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USER'S MANUAL
VUTR 281 V EC L A21
VUTR 281 V EC R A21
VUTR 401 V EC L A21
VUTR 401 V EC R A21
VUTR 601 V EC L A21
VUTR 601 V EC R A21
VUTR 281 VE EC L A21
VUTR 281 VE EC R A21
Single-room air handling unit with heat recovery
VUTR 401 VE EC L A21
VUTR 401 VE EC R A21
VUTR 601 VE EC L A21
VUTR 601 VE EC R A21
VUER 281 V EC L A21
VUER 281 V EC R A21
VUER 401 V EC L A21
VUER 401 V EC R A21
VUER 601 V EC L A21
VUER 601 V EC R A21
VUER 281 VE EC L A21
VUER 281 VE EC R A21
VUER 401 VE EC L A21
VUER 401 VE EC R A21
VUER 601 VE EC L A21
VUER 601 VE EC R A21
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Summary of Contents for Vents VUER 601 VE EC L A21
- Page 1 VUER 401 VE EC R A21 VUTR 281 VE EC L A21 VUER 401 V EC L A21 VUER 601 VE EC L A21 VUTR 281 VE EC R A21 VUER 401 V EC R A21 VUER 601 VE EC R A21...
- Page 2 VUTR (VUER) 281/401/601 V(E) EC CONTENTS Safety requirements ..................................3 Purpose ........................................ 5 Delivery set ......................................5 Designation key ....................................5 Technical data ....................................6 Design and operating principle ............................8 Mounting and set-up .................................. 10 Connection to power mains ..............................15 Technical maintenance ................................
- Page 3 SAFETY REQUIREMENTS This unit is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the unit by a person responsible for their safety. Children should be supervised to ensure that they do not play with the unit.
- Page 4 Do not use the unit in a hazardous or explosive environment containing spirits, gasoline, insecticides, etc. Do not close or block the intake or extract vents in order to ensure the efficient air flow. Do not sit on the unit and do not put objects on it.
- Page 5 PURPOSE The unit is designed to ensure continuous mechanical air exchange in houses, offices, hotels, cafés, conference halls, and other utility and public spaces to recover the heat energy contained in the air extracted from the premises and warm up the filtered stream of supply air, as well as for exhaust ventilation in kitchens, commercial bakeries etc.
- Page 6 VUTR (VUER) 281/401/601 V(E) EC 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 60 % without condensation. In cold, damp rooms, there is a possibility of freezing or condensation inside and outside the casing. 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 7 VUTR (VUER) 281/401 V(E) EC 16x4 160x4 VUTR (VUER) 601 V(E) EC Ø7x6 Ø17x6 Ø200x4 Ø124 www.ventilation-system.com...
- Page 8 VUTR (VUER) 281/401/601 V(E) EC DESIGN AND OPERATING PRINCIPLE The unit operation is as follows: warm, stale extract air flows through the air ducts into the unit and is filtered. Then the air is moved through the rotary heat exchanger and is exhausted outside through the air ducts with the extract fan. Cold fresh intake air flows through the air ducts into the unit’s supply filter, where it is filtered.
- Page 9 VUTR (VUER) 601 V(E) EC L VUTR (VUER) 601 V(E) EC R 1 — supply fan; 2 — supply filter; 3 — extract fan; 4 — extract filter; 5 — humidity sensor (option); 6 — rotary heat exchanger; 7 — control unit; 8 — rotary heat exchanger actuator; 9 — electric heater (the VUTR (VUER) 281/401/601 VE EC model); 10 —...
- Page 10 VUTR (VUER) 281/401/601 V(E) EC MOUNTING AND SET-UP READ THE USER’S MANUAL BEFORE INSTALLING THE UNIT THE UNIT MUST BE MOUNTED BY A QUALIFIED EXPERT ONLY, PROPERLY TRAINED AND HAVING THE REQUIRED TOOLS AND MATERIALS. The units are available in left-hand and right-hand design. Choosing the right design can improve the ease of installation, shorten the length of the ducts and reduce the number of air duct bends.
- Page 11 While mounting the unit provide the minimum required access to the unit for maintenance and repair. The recommended minimum distances from the unit to the walls are shown below. min 300 мм min 1 м min 1 м To attain the best performance of the unit and to minimise turbulence-induced air pressure losses connect straight air duct sections to the unit spigots on both sides of the unit.
- Page 12 VUTR (VUER) 281/401/601 V(E) EC If the air ducts are too short or not connected, protect the unit parts from ingress of foreign objects. To prevent uncontrollable access to the fan the spigots may be covered with a protecting grille or other protecting device mesh width not more than 12.5 mm. The horizontal outdoor air duct sections are recommended to be designed in a way that ensures a minimum slope to the outside to prevent ingress of melting snow and rain water into the system.
- Page 13 INSTALLATION AND CONNECTION OF THE HV2 HUMIDITY SENSOR AND CO2 SENSOR If the humidity and CO2 sensors are not included in the delivery set, they can be ordered separately. The sensors must be installed before installing the unit. The sensors installation sequence: •...
- Page 14 VUTR (VUER) 281/401/601 V(E) EC WALL MOUNTING Mark and drill the mounting holes. Tighten the screws. Hang the unit. Be careful while hanging the unit. Ensure reliability of mounting before starting operation. VUTR (VUER) 281/401 V(E) EC VUTR (VUER) 601 V(E) EC 1 5 0 1 5 0 1 5 0...
- Page 15 CONNECTION TO POWER MAINS ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED AND WILL VOID THE WARRANTY. The unit is designed for connection to power mains with the parameters specified in the technical data table. The connection must be made using durable, insulated and heat-resistant conductors (cables, wires). The external power input must be equipped with an automatic circuit breaker built into the stationary wiring to open the circuit in the event of overload or short-circuit.
- Page 16 VUTR (VUER) 281/401/601 V(E) EC EXTERNAL WIRING DIAGRAM RS-485 C NC C NO C NO B +24V 50 Hz SM1* SM2* 230 V PK1* Boost* Designation Name Type Wire Note SM1* Supply damper actuator 2 x 0.75 3A, 30DC/~250AC SM2* Exhaust damper actuator 2 x 0.75 3A, 30DC/~250AC...
- Page 17 TECHNICAL MAINTENANCE DISCONNECT THE UNIT FROM POWER MAINS BEFORE ANY MAINTENANCE OPERATIONS! Maintenance operations of the unit are required 3-4 times per year. They include 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. The filters require cleaning not less than 3-4 times per year.
- Page 18 VUTR (VUER) 281/401/601 V(E) 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. To maintain the high heat recovery efficiency, regular cleaning is required. To clean the heat exchanger, remove it from the unit and clean the heat exchanger by using compressed air or a vacuum cleaner.
- Page 19 3. Fan maintenance (once per year). Even in case of regular maintenance of the filters and the heat exchanger, some dust may accumulate inside the fans and reduce the fan performance and supply air flow. Clean the fans with a soft brush or cloth. Do not use water, aggressive solvents, or sharp objects as they may damage the impeller.
- Page 20 VUTR (VUER) 281/401/601 V(E) EC TROUBLESHOOTING Possible faults and troubleshooting Problem Possible reasons Handling method Make sure the power supply line is connected No power supply. correctly, otherwise troubleshoot the connection error. The fan(s) does (do) not start when the unit is on. The motor is jammed, the impeller blades are Turn the unit off.
- Page 21 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 22 VUTR (VUER) 281/401/601 V(E) EC www.ventilation-system.com...
- Page 23 CERTIFICATE OF ACCEPTANCE Unit Type Single-room air handling unit with heat recovery Model 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 V287EN-02...
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