Figure 3-15. Pneumatic Diagram Of The T101 With Z/S Option Installed; Table 3-10. Zero/Span Valve Operating States - Teledyne T101 Operation Manual

Getting Started
ZERO/SPAN (Z/S) VALVE GAS FLOW
INSTRUMENT CHASSIS
SAMPLE GAS
INLET
EXHAUST GAS
OUTLET
SPAN GAS
INLET
ZERO AIR
INLET
ZERO/SPAN
VALVE
NC
NO
COM

Figure 3-15. Pneumatic Diagram of the T101 with Z/S Option Installed

MODE
SAMPLE
ZERO CAL
SPAN CAL
46
EXHAUST TO OUTER
LAYER OF KICKER
FLOW
CONTROL
ASSY
SAMPLE/CAL
VALVE
SENSOR
NO
COM
NC
The following table describes the state of each valve during the analyzer's various
operational modes.

Table 3-10. Zero/Span Valve Operating States

VALVE
Sample/Cal
Zero/Span Open to ZERO AIR inlet
Sample/Cal Open to zero/span inlet
Zero/Span Open to ZERO AIR inlet
Sample/Cal Open to zero/span inlet
Zero/Span Open to SPAN GAS inlet
KICKER EXHAUST TO PUMP
PUMP
Gas Flow when multigas version of
Analyzer is measuring SO
SAMPLE
CHAMBER
PMT
SAMPLE
PRESSURE
SENSOR
FLOW
FLOW / PRESSURE
SENSOR PCA
CONDITION
Open to SAMPLE inlet
Teledyne ML – T101 Operation Manual
MOLYBDENUM
CONVERTER
 H
SO S
2 2
SO
Scrubber
.
2
H S / SO
2 2
MODE VALVE
UV
LAMP
HYDROCARBON
VALVE PORT CONNECTION
NO  COM
NO  COM
NC  COM
NO  COM
NC  COM
NC  COM
2
NC NO
COM
SCRUBBER
(KICKER)
SAMPLE
FILTER