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  4. High-efficiency Efficio series lineup Direct-fired dual-effect absorption chiller/heater High-term efficiency machine NU type NU-300 (Standard/Gas-fired) (Kawaju Refrigeration Industry Co., Ltd.)
High-efficiency Efficio series lineup Direct-fired dual-effect absorption chiller/heater High-term efficiency machine NU type NU-300 (Standard/Gas-fired)-NU-300
High-efficiency Efficio series lineup Direct-fired dual-effect absorption chiller/heater High-term efficiency machine NU type NU-300 (Standard/Gas-fired)-Kawaju Refrigeration Industry Co., Ltd.

High-efficiency Efficio series lineup Direct-fired dual-effect absorption chiller/heater High-term efficiency machine NU type NU-300 (Standard/Gas-fired)
Kawaju Refrigeration Industry Co., Ltd.

About This Product

Features of absorption chiller/heater/freezer

■Diverse thermal energy use

In addition to fuels (gas, oil), various types of thermal energy can be used, such as waste heat from gas engines, steam, and natural solar heat.

■Peak cut

Since thermal energy is the main power, electricity consumption during operation is small. In general, the amount of electricity used for air conditioning tends to increase in the summer, but since absorption chiller/heaters and refrigerators consume less electricity, it is possible to cut peak electricity consumption in the summer.

■Gas/oil switching exclusive firing

Since it can use stockpiled fossil fuels, it can also be used as a BCP measure for hospitals and public facilities that need to operate even in the event of a disaster. Product overview

■ Based on the standard NE model, the NU model achieves high period efficiency.

Equipped with high-performance heat transfer tubes to further improve COP.

■Heating capacity standard

・Cooling capacity: 281~3,517kW (80~1,000USRT) ・Fuel: Gas/Oil

■Heating capacity Heating extra large ①

・Cooling capacity: 281~3,517kW (80~1,000USRT) ・Fuel: Gas/Oil

■Heating capacity Heating extra large ②

・Cooling capacity: 281~3,165kW (80~900USRT) ・Fuel: Gas/Oil

■Heating capacity Heating extra large ③

・Cooling capacity: 281~2,813kW (80~800USRT) ・Fuel: Gas/Oil

  • Product

    High-efficiency Efficio series lineup Direct-fired dual-effect absorption chiller/heater High-term efficiency machine NU type NU-300 (Standard/Gas-fired)

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1 Models of High-efficiency Efficio series lineup Direct-fired dual-effect absorption chiller/heater High-term efficiency machine NU type NU-300 (Standard/Gas-fired)

Image Part Number Price (excluding tax) Power supply current (50Hz/60Hz) A Power capacity (50Hz/60Hz) kVA Electricity power supply Wiring thickness (50Hz/60Hz) mm2 Capacity Heating kW (Mcal/h) Capacity Cooling kW (USRT) Fuel consumption Gas (cooling/heating) m3N/h (kW) Hot water inlet temperature - outlet temperature °C Mechanical specifications (indoor type) Custom height (H) mm Mechanical specifications (indoor type) Custom length (L) mm Mechanical specifications (indoor type) Custom width (W) mm Total motor output during heating (50Hz/60Hz) kW Spray absorption liquid pump (50Hz/60Hz) kW Connection size Combustion exhaust gas outlet mm Connection size Fuel inlet A Connection size Cold/hot water inlet/outlet A Connection port size Cooling water inlet/outlet A Required supply pressure kPa Circulating absorption liquid pump (50Hz/60Hz) kW Cold and hot water flow m3/h Cold and hot water pressure loss kPa Amount of cold and hot water held m3 Chilled water inlet temperature - outlet temperature °C Total motor output during cooling (50Hz/60Hz) kW Refrigerant pump (50Hz/60Hz) kW Cooling water flow rate m3/h Cooling water pressure loss kPa Cooling water inlet temperature - outlet temperature °C Cooling water capacity m3 Burner blower (50Hz/60Hz) kW
High-efficiency Efficio series lineup Direct-fired dual-effect absorption chiller/heater High-term efficiency machine NU type NU-300 (Standard/Gas-fired)-Part Number-NU-300

NU-300

Available upon quote

31.9/29.5

10.2/9.3

200V, 3Φ

8.0/8.0

731 (629)

1,055 (300)

13A gas
67.0/67.0 (838/838)

56.5 → 60.0

2,159

5,192

2,214

5.0/5.0

1.3/1.3

210×441

65

150

200

1.96

2.2/2.2

181.4

45.6

0.35

12.0 → 7.0

5.2/5.2

0.2/0.2

300

54.6

32.0 → 37.2

0.88

1.5/1.5

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Kawaju Refrigeration Industry Co., Ltd.

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