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HIGH CAPACITY RANGE
High Capacity Industrial Water Chiller
Multi-compressor process cooling for continuous industrial loads · 120kW-500kW · Water-cooled or air-cooled
320 kW Reference capacity at 25°C
3 × 107 kW Compressor configuration
0.66 Single-module capacity share
7–15°C Typical process range
This high capacity industrial water chiller is specified for continuous process cooling loads above the range served by single-compressor units. The reference configuration uses three independent refrigeration modules on a common frame, each with its own scroll compressor, evaporator section, and controls, delivering 320kW at 25°C water temperature.
The multi-module arrangement serves two purposes. First, capacity is staged: at partial load, one or two modules run while the others remain off, which avoids the efficiency loss associated with a single large compressor operating far below its design point. Second, the arrangement provides maintenance capability: one module can be isolated and serviced while the remaining modules continue to carry the plant load, subject to load confirmation.
Capacity Staging and Configuration
Operating modules Capacity delivered Module share Application context
1 of 3 107 kW 33% Night load, single process line running
2 of 3 214 kW 67% Partial production, reduced cooling demand
3 of 3 320 kW 100% Full production, design condition
2 of 3, one isolated 214 kW 67% Service condition, load must be confirmed against 67%
Commercial and Technical Advantages
Staged capacity for varying load Modules start and stop in sequence to match plant load. Each operating compressor runs near its design point rather than a single large compressor operating at low load, which is where fixed-capacity large chillers lose efficiency.
Module isolation for service Each module has its own suction and liquid line isolation valves and service ports. One module can be evacuated and serviced while the remaining modules continue cooling. The plant load must be confirmed against the reduced capacity before scheduling.
Documented part-load performance Capacity and power figures supplied for 25%, 50%, 75%, and 100% load at the specified water temperature. Part-load data is measured rather than calculated from full-load figures, supporting energy calculations for the plant.
Air-cooled or water-cooled condenser Air-cooled configuration removes the need for cooling tower and condenser water circuit. Water-cooled configuration is specified where plant room space is limited or where ambient conditions make air cooling impractical. Selection affects footprint and condenser water requirements.
Hydraulic module available Optional integrated primary pump, buffer tank, and strainer on the common frame. Where the plant includes its own primary pumps, the chiller can be supplied without the hydraulic module and connected to the existing circuit.
Single plant interface One controller coordinates all modules, with per-module status and alarm registers available via Modbus RTU or optional BACnet. The plant sees one cooling unit rather than three separate machines to be sequenced externally.
Technical Parameters, Reference 320 kW Configuration
Cooling performance
Capacity at 25°C water320 kW
Capacity at 15°C water268 kW
Capacity at 7°C water218 kW
Part-load data25 / 50 / 75 / 100%
Setpoint range5°C to 20°C
RefrigerantR513A, 3 × 18 kg
Hydraulic
Pump configurationIntegrated primary, optional
Flow rate1100 L/min at 0.45 MPa
Buffer tank800 L, optional
ConnectionsDN100 flange
Evaporator typeBrazed plate, 3 sections
FiltrationY-strainer, 20 mesh
Electrical and physical
Power supply400V AC, 3-phase, 50Hz
Rated current per phase198 A
Sound pressure at 3 m72 dB(A)
Dimensions (L×W×H)3200 × 1400 × 1900 mm
Net weight, dry1850 kg
InstallationIndoor plant room
Deployment Contexts
01 Continuous process plants Chemical, pharmaceutical, and food processing plants where cooling is required continuously and where a single chiller failure would stop production. Module staging provides capacity flexibility and service capability without full shutdown.
02 Plastics and extrusion lines Multi-line extrusion and injection facilities where total cooling load varies with the number of lines running, and where staged capacity avoids running a single large chiller at low load overnight.
03 Central plant replacement Facilities replacing an ageing central chiller where the existing hydraulic circuit and distribution remain, and where the new chiller must match the existing flow and temperature conditions.
04 Data center and facility cooling Facility-level cooling where the chiller supports air handling or equipment cooling across a building, and where part-load efficiency dominates annual energy consumption.
Selection and Installation Notes
Load profile required Select on the load profile, not only on peak capacity. A staged configuration delivers its efficiency benefit where the plant runs below design load for much of the year. Provide the annual load profile for an estimate of part-load performance against alternatives.
Condenser selection Air-cooled units require significant outdoor space and are affected by ambient temperature. Water-cooled units require a cooling tower and condenser water circuit, with corresponding plant room space and water treatment. Confirm which is appropriate for the facility before selection.
Hydraulic interface Where an existing primary circuit is retained, confirm flow rate, available head, and pressure drop against the new chiller's requirements. Where the hydraulic module is specified, confirm the equipment-side pressure drop against the integrated pump curve.
Structural and access At 1850 kg dry, the unit requires a structural slab and suitable lifting equipment for delivery. Confirm plant room access route including door widths and turning space before delivery. Rigging plan required for installation.
Electrical supply 198 A per phase at 400V requires a dedicated supply and protection sized accordingly. Where the supply is shared with other plant, verify available capacity and account for module staging inrush as modules start in sequence rather than simultaneously.
Maintenance planning Module isolation allows staggered servicing across the year rather than a single annual shutdown. Strainer cleaning quarterly. Condenser cleaning quarterly for air-cooled, annually for water-cooled with water treatment. Refrigerant and pressure verification per module annually.
Procurement FAQ
The platform covers 120 kW to 500 kW at 25°C water temperature using two, three, or four modules. The 320 kW reference configuration is the mid-range arrangement. Capacity varies with water temperature; provide the operating temperature for the applicable figure.
Isolating one module of three leaves 67% of nominal capacity. Whether this is sufficient depends on the plant load at the time of service. Where the plant cannot operate below full capacity, service should be scheduled during a planned shutdown or the configuration should be specified with additional capacity margin. Confirm the available margin at selection stage.
Yes. Capacity and power figures are supplied at 25%, 50%, 75%, and 100% load at the specified water temperature, measured rather than calculated from full-load figures. These support energy calculations against the plant load profile and comparison with alternative configurations.
Yes. The hydraulic module is optional. Where the facility has existing primary pumps and buffer volume, the chiller is supplied as a cooling-only unit with evaporator connections for the existing circuit. Confirm the existing flow rate and pressure drop against the chiller's requirements.
Dimensional drawing including maintenance access clearances, wiring diagram, capacity table against water temperature, part-load performance data, pump curve where hydraulic module is specified, refrigerant data sheet per module, Modbus register map with per-module status, factory test record per module, and declaration of conformity under LVD and EMC directives.
Standard warranty is 24 months from commissioning or 30 months from shipment. Compressor coverage extends to 60 months per module. Service parts including compressors, controllers, expansion valves, and pressure switches are held for a minimum of 10 years. Module-level parts are stocked individually to suit staggered servicing.
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ecoProfessional Customization
Tailor-made solutions — from design to manufacturing, for your specific needs
CUSTOM ISO 9001 · CE Certified
Shanghai Soouney Refrigeration Equipment Co., Ltd.
A large-to-medium-sized high-tech enterprise integrating R&D, production and sales. Upholding "integrity, quality, service and innovation" — delivering reliable cooling solutions to the world.
11+
Export Countries
200+
Projects Delivered
19+
Years of Innovation
100%
Client Satisfaction
2007
Engineering Excellence in Refrigeration
Shanghai Soouney was founded with a vision to become a leading force in the refrigeration industry. We are China High Capacity Industrial Water Chiller Manufacturers and Custom High Capacity Industrial Water Chiller Suppliers. Today, we are a renowned brand in cabinet air conditioners and industrial chillers, recognised by professionals worldwide.
Rooted in the Chinese market, we provide reliable refrigeration solutions to clients across the globe — from standard products to professional customisation.
From standard products to professional customization — we deliver precision cooling.
R&D Driven
High starting points, stringent standards — continuous innovation
Integrity & Trust
Long-term partnerships built on transparency and after-sales support
Certified Quality
ISO 9001, CE, and industry-specific approvals across all lines
Global Mindset
Serving 40+ countries with tailored refrigeration solutions
"We don't just cool equipment — we build trust, one project at a time."
Why Soouney
Driven by Quality & Innovation
Committed to delivering excellence through continuous improvement and customer-centric solutions.
R&D Focus
High starting points, stringent standards — continuous product improvement
Integrity & Service
Long-term partnerships built on trust, transparency and after-sales support
Global Presence
Rooted in China, serving worldwide with reliable refrigeration solutions
Certified Quality
ISO 9001, CE, and industry-specific approvals for all product lines
