HITACHI
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PRODUCTS
• Wide line up to 450RT.
• 0 ozone depletion potential (ODP) HFC134a refrigerant.
• R134a semi-hermetic G-type twin-screw compressor.
• High efficiency shell and tube flooded evaporator.
• High efficiency shell and tube condenser.
• Significant energy saving experience under stable and durable operation.
• Accurate chiller and multiple compressors control.
• User-friendly touch LCD panel.
PRODUCTS
• Enhanced line up ~up to 400HP ~
• High performance A-type screw compressor.
• External pump is not required with a reliable differential pressure oil feeding system.
• Built in cyclone oil separator.
• Low vibration level thus exclusive vibration control equipment is not required.
• Highly reliable shell and tube heat exchanger.
• Precise capacity control technology.
• Excellent control function with Hitachi's own Building Management System (BMS).
PRODUCTS
• High efficiency (COP = 1.41)
• Save energy and reduce air conditioning operation cost.
• Heavy load operation (8000 hours).
• Two step evaporator and absorber.
• Stainless steel high temperature generator tubes.
• Fully automatic purge pump system.
• Wide line up to 4,000 RT.
PRODUCTS
• High efficiency (COP=1.42).
• Innovative parallel flow design.
• Two-step evaporator and absorber.
• Standard heavy load operation (under 8000) hours.
• Fully automatic purge pump system.
• Fast start-up.
• Features wide type 10.4 inch full color LCD touch panel for easy operability.
PRODUCTS
• High efficiency through 2 stages compression cycle with economizer (max. COP 7.0 achieved).
• Top-class compact design and light weight design for space saving and easy replacement.
• Easy operation with touch panel type control panel.
• Chiller control panel compatible with Building Management System (BMS).
• Quick automatic restart after power failure (less than 10 seconds).
• Long term stable operation through surge protection and wider operation range.
• High reliability lubrication system.
PRODUCTS
• Gear-less direct drive two stage compressor.
• Features two-stage impeller, direct-drive single shaft and high-speed VSD motor.
• Drastic improvement of part load efficiency compared to conventional models.
• Saving of maintenance cost with less rotating parts.
• Significantly compact and light weight design for space saving and easy replacement.
PRODUCTS
• Energy-saving operation by utilizing variable motor speed control with inverter unit.
• High efficiency 2-stage compressor and heat exchangers.
• Excellent COP at partial load.
• Improved oil supply temperature control.
• Energy and power saving operation functions available.
• Recommended for customers who need cooling operation throughout the year.
PRODUCTS
• High efficiency independent refrigerant circuit.
• Environmental friendly refrigerant: R410A.
• Complied with ROHS directive.
• High quality R410A special full-sealed compressor with high-efficiency variable-speed technology.
• Multi-module free combination for more flexible applications.
• Low-frequency start-up with reduced impact on power grid for safety.
• V shape heat exchanger with high strength and high efficiency.
• More than 10 kinds of safety protection to operate stably even in harsh conditions.
• Equipped with micro-computer precise control with 485 communication transmission technologies.
PRODUCTS
• High efficiency: Steam consumption rate = 3.5kg/h.RT
• Equipped with double stage evaporation/ absorption cycle, plate heat exchanger and drain heat exchanger.
• Excellent parallel flow cycle with low pressure operation and low solution concentration for high reliability.
• Energy saving and reduced air conditioning operation cost.
• Automatic purge system through intelligent electromagnetic valve control system.
• Compact design and smaller footprint.
PRODUCTS
• Inverter-driven twin screw compressor.
• Refrigerant R-134a.
• Shell and tube condenser.
• Shell and tube flooded type evaporator.
• EER up to 5.9, IPLV 9.93.
PRODUCTS
• Enhanced line up to 570HP.
• High performance A-type screw compressor.
• External pump is not required with a reliable differential pressure oil feeding system.
• Built in cyclone oil separator.
• Low vibration level thus exclusive vibration control equipment is not required.
• Compatible with R407C and R22 refrigerants.
• Highly reliable shell and tube heat exchanger.
• Shell and tube, dry expansion valve water cooler.
• Precise capacity control technology.
• Liquid crystal screen display and BMS system through an RS485 box as optional accessories.
PRODUCTS
• O ozone depletion potential (ODP) HFC134a-refrigerant.
• R134a G-type Premium Efficiency twin-screw compressor.
• High efficiency shell and tube flooded evaporator.
• User-friendly touch LCD Panel.
• Wide line up to 530RT.
• Max. COP 6.40 achieved.
PRODUCTS
• O ozone depletion potential (ODP) HFC134a-refrigerant.
• R134a G-type High Efficiency twin-screw compressor.
• High efficiency shell and tube dry & flooded evaporator.
• User-friendly touch LCD Panel.
• Wide line up to 520RT.