The High-efficiency Air-cooled Chiller "H series"

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1 R07C

NEW The High-efficiency Air-cooled Chiller "H series" The air-cooled chiller "H series" with improved efficiency and functionality by several advanced technologies.

2 NEW The High-efficiency Air-cooled Chiller "H series" The air-cooled chiller "H series" with improved efficiency and functionality by several advanced technologies. This series with the world's best standard A-type screw compressor and newly designed shell and tube heat exchanger that have powerful cooling ability, low noise, low vibration, high efficiency and high reliability is the perfect answer to all your needs!! E nhanced Line-up ~up to 00 HP~ High-performance A-type Screw Compressor P recise Capacity Control Technology E xcellent Control Function 1 Highly Reliable Shell and Tube Heat Exchanger

Improved heat-exchange performance by using inverse M type Air Side Heat Exchanger Protection Net (standard equipment) Acoustic Chamber (standard equipment) Product Series R07C RCUG-ATHYZ1 Nominal

3 Improved heat-exchange performance by using inverse M type Air Side Heat Exchanger Protection Net (standard equipment) Acoustic Chamber (standard equipment) Product Series R07C RCUG-ATHYZ1 Nominal Capacity Range (50Hz)* 110 to 1,09 31 to 310 9,00 to 93,50 RCU-ATHYZ1 Nominal Capacity Range (50Hz)* 11 to 1,1 33 to 3 99,70 to 95,50 * The nominal cooling capacities are based on the following conditions: Chilled Water Inlet/Outlet Temperature : 1 C/7 C Condenser Temperature : 35 C (DB) Wide Line-up To meet the need for air conditioning systems for large facilities and the demand for higher capacity industrial cooling systems. RCUG-ATHYZ (HP) R07C RCU-ATHYZ (HP)

Technical Features High-performance A-type Screw Compressor ~Newly Designed~ NEW Built-in Cyclone Oil Separator Low oil carrying-out is realized and reduction of heat transfer efficiency is minimized.

New Screw Compressor Operation Image No outside pump is required due to the reliable differential-pressure oil-feeding system.

4 Technical Features High-performance A-type Screw Compressor ~Newly Designed~ NEW Built-in Cyclone Oil Separator Low oil carrying-out is realized and reduction of heat transfer efficiency is minimized. High Technology by Internal Manufacture Because all manufacturing processes, from rotor manufacturing to unit assembly, are done internally, exceptional reliability is achieved. New Screw Compressor Operation Image No outside pump is required due to the reliable differential-pressure oil-feeding system. This oil-feeding system, which does not use any electrical mechanism, prevents the compressor from being damaged and maintains long-term stable operation. Suctioned Refrigerant Gas Oil Screw Rotor Discharged Gas Oil Reservoir Cyclone Oil Separator Differential Pressure Lubrication Mechanism Simple Structure with a Small Number of Parts Whereas the number of main parts for the casing, compression mechanism and capacity control mechanism of a reciprocating compressor is, that of a screw compressor is only 7, just one tenth of the number! A structure with so few parts offers high reliability and easy maintenance. Low Vibration Level No exclusive vibration control equipment is necessary by using low-vibration screw compressor. Vibration Comparison Type Reciprocating Comp. speed (rpm) 50/0Hz 1,30 / 1,70,0 / 3,70 Full amplitude Screw At leg of comp At base frame 0 Less than 10 Vib. frequecy At leg of comp. 3. /.7.5 / 57. At base frame 3. /.7 / 57. Acceleration energy Screw: 1/5 of reciprocating type 3

P recise Capacity Control Technology The temperature of the chilled water outlet can be kept at the set temperature ±1 C by continuous capacity control, so it is suitable for industrial use.

5 P recise Capacity Control Technology The temperature of the chilled water outlet can be kept at the set temperature ±1 C by continuous capacity control, so it is suitable for industrial use. Start Outlet water temperature 1sec. A given load status is maintained. Load-up signal 0sec. Inlet water temperature sec. sec. Load-up signal Load-down signal 0sec. 0sec. When there is a big difference between set temperature and actual temperature. Stop Inlet water temperature Outlet water temperature Neutral zone standard Stop temperature standard Lapsed time The inlet water temperature is detected at a stop, and it is restarted by a rise in inlet water temperature. Slide Valve Bypass Gas Suction Gas Capacity Controller Structural Outline (HITACHI Patented System) Rotor Load-up Pd SV1 High Pressure Oil Ps Low Pressure Gas SV3 SV Slide Valve Bypass Gas Suction Gas Rotor Pd: Discharge pressure, Ps: Suction pressure, SV1,,3 : Solenoid valve : Valve open : Valve close Load-down Pd SV1 Low Pressure Gas Ps SV3 SV High Pressure Oil E xcellent Control Function Building Management System (BMS) Hitachi uses Building Management System through LONWORKS R. For chiller air-conditioning, Hitachi provides its own central station system. No complicated work is necessary. * : "LONWORKS R " is a trademark of Echelon Corporation registered in the United States and other countries. BMS System (Supplied by BMS Maker) * Other Building Equipment List of Functions Remote Setting ON / OFF Operation Chilled Water Temperature (Inlet or Outlet) G/W counication adapter (option) G/W counication adapter (option) can be connected up to units. * Equipment below the dotted line is provided by HITACHI Remote Monitor ON / OFF Status Setting Chilled Water Temperature (Inlet or Outlet) Current Water Temperature of Inlet and Outlet Alarm Code In addition, up to units can be connected using the G/W counication * adapter for the Hitachi Chiller Unit signal (RS5). Highly Reliable Shell and Tube Heat Exchanger ~Newly Designed~ Dry expansion cooler system Low environmental impact: refrigerant quantity reduced by 0% from the current unit Perfect matching with the chiller unit due to our own design - Downsized by redesigned heat-transfer tube - Improved efficiency by optimized refrigerant distribution

6 R07C General Data 5 Power Source Nominal Cooling Capacity* 1 Nominal Cooling Capacity* Capacity Control Outer Net Weight Refrigerant Compressor Heat Exchanger Safety Devices Piping Connections for Water Side Heat Exchanger (Inlet/Outlet) Connection Hole Shipping Weight* Shipping Main Power (square orifice) Circuit Compressor Input* 1 Compressor Input* Power Source Capacity Control Outer Net Weight Refrigerant Compressor Heat Exchanger Safety Devices % Standard Flow Control Number of Circuits Type Quantity Condenser Condenser Fan Fan Power Input Motor Quantity Air Discharge m 3 /min. Evaporator Nominal Cooling Capacity* 1 Nominal Cooling Capacity* Piping Connections for Water Side Heat Exchanger (Inlet/Outlet) Connection Hole Shipping Weight* Shipping Main Power (square orifice) Circuit Compressor Input* 1 Compressor Input* % Standard Flow Control Number of Circuits Type Quantity Condenser Condenser Fan Fan Power Input Motor Quantity Air Discharge m 3 /min. Evaporator RCUG0ATHYZ ,00 9,0 1,790 0ASCC-Z RCUG50ATHYZ1 RCUG0ATHYZ1 RCUG75ATHYZ1 RCUG100ATHYZ1 Main (AC 3) 30, 15V / 50Hz, Control (AC 1) 0, 0V / 50Hz , , , , , , , ,50 1,90,100, ,90 3,10 50ASCC-Z 1,0 Overcurrent Relay for Compressor, Internal Thermostat for Compressor, Reverse Phase Protection Device for Compressor, Thermal Overcurrent Relay for Fan Motor, High-Pressure Switch, Low-Pressure Control, Suction Gas Temperature Control, Freeze Protection Thermistor Control, Oil Heater, Discharge Gas Thermistor, Fusible Plug, Fuse for Control Circuit and Pressure Relief Valve With 1 Inner Diameter With 90 Inner Diameter Companion Flange Companion Flange,000, RCUG70ATHYZ , ,0 1,30 50ASCC-Z,00, ,00(min.) 3,30 + 3,0 x 3,30 + 3,70 100~15, 0,390 1,70 R07C x 10 ;.5; 10; 5,00, x;.5; 10; 5 3,10, Overcurrent Relay for Compressor, Internal Thermostat for Compressor, Reverse Phase Protection Device for Compressor, Thermal Overcurrent Relay for Fan Motor, High-Pressure Switch, Low-Pressure Control, Suction Gas Temperature Control, Freeze Protection Thermistor Control, Oil Heater, Discharge Gas Thermistor, Fusible Plug, Fuse for Control Circuit and Pressure Relief Valve x; x.5; x10; x5 3,70 + 3,0 x 3,70 x,700 x, RCUG300ATHYZ1 RCUG330ATHYZ1 RCUG350ATHYZ1 RCUG30ATHYZ1 Main (AC 3) 30, 15V / 50Hz, Control (AC 1) 0, 0V / 50Hz 7 0, , , , ,0 1, , ,0 x 3,70 0,0 100~15()* 3, 0 11,10(min.),5 + 3,30, ,30 R07C ,50,50 With 1 Inner Diameter Companion Flange x 500 x 10 5 x; x.5; x10; 3 x5 5, ,70 5, ,70,00 +,700,00 +, ,0(min.) x,5 x 1 5,50 x; x.5; x10; x5 x 5,500 x,

7 R07C RCUG10ATHYZ , ,10 3,0 1,0,90 RCUG150ATHYZ1 RCUG10ATHYZ1 RCUG10ATHYZ1 RCUG00ATHYZ1 Main (AC 3) 30, 15V / 50Hz, Control (AC 1) 0, 0V / 50Hz , , , , , , , ,30 1,0 100~15(5)* 3, 0,590,75,5 R07C 3 50ASCC-Z 3 1 1,790,790 Overcurrent Relay for Compressor, Internal Thermostat for Compressor, Reverse Phase Protection Device for Compressor, Thermal Overcurrent Relay for Fan Motor, High-Pressure Switch, Low-Pressure Control, Suction Gas Temperature Control, Freeze Protection Thermistor Control, Oil Heater, Discharge Gas Thermistor, Fusible Plug, Fuse for Control Circuit and Pressure Relief Valve With 1 Inner Diameter Companion Flang,900 1,790 RCUG0ATHYZ , ,0 9,00(min.) x 3,0 x 3, x 10 x 500 x 10 x;.5; 10; 5 3,0, ,70, RCUG30ATHYZ1 RCUG00ATHYZ1 Main (AC 3) 30, 15V / 50Hz, Control (AC 1) 0, 0V / 50Hz 1,055 1, ,300 93, ,0 3,00 13,0(min.),900 +,5 x,900 R07C x 1 5,50 5,50 Overcurrent Relay for Compressor, Internal Thermostat for Compressor, Reverse Phase Protection Device for Compressor, Thermal Overcurrent Relay for Fan Motor, High-Pressure Switch, Low-Pressure Control, Suction Gas Temperature Control, Freeze Protection Thermistor Control, Oil Heater, Discharge Gas Thermistor, Fusible Plug, Fuse for Control Circuit and Pressure Relief Valve 5,30, NOTES: 3 x;.5; 10; x5 5,500, The nominal cooling capacities are based on the following conditions: *1 Chilled Water Inlet/Outlet Temperature 1 C/7 C Condenser Temperature 35 C (DB) * Chilled Water Inlet/Outlet Temperature 1 C/7 C Condenser Temperature C (DB).The units greater than 0ATHYZ1 including 0ATHYZ1 consist of two modules and are separately shipped.(*). The coon chilled water piping (Filed-Supplied) between each water cooler shall be directly connected at site. 3. Water Flow 1) RCUG0,300,30,00ATHYZ1 It is necessary to control the coon water flow volume to each cooler. ) RCUG70,330,350,30ATHYZ1 The chilled water flow rate is different between No.1 & No. units. It is necessary to control the water flow volume of each unit with adjusting valves (Filed-Supplied).. It is required to connect electrical control wires between No.1&No. units for the unit greater than 0ATHYZ1 including 0ATHYZ1. 5. ( )marked with *3 is available by selection switch.. Companion flanges are factory supplied. 5,535, x; x.5; x10; x5 x 3,0 x, Counication adapter connecting the unit to BMS (Building Management System) is an optional accessory, please contact with HITACHI or HITACHI distributor if required. For the details, please refer to Technical Catalog. With 1 Inner Diameter Companion Flange x 500 x 10 x; x.5; x10; x5 5, ,500 x 5,535 x,00 x, Working Range Item Chilled Water Outlet Temperature Condenser Air Inlet Temperature (DB) Standard 5~10 C 5~5 C Options Heat Recovery System Separate LCD Control Panel

8 Power Source Nominal Cooling Capacity* 1 Nominal Cooling Capacity* Capacity Control Outer Net Weight Refrigerant Compressor Heat Exchanger Safety Devices General Data Piping Connections for Water Side Heat Exchanger (Inlet/Outlet) Connection Hole Shipping Weight* Shipping Compressor Input* 1 Compressor Input* Main Power (square orifice) Circuit % Standard Flow Control Number of Circuits Type Quantity Condenser Condenser Fan Fan Power Input Motor Quantity Air Discharge m 3 /min. Evaporator RCU0ATHYZ , ,0 1,790 0ASCC-Z RCU50ATHYZ1 RCU0ATHYZ1 RCU75ATHYZ1 Main (AC 3) 30, 15V / 50Hz, Control (AC 1) 0, 0V / 50Hz , , , , ,0 1 1,0 100~15, 0,390 1,30 1,70 1, ASCC-Z 1,100, RCU100ATHYZ1 1 5, ,0,90 3,10 50ASCC-Z 1,0 Overcurrent Relay for Compressor, Internal Thermostat for Compressor, Reverse Phase Protection Device for Compressor, Thermal Overcurrent Relay for Fan Motor, High-Pressure Switch, Low-Pressure Control, Suction Gas Temperature Control, Freeze Protection Thermistor Control, Oil Heater, Discharge Gas Thermistor, Fusible Plug, Fuse for Control Circuit and Pressure Relief Valve With 1 Inner Diameter With 90 Inner Diameter Companion Flange Companion Flange,000, ,00, x 10 ;.5; 10; 5,00, x;.5; 10; 5 3,10, Power Source Nominal Cooling Capacity* 1 Nominal Cooling Capacity* Capacity Control Outer Net Weight Refrigerant Compressor Heat Exchanger Safety Devices Piping Connections for Water Side Heat Exchanger (Inlet/Outlet) Connection Hole Shipping Weight* Shipping Main Power (square orifice) Circuit Compressor Input* 1 Compressor Input* % Standard Flow Control Number of Circuits Type Quantity Condenser Condenser Fan Fan Power Input Motor Quantity Air Discharge m 3 /min. Evaporator RCU70ATHYZ , ,0 9,00(min.) 3,30 + 3,0 x 3,30 + 3,70 Overcurrent Relay for Compressor, Internal Thermostat for Compressor, Reverse Phase Protection Device for Compressor, Thermal Overcurrent Relay for Fan Motor, High-Pressure Switch, Low-Pressure Control, Suction Gas Temperature Control, Freeze Protection Thermistor Control, Oil Heater, Discharge Gas Thermistor, Fusible Plug, Fuse for Control Circuit and Pressure Relief Valve x; x.5; x10; x5 3,70 + 3,0 x 3,70 x,700 x, RCU300ATHYZ1 RCU330ATHYZ1 RCU350ATHYZ1 Main (AC 3) 30, 15V / 50Hz, Control (AC 1) 0, 0V / 50Hz , , , , ,00 x 3,70 9,0 100~15()* 3, 0 11,10(min.),5 + 3,30, , ,50,50 With 1 Inner Diameter Companion Flange x 500 x 10 5 x; x.5; x10; 3 x5 5, ,70 5, ,70,00 +,700,00 +, RCU30ATHYZ1 1, ,0 9 11,0 13,0(min.) x,5 x 1 5,50 x; x.5; x10; x5 x 5,500 x,

9 RCU10ATHYZ , ,900 3,0 1,0,90 RCU150ATHYZ1 RCU10ATHYZ1 RCU10ATHYZ1 RCU00ATHYZ1 Main (AC 3) 30, 15V / 50Hz, Control (AC 1) 0, 0V / 50Hz , , , , , , , ,0 3,30 1,0 100~15(5)* 3, 0,590,75,5 3 50ASCC-Z 3 1 1,790,790 Overcurrent Relay for Compressor, Internal Thermostat for Compressor, Reverse Phase Protection Device for Compressor, Thermal Overcurrent Relay for Fan Motor, High-Pressure Switch, Low-Pressure Control, Suction Gas Temperature Control, Freeze Protection Thermistor Control, Oil Heater, Discharge Gas Thermistor, Fusible Plug, Fuse for Control Circuit and Pressure Relief Valve With 1 Inner Diameter Companion Flang,900 1,790 RCU0ATHYZ , ,00 9,00(min.) x 3,0 x 3, x 10 x 500 x 10 x;.5; 10; 5 3,0, ,70, ,30, x;.5; 10; x5 5,500, ,535, x; x.5; x10; x5 x 3,0 x, RCU30ATHYZ1 RCU00ATHYZ1 Main (AC 3) 30, 15V / 50Hz, Control (AC 1) 0, 0V / 50Hz 1,110 1, ,00 95, , ,30,00 13,0(min.),900 +,5 x, x 1 5,50 5,50 Overcurrent Relay for Compressor, Internal Thermostat for Compressor, Reverse Phase Protection Device for Compressor, Thermal Overcurrent Relay for Fan Motor, High-Pressure Switch, Low-Pressure Control, Suction Gas Temperature Control, Freeze Protection Thermistor Control, Oil Heater, Discharge Gas Thermistor, Fusible Plug, Fuse for Control Circuit and Pressure Relief Valve NOTES: 1. The nominal cooling capacities are based on the following conditions: *1 Chilled Water Inlet/Outlet Temperature 1 C/7 C Condenser Temperature 35 C (DB) * Chilled Water Inlet/Outlet Temperature 1 C/7 C Condenser Temperature C (DB).The units greater than 0ATHYZ1 including 0ATHYZ1 consist of two modules and are separately shipped.(*). The coon chilled water piping (Filed-Supplied) between each water cooler shall be directly connected at site. 3. Water Flow 1) RCU0,300,30,00ATHYZ1 It is necessary to control the coon water flow volume to each cooler. ) RCU70,330,350,30ATHYZ1 The chilled water flow rate is different between No.1 & No. units. It is necessary to control the water flow volume of each unit with adjusting valves (Filed-Supplied).. It is required to connect electrical control wires between No.1&No. units for the unit greater than 0ATHYZ1 including 0ATHYZ1. 5. ( )marked with *3 is available by selection switch.. Companion flanges are factory supplied. 7. Counication adapter connecting the unit to BMS (Building Management System) is an optional accessory, please contact with HITACHI or HITACHI distributor if required. For the details, please refer to Technical Catalog. With 1 Inner Diameter Companion Flange x 500 x 10 x; x.5; x10; x5 5, ,500 x 5,535 x,00 x, Working Range Item Chilled Water Outlet Temperature Condenser Air Inlet Temperature (DB) Standard 5~10 C 5~5 C Options Heat Recovery System Separate LCD Control Panel

10 Dimensional Data R07C RCUG0,50,0 and 75ATHYZ1 RCU0,50,0 and 75ATHYZ1 (Unit: ) (,390) 90,100 Air Discharge Electric Control Box Water Outlet Temperature (With 90 Inner Diameter Flange) Screw Type Compressor Earth Connection Terminal M , Water Inlet Temperature (With 90 Inner Diameter Flange) Rigging holes(-50) MountingHoles(-) (1,95) 5.5 Chilled water outlet Chilled water inlet, Wiring Hole for Power Supply ,110 Fan 1. It should surpport the water pipings properly to avoid its weight press on the unit directly.. Water connection flanges (90 inner diameter) are supplied by factory with the unit. R07C RCUG100, 10 and 150ATHYZ1 RCU100, 10 and 150ATHYZ1 (Unit: ) (,90),00 Air Discharge Earth Connection Terminal M ,950 Screw Type Compressor Electric Control Box Water Outlet Temperature (With 1 Inner Diameter Flange) Water Inlet Temperature (With 1 Inner Diameter Flange) 1, (1,95) Rigging holes(-50) MountingHoles(-) Wiring Hole for Power Supply Chilled water outlet Chilled water inlet 1,10, Fan, It should surpport the water pipings properly to avoid its weight press on the unit directly.. Water connection flanges (1 inner diameter) are supplied by factory with the unit. R07C RCUG10,10 and 00ATHYZ1 RCU10,10 and 00ATHYZ1 (Unit: ) (,590) 1,900 90,300 Air Discharge Electric Control Box Water Outlet Temperature (With 1 Inner Diameter Flange) 5 Earth Connection Terminal M Screw Type Compressor Water Outlet Water Inlet 1,950,100 1,950 Water Inlet Temperature (With 1 Inner Diameter Flange) (1,95) 5.5,050 Rigging holes(-50) MountingHoles(-) Chilled water outlet 3,15,150 Chilled water inlet Fan 500 Wiring Hole for Power Supply 1. It should surpport the water pipings properly to avoid its weight press on the unit directly.. Water connection flanges (1 inner diameter) are supplied by factory with the unit. 9

11 R07C RCUG0, 70 and 300ATHYZ1 RCU0, 70 and 300ATHYZ1 (Unit: ) 9,00 (,90), (min.) (,90),00 Air Discharge Electric Control Box Earth TerminalM10 Screw Compressor 1, Earth TerminalM10 1,950 1,950 5 Chilled Water Outlet With1Inner Diameter Flange Chilled Water Inlet With1Inner Diameter Flange (1,95) 5.5,050 Rigging holes (-50) MountingHoles (1-) Wiring Hole for Power Supply ,10 No.1 water outlet No.1 water Inlet No. water outlet,090,10,090 No. water Inlet Fan NOTES: 1. This chiller consists of unit No.1 and No. and should be separately shipped.. Support the water pipes with stay not to give the weight of water pipes directly to the unit. 3. Provide a field-supplie coon water piping at the water coolers to connect unit No.1 and No.. Furthermore, for RCU(G)0, 300ATHYZ1: as the No.1 unit and No. unit have a same water rate, it just needs to control the coon water volume to the chiller; for RCU(G)70ATHYZ1: because the chilled water flow rate between No.1 and No. unit is different, It is necessary to control the water volume of each unit with adjusting valves.. It needs to field-connect the control wiring between the No.1 unit and No. unit. R07C RCUG330 and 350ATHYZ1 RCU330 and 350ATHYZ1 (Unit: ) 11,10 90 (,90),00, (min.) 90 Air Discharge Electric Control Box 5 Earth TerminalM ,950,100 Earth TerminalM10 Screw Compressor 1, ,950 1,950 Chilled Water Outlet With1Inner Diameter Flange Chilled Water Inlet With1Inner Diameter Flange Rigging holes (-50) MountingHoles (1-) (1,95) 5.5, Wiring Hole for Power Supply No.1 water outlet No.1 water Inlet No. water outlet 3,15,150,10, No. water Inlet Fan NOTES: 1. This chiller consists of unit No.1 and No. and should be separately shipped.. Support the water pipes with stay not to give the weight of water pipes directly to the unit. 3. Provide a field-supplie coon water piping at the water coolers to connect unit No.1 and No.. Furthermore, for RCU(G)330, 350ATHYZ1, because the chilled water flow rate between No.1and No. unit is different, It is necessary to control the water volume of each unit with adjusting valves.. It needs to field-connect the control wiring between the No.1 unit and No. unit. 5. The dimension marked with P of No. unit is 300. R07C RCUG30, 30 and 00ATHYZ1 RCU30, 30 and 00ATHYZ1 (Unit: ) (,590) 90,300 13,0 100(min.) (,590), Electric Control Box Air Discharge Earth TerminalM10 Earth TerminalM10 Screw Compressor 1,950,100 1, ,950,100 1,950 5 Chilled Water Outlet With1Inner Diameter Flange Chilled Water Inlet With1Inner Diameter Flange Rigging holes (-50) MountingHoles (1-) (1,95) 5.5, Wiring Hole for Power Supply No.1 water outlet No.1 water Inlet No. water outlet 10 3,15,150,105,150 No. water Inlet Fan NOTES: 1. This chiller consists of unit No.1 and No. and should be separately shipped.. Support the water pipes with stay not to give the weight of water pipes directly to the unit. 3. Provide a field-supplie coon water piping at the water coolers to connect unit No.1 and No.. Furthermore, for RCU(G)30, 00ATHYZ1: as the No.1 unit and No. unit have a same water rate, it just needs to control the coon water volume to the chiller; for RCU(G)30ATHYZ1: because the chilled water flow rate between No.1 and No. unit is different, It is necessary to control the water volume of each unit with adjusting valves.. It needs to field-connect the control wiring between the No.1 unit and No. unit. 10

12 ISO 9001 ISO 1001 Printed in Japan (H) HR-E51Q Apr. 009

The High-efficiency Water-cooled Chiller "H series"

R07C NEW The High-efficiency Water-cooled Chiller "H series" The Water-cooled chiller "H series" with improved efficiency and functionality by several advanced technology. This series with the world's