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  4. Earth-friendly and efficient cooling screw refrigerator RSU-R752TFV (Kulow System Co., Ltd.)
Earth-friendly and efficient cooling screw refrigerator RSU-R752TFV-RSU-R752TFV
Earth-friendly and efficient cooling screw refrigerator RSU-R752TFV-Kulow System Co., Ltd.

Earth-friendly and efficient cooling screw refrigerator RSU-R752TFV
Kulow System Co., Ltd.

Kulow System Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

11.6hours

Fast Response

About This Product

Features

■Improved efficiency [Air-cooled type (outdoor installation type)]

Equipped with a new high-performance inverter compressor ①Improved efficiency by optimizing the low/high stage discharge rate ratio ②Improve efficiency by optimizing internal volume ratio ③ High-precision rotor reduces internal leakage and improves efficiency (compared to our company)

■Improved operability and serviceability by adopting a liquid crystal touch panel

Adoption of LCD touch panel (refrigerator information is displayed on the LCD screen)

■Two modes can be set depending on the application

For "suction pressure control" and "interior temperature control", mode switching is possible using external input signals. Please use this when switching the setting values ​​such as "pre-cooling (set temperature inside the refrigerator -20℃)" and "freeze (set temperature inside the refrigerator -40℃)".

■Frequency control

We have prepared four types of frequency control methods to accommodate a variety of uses. (Selected by switch on printed circuit board)

■Suction pressure control

The cooling load is determined based on the detection value of the suction pressure sensor built into the refrigerator, and the compressor rotation speed is continuously controlled. ・Area 1: Increase the operating frequency based on the inverter load factor ・Area ②: Maintain operating frequency ・Area ③: Reduce operating frequency

■Interior temperature control

The temperature inside the refrigerator is input as a 4 to 20 mA DC signal from a temperature controller prepared on site to the refrigerator control panel, the cooling load is determined, and the compressor rotation speed is continuously controlled. ・Area 1: Increase the operating frequency based on the inverter load factor ・Area ②: Maintain operating frequency ・Area ③: Reduce operating frequency

■External contact control

A non-voltage contact signal prepared on site is input to the compressor control panel to control the compressor rotation speed in three stages. Stepwise control is performed to vary the compressor rotation speed from "Stop - Frequency ① - Frequency ② - Maximum frequency" according to the open/close status of the non-voltage contact signal from control equipment prepared on site.

■Proportional control

The operating frequency is continuously controlled by an external DC4 to 20mA current signal.

■Noise filter available as an option

A noise filter for the inverter is available as an option. Regarding noise countermeasures, please take measures on-site as necessary. As an option, it is also possible to ship a noise filter built into the product.

  • Product

    Earth-friendly and efficient cooling screw refrigerator RSU-R752TFV

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1 Models of Earth-friendly and efficient cooling screw refrigerator RSU-R752TFV

Image Part Number Price (excluding tax) High pressure gas safety law classification Power frequency (Hz) Product mass (kg) Legal refrigeration capacity (tons) Suction pressure Saturation temperature (℃) Refrigerant Nominal output (kW)
Earth-friendly and efficient cooling screw refrigerator RSU-R752TFV-Part Number-RSU-R752TFV

RSU-R752TFV

Available upon quote

Notification

50/60 shared

1,640

21.5

−65~−30

R404A

55

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About Company Handling This Product

Kulow System Co., Ltd.

Response Rate

100.0%

Response Time

11.6hrs

  • Japan

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