User`s manual "VENTS VUT V/ VB EC (A11)" ( PDF 6,08Mb )
Contents
1. if necessary The control unit maintenance must be performed by an expert qualified for unassisted operations with electrical 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 E FAULT HANDLING Make sure the power supply line is connected cor No power suppi 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 h darnaged 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 3 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 E STORAGE AND TRANSPORTATION RULES Store the unit in the manufacturer s original packing box in 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 handl2. any The unit must be grounded installation or repair operations The unit must not be operated outside the temperature range Do not use damaged equipment stated in the user s manual and in or conductors to connect the aggressive or explosive environ unit to power mains ments While installing the unit follow the safety regulations specific to Unpack the unit with care 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 position any heating devices or other equipment in close proximity to the unit pow er cable amp VENTS 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 Do not put any water containers on the unit i e flower vases Disconnect the unit from power supply
3. 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 is carried out on site by the service technician The following units incorporate a bypass damper VUT 350 VB EC A11 and VUT 550 VB EC A11 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 Defro
4. to the requirements stated in the present user s manual Premio Installation k technician s full name 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 E WARRANTY CARD Product type Heat recovery air handling unit cas la Model VUT___V_ECAM a Serial number i MA Manufacturing date S Salesdate Pd Warranty period Salescompany o Seller s seal
5. UALIFICATION ALL OPERATIONS WITHTHE UNIT MUST BE PERFORMED ONLY BY PROPERLY QUALIFIED PERSONNEL AFTER THE APPROPRIATE SAFETY BRIEFING THE UNIT INSTALLATION SITES MUST PREVENT ACCESS BY UNATTENDED CHILDREN E DELIVERY SET a a a C E Unit 1 item User s manual 1 item Control panel user s manual 1 item Control panel 1 item Outdoor temperature sensor 1 item Drain pipe 1 item Packing box E DESIGNATION KEY VUT X VX EC A11 Darne VUT ventilation with heat recovery Air capacity m h Spigot orientation V vertical spigot orientation Extra components y _ No components available B bypass Motortype electronically commutated Control panel up to 80 amp VENTS Hazardous parts access and water ingress protection rating IP 44 for the unit motors IP 22 for the assembled unit connected to the air ducts MH TECHNICAL DATA The unit is designed for indoor application with the ambient temperature ranging from 1 C up to 40 C and relative humidity The unit design is regularly improved so some models can slightly differ from those ones described in this manual Model VUT 160 V EC A11 VUT 350 VB EC A11 VUT 550 VB EC A11 Unit voltage V 50 60 Hz 1 230 Max unit power W 51 166 333 Max unit current A 0 4 1 3 2 3 Max air capacity m h 180 415 700 RPM 3770 3200 3230 Sound pressure level at 3 m distance dB A 44 51 55 T
6. USER S MANUAL VUT 160VECA11 VUT 350 VB EC A11 VUT 550 VB EC A11 HEAT RECOVERY AIR HANDLING UNIT D VENTS E VENT CONTENTS Safety requirements 3 Introduction 5 Use 5 Delivery set 5 Designation key 5 Technical data 6 Unit design and operating logic 7 Mounting and set up 8 Condensate drainage 10 Connection to power mains 11 Unit control 11 Maintenance 12 Fault handling 13 Storage and transportation rules 13 Manufacturer s warranty 14 Acceptance certificate 15 Seller information 15 Connection certificate 15 Warranty card 15 E SAFETY REQUIREMENTS Read the user s manual carefully prior to the operation and installation of the VUT VB EC A11 or VUT V EC A11 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 A DO NOT UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS The unit must be disconnected from power supply prior to
7. ected 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 Install the unit on the preset floor supports minimum set and should be ordered separately While choosing fasteners 150 mm height to ensure sufficient access for the drain pipe consider the material of the mounting surface as well as the connection to the U trap and for condensate drain system weigh of the unit refer Technical Data Fasteners for unit mounting mounting should be selected by Customer Service technician Fix the wall mounted hook at the appropriate level and fix the unit on the hook min 150 mm a WALL MOUNTED CONTROL PANEL INSTALLATION Fixing methods for control panel wall mounting wall surface mounting wall flush mounting Example of wall flush mounting using a mounting box is shown in the control panel user s manual The mounting box and the mounting kit must be pu
8. ent must be not less than the consumption current refer to Technical data Connect the unit to the terminal block X1 located on the hinged panel of the control unit in compliance with the wiring dia gram Wiring diagram 17 16 15 14 13 12 11 10 Out Gnd E A B Gnd 12V ro 00 N oO wu S w N X1 ELECTRIC SHOCK HAZARD Y E E E ccU 3 OutendE A TB Gnd uy no contact O a m p toc AT alr Niz Mr Z Power input 230 VAC DX cooler 2x0 75 mm Supply air damper actuator Me 2x0 75 mm Extract air damper actuator w 2x0 75 mm Contact from fire alarm panel 2x0 75 mm Control panel Outdoor temperature sensor is not included into delivery set Maximum connecting cable length is 20 m mM UNIT CONTROL The unit is operated with the control panel For detailed information read the control panel user s manual amp 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 v
9. ing and transportation to prevent possible mechanical damages of the unit Fulfil the requirements for transportation 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 amp 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 ofthe complete unit or the faulty part thereof The warranty repair does not include routine maintenance e unit installation dismantling 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 in the user s manual Contact the Seller for warranty
10. ket on the control unit refer the wiring diagram Humidity Contact socket for s sensor connection ee EE contact Humidity sensor to the control unit socket HV1 Exhaust air duct a THE OUTDOOR TEMPERATURE SENSOR MOUNTING The outdoor temperature sensor must be installed away from interference sources such as direct sunlight draughts etc 1 Remove two screws that retain 2 Take off the sensor 3 Install the sensor on the outer 4 Install the sensor cover the sensor cover cover wall back 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 Left handed modification Right handed modification Service side change for unit mounting amp VENTS E UNIT MOUNTING To attain the best performance of the unit and to minimise turbulence induced air pressure losses while mounting connect the straight air duct section to the spigots on both sides of the unit Minimum straight air duct length e equal to 1 air duct diameter on intake side equal to 3 air duct diameters on outlet side If the air ducts are not conn
11. olume The filters require cleaning not less than 3 4 times per year Vacuum cleaning is allowed 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 effi ciency regular cleaning is required To clean the heat exchanger s pull it them out of the unit and flush it them with warm detergent solution After cleaning install the dry heat exchanger s 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 accumulate inside the air ducts and reduce the unit perfor mance Duct maintenance means regular cleaning or replacement 6 Control unit maintenance
12. 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 ES EY WENN TE E INTRODUCTION This user s manual includes technical description operation installation and mounting guidelines technical data for the VUT VB EC A11 and VUT V EC A11 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 OR MENTALLY DISABLED PERSONS PERSONS WITH SENSORY DISORDER PERSONS WITH NO APPROPRIATE Q
13. ransported air temperature C from 25 up to 60 C Casing material painted steel Insulation 20 mm 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 125 5160 9200 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 Heat exchanger material counter flow polystyrene Model D D1 B VUT 160 V EC A11 125 18 348 VUT 350 VB EC A11 160 18 610 VUT 550 VB EC A11 200 18 741 Dimensions mm B1 H 330 650 592 758 722 758 H1 L 550 600 675 734 675 825 L1 L2 388 143 426 230 493 284 m UNIT DESIGN AND OPERATING LOGIC Control panel Outdoor temperature sensor Electric lead ins Service panel o Control unit Bypass damper Supply air temperature sensor Counter flow heat exchanger Extract filter Supply 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
14. rchased separately MH 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 DRAIN PIPE rf Amin 3 DRAIN HOSE SEWAGE SYSTEM CONNECTION TO POWER MAINS 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 ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED AND WILL VOID THE WARRANTY The unit is rated for connection to a single phase ac 230 V 50 60 Hz The unit shall be connected to power supply by means of insulated durable and thermal resistant cords cable wires with respective cross section in any case no less than 1 mm Connect the cables to the control unit using the electric lead ins on the top of h unit Connect the unit to power mains through the external automatic circuit breaker with magnetic trip integrated into the fixed wiring system with the rated current not below the rated current consumption The external circuit breaker position must ensure free access for quick power off of the unit The trip curr
15. re flood earthquake war hostilities of any kind or blockades missing seals if provided by the user s manual 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 A LONG 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 a ACCEPTANCE CERTIFICATE Product Type Serial Number Pn Manufacturing Date S O 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 Shopname Te Phonenumber This is to certify delivery of the complete unit with the user s manual The warranty terms are acknowledged and accepted Customer s signature E CONNECTION CERTIFICATE VUT___ V EC A11 heat recovery air handling unit has been connected to power mains pursuant
16. service The manufacturer s warranty does not apply to the following cases user s failure to provide the unit with the entire delivery package as stated in the user s manual or with missing component parts previously dismounted by the user 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 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 user s 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 user s discretionary repair of the unit unit repair performed by any persons not authorized by the manufacturer 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 fi
17. sting mode to prevent the heat exchanger freezing in the cold season the unit has an automatic defrosting mode ac cording 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 bypasses the heat exchanger The intake air temperature remains constant Heat recovery mode Defrosting mode Summer cooling mode EXTRACTAIR SUPPLY AIR EXHAUST AIR EXTRACTAIR INTAKE AIR EXHAUST AIR EXTRACT AIR SUPPLY AIR INTAKE AIR SUPPLY AIR EXHAUST AIR INTAKE AIR arg A g Service side view Service side view amp VENTS E MOUNTING AND SET UP THE UNIT MUST BE MOUNTED BY A QUALIFIED EXPERT ONLY PROPERLY TRAINED AND HAVING THE REQUIRED TOOLS AND MATERIALS E HV1 HUMIDITY SENSOR MOUNTING The HV1 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 soc
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