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Related Manuals for Vents DVUT 300 PB EC
Summary of Contents for Vents DVUT 300 PB EC
- Page 1 USER’S MANUAL DVUT 300 PB EC A17(18) DVUT 500 PB EC A17(18) DVUT 300 PBE EC A17(18) DVUT 500 PBE EC A17(18) DVUT 300 PBE2 EC A17(18) DVUT 500 PBE2 EC A17(18) Single-room heat recovery air handling unit...
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Page 2: Table Of Contents
DVUT PB 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................................9 Connection to power mains ..............................15 Control ........................................ 15 Technical maintenance ................................ - Page 3 • Do not operate the unit outside the • Do not use damaged equipment or cables temperature range stated in the user’s when connecting the unit to power mains. manual. Do not operate the unit in aggressive or explosive environments. •...
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Page 4: Purpose
DVUT PB EC 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, cafés, 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. -
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 %. The unit is rated as a Class I electrical appliance. Hazardous parts access and water ingress protection rating: •... - Page 6 DVUT PB 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 DVUT 300 PB (E, E2) EC G4 supply air filters F8 supply air filters Supply air damper actuator Electric pre-heater (DVUT PBE EC, DVUT ... PBE2 EC) Exhaust air damper actuator Bypass air damper actuator Extract fan Heat exchanger Supply fan Electric re-heater... - Page 8 DVUT PB EC • Depending on the model the unit includes a pre-heater (DVUT PBE/PBE2) and a re-heater (DVUT PBE2) for warming up of the supply air flow. The pre-heater prevents freezing of the heat exchanger and is located in the intake air duct upstream of the heat exchanger. The re-heater is located in the supply air duct downstream of the heat exchanger.The air handling units with the A17 and A18 control panels have a possibility to connect one of the sensors: •...
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Page 9: Installation And Set-Up
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 10 DVUT PB EC UNIT INSTALLATION 1. Disconnect the mounting and decorative elements. Remove the decorative plugs and the screws on the side panels of the unit. Then pull the side panels to remove. Remove the screws on the mounting bracket and the four L-brackets. Take off the mounting bracket and the L-brackets. 2.
- Page 11 3. Mounting of the unit with horizontal air ducts. Install the air ducts in the wall. The air duct walls must be heat-insulated for freezing prevention. Insert the air ducts in the holes with the minimum slope of 3 mm downwards to the outside. For installation use the supplied polystyrene wedges.
- Page 12 DVUT PB EC 5. Levelling of the unit with horizontal spigots. Install the unit in a horizontal position using the hand levelling screws.. 6. 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 13 HV2 HUMIDITY SENSOR MOUNTING Install the HV2 humidity sensor in the extract air duct. Humidity sensor is not included in the delivery set and is available as a specially ordered accessory. To install the humidity sensor first open the air handling unit and fix the sensor on the holder located on the wall of the extract air duct. Insert the plug connector with the cable from the control unit (pre-wired at works) in the socket connector of the humidity sensor.
- Page 14 DVUT PB EC CONDENSATE DRAINAGE For the units with a drain pump the flexible hose from the pump must be connected to the sewage system. The drain pump provides timely removal of condensed water from the unit. max 3 m min 3°...
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Page 15: Connection To Power Mains
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 SHOWN ON THE RATING PLATE. • The unit is rated for connection to 220-240 V / 50 (60) Hz power mains. - Page 16 DVUT PB EC TH-TUNE (A17) CONTROL PANEL MOUNTING Use a junction box with a minimum diameter of 65 mm and a minimum depth of 31 mm for installation of the back side of the control panel. 1. Detach the front side of the control from the back part using a 2.
- Page 17 The ventilation unit has a built-in automatic control system. The controller integrated in the control unit is the basic component of the control and setup system. The unit is also operated using the th-Tune (A17) or pGD1 (A18) control panel. ACCESS TO THE CONTROL UNIT CONTROL SYSTEM STRUCTURE AND OPERATION Automatic control system provides automatic and safe operation of the unit.
- Page 18 DVUT PB EC • Automatic heating or cooling of the indoor air temperature with the bypass air duct, which directs the intake air without contacting the heat exchanger. • Heat exchanger freeze protection options: - Supply fan shutoff: The fan shuts off, if the exhaust air temperature falls down below 1,5 ˚C. The supply fan turns on 50 seconds (factory setting) after the exhaust air temperature goes up to 4 ˚C.
- Page 19 OPERATION OF THE UNIT WITH THE th-TUNE CONTROL PANEL Button Functions Auto or manual speed control selection. Fan speed selection: setting required speed stage (off, low, medium, high). Scheduler on/off: short pressing. Activation is confirmed with the pictogram. Access to the time setting menu/ time band menu: press and hold for 3 seconds.
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Page 20: Technical Maintenance
DVUT PB EC TECHNICAL MAINTENANCE DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE ANY MAINTENANCE OPERATIONS! Maintenance operations of the unit are required 3-4 times per year. Maintenance includes general cleaning of the unit and the following operations: 1. Filter maintenance. Clogged filters increase air resistance in the system and reduce supply air volume. - Page 21 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 22: Troubleshooting
DVUT PB EC TROUBLESHOOTING TROUBLE POSSIBLE REASONS TROUBLESHOOTING Make sure the power supply line is connected correct. No power supply. Otherwise troubleshoot a connection error. Turn unit off. Troubleshoot The fan(s) do(es) not get Motor or impeller clogging. clogging. Clean blades. -
Page 23: Manufacturer's Warranty
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 Council Directive 2014/30/EU, Low Voltage Directive 2014/35/ EU and CE-marking Directive 93/68/EEC. This certificate is issued following test carried out on samples of the product referred to above. 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, installation, and operation regulations. -
Page 24: Certificate Of Acceptance
DVUT PB EC CERTIFICATE OF ACCEPTANCE Unit Type Single-room heat recovery 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 25 www.ventilation-system.com...
- Page 26 DVUT PB EC www.ventilation-system.com...
- Page 27 www.ventilation-system.com...
- Page 28 V177EN-01...
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