Metrohm NIRS XDS Process Analyzer – SingleFiber - Manual (Page 21)

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FAULT CONDITIONS
Each of these conditions is considered abnormal.
Loss of Safe Pressure
Power Shutdown Delay Timer Activated
Enclosure Power De-Energized
Display Alarm Option selected at factory
to provide Immediate Alarm
ENCLOSURE
POWER
DISENGAGED
SAFE
ENCLOSURE
PRESSURE
RAPID
EXCHANGE
FLOW
RAPID
EXCHANGE
TIMER
HIGH
ENCLOSURE
PRESSURE
ENCLOSURE
POWER
ENGAGED
PRESSURE
LOSS
ALARM
SYSTEM
CONTROL
BYPASSED
POWER
SHUTDOWN
DELAY
EMERGENCY
POWER
SHUTDOWN
RAPID
EXCHANGE
OVERRIDE
EPCU
POWER
ENGAGED
HEP SEP SDT RET
SERIES 4000 ELECTRONIC POWER CONTROL UNIT
Emergency Shutdown
Enclosure Power De-Energized
ENCLOSURE
POWER
DISENGAGED
SAFE
ENCLOSURE
PRESSURE
RAPID
EXCHANGE
FLOW
RAPID
EXCHANGE
TIMER
HIGH
ENCLOSURE
PRESSURE
ENCLOSURE
POWER
ENGAGED
PRESSURE
LOSS
ALARM
SYSTEM
CONTROL
BYPASSED
POWER
SHUTDOWN
DELAY
EMERGENCY
POWER
SHUTDOWN
RAPID
EXCHANGE
OVERRIDE
EPCU
POWER
ENGAGED
HEP SEP SDT RET
SERIES 4000 ELECTRONIC POWER CONTROL UNIT
Enclosure Power Bypass
Enclosure Power Maintained
(If Bypass Mode is Utilized)
Optional Bypass Alarm Option provides alarm
contacts when Bypass Mode is utilized
ENCLOSURE
POWER
DISENGAGED
SAFE
ENCLOSURE
PRESSURE
RAPID
EXCHANGE
FLOW
RAPID
EXCHANGE
TIMER
HIGH
ENCLOSURE
PRESSURE
ENCLOSURE
POWER
ENGAGED
PRESSURE
LOSS
ALARM
SYSTEM
CONTROL
BYPASSED
POWER
SHUTDOWN
DELAY
EMERGENCY
POWER
SHUTDOWN
RAPID
EXCHANGE
OVERRIDE
EPCU
POWER
ENGAGED
HEP SEP SDT RET
SERIES 4000 ELECTRONIC POWER CONTROL UNIT
2.5
Definition of Terms
BEBCO
BEBCO is the manufacturer of the 4003 Type X Rapid Exchange Control System. The specific model is
the 4003-FA-CI-Type X.
Enclosure Protection Vent
This is the vent on top of the enclosure. Do not remove the top nuts on this vent cap. This assembly
contains a pressure control valve, surrounded by a spark arrestor.
EPCU
Electronic Power Control Unit. This is the round green housing with Display/Interface LED panel in the
face.