User`s manual "VENTS VUT 2000
Contents
1. VUT 2000 PE EC VUT 3000 PE EC HEAT RECOVERY AIR HANDLING UNIT www ventilation system com LL CONTENTS Safety requirements Introduction Use Delivery set Designation key Technical parameters Design and operating logic Mounting and set up Connection to power mains Unit control Maintenance Troubleshooting Storage and transportation rules Manufacturer s warranty Acceptance certificate Seller s information Mounting certificate Warranty card ANA WwW A 4 c 4 X HH O SAFETY REQUIREMENTS Read the user s manual carefully prior to the operation and installation of the heat recovery air handling unit hereinafter the unit Installation and operation of the unit shall be performed in accordance with the present user s manual as well as the provisions of all the applicable local and national construction electrical and technical codes and standards e 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 regulations 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 SAFETY PRECAUTIONS2. The unit must be disconnected from the power supply prior to every installation or repair operation Do not position any heating devices or other equipment in close proximity to the unit power cord While installing the unit follow the safety regulations specific to the use of electric tools Do not change the power cord length at your own discretion Do not bend the power cord Avoid damaging the power cord The unit must not be operated outside the temperature range stated in the user s manual or in aggressive or explosive environments Do not use damaged equipment or conductors to connect the unit to power mains Unpack the unit with care Use the unit only as intended by the manufacturer UNIT OPERATION SAFETY PRECAUTIONS Do not touch the unit controls with wet hands Do not carry out the unit maintenance with wet hands Do not block the air duct when the unit is on Do not let children operate the unit Keep combustible gases and inflammable products away of the unit In case of unusual sounds smoke disconnect the unit from power supply and contact the service centre www ventilation system com Do not wash the unit with water Protect the unit electric parts from water ingress 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 Do not let
3. air flow from the unit be directed to the open flame devices or candles INTRODUCTION a GEL T NND This user s manual includes technical description operation installation and mounting guidelines technical data for the heat recovery air handling unit VENTS VUT PE EC hereinafter referred as the unit The unit with heat recovery and electric heater is designed to save heat energy by means of heat recovery and is one of the energy saving components used in the buildings and premises VUT PE EC is a component unit and is not designed for independent 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 Transported air must not contain any flammable or explosive mixtures evaporation of chemicals coarse dust soot and oil particles 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 QUALIFICATION ANY 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 User s manual for th
4. C unit has been connected to power mains pursuant to the requirements stated in the present user s manual Company name p Installation technician s full name This is to certify that the work specific to the unit installation has been performed in accordance with Pio ec qut all the applicable provisions of local and national construction electrical and technical codes and Installation technician s standards The unit operates normally as intended by the manufacturer company seal 2 Product type Heat recovery air handling unit Model VUL PEEC j Iescompay mee 2 Selessel VENTS
5. anger and is exhausted outside by the extract fan through the air ducts Clean cold air from outside is moved by the supply fan to the unit where from it is directed to the supply filter Then filtered air flows through the heat exchanger and moves to the room through the air ducts Heat energy of warm extract air is transferred to clean intake fresh air from outside and warms it up Heat recovery minimizes heat energy losses energy demand and operating costs for air heating accordingly The unit is equipped with a detachable service panel for repair works and preventive maintenance and a cover enabling access to the control system components DESIGN AND OPERATING LOGIC TOP VIEW By pass damper a Drain pan Supply filter 3 34 ma Extract fan Intake air Exhaust air Extract air Supply air i Control unit case Supply fan Duct humidity sensor option Electric heater Extract filter X Cross flow heat exchanger The basic unit delivery set includes a remote control panel for connection to the control system inside the unit casing The unit comprises a supply and an extract centrifugal single inlet fan with forward curved blades and maintenance free EC motors with external rotor and built in overheat prote
6. clamp and the holder in the extract air duct upstream of the heat exchanger FS oup eed Hn 24V AC Digital input DI Digital output DO Analogue output 5485 Supply air damper Extract air damper Supply filter Extract filter Supply fan Exhaust fan Control panel Electric air heater Plate heat exchanger Supply damper actuator Extract damper actuator ypass damper electric actuator Outer air temperature sensor Temperature sensor at heat exchanger outlet uct temperature sensor oom air temperature sensor included in the control panel delivery set Overheat protection thermostat actuated at 60 with automatic reset Overheat protection thermostat actuated at 90 C with manual reset Duct humidity sensor Indoor humidity sensor Not included into the delivery set available on separate order zo S The recommended maintenance periodicity is 3 4 times per year The maintenance and servicing routines include regular cleaning and the following operations 1 Filter maintenance 3 4 times a year Contaminated filters increase air resistance thus impairing supply air volume into the premises Clean the filters as these get dirty but at least 3 4times a year Use a vacuum cleaner to remove the contamination or use new filters Change the filters after the second cleaning New filters can be purchased from the unit seller F
7. ction a plate cross flow heat exchanger an electric heater a supply and an extract filter The supply G4 filter cleans supply air flow and prevents contamination of the unit parts The extract G4 filter prevents contamination of the unit components Some condensate may be generated during heat recovery The condensed fluid is collected in the drain pan and is removed from the unit through the drain pipes www ventilation system com UNIT MOUNTING The unit is designed for suspended mounting by means of the threaded rod fixed in the threaded dowel pin Threaded dowel pin Nut Washer Fixing bracket Vibration absorbing rubber Nut and lock nut 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 The minimum straight duct section length must be equal to one air duct diameter on air intake side and three times diameter on air exhaust 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 SAFETY PRECAUTIONS The unit is designed for mounting on a rigid and stable structure The unit is mounted with anchor bolts Make sure tha
8. e air handling unit 1 item Unit 1 item Control panel 1 item User s manual for the control panel 1 item Packing box 1 item Outdoor temperature sensor 1 item DESIGNATION KEY Control panel PU SENS 01 with a sensor display A7 PU JK 01 with a LCD display Motor type EC electronically commutated motor L u Heatertype E electric heater a Mounting option P suspended mounting a Rated air capacity m h Unittype VUT heat recovery ventilation www ventilation system com TECHNICAL PARAMETERS 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 The unit is classified as a class electric appliance Hazardous parts access and water ingress protection standard IP 44 for the unit motors IP 22 for the assembled unit connected to the air ducts The unit design is regularly being improved so some models can slightly differ from those ones described in this manual UNIT OVERALL DIMENSIONS MM 405 563 B2 225 347 500 570 761 881 367 427 1400 1835 1453 1888 UNIT TECHNICAL DATA T The unit operates as follows Warm stale extract air from the room flows through the air ducts to the unit where it is filtered then air flows through the heat exch
9. ed in consideration of the maximum wire temperature depending on the wire and insulation type the maximum current the lead wire length and its installation method Use copper wires only Connect the unit to power mains through the terminal block which is located in the terminal box on the side of the unit in compliance with the wiring diagram and the terminal marking Connect all the control and supply cables in compliance with the terminal marking and polarity Connect the unit to power mains through an external thermal magnetic circuit breaker integrated into the fixed wiring system The trip current should be not below the current consumption B ao pene iz pens vana pra ho 9 e 7 e eve fa T LI type Supply air damper actuator LF230 2x0 75 mm LL Extract air damper actuator LF230 2 0 75 mm Contact from fire alarm panel wo 2x0 75 mm Y Outdoor temperature sensor 3 0 75 E gt 1 unit delivery set includes P1 and TE1 only ole 2 Maximum connecting cable length is 20 m e z 1 AN ELECTRIC SHOCK HAZARD www ventilation system com HV1 duct humidity sensor is a special accessory that is not included into the delivery set To install the sensor connect the humidity sensor socket connector XS7 to the socket connector XS7 inside the unit Then fix the sensor with the
10. g Clean the U trap and drain pipe if required 5 Extract and supply diffuser cleaning as required Remove the diffusers and louver shutters and wash these with warm mild detergent solution 6 Air intake checking twice a year Leaves and other pollutions can clog the supply air grille and reduce the unit performance and supply air volume Checkthe supply grille twice per year and clean it as required 7 Duct system checking every 5 years Even regular fulfilling of all the prescribed above maintenance operations may not completely prevent dust accumulation in the air ducts which reduces the unit performance The air duct maintenance includes regular cleaning or replacement TROUBLESHOOTING POSSIBLE FAULTS AND TROUBLESHOOTING No powers ppi Make sure the unit is properly connected to power mains P otherwise troubleshoot a connection error uneven doe not start 55 Turn the unit off Troubleshoot the motor jam and the up during the unit Motor is jammed the impeller are clogged start up impeller clogging Clean the blades Restart the unit For troubleshooting of the control system errors refer to the System alarm control panel manual Overcurrent as a result of short circuit the following the unit PNIS electric circuit turning on Low set fan speed Set higher speed The filters the fans or the heat exchanger are Clean or replace the filters clean the fans and the heat contam
11. ilter removing 1 Unlatch the service panel 2 Support the service panel with a hand and open it 3 Remove the filters from the unit 2 Heat exchanger checking once a year Even regular filter technical maintenance may not completely prevent dirt accumulation on the heat exchanger unit Clean the heat exchanger on a regular basis to ensure its high heat recovery efficiency To clean the heat exchanger remove it from the unit and wash it with warm neutral detergent solution Re install the dry heat exchanger back into the unit Removing the heat exchangers 1 Unlatch the service panel 2 Support the service panels with a hand and open those 3 Remove the four screws to take the drain pan off 4 Remove the nine retaining screws off the heat exchanger and remove the heat exchanger carefully from the unit www ventilation system com 3 Fan inspection once year Even regular technical maintenance of the filters and heat exchanger may not completely prevent dust accumulation in the fans which reduces the fan capacity and impairs supply air volume into the premises Clean the fans with a cloth or a soft brush Do not use water aggressive solvents sharp objects etc for cleaning not to damage the impeller 4 Condensate drain checking once a year The drain pipes may get clogged with the extracted particles Pour some water inside the drain pan and check the pipe for cloggin
12. inated exchanger Low air flow The air ducts diffusers louver shutters grilles are Clean or replace ventilation system components as air ducts clogged or contaminated diffusers louver shutters grilles The air dampers diffusers or louver shutters are Make sure the air dampers diffusers or louver shutters are closed fully opened The extract filter is soiled Clean or replace the extract filter Check the heat exchanger condition Turn the unit off and The heat exchanger is frozen restart it after the heat exchanger freezing danger is no longer imminent Electric heater malfunction Contact the unit seller for troubleshooting The impeller is soiled Clean the impeller D Tighten the screw connection in the fan or the casing against Turn the unit off Contact the service centre Low supply air temperature High noise vibration The fan or casing screw connection is loose stop No anti vibration dampers Install anti vibration rubber mounts 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 The drain line is clogged damaged or wrong Condensate leakage ti uhted STORAGE AND TRANSPORTATION RULES Store the unit in the manufacturer s original packing box in a dry ventilated premise at the temperatures from 5 C up to 40 C and relative humidity up to 80 Storage environment must not contain aggressive
13. mperatures are below 0 the condensate drainage system must be equipped DO NOT CONNECT SEVERAL DRAIN PIPES FROM SEVERAL AIR with heat insulation and pre heating facilities HANDLING UNITS TO ONE U TRAP DIRECT CONDENSATE OUTSIDE WITHOUT CONNECTION TO DRAIN SYSTEM IS NOT ALLOWED Drain pipe Sewage system Drain pipe 2 OUTDOOR TEMPERATURE SENSOR INSTALLATION Mounting of the outdoor temperature sensor 1 Remove two screws from the sensor cover 2 Take off the cover from the sensor 3 Install the sensor on the outside wall The wall must not be D exposed to direct sunlight 4 Install the sensor cover back CONNECTION TO POWER MAINS DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY ELECTRIC INSTALLATION OPERATIONS 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 DETAILED STUDY OF THE PRESENT USER S MANUAL THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE SHOWN ON THE RATING PLATE ANY INTERNAL CONNECTION MODIFICATIONS ARE NOT ALLOWED AND RESULT IN WARRANTY LOSS The unit is rated for connection to three phase ac 400 V 50 Hz The unit shall be connected to power supply by means of insulated durable and thermal resistant cords cables wires with respective cross section in any case no less than 4 mm2 The above cross section is for reference only The applicable cable must be select
14. t a mounting construction has sufficient load capacity matching the unit weight Otherwise reinforce the installation place by beams etc If the threaded bolts used for the unit mounting are too short the unit can generate abnormal noise and resonate with the ceiling The suspended bolts must be long enough to prevent resonating If the unit connection place to the spiral seam duct is supposed to be the source of abnormal noise replace the spiral seam air duct with the flexible one Optionally the flexible connectors may be used to prevent resonating CONDENSATE DRAINAGE iz gap The condensate drain pan in the heat recovery section is equipped with hoses for removal of the condensed fluid outside the unit Connect the pipe U trap not included in delivery package and sewage collection system with metal plastic or rubber connecting pipes The pipe slope downwards must be at least 3 Fill up the system with water before connecting the unit to the power mains The U trap must always be filled with water during the unit operation Make sure that the water flows freely into the sewage collection system or otherwise condensed water may build up in the unit during the heat exchanger operation and cause equipment failure and condensed water outflow ne um into the premises trap The condensate drainage system is e designed for normal operation in premises with air temperatures above 0 If the expected ambient air te
15. th the one stated in the user s manual Contact the unit Seller for warranty service The manufacturer s warranty does not apply to the following cases e Users 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 Unit misuse Users violation of the unit installation regulations User s violation of the unit management regulations Unit connection to the power pains 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 without the manufacturer s authorization e Expiry of the unit warranty period 5 violation of the established regulations specific to the unit transportation Users violation of the unit storage regulations Wrongful acts against
16. the unit committed by third persons Unit breakdown due to circumstances of insuperable force fire flood earthquake war hostilities of any kind or blockade e 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 SUBJECT TO REVIEW ONLY UPON PRESENTATION OF THE UNIT THE PAYMENT DOCUMENT AND THE USER S MANUAL WITH THE SALE DATE STAMP www ventilation system com 2 Product Heat recovery air handling unit 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 SELLER S INFORMATION p This is to certify delivery of the complete unit with the user s manual The warranty terms are acknowledged and accepted Seller s seal PEE
17. vapours and chemical mixtures provoking corrosion insulation and sealing deformation Use hoist machinery for handling and storage operations to prevent the unit damage Fulfil the handling requirements applicable for the applicable freight type Transportation with any vehicle type is allowed provided that the unit is protected against mechanical and weather damage Avoid any mechanical shocks and strokes during handling operations 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 through the 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 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 document certifying the purchase The unit model must comply wi
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