Emerson Process Management CFA-3000 User Manual

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CFA3000 MANUAL
SECTION 7
INSTRUMENT DESCRIPTION
Part
Function
Pump Housing
Contains and protects 
valve pump electronics
Pump
Valve pump routes 
sample and reagents   
through the analyzer
Reagent Barb Fittings
Male half of tubing 
connector. Tubes are
connected to reagents
and sample
Reaction Vessel   
Assembly
Contains reaction cell,  
heating block
6­position Connector
Electrical power to 
heating bath
9­position Connector
Electrical power to pump
LED
Green is OK; RED is 
Low pressure
Part
Function
Sample and Reagent   
Tubing
Color­coded straws and   
labeled tubes for 
transport of solutions
“D” Connector
Connects to  small, 16­pin  
connector on CPU boards
Vent Line
Vents reaction cell to  
waste
Pump Drip Tray
Catches leaks and  
directs them to the leak  
detector
LEDS
Identify which injector is  
active.
7.5
Valve Pump Assembly
The vacuum pump assembly includes the pump, PC
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
Figure 7­5. Valve Pump Assembly