Chapter - 1
MNL000440.doc
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09/19/2016
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1.10.8
Electrical Hazards
Electric shock could cause personal injury or
death.
The control circuits for the system use 115/220 VAC, 50/60 Hz. Do not attempt to
work on the system without first turning the power off and tagging out and locking
out the electrical supply disconnect switch per plant lock out procedures.
Follow
the Typical Minimal Lockout or Tagout System Procedures described by
Occupational Safety and Health Admin., Labor Para. 1910.147 found in Section
1.11 of this manual.
1.10.9 Purge Gas Backstream Hazard
Avoid low pressure condition in purge gas
cylinder to prevent a backstream hazard.
The purge gas system incorporates a pressure indicating gage which will provide
the means of displaying a low purge gas cylinder pressure condition (usually 200