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Overview
- 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 |
Amperage Rating | 1.3/1.4 A |
Application | Controls and Drives;Power Distribution |
Btu Rating | 4,600 |
Color | Gray |
Color | Light Gray |
Color Code | RAL 7035 |
Corrosion Resistant | No |
Depth | 10.18 in |
Depth | 259 mm |
Finish | Powder Coated |
Frequency Rating | 50/60 Hz |
Frequency Rating, Maximum | 60 Hz |
Frequency Rating, Minimum | 50 Hz |
Height | 726 mm |
Height | 28.59 in |
Material | Mild Steel |
Max Current | 1.9 A |
Mounting | Side wall |
NEMA Rating | 4 Watertight |
Nominal Capacity Btu/h | 4,900 Btu/h |
Nominal Capacity Watts | 1,435 W |
Nominal Voltage | 460 V |
Number Of Phases | 3 |
Operating Temperature | 50-131 |
Operating Temperature | 10-55 |
Operating Temperature | 10-55 °C |
Outdoor Installation | Yes |
Phase | 3 Ph |
Phase | 3 |
Product Family | SpectraCool |
Protection Rating | NEMA Type 4 |
Refrigerant | R513A |
Remote Access Control | No |
Thickness | 20 ga |
Thickness | 51.40mm (2.024") |
Type | Air Conditioners |
Voltage AC | 400-460 V |
Voltage Rating | 460 V |
Weight | 97 lb |
Weight | 38 kg |
Width | 432 mm |
Width | 17.01 in |
Package Dimensions (L x W x H) | 21.25 IN x 14 IN x 32.5 IN |
Package Dimensions (L x W x H) | 53.975 cm x 35.56 cm x 82.55 cm |
Package Weight (Imperial) | 97.000 L |
Package Weight (Metric) | 43.999 kg |
How to Install the G28 Air Conditioner
This guide provides step-by-step instructions for installing and setting up the G28 Air Conditioner, ensuring proper functionality and safety.
Estimated time: 1h
Tools needed:
Screwdriver, Wrench or ratchet driver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Mounting gasket kit, Electrical wiring
- Inspect the air conditioner
Check the air conditioner for any visible damage and ensure it is functioning correctly before installation.
- Install mounting gaskets
Apply the mounting gaskets provided with the unit to ensure a watertight seal between the air conditioner and the enclosure.
- 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.
- Allow unit to stabilize
Keep the air conditioner upright for at least five minutes before powering it on to prevent damage.
- Wire the air conditioner
Connect the air conditioner to a properly grounded power supply, ensuring the electrical circuit is fused appropriately.
- Verify electrical phasing
Check that the phase monitor light is illuminated after applying power to confirm correct electrical phasing.
- Connect the thermostat
If required, wire the remote thermostat outputs to the appropriate terminals on the 24 VAC terminal strip according to the wiring diagram.
- Set thermostat parameters
Adjust the thermostat to the desired cabinet temperature, following the guidelines in the Sequence of Operation.
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.

