Teledyne 9110T - Nitrogen Oxides Analyzer - Manual (Page 65)

Model 9110TH NOx Analyzer Getting Started
Teledyne Analytical Instruments 65
Figure 3-22: Pneumatics with Zero/Span Valves OPT 50A
Table 3-9: Zero/Span Valves Operating States OPT 50A
MODE VALVE CONDITION
VALVE PORT
STATUS
SAMPLE
Sample/Cal Open to SAMPLE inlet 3  2
Zero/Span Open to ZERO AIR inlet 3  2
ZERO CAL
Sample/Cal Open to ZERO/SPAN Valve 1  2
Zero/Span Open to ZERO AIR inlet 3  2
SPAN CAL
Sample/Cal Open to ZERO/SPAN Valve 1  2
Zero/Span Open to SPAN inlet 1  2