User`s manual "VENTS VUT H" ( PDF 2,14Mb )
Contents
1. 8 360 246 1000 1050 Unit technical data Unit supply voltage 50 Hz V Total unit power W Total unit current A Max air capacity m h PRM Sound pressure level at 3 m distance dB A Transported air temperature C Casing material Insulation Extract filter Supply filter Replaceable filter G4 Replaceable filter F7 Summer block Connected air duct diameter mm Weight kg Heat recovery efficiency 96 Heat exchanger type Heat exchanger material 260 1 350 1150 24 45 from 25 up to 55 VLVUT 350H 125 45 up to 78 1 230 300 300 390 820 1300 ew 132 72 3 6 5 68 500 530 600 1200 2200 1100 1100 1350 1850 1150 28 47 28 47 32 48 60 65 from 25 to 50 forno from 25 to 40 55 aluzinc 25 mm mineral wool 50 mm mineral wool G4 F7 G4 F7 GA4 F7 SFVUT 1000 SF VUT 2000 SF VUT 350 600 H G4 HG4 HG4 SF VUT 1000 SF VUT 2000 SF VUT 350 600 H F7 HF7 HF7 VL VUT 500 600 H vL on 000 VL MN 0150 0160 0200 0250 0315 49 49 54 85 96 up to 88 up to 88 up to 85 up to 88 up to 87 cross flow Aluminium extra summer blocks and sets of replaceable filters are optional extras and can be purchased separately eo VENTS B UNIT DESIGN AND OPERATING LOGIC Unit operation logic warm stale extract air from the room flows to the unit where it is filtered then air flows through the heat exchanger and is exhausted outside by the extract fan Clean cold air from outside is moved to the supply f2. DED TO BE USED BY CHILDREN PHYSICALLY OR MEN TALLY 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 APPROPRI ATE SAFETY BRIEFING THE UNIT INSTALLATION SITES MUST PREVENT ACCESS BY UNATTENDED CHILDREN E DELIVERY SET Unit 1 item Speed switch 1 item User s manual 1 item Packing box 1 item VUT X H Spigot orientation H horizontal Air capacity m3 h 350 500 530 600 1000 2000 Unit type VUT ventilation with heat recovery eo VENTS E TECHNICAL DATA The air handling unit is intended for operation in closed spaces under ambient air temperatures from 10 C to 50 C 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 The unit design is constantly being improved so some models can slightly differ from those ones described in this manual Unit overall and connecting dimension Dimensions mm Model D B B1 B2 B3 H H1 H2 L L1 VUT 350 H 124 416 300 54 207 603 230 148 722 768 VUT 500 H 149 416 300 54 207 603 230 148 722 768 VUT 530H 159 416 300 54 207 603 230 148 722 768 VUT 600 H 199 416 300 54 207 603 230 148 722 768 VUT 1000 H 248 548 496 60 213 794 290 200 802 850 VUT 2000 H 313 846 796 235 588 96
3. ED BY QUALIFIED PERSONNEL AFTER CAREFUL READING OF THIS USER S MANUAL CONNECT THE UNIT TO AN AC POWER SUPPLY WITH THE VOLTAGE CORRESPONDING TO THE VALUE SPECIFIED IN THE TABLE OF TECHNICAL DATA MAKE SURE THAT THE CABLE IS NOT PINCHED DO NOT SWITCH ON THE UNIT IF THE CABLE IS DAMAGED NEVER REMOVE THE PLUG FROM THE POWER OUTLET WITH WET HANDS DO NOT PULL ON THE ELECTRIC CABLE DISCONNECT THE UNIT FROM POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT THE RATED ELEC TRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE MANUFACTURER S LA BEL ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED AND WILL VOID THE WARRANTY The unit is rated for connection to single phase AC 230 V 50 Hz power mains The connection must be made using durable insu lated and heat resistant conductors cables and wires The external power input must be equipped with an automatic circuit breaker built into the stationary wiring to disconnect all the power mains phases The automatic circuit breaker position must ensure free access for emergency shutdown of the unit Recommended rated current of the circuit breaker depending on the unit model Unit model Rated current of the circuit breaker A VUT 350 H VUT 500 H 1 6 VUT 530 H VUT 600 H 2 VUT 1000 H 6 VUT 2000 H 10 The conductor cross section is 0 75 mm The given conductor section value is tentative In practice the conductor selection shall be based on the maximum permissible wire heating dependi
4. USER S MANUAL VUT 350H VUT 600 H VUT 500 H VUT 1000 H VUT 530 H VUT 2000 H HEAT RECOVERY AIR HANDLING UNIT O VENTI C VENTI CONTENTS Safety requirements 3 Introduction 5 Use 5 Delivery set 5 Designation key 5 Technical data 6 Unit design and operating logic 8 Mounting and set up 9 Condensate drainage 10 Connection to power mains 11 Unit control 12 Maintenance 13 Fault handling 14 Storage and transportation rules 14 Manufacturer s warranty 15 Acceptance certificate 16 Seller information 16 Connection certificate 16 Warranty card 17 E SAFETY REQUIREMENTS Read the user s manual carefully prior to the operation and installation of the VUT H heat recovery air handling unit Fulfil the user s 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 infor mation 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 AN DO NOT UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS The unit must be disconnected from power supply prior to any The uni
5. anchor bolts used for the unit installation may cause abnormal noise resulting from resonance with the natural vibrations of the ceiling If the abnormal noise is generated at the spiral air duct joint replace the spiral air duct with a flexible one to prevent resonance Flexible anti vibration connectors are another alternative for dealing with resonance To ensure the best performance of the unit provide a straight duct section on both sides of the unit at least 1 m in length The unit must be equipped with a grille with the minimum cell diameter of 12 5 mm or a similar protective device preventing free access to the fans P3 1 300 MECHANICAL SPEED SWITCH INSTALLATION MAKES SURE THAT THE SWITCH IS INTACT DO NOT USE DAMAGED SWITCHES DO NOT MOUNT THE SWITCH ONTO AN UNEVEN SURFACE WHILE TIGHTEN ING THE SELF TAPPING SCREWS DO NOT APPLY EXCESSIVE FORCE TO PREVENT SWITCH CASING DEFORMATION The speed switch is part of the unit delivery set and is factory connected to the terminal block located inside the unit control box according the wiring diagram see Fig Wiring diagram Route all the necessary cables and wires to the switch fitting location Install the mounting box not included in the delivery set into the wall Disassemble the switch and disconnect the connected wires eo VENTS Connect the switch according to the wiring diagram see page 12 Place the executive part of the switch into the mounting box Secure the execu
6. des general cleaning of the unit 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 Clean the filters with a vacuum cleaner or replace them For new filters contact your Seller 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 efficiency regular cleaning is required To clean the heat exchanger pull it out flush the heat exchanger with warm detergent solution After cleaning install the dry heat exchanger back to the unit To remove the filters and the heat exchanger proceed as follows make sure the unit is disconnected from power mains undo four clips that fix the front panel from the service side refer to para 1 remove the panel refer to para 2 remove the filters refer to para 3 remove the heat exchanger refer to para 4 1 2 Y mA 7 hA ZZ NS VS b Ww 3 Fan maintenance once a year Even regular technical maintenance of the filters may not completely prevent dirt accumulation in the fans which reduces the fan ca pacity Clean the fans with rugs or a soft brush Do not use water aggressive solvents or sharp objects as they may damage the impeller 4 Technical maintenance of conde
7. diffusers or the louvre shutters are closed The impeller s is soiled The screw connection is loose No anti vibration connectors The drain line is clogged damaged or wrong mounted Make sure the power supply line is connected correctly other wise troubleshoot a connection error Turn the unit off Troubleshoot the motor jam and the impeller clogging Clean the blades Restart the unit Turn the unit off Contact the service centre Set higher speed Clean or replace the filters clean the fans and the heat ex changer Clean or replace the ventilation system components such as air ducts diffusers louver shutters grilles Make sure the air dampers diffusers or the louvre shutters are fully opened Clean the impeller s Tighten the fan or casing screw connection against stop Install anti vibration connectors available upon separate order Clean the drain line if necessary Check the drain line slant inspect the U trap and make sure the drain line is equipped with frost protection 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 envi ronment Use hoist machinery for handling and transportation to prevent possible mechanical damages o
8. e 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 users 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 com ponents 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 5 violation of the unit installation regulations user 5 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 e expiry ofthe unit warranty period user 5 violation of the established regulations specific to the unit transportation user5 violation of the unit storage regulations 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 missing seals if p
9. f 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 E MANUFACTURER S WARRANTY The manufacturer hereby warrants normal operation of the unit over the period of 24 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 routine maintenance unitinstallation 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 document certifying the purchase The unit model must comply with the one stated in the user s manual Contact the Seller for warranty service The manufacturer s warranty does not apply to the following cases users failur
10. hermostat relay Heat exchanger Drain pan B MOUNTING AND SET UP The unit may be suspended on threaded rods that are fixed inside a dowel or may be rigidly fixed on a horizontal plane While mount ing the unit provide enough access for maintenance or repair work Unit ceiling mounting Unit floor mounting Safety precautions In a floor mounted configuration the unit must be provided with a rigid and stable base structure the technical characteristics and unit weight specifications are given in the technical parameters table To fix the unit to the floor use anchor bolts Make sure that the base structure is capable of sustaining the unit weight Other wise reinforce the mounting location with beams or similar elements To fix the unit to the ceiling use anchor bolts The insufficient strength of fastening system causes resonance with the vibra tions generated by the unit which in turn results in unwanted noise Therefore arrange a maintenance area and an inspection hole for air filter heat exchanger and fan service in consideration of the unit overall dimensions see page 6 Provide an inspection hole for each unit Install M8 anchor bolts before proceeding with the installation Insert the anchor bolt into the ceiling mounting opening and secure it with nuts and washers Prior to commencing the installation check the unit casing for any left over foreign objects such as plastic film or paper The lack of length in the
11. ilter Then filtered air flows through the heat exchanger and is moved to the room with the supply fan Heat energy of warm extract air is transferred to clean intake fresh air from outside and warms it up Heat recovery minimizes thermal energy losses and intake air heating expenses in cold seasons The thermostat relay installed in the unit casing provides frost protection of the heat exchanger during cold seasons The difference between the intake and extract air temperatures results in condensation formation in the heat exchanger during the air handling unit operation The condensate is collected in the condensate drain pan and is extracted from the unit via the drain pipe The air handling unit is equipped with specially sealed service panels for repair and maintenance operations The terminal box on the side panel incorporates a terminal block Power and ground cables are connected to the terminal block through the sealed electric lead ins VUT 350 600 H Condensate drain pipe Extract filter Supply filter Supply fan switch Leff a I EXTRACT AIR SUPPLY AIR Extract fan Control unit Terminal box Supply fan Drain pan Thermostat relay Heat exchanger Speed switch VUT 1000 2000 H Supply fan switch Extract filter Supply filter Control unit Speed switch INTAKE AIR EXHAUST AIR Supply fan Condensate drain pipe Extract fan T
12. lation date Signature installation technicians company seal This is to certify that the works specific to the unit installation has been performed in accordance 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 B WARRANTY CARD Product type Heat recovery air handling unit wae TS Tu H i Serial number Manufacturing date wr HN Warranty period Sales company Seller s seal B NOTES
13. ng on the wire type its insulation length and installation method i e overhead in pipes or inside the walls Use copper wires only The unit must be grounded eo VENTS VUT H air handling units must be connected to the power mains in accordance with the wiring diagram and the terminal designations given inside the terminal box or the control unit VUT 350 600 H VUT 1000 2000 H electrical connections diagram electrical connections diagram L P3 1 300 speed switch Control unit N Terminal box P3 1 300 speed switch r PE All the control and power supply wires must be connected in accordance with the terminal markings The supply mains wires are attached to the respective clamps of X1 terminal block VUT 350 600 H or X4 VUT 1000 2000 H The automatic circuit breaker with a thermal magnetic trip protects the unit circuit against overloading and shorting P3 1 300 speed switch is used to activate and deactivate the unit as well as to select the desired operation speed The unit is equipped with a built in heat exchanger protection system to prevent its freezing in the cold season If the heat exchanger freezing becomes imminent a thermostat relay interrupts the supply fan circuit After the supply fan shuts down automatically the heat exchanger is warmed up by the stream of warm air from the extract fan When the heat exchanger has thawed the supply fan acti
14. nsate drainage system once a year The condensate drainage drain line may get clogged by dirt and dust particles contained in the exhaust air Check the drain line opera tion by filling the drain pan under the unit with water clean the U trap and the drain line if necessary 5 Technical maintenance of the supply grille twice a year The supply duct grille may get clogged with leaves and other objects reducing the unit performance and supply air delivery Check the supply duct grill twice a year and clean it as required 6 Technical maintenance of air duct system every 5 years Even regular fulfilling of all the prescribed above maintenance operations may not completely prevent dirt accumulation in the air ducts which reduces the unit capacity The air duct maintenance includes their periodic cleaning or replacement 7 Technical maintenance of the exhaust louver shutters and supply diffusers as required Remove the diffusers and the louvre shutters and wash those with warm detergent solution Do not change the position of the dif fusers and the louvre shutters B FAULT HANDLING No power supply Motor is jammed the impeller blades are soiled Overcurrent resulted from short circuit in the electric circuit Low set fan speed The filters the fans or the heat exchanger are dirty The ventilation system components air ducts diffusers louver shutters grilles are clogged or damaged The air dampers
15. o 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 e eo E INTRODUCTION This user s manual includes technical description operation installation and mounting guidelines technical data for the VUT H heat recovery air handling unit hereinafter referred to as the unit Due to the ability to save heating energy by means of energy recovery the unit is an important energy saving element 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 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 The unit is designed for extended periods of continuous operation without disconnection from the power mains 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 hazardous substances toxic substances dust pathogenic germs THE UNIT IS NOT INTEN
16. rovided 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 eo VENTS m ACCEPTANCE CERTIFICATE Product Type Heat recovery air handling unit H Tr 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 B SELLER INFORMATION Shop name Address Phone number Sales date This is to certify delivery of the complete unit with the user s manual The warranty terms are ac arom x knowledged and accepted Seller s sea VUT H heat recovery air handling unit has been connected to power mains pursuant to the Qe tom Us requirements stated in the present user s manual E Address DE SS S S S 2 52 2 20202 I Phone number Installation E Fi technician s full name ES ast Instal
17. t must be grounded installation or repair operations The unit must not be operated out side the temperature range stated in the user s manual and in aggres sive or explosive environments Do not use damaged equipment or conductors to connect the unit to power mains While installing the unit follow the safety regulations specific to the Unpack the unit with care use of electric tools Do not change the power cable Do not position any heating length at your own discretion Do devices or other equipment not bend the power cable Avoid in close proximity to the unit damaging of the power cable power cable eo 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 inflammable 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 system Do not put any water containers on the unit i e flower vases Disconnect the unit from power supply prior to maintenance D
18. tive part of the switch by means of two screws included in the delivery set Cover the executive part of the switch with the decorative front panel and secure the panel by pressing the panel surface over the latches until they snap in place E CONDENSATE DRAINAGE DO NOT CONNECT SEVERAL DRAIN PIPES FROM SEVERAL AIR HANDLING UNITS TO ONE U TRAP DIRECT CONDENSATE DRAINAGE OUTSIDE WITHOUT CONNECTION TO SEWAGE SYSTEM IS NOT ALLOWED The unit must be connected to a drainage system Connect the drain pipe the U trap not included in the standard delivery set and the sewerage system with metal plastic or rubber pipes The pipes must be installed at the minimum downward gradient of 3 The recommended U trap sizes are given in the table Minimum dimensions mm Unit model A B VUT 350 600 H 120 60 VUT 1000 2000H 200 110 Before starting the unit fill the system with water and checkthat the U trap is always filled with water Make sure that the water drain age is correct Wrong connection to sewage system may result in condensate accumulation inside the unit The condensate drainage system is designed for operation at the ambient temperature above 0 C If the ambient temperature is below 0 C the condensate drainage system must be heat insulated and pre heated Drain pipe Sewage system eo MENTS m CONNECTION TO POWER MAINS THE POWER MAINS CONNECTION SHALL ONLY BE PERFORM
19. vates automatically The recommended operating value for the thermostat relay in the absence of a duct heater in the ventilation system plenum segment is 3 C factory setting To set the thermostat operation temperature turn the control knob until reaching the desired value Pressing the designated keyswitch also turns the supply fan off The keyswitch is located either on the side panel VUT 350 600 H or on the control unit VUT 1000 2000 H The terminal designation diagram is given on the sticker inside the terminal box or the control unit The unit terminal screw markings comply with the respective ones on the electrical diagram The cables are routed into the terminal box through a sealed lead in for electrical hazard class compliance LE SO amies The unit is controlled by means of P3 1 300 speed switch Make sure to install the switch in a convenient location The speed switch is part of the unit delivery set and is factory connected to the terminal block located inside the unit control box according the wiring diagram see Fig Wiring diagram To engage the desired speed turn the speed control knob clockwise into one of the three positions available 1 2 1 Speed 1 2 Speed 2 OFF 3 3 Speed 3 To switch off the unit turn the speed control knob counterclockwise until reaching the OFF position B MAINTENANCE The unit must undergo technical maintenance 3 to 4 times a year Maintenance inclu
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