Welkin chiller with air-cooled condenser, scroll compressors and control automation kit. Segment defrost function, low noise version R410A - 86707

Welkin LLC, which is a representative of the world-famous Chinese brand MIDEA, and all products comply with the international quality standard: ISO 9001 For 10 years, we have been playing a key role in the air conditioning systems market in the Republic of Uzbekistan. The company has more than 20 engineers with many years of experience in the construction and operation of climate control equipment, as well as over 7,000 m2 of warehouse space, offices and repair shops throughout the country. Our employees have completed detailed designs, equipment supply, installation and commissioning of more than 150 civil and industrial facilities! Welkin LLC will be able to take on all the problems and difficulties in matters of equipping with climate control equipment - industrial household, air conditioners, humidifiers, purifiers, dehumidifiers for your Administrative buildings and production!

High Efficiency Chillers High efficiency air cooled scroll chillers are modular in design. The main modules are 330 and 440 kW. Up to 8 modules can be combined, the total cooling capacity can reach 3520 kW. The device can be widely used in a wide variety of buildings: hotels, hospitals and office buildings, etc.

Rethinking high performance Wide capacity range and operating range EMS maximizes comfort and energy efficiency EVI increases heating and cooling capacity under extreme conditions Configurable up to 3 units into a single system simplifies equipment installation and operation As VRF's flagship product, the V6 boasts significant advantages, such as the combined power can reach 96 HP, which is the HVAC industry leader; The EVI compressor greatly increases the heating and cooling capacity in extreme conditions, EMS understands that the evaporating temperature (when cooling) and the condensing temperature (when heating) are automatically adjusted according to the temperature both inside and outside to maximize comfort and energy efficiency. In addition, the intelligent control system enhances the value of the V6 product. Design features Wide performance range: · 13 basic modules with a capacity of 8-32 HP, outdoor units of 1-4 basic modules. System performance 8-128 HP in steps of 2 HP. The maximum number of indoor units in the system is 64. *A system of 4 base modules is available on request. New efficient compressor with EVI technology: · Thanks to EVI technology (additional refrigerant injection into the compressor), Midea V6 systems can work stably at temperatures down to -15 °C in cooling mode, up to -23 °C in heating mode. Highly efficient post-cooling heat exchanger: · In the plate heat exchanger (economizer), the refrigerant is additionally cooled. This has two positive effects. First: due to additional subcooling of the refrigerant, the energy efficiency of cooling increased by 10% in the temperature range from -15 to +43 °С. The second effect: productivity increased by 26% in heating mode at temperatures down to -15 °C. Extended piping length: In the Midea V6 system, the maximum piping length from the outdoor unit to the indoor unit reaches 200 m with a total length of all pipes of 1000 m. above). · Height difference between indoor units 30 m. · Equivalent piping length from the first branch to the outermost indoor unit 40 m (standard value). The length can be increased under certain conditions (see technical documentation). High static pressure outdoor fans: · 60 Pa pressure provides more ways to install the system. · This circumstance provides additional convenience for floor-by-floor installation of equipment on the verandas of high-rise buildings. High Energy Efficiency: · EER increased to 4.75 (in 8 HP system) thanks to full DC inverter technology, refrigerant boiling point control technology and efficient subcooling. Space and Investment Savings: · Due to the high performance base modules and the world's highest total system performance, fewer modules (systems) can be used in a number of sites. For this reason, competitors have higher capital costs and additional piping costs and, consequently, installation work. In addition, Midea V6 equipment will take up less space. EMS Variable Refrigerant Temperature Technology: · VRF Midea V6 systems manage the flow and temperature of the refrigerant at the same time, unlike systems from many other manufacturers. EMS variable refrigerant temperature technology is applied in cooling and heating mode. In the first case, the boiling temperature in the evaporator of the indoor unit is changed; in the second case, the condensation temperature is changed. If the actual heat load is lower than the rated one, the temperature may be raised in cooling (or lowered in heating). As a result, the system works more economically. In addition, in the cooling mode, the air flow from the indoor unit is warmer and does not create discomfort in the way of its distribution. The temperature change occurs automatically according to a special algorithm. The control board ensures that the compressor runs at optimum speed with the highest efficiency. Efficient outdoor unit heat exchanger: · The area of ​​the new heat exchangers is increased by 21%. The heat exchangers have a three-row G-shaped design, a new shape of the lamellas, due to which the condensation rate has increased. The heat transfer efficiency has increased by 20%. Fully DC Inverter Fan Motors: · The DC inverter motor precisely adjusts the fan speed based on the actual load and refrigerant pressure to achieve the lowest power consumption. Dual redundancy mode for outdoor units and compressors and Explicit duty cycle of outdoor units: · In multi-module combination, when one of the units stops (due to an error or malfunction), the service technician can turn on the unit in standby mode. In a system with one outdoor unit with 2 compressors, if one compressor fails, the other compressor can continue to operate for 4 days, allowing enough time to repair or replace the equipment. · The control system cyclically changes the switching sequence of the outdoor units, balancing the load on each unit and extending the service life. High performance balancing and oil return technology. Anti-corrosion protection: · The outdoor units have undergone anti-corrosion treatment that meets normal conditions. For use in special conditions, special treatment can be carried out on the steel body, grilles, heat exchanger fins, electronic control box, bolts and screws to protect against corrosive air, acid rain, sea air to increase the service life. Features and Benefits Auto addressing function: · The maximum number of indoor units in the system is 64. The control system will automatically assign an address to each unit. The wireless controller can identify and change the address of any indoor unit. Dust cleaning function: Innovative dust cleaning technology keeps performance stable. Non-polar wire connections: · Connections between outdoor and indoor units are made with a two-wire non-polar shielded PQ cable. · The system is operational regardless of the order in which the PQ-cable wires are connected to a pair of device terminals (non-critical to polarity). Silent night mode: · In this mode, the noise level can be significantly reduced. Silent night mode will be activated 6 hours after the temperature has passed the peak value during the day, and then after 10 hours it will return to normal mode. 7-Speed ​​Indoor Fan: · Choose from 7 fan speeds to fine-tune the exhaust air volume and noise level to suit people's current needs. Growth of productivity in the heating mode: · Heating productivity does not decrease to a temperature of -5 °C and makes 90% from nominal to -15 °C. Outside air operating temperature range: · The V6 system provides stable operation both in winter at -23 °C and in hot summer at 48 °C. Intelligent defrosting technology: · The time required for defrosting is calculated by software according to the current situation, which eliminates energy waste. AHUKZ-01/02/03B modules for connecting the outdoor unit to the evaporator of the central air conditioner or indoor units without EEV: Using the AHUKZ-01/02/03B modules, the outdoor unit of the Midea VRF system can be connected to the evaporator of the supply unit (central air conditioner), or to an air conditioner indoor unit without an electronic expansion valve. The connection module includes a block that combines the control and electronic expansion valve sections, a set of temperature sensors, a wired control panel and a remote display. The main purpose of the module is smooth control of the air conditioning performance and indication of operation errors on the remote display.

Climate and engineering systems

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EXW from 26,22 Euros Please, send you requirement to  

These are split and window model air conditioning units for home use. For split type air conditioners, we only carry models that were made in Japan.  Our main brands are: Daikin, Fujitsu, National, Panasonic, Mitsubishi, Hitachi and Sanyo. Because we principally deal in second-hand goods, sales are made in the product's current condition. This includes goods that do not turn on and goods that do not run, so it is best to assume that products will require cleaning and repairs when you make a purchase. Depending on the product, items will receive some simple wrapping, but generally products will be packed into a container in their current condition.  Concerning the delivery method, it is standard to pay for a 20ft or a HQ 40ft container, but it is also possible to ship by LCL depending on the circumstances.

thermostat Output: 10A dry contact power; input: 220V AC temperature range: -50.0 ° C & nbsp; 110.9 & deg; C control range: -50.0 & deg; ~ 110.9 & deg; accuracy: & plusmn; 0.1 & deg; C sense: & nbsp; NTC10K watertight sensor cable length: 1m lengths: 85x60x30mm