2. Safety
PFC Operation Manual
40
825160-00, revision B
Electrical Hazards
Maximum power consumption for the PFC can be up to 20.8 kVA. The minimum overcurrent
tings for disconnects requires a user-installed circuit breaker that satisfies local electrical code
ge and current that supplies the PFC The user-installed circuit breaker must also
ceed, the minimum AIC rating specified by SEMI S2. Power Supplies converting
cility power may be operating at higher levels of AC in close proximity of the PFC.
ra
for the volta
meet, or ex
fa
WARNING
ELECTRICAL HAZARD
before servicing.
sult in
ns resulting in serious injury or death or cause an
equipment fire and damage to the equipment. Always provide the PFC with the
Maximum power consumption for the PFC can be 800 Watts. Turn off power
Improper electrical connection or connection to an electrical supply can re
electrical shock or bur
proper electrical code compliant connections.
Safety Interlocks
ed for use as a safety
evice), providing operator notification, requiring manual reset, and which places the equipment
ge
ck that uses negative logic. The risk associated with this variance has been deemed
to be acceptable since other interlocks (which use positive logic) are expected to be activated if
abnormally high discharge temperatures occur.
Continued next page
The PFC safety interlock circuitry design is a positive logic, hardware based, fault tolerant
device (approved by an authorized testing agency and NRTL approv
d
in a safe standby condition upon activation. An exception to this is the compressor dischar
safety interlo
