3.19 Carrier Gas Regulator Installation
The following instructions are valid for all installations.
3.19.1 Materials
• Carrier regulator assembly with low pressure switch (see Figure 3-39
)
• Installed carrier gas bottle
These instructions assume that the carrier gas bottle has
been installed.
3.19.2 Instructions
1) Remove the protective cap from the high pressure inlet, if required.
2) Insert the ferrule on the regulator high pressure inlet into the calibration gas
bottle outlet.
3) Screw the nut onto the thread and tighten.
Do not connect the low pressure switch directly to the NGC
without a barrier.
4) Remove the J2 field wiring connector from the NGC termination panel located
inside the rear of the enclosure (see Figure 3-40
).
Figure 3-39 Carrier Gas Pressure Regulator with Relief Valve
LOW PRESSURE PORTS
INCREASE
DECREASE
HIGH PRESSURE PORTS
HIGH PRESSURE INLET
MEDIUM PRESSURE PORT
LOW PRESSURE SWITCH
CABLE TO BARRIER
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