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SpectraCool Indoor Stainless Steel Model, G28 4000 BTU 115V

  • Attractive industrial design with minimal use of visible fasteners
  • Energy-efficient rotary compressor on most models
  • Cleanable, reusable aluminum mesh filter included to protect coils for maximum cooling performance in dirty environments
  • R407c and R134a refrigerants
  • 115, 230 and 400/460 VAC 3-phase power input on most models
  • Reliable mechanical thermostat on enclosure side of the unit
  • All G-series come standard with two separate thermostats for cooling and heating when a heater is equipped
  • Dust-resistant condenser coil allows the unit to be run filterless in most indoor applications
  • Dual condenser-side air movers for performance redundancy on G52 and G57 models
  • Galvanized or stainless steel 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 Indoor Air Conditioner models also include: Active condensate management with heater strip, power-off relay for door switch and other system requirements, malfunction switch, and a digital display on ambient side
  • Standard Outdoor Air Conditioner models also include: Telcordia GR-487 capable*, Corrosion-resistant coatings on condenser coil for Type 4 units and on condenser coil and ambient-side copper joints for 4X units, malfunction switch, compressor heater, head pressure control, standard G28/G52 units have 2000W, and operating temperature range from -40 F/-40 C to 131 F/55 C
  • 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 #:

G280416G051

SpectraCool Indoor/Outdoor

PRODUCT ATTRIBUTES

  • Height: 28.59 in / 726.186 mm
  • Width: 17.01 in / 432.054 mm
  • Depth: 11.18 in / 283.972 mm
  • Nominal Capacity Btu/h: 4900 Btu/h
  • Nominal Capacity Watts: 1172 W
  • Nominal Voltage: 115 V
  • Max Current: 11.4 A
  • Operating Temperature: 50 – 131 °F / 10 – 55 °C
  • Protection Rating: NEMA Type 4X; NEMA Type 3R
  • Remote Access Control: No
  • Material: Stainless Steel 304
  • Finish: Brushed #3
  • Color: Unpainted
  • Thickness: 20 ga / 1 mm
  • Weight: 85 lb

ADDITIONAL PRODUCT DETAILS

SpectraCool Air Conditioners are available in three sizes that offer a broad range of cooling capacities and configurations. These units deliver reliable enclosure cooling in demanding environments that features reliable design, clean appearance, easy installation, and a filterless design.

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.

*Partial Recess Mount units are not eligible for Type 4 or 4X ratings. Also not eligible for Telcordia GR-487 certification.

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

BULLETIN NUMBER

MCLG

Industry Standards

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

Resellers in your area

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Hoffman On Demand Alternatives

HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G57 Models 20000 BTU/Hr (5861 Watt); G572026G050; G572046G050; G572026G051; G572046G051; G572026G060; G572046G060; G572026G100; G572046G100; G572026G101; G572046G101; G572026
SpectraCool Indoor/Outdoor G57 AC, 4000BTU 460V, Lt Gray, Steel
Catalog #: G572046G050
  • Height: 57.69 in / 1465.326 mm
  • Width: 20.87 in / 530.098 mm
  • Depth: 15.28 in / 388.112 mm
    • Nominal Capacity Btu/h: 20000 Btu/h
    • Nominal Capacity Watts: 5861 W
    • Nominal Voltage: 460 V
    • Number of Phases: 3
    • Max Current: 6.8 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G52 Models 8000/12000 BTU/Hr (2300/3500 Watt); G520816G050; G520826G050; G520846G050; G521216G050; G521226G050; G521246G050; G520816G051; G520826G051; G520846G051; G521216G05
SpectraCool Indoor/Outdoor G52 AC, 12000BTU 460V, Lt Gray, Steel
Catalog #: G521246G050
  • Height: 52.69 in / 1338.326 mm
  • Width: 17.12 in / 434.848 mm
  • Depth: 11.66 in / 296.164 mm
    • Nominal Capacity Btu/h: 12000 Btu/h
    • Nominal Capacity Watts: 3500 W
    • Nominal Voltage: 460 V
    • Number of Phases: 3
    • Max Current: 3.5 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G52 Models 8000/12000 BTU/Hr (2300/3500 Watt); G520816G050; G520826G050; G520846G050; G521216G050; G521226G050; G521246G050; G520816G051; G520826G051; G520846G051; G521216G05
SpectraCool Indoor/Outdoor G52 AC, 12000BTU 230V, Lt Gray, Steel
Catalog #: G521226G050
  • Height: 52.69 in / 1338.326 mm
  • Width: 17.12 in / 434.848 mm
  • Depth: 11.66 in / 296.164 mm
    • Nominal Capacity Btu/h: 12000 Btu/h
    • Nominal Capacity Watts: 3500 W
    • Nominal Voltage: 230 V
    • Max Current: 10.9 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G52 Models 8000/12000 BTU/Hr (2300/3500 Watt); G520816G050; G520826G050; G520846G050; G521216G050; G521226G050; G521246G050; G520816G051; G520826G051; G520846G051; G521216G05
SpectraCool Indoor/Outdoor G52 AC, 12000BTU 115V, Lt Gray, Steel
Catalog #: G521216G050
  • Height: 52.69 in / 1338.326 mm
  • Width: 17.12 in / 434.848 mm
  • Depth: 11.66 in / 296.164 mm
    • Nominal Capacity Btu/h: 12000 Btu/h
    • Nominal Capacity Watts: 3500 W
    • Nominal Voltage: 115 V
    • Max Current: 21 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G52 Models 8000/12000 BTU/Hr (2300/3500 Watt); G520816G050; G520826G050; G520846G050; G521216G050; G521226G050; G521246G050; G520816G051; G520826G051; G520846G051; G521216G05
SpectraCool Indoor/Outdoor G52 AC, 8000BTU 460V, Lt Gray, Steel
Catalog #: G520846G050
  • Height: 52.69 in / 1338.326 mm
  • Width: 17.12 in / 434.848 mm
  • Depth: 11.66 in / 296.164 mm
    • Nominal Capacity Btu/h: 8000 Btu/h
    • Nominal Capacity Watts: 2300 W
    • Nominal Voltage: 460 V
    • Number of Phases: 3
    • Max Current: 3.2 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G52 Models 8000/12000 BTU/Hr (2300/3500 Watt); G520816G050; G520826G050; G520846G050; G521216G050; G521226G050; G521246G050; G520816G051; G520826G051; G520846G051; G521216G05
SpectraCool Indoor/Outdoor G52 AC, 8000BTU 230V, Lt Gray, Steel
Catalog #: G520826G050
  • Height: 52.69 in / 1338.326 mm
  • Width: 17.12 in / 434.848 mm
  • Depth: 11.66 in / 296.164 mm
    • Nominal Capacity Btu/h: 8000 Btu/h
    • Nominal Capacity Watts: 2300 W
    • Nominal Voltage: 230 V
    • Max Current: 7 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G52 Models 8000/12000 BTU/Hr (2300/3500 Watt); G520816G050; G520826G050; G520846G050; G521216G050; G521226G050; G521246G050; G520816G051; G520826G051; G520846G051; G521216G05
SpectraCool Indoor/Outdoor G52 AC, 8000BTU 115V, Lt Gray, Steel
Catalog #: G520816G050
  • Height: 52.69 in / 1338.326 mm
  • Width: 17.12 in / 434.848 mm
  • Depth: 11.66 in / 296.164 mm
    • Nominal Capacity Btu/h: 8000 Btu/h
    • Nominal Capacity Watts: 2300 W
    • Nominal Voltage: 115 V
    • Max Current: 11.4 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G28 Models 4000/6000 BTU/Hr (1172/1758 Watt); G280416G050; G280426G050; G280446G050; G280616G050; G280626G050; G280646G050; G280416G051; G280426G051; G280446G051; G280616G051
SpectraCool Indoor/Outdoor G28 AC, 6000BTU 460V, Lt Gray, Steel
Catalog #: G280646G050
  • Height: 28.59 in / 726.186 mm
  • Width: 17.01 in / 432.054 mm
  • Depth: 10.18 in / 258.572 mm
    • Nominal Capacity Btu/h: 6000 Btu/h
    • Nominal Capacity Watts: 1757 W
    • Nominal Voltage: 460 V
    • Number of Phases: 3
    • Max Current: 1.9 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G28 Models 4000/6000 BTU/Hr (1172/1758 Watt); G280416G050; G280426G050; G280446G050; G280616G050; G280626G050; G280646G050; G280416G051; G280426G051; G280446G051; G280616G051
SpectraCool Indoor/Outdoor G28 AC, 6000BTU 230V, Lt Gray, Steel
Catalog #: G280626G050
  • Height: 28.59 in / 726.186 mm
  • Width: 17.01 in / 432.054 mm
  • Depth: 10.18 in / 258.572 mm
    • Nominal Capacity Btu/h: 6400 Btu/h
    • Nominal Capacity Watts: 1874 W
    • Nominal Voltage: 230 V
    • Max Current: 5.8 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G28 Models 4000/6000 BTU/Hr (1172/1758 Watt); G280416G050; G280426G050; G280446G050; G280616G050; G280626G050; G280646G050; G280416G051; G280426G051; G280446G051; G280616G051
SpectraCool Indoor/Outdoor G28 AC, 6000BTU 115V, Lt Gray, Steel
Catalog #: G280616G050
  • Height: 28.59 in / 726.186 mm
  • Width: 17.01 in / 432.054 mm
  • Depth: 10.18 in / 258.572 mm
    • Nominal Capacity Btu/h: 6400 Btu/h
    • Nominal Capacity Watts: 1874 W
    • Nominal Voltage: 115 V
    • Max Current: 11.4 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G28 Models 4000/6000 BTU/Hr (1172/1758 Watt); G280416G050; G280426G050; G280446G050; G280616G050; G280626G050; G280646G050; G280416G051; G280426G051; G280446G051; G280616G051
SpectraCool Indoor/Outdoor G28 AC, 4000BTU 460V, Lt Gray, Steel
Catalog #: G280446G050
  • Height: 28.59 in / 726.186 mm
  • Width: 17.01 in / 432.054 mm
  • Depth: 10.18 in / 258.572 mm
    • Nominal Capacity Btu/h: 4900 Btu/h
    • Nominal Capacity Watts: 1435 W
    • Nominal Voltage: 460 V
    • Number of Phases: 3
    • Max Current: 1.9 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G28 Models 4000/6000 BTU/Hr (1172/1758 Watt); G280416G050; G280426G050; G280446G050; G280616G050; G280626G050; G280646G050; G280416G051; G280426G051; G280446G051; G280616G051
SpectraCool Indoor/Outdoor G28 AC, 4000BTU 230V, Lt Gray, Steel
Catalog #: G280426G050
  • Height: 28.59 in / 726.186 mm
  • Width: 17.01 in / 432.054 mm
  • Depth: 10.18 in / 258.572 mm
    • Nominal Capacity Btu/h: 4900 Btu/h
    • Nominal Capacity Watts: 1435 W
    • Nominal Voltage: 230 V
    • Max Current: 5.8 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel
HOFFMAN on Demand
SPECTRACOOL INDOOR/OUTDOOR; COOLING; SEALED ENCLOSURE COOLING; AIR CONDITIONERS; G28 Models 4000/6000 BTU/Hr (1172/1758 Watt); G280416G050; G280426G050; G280446G050; G280616G050; G280626G050; G280646G050; G280416G051; G280426G051; G280446G051; G280616G051
SpectraCool Indoor/Outdoor G28 AC, 4000BTU 115V, Lt Gray, Steel
Catalog #: G280416G050
  • Height: 28.59 in / 726.186 mm
  • Width: 17.01 in / 432.054 mm
  • Depth: 11.18 in / 283.972 mm
    • Nominal Capacity Btu/h: 4900 Btu/h
    • Nominal Capacity Watts: 1172 W
    • Nominal Voltage: 115 V
    • Max Current: 11.4 A
    • Operating Temperature: 50 – 131 °F / 10 – 55 °C
    • Protection Rating: NEMA Type 4; NEMA Type 3R
    • Remote Access Control: No
    • Product Family: SpectraCool
    • Material: Mild Steel

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