Series 20 Condensing Units

Series 20 Condensing Units

Product Overview

Technical Systems’ Series 20 air cooled condensing units have been specifically designed for commercial and industrial-duty applications and to meet your needs. The Series 20 condensing units are available with a variety of options, including integrated digital controllers with single point power connection or unit dimensions designed to fit the existing space requirements. The Series 20 units are rated with “green” refrigerant R-410a. Each Series 20 condensing unit is designed to meet the demands of single to multiple load applications required for commercial and industrial HVAC. Our ability to specifically engineer equipment for a wide range of applications combined with our expertise in manufacturing custom equipment means Technical Systems can provide limitless solutions for your needs.

Product Literature

Product Details


    • Copeland compressor (scroll, reciprocating)
    • Compressor isolation utilizing rubber in shear isolation
    • Crankcase heater
    • Compressor internal protection
    • Compressor service valves
    • Vibration isolation under scroll compressor
    • Industrial duty 1140 rpm ODP motors with inherent electrical protection
    • Steel or aluminum fan blades, depending on model size
    • Seamless 1/2” copper tubes expanded into and permanently bonded with aluminum fins that have no more than 14 FPI
    • Dedicated sub-cooling circuit on every unit
    • Condenser coils in galvanized steel frames
    • Cabinets constructed of heavy-gauge G-90 galvanized steel panels and formed structural members
    • NEMA 3R weatherproof electrical panels
    • Fan fusing
    • Compressor fusing
    • Fan motor contactors
    • High pressure safety
    • Low pressure operating control
    • Fan cycling (down to 20°F) with mounted fused fan motor contactors
    • Easy access and service via removable panels
    • Fully assembled unit
    • ETL Unit certification

    • Protective grills
    • Corrosion resistant fin and coil combinations: copper fins, acrylic fins, phenolic coated fins, or Electrofin coatings
    • Receiver options, factory mounted and piped or as a separate item (UL/ASME certified)
    • Replaceable core line driers, liquid line solenoids, and moisture indicating sight glasses (shipped loose or factory installed)
    • Three-way valve bypass
    • Refrigeration specialty packages, including suction accumulators, suction/discharge vibrasorbers, and hot gas mufflers
    • High/low pressure liquid filled oil gauges with manual shut off valves (not available on scroll compressor units)
    • Hot gas bypass, factory mounted, wired, and piped (includes hand isolation valve, regulator, and solenoid)
    • B20 flood control with receivers
    • Mounted control circuit transformer
    • Alarm circuit with horn
    • Unit circuit breakers in lieu of fuses
    • High altitude fan assemblies
    • Completely enclosed fan motor for corrosive or hazardous-duty applications
    • Fan and circuit breaker, mounted and wired inside control panel
    • Convenience outlet (15 amp/115 volt/6 FI)
    • Disconnect switch (fused or non-fused for single point connections)
    • Phase failure/under voltage protection
    • Low ambient lockout
    • Guaranteed off timer (GOT) to protect against compressor short cycling
    • Automatic lead lag to sequence compressor starts during every system cycle
    • Elapsed time meters
    • Microprocessor (PLC) controls that interface with common building control systems
    • Painted cabinet (enamel)
    • Acoustic/low-sound packages

    • Higher capacity available; contact factory for details.
    • Screw compressors
    • Evaporative cooled options for 30% less energy consumption
    • Left and right-hand control panel locations
    • Custom enamel colors
    • Circuit breakers in lieu of fuses on compressors and fans
    • Oversized condenser coils for high ambient conditions
    • Stainless steel cabinet construction for corrosive environments
    • Variable frequency drive (VFD) condenser fan application
    • PLC controls available
    • Sound attenuation packages
    • Designed for special applications, including medical research, data processing, hazardous-duty, plastic production, pharmaceutical, chemical processing, and pulp and paper industries
    • Class 1, division 2 explosion-proof rating with ETL listing

    • 5 to 200 tons nominal capacity depending on conditions of service
    • Larger capacity available; contact factory for details
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