Michell Instruments Condumax II User Manual page 14

OPERATION
4. Adjust the solenoid valve to the PURGE POSITION (fully screwed in
clockwise) as shown on the label attached to the solenoid valve.
5. Allow the sample gas to enter the system.
6. Open the Bypass Needle Valve (NV1) one full turn.
7. Adjust the HCdp Flow Metering Valve (MV1) to indicate a sample gas
fl ow rate of approximately 0.12m³/h (full-scale) on the HCdp Flowmeter
(FM1).
8. Allow the sample gas to purge the system for a minimum of 3 minutes.
9. Re-adjust the solenoid valve to the NORMAL OPERATING POSITION (fully
unscrewed counter-clockwise) as shown on the label attached to the
solenoid valve.
10. Re-fi t the Condumax II user interface/display assembly and fl ameproof
enclosure cover. NOTE: Make sure the hex grub screw is tightened
to prevent inadvertent removal.
11. After the fl ameproof enclosure cover has been refi tted, the Condumax II
is ready for power up. Apply the power supply to the system.
12. The HCdp Pressure Regulator (PR1) is used to set the HCdp gas analysis
pressure. Pressure is indicated on the main display of the Condumax II. It
is normal practice for an analysis pressure of 27 barg (391 psig) to be set for
hydrocarbon dew point, as it is the recognized cricondentherm condition
(pressure at which the highest hydrocarbon dew-point temperature will
exist). To adjust the PR1 - remove the cap to uncover the adjustment
screw. Make the adjustment with a 4mm hex key.
8
Adjustment
PR1 Adjustment Point
Figure 8
Condumax II Transportable
Sampling System User's Manual
97438 Issue 1.3, March 2016