Authorized nVent Distributor
nVent G280446G050 - SpectraCool Indoor/Outdoor G28, 4000BTU 460V, Lt Gray, Steel

nVent G280446G050 SpectraCool Indoor/Outdoor G28, 4000BTU 460V, Lt Gray, Steel

UPC: 783510210274


Documents & Media
Installation Instructions

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The nVent SpectraCool G28 (SKU: G280446G050) provides 4000 BTU/Hr cooling for industrial enclosures. This indoor/outdoor unit operates on 460V, 50/60Hz, 3-phase power. It features an energy-efficient rotary compressor and uses R407c and R134a refrigerants. The SpectraCool G28 is UL Listed and meets UL Type 12, 3R, 4; 4X optional ratings, with IP 56 Internal Loop and IP 34 on External Loop. The outdoor model operates from -40 F/-40 C to 131 F/55 C. Its galvanized sheet-metal cover and RAL 7035 light-gray, semi-textured powder-coat finish offer durability for factory and outdoor environments. The unit includes easy-mount flanges and cut-out adapter options for compatibility with other enclosure air conditioners. A dust-resistant condenser coil allows filterless operation in many applications, supplemented by a cleanable, reusable aluminum mesh filter. Standard features include active condensate management with a heater strip, a power-off relay for door switches, and a malfunction switch. Outdoor models also include a compressor heater and head pressure control. Applications include industrial automation, telecommunications, waste water treatment, and security systems.
  • Attractive industrial design with minimal use of visible fasteners
  • Advanced Corrosion Protection Level 1 (ACP L1) 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
  • Advanced Corrosion Protection Level 2 (ACP L2) Protection Includes: Everything that was coated in ACP L1, 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
  • 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
  • Dust-resistant condenser coil allows the unit to be run filterless in most indoor applications
  • Dual condenser-side air movers for performance redundancy on G52 and G57 models

Specifications

Ambient Temperature
40 Deg C
Ambient Temperature
50-131 °F
Amperage Rating
1.3;1.4 A;A
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
50/60 Hz
Frequency Rating
50/60 Hz
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
50 Hz
Height
28.59 in
Height
726 mm
Material
Mild Steel
Material
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
10-55
Operating Temperature
10-55 °C
Operating Temperature
50-131 °F
Outdoor Installation
Yes
Outdoor Installation
No
Phase
3 Ph
Phase
3
Poles
3PH
Product Family
SpectraCool
Protection Rating
NEMA Type 4
Refrigerant
R513A
Remote Access Control
No
Series
SpectraCool G28
Thickness
51.40mm (2.024")
Thickness
20 ga
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
SpectraCool Indoor/Outdoor G28, 6000BTU 460V, Lt Gray, Steel

G280646G050

SpectraCool Indoor/Outdoor G28, 6000BTU 460V, Lt Gray, Steel
DTS 3181 SL 400/460V SS

13383436158

DTS 3181 SL 400/460V SS
AC Unit 5-7,000 BTU/H 115 V - Lt. Gray

DTS3145A115LG

AC Unit 5-7,000 BTU/H 115 V - Lt. Gray
InRow RC 300mm Chilled Water

ACRC301S

InRow RC 300mm Chilled Water
SpectraCool Outdoor Partial Recess Mount G52, 12000BTU 115V, Lt Gray, Steel

G521216G101

SpectraCool Outdoor Partial Recess Mount G52, 12000BTU 115V, Lt Gray, Steel
SpectraCool Outdoor with Heat G52, 8000BTU 115V, Lt Gray, Steel

G520816G150

SpectraCool Outdoor with Heat G52, 8000BTU 115V, Lt Gray, Steel
SpectraCool Outdoor Without Heat G52, 12000BTU 460V, Lt Gray, Steel

G521246G100

SpectraCool Outdoor Without Heat G52, 12000BTU 460V, Lt Gray, Steel
SpectraCool Outdoor with Heat G57, 20000BTU 230V, Lt Gray, Steel

G572026G150

SpectraCool Outdoor with Heat G57, 20000BTU 230V, Lt Gray, Steel

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

  1. Inspect the air conditioner

    Check the air conditioner for any visible damage and ensure it is functioning correctly before 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. Allow unit to stabilize

    Keep the air conditioner upright for at least five minutes before powering it on to prevent damage.

  5. Wire the air conditioner

    Connect the air conditioner to a properly grounded power supply, ensuring the electrical circuit is fused appropriately.

  6. Verify electrical phasing

    Check that the phase monitor light is illuminated after applying power to confirm correct electrical phasing.

  7. 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.

  8. 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.