nVent A3003YZHM - Large-volume system, horiz.
nVent

A3003YZHM

UPC: 783510334390


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Installation Instructions

Contact for Pricing

Overview

The nVent A3003YZHM is a robust, large-volume horizontal purge and pressurization system designed to safeguard sensitive electronic equipment in hazardous environments. This system is engineered to supply a protective inert gas, such as nitrogen, to one or more enclosures with a combined total volume of up to 90 cubic feet. By maintaining a positive pressure within the enclosure, the nVent purge system effectively prevents the ingress of flammable gases, vapors, or dust, thereby mitigating the risk of ignition. This capability is critical for industries operating in Class 1, Division 1 and 2 hazardous locations, where the use of standard, general-purpose enclosures would otherwise be prohibited. The A3003YZHM allows for the cost-effective deployment of reliable instrumentation and control systems in challenging settings, reducing the need for expensive explosion-proof enclosures. Its horizontal mounting configuration offers flexibility in installation, making it suitable for a wide range of industrial applications. Key benefits and features of the nVent A3003YZHM include: * **Hazardous Location Compliance:** Enables the use of general-purpose enclosures in Class 1, Division 1 and 2 hazardous areas by maintaining a protective gas barrier. * **Large Volume Capacity:** Supports a total enclosure volume of up to 90 cubic feet, ideal for complex or multiple-unit installations. * **Protective Gas Supply:** Provides a continuous and controlled supply of inert gas to maintain positive pressure and prevent hazardous atmosphere ingress. * **Horizontal Mounting:** Designed for straightforward installation in a horizontal orientation, optimizing space utilization in control cabinets and skids. * **Reliability:** Manufactured by nVent, a trusted leader in electrical enclosure solutions and hazardous location protection, ensuring high quality and dependable performance. Industries such as oil and gas, chemical processing, pharmaceuticals, and mining frequently rely on purge and pressurization systems like the A3003YZHM to ensure operational safety and compliance with stringent regulatory standards. The system's ability to maintain a safe environment allows for the deployment of advanced automation and control technologies where they are most needed, enhancing efficiency and productivity. Installation of the A3003YZHM typically involves connecting the system to a reliable source of inert gas, such as a nitrogen cylinder or bulk supply, and routing the gas into the enclosure(s) via appropriate conduit or tubing. The system is designed for ease of integration into existing infrastructure, with clear connection points and robust construction to withstand demanding industrial conditions. Professionals select nVent for its proven track record in delivering innovative and reliable solutions for electrical protection and hazardous area management.
  • Vertical mount (VM) or horizontal mount (HM)
  • 90 cubic feet maximum enclosure volume
  • System face plate and mounting plate: Type 316L stainless steel
  • Regulator body: zinc with enamel finish
  • Manifold body: anodized aluminum with Type 316 stainless steel valves
  • Enclosure pressure gauge: aluminum with enamel finish
  • Gas supply gauge: poly case and nickel-plated tube
  • Enclosure protection vent—90 degree
  • Rapid exchange control valve
  • Enclosure supply and enclosure reference bulkhead fittings: Type 316 stainless steel

Specifications

Application
Hazardous Environments
Color
Unpainted
Cubic Capacity
90 cubic ft
Finish
Tumbled
Finish
Tumble
Height
5.5 in
Height
140 mm
Material
Stainless Steel 316L
Modification Services
Yes
Mounting Type
Horizontal
Size
90CF in
Size
90 cubic feet
Thickness
1.98 mm
Thickness
14 ga
Type
Other Accessories
Volume
2.55
Volume
90 ft³
Volume
2.55 m³
Weight
12.6 lb
Weight
4.54 kg
Width
10.75 mm
Width
273 mm
Works With
NEMA / IEC
Package Dimensions (L x W x H)
18.4 IN x 17.9 IN x 10.7 IN
Package Dimensions (L x W x H)
46.736 cm x 45.466 cm x 27.178 cm
Package Weight (Imperial)
12.600 L
Package Weight (Metric)
5.715 kg
Large-Volume Type Y and Z Purging/Pressurization System, 90CF, Vertical Mount

A3003YZVM

Large-Volume Type Y and Z Purging/Pressurization System, 90CF, Vertical Mount

How to Install the A3003YZHM Controller

This guide provides step-by-step instructions for installing and configuring the A3003YZHM Controller for effective operation in hazardous environments.

Estimated time: 1h

Tools needed:

Screwdriver, Wire strippers, Multimeter, Drill with hole saw

Supplies needed:

Mounting screws, Terminal connectors, Enclosure Protection Vent, Gasket for Enclosure Pressure Gauge

  1. Mount the controller

    Secure the A3003YZHM Controller to the designated mounting surface using the provided mounting screws. Ensure the controller is level and that all components are clear of obstructions.

  2. Connect the wiring

    Using wire strippers, prepare the wires for connection. Connect the power supply wires to the designated terminals on the controller, ensuring correct polarity. Use a multimeter to verify connections.

  3. Install the Enclosure Protection Vent

    Drill a hole in the protected enclosure for the Enclosure Protection Vent using a 1.6875" hole saw. Insert the vent hub through the hole and secure it with the provided nut, ensuring the O-ring is properly positioned to prevent leaks.

  4. Configure the controller settings

    Access the controller's configuration interface and set the required parameters for pressure monitoring and gas exchange rates according to the specifications outlined in the manual.

  5. Calibrate the system

    Perform a calibration of the pressure settings by connecting a differential pressure indicator to the enclosure. Adjust the settings on the controller until the desired pressure levels are achieved.

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.