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  4. Compact, easy-to-install, easy-to-operate and manage absorption chiller/heater Direct-fired dual-effect SIGMA MIDY MD type MD-70 (extra large heating/gas fired) (Kawaju Refrigeration Industry Co., Ltd.)
Compact, easy-to-install, easy-to-operate and manage absorption chiller/heater Direct-fired dual-effect SIGMA MIDY MD type MD-70 (extra large heating/gas fired)-MD-70 (extra large heating/gas fired)
Compact, easy-to-install, easy-to-operate and manage absorption chiller/heater Direct-fired dual-effect SIGMA MIDY MD type MD-70 (extra large heating/gas fired)-Kawaju Refrigeration Industry Co., Ltd.

Compact, easy-to-install, easy-to-operate and manage absorption chiller/heater Direct-fired dual-effect SIGMA MIDY MD type MD-70 (extra large heating/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

■High efficiency and cost reduction through combustion proportional control

By proportionally controlling combustion according to load conditions, the chilled water temperature can be stabilized, resulting in energy savings and high efficiency.

■Low NOx burner that reduces environmental impact

Low NOx burner suppresses NOx emissions. Certified by the Ministry of the Environment as a product that contributes to reducing environmental impact (equipment compliant with the Green Purchasing Law).

■Heavy load standard support and thorough warranty system

Supports heavy loads (more than 4000 hours of cooling per year) as standard. In addition, by signing an annual maintenance contract, we provide a long-term warranty (up to 7 years, an industry first)

■Pack type

An absorption chiller/heater, cooling tower, chilled water pump, and cooling water pump can be installed as one unit.

■Supports separate delivery

It is possible to divide the cargo into two parts when it is difficult to turn the route or pass through the delivery entrance.

■Heating capacity

standard, extra large

  • Product

    Compact, easy-to-install, easy-to-operate and manage absorption chiller/heater Direct-fired dual-effect SIGMA MIDY MD type MD-70 (extra large heating/gas fired)

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1 Models of Compact, easy-to-install, easy-to-operate and manage absorption chiller/heater Direct-fired dual-effect SIGMA MIDY MD type MD-70 (extra large heating/gas fired)

Image Part Number Price (excluding tax) Power supply current (50Hz/60Hz) A Power capacity (50Hz/60Hz) kVA Electricity power supply Wiring thickness 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 operating mass t Mechanical specifications (indoor type) Custom width (W) mm Total motor output during heating (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 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
Compact, easy-to-install, easy-to-operate and manage absorption chiller/heater Direct-fired dual-effect SIGMA MIDY MD type MD-70 (extra large heating/gas fired)-Part Number-MD-70 (extra large heating/gas fired)

MD-70 (extra large heating/gas fired)

Available upon quote

16.9/16.1

5.3/5.0

200V, 3Φ

3.5

285 (245)

246 (70)

13A gas
17.9/26.4 (224/330)

54.2 → 60.0

1,900

2,590

3.6

1,700

2.20/2.20

118×218

40

80

100

1.96

1.2/1.2

42.3

50.2

0.091

12.0 → 7.0

2.35/2.35

0.15/0.15

70

93.3

32.0 → 37.3

0.165

1.00/1.00

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