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Section 2 Installation
Zeroing GF100 Series Flow from LCD Display Panel
1. Place the GF100 Series under normal inlet operating pressure. Close
the down stream valve to prevent any flow.
2. Looking at the top of the GF100 Series, press the "Display" button until
the LCD display label is "%FS" as shown in Figure 2-8. Three button
depressions from the MACID label display.
3. Press and hold down the Zero button for a minimum of 5 seconds or
until the "%FS" display reads 0.0 as shown in Figure 2-9. The %FS
label will flash during this procedure.
Figure 2-8 Display Set to %FS
Figure 2-9 % Flow Display Set to Zero
Performance Checks
This section describes how to zero and sequence the GF100 Series
devices for proper operation.
•
The GF100 Series must be warmed up for at least 30 minutes.
•
The active gas page must be correct.
•
The GF100 Series pressure transducer must be correctly zeroed.
•
The GF100 Series flow must be correctly zeroed.
