Emerson Process Management CFA-3000 User Manual
41
CFA3000 MANUAL
SECTION 7
INSTRUMENT DESCRIPTION
Part
Function
Pump Housing
Contains and protects
valve pump electronics
valve pump electronics
Pump
Valve pump routes
sample and reagents
through the analyzer
sample and reagents
through the analyzer
Reagent Barb Fittings
Male half of tubing
connector. Tubes are
connected to reagents
and sample
connected to reagents
and sample
Reaction Vessel
Assembly
Contains reaction cell,
heating block
heating block
6position Connector
Electrical power to
heating bath
heating bath
9position Connector
Electrical power to pump
LED
Green is OK; RED is
Low pressure
Low pressure
Part
Function
Sample and Reagent
Tubing
Tubing
Colorcoded straws and
labeled tubes for
transport of solutions
labeled tubes for
transport of solutions
“D” Connector
Connects to small, 16pin
connector on CPU boards
connector on CPU boards
Vent Line
Vents reaction cell to
waste
waste
Pump Drip Tray
Catches leaks and
directs them to the leak
detector
directs them to the leak
detector
LEDS
Identify which injector is
active.
active.
7.5
Valve Pump Assembly
The vacuum pump assembly includes the pump, PC
board, and reaction cell.
board, and reaction cell.
Table 7 11: Valve Pump Parts
* Vacuum/Pressure LED is located on the upper right
corner of the ValvePump as it is installed
corner of the ValvePump as it is installed
Figure 75. Valve Pump Assembly