nVent N280446G360 - SpectraCool Narrow Advanced Corrosion Protection Lvl 1 RAC, 4000BTU 460V, Lt Gray, Steel
nVent

N280446G360

UPC: 783510357443

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Installation Instructions

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Overview

The nVent SpectraCool Narrow Advanced Corrosion Protection Level 1 RAC (SKU: N280446G360) is a high-performance, industrial-grade air conditioning unit engineered for environments where corrosion resistance and reliability are critical. Designed by Hoffman, a trusted brand under the nVent umbrella, this 4000BTU unit operates at 460V and delivers precise thermal management for enclosures and control panels exposed to harsh, corrosive, or chemically aggressive conditions. With its advanced corrosion protection solutions, this SpectraCool Narrow model extends the operational lifespan of critical components, ensuring consistent performance even in the most demanding industrial applications. Industrial air conditioning systems like the SpectraCool Narrow are essential for maintaining optimal operating temperatures in electrical enclosures, control rooms, and data centers where heat buildup can compromise equipment integrity. The Level 1 corrosion protection rating ensures robust defense against moisture, chemicals, and airborne contaminants, making it ideal for industries such as oil and gas, chemical processing, manufacturing, and utilities. Unlike standard air conditioners, this unit is built to withstand prolonged exposure to corrosive elements without degrading, reducing maintenance costs and downtime. Key features of the SpectraCool Narrow Advanced Corrosion Protection RAC include its durable steel construction with a light gray powder-coated finish, providing both structural integrity and aesthetic consistency. The 4000BTU cooling capacity is optimized for mid-sized enclosures, ensuring efficient heat dissipation while maintaining energy efficiency. The 460V three-phase power input is compatible with industrial electrical systems, offering stable performance under variable load conditions. Hoffman’s advanced coating technology protects internal components such as coils, fans, and electrical contacts from corrosion, ensuring long-term reliability. Professionals in industrial facilities, data centers, and process control environments rely on nVent’s SpectraCool Narrow series for its proven durability and performance. Installation is straightforward, with mounting options designed for NEMA-rated enclosures, and the unit’s compact narrow form factor maximizes space efficiency in crowded control rooms. Regular maintenance is simplified due to the corrosion-resistant design, reducing the need for frequent part replacements. Whether deployed in offshore oil platforms, chemical plants, or manufacturing floors, this air conditioner delivers uncompromising thermal management where failure is not an option. nVent, a global leader in electrical and thermal management solutions, brings decades of expertise to the SpectraCool Narrow line. Their commitment to innovation and quality ensures that each unit meets rigorous industry standards for safety, efficiency, and longevity. For facilities where environmental conditions demand the highest level of protection, the SpectraCool Narrow Advanced Corrosion Protection RAC (N280446G360) stands as a trusted solution, combining advanced engineering with Hoffman’s legacy of reliability.
  • 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.
  • Narrow design accommodates 12-inch (300mm) deep cabinets
  • Attractive industrial design with minimal use of visible fasteners
  • Cleanable, reusable aluminum mesh filter protects coils for maximum cooling performance
  • R407C, R513A or R134a refrigerants
  • Models for 115, 230 and 400/460 3-phase VAC power input
  • Outdoor model operating temperature range from -40 F/-40 C to 131 F/55 C (125 F/52 C on N28 Series)
  • Reliable mechanical thermostat on enclosure side of the unit; indoor Air Conditioner models include digital display on ambient side
  • Dust-resistant condenser coil allows the unit to be run filterless in most applications

Specifications

Application
Controls and Drives;Corrosive Environments;Power Distribution
Application
Power Distribution; Corrosive Environments; Controls and Drives
Color
Light Gray
Color
Gray
Color Code
RAL 7035
Depth
356 mm
Depth
14 in
Finish
Powder Coated
Height
28 IN
Height
711 mm
Material
Mild Steel
Max Current
2.5 A
Mechanical Advantage
Galvanized sheet metal standard
NEMA Rating
4X Watertight, corrosion-resistant
Nominal Capacity Btu/h
4,000 Btu/h
Nominal Capacity Watts
1,172 W
Nominal Voltage
460 V
Number Of Phases
1
Operating Temperature
-40-52 °C
Operating Temperature
-40-125
Operating Temperature
-40-52
Product Family
SpectraCool
Protection Rating
NEMA Type 4X
Refrigerant
R513A
Remote Access Control
Yes
Thickness
1.21 mm
Thickness
18 ga
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
400-460 V
Weight
97 lb
Weight
41.7 kg
Width
11.5 in
Width
292 mm
Package Dimensions (L x W x H)
28 IN x 14 IN x 11.5 IN
Package Dimensions (L x W x H)
71.12 cm x 35.56 cm x 29.21 cm
Package Weight (Imperial)
97.000 L
Package Weight (Metric)
43.999 kg
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How to Install the N280426G102 Air Conditioner

This guide provides step-by-step instructions for installing and configuring the N280426G102 air conditioner, ensuring proper setup and functionality.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, Mounting gasket kit

  1. Inspect the air conditioner

    Check for any visible damage and ensure the unit is functioning properly before installation. Do not operate the unit if it has been laid horizontally.

  2. Install mounting gaskets

    Using the mounting gasket kit provided, attach the gaskets 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 mounting 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 using copper conductors.

  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, ensuring it is set above the minimum operational temperature.

  7. Test the air conditioner

    Energize the unit and verify that the evaporator blower starts running. Allow the compressor to operate for 5 to 10 minutes to ensure 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.