Safe Air Technology offers our combination Air Conditioning system with Room Purge and Pressurization system. These combination systems are offered in a variety of standard designs as well as fully custom, including Wall-Mount and Roof or Skid Mounted designs. The capacities range from 1 to over 200 Tons with many options available. These Severe Duty systems are designed by our professional engineering staff and are fully documented and certified for operational performance and compliance to both NEC and IEC codes related to NFPA 70 Article 500-505 for Hazardous Environments as well as NFPA 496 Type Z Room Purge and Pressurization. Whether the area is Class 1 or 2, Division 1 or 2, Zone 1 or 2, let our Sales and Engineering Departments work with you to offer a system that will comply with 100% of your specifications for both classification and Severe Duty operation. We look forward to serving your needs. Please contact Safe Air Technology if you need assistance selecting a product.VACPB1 (50 Hz) Series Vertical Wall Mounted with Pressurization UnitDivision II and Zone IINFPA 496 Compliant12, 000 to 72, 000 BTUHR Cooling CapacityPressurization System Incorporated50 Hertz ModelsCSA Third Party CertifiedStandard Features All Electrical Components UL andor CSA CertifiedMaintenance Friendly General Purpose Control Box Included for ACHigh and Low Pressure Safety Switches InstalledSystem Shut-down Circuit Provided in Case of Gas or Smoke Detection (Gas Detectors Provided by Others)R-410 Refrigerant InstalledNon Sparking Condenser Fan BladeTwin Blowers to Move Air More QuietlyBuilt-in Full Length Mounting BracketsMotors are Easily Accessible for Fast and Easy MaintenanceUnit Fully Tested for Operational Performance and NEC ComplianceLoss of Room Pressure Light Installed