Completing An Airline Test - Factair F4504 Operating Manual

4.1 Completing an Airline Test

Note:- The pressure dewpoint at the end of the test will be calculated on the recorded system
pressure.
For the majority of applications the system pressure can be left at this default setting, however if the
breathing-air system is distributed as breathing air at a different pressure to that being displayed this
should be entered at this stage.
To enter press the right hand side (Set) icon use the keypad to enter the required value, press the
right arrow to return. The (Reset) button will automatically reset the system pressure back to the
measured pressure.
Press the arrow key to proceed.
Select (Airline < 40 bar) – note the maximum
pressure the instrument is rated to is 10 bar.
With the flow control valve in the closed position
connect to the air supply to be tested. Ideally this
should be done by using the hose which normally
supplies the breathing apparatus.
appropriate adaptor to the Tester first and then
connect the supply hose to the adaptor.
A test can be carried out at any pressure between
2 and 10 bar.
Note:- If the unit is over-pressurised it will
automatically shut
overpressure warning; it will then need to be
returned to the manufacturer for checking and
resetting.
Input pressure will be displayed on the measured
pressure bar graph and the adjacent display.
System pressure will automatically default to this
reading.
11
Fit the
down and display an