Cascade Sciences CVO-5-EX Series, Руководство по установке и эксплуатации

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INTRODUCTION
A
LLOWED
L
OCATIONS
, M
ATERIALS
,
AND
T
EMPERATURES
Prior to purchasing or installing one of these ovens, verify which hazardous location compliances
are required by the safety authority having jurisdiction in your area for explosive atmospheres
hazards.
Hazardous Location Types
The oven is not a complete solution for explosive atmosphere hazards but intended for use in a
workspace configured to mitigate these hazards. Specifically, the oven is designed for installation
and use in the following classes of hazardous locations.
• IECEx 60079: In locations where explosive concentrations of gasses or vapors are only
present infrequently and for short durations and only as the result of accidents or leaks. The
creation of explosive concentrations around the oven during normal operations is not
allowed.
•
UL 60079 (USA National Differences)
o Zone 2
o Class 1 Zone 2
o Class 1 Division 2
• CSA 60079 Zone 2 (Canada National Differences)
• ATEX 60079 Zone 2 (EU and Great Britain Group and National Differences)
Equipment Type
The oven is classified as the following types of hazardous location equipment.
•
IECEx 60079 EPL category Gc
•
UL 60079 Category 3G
•
CSA 60079 Category 3G
• ATEX 60079 Category 3G
Allowed Hazardous Materials
Per 60079 directives, these ovens are built to safely work with the following material groups. Only
hazardous materials in these groups may be placed in the oven or used in the zone surrounding it.
• IECEx with UL, CSA, and ATEX differences: Material Groups IIA, IIB, and IIC
• UL Class 1 Division 2: Material Groups A – D