Vents VUT 160 PB EC, User Manual

Page 1: ...VUT 160 PB EC VUT 250 PB EC VUT 350 PB EC Heat recovery air handling unit USER S MANUAL ...

Page 2: ...oftheVUT160 250 350PBEC unit and all its modifications Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should be able to work in accordance with workplace safety rules as well as construction norms and standards applicable in the territory of the country The information in this user s manual is correct at the time of the document...

Page 3: ...nts Do not touch the unit controls with wet hands Do not carry out the installation and maintenance operations with wet hands Do not wash the unit with water Protect the electric parts of the unit against ingress of water SAFETY REQUIREMENTS Please read the user s manual carefully prior to installing and operating the unit All user s manual requirements as well as the provisions of all the applica...

Page 4: ...m power supply and contact the Seller Do not open the unit during operation Do not direct the air flow produced by the unit towards open flame or ignition sources Do not block the air duct when the unit is switched on In case of continuous operation of the unit periodically check the security of mounting Do not sit on the unit and avoid placing foreign objects on it Use the unit only for its inten...

Page 5: ... premises to warm up the filtered stream of intake air The unit is not intended for organizing ventilation in swimming pools saunas greenhouses summer gardens and other spaces with high humidity 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 stand alone operatio...

Page 6: ... efficiency from 82 up to 94 from 80 up to 98 from 80 up to 91 Heat exchanger type counter flow SEC class A A A 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 In order to prevent condensation on the internal walls of the units it is necessary that the surface temperature of the casing is 2 3 C higher than the dew ...

Page 7: ...6 L3 L3 L5 L L2 L4 A view outdoor connection B view indoor connection L4 L2 L1 L6 L3 Model Dimensions mm ØD A A1 A2 B B1 B2 B3 H H1 L L1 L2 L3 L4 L5 L6 VUT 160 PB EC 125 1008 1105 1073 754 822 480 410 320 361 386 293 245 31 128 123 216 VUT 250 PB EC 125 1008 1105 1073 754 822 480 410 320 361 386 293 245 31 128 123 216 VUT 350 PB EC 160 1138 1235 1203 1044 1112 680 610 320 361 555 417 345 40 119 14...

Page 8: ...in the delivery set can be ordered separately Humidity sensor The HV2 humidity sensor is connected to the controller in VUT 160 250 350 PB EC A21 models and to the terminal block in VUT 160 250 350 PB EC A14 models The HR S humidity sensor is connected to the controller The unit with the installed humidity sensor maintains a set indoor humidity point As the extract air humidity rises above the set...

Page 9: ...r VUT 160 250 350 PB EC A11 VUT 160 250 350 PB EC A14 VUT 160 250 350 PB EC A21 RIGHT HANDED AND LEFT HANDED MODIFICATIONS The figure below shows the arrangement of spigots for left and right handed modifications Choosing the right arrangement can improve the ease of installation shorten the length of the ducts and reduce the number of air duct bends EXTRACT AIR EXTRACT AIR LEFT HANDED MODIFICATIO...

Page 10: ...upstream of the heat exchanger is lower than 3 C for the units with preheating and when exhaust temperature downstream of the heat exchanger is lower than 3 C for the units without preheating To protect the heat exchanger from freezing in the cold season the unit has a Frost Protection mode based on the temperature sensor readings The sensor is installed in the exhaust air duct downstream of the h...

Page 11: ...stem com 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 EXTRACT AIR SUPPLY AIR INTAKE AIR EXHAUST AIR ...

Page 12: ...rvice panel and install the humidity sensor into the mount from the side of the extract air duct and connect the humidity sensor connector to the respective contact socket coming from the control unit HV1 sensor HV2 sensor Install the service panel back to the unit READ THE USER S MANUAL BEFORE INSTALLING THE UNIT ...

Page 13: ... other protecting device with mesh width not more than 12 5 mm While installing the unit ensure convenient access for subsequent maintenance 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 the Technical data section Fastene...

Page 14: ...in hose Drain hose min 3 min 3 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 ...

Page 15: ...aximum current of the connected unit The automatic circuit breaker is not included in the delivery set and can be ordered separately To access the control unit remove the service panel External wiring diagram for VUT 160 250 350 PB EC A11 units ССU no contact Power input 230 VAC Х1 1 L 2 N 3 PE 4 L 5 N 6 c 7 no 8 c 9 no 10 12V 11 GND 12 B 13 A 14 5V 15 GND 16 Vo SM1 1 2 N L SM2 1 2 N L PK1 2 1 P1 ...

Page 16: ...g diagram forVUT 160 250 350 PB EC A21 units GND GND X1 L L PE N NO NO A B N NC C NO NO C C NO C NO C 24V 24V L N 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 0 10V GND А В 24V 1 2 PK1 1 2 1 2 P1 1 2 1 2 1 2 CCU Boost 1 2 SM1 1 2 SM2 U U CO2 GND 0 10V 24V Brown Yellow Green White Power input 230 VAC Designation Name Contact type Wire Note SМ1 Supply air damper actuator NO 2 x 0 75 mm2 ...

Page 17: ...l the filters and the detachable plates in the reverse order 2 Heat exchanger maintenance once per year Some dust may accumulate on the heat exchanger 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 exchange...

Page 18: ...ol unit maintenance if necessary The control unit is positioned inside the unit casing For accessing the control unit remove the fixing screws on the service panel and remove it CAUTION The control unit maintenance must be performed by an expert qualified for unassisted operations with electrical installations with the voltage up to 1000V after careful reading of the user s manual TROUBLESHOOTING ...

Page 19: ... 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 packaging by any mode of transport provided proper protection against precipitation and mechanical damage The unit must be transported only in the working position Avoid sharp blows scratches or ro...

Page 20: ...tion 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 paperwork 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...

Page 21: ...21 www ventilation system com ...

Page 22: ...22 VUT 160 250 350 PB EC www ventilation system com ...

Page 23: ... This is to certify acceptance of the complete unit delivery with the user s manual The warranty terms are acknowledged and accepted Customer s Signature INSTALLATION CERTIFICATE The VUT ______ PB EC __ A___ unit is installed pursuant to the requirements stated in the present user s manual Installation Stamp Company name Address Phone Number Installation Technician s Full Name Installation Date Si...

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