User`s manual "VENTS VUT PB EC (A11)" ( PDF 3,78Mb )
Contents
1. Dimensions mm D A A1 A2 B B1 B2 B3 H H1 L L1 L2 L3 L4 L5 L6 VUT 160 PBECA11 125 1004 1104 1072 754 822 480 410 340 361 386 293 245 31 128 123 216 VUT350PBECA11 160 1135 1234 1202 1044 1112 680 610 340 363 555 417 345 40 119 144 282 Model V108 2 A11 EN 02 indd 6 e 13 08 2015 14 58 25 m UNIT DESIGN AND OPERATING LOGIC Control unit Supply air temperature sensor Supply fan Extract fan Bypass damper Freeze protection sensor Extract filter Supply filter HV1 humidity sensor Outdoor air temperature sensor Counter flow heat exchanger Drain pan Service side Detachable service plates for filter maintenance operations eo MENTS Control panel a Electric lead ins o o o ml ld lle T dl J 4 o o e o Drain pipes hd Additional equipment for the unit is purchased separately as an accessory e HV1 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 down2. Defrosting mode 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 EXHAUST AIR SUPPLY AIR lt lt dA EXTRACT AIR 4 INTAKE AIR Summer Cooling mode the bypass damper is opened the intake air that is supplied to the premises bypasses the heat exchanger The intake air temperature remains constant EXHAUST AIR o SUPPLY AIR g le EXTRACT AIR INTAKE AIR V108 2 A11 EN 02 indd 8 e 13 08 2015 14 53 28 eo VENTS B MOUNTING AND SET UP THE UNIT MUST BE MOUNTED BY A QUALIFIED EXPERT ONLY PROPERLY TRAINED AND HAVING THE REQUIRED TOOLS AND MATERIALS n HV1 HUMIDITY SENSOR MOUNTING AND CONNECTION The HV1 humidity sensor is not included in the delivery set and can be ordered separately Remove the service panel from the service side and install the humidity sensor into the mount from the s
3. A11 Unittyp wl VUT ventilation with heat recovery Air capacity m h Spigot orientation u P suspended mounting horizontal spigot orientation Extra components u B bypass Motor type m electronically commutated Control panel V108 2 A11 EN 02 indd 5 e 13 08 2015 1453 25 eo VENTS n 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 96 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 Technical data VUT 160 PB ECA11 VUT 350 PB EC A11 Unit voltage V 50 60 Hz 1 230 Max unit power W 50 170 Max unit current A 0 4 1 3 Max air capacity m h 190 410 RPM 3770 3200 Sound pressure level at 3 m distance dB A 26 34 Max transported air temperature C from 25 to 60 Casing material aluzinc steel Insulation 40 mm mineral wool Extract filter G4 Supply filter F7 optional G4 Connected air duct diameter mm 125 0160 Weight kg 52 74 Heat recovery efficiency from 82 to 94 96 from 80 to 91 96 Heat exchanger type counter flow Heat exchanger material aluminium
4. and mounting guidelines technical data for the VUT PB EC A11 heat recovery air handling unit hereinafter referred as the unit MH PURPOSE Due to the ability to save heating energy by means of energy recovery the unit is an important element of energy efficient premises The unit is a component part and is not designed for independent operation The unit is designed to ensure continuous mechanical air exchange in houses offices hotels cafes conference halls and other utility and public spaces as well as to recover the heat energy contained in the air extracted from the premises to warm up the filtered stream of supply air Transported air must not contain any flammable or explosive mixtures evaporation of chemicals coarse dust soot and oil particles or environments favourable for the formation of hazardous substances toxic substances dust pathogenic germs sticky substances and fibrous materials THEUNITMAY NOTBEOPERATED BY CHILDREN ORPERSONSWITH REDUCED PHYSICAL MENTAL OR SENSORY CAPACITIES OR LACKING THE APPROPRIATE TRAINING THE UNIT MUST BE INSTALLED AND CONNECTED ONLY BY PROPERLY QUALIFIED PERSONNEL AFTER THE APPROPRIATE BRIEFING THE CHOICE OF UNIT INSTALLATION LOCATION MUST PREVENT UNAUTHORIZED ACCESS BY UNATTENDED CHILDREN LS DELIVERY SET Unit 1 item User s manual 1 item m Control panel user s manual 1 item Control panel 1 item Packing box 1 item LEN DESIGNATION KEY VUT X PB EC
5. and the Filters fans or the heat exchanger are soiled Clean or replace the iilt heat exchanger The ventilation system is soiled or damaged Make sure the air ducts are clean and intact The impellers are soiled Clean the impellers The screw connection of fans is loose Make sure the fastening screws are tight 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 arranged not correctly E STORAGE AND TRANSPORTATION REGULATIONS Store the unit in the manufacturer s original packing box in a dry ventilated premise at ambient temperatures from 5 C to 40 C Storage environment must not contain aggressive vapours and chemical mixtures provoking corrosion insulation and sealing deformation Use suitable hoist machinery for handling and storage operations to prevent possible damage to the unit Follow the handling requirements applicable for the particular type of cargo The unit can be carried in the original packing by any mode of transport provided proper protection against precipitation and mechanical damage Avoid sharp blows scratches or rough handling during transportation loading and unloading V108 2 A11 EN 02 indd 13 e 13 08 2015 14 53 98 eo VENTS MANUFACTURER S WARRANTY The manufacturer hereby warrants normal operation of the unit for 24 months after the retail s
6. equipment in close proximity to the unit power cable 13 08 2015 14 53 23 V108 2 A11 EN O2 indd 4 lt W VENTS Do not touch the unit controls with wet hands Do not carry out the unit maintenance with wet hands Do not wash the unit with water Protect the electric parts of the unit against ingress of water Do not store any explosive or highly flammable substances in close proximity to the unit Do not allow children to operate the unit Do not sit on the unit and do not put any objects on it When the unit generates unusual sounds odour or emits smoke disconnect it from power supply and contact the Seller Do not block the air duct when the unit is switched on Use the unit only for its intended purpose 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 mains prior to any technical maintenance Do not damage the power cable while operating the unit Do not put any objects on the power cable Do not open the unit during operation In case of continuous operation of the unit periodically check the security of mounting Do not let air flow from the unit be directed to the open flame devices or candles 13 08 2015 14 53 24 Go VENTS m INTRODUCTION This user s manual includes technical description operation installation
7. timely technical maintenance of the unit External damage to the unit casing excluding external modifications as required for installation and internal components caused by the user Redesign or engineering changes to the unit Replacement and use of any assemblies parts and components not approved by the manufacturer Unit misuse User s violation of the unit installation regulations Users 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 Discretionary repair of the unit by the user Unit repair by any persons without the manufacturer s authorization Expiration ofthe unit warranty period Users violation of the unit transportation regulations User s violation of the unit storage regulations Wrongful actions against the unit committed by third parties Unit breakdown due to circumstances of insuperable force fire flood earthquake war hostilities of any kind blockades Missing seals if provided by the user s manual Failure to submit the user s manual with the unit purchase 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 WARRANTY CLAIMS SHALL BE SUBJECT TO REVIEW ONLY UPON PRESENTATION OF THE UNIT THE PAYM
8. D Unit Type Serial Number Manufacture Date Purchase Date Warranty Period V108 2 A11 EN O2 indd 15 Heat recovery air handling unit VUT PBECAT1 Seller s Stam Company Seal Seller s Stamp 13 08 2015 14 53 33 e V108 2 A11 EN 02 indd 16 e 13 08 2015 14 59 99
9. ENT DOCUMENT AND THE USER S MANUAL WITH THE PURCHASE DATE STAMP V108 2 A11 EN O2 indd 14 e 13 08 2015 1453 38 E ACCEPTANCE CERTIFICATE moa oo sar TT seana TJ Manufacturedate TTTTTT TT eo VENTS 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 Directive2004 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 SELLER INFORMATION Address Phone Number Purchase Date This is to certify delivery of the complete unit with the user s manual n CONNECTION CERTIFICATE The VUT ___ PB EC A11 heat recovery air handling unit has been connected to power mains pursuant to the requirements stated in the present user s manual Installation Technician s Full Name PhoneNumber PO 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 WARRANTY CAR
10. S m UNIT CONTROL The unit is operated with the control panel For detailed information read the control panel user s manual B TECHNICAL MAINTENANCE DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY MAINTENANCE OPERATIONS The unit must undergo technical maintenance 3 to 4 times a year Maintenance includes 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 Vacuum cleaning is allowed After two consecutive cleanings filters must be replaced For new filters contact the Seller To clean or replace the filters remove the detachable plates located on the service side of the unit After cleaning install the filters and the detachable plates in the reverse order 2 Heat exchanger maintenance once a year Some dust may accumulate on the heat exchanger block even in case of regular maintenance of the filters To maintain the high heat recovery efficiency regular cleaning is required The heat exchanger is connected with the drain pan by the fixing bands that should be removed only in case of heat exchanger replacement The drain pan is fixed to the unit casing using three screws To clean the heat exchanger pull it and the drain pan out drain the water through the pipes then flush the heat exchanger with warm detergent s
11. S CONNECTION OF THE UNIT TO POWER MAINS IS ALLOWED BY A QUALIFIED ELECTRICIAN WITH A WORK PERMIT FOR THE ELECTRIC UNITS UP TO 1000 V AFTER CAREFUL READING OF THE PRESENT USER S MANUAL THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE MANUFACTURER S LABEL ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED AND WILL VOID THE WARRANTY The air handling unit is rated for connection to single phase AC 230 V 50 60 Hz power mains The unit has a power cord with a plug and must be connected to a standard grounded outlet The power cord is pre wired to the terminal block The external power input must be equipped with an automatic circuit breaker built into the stationary wiring to open the circuit in the event of overload or short circuit The trip current must be not less than the consumption current refer to Technical data The circuit breaker location must ensure free access for quick shutdown of the unit n CONNECTION OF ADDITIONAL EXTERNAL CONTROLS The unit has an option of connection of additional external controls DX cooler electric actuator of outer supply and exhaust air dampers contact from fire alarm panel The unit controls are connected to the X1 terminal block which is located in the control unit The cables are connected to the control unit via the electric lead ins If intake air cooling is needed the DX cooler operating signal closes the contacts 8 and 9 X1 terminal to allow operating of the cooler
12. USER S MANUAL VUT 160 PB EC A11 VUT 350 PB EC A11 Heat recovery air handling unit j V108 2 A11 EN O2 indd 1 e 13 08 2015 14 53 20 V108 2 A11 EN 02 indd 2 eo MENTS CONTENTS Safety requirements tbe ser ire re ERA R WAA NAN W ARAN 3 li j e e Ji ei e T PK e a e E a a ay 5 PULP OS Orsi Sn n n NN ANN NR SNOW N WNN 5 Bulle 5 D SIQMALIOM KEY M 5 Technical data 6 Unit design and operating logic seen tttnnntttnnnn 7 Mounting and set up e sseesccssssccsssecesssecesssecssnsecesnsecesssecesssecesnseessneceesaseessneesenseees 9 Condensate drainage WANA WAA AWA e WAA AA 10 Connection to power fall lS i y515 i ecsnr k Hece NNN ece ee 11 U nb CO MUON pec 12 Technical maintenance ss 12 Troubleshooting 54s i na dilan sunne annsira N nn Wene 13 Storage and transportation regulations eene 13 Manufacturer s warranty s ai sx inll 1 p 0 in 14 Acceptance centifi Ca t i inin kulle n n enin Ra i n HN nn 15 Seller in Torina ti Ol si ky suya sayan ana ika ka daka ER Wek 15 Coniiection certificate ro rere reperto irte iion 15 Warranty Card xuna iwan nnn M 15 13 08 2015 14 53 20 a SAFETY REQUIREMENTS Read the user s manual carefully prior to installing and operating th
13. aintenance and repair Fasteners for ceiling mounting are not included in the delivery set and should be ordered separately While choosing fasteners consider the material of the mounting surface as well as the weigh of the unit refer to Technical data section Fasteners for unit mounting should be selected by the service technician Suspended mounting examples Vibration absorbing rubber Vibration absorbing rubber Nut Washer n WALL MOUNTED CONTROL PANEL INSTALLATION Fixing methods for control panel wall mounting e 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 purchased separately m CONDENSATE DRAINAGE 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 DRAIN HOSE DRAIN HOSE SEWAGE SYSTEM The condensate drainage system is designed for normal operation in premises with air temperatures above 0 C If the expected ambient air temperatures are below 0 C the condensate drainage system must be equipped with heat insulation and pre heating facilities V108 2 A11 EN 02 indd 10 e 13 08 2015 14 53 31 o VENTS m CONNECTION TO POWER MAINS DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY OPERATION
14. ale date provided the user s observance of the transportation storage mounting and operation regulations Should any malfunctions occur in the course of the unit operation through the Manufacturer s fault during the guaranteed period of operation the user is entitled to elimination of faults by the manufacturer by means of warranty repair at the factory free of charge The warranty repair shall include work specific to elimination of faults in the unit operation to ensure its intended use by the user within the guaranteed period of operation The faults are eliminated by means of replacement or repair of the unit components or a specific part of such unit component The warranty repair does not include routine technical maintenance unit installation dismantling unit setup To benefit from warranty repair the user must provide the unit the user s manual with the purchase date stamp 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 User s failure to submit the unit with the entire delivery package as stated in the user s manual including submission with missing component parts previously dismounted by the user e Mismatch of the unit model and the brand name with the information stated on the unit packing and in the user s manual User s failure to ensure
15. and opens them to block the operation The permissible current via the power contacts must not exceed 2 A 230 V When connecting the supply and or exhaust air dampers to the contacts 4 and 5 X1 terminal ofthe external connection terminals electric voltage 230 V 50 60 Hz is supplied to the above terminals when the air dampers must be opened and is cut off when the air dampers must be closed The automatic fire extinguishing system contact is connected to the contacts 6 and 7 X1 terminal The contact must be normally open If the fire alarm signal turns on the contact closes that results in equipment shutdown External controls wiring diagram x 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ELECTRIC SHOCK HAZARD iN L N PE L N c no c no 12ViGND B A 5V GND Vo aI s s 3 3 8 85 2 1 2 1 mE _ HA B A 5V Gnd vo 2 L N JLt N g E Y 2t g E o8 Sla smr sv2 Pkr 8 P DX cooler 2x0 75 mm Supply air damper actuator 2x0 75 mm Exhaust air damper actuator 2x0 75 mm Contact from a fire alarm panel 2x0 75 mm Control panel The sensor is installed by the manufacturer Outdoor air temperature sensor DEDI pply air duet s not included in the delivery set Maximum connecting cable length is 20 m V108 2 A11 EN O2 indd 11 e 13 08 2015 14 53 31 WENT
16. below the set point the unit returns to the previous mode Installation and connection of the humidity sensor see page 9 is carried out on site by the service technician e NKP duct heater for supply air pre heating The heater maintains the duct air temperature at a point that prevents the heat exchanger freezing A control system regulates heater operation Mounting and connection of the heater see page 9 V108 2 A11 EN 02 indd 7 13 08 2015 14 53 26 eo VENTS a 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 m _ r 9 eo i EXHAUST AIR SUPPLY AIR Xl TT Hs edb E A o EXTRACT AIR INTAKE AIR 14 o o A e
17. e VUT PB EC A11 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 norms and standards The warnings contained in the user s manual must be considered most seriously since they contain vital personal safety information eo Ld 22 Failure to follow the rules and safety precautions noted in this user s manual may result in an injury or unit damage After a careful reading of the manual keep it for the entire service life of 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 V108 2 A11 EN 02 indd 3 A DO NOT UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS The unit must be disconnected from power supply prior to any installation or repair operations The unit must not be operated outside the temperature range stated in the user s manual and in aggressive or explosive environments 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 The unit must be grounded Do not use damaged equipment or cables when connecting the unit to power mains Unpack the unit with care Do not position any heating devices or other
18. ide of the extract air duct then connect the humidity sensor contact socket to the respective contact socket coming from the control unit VY n NKP HEATER MOUNTING The NKP heater is not included in the delivery set and can be ordered separately The heater is rated for connection to single phase AC 230 V 50 60 Hz The heater is designed for mounting in the air duct connected with the supply spigot of the unit The electric heater and the air handling unit must be connected via the cable with the DB 9M connectors through the prewired DB 9F connectors On CEs Ba V108 2 A11 EN O2 indd 9 e 13 08 2015 14 58 80 eo HEWTA a UNIT MOUNTING To attain the best performance of the unit and to minimise turbulence induced air pressure losses connect the straight air duct section to the spigots on both sides of the unit while mounting 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 too short or not connected protect the unit parts from ingress of foreign objects To prevent uncontrollable access to the fans the spigots may be covered with a protecting grille or other protecting device with mesh width not more than 12 5 mm While installing the unit ensure convenient access for subsequent m
19. olution After cleaning install the dry heat exchanger with the drain pan back to the unit V108 2 A11 EN O2 indd 12 e 13 08 2015 1453 32 eo Ld Ej 3 Fan maintenance once a 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 Do not use water aggressive solvents or sharp objects as they may damage the impeller 4 Technical maintenance of condensate drainage system once a 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 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 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 electrical installations with the voltage up to 1000 V after careful reading of the user s manual E TROUBLESHOOTING Make sure the power supply line is connected No power supply correctly otherwise troubleshoot a connection error lean or repl he filters clean the fans
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