Documentation

ICExp Product Data Sheet (New) (pdf - 7143 KB)
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ICExp EXNA12-240 Installation/Operation Manual (New) (pdf - 3212 KB)
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ICExp EXN-OLG Room Pressurizer PDS (New) (pdf - 3620 KB)
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ICExp EXN-OLG Room Pressurizer I&O Manual (New) (pdf - 4077 KB)
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ICExp Increased Safety Brochure (Rev.4) English (pdf - 1794 KB)
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ICExp Increased Safety Brochure (New) Spanish (pdf - 1824 KB)
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Email: icesales@airxcel.com
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ICExp Increased Safety

ICExp Pressurization ModuleIndustrial Climate Engineering’s® (ICE) EXN and OLG pressurization units are a series of HVAC unit mount or wall mount systems for hazardous or general purpose locations that provide automatic room pressurization and/or purging for electronic equipment shelters, process control centers, E-Houses, and other sealed buildings. The series includes multiple sizes ranging from 500 CFM up to 4,000 CFM. Standard operating room pressures are 0.1 INWC for pressurization purposes and 0.35 INWC for room purge operation. Different set points are available upon request.

Industrial Climate Engineering’s larger pressurization units (4,000 CFM) feature an analog controlled 3-phase motor with a backward inclined impeller and the necessary controls for either basic pressurization or purge/pressurization operation. The smaller (0500 through 2,000) units utilize a single-phase AC motor with an adjustable blower wheel inlet damper and the necessary controls for either basic pressurization or purge/pressurization.

ICE general-purpose units typically are utilized in only a basic pressurization mode and come with the pressurization motor and housing, motor control panel (attached to pressurizer housing) and a room pressure transmitter/controller. General purpose (ordinary location) units can be specified as either a PR for pressurization only or a PP for purge/pressurization.

ICE hazardous units are typically utilized in purge/pressurization mode and come with the pressurization motor and housing, motor control panel (attached to pressurizer housing), hazardous area purge control panel for remote installation and a room pressure transmitter/controller in a NEMA 7 explosion proof instrument housing. Units for hazardous locations can be specified as either a PR for pressurization only or a PP for purge/pressurization. The remote purge control panel is designed with ON-OFF controls and automatic or manual controls for purge and pressure set-point control.

The pressurizers are designed for easy installation and service. Major components are accessible for service beneath external panels. If pressurizers are ordered as unit mount, they will come assembled to the HVAC unit with built in knee bracing. If they are ordered as wall mount, they will ship separately with either a floor stand or wall mount knee bracing.

All units have internal disconnects. Depending upon state and local code requirements, this feature may eliminate the need for an external breaker or disconnect.

  • Increased Safety Certified by an internationally recognized leader in IECEx certification (pending)
    North America (NEC): Class I, Division 2 – Group A, B, C, D, Temp Code T3 (12,000 - 72,000 BTUH available now, 90,000 - 240,000 BTUH available late 2017)
    Europe (ATEX): Class I, Zone 2, Group IIC (In design)
    Middle East: Class I, Zone 2, Group IIC (In design)
  • Available from 12,000 BTUH (3.5Kw) to 300,000 BTUH (87.9Kw)

For detailed specifications, performance, and efficiency information, download the Product Data Sheet from the document list on this page.

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