Supply and exhaust ventilation and air conditioning systems for premises for various purposes that require an economical solution and a controlled ventilation system. The use of EC motors in the VKM fan made it possible to significantly reduce power consumption (about 35%) and at the same time ensure high aerodynamic characteristics and low noise level. This is especially important when fans are used in systems of public facilities (banks, supermarkets, restaurants, hotels, etc.), near residential buildings, as well as in the domestic sector (for example, ventilation of private pools). Thanks to the EC motors, the fans can be easily networked and controlled centrally. The steel case provides reliable operation at external installation. Designed for connection with round air ducts with a diameter of 160, 200, 250, 315 mm.
Design
The fan housing is made of polymer-coated steel. New technologies for the manufacture of structural elements provide absolute tightness of the case. For more convenient connection and use, the fan can be equipped with a power cord with a plug (VKM… EC R).
Engine
High efficiency EC external rotor DC motors equipped with backward curved impellers are used. Such motors are by far the most advanced solution in the field of energy saving. EC motors are characterized by high performance and optimum control over the entire speed range. The undoubted advantage of an EC motor is its high efficiency (up to 90%).
The motors are equipped with rolling bearings to ensure a longer service life (40,000 hours). To achieve precise performance, safe operation and low noise levels, each turbine is dynamically balanced during assembly. Motor protection class IP 44.
Speed control
The fan is controlled using an external control signal 0-10 V (performance is adjusted depending on the level of temperature, pressure, smoke and other parameters). When the value of the control factor EC changes, the fan changes the rotation speed and supplies exactly as much air as necessary for ventilation system. The maximum fan speed does not depend on the frequency of the electric current in the network (it is possible to work both in a network with a current frequency of 50 Hz and 60 Hz). Fans can be combined into a single computer control network. The software allows you to control the operation of networked fans with high accuracy. All system parameters are displayed on the computer display, and, if necessary, you can set an individual operating mode for each fan in the network.
Installation
Mounting at any angle relative to the fan axis is allowed. Attachment to the wall is carried out using mounting brackets, which are included in the delivery. The fan is powered through an external terminal box
A distinctive feature of the new digital format of Turgor AM vegetable and fruit storage technology from traditional foreign technologies is the use of high-pressure radial centrifugal fans with EC motors (electronically commutated).
Turgor AM specialists, guided by many years of storage experience, believe that exactly EC fans from the German concern ebm-papst based on "green" technologies GreenTech are the best solution for providing technology for the storage of vegetables and fruits in accordance with the latest scientific research in the field of specifics of agricultural technologies, energy saving and ecology.
These fans have been excellent for many years cope with harsh operating conditions that are observed in the agricultural sector: humidity, vibration, dust, dirt, temperature changes, etc. The engine has a dust and moisture tight design and is equipped with wear-resistant bearings.
At EC motors efficiency over 90% at any speed. Increased efficiency not only means better use of primary energy, but also less heat is released into the environment during operation.
Compared to standard fans with asynchronous motors, EC fans consume 50% less electricity.
On the graph: the difference between AC (induction motors) and EC (electronically commutated motors) technologies
EC technology can be used over the entire blue shaded range. In addition, in the dark blue field, EC technology has clear power reserves compared to AC technology.
In the area of smooth adjustment, the absolute and relative savings are much higher. Compared to conventional phase control, EC technology consumes half as much energy depending on the operating point.
Maximum performance guaranteed!
EC fans have precise, very delicate and smooth speed control from 0 to 100%. Thanks to this, a uniform flow rate is ensured, despite obstacles of different characteristics, which makes it possible to achieve efficient air distribution with uniform velocities in the product and throughout the entire volume of the storage area without additional equipment.
Thanks to the design of the external rotor motors, the fans have a very compact dimensions. The EC motor is integrated directly into the impeller, which significantly reduces the installation dimensions.
Electronics and engine form a single unit, no additional hardware required: EMC filters, screened cables or external motor-protective circuit breakers, etc.
Cost approvals also during commissioning practically not needed as well as grounding and shielding measures. Therefore, these fans for ventilation units, for example, as a module for active ventilation and microclimate PTK "Turgor AM", are real plug-and-play solution("plug and play"). This solution helps to get rid of a large number of individual parts, makes the installation process more convenient and efficient.
The EC fans are controlled via digital interface. This allows network a large number of fans, while allowing you to very conveniently balance the performance of each fan according to specific needs.
Thereby handling of equipment is greatly simplified from commissioning configuration to service, troubleshooting and maintenance.
The main tasks of the twenty-first century are the reduction of energy consumption and environmental safety. Since 2005, at the regular meetings of the G8 leaders, these issues have been raised to the level of key global ones. In order to study the possibilities of saving energy in products, the European countries approved the EcoDesign directives in the same year. Based on these directives, the energy consumption of European countries should be reduced by 34 terawatt-hours per year.
Fans and air conditioners are among the leading equipment group in terms of energy consumption in Europe. Electricity consumption in Europe is currently 400 terawatt-hours per year, and by 2020 it may reach 650 terawatt-hours per year. In the past 2010, the European Parliament took tough measures to mandatory reduce the consumption of electricity by fans. Accordingly, all European manufacturers of ventilation equipment are forced to take into account new energy efficiency standards when creating their products.
EC motors are one of the most promising areas in the field of fan production. Already at present, EC motors are widely used in refrigeration, ventilation technology, air conditioners, and heat pumps. According to preliminary calculations, further application of EU technologies in these industries will reduce electricity consumption in Europe by more than 30%.
EC motors, or permanent magnet EC motors, are external rotor brushless DC motors with built-in control function and can be connected directly to the AC mains. Unlike traditional motors with transformer or electronic speed control, in EC motors, optimal and efficient operation at any speed is ensured by electronic (non-contact) switching.
The built-in EC controller allows you to control the fan based on signals from external devices ( sensors temperature, pressure, humidity, timer, etc.) remotely, by means of a dispatching system.
In addition to significant energy savings, EC fans, due to low heating, do not need additional cooling, and their maintenance costs are minimal.
The presence of full automatic control of the operation of protection against overheating, phase imbalance, rotor blocking, and the like significantly extends the life of the EC equipment compared to traditional ones.
Due to the fact that EC fans have a design in which the engine is located inside the impeller, the possibility of its mechanical damage is minimized. In addition, this fan design allows you to achieve excellent system balance, maximum compact size, minimum noise level.
The absence of V-belts, pulleys, tensioners and other elements of traditional fans minimizes operating costs.
All of the above and the maximum possibility of smooth and precise adjustment depending on external conditions without any additional equipment, minimizes the total cost of the system.
EC motors are more reliable in operation with mains fluctuations. Unlike conventional asynchronous motors, which start to overheat when the voltage is slightly exceeded, EC motors work stably at voltages up to 480V, and when the voltage drops to a certain level, the motor generates an alarm and stops smoothly.
Despite the fact that EC fans have a rather high cost today, their payback period is short.
Low Power Consumption:
Achieved through the use of an energy efficient EC motor with an efficiency of over 90%, as well as an improved design of the impeller with backward curved blades. At the same time, high efficiency is ensured in the entire range of operating speeds.
Achieved through the use of an energy efficient EC motor with an efficiency of over 90%, as well as an improved design of the impeller with backward curved blades. At the same time, high efficiency is ensured in the entire range of operating speeds.
Additional costs for the purchase of a VKPN EC fan are paid off already during the first year of operation only due to energy savings.
Built-in speed control:
Allows you to smoothly and as accurately as possible reach the calculated point of operation of the ventilation network, further reducing energy consumption.
Impeller speed control:
It is carried out by means of an electronic control unit located in the blowing zone.
Extended operating range:
It is provided through the use of a high-pressure impeller of an improved design with an enlarged zone of maximum efficiency.
Low Noise VKPN EC:
Much quieter operation than a standard forward curved duct fan.
Smooth start:
The use of microprocessor control of the EC motor made it possible to include the soft start function in its design by default. In this case, the starting current does not exceed the rated current and, as a result, does not create an additional load on the electrical network.
High work resource:
Due to the increased power reserve of the EC motor, the absence of sliding electrical contacts in it, as well as the use of a light aluminum wheel in the fan that does not overload the bearings. The increase in the power reserve led to a decrease in the operating temperature of the EC motor windings to 45 °C, which, in turn, sharply reduced their wear. The design of the electronic unit provides for automatic shutdown of the fan when the current load exceeds the allowable value.
GUARANTEED SERVICE LIFE - 36 MONTHS
DesignVKPN EC fans:
The fan housing is made of galvanized steel, connection on a rail. The fan impeller is made with backward-curved blades of the right direction of rotation (clockwise, if you look at the fan from the suction side).
ApplicationVKPN EC fans:
VKPN EC fans are used in stationary ventilation, air conditioning and air heating systems. They are compact and easy to mount in any position, mostly horizontal.
DesignVKPN EC fans:
VKPN EC fans are manufactured in accordance with TU 4861-019-15185548-04.
terms of UseVKPN EC fans:
With increased requirements for the nominal values of climatic factors of the environment, it is possible to supply fans with the following operating conditions:
placement category 1 with an ambient temperature of -50 °С to +45 °С, containing solid impurities not more than 10 mg/m3, not containing sticky substances and fibrous materials, in a temperate climate of the 2nd category of placement according to GOST 15150-90 ( weatherproof).
