VUT 300 (301) EV(K) mini EC CONTENTS Introduction Delivery set Structural designation key Technical data Safety requirements Structure and operating logic Mounting and set-up Condensate drainage Connection to power mains Unit control Maintenance Fault handling Storage and transportation rules Manufacturer’s warranty Acceptance certificate Electrical connection certificate Warranty card...
The present user manual consisting of technical details, operating instructions and technical specification covers the installation of the VUT 300 (301) EV (K) mini EC air handling unit with heat recovery, VENTS series (hereinafter the unit). 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...
VUT 300 (301) EV(K) mini EC STRUCTURAL DESIGNATION KEY VUT 300 EVK mini EC Motor type electronically commutated Modi cation K - kitchen hood Spigot orientation V - vertical Electric heater Air capacity, m³/h 300 - unit with an integrated control panel;...
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10 m cable for the units VUT 301 EVK mini EC The unit VUT 300 EVK mini EC with a built-in control panel; The unit VUT 301 EVK mini EC with a remote control panel.
VUT 300 (301) EV(K) mini EC Table. 1. Technical parameters of the unit Model VUT 300 (301) EV(K) mini EC Unit voltage [V] 230 / 50 Hz Max. fan power [W] Fan current [A] Electric heater power [kW] Electric heater current [A] Total unit power [kW] 1,69 Max.
Before connecting the unit to power mains make sure that the unit is free of any visible damages or any other foreign objects inside the casing that can damage the impeller blades. All the wireworks with the unit are allowed by a professional electrician, duly authorized for electric operations.
VUT 300 (301) EV(K) mini EC min 1 m TEMPERATURE SENSOR FOR HEAT SUPPLY AIR TEMPERATURE EXCHANGER FREEZING PROTECTION SENSOR BUILT-IN CONTROL UNIT ELECTRIC HEATER EXTRACT FILTER SUPPLY FILTER FILTRATION CLASS G4 FILTRATION CLASS G4 COUNTER-FLOW HEAT EXCHANGER SUPPLY FAN EXHAUST FAN DRAIN PAN BYPASS (AIR BYPASSING FROM...
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Anchor Fig. 4. Unit mounting Mounting sequence of the wall-mounted control panel: Use a screwdriver to lift the latches through the technological openings in the upper part of the wall-mounted control panel, fig. 5. Take off the back cover. Disconnect the cable from the terminal block.
VUT 300 (301) EV(K) mini EC Fig. 6. Mounting of the panel back cover to the wall CONDENSATE DRAINAGE The condensate drain pan located in the heat recovery section is equipped with a drain pipe to remove condensate from the unit. Connect a U-trap to the drain pipe. The U-trap and the drain pan must be thermally insulated.
CONNECTION TO POWER MAINS Disconnect the unit from the power mains prior to any work. The unit must be plugged into a properly installed power socket with an earthed terminal. The rated electrical parameters of the unit are stated on the sticker. Any tampering with the internal connections is prohibited and will void the warranty.
VUT 300 (301) EV(K) mini EC UNIT CONTROL Wall-mounted control panel Remote controller Turning unit ON/OFF Fan speed UP Heater OFF Heater ON Fan speed DOWN Medium speed ON First speed ON High speed ON Time-scheduled Timer ON/OFF operation ON Remote Controller Fan speed control buttons Unit control mode buttons (described below)
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The wall-mounted display shows the following indications as the unit is turned on, fig. 11: Indoor temperature; Weekday; Time; Fan speed indicator Timer status information; The indicator is displayed as the timer is turned on. The indicator is displayed as the timer is turned off. Heater status information.
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VUT 300 (301) EV(K) mini EC from the remote controller - press the button to turn the timer for 20 minutes on. To turn the timer off press the button Heat exchanger freezing protection. If the temperature in the intake air duct upstream of the heat exchanger is from -7 °C up to -15 °C, the unit turns into automatic temperature control mode.
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Each pressing of the button yincreases or decreases the exhaust fan speed by 1%. If the button remains pressed the display indicators show the current exhaust fan speed. To exit the fan speed setup mode and save changes press the button Fan speed adjustment is not possible with the remote controller.
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VUT 300 (301) EV(K) mini EC Filter replacement signal As the filter service life expires (3000 hours) the wall-mounted control panel displays a filter replacement indicator instead of the operating temperature, fig. 16. In case of the filter replacement signal turn the unit off with the button and disconnect it from power mains.
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Press and hold the button on the wall-mounted control panel and the press the button Weekday Entry number Heater status Time — Heater ON — Heater OFF Fan speed Fig. 17. time-scheduled operation indicators Hold the button and select a required parameter to be adjusted using the buttons Set a required parameter using the same buttons Time-scheduled operation parameters, fig.
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VUT 300 (301) EV(K) mini EC Alarms. In case of alarm the unit is turned off and the wall-mounted control panel display shows the alarm indicators, fig. 18. The possible alarms are listed in the table 4. Duct temperature sensor breakout Temperature sensor alarm Freeze protection Heater overheating...
Press the respective speed button (low, medium or high speed, fig. 19) to turn the kitchen hood on. The kitchen hood has priority over the control panel, i.e. the control panel is not active when the kitchen hood is on. Press the respective button to turn the kitchen hood off, see fig.
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VUT 300 (301) EV(K) mini EC Ductworks inspection (once in 5 years). Even if you follow all the listed maintenance guidelines, some dust can get accumulated inside the air ducts and reduce the unit performance. Duct maintenance means their regular cleaning or replacements.
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Fig. 21. Control unit servicing Fig. 22. Fat filter servicing...
VUT 300 (301) EV(K) mini EC FAULT HANDLING Possible faults and fault handling Problem Possible reasons Fault handling Make sure the power supply line The fans do not No power supply. is connected correctly, otherwise get started troubleshoot the connection error. The extract filter is soiled.
STORAGE AND TRANSPORTATION RULES Store the unit in the manufacturer’s original packing box in a closed ventilated premise with temperature range from +10°C to +40°C and relative humidity less than 80% (at +20°C). Vapours or particles which can cause corrosion or damage the insulation or connection tightness are not allowed in the storage environment.
VUT 300 (301) EV(K) mini EC ACCEPTANCE CERTIFICATE The air handling unit with heat recovery VUT 300(301) EV (K) mini EChas been duly certified as serviceable. 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.
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