OPERATION
16
500ze YM180 (12
−
2011)
VACUUM FAN SPEED KNOB
Turn the Vacuum fan speed knob clockwise to
increase the vacuum and counterclockwise to
decrease the vacuum.
Observe the MD3 machine management system
display for the vacuum fan speed.
NOTE: For normal operating conditions the
vacuum fan speed should be set below 2400 rpm.
VACUUM FAN SPEED BOOST
The vacuum fan speed can be set above 2400
rpm (boost). The vacuum fan speed boost is
available only five times per hour for up to 5
minutes per boost period (25 minutes total per
hour). The vacuum fan speed will be limited to
2300 rpm for the remainder of the hour after the
five boost periods.
A countdown bar on the MD3 machine
management system display shows the amount of
time remaining for the vacuum fan speed to stay
above 2400 rpm.
If the vacuum fan speed is left above 2400 rpm
beyond the 5
−
minute interval an audible alarm will
sound, the vacuum fan speed control system will
automatically reduce the fan speed to below 2400
rpm, and a warning message will appear on the
MD3 machine management system display.