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Screw Chiller
Technical Systems (TSI) Series 30A1S package air cooled chiller units have been specifically designed for commercial, industrial duty applications to provide a simple solution to your unique design. Series 30A1S chillers offer high efficiency, industrial grade compressors combined with integrated safety controls and infinite unloading compressor capability for optimum system performance. We offer factory run (functional) test for all chillers prior to shipment as a standard option every day.
Whether you need efficient air cooled chiller for variety of applications, an integrated unit controller to communicate to BMS or a green refrigerant unit, our combined capability of specific application engineering and expertise in manufacturing custom equipment will provide limitless solutions for your needs.
Standard Featuress
Copeland Screw Compressor - Compressor service valves
- Neoprene vibration isolation for compressor
- Industrial duty 1140 rpm ODP motors with inherent electrical protection
- Internal fan motor protection
- Aluminum blades and thermoplastic blades depending on the model size
- Seamless 1/2” copper tubes expanded into and permanently bonded with aluminum fins that have no more than 14 FPI
Separate sub-cooling coil Condenser coil - Baffled condenser plenum
Direct expansion shell and tube Cabinets - Liquid line drier and sight glass
- Liquid line solenoid
- Thermostatic expansion valve
Hot gas bypass - NEMA 3R weather proof electrical panel
Control Circuit Transformer - Fan fusing
- Compressor fusing
- Fan motor contactors
Microprocessor controller - Fused control circuit
- Flow switch for field installation
Fan cycling control down to +20˚F - Easy access and service via removable panels
Pump down /run switch - Easy access and service via removable panels
- ETL certified unit
- Fully assembled unit
- Initial refrigerant charge
- Functional test at the factory before shipment
List of Available Options
Protective grills Totally enclosed fan motor Fan circuit breaker Coated coils Disconnect switch Receivers Liquid line trim Three-valve bypass Refrigeration specialties Gauges Fan cycling Flood control B-20 Alarm circuit with horn Unit circuit breaker High altitude fan assembly Electrical door interlock Convenience outlet Phase failure / Under voltage protection Low ambient lockout Part winding start Elapsed time meters Paint Acoustic options Hydronic accessories
40 ton to 350 ton capacity depending on the conditions of service
Unique Capabilities
Free cooling economizer - Left hand and right hand control panel locations
- Piping connections to location of choice
- Custom paint colors
- Circuit breakers in lieu of fuses
- Oversized condensers for high ambient situations
- Stainless steel cabinet construction
- VFD condenser fan application
- PLC controls
- Centrifugal fan – indoor application, sound critical application
- Sound attenuation package (850 rpm motor, centrifugal fan, sound blanket for compressor)
- Integral pump packages
- Integral storage tanks
- Integral glycol feed station
- Special applications – medical research, data processing, hazardous duty, plastic production, pharmaceutical, chemical processing and pulp & paper industries
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