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Summary of Contents for Vents VUT 160 PB EC A11
- Page 1 USER’S MANUAL VUT 160 PB EC A11 VUT 350 PB EC A11 Heat recovery air handling unit...
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Page 2: Table Of Contents
CONTENTS Safety requirements ..................... 3 Introduction ......................5 Purpose ........................5 Delivery set ....................... 5 Designation key ...................... 5 Technical data ......................6 Unit design and operating logic ................ 7 Mounting and set-up .................... 9 Condensate drainage .................... 10 Connection to power mains ................11 Unit control ....................... -
Page 3: Safety Requirements
SAFETY REQUIREMENTS • Read the user’s manual carefully prior to installing and operating the 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. - Page 4 • Do not allow children to operate the • Disconnect the unit from power mains unit. prior to any technical maintenance. • Do not store any explosive or highly • When the unit generates unusual sounds, flammable substances in close proximity odour or emits smoke disconnect it from to the unit.
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Page 5: Introduction
INTRODUCTION This user’s manual consisting of the technical details, operating instructions and technical specification covers the installation and mounting of the VUT ... PB EC A11 heat recovery air handling, hereinafter referred to as «the unit». PURPOSE Due to the ability to save heating energy by means of energy recovery the unit is an important element of energy-efficient premises. -
Page 6: Technical Data
• IP22 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 EC A11 VUT 350 PB EC A11 Unit voltage [V /50–60 Hz]... -
Page 7: Unit Design And Operating Logic
UNIT DESIGN AND OPERATING LOGIC Control panel Electric lead-ins NKP duct heater for supply air pre-heating * Supply air temperature sensor Supply fan Extract fan Control unit Bypass damper Freeze protection sensor Extract lter Supply lter HV1 humidity sensor * Outdoor air temperature sensor Counter- ow heat exchanger Drain pan... - Page 8 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.
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Page 9: 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 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 side of the extract air duct, then connect the humidity sensor contact socket to the respective contact socket coming from the control unit. -
Page 10: Condensate Drainage
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: •... -
Page 11: Connection To Power Mains
SEWAGE SYSTEM DRAIN PIPE DRAIN HOSE DRAIN HOSE U-TRAP 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 12: Unit Control
External controls wiring diagram: +12V ELECTRIC SHOCK HAZARD +12V Gnd Vo SM1* SM2* PK1* Designation Name Type Wire** CCU* DX cooler 2x0.75 mm SM1* Supply air damper actuator LF 230 2x0.75 mm SM2* Exhaust air damper actuator LF 230 2x0.75 mm PK1* Contact from a fire alarm panel 2x0.75 mm... -
Page 13: Troubleshooting
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. -
Page 14: Storage And Transportation Regulations
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 up to + 40 °C. Storage environment must not contain aggressive vapours and chemical mixtures provoking corrosion, insulation and sealing deformation. -
Page 15: Acceptance Certificate
ACCEPTANCE CERTIFICATE Unit Type Heat recovery air handling unit Model VUT______PB EC A11 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. - Page 16 V108-2EN-05...
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