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| NG C820 0 AN D PGC1000 US ER MAN UA L | 2101 510MNA H
Materials:
Calibration blend regulator assembly with low pressure switch (see
Installed calibration gas cylinder
To install the calibration gas regulator:
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 cylinder outlet.
3.
Screw the nut onto the thread and tighten.
4.
Check for leaks.
DANGER – Serious damage to health / risk to life
. Do not connect the low-pressure
switch directly to the analyzer without a customer-supplied intrinsically safe barrier. It must
meet all national regulations for classified hazardous atmospheres.
5.
Using a small flat head screwdriver, loosen DI2 pins 3 and 4.
6.
Insert the red wire into the (+) terminal (pin 3).
7.
Retighten pin 3.
8.
Insert the black wire into the (-) terminal (pin 4).
9.
Retighten pin 4.
10. Replace the termination connector in the J2 board connector.
Figure 4-19: Calibration gas pressure regulator with relief valve
Figure 4-20: Calibration blend low pressure switch wiring instruction (using DI2)