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Air heat exchangers
Alfa Laval’s range of air coolers includes
* air condensers
* dry coolers
* unit coolers
for commercial as well as industrial cooling, air-conditioning and refrigeration. They feature excellent heat transfer with minimized fluid volume and low power consumption.
The range of air-cooled condensers is designed for air-conditioning and refrigeration duties. Dry coolers are used for heavy-duty applications and the range of unit coolers is suitable for direct cooling of rooms.
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This type of device condenses a refrigerant with the outside air. The fluid comes from the compressor of a refrigeration circuit, circulates inside the bank of tubes, initially cools, then condenses before it leaves in the liquid state. In certain circumstances, the condenser can be designed to ensure supercooling of this fluid.
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Air cooled condensers :
• MA 3 > 14 kW
• WA 7 > 198 kW
• ECA 21 > 876 kW
• CHV 32 > 745 kW
Centrifugal fan condensers :
• CCT 4 > 138 kW
• CCM 41 > 532 kW
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To meet changing market expectations, Heatcraft Europe (trade name FRIGA BOHN and HK Refrigeration) has introduced:
NEOSTAR, a new range of high-performance, air condenser units sub-divided into two distinct lines Silence and Power
Using state-of-the-art production methods, efficient and reliable components and a simple and practical selection tool*, the NEOSTAR range offers all the advantages you are looking for. Of course, as is the case for all heat-exchanger products proposed by Heatcraft, the performance ratings of the NEOSTAR range are certified by Eurovent in terms of noise level, power and energy consumption. For this reason, the NEOSTAR range has been accorded the "E-Solution" label.
• Energy efficiency
• Reduced size
• Ultra-silent version
• Fin efficiency
NEOSTAR Silence, a combination of efficiency and silence offering perfect integration in an urban environment (reduced noise level) as well as energy saving (low rotation speeds)
NEOSTAR Power, power at the service of performance
Equipped with a new fin type, NEOSTAR Power is both extremely compact and highly efficient.
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THERMOKEY presents “Turbo-J”, an innovative series of “V” type (double coil) condensers. Designed to be used with all environment friendly refrigerants with capacities ranging from 95 to 1897 kW (ENV 327 Norm), this series is based on a modular design with a RAL 7035 oven painted galvanized steel housing. The units can use up to sixteen 900 mm fans with 8 different sound power levels in single or double fan row.
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The THERMOKEY shell and tube condensers are designed using the best technical solutions, for applications in the fields of air conditioning and refrigeration. The capacity range, in nominal conditions, is between 10 kW and 1700 kW with just three shell lengths. To allow a rapid and clear choice of the product, a table with the identification codes has been prepared, in which a series of variable standards and any particular requests are drawn up. The shell and tube is made of high performance tubes of special copper, finned externally and grooved internally for a low fauling factor. Thanks to the combination of the two effects, refrigerant side and water-flow side, the condensers are reduced in size and weight compared to those that use traditional tubes, for the same capacity. All the products are made to function with tap water, well water or, on request, sea water.
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The THERMOKEY shell and tube condensers are designed using the best technical solutions, for applications in the fields of air conditioning and refrigeration. The capacity range, in nominal conditions, is between 10 kW and 1700 kW with just three shell lengths. To allow a rapid and clear choice of the product, a table with the identification codes has been prepared, in which a series of variable standards and any particular requests are drawn up. The shell and tube is made of high performance tubes of special copper, finned externally and grooved internally for a low fauling factor. Thanks to the combination of the two effects, refrigerant side and water-flow side, the condensers are reduced in size and weight compared to those that use traditional tubes, for the same capacity. All the products are made to function with tap water, well water or, on request, sea water.
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THERMOKEY shell and tube evaporators are designed to provide its clients with the best solutions available in air-conditioning and in refrigeration.
Different models with range capacities from 20 kW to 1700 kW at nominal working conditions, with a number of independent circuits which can vary from 1 to 4. In order to provide a fast and clear description of the product, a specific order code table has been prepared. This table provides a whole series of standard variables and special requirements
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The XLP2 is a traditional axial fan forced draft evaporative condenser that by design minimizes the energy consumption of the entire system by providing lower condensing temperatures. Owners save money while conserving natural resources and reducing environmental impact. The XLP2 product line provides heat rejection at the lowest possible energy input, low maintenance requirements, low installed cost, easy installation and reliable year-round operation. Specifically the XLP2 product line has standard high efficiency, low horsepower axial fans driven by premium efficient, inverter- duty fan motors. The top section self-aligns with the bottom section on all four sides to significantly reduce the time required to rig the XLP2 unit Large 30” x 42” access doors are standard that allow the interior of the unit to be easily accessed for adjusting the float valve, cleaning of the strainer, or flushing of the basin. A large hinged internal partition door and an external door step are standard on all side air inlet units. Water distribution branch removal system requires no tools. The cold water basin is sloped to eliminate stagnant water and reduce biological growth. Fan motors are mounted in the horizontal position on an adjustable base; to aid belt tensioning and changing the base is easily adjusted by turning one large nut. Various materials are available to meet the corrosion resistance and budgetary requirements of any budget: G-235 hot-dip galvanized steel is standard with options of Thermosetting Hybrid Polymer, TripleGuardTM, and Type 304 SS corrosion protection. XLP2 evaporators are designed to meet the requirements of the 2006 International Building Code.
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| ... products without technical information |
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LONWORKS® Compressor / Condenser Controller
The Excel-Pack is a LonWorks® compliant refrigeration pack controller for compressors and condenser fans.
The Excel-Pack series consists of 4 controller versions:
Excel-Pack
Excel-Pack HMI (Human / Machine Interface)
Excel-Pack Lite
Excel-Pack HMI Lite
Excel-Pack HMI and Excel-Pack HMI Lite provide an on-board text-based backlit LCD HMI, whereas Excel-Pack and Excel-Pack Lite can use an external panel mounted HMI. The Honeywell MCE3 External Output Relay Module can be used with Excel-Pack for additional relay outputs. Excel Pack can operate with a 3 phase energy meter and refrigerant gas leak detection system.
Features
- Sequenced runtime rotation.
- Compressor and condenser fan stage failure take over.
- Floating head pressure control.
- Pack optimisation.
- Power demand limit control.
- Variable speed condenser control.
- Data logging
- Historical alarms monitoring.
- Night setback function for condenser fans.
- Alarm management.
- Interface with LonWorks® communication.
- Can be used with the Honeywell Aura single zone gas leak detector
Applications
- Compressor packs
- Condenser fans
- Water Chillers
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ADAP-KOOL® refrigeration controls is a complete electronic system for monitoring, alarm handling and control of commercial and industrial refrigerating plants.
ADAP-KOOL® refrigeration controls consists of the following components:
• Controllers - EK series / AK series
• Monitoring units
• Electronically operated expansion valves
• Temperature sensors
• Pressure sensors
• Data communication
• PC software
The AKC controllers can be used with all refrigerants, and with a simple setting of the software they can be adapted to new refrigerants.
Remote monitoring makes it possible to assess whether alarms received, e.g. alarms during the night, require a prompt service call or may be postponed.
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| ... products without technical information |
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