RKE750A1-V / RKE1500B1-V(W) / RKE2200B1-V(W)

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RKE750A1-V-G1 RKE2200B1-V-G2
Cooling Capacity
2.7 to 8.7 kW (Air Cooled)
6.0 to 10.4 kW (Water Cooled)
Operable Ambient Temperature Range
–5 to 43 ℃ (Air Cooled)
2 to 43 ℃ (Water Cooled)
Operable Liquid Temperature Range
5 to 35 ℃
Temperature Control Precision
±0.1℃
  • Over 30% energy savings and speed control together with a high temperature-control precision of ±0.1 ℃. (Compared to older models.)
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Features

Making normally opposing technologies of energy-saving and high-precision work together.

Making normally opposing technologies of energy-saving and high-precision work together.

Our inverter controlled compressor responds to fluctuating workloads linearly, achieving high precision control while using the least amount of energy. Also, thanks to ORION's original capacity control technology, high precision temperature control can be maintained even during low load situations that are normally difficult to deal with.
(User can choose between "High-Precision" and "Energy-Saving" modes in response to low-load conditions.)

As much as 65% Energy Savings Possible
Power Consumption Rate Based On Chiller Load Factor

Even compared with power saving ON/OFF type chillers, our DC Inverter control models offer energy savings of 30% at full load. A maximum 65% reduction in energy is possible when compared with temperature-stability-focused hot gas bypass types or proportional valve PID controlled chillers.

±0.1℃* High Precision Control
±0.1 ℃※High Precision Control

Adaptable to various applications that require high precision operation by using high-level temperature management.
Its extreme versatility makes it suitable for a wide range of applications, including precision production-use lasers, semiconductor manufacturing, analytical devices, and many others.
* When the load and ambient temperature are stable.

Wide Range Achieved

Wide Range Achieved

Fluid Temp. Control Range of 5 to 35 ℃ allows for wide-ranging applications. High temperature operation possible for piping condensation prevention, etc. Works in an increased range of ambient temperatures*from –5 to +43 ℃. (Water cooled types from +2 ℃.)This means our chiller can do its job under even harsher working conditions.
* If the ambient temperature could possibly fall down to 5 ℃ or lower, then measures should be taken to ensure that external piping does not freeze.

Built for Improved Ease of Use

The operation panel is set at an angle for improved easy of use and better visibility!
The operation panel is set at an angle for improved easy of use and better visibility!
The water tank is located at the top for easier water supply, water quality confirmation, and cleaning!
The water tank is located at the top for easier water supply, water quality confirmation, and cleaning!
The condenser duct filter is easily removed with a single touch. (Air cooled models only.)

Optional Equipment

An Abundance of Options with Multi-Choice Functionality

An Abundance of Options with Multi-Choice Functionality

Users have many options to choose from such as remote control, heaters, communication software and others to further suit their application requirements and operating environment. CE certification on built-to-order models is available.

Using Multi-Option Parameters, users can tailor the chiller operation to best suit their many needs and operating conditions.
Using Multi-Option Parameters, users can tailor the chiller operation to best suit their many needs and operating conditions.

Example of Energy Saving Configuration

Energy Saving Points Give your fluctuating cooling load a Big Inverter Chiller that can handle it!

RKS1500F-V ⇒ RKE1500B1-V Upgrade
RKS1500F-V ⇒ RKE1500B1-V Upgrade
Comparison Conditions
Comparison Conditions
Power Consumption Rate Based On Chiller Load Factor
Power Consumption Rate Based On Chiller Load Factor
Amount of CO₂ Emission Reduction
Amount of CO₂ Emission Reduction* The CO₂ emission coefficient used is 0.410, which is the average of 8 power companies.
Yearly Power Consumption Comparison
Yearly Power Consumption Comparison

Specifications

*1 For operation on air-cooled machines when the chilled water temperature is 20 ℃ and the ambient temperature is 32 ℃, or for water-cooled machines when the chilled water temperature is 20 ℃ and the cooling water temperature is 32 ℃. Cooling capacity is at least 95% of listed figures.
*2 Source voltage phase unbalance should be less than ±3%.
*3 The figure noted is when operating at the highest capacity of its specified operating range.
*4 The compressor may cycle on and off when the product is starting up or when the cooling load is low.
*5 Operating noise levels are from a position of 1 m in front of the unit and at a height of 1 m.
*6 Comes standard with a built-in multi-purpose overload and short circuit protection earth leakage breaker.
Note 1: Liquid (chilled water) that can be used are either clean water and a 30 to 40% ethylene glycol solution. Note that there will be a drop in cooling capacity of 10% if using a 30 to 40% ethylene glycol solution. Alternatively, if deionized water is to be used, it should have an electrical conductivity of at least 1 μS/cm.
Note 2: Heat output from the unit is approx. 1.3 times that of the cooling capacity. (Air cooled models only.)

External Diagram

Air Cooled

Water Cooled

Performance

Cooling Capacity Curves

Minimum Heat Requirement for Inverter Control

*1 Even when operating under the high precision mode, if the heat load falls below the lower limit, the product will switch to ON-OFF cycling, and control precision will worsen.
*2 If high precision control is required even when the heat load is below the heat load lower limit, then either use the "Heater Option Kit" or special-order product with an added CCV.

Pump Characteristic Curves

Cooling Water Flow Rate (For water cooled condenser)

Documentation is available for download.

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We also offer a demo unit.

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