Series 4 Operating Manual - Nebula Issue 1.00
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3 Quick-start
Please read all safety instructions before operating the analyser
This section is intended as a quick guide for trained personnel. See the Operation section for
detailed instructions.
‒
Connect your power supply to the mains IEC connector on the rear panel (for standard AC
operation);
‒
Connect your gases to the rear panel at the following pressures, using tubing as indicated
below:
Gas
Tube
Pressure
SAMPLE
1
/
4
ʺ
PTFE or similar
0.75 ± 0.15 Bar
SPAN (NH
3
)
1
/
8
ʺ
PTFE or similar
1.0 ± 0.2 Bar
ZERO (Clean Air or N2)
1
/
8
ʺ
PTFE or similar
1.0 ± 0.2 Bar
Table 2 : Quick-start setup
‒
Switch on the power using the switch on the rear panel (AC operation only). At this stage
you should see a solid blue LED on the front panel, indicating that the unit is in Sleep mode.
An internal fan may also be audible;
‒
Your instrument is now powered up and ready for general use. The various internal heated
components require time to warm up. For the NEBULA it is
imperative
you wait at least 30
minutes for all components’ temperature to stabilize
after every power off. Use your chosen
operating interface (front panel display or S4i. See the appropriate user guide for detailed
information) to proceed and initiate the warmup procedure;
‒
The following options will initiate warmup:
Standby
–
the unit will go to a state ready for measurement. No gas valves will be open.
Zero
–
the unit will automatically open the zero valve to begin measuring zero gas.
Span
–
the unit will automatically open the span valve to begin measuring span gas.
Sample
–
as Zero & Span but the unit will begin measuring Sample gas.
Pause
–
Span, Zero and Sample Solenoids will all be closed.
