Chromatographic Troubleshooting
Electronic pressure control
221
Switch setting examples
EPC A or EPC B
MODE A or MODE B
IN A0 or IN B0
IN A1 or IN B1
LEFT, Electronic Pressure Control present / RIGHT,
Electronic Pressure Control not present
LEFT, (FPR) Programmable Cool On-Column Inlet &
Purged Packed Inlet / RIGHT, (BPR) Split/Splitless
Capillary Inlet
RIGHT, currently unused PID
LEFT, Programmable Cool On-Column (PID) /
RIGHT, Purged Packed Inlet & Split/Splitless Capillary
Inlet (PID)
EPC A
MODE A
IN A0
IN A1
EPC B
MODE B
IN B0
IN B1
INLET B = Split/Splitless Inlet with Electronic Pressure
Control
INLET A = Any Non-Electronic Pressure Controlled Inlet
RIGHT
LEFT
LEFT = OPEN
RIGHT = CLOSED
RIGHT
RIGHT
RIGHT
RIGHT
This group of switches controls the
A position inlet. If another
electronic
pressure controlled
inlet is installed in the
A position, this group of switches must be
set according to the instructions for that
particular inlet.
NOTE
RIGHT
RIGHT
EXAMPLE
