9
Sensor Installation
9.1
Introduction
SiteSentinel® iSite™ sensors (Figure 9-1) must be installed,
positioned, and operated according to all applicable codes. These
codes may include but are not limited to the
National Fire Prevention
Code
and the
National Electrical Code. Check the requirements of
any other applicable codes in the country/region of installation
before beginning.
Due to the variety of surface and soil conditions, a person familiar with
local conditions and codes should determine the placement of
monitoring wells. For best results, a groundwater survey should also
be completed.
All SiteSentinel® iSite™ sensors are intrinsically safe for use in Class
1, Group D, Division 1 and 2 hazardous locations, as defined by the
National Electrical Code. Connect to VSmart Modules using 14- to 18-
AWG twisted-pair wiring and rigid steel conduit. The maximum
distance between a sensor and the VSmart Module is 500 feet (152
m) with 18-AWG wire, or 1,000 feet (305 m) with 14-AWG wire. Seal
off all wiring for vapor protection!
Figure 9-1 Sensor Installation Diagram
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