nVent NHZ280426G500 - SpectraCool Narrow Hazardous Location AC Offshore, 4000BTU 230V, Brushed, SS316
nVent

NHZ280426G500

UPC: 783510286682

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Installation Instructions

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Overview

The nVent SpectraCool Narrow Hazardous Location AC (SKU: NHZ280426G500) is a high-performance, 4000 BTU, 230V air conditioning unit engineered for demanding environments where safety and reliability are paramount. Specifically designed for hazardous locations, this unit offers robust cooling capabilities without compromising on safety standards. Its brushed SS316 construction ensures exceptional corrosion resistance, making it ideal for offshore applications and other harsh industrial settings. This SpectraCool unit is built to meet the stringent requirements of hazardous locations, providing essential climate control for sensitive equipment and personnel. Unlike conventional HVAC systems, nVent's innovative design eliminates the need for complex purge and pressurized systems, simplifying installation and reducing operational overhead. The narrow profile and attractive design minimize visual impact and ease integration into existing infrastructure, featuring a minimal use of visible fasteners for a cleaner aesthetic. Key benefits and features include: * **Hazardous Location Certified:** Engineered and tested for safe operation in classified hazardous areas. * **Corrosion Resistance:** Constructed from SS316 stainless steel for superior durability in corrosive atmospheres. * **Simplified Installation:** No purge or pressurized system required, reducing complexity and cost. * **Attractive & Narrow Design:** Blends seamlessly into industrial environments with a low-profile, aesthetically pleasing form factor. * **Reliable Cooling:** Provides 4000 BTU of cooling capacity to maintain optimal operating temperatures. * **230V Operation:** Standard voltage for widespread industrial compatibility. Ideal for a wide range of industries including oil and gas, chemical processing, pharmaceuticals, and any sector where flammable gases, vapors, or dusts may be present, the nVent SpectraCool Narrow Hazardous Location AC ensures the integrity and longevity of critical control systems, instrumentation, and electronics. By maintaining stable internal temperatures, it prevents overheating, condensation, and other environmental factors that can lead to equipment failure and costly downtime. nVent's commitment to quality and safety is evident in every aspect of this product, providing peace of mind for critical infrastructure protection. Professionals selecting cooling solutions for hazardous zones will appreciate the straightforward installation, reduced maintenance requirements, and the inherent safety features that distinguish the SpectraCool line from standard AC units. The SS316 material choice is particularly significant for offshore and marine environments, offering long-term protection against saltwater spray and corrosive elements.
  • 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
Unpainted
Color
Brushed
Depth
356 mm
Depth
14 in
Finish
Brushed
Height
28 IN
Height
711 mm
Material
Stainless Steel 316L
Material
SS316
Max Current
5 A
Nema Rating
C1D2
Nominal Capacity Btu/h
4,000 Btu/h
Nominal Capacity Watts
1,172 W
Nominal Voltage
230 V
Operating Temperature
-40-125
Operating Temperature
-40-52
Operating Temperature
-40-52 °C
Product Family
SpectraCool
Remote Access Control
No
Series
SpectraCool Narrow Hazardous Location AC Offshore
Size
4000BTU
Thickness
1.27 mm
Thickness
18 ga
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
200-250 V
Voltage Rating
230 V
Weight
38 kg
Weight
84 lb
Width
292 mm
Width
11.5 in
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)
84.000 L
Package Weight (Metric)
38.102 kg
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How to Install the NHZ280426G500 Air Conditioner

This guide provides step-by-step instructions for installing and configuring the NHZ280426G500 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 for any visible damage and ensure the air conditioner is functioning correctly before installation.

  2. Prepare the installation site

    Ensure a six-inch clearance on at least one side and twenty inches from the front for cover removal. Use the cutout template to prepare the enclosure.

  3. Mount the air conditioner

    Securely attach the air conditioner to the enclosure using the mounting screws and gasket, ensuring the unit is level and upright.

  4. Wire the air conditioner

    Connect the air conditioner to a properly grounded power supply according to the nameplate specifications, using copper conductors only.

  5. Adjust the controller settings

    Set the desired cabinet temperature on the controller. Refer to the manual for specific programming instructions.

  6. Test the air conditioner

    Energize the unit and verify that the evaporator blower starts running and the compressor operates 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.