nVent G521226G100 - SpectraCool Outdoor Without Heat G52, 12000BTU 230V, Lt Gray, Steel
nVent

G521226G100

UPC: 783510205119


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Overview

The nVent SpectraCool Outdoor Without Heat G52 (SKU: G521226G100) is a robust, high-performance air conditioning unit engineered for demanding industrial and commercial applications. Designed to deliver precise thermal management in harsh outdoor environments, this 12,000 BTU unit operates on 230V power at 50/60Hz, making it ideal for facilities requiring consistent cooling without the complexity of heat-generating components. Manufactured by nVent, a global leader in thermal management solutions, the SpectraCool series combines durability, efficiency, and ease of installation to protect sensitive electronics, control panels, and enclosures from overheating and environmental contaminants. Engineered for reliability, the SpectraCool G52 features a filterless design that eliminates maintenance-intensive components, reducing downtime and operational costs. Its lightweight steel construction with a durable light gray finish ensures long-term resistance to corrosion, UV exposure, and mechanical stress, making it suitable for outdoor installations in industrial plants, data centers, telecommunications hubs, and utility substations. The unit’s compact footprint and integrated mounting provisions simplify installation, while its robust IP-rated enclosure safeguards internal components against dust, moisture, and extreme temperatures. The SpectraCool G52 is part of nVent’s SpectraCool family, a trusted line of enclosure cooling solutions designed for mission-critical applications. Unlike traditional air conditioners, these units prioritize clean aesthetics and operational simplicity, making them a preferred choice for facilities where reliability and minimal maintenance are non-negotiable. Typical applications include protecting PLCs, servers, and electrical enclosures in manufacturing plants, oil and gas facilities, and renewable energy installations. The filterless design further enhances performance by preventing airflow restrictions caused by clogged filters, ensuring consistent cooling even in dusty or particulate-rich environments. Professionals in industrial thermal management rely on nVent for solutions that balance performance with longevity. The SpectraCool G52’s 12,000 BTU capacity is optimized for mid-sized enclosures, providing efficient heat dissipation without excessive energy consumption. Its single-phase 230V operation aligns with global power standards, ensuring compatibility with most industrial electrical infrastructures. Installation is streamlined with pre-engineered mounting brackets and clear access panels for wiring and service, reducing setup time and labor costs. For facilities prioritizing uptime and equipment protection, the SpectraCool Outdoor Without Heat G52 delivers unmatched value. Its combination of high-performance cooling, rugged construction, and nVent’s reputation for innovation makes it a cornerstone solution for enclosure thermal management. Whether deployed in a bustling factory floor or a remote telecom site, this unit ensures optimal operating conditions for critical infrastructure, safeguarding investments and maintaining productivity.
  • 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;Power Distribution
Application
Power Distribution; Controls and Drives
Btu Rating
12,000
Color
Light Gray
Color
Gray
Color Code
RAL 7035
Corrosion Resistant
No
Depth
296 mm
Depth
11.66 in
Finish
Powder Coated
Frequency
50/60 Hz
Frequency Rating
50/60 HZ
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
50 Hz
Height
1,338 mm
Height
52.69 in
Material
Steel
Material
Mild Steel
Max Current
10.9 A
Model
G521226
Mounting
Side wall
NEMA Rating
4 Watertight
Nominal Capacity Btu/h
12,000 Btu/h
Nominal Capacity Watts
3,500 W
Nominal Voltage
230 V
Number Of Phases
1
Operating Temperature
-40-131
Operating Temperature
-40-55
Operating Temperature
-40-55 °C
Outdoor Installation
Yes
Phase
1 Ph
Phase
1
Power
3500
Product Family
SpectraCool
Protection Rating
NEMA Type 4
Refrigerant
R513A
Remote Access Control
No
Series
SpectraCool Outdoor Without Heat G52
Size
12000 BTU
Thickness
20 ga
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
200-250 V
Voltage Rating
230 V
Voltage Rating
230
Weight
59.4 kg
Weight
135 lb
Width
17.12 in
Width
435 mm
Package Dimensions (L x W x H)
19 IN x 16 IN x 55 IN
Package Dimensions (L x W x H)
48.26 cm x 40.64 cm x 139.7 cm
Package Weight (Imperial)
135.000 L
Package Weight (Metric)
61.236 kg
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How to Install the G521226G100 Air Conditioner

This guide provides step-by-step instructions for installing and configuring the G521226G100 air conditioner, ensuring proper functionality and safety.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, Mounting gasket kit

  1. Inspect the air conditioner

    Check for any visible damage and verify that the unit functions correctly 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 onto the enclosure, ensuring not to damage the gaskets. Avoid dragging the unit to prevent tearing the gaskets.

  4. Wire the power supply

    Refer to the nameplate for electrical requirements and connect the unit to a properly grounded power supply using copper conductors.

  5. Connect the thermostat

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

  6. Set the thermostat

    Adjust the thermostat to the desired cabinet temperature, ensuring it is set within the operational range specified in the manual.

  7. Power on the unit

    Allow the unit to remain upright for at least five minutes before powering it on to ensure proper operation.

  8. Verify operation

    After powering on, check that the evaporator fan starts running and that the compressor operates correctly by monitoring the temperature settings.

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.