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Summary of Contents for Vents VUT V EC A11 Series
- Page 1 USER’S MANUAL VUT V EC A11 Series VUT VB EC A11 Series VUE V EC A11 Series VUE VB EC A11 Series Heat recovery and heat and humidity recovery air handling unit...
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Page 2: Table Of Contents
CONTENTS Safety requirements ............................2 Purpose ..................................4 Delivery set ................................4 Designation key ..............................4 Technical data ................................ 5 Unit design and operating logic ........................ 6 Mounting and set-up ............................8 Condensate drainage ............................10 Connection to power mains ......................... 11 Unit control ................................ - Page 3 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.
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Page 4: Purpose
PURPOSE The unit is an energy saving unit based on heat recovery technology and is one of the energy saving components 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, cafés, meeting halls and other mechanically ventilated premises as well as utilization of extract air heat energy to warm up supply purified air. -
Page 5: Technical Data
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 %. 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 regularly improved, so some models can slightly differ from those ones described in this manual. -
Page 6: Unit Design And Operating Logic
UNIT DESIGN AND OPERATING LOGIC Control panel Outdoor temperature sensor Inspection door Electric lead-ins Control unit Service panel *Bypass damper Supply air temperature sensor Counter- ow heat exchanger Extract lter Supply lter Freeze protection temperature sensor Supply fan Extract fan Condensate drain pan Drain pipe The unit is equipped with a removable front service panel for maintenance and repair operations. - Page 7 Summer cooling mode The bypass damper is opened, the extract air that is removed from the INTAKE AIR SUPPLY AIR premises bypasses the heat exchanger. The air stream temperature remains EXTRACT AIR EXHAUST AIR constant. Backside view Defrosting mode The defrosting mode is designed for heat exchanger freezing protection and is activated on feedback from the freeze protection temperature sensor.
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Page 8: Mounting And Set-Up
MOUNTING AND SET-UP THE UNIT MUST BE MOUNTED BY A QUALIFIED EXPERT ONLY, PROPERLY TRAINED AND HAVING THE REQUIRED TOOLS AND MATERIALS. HV1 HUMIDITY SENSOR MOUNTING AND CONNECTION The HV1 humidity sensor is not included in the scope of delivery and should be ordered separately. The humidity sensor must be installed prior to unit mounting. - Page 9 Service side change for unit mounting: www.ventilation-system.com...
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Page 10: Condensate Drainage
UNIT MOUNTING To attain the best performance of the unit and to minimise turbulence-induced air pressure losses while mounting connect the straight air duct section to the spigots on both sides of the unit. Minimum straight air duct length: • equal to 1 air duct diameter on intake air spigot. •... -
Page 11: Connection To Power Mains
CONNECTION TO POWER MAINS DISCONNECT THE UNIT FROM POWER SUPPLY PRIOR TO ANY ELECTRIC INSTALLATION OPERATIONS. INSTALLATION SHALL ONLY BE PERFORMED BY A PROFESSIONAL ELECTRICIAN QUALIFIED FOR UNASSISTED OPERATIONS WITH ELECTRICAL INSTALLATIONS UP TO 1000 V AFTER CAREFUL STUDY OF THE PRESENT USER’S MANUAL. THE RATED ELECTRICAL PARAMETERS ARE STATED ON THE RATING PLATE. -
Page 12: Unit Control
UNIT CONTROL The unit is operated with the control panel. For detailed information, read the control panel user’s manual. MAINTENANCE DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY MAINTENANCE OPERATIONS. Maintenance operations of the unit are required 3-4 times per year. Maintenance includes regular cleaning and the following operations: Filter maintenance (3-4 times per year). -
Page 13: Troubleshooting
TROUBLESHOOTING Problem Possible reasons Troubleshooting No power supply to the air handling Make sure the power supply line is connected correctly, The fan(s) do(es) not get started. unit. otherwise troubleshoot a connection error. Contaminated filters, fans or the heat Clean or replace the filters; clean the fan(s) and the heat exchanger. -
Page 14: Manufacturer's Warranty
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. -
Page 15: Acceptance Certificate
ACCEPTANCE CERTIFICATE Product Type Heat recovery/heat and humidity recovery air handling unit Model VUT / VUE ______ V___ EC A11 Serial Number Manufacturing Date is compliant with the technical specifications and is hereby declared ready for service. 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. - Page 16 V106-2EN-06...
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