GAS-Guard 8 and GAS-Guard 3 Operations and Maintenance Guide
810-1734-00 Rev A
4
of
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Product Symbols
The following symbols are used throughout the GAS-Guard or accessories. They are defined by the
International Electrotechnical Commission, IEC 878 and IEC 417A. It is important for safety reasons to
have an understanding of their representation.
Voltage Output
Voltage Input
Fuse
High Voltage
Caution: Refer to GAS-Guard Installation Guide and accompanying
documentation.
Protective earth (ground)
V~
Alternating Current and Voltage
H
Connect to mains live conductor (brown)
L
Connect to mains neutral conductor (blue)
__I__
O
The
I
position indicates the power switch is ON
The
O
position indicates the power switch is OFF
This device has been tested and certified by the Canadian Standards
Association International to comply with applicable U.S. and
Canadian safety standards.
Table 1: Product Symbols
WARNING statements in this manual identify conditions or practices that could result in personal
injury.
CAUTION statements in this manual identify conditions or practices that could result in damage to the
equipment or other property.
NOTE statements provide additional important information.