Can a Vortex Cooler be used in a hazardous location (Class 1, Division 1 or 2; or a Class 2; Groups E, F, or G)?
A. Yes, however there are some modifications that are necessary. 1. The Vortex Cooler must be used in conjunction with a purge system. The purge system must be specially prepared for use with the Vortex Cooler. 2. If intending to use one of Vortec’s electrical thermostatically controlled models, our standard solenoid valve and thermostat must be located inside the protected enclosure (click here to see installation drawing). If the thermostat and solenoid valve cannot be located inside the protected enclosure, then they cannot be used in a hazardous area. If an explosion-proof (NEMA type 7 & 9) solenoid valve is used, then the valve may be located outside of the protected enclosure (click here to see installation drawing). 3. Several modifications to the Vortex Cooler itself are necessary: the vent air ports must be plugged and the cold outlet must be closed off when not cooling (either with a solenoid activated on/off vlave or a check valve or whatever alternate means). These modifica
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