Appendix-B: Risk Analysis - GSi GRAINVUE User Manual

Chapter 3: Appendix

Appendix-B: Risk Analysis

Risk
Electric Shock
Operating in
Explosive
Atmosphere
Unwanted
Access to
Inside of
Equipment
36
Risk Assessment
In normal operation the system is
connected to mains AC voltage
120 VAC to 240 VAC, this voltage is
potentially dangerous to operators.
Parts of the system are not
designed to be installed in an
environment where explosive gas
or dust may be present.
The equipment is designed for
outdoor operation, opening the
equipment may compromise the
operation, and potentially cause
electric shock risk.
Risk Mitigation
• The Power Supply Unit is labeled with the
warning marking below to indicate potential risk.
• The Fan Control Module is equipped with a
lockable door to prevent unwanted access.
• The user is instructed to removing the AC voltage
before opening the box.
• Users are instructed NOT to install the Fan
Control Module inside of a grain bin.
• Users are instructed NOT to power on the system
until every component is fully installed.
• Warning sign is used to remind the operator of
potential risk.
• All external terminals have locking mechanisms
to prevent accidental disconnection.
• All external terminals have proper outdoor
ratings.
• The Fan Control Module is equipped with a
lockable door to prevent unwanted access.
• The Plenum and Outdoor Sensors are not
designed to be user serviceable. Tools are
required to open the unit.
PNEG-2394 Fan Control Module