Overview: The document is a technical catalog for ORION's Heavy Duty Chillers with Built-In Water Tanks, focusing on energy savings and high precision control. It highlights the RKE-B and RKE-A series, detailing their specifications, energy-saving features, and global service network.
Specifications: The RKE-B series offers cooling capacities ranging from 12.2 to 96.0 kW, with operable ambient temperatures from -20 to 45°C for air-cooled models and 2 to 45°C for water-cooled models. The chillers feature a wide operable liquid temperature range of 3 to 35°C, with a control precision of ±0.1°C.
Energy Efficiency: The document emphasizes the energy-saving capabilities of the RKE3750B-V model, which achieves a 66% reduction in energy consumption compared to the previous model (RKL-3750V-C1). This results in significant CO2 output reduction and cost savings.
Technological Features: The chillers incorporate inverter drives for compressors, fans, and pumps, allowing for optimized operation and reduced energy waste. The TESC (Triple Eco Speed Control) system is highlighted as a top-class energy-saving feature in the industry.
Service and Support: ORION offers a global service network with customer support centers in Europe, North America, and Asia. The company provides a one-stop service approach, including demo machinery loans and periodic maintenance.
Additional Information: The catalog includes detailed specifications for various models, including power consumption, operating noise levels, and construction details. It also provides diagrams for cooling capacity and chilled water flow, illustrating the performance under different conditions.
Specifications:
The RKE-B Series includes air-cooled and water-cooled models with various specifications. The models are equipped with fully sealed rotary or scroll compressors, inverter-driven, and have a cooling capacity ranging from 14.1 kW to 48.0 kW. The operable ambient temperature range is 2 to 45°C, with an accessory available for -20 to 50°C. The power source is three-phase 200V with a tolerance of ±10%.
Procedures:
Signal and communications wiring should be routed through separate access holes from power cables. The control panel features a touch panel for easy operation and monitoring. The system supports linking of multiple units, allowing centralized operation of up to 16 units.
Norms and Standards:
The general tolerance follows JIS B0405(1991)-v standards. The unit includes an earth leakage breaker for safety.
Recommendations:
For optimal performance, ensure the required quantity of water as shown in the cooling water flow rate graphs. Use clean water or a 30 to 40% ethylene glycol solution for chilled water, noting a 10% reduction in cooling capacity with the glycol solution.
Cooling Capacity and Flow Rate:
The cooling capacity varies with water temperature, with detailed graphs provided for different models. The flow rate changes based on inverter frequency, and additives can affect flow rate characteristics.
Key Features:
The intelligent touch panel allows for intuitive operation, with language options in English, Japanese, and Chinese. The system includes a liquid temperature upper/lower limit warning and supports optional equipment like a central chiller controller and snow protection hood.
Accessories:
Various accessories are available, including high flow rate pumps, leakage alarm models, and remote control sets. The ventilation hood supports outdoor installations, and filters are available to prevent clogging in water circuits.
Specifications and Features:
1. Temperature Detection and Alarms: The system allows for abnormal liquid (chilled water) temperature detection with options to enable or disable alarms for relative and absolute values. Alarms are triggered if the temperature exceeds set upper or lower limits, which can be configured via an intelligent touch panel.
2. Time Elapsed Warning: A warning is issued if a pre-set operational time is exceeded, aiding in maintenance management. The time can be set between 1 to 30,000 hours.
3. Communication and Remote Control: USB and RS-422A/485 communications enable remote operation and setting changes. Remote control can be wired with a maximum length of 100 meters, and a Central Chiller Controller can manage multiple units.
4. Signal Output and Alarm Options: The system provides options for operation and alarm signals through no-voltage contacts or voltage output. The relay action for alarms can be set via the touch panel.
5. Settings Lock: Changes to water temperature and other parameters can be locked to prevent unauthorized adjustments.
Construction and Design:
1. Casters and Coating: Various caster configurations are available, including free-wheeling and fixed options. The external surface is coated with polyester resin for corrosion resistance.
2. Water Temperature Control: Precision control of water temperature is maintained at ±0.1 ˚C, with heating functionality available to raise temperatures during startup.
Operating Environment:
1. Temperature Range: The system operates with a working liquid temperature range of 3 to 35 ˚C, with options for low and high ambient temperature specifications.
2. Freeze-Prevention and Warm-Up Modes: These modes prevent freezing and maintain water temperature during non-operational periods, configurable via the touch panel.
3. Noise and Weather Protection: Low noise mode reduces fan speed and noise, while snow protection mode and hoods prevent snow accumulation.
Chilled Water Circuit:1.
Pump and Valve Specifications: High flow rate pumps and relief valves are available for pressure protection. Water level alarms and supply port controls ensure consistent operation.
2.
Water Filtration: Various water filter assemblies are available with different filtration ratings to maintain water quality.
Overview: This document provides technical specifications and operational guidelines for deionized water equipment used in chilled water circulation circuits. It includes details on water purifiers, power supply, control specifications, and additional features for the RKE-B Water-Cooled Series.
Specifications:- Water Quality: The equipment ensures water quality of 10 μS/cm or lower.
- Power Supply: Supports three-phase voltages: 200 V (50/60 Hz), 220 V (60 Hz), 230 V (50 Hz), and higher voltages requiring an external transformer.
- Overload Safety: Includes a built-in multipurpose overload and short circuit protection breaker with current sensitivities of 30 mA and 100 mA.
Control and Display:- Intelligent Touch Panel: Displays time, date, water temperature, and operational parameters. Supports multiple languages including Japanese, English, and Chinese.
- Operation Settings: Allows enabling/disabling operations from the main unit, remote control, or external communications.
- Power Outage Recovery: Offers manual, automatic, or remote operation priority recovery patterns.
Operational Features:- Freeze-Prevention Mode: Operates the discharge pump to prevent freezing during low temperatures.
- Warm Up Mode: Maintains water temperature during non-operation in cold conditions.
- Low Noise Mode: Reduces fan speed and noise.
Installation and Environmental Considerations:- Outside Installation: Rated IPX4, requires additional measures for direct sunlight, strong winds, or freezing conditions.
- Snow Protection: Includes modes to prevent snow accumulation and entry into the system.
Additional Equipment and Options:- Water Filters: Various assemblies available with filtration ratings from 5μm to 100μm.
- Remote Control: Options for wired remote control with varying maximum wiring lengths.
- Alarm and Signal Outputs: Configurable alarm signals and temperature warnings via the touch panel.
Maintenance and Safety:- Water Leakage Detection: Built-in leak detector.
- Vibration Reducing Base: Reduces vibration transmission from the chiller.
- Water Tank Alarms: Includes water-level alarms to prevent shortages.
Specifications:
The document outlines specifications for various models of chillers, including RKE3750B-VW-CE, RKE5500B-VW-CE, RKE7500B-VW-CE, RKE11000B-VW-CE, and RKE15000B-VW-CE. These models feature a built-in multi-purpose overload and short circuit protection breaker. The recommended liquid for use is either clean water or a 30 to 40% ethylene glycol solution, with a noted 10% reduction in cooling capacity when using the glycol solution. Deionized water should have an electrical conductivity of at least 1 μS/cm.
Procedures:
For liquid temperature settings of 0 to 3 °C, a 30 to 40% solution of industrial-use ethylene glycol is recommended. The actual cooling water flow rate will depend on the water temperature, and the required quantity of water is shown in accompanying graphs.
Cooling Water Flow Rate:
The document provides detailed flow rates for different models, with specific flow rates for each model at various water temperatures. For example, the RKE3750B-VW-CE has a flow rate of 43 L/min, while the RKE15000B-VW-CE has a flow rate of 200 L/min.
Cooling Capacity:
Cooling capacity is detailed under specific conditions, such as chilled water temperature and cooling water temperature at intake. The document includes graphs illustrating cooling capacity across different models and conditions.
External Dimensions:
Dimensions for each model are provided, including detailed diagrams showing the layout of components such as the cooling water inlet, outlet, and control panel.
Warranty:
The refrigerant circuit warranty is 2 years from the date of purchase or 10,000 hours of operating time.
Standards and Compliance:
The models comply with the RoHS2 Directive [2011/65/EU+(EU)2015/863] and have an IPX4 equivalent rating, indicating splash-proof protection.
Additional Features:
Some models include features such as inverter-controlled compressors, built-in discharge pumps, and communication interfaces for temperature control via RS232C or RS422 interfaces.
Overview: The document provides detailed specifications and features of the RKE-A Series (Heavy Duty Water-Cooled Models) and RKED Series (Digital Control Models) chillers. It includes technical specifications, operational guidelines, and accessory options for these models.
Specifications: The RKE22000A-VW and RKE30000A-VW models are water-cooled chillers with cooling capacities of 70.0/73.0 kW and 96 kW respectively. They operate within an ambient temperature range of 2 to 43°C and a liquid temperature range of 15 to 30°C. The power source is three-phase 200 ±10% (50/60 Hz) or 220 ±10% (60 Hz), with power consumption ranging from 38.0 to 43 kW.
Features: Key features include inverter-controlled compressors, built-in discharge pumps, and the use of environmentally friendly HFC refrigerant R-407C. The models are splash-proof rated (IPX4) and include external warning alarm terminals for operation and remote control.
Performance: The chillers offer precise liquid temperature control with a precision of ±0.5 to ±1.0°C, depending on the load. They are designed for energy efficiency, achieving up to 57% energy savings compared to previous models.
Accessories: Various accessories are available, including remote control panels, wind shields, and snow protection hoods. These accessories are sold separately and are designed to enhance the functionality and adaptability of the chillers in different environments.
Installation and Maintenance: The document emphasizes the importance of proper installation, including the use of strainers and appropriate liquid types. It also notes the warranty period for the refrigerant circuit, which is two years or 10,000 hours of operation.
Conclusion: The RKE-A and RKED Series chillers are robust, energy-efficient solutions for industrial cooling needs, offering a range of features and accessories to suit various applications.
Overview: The document provides detailed specifications and installation guidelines for various water filter assemblies and deionizer assemblies, along with information on the ORION IoT system for remote monitoring and operation of equipment.
Specifications:- Water Filter Assemblies: Three models (A, B, C) with specific part numbers and applicable models. Key specifications include maximum working pressure (0.5 MPa), maximum working temperature (50°C), degree of filtration (100 μm), and initial element pressure loss (0.02 MPa at specified flow rates).
- Deionizer Assemblies: Three models (C, D, E) with specific part numbers and applicable models. Specifications include processing capacity, water quality, working water pressure (0.05 – 0.2 MPa), and working water temperature (5 – 40°C).
Installation Guidelines:- Water Filter Installation: Wall mount type for easy cartridge replacement, with optional stand mount available. Includes ball valves as standard equipment.
- Deionizer Installation: Wall-mounted with optional stand mount. Installation should avoid direct sunlight and areas prone to damage.
- Unloading and Placement: Ensure the installation location is free from combustible materials and provides adequate space for ventilation and maintenance. Specific guidelines for forklift use and securing the unit are provided.
ORION IoT System:- Enables remote monitoring and operation of equipment using factory's internal network. Features include mail alerts for alarm conditions, CSV-format data logging, and remote operation capabilities.
- Software is only available in Japanese, and operation with non-Japanese systems is not confirmed.
Important Notes:- Ensure water supply and drainage piping is installed reliably to prevent leaks and potential electric shock.
- Maintain specified water pressure limits to avoid equipment damage.
- Follow specific guidelines for piping connections to prevent water leakage.
Cooling Water System Installation- Confirm positions of Cooling Water inlet and outlet, marked with stickers.
- Install Cooling Water inlet and outlet valves, safety relief valve, purge/drain valve, and union coupling.
- Ensure cooling water inlet pressure is 0.69 MPa or lower.
Piping Methods- Minimize pipe lengths and avoid vertical and curved piping.
- Use two wrenches for tightening connections.
- Install customer-supplied valves at chilled water ports and a Y-strainer on the intake side.
- Support long horizontal piping to prevent damage.
- Insulate piping and ensure water supply pressure is 0.50 MPa or less.
Electrical Wiring- Choose power cable based on breaker capacity and ensure proper grounding.
- Route power cord through access hole and secure with cable tie.
- Ensure source voltage is within ±10% of specified voltage and phase unbalance within ±3%.
Remote Operation and Communications- Use USB or RS-422A for communications, with specific cable lengths and gauges.
- Remote operation input and signal output specifications provided.
Ducting Design Points- Ensure duct cross-sectional area is adequate and install fans if necessary.
- Do not obstruct exhaust output within 2 m of the unit.
Water Selection and Maintenance- Use ground, municipal, or cooling-tower water meeting quality standards.
- Operate with antifreeze rust inhibitor additives cautiously.
- Maintain water pressure at supply port at 0.50 MPa or less.
- Inspect water circuits and clean condenser filter monthly.
Chilled Water Standards: The document outlines the standards for chilled water, recommending the use of clean water or a 30-40% ethylene glycol solution. Deionized water should have an electrical conductivity of at least 1 μS/cm. Using non-approved liquids can damage equipment and cause safety hazards.
Cooling Water Specifications: The document provides detailed specifications for cooling water, including pH levels, electric conductivity, and ion concentrations. These specifications are crucial to prevent corrosion and scaling, ensuring optimal performance.
Operating Conditions: The document specifies operating temperature ranges for different models, emphasizing the importance of staying within these ranges to prevent unit breakdown. It also advises against using aluminum parts in water circuits to avoid corrosion.
Installation Guidelines: The document provides detailed instructions for the installation of units, including choosing a suitable location, ensuring adequate ventilation, and avoiding direct sunlight. It also highlights the importance of proper anchoring and space for maintenance.
Unloading and Placement: The document outlines procedures for unloading and placing units, emphasizing safety precautions to prevent injury or damage. It includes specific instructions for using forklifts and eyebolts during transportation.
Water Supply and Drainage: The document details the construction of water supply and drainage systems, including pressure limits and piping methods. It stresses the importance of avoiding overtightening and ensuring proper support to prevent leaks.
Electrical Wiring: The document provides guidelines for electrical wiring, including choosing the correct power cable and ensuring proper grounding. It also includes specifications for terminal blocks and communication connectors.
Specifications and Safety Precautions
Ensure the power cable is secured to prevent contact with hot surfaces, which could cause melting and electrical shorts. The unit should not be operated with an empty water circuit; always fill the water tank and confirm the water level. Avoid performing voltage or insulation resistance tests without consulting a dealer, as these can damage the control board or inverter. Proper grounding is essential, with a ground wire diameter of at least 2 mm². The source voltage should be within ±10% of the specified voltage, and phase unbalance should be within ±3%.
Remote Control Operation
Specifications for remote operation include no-voltage contacts input with a maximum cable length of 20 m and input resistance of 1200 Ω. Signal output specifications include no-voltage relay contact output with specific voltage and current ratings.
Installation and Ducting
When installing ducting, ensure at least 50 cm of space above the product for maintenance. Support hardware should be installed to prevent tipping. Duct cross-sectional area and length should be considered to ensure proper ventilation and prevent overheating.
Water Quality and Cooling Standards
Water for the condenser can be ground, municipal, or cooling-tower water, meeting specific quality standards to prevent corrosion or scaling. The use of ethylene glycol solutions for freeze prevention is recommended, with specific concentration guidelines. Regular inspection and maintenance of water circuits and filters are advised.
Operating Conditions and Maintenance
Operate the unit within specified temperature ranges to avoid breakdowns. Frequent starting and stopping should be avoided, with at least 5 minutes between operations. Monthly inspections of water circuits and cleaning of filters are recommended to maintain performance.
Working Principles and Model Selection
The unit operates by circulating liquid through a heat exchanger to maintain a set temperature. Model selection should consider cooling capacity requirements and external heat sources. Calculations for cooling capacity are provided for different scenarios.
Service and Safety
Installation and wiring should be performed by qualified personnel. Equipment should be used only for its intended purpose to prevent accidents or breakdowns. ORION provides a network of sales and service support, with a warranty period of 2 years for the refrigerant circuit.
Refrigerant Management and Environmental Impact
There is a significant concern regarding the accidental release of HFC refrigerants into the atmosphere, contributing to global warming. Compliance with laws and regulations is essential when handling HFCs to ensure safety and environmental protection.
Global Warming Potential (GWP) of Refrigerants- R134a: GWP 1430
- R404A: GWP 3920
- R407C: GWP 1770
- R410A: GWP 2090
- R32: GWP 675
For specific product refrigerant details, refer to the product's specification page.
Maintenance Recommendations- Air-Cooled Models: Regular cleaning of the condenser is necessary to prevent dust or dirt accumulation, which can reduce heat exchange efficiency and increase electricity consumption.
- Water-Cooled Models: Ensure water quality to prevent scaling in cooling pipes, which can decrease heat exchange efficiency and performance.
- Regular inspections and maintenance are recommended to maintain optimal equipment performance. Service and inspection fees apply.
- For equipment repair information, consult your dealer. Post-warranty repair charges are the customer's responsibility.
- ORION maintains a stock of replacement parts for 7 years after production ceases.
Commitment to Sustainability
ORION Machinery supports the Sustainable Development Goals (SDGs).