nVent G521226G360 - SpectraCool Advanced Corrosion Protection Lvl 1 with RAC, 12000BTU 230V, Lt Gray, Steel
nVent

G521226G360

UPC: 783510356842


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Installation Instructions

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Overview

The nVent SpectraCool Advanced Corrosion Protection Level 1 with RAC (G521226G360) is a high-performance, industrial-grade air conditioner engineered to deliver precise enclosure cooling in the most demanding environments. Designed for reliability, durability, and ease of installation, this 12,000 BTU unit operates on 230V power and features a lightweight steel housing with a light gray finish, ensuring both structural integrity and corrosion resistance. Built to withstand harsh conditions, the SpectraCool series from nVent leverages decades of thermal management expertise to protect critical electrical and electronic enclosures across a wide range of industrial applications. This enclosure air conditioner (RAC) is part of nVent’s SpectraCool family, which is recognized for its robust design and filterless operation—eliminating the need for routine filter maintenance while maintaining optimal airflow and cooling efficiency. The Level 1 corrosion protection ensures reliable performance in moderately corrosive environments, making it ideal for facilities where exposure to moisture, dust, or airborne contaminants is a concern. Whether installed in control panels, telecom shelters, or industrial machinery enclosures, the SpectraCool G521226G360 provides consistent temperature control to prevent overheating and extend the lifespan of sensitive components. Professionals in industries such as manufacturing, oil and gas, utilities, and data centers rely on nVent’s thermal management solutions for their proven performance and ease of integration. The unit’s clean appearance and modular design simplify installation, while its compact footprint allows for flexible mounting options. With a focus on operational reliability, the SpectraCool series minimizes downtime by delivering stable cooling even in fluctuating ambient temperatures. Key applications include protecting PLCs, variable frequency drives (VFDs), and other critical control systems in factories, warehouses, and outdoor installations. The 12,000 BTU capacity makes it suitable for medium-sized enclosures, offering a balance between cooling power and energy efficiency. nVent’s reputation for innovation and quality ensures that the SpectraCool G521226G360 meets the rigorous demands of industrial environments, providing peace of mind for engineers and facility managers alike. Whether you’re retrofitting an existing system or specifying cooling for a new installation, this RAC unit delivers the performance and durability required to maintain optimal operating conditions year-round.
  • Attractive industrial design with minimal use of visible fasteners
  • Level 1 Protection Includes: Protective coatings only applied to copper tubing and coils on the condenser (exterior facing) side as well as thermostat coatings
  • Energy-efficient rotary compressor on most models
  • Level 2 Protection Include: Everything that was coated in Level 1, plus protective coatings applied to the evaporator (interior facing ) side and an additional wrap around the thermostat
  • Cleanable, reusable aluminum mesh filter included to protect coils for maximum cooling performance in dirty environments
  • R407C, R513A or R134a refrigerants
  • 115, 230 and 400/460 VAC 3-phase power input on most models
  • Reliable mechanical thermostat on enclosure side of the unit
  • All G-series come standard with two separate thermostats for cooling and heating when a heater is equipped
  • Operating temperature range from -40 F/-40 C to 131 F/55 C

Specifications

Ambient Temperature
40 Deg C
Ambient Temperature
-40-131 °F
Amperage Rating
2297
Application
Controls and Drives;Corrosive Environments;Power Distribution
Color
Gray
Color
Lt Gray
Color
Light Gray
Color Code
RAL 7035
Corrosion Resistant
Yes
Depth
296 mm
Depth
11.66 in
Finish
Powder Coated
Height
52.69 in
Height
1,338 mm
Material
Mild Steel
Material
Steel
Max Current
10.9 A
Mounting
Side wall
NEMA Rating
4X Watertight, corrosion-resistant
Nominal Capacity Btu/h
12,000 Btu/h
Nominal Capacity Watts
3,500 W
Nominal Voltage
230 V
Number Of Phases
1
Operating Temperature
-40-55 °C
Operating Temperature
-40-131
Operating Temperature
-40-55
Outdoor Installation
Yes
Poles
1P
Product Family
SpectraCool
Protection Rating
NEMA Type 4X
Refrigerant
R513A
Remote Access Control
Yes
Series
SpectraCool
Size
12000BTU
Thickness
1.21 mm
Thickness
18 ga
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
200-250 V
Voltage Rating
230 V
Weight
59.4 kg
Weight
128 lb
Width
17.12 in
Width
435 mm
Package Dimensions (L x W x H)
52.7 IN x 17.14 IN x 11.65 IN
Package Dimensions (L x W x H)
133.858 cm x 43.5356 cm x 29.591 cm
Package Weight (Imperial)
128.000 L
Package Weight (Metric)
58.061 kg
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How to Install the G520816G151 Air Conditioner

This guide provides step-by-step instructions for installing and configuring the G520816G151 air conditioner, ensuring proper functionality and safety.

Estimated time: 45m

Tools needed:

Screwdriver, Wrench, Ratchet driver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Mounting gasket, Electrical wire, Thermostat (if required)

  1. Inspect the air conditioner

    Check for any visible damage and ensure the unit is functioning correctly before proceeding with installation.

  2. Install mounting gaskets

    Apply the mounting gaskets provided with the unit to ensure a watertight seal between the air conditioner and the enclosure.

  3. Mount the air conditioner

    Securely mount the air conditioner to the enclosure, ensuring not to damage the gaskets. Start bolts by hand to avoid cross-threading.

  4. Wire the air conditioner

    Connect the unit to a properly grounded power supply, ensuring the circuit is fused with a slow blow or HACR circuit breaker.

  5. Connect the thermostat

    If required, wire the thermostat outputs to the appropriate terminals on the 24 VAC terminal strip according to the wiring diagram.

  6. Set the thermostat

    Adjust the thermostat to the desired cabinet temperature, following the guidelines in the Sequence of Operation.

  7. Test the air conditioner

    Allow the unit to remain upright for at least five minutes before powering on. Verify that the evaporator fan starts 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.