nVent PLKTN28 - Easy Swap Air Cond Adaptor Plenum ISC NE-030 to N28, Lt Gray, Steel
nVent

PLKTN28

UPC: 783510265052


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Installation Instructions

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Overview

The nVent HOFFMAN Easy Swap Air Conditioner Adaptor Plenum (SKU: PLKTN28) is a critical thermal management solution designed for industrial enclosures requiring seamless air conditioning upgrades. Engineered by nVent, a global leader in thermal management and electrical enclosure solutions, this adaptor plenum enables rapid replacement of legacy air conditioners without modifying existing enclosure cutouts or mounting configurations. When an air conditioner reaches end-of-life or sustains damage, the Easy Swap Adaptor Plenum eliminates costly enclosure modifications by providing a pre-engineered interface that matches standard NEMA Type 12 enclosure cutouts and mounting hole patterns. This ensures compatibility with a wide range of Hoffman air conditioner series, including Genesis, T-Series, Proair, and SpectraCool models, making it an ideal solution for facilities managers, maintenance teams, and OEMs seeking to minimize downtime during equipment upgrades. The adaptor plenum features an optimized plenum design that enhances airflow compared to flat plate alternatives, preventing blockage of air intake and outtake pathways left by older air conditioners. This design maintains critical NEMA Type 12 and IP54 ratings when properly installed, ensuring protection against dust, water ingress, and environmental contaminants. Constructed from 18-gauge steel and finished in light gray paint to match Hoffman’s standard air conditioner color, the PLKTN28 delivers durability and aesthetic consistency in industrial environments. The included gasket ensures a secure, vibration-resistant seal, while the lightweight yet robust construction simplifies handling and installation. Typical applications span industrial automation, data centers, telecommunications, manufacturing facilities, and outdoor enclosures where reliable thermal management is essential. The Easy Swap Adaptor Plenum is particularly valuable in retrofitting aging infrastructure, reducing replacement costs by leveraging existing enclosure infrastructure. nVent’s reputation for engineering high-performance thermal solutions—backed by decades of expertise in enclosure cooling—positions the PLKTN28 as a trusted choice for professionals prioritizing efficiency, reliability, and compliance with industry standards. Whether upgrading a single enclosure or managing a fleet of industrial equipment, this adaptor plenum delivers a cost-effective, time-saving solution that aligns with modern maintenance and sustainability goals.
  • No modification of the enclosure required - designed to match the enclosure cut-out and mounting holes of the air conditioner being replaced
  • Plenum design allows for optimum air flow (vs. a flat plate that can block the air intake and air outtake left by the older air conditioner)
  • Gasket included
  • 18 gauge steel
  • Includes gasket for secure, vibration-resistant sealing

Specifications

Air Conditioner Manufacturer to Replace
ISC, Kooltronic, Thermal Edge
Application
Controls and Drives;Power Distribution
Application
Power Distribution; Controls and Drives
Color
Light Gray
Color
Lt Gray
Color
Gray
Color
Grey
Color Code
RAL 7035
Depth
1.5 IN
Depth
38 mm
Finish
Powder Coated
Finish
Lt Gray;Powder Coated
Height
33.25 in
Height
845 mm
IP Rating
IP54
Material
Mild Steel
Material
Steel
Mounting Type
Pre-engineered interface matching standard NEMA Type 12 enclosure cutouts
Nema Rating
Type 12
NEMA Rating
12 Indoor, dust-resistant
Product Family
EasySwap
Protection Rating
NEMA Type 12
Series
Easy Swap Air Conditioner Adaptor Plenum
Size
33.25 x 12.25 x 1.5 in
Size
NE-030 to N28
Thickness
51.40mm (2.024")
Thickness
1.21 mm
Thickness
18 ga
Type
Air Conditioners
Weight
7.9 lb
Width
12.25 in
Width
311 mm
Package Dimensions (L x W x H)
35.5 IN x 14.7 IN x 2.4 IN
Package Dimensions (L x W x H)
90.17 cm x 37.338 cm x 6.096 cm
Package Weight (Imperial)
7.900 L
Package Weight (Metric)
3.583 kg
Easy Swap Air Cond Adaptor Plenum HC52 to T53, Lt Gray, Steel

PLHC52T53

Easy Swap Air Cond Adaptor Plenum HC52 to T53, Lt Gray, Steel
PFA 20000 Type12 Exh Ft Lt Gy

11720001055

PFA 20000 Type12 Exh Ft Lt Gy
Roof fan - 12,75"x12,75" 230Vac - 288.2 cfm - RAL 7035 - IP54

TP19U230B541

Roof fan - 12,75"x12,75" 230Vac - 288.2 cfm - RAL 7035 - IP54
120 MM, 100 CFM, 115V AC Fan

DNMF100AC115

120 MM, 100 CFM, 115V AC Fan

How to Install the PLKTN28 Plenum Adaptor

This guide provides step-by-step instructions for installing the PLKTN28 Plenum Adaptor, including mounting, wiring, and initial setup.

Estimated time: 30m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Washers, Power cord

  1. Install the gasket

    Attach the included gasket to the air conditioner to ensure a proper seal.

  2. Connect the power cord

    Connect the power cord supplied by the customer to the designated terminal on the Plenum Adaptor.

  3. Secure the adaptor

    Use the included screws and washers to mount the Plenum Adaptor securely to the air conditioner, ensuring all connections are tight.

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.