2. Safety
PFC Operation Manual
44
825160-00, revision B
Lockout/Tagout (LOTO), Continued
If a service lock or tag is installed, DO NOT remove the tag or energize the circuit without proper
authorization.
WARNING
ELECTRICAL HAZARD
kout/ tagout procedure.
Potentially h
in personal injury.
Contact with energized equipment could cause electric shock and result in death
or serious injury. All hazardous energy supplied to the PFC must be
disconnected from the PFC according to the facility’s loc
azardous conditions may exist that can result
All hazardous energy supplied to the PFC must be disconnected from the PFC according to the
cility’s lockout/ tagout procedure. Potentially hazardous conditions may exist that can result in
ersonal injury.
eneral Lockout/Tagout Guidelines
hen using lockout/tagout procedures, a lock and a tag with a written warning are attached to
alves/switches/circuit breakers that are placed in a SAFE or OFF position to keep equipment
om being set in motion and endangering service personnel. The SAME person shall remove
e lock and tag once the work has been completed. One key is to be provided for each lock
nd must be kept by the person doing the work. The tag and its attachment shall be substantial
nough to avoid accidental removal. The tag and attachment shall be non-reusable, self-locking,
on-releasable
y hand. A nylon cable tie is recommended.
ollowing is a general procedure for Lockout/Tagout:
Table 17. General Lockout/Tagout Procedure
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, and attached b
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Step Action
1.
Prepare to power down the equipment
2.
Shut down the refrigeration unit as described in the Operation section of this Manual.
3.
Locate and switch off the main power source for the refrigeration unit.
4.
Apply the lockout device and tagout label.
5.
If there are any large capacitors in the unit that may pose a danger to your work,
discharge any stored energy in a safe manner.
6.
Use an electrical meter or test device to verify that the equipment is safe to work on.
Proceed with your week when you have determined the unit is safe to work on.
7.
When you have finished working on the unit, remove the lockout device and tagout label,
and restore the unit to operation.
End of procedure
Continued on next page
