11
To close the gauge, pull the knob up and rotate it counterclockwise. Push the knob down to lock it. Open
valve on the gas supply tank. Adjust Pressure Gauge by pulling the top knob up and rotating it clockwise until the
pressure reaches the desired value (see Figure 8), then push the top knob down to lock it.
A
B
C
Figure 8. Pressure gauge using.
2.
Install the
TUBE-CB
on the rear panel of CO2-UNIT-BL. It filters the Air/CO2 flow before it enters in contact
with CO2-UNIT-BL gas sensors. Connect the TUBE-CB with the
Filter In
and
Filter Out
connectors on the rear
panel of CO2-UNIT-BL (3, 4 in Figure 5). Make sure the
Filter In
label side of the filter is always connected to
Filter In
connector on the rear panel of CO2-UNIT-BL (see Figure 9).
Note
►
CO2-UNIT-BL cannot operate if the TUBE-CB is not connected.
Note
►The improper installation of the
TUBE-CB may cause gas sensors contamination.
Figure 9. How to install TUBE-CB.
Tip
►
Replace this filter each 2-3 months of continuous operation or if you see water in the inner part of the
filter.
