Exair Stainless Steel ATEX Thermostat Control Systems

Exair Stainless Steel ATEX Thermostat Control Systems

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Exair Stainless Steel ATEX Thermostat Control Systems

Stainless Steel thermostat controlled ATEX Cabinet Cooler Systems are engineered and approved for use upon purged electrical enclosures found within classified areas. These ATEX Cabinet Cooler Systems have been tested by UL and meet the stringent ATEX requirements for these areas. Cabinet Cooler Systems are a low cost and reliable way to cool purged electric control panels founds in the environments. The areas approved are Zones 2 and 22. ATEX Cabinet Coolers are available in cooling capacities from 1,000 Btu/hr. to 5,600 Btu/hr. They can be installed in minutes through a standard electrical knockout. Thermostat control systems are the most efficient way to operate a Cabinet Cooler. They save air by activating the cooler only when internal temperatures approach critical levels. Thermostat controlled cooler systems are the best option when experiencing fluctuating heat loads caused by environment or seasonal changes. Standard thermostat control systems include an adjustable thermostat factory set at 95°F (35°C). ATEX Cabinet Coolers incorporate a low pressure relief valve which closes and seals when the cooler is not operating to maintain the integrity of a NEMA 4X enclosure (dust-tight, oil-tight, splash resistant, indoor/outdoor service, corrosion resistant). Each of these systems include a water-dirt filter separator to prevent water condensate and dirt from entering your enclosure and a cold air distribution kit used to direct the air for circulation or on to hot spots. All Cabinet Coolers are CE compliant. EXAIR's ATEX Cabinet Cooler Systems are not purged and pressurized control systems and should not be relied upon nor used in place of a purged and pressurized controller. They are meant for use in conjunction with a purged and pressurized control system.

Applications

  • Programmable controllers
  • Line control cabinets
  • Motor control centers
  • Relay panels
  • NC/CNC systems
  • Modular control centers
  • CCTV cameras
  • Computer cabinets
  • Laser housings
  • Electronic scales

Stainless Steel ATEX Cabinet Cooler Advantages

  • Rated for Zone 2 and 22
  • Low cost, compact
  • Cooling capacities up to 5,600 Btu/hr. (1,641 Watts)
  • Quiet
  • Install in minutes
  • Maintain NEMA 4X integrity (IP66)
  • Stabilize enclosure temperature and humidity
  • No CFC's
  • No moving parts - maintenance free
  • Mount in standard electrical knockout
  • Stop nuisance tripping
  • Stop heat damage
  • Eliminate fans and filters
  • Eliminate lost production
  • Stop circuit drift
  • Stop dirt contamination
  • Provide washdown protection

ATEX Cabinet Cooler Systems, Thermostat Control, Type 303 Stainless Steel

Model Btu/hr. (Watts)
ATEX4815SS 1,000 (293)
ATEX4825SS 1,700 (498)
ATEX4830SS 2,000 (586)
ATEX4840SS 2,800 (821)
ATEX4850SS 3,400 (997)
ATEX4860SS 4,000 (1,008)
ATEX4870SS 4,800 (1,210)
ATEX4880SS 5,600 (1,641)

ATEX Cabinet Cooler Systems, Thermostat Control, Type 316 Stainless Steel

Model Btu/hr. (Watts)
ATEX4815SS-316 1,000 (293)
ATEX4825SS-316 1,700 (498)
ATEX4830SS-316 2,000 (586)
ATEX4840SS-316 2,800 (821)
ATEX4850SS-316 3,400 (997)
ATEX4860SS-316 4,000 (1,008)
ATEX4870SS-316 4,800 (1,210)
ATEX4880SS-316 5,600 (1,641)

ATEX Cabinet Cooler Systems - 240V, Thermostat Control, Type 303 Stainless Steel

Model Btu/hr. (Watts)
ATEX4815SS-240 1,000 (293)
ATEX4825SS-240 1,700 (498)
ATEX4830SS-240 2,000 (586)
ATEX4840SS-240 2,800 (821)
ATEX4850SS-240 3,400 (997)
ATEX4860SS-240 4,000 (1,008)
ATEX4870SS-240 4,800 (1,210)
ATEX4880SS-240 5,600 (1,641)

ATEX Cabinet Cooler Systems - 240V, Thermostat Control, Type 316 Stainless Steel

Model Btu/hr. (Watts)
ATEX4815SS-316-240 1,000 (293)
ATEX4825SS-316-240 1,700 (498)
ATEX4830SS-316-240 2,000 (586)
ATEX4840SS-316-240 2,800 (821)
ATEX4850SS-316-240 3,400 (997)
ATEX4860SS-316-240 4,000 (1,008)
ATEX4870SS-316-240 4,800 (1,210)
ATEX4880SS-316-240 5,600 (1,641)

ATEX Cabinet Cooler Systems - 24VDC, Thermostat Control, Type 303 Stainless Steel

Model Btu/hr. (Watts)
ATEX4815SS-24VDC 1,000 (293)
ATEX4825SS-24VDC 1,700 (498)
ATEX4830SS-24VDC 2,000 (586)
ATEX4840SS-24VDC 2,800 (821)
ATEX4850SS-24VDC 3,400 (997)
ATEX4860SS-24VDC 4,000 (1,008)
ATEX4870SS-24VDC 4,800 (1,210)
ATEX4880SS-24VDC 5,600 (1,641)

ATEX Cabinet Cooler Systems - 24VDC, Thermostat Control, Type 316 Stainless Steel

Model Btu/hr. (Watts)
ATEX4815SS-316-24VDC 1,000 (293)
ATEX4825SS-316-24VDC 1,700 (498)
ATEX4830SS-316-24VDC 2,000 (586)
ATEX4840SS-316-24VDC 2,800 (821)
ATEX4850SS-316-24VDC 3,400 (997)
ATEX4860SS-316-24VDC 4,000 (1,008)
ATEX4870SS-316-24VDC 4,800 (1,210)
ATEX4880SS-316-24VDC 5,600 (1,641)

Accessories

Side Mount Kits

Side Mount Kits for ATEX Cabinet Coolers

EXAIR's Side Mount Kits make mounting on the side of an electrical enclosure possible when there is limited space on the top or side. (ATEX Cabinet Cooler Systems must be mounted vertically.) Side Mount Kits maintain the NEMA rating of large and small NEMA Type 4 and 4X enclosures. They mount in a standard electrical knockout (1-1/2 NPS) and are constructed of Type 303 or Type 316 stainless steel.

 

Heat Can Stop Your Machines

It happens when you least expect it. High temperatures can cook the electronics that control your machines, resulting in erroneous readings, trip-outs or fried circuit boards. Cooling the electrical cabinet can eliminate these problems, but how will you do it?

Fans

Fans

Opening the panel door and aiming a fan at the circuit boards is a bad idea.

  • It is an OSHA violation that presents a shock hazard to personnel
  • The fan blows hot, humid, dirty air at the electronics
  • The cooling effect is minimal
  • It is likely to fail again since the environment is still hot
Heat Exchangers

Heat Exchangers and Heat Pipes

These have serious limitations. On hot summer days when the temperatures of the room and inside the enclosure are about equal, there’s not enough difference for effective heat exchange.

  • They fail when dust and dirt clog the filter
  • The cooling capacity is limited due to ambient conditions
Refrigerant Panel Air Conditioners

Refrigerant Panel Air Conditioners

These coolers are prone to failure in dirty, industrial environments when dust and dirt clogs the filter.

  • It takes almost a day to install
  • Vibration from machinery causes refrigerant leaks and component failures
  • Compressor life expectancy is typically 2.5 years of continuous operation
  • It requires a floor drain for the condensation
  • Thermostat control can decrease compressor life
  • Average cost for replacing a bad compressor is $750
EXAIR Cabinet Cooler Systems

EXAIR Cabinet Cooler Systems

EXAIR has a complete line of Cabinet Cooler Systems to dependably cool and purge your electrical enclosures. They convert an ordinary supply of compressed air into clean, cold 16ºF (-9°C) air. They mount in minutes through an ordinary electrical knockout and have no moving parts to wear out. Compressed air filtration is provided that keeps water, oil and other contaminants out of the enclosure.

  • There is no room air filter to clog
  • An accurate electrical thermostat control minimizes compressed air use
  • They are the only compressed air powered coolers that are CE compliant

What is an ATEX Cabinet Cooler System?

ATEX Cabinet Cooler Systems are engineered and approved for use upon purged electrical enclosures (not included) found within ATEX zoned areas. The areas approved are Zone 2 and 22. EXAIR’s ATEX Cabinet Cooler Systems are a low cost and reliable way to cool purged electric control panels found within these environments. They utilize vortex tube technology to produce up to 5,600 Btu/hr, with no moving parts, which additionally creates a low maintenance solution for cooling your ATEX purged cabinets.

The compact Cabinet Cooler is an easy to use air conditioner that can be installed in minutes through a standard electrical knockout. ATEX Cabinet Coolers that match the NEMA rating of the enclosure are available in many cooling capacities for large and small control panels.

Why EXAIR ATEX Cabinet Coolers?

EXAIR’s ATEX Cabinet Cooler Systems have been set apart from the competition by being certified for Zone 2 and 22 environments. Thermostatically controlled systems are recommended for the highest efficiency and include ATEX approved solenoids, also for hazardous environments. EXAIR Cabinet Cooler Systems will install upon your purged enclosure in minutes, require little to no maintenance and operate under the toughest of industrial conditions. If you require low cost, ease of use and/or reliability – an ATEX Cabinet Cooler System will meet your needs.

EXAIR ATEX Cabinet Cooler Systems are available in 8 different cooling capacities from 1,000 Btu/hr. to 5,600 Btu/hr. This range of cooling allows for choosing the best fit for your cooling needs without wasting compressed air.

Cabinet Cooler Systems protect your electronics from heat, dirt and moisture and keep your processes running. They are the low-cost solution to messy, high maintenance coolant-based air conditioners with simple installation. With modern technology comes an increased number of small electronic components packed into smaller electronic cabinets. This creates a high internal heat load which increases the failures due to heat. Components will fail, sensors will misread, controls can drift and displays become inaccurate. EXAIR ATEX Cabinet Coolers can solve these problems and prevent lost productivity, shutdown and the expense of new components.

Safety

EXAIR's ATEX Cabinet Cooler Systems are not purged and pressurized control systems and should not be relied upon nor used in place of a purged and pressurized controller. They are meant for use in conjunction with a purged and pressurized control system.

Any control systems and accessories not rated for the ATEX zone need to be moved outside of the ATEX zone or inside a properly purged and pressurized enclosure which is suitable for the ATEX zone.

Thermostat Control

Each different ATEX Cabinet Cooler System is available with a thermostat control or as a continuous operation system. Each of these systems will include a water-dirt filter separator to prevent water condensate and dirt from entering your enclosure and cold air distribution kit used to direct the air for circulation and onto hot spots. ATEX Cabinet Cooler Systems are also available in Type 303 and Type 316SS for highly corrosive environments.

EXAIR Cabinet Coolers provide cold air for large and small control panels and are maintenance free. They have no moving parts to wear out and have a five year “Built To Last” warranty.

Stainless Steel ATEX Cabinet Coolers

Stainless Steel ATEX Cabinet Cooler systems are dust and oil tight, splash resistant, indoor/outdoor capable and corrosion resistant. By incorporating a low pressure valve for all air exhaust, the valve closes and seals when not operating to maintain NEMA 4X enclosure integrity.

Thermostat control systems (Models ATEX4815SS-ATEX4880SS) are the most efficient system because it will turn itself on and off as needed to cool your enclosure. Includes cooler, solenoid valve and thermostat, filter separator and cold air distribution kit. Models are available in 110VAC, 240VAC and 24VDC.

Continuous operation systems (Models ATEX4715SS-ATEX4780SS) include the cooler, a filter separator and cold air distribution kit.

Dual Cabinet Cooler systems (Models ATEX##50SS-ATEX##80SS) provide for additional cooling.

Performance

 

ATEX Cabinet Cooler with Thermostat Control - Performance, Type 303 Stainless Steel

Model Capacity Sound Level dBA
Btu/hr. Watts
ATEX4815SS, ATEX4815SS-240, ATEX4815SS-24VDC 1,000 293 73
ATEX4825SS, ATEX4825SS-240, ATEX4825SS-24VDC 1,700 498 80
ATEX4830SS, ATEX4830SS-240, ATEX4830SS-24VDC 2,000 586 80
ATEX4840SS, ATEX4840SS-240, ATEX4840SS-24VDC 2,800 821 82
ATEX4850SS, ATEX4850SS-240, ATEX4850SS-24VDC 3,400 997 84
ATEX4860SS, ATEX4860SS-240, ATEX4860SS-24VDC 4,000 1,171 84
ATEX4870SS, ATEX4870SS-240, ATEX4870SS-24VDC 4,800 1,406 84
ATEX4880SS, ATEX4880SS-240, ATEX4880SS-24VDC 5,600 1,641 85

ATEX Cabinet Cooler with Thermostat Control - Performance, Type 316 Stainless Steel

Model Capacity Sound Level dBA
Btu/hr. Watts
ATEX4815SS-316, ATEX4815SS-316-240, ATEX4815SS-316-24VDC 1,000 293 73
ATEX4825SS-316, ATEX4825SS-316-240, ATEX4825SS-316-24VDC 1,700 498 80
ATEX4830SS-316, ATEX4830SS-316-240, ATEX4830SS-316-24VDC 2,000 586 80
ATEX4840SS-316, ATEX4840SS-316-240, ATEX4840SS-316-24VDC 2,800 821 82
ATEX4850SS-316, ATEX4850SS-316-240, ATEX4850SS-316-24VDC 3,400 997 84
ATEX4860SS-316, ATEX4860SS-316-240, ATEX4860SS-316-24VDC 4,000 1,171 84
ATEX4870SS-316, ATEX4870SS-316-240, ATEX4870SS-316-24VDC 4,800 1,406 84
ATEX4880SS,-316 ATEX4880SS-316-240, ATEX4880SS-316-24VDC 5,600 1,641 85


Cooling Capacity at 100 PSIG (6.9 BAR) Supply Pressure.

Dimensions

ATEX Cabinet Cooler Dimensions

Models ATEX4815SS, ATEX4815SS-316, ATEX4825SS, ATEX4825SS-316, ATEX4830SS, ATEX4830SS-316, ATEX4840SS, ATEX4840SS-316
ATEX Cabinet Cooler Dimensions

 

How ATEX Cabinet Coolers Work

 How the Cabinet Cooler Works

Compressed air enters the vortex tube powered Cabinet Cooler and is converted into two streams, one hot and one cold. Hot air from the vortex tube is muffled and exhausted through the vortex tube exhaust. The cold air is discharged into the control cabinet through the cold air distribution kit. The displaced hot air in the cabinet rises and exhausts to atmosphere through the cabinet air exhaust at a slight positive pressure. Thus, the control cabinet is both cooled and purged with cool, clean air. Outside air is never allowed to enter the control panel.

Other Considerations

Systems for continuous operation include a Cabinet Cooler, distribution kit and filter.
Systems for continuous operation include a Cabinet Cooler, cold air distribution kit and filter.
Systems with thermostat control include a Cabinet Cooler, thermostat, solenoid valve, cold air distribution kit and filter.
Systems with thermostat control include a Cabinet Cooler, thermostat, solenoid valve, cold air distribution kit and filter.

Any control systems or accessories not rated for the hazardous location need to be moved outside of the hazardous area or inside a properly purged and pressurized enclosure which is suitable for the hazardous area.

Filtration:

EXAlR Cabinet Cooler Systems include a 5 micron automatic drain water and dirt filter. This filter is critical for protection of electronics from water and dirt in the compressed air line. If oil is present in the compressed air supply, the addition of a coalescing (oil removal) filter, such as EXAlR Model 9005, is recommended.

Cold Air Distribution Kit includes tubing, adhesive clips and fittings.
Cold Air Distribution Kit includes tubing, adhesive clips and fittings.

Cold Air Distribution Kit:

The kit includes a length of flexible vinyl tubing used to direct the cold air for circulation, or to hot spots. Tubing connectors and adhesive backed clips to hold the tubing in place are provided.

Humidity:

For a continuous operating Cabinet Cooler, relative humidity inside the enclosure stabilizes at 45%. No moisture condenses inside the enclosure. (The enclosure must be sealed to prevent condensation.)

Inlet Air Temperature:

Cabinet Cooler Systems provide a 54°F (30°C) temperature drop from supply air temperature when the inlet pressure is 80 PSIG (5.5 BAR). Elevated inlet temperature will produce a corresponding rise in cold air temperature and reduction in cooling capacity. Low air pressures will also reduce the cooling capacity.

Mounting:

The Cabinet Cooler mounts to the enclosure through a drilled hole or electrical knockout. Side Mount Kits are available. ATEX Cabinet Coolers must be mounted vertically if a Side Mount Kit is used (Model 4906 - Small; Model 4907 - Large).

Solenoid Valve and Thermostat.
Solenoid Valve and Thermostat

Solenoid Valve and Thermostat:

ATEX Cabinet Cooler Systems with thermostat control include a solenoid valve and thermostat that limit the flow of compressed air to only when cooling is needed. The solenoid valve is rated 120V, 60Hz or 110V, 50Hz. It is ATEX Certified. 

 

 

The thermostat is factory set at 95°F (35°C). It will normally hold ±2°F (1°C) inside the cabinet. It is rated 24VAC-240VAC, 50/60Hz, 24VDC and is UL Recognized and CSA Certified.
UL Recognized CSA Certified

 

 

Selecting The Right Cabinet Cooler® System

A dangerous shock hazard exists when the panel door is opened to let a fan blow hot, dirty shop air at the electronics.
A dangerous shock hazard exists when the panel door is opened to let a fan blow hot, dirty shop air at the electronics.

With or Without Thermostat Control

EXAIR Cabinet Coolers are available with or without thermostat control. The continuous coolers (Model ATEX4700 series) are recommended when constant cooling and a constant positive purge are desirable. The thermostatically controlled systems (Model ATEX4800 series) save air by activating the cooler only when internal temperatures approach critical levels. The adjustable thermostat is factory set at 95°F (35°C). Thermostatic systems are recommended where heat load fluctuates and continual purge is not required.

All EXAIR Cabinet Cooler Systems contain a 5 micron Automatic Drain Filter for the compressed air supply and a Cold Air Distribution Kit to circulate the cold air throughout the enclosure.

Environmental Considerations

Aluminum ATEX Cabinet Coolers incorporate a low pressure relief valve for both the vortex tube and cabinet air exhaust. This valve closes and seals when the cooler is not operating, to maintain the integrity of a NEMA 4 enclosure (dust-tight, oil-tight, splash resistant, indoor/outdoor service).

Stainless Steel ATEX Cabinet Coolers offer the same protection as aluminum, but are constructed of stainless steel for food service, pharmaceutical and corrosive environments (corrosion resistant).

Standards & Certifications

 

ATEX Cabinet Cooler Standards and Certifications

EXAIR ATEX Cabinet Cooler marking

EXAIR's ATEX Cabinet Cooler Systems are rated to be used in Zone 2 and 22 areas.

ATEX
Cabinet Cooler
Certification
OSHA Safe!

EXAIR's ATEX Cabinet Cooler Systems comply with the OSHA Maximum Allowable Noise Exposure standards (29 CFR - 1910.95 (a)). All sound level measurements are taken at 3 feet away.

CE Compliant

EXAIR's ATEX Cabinet Cooler Systems comply with the EU General Product Safety Directive (2001/95/EC) and meet the noise limitation requirements of the EU Machinery Directive (2006/42/EC). All sound level measurements are taken at 3 feet away.

Conflict Mineral Free

Look for this symbol to designate conflict mineral free products throughout our website. EXAIR supports Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act and we are committed to compliance with the conflict minerals rule in order to curb the illicit trade of tin, tantalum, tungsten and gold in the DRC region. EXAIR is using the CMRT 3.02 template to document our supply chain and commitment to conflict free products.

 Prop65

  WARNING! Cancer and ReproductiveHarm- www.P65Warnings.ca.gov/product

Special Cabinet Coolers

EXAIR manufactures special NEMA 12 (IP54), 4 (IP66) and 4X (IP66) Cabinet Coolers suited to specific environmental requirements, as well as Side Mount Kits for mounting Cabinet Coolers on the side of enclosures. EXAIR Dual Cabinet Cooler Systems, High Temperature Cabinet Coolers, Non-Hazardous Purge Cabinet Coolers and Type 316 Cabinet Coolers are now available from stock.

Dual Cabinet Cooler Systems are available in NEMA 12, 4, and 4X models.
Dual Cabinet Cooler Systems are available in NEMA 12, 4, and 4X models.

EXAIR's Dual Cabinet Cooler Systems (shown left) are ideal for large electrical enclosures and high heat loads. Dual Cabinet Coolers are available with cooling capacities of 3,400 (997 Watts), 4,000 (1,171 Watts), 4,800 (1,406 Watts) and 5,600 Btu/hr. (1,641 Watts). For more information, contact an Application Engineer.

High Temperature Cabinet Coolers for ambients up to 200°F (93°C) are available.
High Temperature Cabinet Coolers for ambients up to 200°F (93°C) are available.

High Temperature Cabinet Cooler Systems for ambients of 125° to 200°F (52° to 93°C) are available (shown right). Internal components can withstand high temperatures (like those near furnaces, ovens, etc.) High Temperature Dual Cabinet Cooler Systems are also available.

The continuous purge of the NHP Cabinet Cooler System keeps dirt, heat and moisture out of the enclosure.
The continuous purge of the NHP (Non-Hazardous Purge) Cabinet Cooler System keeps dirt, heat and moisture out of the enclosure.

Non-Hazardous Purge Cabinet Cooler Systems (shown left) are ideal for dirty areas where contaminants might normally pass through small holes or conduits. Under normal conditions, the NHP Cabinet Cooler System provides a slight positive pressure in the enclosure by passing 1 SCFM (28 SLPM) of air through the cooler, when the solenoid valve is in the closed position. When the thermostat detects high temperature, it energizes the solenoid valve to pass full line pressure to the Cabinet Cooler, giving it full cooling capability. The continuous purge of the NHP Cabinet Cooler System keeps dirt, heat and moisture out of the enclosure.

316SS Cabinet Coolers use Type 316 stainless steel which is more resistant to corrosive conditions than other stainless steels.
316SS Cabinet Coolers use Type 316 stainless steel which is more resistant to corrosive conditions than other stainless steels.

Type 316 Stainless Steel NEMA 4X Cabinet Cooler Systems (shown right) are suitable for food service, pharmaceutical, harsh and corrosive environments, and other applications where 316SS is preferred. Capacities from 650 to 5,600 Btu/hr. (192 to 1,641 Watts) are available.

 

 

 


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