Pneumatic Layout For Ambient Zero/Pressurized Span Option; Figure 3-24: Internal Pneumatic Flow Opt 50B - Zero/Span/Shutoff Valves; Table 3-9: Zero/Span Valve Operating States For Option 50B - Teledyne T300 Operation Manual

Teledyne API – Model T300/T300M CO Analyzer

3.3.2.6. PNEUMATIC LAYOUT FOR AMBIENT ZERO/PRESSURIZED SPAN OPTION

Sample
SAMPLE
Gas
GAS INLET
In
Span
PRESSURE
Gas
SPAN INLET
In
VENT SPAN
OUTLET
Zero
ZERO AIR
Gas
INLET
In
EXHAUST
GAS OUTLET
Figure 3-24:

Table 3-9: Zero/Span Valve Operating States for Option 50B

SAMPLE
(Normal
ZERO CAL
SPAN CAL
06864B DCN6314
•
At least 0.2m long;
•
No more than 2m long and;
•
Vented outside the shelter or immediate area surrounding the instrument.
A similar vent line should be connected to the VENT SPAN outlet on the back of the
analyzer.
E O
XHAUST UTLET
Attach an exhaust line to the analyzer's EXHAUST outlet fitting. The exhaust line
should be:
•
PTEF tubing; minimum O.D ¼";
•
A maximum of 10 meters long;
•
Vented outside the analyzer's enclosure.
Shutoff
Valve
Flow / Pressure
Sensor PCA
PUMP
Sample Gas
Flow Control
Internal Pneumatic Flow OPT 50B – Zero/Span/Shutoff Valves
MODE VALVE
Sample/Cal
Zero/Span
State)
Shutoff Valve
Sample/Cal
Zero/Span
Shutoff Valve
Sample/Cal
Zero/Span
Shutoff Valve
Sample / Cal
Valve
Particulate
Filter
Zero / Span
Valve
SAMPLE CHAMBER
SAMPLE
PRESSURE
SENSOR
FLOW
SENSOR
CONDITION
Open to SAMPLE inlet
Open to IZS inlet
Closed
Open to ZERO/SPAN valve
Open to IZS inlet
Closed
Open to ZERO/SPAN valve
Open to SHUTOFF valve
Open to PRESSURE SPAN Inlet
Getting Started
INSTRUMENT CHASSIS
GFC Motor Heat
Sync
GFC Wheel
Housing
69