nVent NHZ280446G360 - SpectraCool Narrow Hazardous Location AC with RAC, 4000BTU 460V, Lt Gray, Steel
nVent

NHZ280446G360

UPC: 783510292041


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Overview

The **nVent SpectraCool Narrow Hazardous Location AC (NHZ280446G360)** is a high-performance, Type 4/C1D2 compliant air conditioning unit engineered for demanding hazardous environments. Designed to deliver **4,000 BTU of cooling power at 460V**, this unit provides reliable thermal management in locations where flammable gases, vapors, or dust may be present. Unlike traditional hazardous location cooling solutions that rely on heavy cast enclosures and complex purge systems, the SpectraCool Narrow AC features a sleek, lightweight design with minimal visible fasteners—reducing installation time and maintenance overhead while maintaining robust protection against environmental hazards. **Key Applications & Industries** The SpectraCool Narrow AC is ideal for a wide range of hazardous location cooling applications, including: - **Oil & Gas**: Offshore platforms, refineries, and petrochemical facilities where explosion-proof cooling is critical for control panels, enclosures, and sensitive electronics. - **Mining**: Underground operations and surface mining sites requiring durable, low-maintenance cooling for machinery and control rooms. - **Manufacturing**: Chemical processing plants, pharmaceutical facilities, and food & beverage production where dust or gas hazards necessitate certified cooling solutions. - **Utilities & Power**: Substations, wind farms, and solar installations where environmental conditions demand reliable thermal regulation for sensitive equipment. **Engineered for Safety & Efficiency** The NHZ280446G360 is **Type 4 (IP66) rated** for indoor/outdoor use, ensuring protection against water, dust, and corrosion. Its **C1D2 certification** confirms compliance with hazardous location standards, making it suitable for Class I, Division 2 and Zone 2 environments. The unit operates without requiring a purge or pressurized system, simplifying installation and reducing operational costs. The **light gray steel housing** provides durability while blending seamlessly with industrial aesthetics. **Why Choose nVent for Hazardous Location Cooling?** As a trusted leader in thermal management solutions, nVent (formerly part of Pentair Thermal Management) delivers products built for extreme conditions. The SpectraCool Narrow AC leverages decades of expertise in hazardous location cooling, offering: - **Proven reliability** in the most challenging environments, with a track record of performance in oil & gas, mining, and industrial applications. - **Easy integration** with existing control systems, thanks to standardized voltage options and compact form factors. - **Minimal maintenance** requirements, reducing downtime and lifecycle costs. - **Global compliance** with international hazardous location certifications, ensuring peace of mind for safety managers and engineers. **Installation & Performance Considerations** Professionals select the SpectraCool Narrow AC for its **plug-and-play compatibility** with hazardous location enclosures, eliminating the need for custom modifications. The unit’s **4,000 BTU capacity** is optimized for mid-sized control panels, junction boxes, or small electrical rooms, providing precise temperature control to prevent overheating. With **no external venting required**, it can be mounted directly on enclosures or walls, saving valuable floor space in tight industrial settings. For engineers and facility managers tasked with hazardous location cooling, the **nVent SpectraCool Narrow AC (NHZ280446G360)** represents the ideal balance of safety, performance, and cost-efficiency. Whether deployed in a refinery, mine, or manufacturing plant, this unit ensures critical electronics remain within optimal operating temperatures—even in the harshest conditions. Trusted by industry leaders worldwide, SpectraCool air conditioners are a proven solution for protecting assets and maintaining operational continuity in hazardous environments.
  • Not re-built from light industrial air conditioners
  • Painted galvanized sheet metal cover for rugged factory and outdoor environments
  • Corrosion resistant coating on ambient side components for Type 4X models
  • Corrosion resistant coating on ambient and enclosure side components for Type 4X Offshore models
  • Dust resistant coils for filterless operation in most environments
  • Cleanable, reusable aluminum mesh filter protects coils for extremely dusty and dirty atmospheres
  • Digital temperature control
  • Narrow design to accommodate 12-in (300-mm) deep cabinets
  • R134a, R513A or R407C earth-friendly Refrigerant
  • Models for 115, 230 and 400/460 3-phase VAC power input

Specifications

Application
Hazardous Environments
Color
Gray
Color
Light Gray
Color Code
RAL 7035
Depth
356 mm
Depth
14 in
Height
28 IN
Height
711 mm
Material
Mild Steel
Max Current
2.5 A
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
Remote Access Control
Yes
Thickness
1.27 mm
Thickness
18 ga
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
400-460 V
Weight
92 lb
Weight
44 kg
Width
11.5 in
Width
292 mm
Package Dimensions (L x W x H)
29 IN x 18 IN x 14 IN
Package Dimensions (L x W x H)
73.66 cm x 45.72 cm x 35.56 cm
Package Weight (Imperial)
92.000 L
Package Weight (Metric)
41.731 kg
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How to Install the NHZ280446G360 Air Conditioner

This guide provides step-by-step instructions for installing and configuring the NHZ280446G360 air conditioner in hazardous locations.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, Mounting gasket kit

  1. Inspect the air conditioner

    Check the air conditioner for any visible damage and verify its functionality before installation. Ensure it has been stored upright for at least five minutes if it was previously horizontal.

  2. Prepare the installation site

    Select a location for the air conditioner that maintains a six-inch clearance on at least one side and twenty inches from the front for cover removal. Use the cutout template provided to prepare the enclosure.

  3. Mount the air conditioner

    Secure the air conditioner to the enclosure using the mounting screws, ensuring the mounting gasket is not damaged. Start bolts by hand to avoid cross-threading.

  4. Connect the power supply

    Refer to the nameplate for electrical requirements and wire the unit to a properly grounded power supply. Ensure the circuit is fused with a slow blow or HACR circuit breaker.

  5. Adjust the controller settings

    Set the desired cabinet temperature on the controller. Refer to the manual for specific instructions on displaying and changing program settings.

  6. Test the air conditioner

    Energize the unit and verify that the evaporator blower starts running. Ensure the compressor operates correctly by setting the thermostat below the ambient temperature.

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.