CONTENTS Safety requirements ..........................Purpose ..............................Delivery set ............................. Designation key ............................Technical data ............................Unit design and operating principle ....................Mounting and set-up ..........................Condensate drainage ........................... Connection to power mains ......................Unit control ............................. Technical maintenance ........................Troubleshooting ............................ Storage and transportation regulations ..................
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UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS • Disconnect the unit from power mains prior to • Unpack the unit with care. any installation operations. • Do not lay the power cable of the unit in close • While installing the unit follow the safety proximity to heating equipment.
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 stand-alone 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.
Installation and connection of the humidity sensor as well as setting of the humidity level using the software is carried out on site by a service technician. Speed and filter replacement period can be set using the software. The software is available for downloading on our website: http://vents.ua/images/cat/812_2902_cat_file.rar. www.ventilation-system.com...
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UNIT OPERATION MODES Heat recovery 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.
MOUNTING AND SET-UP THE UNIT MUST BE MOUNTED BY A QUALIFIED EXPERT ONLY, PROPERLY TRAINED AND HAVING THE REQUIRED TOOLS AND MATERIALS. HV2 HUMIDITY SENSOR MOUNTING The HV2 humidity sensor is not included in the scope of delivery and can be ordered separately. Mounting of the HV2 sensor in the exhaust air duct The HV2 humidity sensor must be installed prior to unit mounting.
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Service side change before unit mounting: www.ventilation-system.com...
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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: • equal to 1 air duct diameter on intake side; •...
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WALL-MOUNTED CONTROL PANEL INSTALLATION MAKE SURE THAT THE CONTROL PANEL IS NOT DAMAGED. DO NOT USE A DAMAGED CONTROL PANEL! DO NOT INSTALL THE CONTROL PANEL ON AN UNEVEN SURFACE! WHILE TIGHTENING THE SCREWS, DO NOT APPLY EXCESSIVE FORCE TO PREVENT THE CONTROL PANEL CASING DEFORMATION.
CONDENSATE DRAINAGE The VUT VB EC A14 and VUT V EC A14 heat recovery units require 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).
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 GIVEN ON THE MANUFACTURER’S LABEL. ANY INTERNAL CONNECTION MODIFICATIONS ARE NOT ALLOWED AND RESULT IN WARRANTY LOSS. DO NOT LAY THE CABLE IN CLOSE PROXIMITY TO THE CONTROL PANEL CABLE! DO NOT COIL THE CABLE FROM THE CONTROL PANEL IN LOOPS WHILE LAYING IT.
UNIT CONTROL CONTROL PANEL The unit is operated from the wall-mounted control panel by using the touch buttons. The activated button is highlighted. The signal from the control panel is sent to the control unit and the unit starts operation with a set operation mode. The control panel is not designed for standalone operation.
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OPERATION USING SOFTWARE To work with the pre-installed software connect the unit to a laptop or to a PC via a USB cable with a Type A and Type B connectors. The USB cable is not included in the scope of delivery. USB Type A USB Type B The software enables editing the unit parameters:...
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: Filter maintenance (3–4 times per year). Clogged filters increase air resistance in the system and reduce supply air volume.
TROUBLESHOOTING Problem Possible reasons Troubleshooting The unit is not connected to the Make sure the power supply line is connected correctly, The fan(s) do(es) not start mains. otherwise troubleshoot a connection error. The filters, fans or the heat exchanger Clean or replace the filters, clean the fans and the heat are clogged.
MANUFACTURER’S WARRANTY The manufacturer hereby warrants normal operation of the unit for 24 months after the retail sale 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.
ACCEPTANCE CERTIFICATE Unit Type Heat/heat and humidity recovery air handling unit Model VUT / VUE ______ V __ EC A14 Serial Number Manufacture 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 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.
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