nVent MHB110426G306 - Genesis Top-Mount Indoor, MHB11 4000BTU 230V, Gray, Steel
nVent

MHB110426G306

UPC: 783510743208


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Installation Instructions

Contact for Pricing

Overview

The nVent Genesis MHB11 Top-Mount Indoor Air Conditioner (SKU: MHB110426G306) provides essential thermal management for electrical enclosures. Engineered for direct top mounting, this unit ensures optimal operating temperatures for sensitive control systems, preventing costly downtime. Its robust construction features low-carbon steel shrouds with minimal visible fasteners, built for harsh factory environments. Delivering 4000 BTU of cooling capacity, it operates on 230V, 50/60Hz with an 8.0/7.5A current draw. An integrated, cleanable aluminum mesh filter protects internal cooling coils from dust and debris, extending operational life and maintaining cooling efficiency. Standard features include an electro-mechanical thermostat for precise control, a surge suppressor for electrical stability, and a condensate management system. The top-mount design is ideal for space-constrained applications. Applications include industrial automation, package handling, and process control systems where reliable enclosure climate control is critical for components like PLCs and VFDs. The unit maintains UL/cUL Type 12 rating when properly installed on a Type 12 enclosure and operates within a temperature range of 50°F to 125°F (10°C to 52°C).
  • 4000 BTU/Hr cooling capacity
  • 230V single-phase power input
  • Top-mount design for space-saving installation
  • Robust low-carbon steel construction
  • Cleanable, reusable aluminum mesh filter
  • Every unit functionally tested before shipping
  • Mounting hardware, gaskets and user manual furnished with the unit
  • Every unit functionally tested before shipping

Specifications

Amperage Rating
8.0/7.5 A
Application
Controls and Drives; Power Distribution; Corrosive Environments
Application
Controls and Drives;Corrosive Environments;Power Distribution
Btu Rating
4,000
Color
Traffic Gray
Color
Gray
Color Code
RAL 7042
Current Rating
8.0/7.5 A
Depth
535 mm
Depth
21.08 in
Finish
Powder Coated
Frequency
50/60 Hz
Frequency Rating
50/60 Hz
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
50 Hz
Height
260 mm
Height
10.25 in
Material
Steel
Material
Mild Steel
Max Current
7.5 A
Mechanical Advantage
Mild steel sheet metal standard
Mounting Type
Top-Mount
NEMA Rating
12 Indoor, dust-resistant
Nominal Capacity Btu/h
4,000 Btu/h
Nominal Capacity Watts
1,172 W
Nominal Voltage
230 V
Operating Temperature
50-125
Operating Temperature
10-52
Operating Temperature
10-52 °C
Phase
1 Ph
Phase
1
Product Family
Genesis
Protection Rating
NEMA Type 12
Remote Access Control
No
Series
Genesis MHB11
Series
Genesis
Thickness
18 ga
Thickness
1.21 mm
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
200-250 V
Voltage Rating
230 V
Weight
49 kg
Weight
99.6 lb
Width
432 mm
Width
17 in
Package Dimensions (L x W x H)
25.6 IN x 21 IN x 12 IN
Package Dimensions (L x W x H)
65.024 cm x 53.34 cm x 30.48 cm
Package Weight (Imperial)
99.600 L
Package Weight (Metric)
45.179 kg
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How to Install the MHB110426G306 Air Conditioner

This guide provides step-by-step instructions for installing the MHB110426G306 air conditioner, ensuring proper mounting, wiring, and initial setup.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Gasket kit, Terminal connectors

  1. Inspect the air conditioner

    Check the air conditioner for any visible damage and ensure it is functioning properly before installation.

  2. Prepare the enclosure

    Using the cutout dimensions provided in the manual, prepare the air 'IN' and 'OUT' openings, as well as the mounting bolt hole pattern on the enclosure.

  3. Install gaskets

    Apply the gaskets from the gasket kit to the back of the air conditioner in the locations specified in the manual.

  4. Mount the air conditioner

    Secure the air conditioner to the enclosure using the provided mounting bolts and screws. Ensure the unit is upright and allow it to sit for at least five minutes before powering on.

  5. Connect power supply

    Refer to the nameplate for electrical requirements and connect the power cord to a properly grounded power supply. Avoid using an extension cord.

  6. Test functionality

    Power on the air conditioner and allow it to run for 5-10 minutes. Check for excessive noise or vibration, and ensure the condenser and evaporator blowers are operating 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.