User`s manual "VENTS VUT V/ VB EC (A14)" ( PDF 3,23Mb )
Contents
1. Left handed modification Right handed modification UNIT MOUNTING To attain the best performance of the unit and to minimise turbulence induced air pressure losses while mounting connect a straight air duct section on both sides of the unit Minimum straight air duct length equal to 1 air duct diameter on intake side equal to 3 air duct diameters on outlet side If the air ducts are not connected or the connected air ducts are too short protect the unit parts from ingress of foreign objects by covering the spigots with a protecting grille or other protecting device with mesh width not more than 12 5 mm to prevent uncontrollable access to the fans While installing the unit ensure convenient access for subsequent maintenance and repair The unit must be mounted on a plane wall Mounting the unit to an uneven surface can lead to the unit casing distortion and operation disturbance Unit wall mounting Unit floor mounting Fasteners for wall mounting are not included into delivery set Install the unit on the preset floor supports minimum 150 and should be ordered separately While choosing fasteners con mm height to ensure sufficient access for the drain pipe sider the material of the mounting surface as well as the weigh of connection to the U trap and for condensate drain system the unit refer Technical Data Fasteners for unit2. 160 ECA14 VUT 350 A14 VUT 550 A14 HEAT RECOVERY HANDLING UNIT lt VENTI CONTENTS NA NN D 5 2 lt oc Le 55 6355 oo segues gt 5 0 lt ow Cc DAQFDSY 11 Connection to power mains Unit control 12 14 15 15 16 17 17 17 17 Maintenance Fault handling Storage and transportation rules Manufacturer s warranty Acceptance certificate Seller information Connection certificate Warranty card amp VENTS SAFETY REQUIREMENTS Read the user s manual carefully prior to the operation and installation of the VB EC A14 or VUT VEC A14 heat recovery air handling units Fulfil the operation manual requirements as well as the provisions of all the applicable local and national construction electrical and technical codes and standards The warnings contained in the user s manual must be considered most seriously since they contain vital personal safety information Failure to follow the safety requirements may result in an injury or unit damage Read the manual carefully and keep it as long as you use the unit While transferring the unit control the user s manual must be turned over to the receiving operator Symbol legend used in the manual DO
3. UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS The unit must be disconnected from power supply prior to any installation or repair operations The unit must be grounded The unit must not be operated outside the temperature range stated in the user s manual and in aggressive or explosive environ ments While installing the unit follow the safety regulations specific to the use of electric tools Do not change the power cable length at your own discretion Do not bend the power cable Avoid damaging of the power cable Do not use damaged equipment or conductors to connect the unit to power mains Unpack the unit with care Do not position any heating devices or other equipment in close proximity to the unit pow er cable Do not touch the unit controls with wet hands Do not carry out the unit mainte nance with wet hands Do not wash the unit with water Protect the unit electric parts from water ingress Keep combustible gases and in flammable products away from the unit Do not let children operate the unit Do not sit on the unit and do not put any objects on it In case of unusual sounds smell of smoke disconnect the unit from power supply and contact the service centre Do not block the air duct when the unit is on Use the unit only as intended by the manufacturer Do not connect a clothes dryer or other similar equipment to the unit or the ventilation sys tem
4. Do not put any water containers on the unit i e flower vases Disconnect the unit from power supply prior to maintenance Do not damage the power cable while operating the unit Do not put any objects on the power cable Do not open the operating unit During a long term operation of the unit periodically check the mounting for reliability Do not let air flow from the unit be directed to the open flame devices or candles INTRODUCTION This user s manual includes technical description operation installation and mounting guidelines technical data for the VUT VB EC A14 and VUT V A14 heat recovery air handling units hereinafter referred as the unit The unit is an energy saving unit based on heat recovery technology and is one of the energy saving components used in the buildings and premises The unit is a component part and is not designed for stand alone operation The unit is designed to provide permanent controlled air exchange by means of mechanical ventilation in houses offices ho tels 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 air must not contain any flammable or explosive mixtures evaporation of chemicals coarse dust soot and oil par ticles sticky substances fibrous materials pathogens or any other harmful substances THE UNIT IS NOT INTENDED TO BE USED BY CHILDREN PHYSICALLY
5. unit power W 51 166 333 Max unit current A 0 4 13 2 3 air capacity m h 180 415 700 RPM 3770 3200 3230 Sound pressure level at 3 m distance dB A 44 51 55 Transported air temperature C from 25 up to 60 C Casing material painted steel Insulation 20mm mineral wool 40 mm mineral wool 40 mm mineral wool Extract filter G4 optional F7 Supply filter G4 optional F7 Connected air duct diameter mm 0125 0160 0200 Weight kg 34 61 70 Heat recovery efficiency from 88 up to 98 from 85 up to 98 from 81 up to 97 Heat exchanger type counter flow Heat exchanger material polystyrene Model D D1 B VUT 160 V EC 14 125 18 348 350 VB EC A14 160 18 610 550 VB A14 200 18 741 Dimensions mm 1 H 330 650 592 758 722 758 Control panel The sensor panel contains touch buttons for unit control and an emergency indicator refer page 13 Unit voltage 8 30V Temperature range from 0 C up to 45 C Service life 100 000 switching operations Ingress Protection Weight 150g Humidity range from 5 to 80 no condensation H1 L 550 600 675 734 675 825 11 2 R1 5 L1 L2 388 143 426 230 493 284 58 fo m fo 4 amp VENTS Control panel 8 Electric lead in C
6. After two consecutive cleanings filters must be replaced Contact the unit Seller to purchase new filters 2 Heat exchanger maintenance once per year Some dust may accumulate on the heat exchanger block even in case of regular maintenance of the filters To maintain the high heat exchange efficien cy regular cleaning is required To clean the heat exchanger pull it out of the unit and flush it with warm detergent solution After cleaning install the dry heat exchanger back to the unit 3 Fan maintenance once per year Even in case of regular maintenance of the filters some dust may accumulate 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 4 Condensate drainage maintenance once per year The drain pipes may get clogged with the extracted particles Pour some water inside the drain pan to check the pipe for clogging Clean the U trap and the drain pipe if required 5 Ductwork system maintenance 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 regular cleaning or replacement 6 Control unit maintenance if necessary The control unit maintenance must be performed by an expert qualified for unassisted operations with electr
7. OR MENTALLY DISABLED PERSONS PERSONS WITH SENSORY DISORDER PERSONS WITH NO APPROPRIATE QUALIFICATION ALL OPERATIONS WITH THE UNIT MUST BE PERFORMED ONLY BY PROPERLY QUALIFIED PERSONNEL AFTER THE APPROPRIATE SAFETY BRIEFING THE UNIT INSTALLATION SITES MUST PREVENT ACCESS BY UNATTENDED CHILDREN DELIVERY SET Unit 1 item User s manual 1 item Control panel 1 item Mounting box for wall flush mounting 1 item m Mounting box for wall surface mounting 1 item m Drain pipe 1 item m Fastening kit 1 item m Packing box 1 item DESIGNATION KEY VUT X VX EC A14 Unit type ao VUT ventilation with heat recovery Air capacity m h Spigot orientation V vertical spigot orientation for wall or floor mounting Extra components _ No components available bypass damper Motor type electronically commutated Control panel TECHNICAL DATA The unit is designed for indoor application with the ambient temperature ranging from 1 C up to 40 C and relative humidity up to 80 Hazardous parts access and water ingress protection rating IP 44 for the unit motors IP 22 forthe assembled unit connected to the air ducts The unit design is regularly improved so some models can slightly differ from those ones described in this manual Model VUT 160 V A14 VUT 350 VB EC A14 VUT 550 VB EC A14 Unit voltage V 50 60 Hz 1 230 Max
8. mounting should mounting be selected by Customer Service technician Fix the wall mount ed hook at the appropriate level and fix the unit on the hook min 150 mm a WALL MOUNTED CONTROL PANEL INSTALLATION MAKE SURE THAT THE CONTROL PANEL IS NOT DAMAGED DO NOT USE A DAMAGED CONTROL PANEL DO NOT INSTALL THE CONTROL PANEL ON AN UNEVEN SURFACE WHILE TIGHTENING THE SCREWS DO NOT APPLY EXCESSIVE FORCE TO PREVENT THE CONTROL PANEL CASING DEFORMA TION Control panel wall flush mounting 1 Make a hole in the wall to in 2 Use screwdriver to 3 Fix the back side of the casing 4 Fix the front side of the con stall the control panel Insert all carefully undo the clips to the mounting box through the trol panel using the latches the necessary cables and wires the backside of the mounting holes then connect the into the hole install the mount control panel and re cable to the control panel in ac ing box from the delivery set move the back cover cordance with the Wiring diagram into the wall Control panel wall surface mounting 1 Lead all necessary cables 2 Use a screwdriver to and wires to the control panel carefully undo the clips mounting place and install the on the backside of the mounting box from the delivery control panel and re set on the wall move the back cover amp VENTS 3 Fix the b
9. user s manual e failure to provide the user s manual with the sale date stamp missing payment document certifying the unit purchase FOLLOWING THE REGULATIONS STIPULATED HEREIN WILL ENSURE ALONG AND TROUBLE FREE OPERATION OF THE UNIT USERS CLAIMS SHALL BE A SUBJECT TO REVIEW ONLY UPON PRESENTATION OF THE UNIT THE PAYMENT DOCUMENT AND THE USER S MANUAL WITH THE SALE DATE STAMP amp VENTS ACCEPTANCE CERTIFICATE Product Type ECAI Serial Number Pt Manufacturing Date is compliant with the technical specifications and is hereby declared ready for service We hereby declare that the product complies with the essential protection requirements 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 Quality Inspector s Stamp E SELLER INFORMATION 4 This is to certify delivery of the complete unit with the user s manual The warranty terms acknowledged and accepted Customer s signature CONNECTION CERTIFICATE VUT ___ V__EC A14 heat recovery air handling unit has been connected to power mains pursuant to the requirements stated in the present user s manual Address Phone n
10. ack side of the casing 4 Fix the front side of the to the mounting box through the control panel using the latch mounting holes using two screws es from the delivery set Then connect the cable to the control panel in ac cordance with the Wiring diagram CONDENSATE DRAINAGE The hole for the drain pipe is at the bottom of the unit Remove the plug from the hole open the service panel and install the drain pipe from the delivery set into the hole then connect the drain pipe to the sewage system using the SG 32 U trap kit available upon separate order The pipe slope downwards must be at least 3 CONNECTION POWER MAINS DRAIN PIPE DRAIN HOSE SEWAGE SYSTEM 3 DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY OPERATIONS THE UNIT MUST BE CONNECTED TO POWER MAINS BY A QUALIFIED ELECTRICIAN THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE SHOWN ON THE RATING PLATE DO NOT LAY THE CABLE IN CLOSE PROXIMITY TO THE CONTROL PANEL CABLE DO NOT COIL THE CABLE FROM THE CONTROL PANEL IN LOOPS WHILE LAYING IT ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED AND WILL VOID THE WARRANTY Connect the unit to single phase 230 V 50 60 Hz power mains by using the pre wired power cord with the Euro Plug Connect the unit to power mains through the external QF automatic circuit
11. breaker with magnetic trip integrated into the fixed wiring system The rated current of the circuit breaker must not be below the unit current consumption refer Maintenance sec tion page 6 The unit has an option of additional external controls connection to the X2 terminal block which is located on the hinged elec trical mounting plate of the control unit Extra connections to the unit are shown in dotted lines in the External wiring diagram page 12 The contacts are enclosed in brackets on the label of the X2 terminal block Technical requirements to a cable for connection of the control panel to the unit type 4x0 25mm e length up to 10m PK connection of the automatic fire extinguishing system contact Upon connecting the automatic fire extinguishing system contact remove the jumper between the 1 and 2 terminals 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 Connecting of the external control unit contact such as CO2 sensor NO C Connect the CO2 sensor to the 6 and 7 terminals by using a normally closed dry contact If the dry contact is closed the unit turns to the maximum speed HV2 U 0 10V GND humidity sensor connection Connect the HV2 humidity sensor not included into delivery set should be ordered separately to the contact socket located on the side panel of the control unit from the side of the extract pipe in accordance
12. e air is not changed The summer cooling mode is set from the control panel refer Unit control section page 12 Heat recovery Defrosting Summer cooling mode EXTRACT AIR EXTRACT AIR SUPPLY AIR EXHAUST AIR EXHAUST AIR TAKE Ain SUPPLY AIR EXTRACT AIR INTAKE AIR EXHAUST AIR SUPPLY AIR INTAKE AIR Service side view Service side view Back side view lt WENTS MOUNTING AND SET UP THE UNIT MUST BE MOUNTED BY A QUALIFIED EXPERT ONLY PROPERLY TRAINED AND HAVING THE REQUIRED TOOLS AND MATERIALS a HV2 HUMIDITY SENSOR MOUNTING The HV2 humidity sensor is not included into delivery set and should be ordered separately The humidity sensor must be installed prior to unit mounting Install the humidity sensor through the extract spigot into the mount on the extract air duct panel and connect the humidity sensor contact socket to the respective contact socket on the control unit refer to the External wiring diagram Contact socket for connection to the control unit Humidity sensor HV2 Humidity sensor contact socket a SERVICE SIDE CHANGE Make sure of the correct unit service side selection Unit mounting position should enable free excess to the service panel for maintenance and service operations EXTRACT AIR EXHAUST AIR INTAKE AIR SUPPLY AIR SUPPLY AIR INTAKE AIR EXHAUST AIR EXTRACT AIR
13. he following units incorporate a bypass damper 350 VB EC A14 and VUT 550 VB 14 Unit operation modes Heat recovery mode warm extract air from the room flows into the unit and is cleaned in the extract filter Then the air is moved through the heat exchanger and is exhausted outside with the extract fan Cold fresh air from outside flows into the unit where it is cleaned in the supply filter Then the air flows through the heat exchanger and is moved to the room with the supply fan Supply air is heated in the heat exchanger by transferring the heat energy of warm and humid extract air to the cold fresh air The air flows are fully separated while flowing through the heat exchanger Heat recovery minimizes heat losses which reduces the cost of space heating in the cold season Defrosting to prevent the heat exchanger freezing in the cold season the unit has an automatic defrosting mode according to the freeze protection temperature sensor readings in the exhaust air duct downstream of the heat exchanger The unit switches to the defrosting mode at the extract air temperature 3 C As the temperature rises the unit returns to the previous mode Only the extract fan operates in the defrosting mode the supply fan is switched off Summer cooling mode the bypass damper is opened the extract air that is removed from the premises is routed along the bypass duct and does not come in contact with the heat exchanger The temperature of the intak
14. ical installations with the voltage up to 1000 V after careful reading of the user s manual Access to the control board of the control unit m FAULT HANDLING Make sure the power supply line is connected cor No Rowe rectly otherwise troubleshoot a connection error Clean or replace the filters clean the fan s and the Filters fans or the heat exchanger are soiled heat exchanger Clean the ventilation system components Re The ventilation system is soiled or damaged place th damnaged components The impellers are soiled Clean the impellers Tighten the mounting screws of the fans or the The fan or casing screw connection is loose casing against stop Clean the drainage system Check the drain line slope angle Make sure that the U trap is filled with water and the drain pipes are frost protected The drainage system is soiled damaged or ar ranged not correctly STORAGE AND TRANSPORTATION RULES Store the unit the manufacturer s original packing box a dry closed ventilated premise with temperature range from 5 C to 40 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 Fulfil the requirements for trans
15. ith the entire delivery package as stated in the user s manual or with missing component parts previously dismounted by the user e mismatch of the unit model and make with the respective details stated on the unit packing and in the user s manual _user s failure to ensure timely technical maintenance of the unit external damage to the casing excluding external modifications of the unit as required for its installation and the internal components of the unit e alteration of the unit design or engineering changes of the unit replacement and use of the unit assemblies parts and components not approved by the manufacturer e unit misuse user s violation of the unit installation regulations e violation of the unit control regulations unit connection to the power mains with a voltage different from the one stated in the user s manual unit breakdown due to voltage surges in the power mains e _user s discretionary repair of the unit unit repair performed by any persons not authorized by the manufacturer e expiry of the unit warranty period e user s violation of the established regulations specific to the unit transportation user s violation of the unit storage regulations e wrongful acts against the unit committed by third persons unit breakdown due to circumstances of insuperable force fire flood earthquake war hostilities of any kind or blockades e missing seals if provided by the
16. of the external control unit 100 Filter cleaning replacement interval 2160 3 months Humidity level 60 The list of the adjustable parameters can be expanded in new versions of the software Setting troubleshooting and upgrading of the software version is made by the Customer Service technician The software is available for downloading on our website http www ventilation system com images cat 812_ 2902 cat lang_2 rar CONTROL PANEL The unit is operated from the wall mounted control panel by using the touch buttons Touch button High speed High speed Filter maintenance High speed Bypass damper control 1 Emergency indicator Touch button Medium speed Touch button Low speed Indication variants when the unit is off The touch buttons on the control panel are not highlighted e Filter maintenance indicator and emergency indicator are highlighted in the respective cases Unit activation Press one of three speed setting buttons The selected button will be highlighted and the unit switches to the re quired speed Speed changeover Press the inactive speed setting button once The selected button will be highlighted and the unit will switch to the required speed Unit deactivation To turn the unit off press the highlighted speed setting button Summer cooling mode Press the touch button once When the touch button is activa
17. ontrol unit Service panel _ a e Bypass damper Counter flow heat exchanger Extract filter Supply air filter Freeze protection temperature sensor Extract fan Supply fan Condensate drain pan Drain pipe The service panel is installed at the side of the unit for repair and maintenance operations The control unit with a hinged elec trical mounting plate is positioned in the upper part of the unit casing The power cable and grounding cable are connected to the control unit via the electric lead ins The difference between the supply and extract air flow temperature leads to condensate generation Condensate is collected in the drain pan and is removed outside through the drain pipe At the request of the customer the unit can be equipped with a humidity sensor The humidity sensor is purchased separately as an accessory The unit with the installed humidity sensor maintains a set indoor humidity point As the extract air humidity rises above the set point the system automatically switches to the maximum speed As the humidity drops down below the set point the unit returns to the previous mode Installation and connection of the humidity sensor as well as setting of the humidity level using the software is carried out on site by the service technician The software is available for download on our website http http www ventilation system com images cat 812 2902 cat file lang 2 rar T
18. portation of the specified cargo type 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 2 VENTS a MANUFACTURER S WARRANTY The manufacturer hereby warrants normal operation of the unit over the period of 12 months from the retail sale date provided the user s observance of the transportation storage installation and operation regulations Should any malfunctions occur during the unit operation due to manufacturer s fault during the warranty period the user is entitled to elimination of faults by means of warranty repair performed by the manufacturer The warranty repair includes work specific to elimination of faults in the unit operation to ensure its intended use by the user within the warranty period The faults are eliminated by means of replacement or repair of the complete unit or the faulty part thereof The warranty repair does not include e routine maintenance e unit installation dismantling e unit setup To benefit from warranty repair the user must provide the unit the user s manual with stamped sale date and the payment docu ment certifying the purchase The unit model must comply with the one stated the user s manual Contact the Seller for warranty service The manufacturer s warranty does not apply to the following cases e user s failure to provide the unit w
19. ted the display lights up and the unit switches to the Summer cooling mode in one of the ways depending on the unit model VUT 350 A14 and VUT 550 VB A14 the bypass damper is opened 160V EC A14 the supply fan is turned off and only the extract fan is in operation Each time a touch button is pressed the current unit status is changed and saved in the control panel memory Filter maintenance As the unit reaches the set value of operating hours the touch button is highlighted to remind about cleaning or replacing of the filters After filter replacement or cleaning reset the motor hours Press and hold the touch button for 5 seconds Resetting of the timer is confirmed by the touch button light turning off When Customizing the timer software for setting the number of hours refer to Filter maintenance section page 14 gt Alarm In case of alarm the alarm indicator is highlighted In case of alarm indication contact the service centre VENTS DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY MAINTENANCE OPERATIONS Maintenance operations of the unit are required 3 4 times per year Mainte nance includes regular cleaning and the following operations 1 Filter maintenance 3 4 times per year Dirty filters increase air resistance in the system and reduce supply air volume The filters require cleaning not less than 3 4 times per year Vacuum cleaning is allowed
20. umber cian s full name signatures Installation date Installation technician s This is to certify that the works specific to the unit installation has been performed in accordance company seal with all the applicable provisions of local and national construction electrical and technical codes and standards The unit operates normally as intended by the manufacturer WARRANTY CARD Product type Heat recovery air handling unit EN Model VUT__V__ECA14 i Manufacturingdate Sasat A Seller s seal 2 VENTS munanman TETEE VEMS lt
21. with the External wiring diagram Connection of outer air dampers SM1 supply air damper SM2 exhaust air damper The air dampers and the actuator are not included in the delivery set and can be purchased separately For controlling the air dampers use the LF 230 BELIMO electric actuator with a voltage of 230 V and an open close controlling Connect the electric actuators to the 12 and 13 terminals refer to the External wiring diagram External control units wiring diagram PK fire alarm panel remove the jumper while connecting the contact Control panel Electric actuators OF of outer air dampers Tal J 230 V 50 60 Hz 1 1 N PE 2 3114 Humidity sensor External device NO C02 sensor White ie eet X1 X2 GND NO GND UNIT CONTROL OPERATION USING SOFTWARE To work with the pre installed software connect the unit to a laptop or to a PC via a USB cable with the Type A and Type B con tact sockets The USB cable is not included into delivery set 9 VENTS The software enables editing the unit parameters Zero speed the unit is off 0 Low speed 40 Medium speed 70 High speed 100 Unit speed with the closed dry contact
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