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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;Corrosive Environments;Power Distribution |
Application | Corrosive Environments; Controls and Drives; Power Distribution |
Btu Rating | 4,655 |
Color | Unpainted |
Corrosion Resistant | No |
Depth | 259 mm |
Depth | 10.18 in |
Finish | Brushed #3 |
Frequency Rating | 50/60 Hz |
Frequency Rating, Maximum | 60 Hz |
Frequency Rating, Minimum | 50 Hz |
Height | 28.59 in |
Height | 726 mm |
Material | Stainless Steel 304 |
Max Current | 1.9 A |
Mounting | Side wall |
NEMA Rating | 4X Watertight, corrosion-resistant |
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 |
Phase | 3 Ph |
Product Family | SpectraCool |
Protection Rating | NEMA Type 4X |
Refrigerant | R513A |
Remote Access Control | No |
Thickness | 51.40mm (2.024") |
Thickness | 20 ga |
Type | Air Conditioners |
Voltage AC | 400-460 V |
Voltage Rating | 460 V |
Weight | 38 kg |
Weight | 95 lb |
Width | 17.01 in |
Width | 432 mm |
Package Dimensions (L x W x H) | 21 IN x 14 IN x 32 IN |
Package Dimensions (L x W x H) | 53.34 cm x 35.56 cm x 81.28 cm |
Package Weight (Imperial) | 95.000 L |
Package Weight (Metric) | 43.092 kg |
How to Install the G28 Air Conditioner
This guide provides step-by-step instructions for installing the G28 Air Conditioner, including mounting, wiring, and initial setup.
Estimated time: 45m
Tools needed:
Screwdriver, Wrench or ratchet driver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Mounting gasket kit, Terminal connectors
- Inspect the air conditioner
Check the air conditioner for any visible damage and verify functionality before proceeding with the installation.
- Install mounting gaskets
Using the mounting gasket kit provided, attach the gaskets to the air conditioner to ensure a watertight seal.
- Mount the air conditioner
Securely mount the air conditioner to the enclosure, ensuring not to damage the gaskets. Avoid dragging the unit to prevent tearing the gaskets.
- Wire the air conditioner
Refer to the nameplate for electrical requirements and wire the unit to a properly grounded power supply. Ensure the circuit is fused with a slow blow or HACR circuit breaker.
- Verify electrical phasing
For 3-phase units, check that the phase monitor light is illuminated after power is applied, indicating correct electrical phasing.
- Set up the thermostat
If required, wire the remote thermostat outputs to the appropriate terminals on the 24 VAC terminal strip according to the wiring diagram.
- Adjust thermostat settings
Set the thermostat to the desired cabinet temperature, following the guidelines in the Sequence of Operation.
- Test the air conditioner
Allow the unit to remain upright for at least five minutes before starting. Then, power on the unit and verify that the evaporator fan and compressor operate 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.