Parker NitroFlow Lab - Starting and Adjusting

K3.1.142e Manual NitroFlow Lab - 39 -
8. The purity of the NitroFlow Lab is factory set as required. To adjust
the oxygen content, adjust the purity control valve FCV. Refer to
§7.3 for instructions.
9. The pressure control of the NitroFlow Lab is factory set as required.
Two modes of pressure control are possible.
• Switching on and off depending on the outlet pressure, max.
switch-off pressure = 8.0 bar(g).
• Continuous operation; excess produced nitrogen is vented.
Maximum nitrogen pressure 8.0 bar(g). Refer to §7.4 for
instructions.
7.2 Start NitroFlow
®
Lab
1. Move the switch on the back of the NitroFlow Lab to the ON-
position (up).
2. Press on the NitroFlow
®
Lab with the ON/OFF button on the touch
screen panel (refer to §6.2).
3. There is a 3 minute delay between stop and restarting the
generator.
4. The NitroFlow
®
Lab will deliver nitrogen instantaneously.
7.3 Adjusting the purity
The purity of the output can be read on the main screen.
1. The purity is determined by
measuring the residual oxygen
content in the nitrogen outlet.
2. To change the purity, change the
setting of the purity adjustment
valve (refer to § 3.3) (left valve
behind removable upper front
panel)
3. First unlock the needle valve by
loosening the hexagonal lock nut
on its spindle. (Fig. 7-1)
4. Turning the valve clockwise will
result in a decrease of the
oxygen level and vice versa. The
Fi
g
. 7-1 Purit
y
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j
ustment-valve