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Summary of Contents for Vents DVUT 300 PB EC
- Page 1 USER'S MANUAL DVUT 300 PB EC DVUT 500 PB EC DVUT 300 PBE EC DVUT 500 PBE EC DVUT 300 PBE2 EC DVUT 500 PBE2 EC DVUT 300 P1B EC DVUT 500 P1B EC DVUT 300 P1BE EC DVUT 500 P1BE EC...
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Page 2: Table Of Contents
DVUT P(1)B EC CONTENTS Safety requirements ..................................2 Purpose ........................................ 4 Delivery set ......................................4 Designation key ....................................4 Technical data ....................................5 Design and operating principle ............................7 Installation and set-up................................10 Connection to power mains ..............................18 Control ........................................ 19 Technical maintenance ................................ - Page 3 • Do not change the power cable length at your own discretion. • Do not lay the power cable of • Do not bend the power cable. the unit in close proximity to • Avoid damaging the power heating equipment. cable.
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Page 4: Purpose
DVUT P(1)B EC PURPOSE 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 intake air. -
Page 5: Technical Data
TECHNICAL DATA The unit is designed for application with the ambient temperature ranging from +1 °C to +40 °C and relative humidity up to 80 %. In order to prevent condensation on the internal walls of the unit, it is necessary that the surface temperature of the casing is 2-3 °C above the dew point temperature of the transported air. - Page 6 DVUT P(1)B EC Dimensions [mm] Model DVUT 300 PB EC DVUT 300 PBE EC 1155 DVUT 300 PBE2 EC 1547 DVUT 300 P1B EC DVUT 300 P1BE EC 1100 1101 DVUT 300 P1BE2 EC DVUT 500 PB EC DVUT 500 PBE EC...
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Page 7: Design And Operating Principle
DESIGN AND OPERATING PRINCIPLE Extract air filter Supply air filter Supply air damper actuator Bypass damper actuator Drain pipe Extract air damper actuator ... - Page 8 DVUT P(1)B EC 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 through the air duct into the unit, where it is cleaned by the supply filter.
- Page 9 The movement of air in the DVUT 300 PBE2 EC unit when the bypass duct is closed Intake air Exhaust air Supply air The movement of air in the DVUT 500 PBE2 EC unit when the bypass duct is open Intake air Exhaust air Supply air...
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Page 10: Installation And Set-Up
DVUT P(1)B EC INSTALLATION AND SET-UP WHILE INSTALLING THE UNIT ENSURE CONVENIENT ACCESS FOR SUBSEQUENT MAINTENANCE AND REPAIR. BEFORE MOUNTING MAKE SURE THE CASING DOES NOT CONTAIN ANY FOREIGN OBJECTS (E.G. FOIL, PAPER). THE UNIT MUST BE MOUNTED ON A PLANE SURFACE. MOUNTING OF THE UNIT TO AN UNEVEN SURFACE CAN LEAD TO THE UNIT CASING DISTORTION AND OPERATION DISTURBANCE. - Page 11 To attain the best performance of the unit and to minimize turbulence-induced air pressure losses connect straight air duct sections to the unit spigots. The minimum straight air duct length is equal to 1 air duct diameter on intake side and 3 air duct diameters on outlet side. If there are no air ducts or the air ducts are short, it is necessary to protect internal unit parts from ingress of foreign objects at one or more unit spigots.
- Page 12 DVUT P(1)B EC MOUNTING OF THE UNIT WITH VERTICAL SPIGOTS Using the mounting template mark the holes on the structural floor, suspended ceiling, and wall. Drill the holes for L-brackets and the mounting bracket using the marking. Prepare the holes in the suspended ceiling for connecting the air ducts: Ø 220 mm (for DVUT 300) or Ø 270 mm (for DVUT 500). www.ventilation-system.com...
- Page 13 Install threaded rods in the structural floor and drill the corresponding through-holes in the suspended ceiling. Install the mounting bracket in the corner between the wall and the ceiling. Fix the unit to the mounting bracket and L-brackets, connecting the spigots with the air ducts. Connect decorative panels and plugs.
- Page 14 DVUT P(1)B EC MOUNTING OF THE UNIT WITH HORIZONTAL SPIGOTS Mark the holes using the mounting template. Using the marking drill the holes for mounting and make through-holes in the wall for installation of the air ducts Ø 230 mm (DVUT 300) or Ø...
- Page 15 Mounting methods for units with horizontal spigots 1. By L-brackets Opening for the unit mounting on Opening for the fixation of the unit the mounting surface by transit bolts in the packing box Install the brackets on the ceiling. Connect the spigots with the air ducts in the wall and fix the unit using the L- brackets. Connect the decorative panel and the plugs.
- Page 16 DVUT P(1)B EC Leveling of the unit with horizontal spigots Install the unit in a horizontal position using the hand leveling screw. Mounting of the outer ventilation grilles Fix the outer ventilation grilles on the outer wall. The grilles are not included in the delivery set and are available as specially ordered accessories.
- Page 17 CONDENSATE DRAINAGE For the units with a drain pump the flexible hose from the pump must be connected to the sewage system. The pump ensures timely condensate drainage from the unit. max 3 m min 3° min 50 mm Sewage system U-trap (hydraulic lock) Drain pump Flexible hose Ø...
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Page 18: Connection To Power Mains
DVUT P(1)B EC CONNECTION TO POWER MAINS POWER OFF THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT. THE UNIT MUST BE CONNECTED TO POWER SUPPLY BY A QUALIFIED ELECTRICIAN. THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE MANUFACTURER’S LABEL. -
Page 19: Control
CONTROL The unit is controlled by: • a wired wall control panel (A25); • a wireless control panel (A22); • a mobile application (A21). Control panels can be used along with the application or separately. Information about the panels functions and the application operation is given in the corresponding user's manuals. TECHNICAL MAINTENANCE DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE ANY MAINTENANCE OPERATIONS! - Page 20 DVUT P(1)B EC 2. Heat exchanger maintenance (once per year). Some dust may accumulate on the heat exchanger even in case of regular maintenance of the filters. Regular cleaning of the heat exchanger is required to maintain high heat recovery efficiency. To clean the heat exchanger pull it out of the unit and clean it with compressed air or a vacuum cleaner.
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Page 21: Troubleshooting
TROUBLESHOOTING TROUBLE POSSIBLE REASONS TROUBLESHOOTING Make sure the power supply line is connected No power supply. correct. Otherwise troubleshoot a connection error. Turn the unit off. Troubleshoot the fan clogging. The fan(s) do(es) not get Motor or impeller clogging. Clean the blades. started during activation of Restart the unit. -
Page 22: Manufacturer's Warranty
DVUT P(1)B EC MANUFACTURER’S WARRANTY The product is in compliance with EU norms and standards on low voltage guidelines and electromagnetic compatibility. We hereby declare that the product complies with the provisions of Electromagnetic Compatibility (EMC) Directive 2014/30/EU of the European Parliament and of the Council, Low Voltage Directive (LVD) 2014/35/EU of the European Parliament and of the Council and CE-marking Council Directive 93/68/EEC. -
Page 23: Certificate Of Acceptance
CERTIFICATE OF ACCEPTANCE Unit Type Single-room air handling unit Model DVUT _________ P_B ______ EC A ______ Serial Number Manufacture Date Quality Inspector’s Stamp SELLER INFORMATION Seller Address Phone Number E-mail Purchase Date This is to certify acceptance of the complete unit delivery with the user’s manual. The warranty terms are acknowledged and accepted. - Page 24 V177EN-02...
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