Setting The Filter Life Gauge - Labconco Logic Vue User Manual

this section. After setting the Supply Filter Life Gauge, the Exhaust Blower speed
can be adjusted.
Motor control for the
Exhaust (Btm) Blower
Use [UP]
[DOWN]
presses of the button to see the displayed PWM value change; however the
blower speed will adjust with each button press.
When the Instantaneous Blower rpm is within 15 rpm of the Average Blower rpm,
the blower speed has stabilized, and
next screen to set the Filter Life Gauge.

Setting the Filter Life Gauge

During initial or annual certification of the enclosure, and after the HEPA filters are
changed, the Filter Life Gauge may need to be reset. There are three options to choose
from when resetting the Filter Life Gauge. Below are the three options, and an
explanation on which to select.
1. New Filter
during initial certification of a new enclosure, or after new HEPA filters are
installed and the enclosure's Inflow and Downflow have been verified by a
trained and qualified certifier.
2. Same Filter
Calibration submenu to reach the sensor calibrations, or when the blower
speed(s) have been adjusted slightly (but the HEPA filters have not been
replaced) during an annual certification.
3. Set Filter Life
Life Gauge to a specific percentage, for example, after the display circuit board is
replaced, and the settings from the previous display board need to be
programmed into the new display board.
EXHAUST
CURRENT RPM = 1158
AVERAGE RPM = 1161
or [DOWN] to adjust the blower speed. Each single press of
increments the PWM signal sent to the blower by 0.5. It may take two
– Select this option when the HEPA filters are new. This occurs
– Select this option when passing through this screen in the
– This option is seldom selected. It may be used to set the Filter
60
'OK' TO CONTINUE
[OK/MUTE]
91
Blower
PWM
Instantaneous
Blower RPM
'OK' displayed
when blower
speed stabilizes
can be pressed to move to the
[UP] or