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Overview
- 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 |
Depth | 356 mm |
Depth | 14 in |
Finish | Brushed |
Height | 28 IN |
Height | 711 mm |
Material | Stainless Steel 316L |
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 | No |
Thickness | 1.27 mm |
Thickness | 18 ga |
Thickness | 51.40mm (2.024") |
Type | Air Conditioners |
Voltage AC | 400-460 V |
Weight | 44 kg |
Weight | 92 lb |
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 |
How to Install the NHZ280446G500 Air Conditioner
This guide provides step-by-step instructions for installing and configuring the NHZ280446G500 air conditioner in a hazardous location.
Estimated time: 1h
Tools needed:
Screwdriver, Wrench, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Gaskets, Wire connectors
- Inspect the air conditioner
Check the air conditioner for any visible damage and ensure it is functioning correctly before installation.
- Prepare the installation site
Ensure there is 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.
- Mount the air conditioner
Securely mount the air conditioner to the enclosure using the provided mounting screws, ensuring not to damage the gaskets.
- Connect the power supply
Wire the air conditioner to a properly grounded power supply according to the nameplate specifications, ensuring the circuit is fused.
- Adjust the controller settings
Set the desired temperature on the controller and ensure it is functioning by checking the display for operational indicators.
- Test the air conditioner
Energize the unit and verify that the evaporator fan starts and the compressor operates correctly within the specified temperature range.
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.






