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nVent CR290426G002 - ProAir Harsh Environment Indoor CR29, 4000BTU 230V, Lt Gray, Steel
nVent

CR290426G002

UPC: 783510742904


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Installation Instructions

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Overview

The nVent ProAir Harsh Environment Indoor CR29 air conditioner, SKU CR290426G002, is engineered to provide robust thermal management for sensitive electronic and electrical components housed within enclosures exposed to challenging ambient conditions. Designed for indoor applications where corrosive elements or water ingress are a concern, this 4000 BTU unit operates on a 230V power supply, consuming 6.7/6.6A at 50/60Hz. Its light gray steel construction offers durability and resistance, making it an ideal choice for a wide array of industrial settings. The ProAir Harsh Environment series is specifically developed to safeguard equipment from the detrimental effects of corrosive atmospheres. The unit's design prioritizes longevity and ease of maintenance. Key to its operational efficiency and serviceability are its minimal fastener count and a conveniently hinged door, which facilitates rapid access for routine checks, cleaning, and any necessary repairs. This thoughtful engineering reduces downtime and ensures your critical systems remain operational. Furthermore, the smooth exterior surface of the CR290426G002, coupled with an optional hood (sold separately), provides enhanced protection against direct water splashes. This feature is particularly crucial in environments where washdowns or high-humidity conditions are prevalent, preventing moisture from compromising the integrity of the internal cooling system and the protected enclosure contents. The unit's cooling capacity of 4000 BTU is suitable for maintaining optimal operating temperatures in moderately sized enclosures, preventing overheating that can lead to component failure and reduced equipment lifespan. Typical applications for the nVent ProAir Harsh Environment CR29 include control panels in chemical processing plants, wastewater treatment facilities, marine environments, food and beverage production, and any industrial setting where a standard air conditioner would quickly degrade. The UNSPSC code 40101701 categorizes this product under air conditioning units, highlighting its primary function in climate control for industrial equipment. Manufactured in the USA, this nVent product benefits from stringent quality control and a reputation for reliability in demanding industrial applications. Selecting the right thermal management solution is critical for the performance and longevity of your electrical enclosures, and the nVent ProAir Harsh Environment CR29 offers a dependable and effective solution for harsh indoor environments.
  • Easy maintenance: hinged front cover allows quick access to all components; condenser coil can be cleaned while unit is still mounted to the cabinet
  • Smooth surface with minimal use of visible fasteners
  • Cleanable reusable aluminum mesh filter protects coils for maximum cooling performance
  • R134a, R513A or R407C Refrigerant
  • Models for 115, 230 and 460 single phase VAC power input
  • Operating temperature range from -40 F/-40 C to 131 F/55 C (with optional low-ambient package)
  • Reliable mechanical thermostat located behind the filter of the unit
  • Robust reciprocating compressor
  • Low-carbon mild-steel sheet-metal cover for rugged factory and outdoor environments
  • High-performance fans and blowers designed for densely packed enclosures

Specifications

Amperage Rating
4.9 A
Application
Controls and Drives;Corrosive Environments;Power Distribution
Btu Rating
4,000
Color
Light Gray
Color
Gray
Color Code
RAL 7035
Depth
219 mm
Depth
8.63 in
Finish
Powder Coated
Frequency Rating
50/60 Hz
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
50 Hz
Height
749 mm
Height
29.5 in
Housing Material
Mild Steel
Material
Mild Steel
Max Current
4.9 A
Mechanical Advantage
Stainless steel optional
Model
Surface Mounted
NEMA Rating
12 Indoor, dust-resistant
Nominal Capacity Btu/h
4,000 Btu/h
Nominal Capacity Watts
1,172 W
Nominal Voltage
230 V
Number Of Phases
1
Operating Temperature
-40-131
Operating Temperature
-40-55
Operating Temperature
131 deg F
Operating Temperature
-40-55 °C
Phase
1
Phase
1 Ph
Power
1172 W
Product Family
ProAir
Protection Rating
NEMA Type 12
Remote Access Control
No
Thickness
51.40mm (2.024")
Thickness
18 ga
Thickness
1.21 mm
Type
Air Conditioners
Voltage AC
200-250 V
Voltage Rating
230 VAC
Weight
54 kg
Weight
100 lb
Width
15.75 in
Width
400 mm
Package Dimensions (L x W x H)
18.75 IN x 11 IN x 30.75 IN
Package Dimensions (L x W x H)
47.625 cm x 27.94 cm x 78.105 cm
Package Weight (Imperial)
100.000 L
Package Weight (Metric)
45.360 kg
ProAir Harsh Environment Outdoor 3R CR29, 4000BTU 230V, Lt Gray, Steel

CR290426G022

ProAir Harsh Environment Outdoor 3R CR29, 4000BTU 230V, Lt Gray, Steel
DTT 6201 230V SC 7035

13256241055

DTT 6201 230V SC 7035
AC Unit 7,500 BTU/H 230 V - NEMA 12 - Lt. Gray

DTS3241A230LG

AC Unit 7,500 BTU/H 230 V - NEMA 12 - Lt. Gray
ProAir Harsh Environment Indoor CR29, 2700BTU 230V, Lt Gray, Steel

CR290226G002

ProAir Harsh Environment Indoor CR29, 2700BTU 230V, Lt Gray, Steel
AC, Side Mtg 230v 50/60Hz, Bulletin MCL (Air Conditioners), Size/Dims: 800/1000 BTU, Material/Finish: Steel/LtGray

M130126G1008

AC, Side Mtg 230v 50/60Hz, Bulletin MCL (Air Conditioners), Size/Dims: 800/1000 BTU, Material/Finish: Steel/LtGray
AC, Side Mtg 115v 50/60Hz, Bulletin MCL (Air Conditioners), Size/Dims: 1500/1800 BTU, Material/Finish: Steel/LtGray

M170216G009

AC, Side Mtg 115v 50/60Hz, Bulletin MCL (Air Conditioners), Size/Dims: 1500/1800 BTU, Material/Finish: Steel/LtGray
AC, Side Mtg 230v 50/60Hz, Bulletin MCL (Air Conditioners), Size/Dims: 1500/1800 BTU, Material/Finish: Steel/LtGray

M170226G004

AC, Side Mtg 230v 50/60Hz, Bulletin MCL (Air Conditioners), Size/Dims: 1500/1800 BTU, Material/Finish: Steel/LtGray
AC, Side Mtg 115v 50/60Hz, Bulletin MCL (Air Conditioners), Size/Dims: 1800/2200 BTU, Material/Finish: Steel/LtGray

M280216G013

AC, Side Mtg 115v 50/60Hz, Bulletin MCL (Air Conditioners), Size/Dims: 1800/2200 BTU, Material/Finish: Steel/LtGray

How to Install the CR290426G017 Air Conditioner

This guide provides step-by-step instructions for installing and configuring the CR290426G017 air conditioner, ensuring proper functionality and safety.

Estimated time: 45m

Tools needed:

Screwdriver, Wrench, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Gasket kit, Terminal connectors

  1. Inspect the air conditioner

    Check for any visible damage and ensure the unit is functioning properly before installation. Do not operate the unit if it has been in a horizontal position; allow it to stand upright for at least five minutes.

  2. Prepare the mounting area

    Using the cutout dimensions provided in the manual, prepare the air 'IN' and 'OUT' openings and the mounting bolt hole pattern on the enclosure.

  3. Install gaskets

    Apply the gasket kit to the rear of the air conditioner to ensure a proper seal before mounting.

  4. Mount the air conditioner

    Secure the air conditioner to the enclosure using the provided mounting bolts and washers. Start bolts by hand to avoid cross-threading, then tighten with a wrench.

  5. Connect the power supply

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

  6. Test the air conditioner

    Before finalizing the installation, power on the unit and allow it to run for 5 to 10 minutes. Check for excessive noise or vibration and ensure the compressor and blowers are operating correctly.

  7. Adjust the temperature controller

    If necessary, adjust the Level I temperature controller located inside the air conditioner by turning the adjustment screw to set the desired temperature.

  8. Finalize installation

    Close the front panel of the air conditioner and secure it with the front panel screw. Restore power to the unit for 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.