Air-cooled screw chiller that supplies stable outlet water temperature with stepless continuous control.
Overview Air-cooled dedicated screw chiller unit with enhanced energy-saving and control features Significantly reduces annual power consumption. For a 50 horsepower equivalent: approximately 19/22% reduction compared to conventional units (50/60Hz) Reliable and proven "continuous control type" Provides stable outlet water temperature through stepless control of operating capacity according to load without using an inverter, utilizing hydraulic slide valve control. Features of the screw compressor - Regular maintenance is essential to reduce the risk of sudden failures and ensure stable operation of the equipment. The screw compressor can be overhauled (disassembled and serviced), allowing for planned preventive maintenance. - The overhaul (disassembly and servicing) cycle for the compressor has been extended from 24,000 hours for conventional units (compact type AZ5) to 40,000 hours, reducing maintenance costs. - Overhaul cycle: Operating time 40 For further details, please contact us.
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basic information
- Annual power consumption reduced by approximately 19/22% (50/60Hz) compared to conventional machines for the equivalent of 50 horsepower. - Stepless control of compressor capacity using continuous control of hydraulic slide valves without an inverter. - Extended overhaul cycle for screw compressors from 24,000 hours for conventional machines to 40,000 hours, with a refrigerant oil change and inspection cycle of 2 years. - Capable of handling from 40 to 480 horsepower equivalent with combinations of 40, 50, and 60 horsepower machines. - Model numbers: RCF1180AZ1 to RCF1800AZP1.
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Applications/Examples of results
It is suitable for process cooling and air conditioning where precise control of outlet water temperature is required, such as in factories and buildings. It can be utilized in equipment that aims to achieve both planned preventive maintenance and energy saving while minimizing harmonic issues.
Line up（6）
| Model number | overview |
|---|---|
| RCF1180AZ1 | |
| RCF1500AZ1 | |
| RCF1800AZ1 | |
| RCF1180AZP1 | |
| RCF1500AZP1 | |
| RCF1800AZP1 |
Company information
Kyushu Kiden Co., Ltd. not only sells electrical and mechanical products such as air conditioning equipment, industrial machinery, air compressors, elevators, escalators, and lighting fixtures as a Hitachi sales agent, but also provides solutions that contribute to energy conservation and decarbonization (SDGs), including the currently popular solar power generation (PPA), biomass power generation, and waste heat recovery units. The company is also certified as a planner for ZEB (Net Zero Energy Building), which has recently gained attention in corporate energy-saving measures, and has received great acclaim for its comprehensive energy-saving proposals for entire buildings. 【Service Areas】 - Fukuoka, Saga, Kumamoto, Oita, Yamaguchi, Hiroshima, Osaka 【Major Qualifications】 - First-Class Plumbing Construction Management Engineer - First-Class Electrical Work Construction Management Engineer - Designated Construction Industry Supervisory Engineer (Plumbing) - Designated Construction Industry Supervisory Engineer (Electrical Work) - First-Class Electrician - Chief Technician for Water Supply Equipment Construction - First-Class Refrigeration and Air Conditioning Equipment Construction Skill Technician - Building Equipment Engineer - First-Class Civil Engineering Construction Management Engineer - Third-Class Refrigeration Machinery Manufacturing Safety Manager - Refrigeration and Air Conditioning Construction Safety Management Certificate - Refrigerant Handling Technician Certificate - First-Class Hitachi Refrigeration and Air Conditioning Technician (Air Conditioning and Low Temperature) - And many others.
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