nVent G280426G050 - SpectraCool Indoor/Outdoor G28, 4000BTU 230V, Lt Gray, Steel
nVent

G280426G050

UPC: 783510209353


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Installation Instructions

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Overview

The nVent SpectraCool G28 Air Conditioner (SKU: G280426G050) provides 4000 BTU of cooling capacity for industrial enclosures. Operating on a 230V, 50/60 Hz, 1-phase power supply, this unit is constructed from durable light gray mild steel, suitable for both indoor and outdoor applications. It is designed to maintain optimal temperatures for sensitive electronic components, preventing overheating and potential equipment failure. The SpectraCool G28 is part of nVent's comprehensive enclosure cooling solutions, offering reliable thermal management. Key benefits include its filterless design, which significantly reduces maintenance requirements and eliminates recurring filter replacement costs, a critical advantage in dusty or contaminated environments. Typical applications include industrial automation control cabinets, telecommunications equipment enclosures, renewable energy systems (solar and wind inverters), process control instrumentation, and outdoor electrical cabinets. The robust construction and advanced cooling technology aim to extend equipment lifespan and enhance performance. This model is designed for straightforward installation and integration into existing industrial power infrastructure.
  • Attractive industrial design with minimal use of visible fasteners
  • Level 1 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
  • 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
  • Cleanable, reusable aluminum mesh filter included to protect coils for maximum cooling performance in dirty environments
  • R407C, R513A or 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
  • Operating temperature range from -40 F/-40 C to 131 F/55 C

Specifications

Ambient Temperature
40 Deg C
Ambient Temperature
50-131 °F
Amperage Rating
4.6/5.8 A
Application
Controls and Drives;Power Distribution
Application
Power Distribution; Controls and Drives
Btu Rating
4,600
Color
Light Gray
Color
Lt Gray
Color
Gray
Color Code
RAL 7035
Corrosion Resistant
No
Depth
259 mm
Depth
10.18 in
Finish
Powder Coated
Frequency
50/60 Hz
Frequency Rating
50/60 Hz
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
50 Hz
Height
28.59 in
Height
726 mm
Material
Mild Steel
Material
Steel
Max Current
5.8 A
Mounting
Side wall
Mounting Type
Indoor/Outdoor
NEMA Rating
4 Watertight
Nominal Capacity Btu/h
4,900 Btu/h
Nominal Capacity Watts
1,435 W
Nominal Voltage
230 V
Number Of Phases
1
Operating Temperature
50-131
Operating Temperature
10-55
Operating Temperature
10-55 °C
Outdoor Installation
Yes
Phase
1
Phase
1 Ph
Product Family
SpectraCool
Protection Rating
NEMA Type 4
Refrigerant
R407C
Remote Access Control
No
Series
SpectraCool
Size
G28 4000 BTU
Thickness
20 ga
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
200-250 V
Voltage Rating
230 V
Weight
90 lb
Weight
38 kg
Width
17.01 in
Width
432 mm
Package Dimensions (L x W x H)
21 IN x 14 IN x 32.25 IN
Package Dimensions (L x W x H)
53.34 cm x 35.56 cm x 81.915 cm
Package Weight (Imperial)
90.000 L
Package Weight (Metric)
40.824 kg
SpectraCool Indoor/Outdoor G28, 6000BTU 230V, Lt Gray, Steel

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SpectraCool Indoor with RAC G28, 4000BTU 230V, Lt Gray, Steel

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SpectraCool Indoor/Outdoor G28, 4000BTU 115V, Lt Gray, Steel

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SpectraCool Indoor with RAC G28, 4000BTU 115V, Lt Gray, Steel

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SpectraCool Outdoor Without Heat G28, 6000BTU 230V, Lt Gray, Steel

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SpectraCool Outdoor Without Heat G28, 4000BTU 230V, Lt Gray, Steel

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SpectraCool Outdoor with Heat G28, 4000BTU 230V, Lt Gray, Steel

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SpectraCool Outdoor with Heat G28, 6000BTU 230V, Lt Gray, Steel

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SpectraCool Outdoor with Heat G28, 6000BTU 230V, Lt Gray, Steel
SpectraCool Indoor with RAC G52, 8000BTU 230V, Lt Gray, Steel

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How to Install the G28 Air Conditioner

This guide provides step-by-step instructions for the installation and initial setup of 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 the air conditioner for any visible damage and ensure it is functioning properly before installation.

  2. Prepare the mounting area

    Using the provided mounting gasket, attach it to the air conditioner to create a seal. Ensure the area is clean and free from debris.

  3. Mount the air conditioner

    Securely mount the air conditioner to the enclosure using the mounting screws. Avoid dragging the unit to prevent damaging the gasket.

  4. Wire the air conditioner

    Connect the air conditioner to a properly grounded power supply, ensuring the circuit is fused with a slow blow or HACR circuit breaker.

  5. Verify electrical phasing

    Check that the phase monitor light is illuminated after applying power to confirm correct electrical phasing.

  6. Set up the thermostat

    If required, wire the remote mounted thermostat to the appropriate terminals on the 24 VAC terminal strip and set it to the desired temperature.

  7. Test the air conditioner

    Allow the unit to remain upright for at least five minutes before starting. Then, operate the air conditioner to ensure it functions correctly.

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.