. e buttons O 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 O 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 panel to activate the time scheduled operation The indicator confirms that the unit time scheduled operation is activated Press and hold the button and then press the button on the wall mounted control panel Press the button Don the remote controller to activate or deactivate the unit time scheduled operation The timer control always takes precedence of the time scheduled operation 10 Time scheduled operation setup Each weekday has four entries that determine the fan switching to a set fan speed turning the heater on or off To enter the time scheduled operation setup mode turn the unit off with the button on the wall mounted control panel or with the button ON on the remote controller WUT 800 801 EVN mini EC Press and hold the button on the wall mounted control panel and the press the button Weekday Fan speed Fig 17 time scheduled operation indicators m Hold the button and select a required parameter to be adjusted using the buttons
14. exchanger The unit operates at the speed set by the kitchen hood MAINTENANCE The unit reguires maintenance works 3 4 times per year Maintenance includes regular cleaning and the following operations 1 Filter maintenance 3 4 timed per year Dirty filters increase air resistance in the system and reduce supply air volume The filters require cleaning as they get clogged but at least once in 3 4 months Vacuum cleaning is allowed Replace the filters as they get clogged following the second cleaning Contact your local manufacturer representative for new filters To remove the filters follow the procedure in the fig 20 1 Remove the screws 2 Open the unit access door and disconnect the control panel plug connector only for the model with a built in control panel then unscrew 2 M6 screws to release the stopper Open the unit access door and lift it upwards to remove it from the supports 3 Remove the heat exchanger from the unit by pulling its band 4 Take the supply and extract filter off 2 Kitchen hood fat filter maintenance only for the units VUT 300 301 EVK mini EC as required To clean the metal fat filters let them soak in hot water mild detergent solution until the fat gets dissolved To release the fat filters follow the procedure in fig 22 1 Press the latch 2 Move the fat filter carefully down and release it 3 Heat exchanger inspection once per year Some dust can get accumulated on
15. it is turned off and the wall mounted control panel display shows the alarm indicators fig 18 The possible alarms are listed in the table 4 Temperature sensor alarm Duct temperature sensor breakout Heater overheating Freeze protection w sensor breakout We BA 19 05 RT l L c Fig 18 Alarm indication Table 4 Unit alarms Heater overheating Switch the thermal protection thermostats manually Short circuit of the temperature sensor s Remove the short circuit Remove the duct temperature sensor breakout Remove the freeze protection sensor breakout 12 Kitchen hood control only for the units VUT 300 301 EVK mini EC Light ON OFF low speed ON medium speed ON high speed ON Extract mode OFF Fig 19 Kitchen hood control Press the respective speed button low medium or high speed fig 19 to turn the kitchen hood on The kitchen hood has priority over the control panel i e the control panel is not active when the kitchen hood is on Press the respective button to turn the kitchen hood off see fig 19 After turning the kitchen hood off the unit reverts to the operation mode set from the control panel The kitchen hood is controlled with the buttons located on the front panel fig 16 If the kitchen hood is in operation the heat recovery function is not engaged because extract air flows passes by the heat
16. ixtures evaporation of chemicals coarse dust soot and oil particles sticky substances fibrous materials pathogens or any other harmful substances A Warning The unit is not allowed for operation without properly installed fat filters or with the clogged fat filters because ingress of oil and sticky substances may damage the unit The unit is not designed to be used by children physically or mentally disabled persons persons with sensory disorder or with no appropriate experience or expertise The unit must be handled only by properly qualified personnel after the appropriate safety briefing Install the unit to be out of reach of children DELIVERY SET Unit 1 item User s manual Litem Remote controller 1 item Shipping box 1 item Fastener kit 1 item WUT 300 801 EVS mini Ec STRUCTURAL DESIGNATION KEY VUT 300 EVK mini EC Motor type electronically commutated Modification K kitchen hood Spigot orientation V vertical Electric heater Air capacity m h 300 unit with an integrated control panel 301 unit with a remote control panel Unit type VUT heat recovery ventilation TECHNICAL DATA The unit is designed for operation in an enclosed area at ambient temperatures from 1 C to 40 C at relative humidity of up to 80 The unit must be grounded Hazardous parts acces
17. lter Check the heat exchanger for icing Shutdown the unit if required and turn it on after the freezing danger is no longer imminent Please contact the service center Clean or replace the filters clean the fans and the heat exchanger 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 Clean the metal fat filter Clean the fan impeller Tighten the screws to stop Clean the drain system Check the drain slope angle Make sure that the U trap is filled with water and the drain pipes are frost protected STORAGE AND TRANSPORTATION RULES Store the unit in the manufacturer s original packing box in a closed ventilated premise with temperature range from 10 C to 40 C and relative humidity less than 80 at 20 C Vapours or particles which can cause corrosion or damage the insulation or connection tightness are not allowed in the storage environment Use hoist machinery for handling and transportation to prevent possible mechanical damages of the unit Fulfill the requirements for transportation of the specified cargo type during cargo handling operations Use any vehicle types for the unit transportation provided that it is protected against mechanical or weather damage Avoid any mechanical shocks and strokes during handling operations MANUFACTURER S WARRANTY Manufa
18. nce of the control unit must be performed by a gualified 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 exchanger from the unit by pulling its band 3 Remove the screws that fix control block swivel panel Hold the swivel panel while detaching it 4 Move the swivel panel downwards Fig 20 Heat exchanger and filter servicing SSS ARV 31 Tea ay of Vena 5 WUT 500 201 EV mini BE FAULT HANDLING No power supply The extract filter is soiled The heat exchanger is frozen The heater malfunction The filters the fans are soiled the heat exchanger is soiled The ventilation system is soiled or damaged The fat filter is clogged The impeller is clogged Loose screw tightening The drain system is soiled damaged or wrong arranged or wrong slope angle of the unit toward the drain system Possible faults and fault handling Make sure the power supply line is connected correctly otherwise troubleshoot the connection error Clean or replace the extract fi
19. s and water ingress protection standard 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 remote control panel fixed on 10 m cable for the units VUT 301 EVK mini EC 840 m The unit VUT 300 EVK mini EC with a built in control panel m The unit VUT 301 EVK mini EC with a remote control panel Q 125 remote control panel fixed on 10 m cable for the units VUT 301 EV mini EC m The unit VUT 300 EV mini EC with a built in control panel m The unit VUT 301 EV mini EC with a remote control panel Q 125 Fig 2 Overall and connecting dimensions of the unit without kitchen hood Vena 5 Table 1 Technical parameters of the unit VUT 300 301 EV K mini EC 230 50 Hz 187 Usil VA 6 5 1 69 7 6 270 42 from 25 C up to 60 C polymer coated steel 15 mm foiled polypropylene foam G4 G4 125 38 37 up to 95 counter flow polystyrene only for the unit VUT 300 301 EV mini EC without kitchen hood from 0 to 40 from 5 to 90 without condensation from 0 18 to 0 35 ABS Plasti
20. sor The setup is vy engaged cyclically with 2 C interval from 16 C up to 30 C o Press the button to review the current C temperature sensor readings SET Fig 14 Temperature sensor setup Press the button to display the controller board code and firmware version code on the wall mounted control panel fig 15 Press the buttonO to exit the duct 301 temperature sensor setup mode SET C Fig 15 Firmware version 7 Filter replacement signal As the filter service life expires 3000 hours the wall mounted control panel displays a filter replacement indicator F instead of the operating temperature fig 16 In case of the filter replacement signal F turn the unit off with the button and disconnect it from power mains Then replace the filters following the filter replacement procedure in the section Technical maintenance on page 19 TIMER OFF After that press the button on the o wall mounted control panel or the button OD Cc on the remote controller to turn the unit on Then press synchronously the buttons and to amp reset the motor meter Fig 16 Filter replacement signal 8 Date and time setup Turn the unit off Press and hold the button then press the button on the wall mounted control panel to enter the date and time setup mode Keep the button pressed and select a parameter to be edited using th
21. the 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 Vena 5S WUT 800 801 EVK mini EC 3 BYNIMLII HA BYSIMLIIO gt i M E JO MPUMILUEHHA I lt Q 13 MPUMILEHHA min 1 m SUPPLY AIR TEMPERATURE TEMPERATURE SENSOR FOR HEAT SENSOR EXCHANGER FREEZING PROTECTION ELECTRIC HEATER N A P BUILT IN CONTROL UNIT EXTRACT FILTER SUPPLY FILTER FILTRATION CLASS G4 FILTRATION CLASS G4 COUNTER FLOW HEAT EXCHANGER SUPPLY FAN L A EXHAUST FAN 5 DRAIN PAN 764 bo BYPASS AIR BYPASSING FROM KITCHEN HOOD KITCHEN HOOD Fig 3 Design and operating logic MOUNTING AND SET UP Mount the unit to provide enough access for maintenance or repair operations fig 4 The wall for mounting must have even surface Any surface irregularities will lead to unit casing skew and may prevent the unit from operating properly For the unit fastening use the fasteners recommended by the manufacturer for the specified wall type To ensure proper supply air pre heating install the duct temperature sensor
22. tton to set the fan speed up or the button Mo set the fan speed down Each pressing of the button O and increases or decreases the supply fan by 1 If the button remains pressed the display indicators show the current supply fan speed fig ish To adjust the exhaust fan speed press and hold the button and regulate the speed by the button for setting speed up and the button for setting speed down WUT 800 801 EVN mini EC Each pressing of the button and yincreases or decreases the exhaust fan speed by 1 If the button remains pressed the display indicators show the current exhaust fan speed To exit the fan speed setup mode and save changes press the button Fan speed adjustment is not possible with the remote controller To return to the factory settings enter the fan speed setup mode and synchronously press and hold for 3 seconds the buttons and D Factory fan speed settings low speed 40 medium speed 70 Yo high speed 100 Duct temperature sensor setup mode To enter the temperature 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 o confirmed by the indicator SET and G After activation of the setup mode the wall mounted control panel displays the duct temperature sensor settings fig 14 Press the button for temperature 30 setup of the duct temperature sen
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