Authorized nVent Distributor
nVent G280426G051 - SpectraCool Indoor G28, 4000BTU 230V, Brushed, SS304

nVent G280426G051 SpectraCool Indoor G28, 4000BTU 230V, Brushed, SS304

UPC: 783510209360


Documents & Media
Installation Instructions

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The nVent SpectraCool G28 Indoor Air Conditioner (SKU: G280426G051) provides 4000 BTU of cooling for industrial enclosures. Operating on 230V at 50/60Hz, it delivers reliable thermal management in demanding environments. Constructed from 304 stainless steel, the unit resists corrosion and withstands harsh conditions, making it suitable for cleanrooms, laboratories, and industrial control rooms. Its filterless design eliminates maintenance-intensive components, reducing downtime and operational costs in dusty or particulate-rich environments. The compact unit offers wall-mount or floor-standing installation options for flexible placement. With a factory thermostat setting of 80°F/27°C and a weight of 84 lb (38 kg), it is designed for medium-sized enclosures. Typical applications include cooling PLC enclosures, server racks, electrical panels, and control cabinets in manufacturing, telecommunications, data centers, and process control facilities.
  • Attractive industrial design with minimal use of visible fasteners
  • Advanced Corrosion Protection Level 1 (ACP L1) Protection Includes: Protective coatings only applied to copper tubing and coils on the condenser (exterior facing) side as well as thermostat coatings
  • Energy-efficient rotary compressor on most models
  • Advanced Corrosion Protection Level 2 (ACP L2) Protection Includes: Everything that was coated in ACP L1, plus protective coatings applied to the evaporator (interior facing ) side and an additional wrap around the thermostat
  • Cleanable, reusable aluminum mesh filter included to protect coils for maximum cooling performance in dirty environments
  • 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
  • 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 indoor applications
  • Dual condenser-side air movers for performance redundancy on G52 and G57 models

Specifications

Ambient Temperature
40 Deg C
Ambient Temperature
50-131 °F
Amperage Rating
4.6;5.8 A;A
Amperage Rating
4.6/5.8 A
Application
Controls and Drives; Power Distribution; Corrosive Environments
Application
Controls and Drives;Corrosive Environments;Power Distribution
Btu Rating
4,600
Color
Unpainted
Corrosion Resistant
No
Depth
259 mm
Depth
10.18 in
Finish
Brushed #3
Frequency Rating
50/60 Hz
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
50 Hz
Height
726 mm
Height
28.59 in
Material
Stainless Steel 304
Max Current
5.8 A
Mounting
Side wall
NEMA Rating
4X Watertight, corrosion-resistant
Nominal Capacity Btu/h
4,900 Btu/h
Nominal Capacity Watts
1,435 W
Nominal Voltage
230 V
Number Of Phases
1
Operating Temperature
10-55
Operating Temperature
50-131 °F
Operating Temperature
10-55 °C
Outdoor Installation
No
Phase
1
Phase
1 Ph
Product Family
SpectraCool
Protection Rating
NEMA Type 4X
Refrigerant
R407C
Remote Access Control
No
Thickness
20 ga
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
200-250 V
Voltage Rating
230 V
Weight
95 lb
Weight
38 kg
Width
17.01 in
Width
432 mm
Package Dimensions (L x W x H)
21 IN x 14 IN x 33 IN
Package Dimensions (L x W x H)
53.34 cm x 35.56 cm x 83.82 cm
Package Weight (Imperial)
95.000 L
Package Weight (Metric)
43.092 kg
SpectraCool Indoor G28, 6000BTU 230V, Brushed, SS304

G280626G051

SpectraCool Indoor G28, 6000BTU 230V, Brushed, SS304
DTS 3081 115V Type 4/4X 304 SS

13382344300

DTS 3081 115V Type 4/4X 304 SS
AC Unit 2,500 BTU/H 115 V - NEMA 4x - 304 SS

DTS3081A115N4SS

AC Unit 2,500 BTU/H 115 V - NEMA 4x - 304 SS
InRow RC 300mm Chilled Water

ACRC301S

InRow RC 300mm Chilled Water
SpectraCool Advanced Corrosion Protection Lvl 1, 20000BTU 230V, Brushed, SS316

G572026G102

SpectraCool Advanced Corrosion Protection Lvl 1, 20000BTU 230V, Brushed, SS316
SpectraCool Advanced Corrosion Protection Lvl 1, 12000BTU 230V, Brushed, SS316

G521226G102

SpectraCool Advanced Corrosion Protection Lvl 1, 12000BTU 230V, Brushed, SS316
SpectraCool Outdoor Partial Recess Mount G52, 8000BTU 460V, Lt Gray, Steel

G520846G101

SpectraCool Outdoor Partial Recess Mount G52, 8000BTU 460V, Lt Gray, Steel
SpectraCool Outdoor Partial Recess Mount G57, 20000BTU 230V, Lt Gray, Steel

G572026G101

SpectraCool Outdoor Partial Recess Mount G57, 20000BTU 230V, Lt Gray, Steel

How to Install the G28 Air Conditioner

This guide provides step-by-step instructions for installing and configuring the G28 Air Conditioner, ensuring proper functionality and safety.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, Mounting gasket

  1. Inspect the air conditioner

    Check for any visible damage and ensure the air conditioner is in an upright position for at least five minutes before installation.

  2. Install the mounting gasket

    Apply the mounting gasket provided with the unit to the air conditioner to ensure a watertight seal.

  3. Mount the air conditioner

    Securely mount the air conditioner to the enclosure, ensuring not to damage the gasket. Start bolts by hand to avoid cross-threading.

  4. Wire the air conditioner

    Refer to the nameplate for electrical requirements and connect the unit to a properly grounded power supply. Ensure the phase monitor light is illuminated.

  5. Connect the thermostat

    If required, wire the remote thermostat outputs to the appropriate terminals on the 24 VAC terminal strip according to the wiring diagram.

  6. Set the thermostat

    Adjust the thermostat to the desired cabinet temperature, following the Sequence of Operation for proper settings.

  7. Test the air conditioner

    Power on the unit and verify that the evaporator blower starts running. Allow it to operate for 5-10 minutes to ensure proper functionality.

Frequently Asked Questions about nVent

What industries and applications are nVent products used for?

nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.

What environmental ratings do nVent products have?

nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.

What accessories are available for nVent products?

nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.

What certifications and standards do nVent products comply with?

nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.

What is nVent's warranty policy?

nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.

What technical support does nVent offer?

nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.