nVent G280446G100 - SpectraCool Outdoor Without Heat G28, 4000BTU 460V, Lt Gray, Steel
nVent

G280446G100

UPC: 783510210281


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Installation Instructions

Contact for Pricing

Overview

The nVent SpectraCool Outdoor Without Heat G28 (SKU G280446G100) provides essential thermal management for outdoor electrical enclosures. This unit delivers 4900 BTU/h (1435W) of cooling capacity at 460V, ensuring sensitive equipment operates within optimal temperature ranges. Constructed from durable light gray steel, it is built to withstand outdoor environmental conditions. The SpectraCool G28 series is recognized for its reliable design and ease of installation. Operating on 460V, 3-phase power, it is suitable for heavy industrial applications. A key feature is its filterless design, which significantly reduces maintenance requirements and operational costs by eliminating the need for filter replacements. This enhances reliability and minimizes downtime. The nVent SpectraCool G28 is ideal for protecting critical infrastructure in telecommunications, utilities, and manufacturing sectors where stable internal enclosure temperatures are vital to prevent equipment failure and data loss. Professionals choose nVent SpectraCool for its proven performance in safeguarding valuable assets in demanding environments.
  • 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
-40-131 °F
Amperage Rating
1.3/1.4 A
Application
Controls and Drives;Power Distribution
Application
Power Distribution; Controls and Drives
Btu Rating
4,655
Color
Gray
Color
Light Gray
Color Code
RAL 7035
Corrosion Resistant
No
Depth
10.18 in
Depth
259 mm
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
Steel
Material
Mild Steel
Max Current
1.9 A
Mounting
Side wall
NEMA Rating
4 Watertight
Nominal Capacity Btu/h
4,900 Btu/h
Nominal Capacity Watts
1,435 W
Nominal Voltage
460 V
Number Of Phases
3
Operating Temperature
-40-55 °C
Operating Temperature
-40-131
Operating Temperature
-40-55
Outdoor Installation
Yes
Phase
3 Ph
Phase
3
Product Family
SpectraCool
Protection Rating
NEMA Type 4
Refrigerant
R513A
Remote Access Control
No
Series
SpectraCool Outdoor Without Heat G28
Thickness
20 ga
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
400-460 V
Voltage Rating
460 V
Weight
38 kg
Weight
95 lb
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 Outdoor Without Heat G28, 6000BTU 460V, Lt Gray, Steel

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SpectraCool Outdoor Partial Recess Mount G28, 6000BTU 460V, Lt Gray, Steel

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SpectraCool Advanced Corrosion Protection Lvl 2, 4000BTU 460V, Lt Gray, Steel
SpectraCool Advanced Corrosion Protection Lvl 1 with RAC, 4000BTU 460V, Lt Gray, Steel

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How to Install the G28 Air Conditioner

This guide provides step-by-step instructions for installing the G28 Air Conditioner, including mounting, wiring, and initial setup.

Estimated time: 45m

Tools needed:

Screwdriver, Wrench, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Gasket kit, Terminal connectors

  1. Inspect the air conditioner

    Check the air conditioner for any visible damage and verify its functionality before proceeding with the installation.

  2. Install gaskets

    Using the provided gasket kit, install the gaskets to the air conditioner to ensure a watertight seal.

  3. Mount the air conditioner

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

  4. Allow unit to settle

    Keep the air conditioner in an upright position for at least five minutes before starting it to avoid damage.

  5. Wire the unit

    Refer to the nameplate for electrical requirements and wire the unit to a properly grounded power supply. Ensure the circuit is fused correctly.

  6. 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.

  7. Set the thermostat

    Adjust the thermostat to the desired cabinet temperature, following the operational guidelines provided in the manual.

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.