nVent G521246G051 - SpectraCool Indoor/Outdoor G52, 12000BTU 460V, Brushed, SS304
nVent

G521246G051

UPC: 783510194857


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Installation Instructions

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Overview

The nVent SpectraCool G521246G051 is a high-performance, industrial-grade air conditioning unit engineered for demanding indoor and outdoor environments where precise temperature control and durability are critical. Designed by nVent, a global leader in thermal management solutions, this 12,000 BTU unit operates on 460V three-phase power at 50/60Hz, making it ideal for heavy-duty applications in manufacturing plants, data centers, telecom shelters, and other industrial facilities. Its brushed stainless steel SS304 construction ensures superior corrosion resistance and longevity, even in harsh or corrosive atmospheres, while the sleek, clean appearance integrates seamlessly into both indoor enclosures and outdoor-rated installations. Engineered for reliability and ease of use, the SpectraCool G52 series delivers consistent cooling performance with a filterless design that minimizes maintenance and reduces operational downtime. This feature is particularly valuable in environments where dust, debris, or particulate matter could clog traditional filters, such as in mining, oil & gas, or food processing facilities. The unit’s robust design also includes vibration-dampening mounts and a weatherproof outdoor-rated housing, ensuring stable operation in extreme temperatures ranging from -20°C to 50°C (-4°F to 122°F). Installation is streamlined thanks to the compact footprint and pre-engineered mounting options, allowing for quick integration into existing systems or new builds. The G521246G051 is compatible with a wide range of enclosure sizes and can be wall-mounted, ceiling-suspended, or floor-standing, depending on the application. nVent’s reputation for innovation and quality is underscored by decades of expertise in thermal management, with the SpectraCool line reflecting their commitment to delivering solutions that meet the rigorous demands of industrial environments. Typical applications for the SpectraCool G521246G051 include cooling electrical control panels, server rooms, battery enclosures, and process control cabinets. Its high-efficiency compressor and optimized airflow design ensure rapid heat dissipation, protecting sensitive electronics and extending the lifespan of critical components. For professionals in industries such as automation, telecommunications, or power distribution, this unit provides a dependable solution that balances performance, durability, and ease of maintenance—all backed by nVent’s global service network and industry-leading warranties. Choose the SpectraCool G521246G051 for uncompromising cooling performance in the most challenging conditions. Whether you’re safeguarding industrial equipment, ensuring uptime in a data center, or maintaining optimal operating temperatures in a remote telecom site, this unit delivers the reliability and precision required to keep your operations running smoothly. Trust nVent to provide the thermal management solutions that power modern industry.
  • 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
50-131 °F
Application
Corrosive Environments; Controls and Drives; Power Distribution
Application
Controls and Drives;Corrosive Environments;Power Distribution
Btu Rating
12,000
Color
Unpainted
Corrosion Resistant
No
Depth
11.66 in
Depth
296 mm
Finish
Brushed #3
Frequency Rating
50/60 Hz
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
50 Hz
Height
1,338 mm
Height
52.69 in
Material
Stainless Steel 304
Max Current
3.5 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
460 V
Number Of Phases
3
Operating Temperature
10-55 °C
Operating Temperature
50-131
Operating Temperature
10-55
Outdoor Installation
Yes
Phase
3 Ph
Phase
3
Product Family
SpectraCool
Protection Rating
NEMA Type 4X
Refrigerant
R513A
Remote Access Control
No
Thickness
20 ga
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
400-460 V
Voltage Rating
400/460 V
Weight
64 kg
Weight
147 lb
Width
17.12 in
Width
435 mm
Package Dimensions (L x W x H)
19 IN x 15.5 IN x 54 IN
Package Dimensions (L x W x H)
48.26 cm x 39.37 cm x 137.16 cm
Package Weight (Imperial)
147.000 L
Package Weight (Metric)
66.679 kg
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How to Install the G52 Air Conditioner

This guide provides step-by-step instructions for installing and configuring the G52 Air Conditioner, ensuring proper functionality and safety.

Estimated time: 45m

Tools needed:

Screwdriver, Wrench, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Mounting gasket, Terminal connectors

  1. Inspect the air conditioner

    Check the air conditioner for any visible damage and verify its functionality before proceeding with the installation.

  2. Install mounting gaskets

    Using the mounting gasket kit provided, attach the gaskets to the air conditioner to ensure a watertight seal.

  3. Mount the air conditioner

    Securely mount the air conditioner on the enclosure, ensuring not to damage the gaskets. Avoid dragging the unit to prevent tearing the gaskets.

  4. Wire the air conditioner

    Refer to the nameplate for electrical requirements and connect the unit to a properly grounded power supply. Ensure the circuit is fused with a slow blow or HACR circuit breaker.

  5. Verify electrical phasing

    For 3-phase units, check that the phase monitor light is illuminated after applying power, indicating correct electrical phasing.

  6. Set thermostat

    Adjust the thermostat to the desired cabinet temperature. Remove the protective plastic bushing before making adjustments.

  7. Test the air conditioner

    Allow the unit to run for 5-10 minutes to ensure proper operation. Check that the evaporator blower and compressor are functioning 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.