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SpectraCool Advanced Corrosion Protection Lvl 1, 20000BTU 230V, Brushed, SS316

  • Level 1 Protection Includes: Protective coatings only applied to copper tubing and coils on the condenser (exterior facing) side as well as thermostat coatings.
  • Level 2 Protection Include: Everything that was coated in Level 1, plus protective coatings applied to the evaporator (interior facing ) side and an additional wrap around the thermostat.
  • Attractive industrial design with minimal use of visible fasteners
  • Cleanable, reusable aluminum mesh filter protects coils for maximum cooling performance
  • R407c and R134a refrigerants
  • 115, 230 and 400/460 VAC 3-phase power input on most models
  • Operating temperature range from -40 F/-40 C to 131 F/55 C
  • Dust-resistant condenser coil allows the unit to be run filterless in most applications
  • Dual condenser-side air movers for performance redundancy on G52 and G57 models
  • Energy-efficient rotary compressor on most models
  • Galvanized sheet-metal cover for rugged factory and outdoor environments
  • Exterior and partially recessed mounting options
  • Easy-mount flanges for simple installation
  • Every unit functionally tested before shipping
  • Standard models include: active condensate management with heater strip, power-off relay for door switch and other system requirements, malfunction switch, compressor heater and head pressure control
  • Remote Access Control Units support up to 2 temperature sensors and 10 alarms. They support multiple communication protocols: SNMP, Modbus TCP, Ethernet/IP, and Profinet.
  • Mounting hardware, gaskets and user manual furnished with the unit
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Catalog #:


SpectraCool with Advanced Corrosion Protection


  • Height: 57.69 in / 1465 mm
  • Width: 20.87 in / 530 mm
  • Depth: 15.28 in / 388 mm
  • Nominal Capacity Btu/h: 20000 Btu/h
  • Nominal Capacity Watts: 5861 W
  • Nominal Voltage: 230 V
  • Number of Phases: 1
  • Max Current: 22.2 A
  • Operating Temperature: −40 to 131 °F / −40 to 55 °C
  • Protection Rating: NEMA Type 4X; NEMA Type 3R
  • Remote Access Control: No
  • Material: Stainless Steel 316L
  • Finish: Brushed #4
  • Color: Unpainted
  • Thickness: 18 ga / 1.21 mm
  • Weight: 216 lb


SpectraCool with Advanced Corrosion Protection Solutions provide industry leading corrosion protection to components critical to the performance of the air conditioner. For applications where air conditioners are exposed to harsh, corrosive, chemical elements. Hoffman utilizes advanced coatings to protect the critical components, extending their life and optimizing the extended performance level of the product.

Select units come with Remote Access Control (RAC), an integrated, parametric controller designed to work seamlessly with our enclosure air conditioner units for the purpose of remotely monitoring and managing anywhere from a single unit to an entire network of Spectra cool air conditioners from virtually anywhere in the world with a secure internet connection. Ensure that your systems are always running at optimal temperature levels, increase productivity and improve overall system reliability.

Cutout Adapter options for enclosures with older nVent HOFFMAN or Competitive units for easy transitions to new air conditioners



Industry Standards

UL/cUL Listed; Type 12, 3R, 4; 4X optional; File No. SA6453
IP 56 Internal Loop
IP 34 on External Loop
Telcordia GR-487 capable (Outdoor)

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