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  2. Screw refrigerator condensing unit inverter type two-stage compression series (air-cooled type) outdoor installation type (Kyushu Kiden Co., Ltd.)
Screw refrigerator condensing unit inverter type two-stage compression series (air-cooled type) outdoor installation type-RSU-R402TAV
Screw refrigerator condensing unit inverter type two-stage compression series (air-cooled type) outdoor installation type-Kyushu Kiden Co., Ltd.

Screw refrigerator condensing unit inverter type two-stage compression series (air-cooled type) outdoor installation type
Kyushu Kiden Co., Ltd.

Kyushu Kiden Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

29.5hours

Company Review

5.0

Relatively Fast Response

About This Product

■Equipped with a new high-performance inverter compressor

・Improved efficiency by optimizing the low/high stage discharge rate ratio ・Improved efficiency by optimizing internal volume ratio ・High precision rotor reduces internal leakage and improves efficiency

■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 "freezing (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 detected value of the suction pressure sensor built into the refrigerator, and the compressor rotation speed is continuously controlled.

■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.

■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.

■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 product with a noise filter built into it. Please contact our sales office for details.

■Reducing compressor restart prevention time

Once the compressor of a constant speed machine is stopped, the compressor cannot be restarted for 10 minutes to prevent restart in order to protect the motor and reduce the startup load. The inverter machine can reduce the motor load by starting at a low frequency, shortening the restart time that used to take 10 minutes, and shortening the stop time (3 minutes at the time of shipment) according to the operation command from the load side. You can restart it.

■Refrigerating machine oil is already included

Refrigeration oil (Freol α32N) is shipped with the initial amount sealed. However, depending on the operating conditions, additional on-site packaging may be required, so please check carefully when operating.

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    Screw refrigerator condensing unit inverter type two-stage compression series (air-cooled type) outdoor installation type

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3 Models of Screw refrigerator condensing unit inverter type two-stage compression series (air-cooled type) outdoor installation type

Click on the part number for more information about each product

Image Part Number Price (excluding tax) High Pressure Gas Safety Act classification Power frequency (Hz) Product mass (kg) Legal refrigeration capacity (tons) Suction pressure saturation temperature (℃) Refrigerant Nominal output (kW)
Screw refrigerator condensing unit inverter type two-stage compression series (air-cooled type) outdoor installation type-Part Number-RSU-R402TAV

RSU-R402TAV

Available upon quote

No notification required

50/60 shared

1,280

16.85

−65~−30

R404A

30

Screw refrigerator condensing unit inverter type two-stage compression series (air-cooled type) outdoor installation type-Part Number-RSU-R503TAV

RSU-R503TAV

Available upon quote

No notification required

50/60 shared

2,410

17.66

−65~−30

R404A

37

Screw refrigerator condensing unit inverter type two-stage compression series (air-cooled type) outdoor installation type-Part Number-RSU-R753TAV

RSU-R753TAV

Available upon quote

Notification

50/60 shared

2,630

Twenty three

−65~−30

R404A

55

Click on the part number for more information about each product

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About Company Handling This Product

Kyushu Kiden Co., Ltd.

Response Rate

100.0%

Response Time

29.5hrs

Company Review

5.0
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