14
Digital Timer
The L&R Digital timer controls the operation of the Ultrasonic cleaning machine
and its options. There are three sections of control; Main Power, Timer, Heat.
The Main power
on / off switch: Located on the rear panel of the machine
near the line cord and fuse holder. This switch controls the main power to the
unit. When this switch is in the on position it is illuminated and the yellow
standby light, on the front panel, is lit (item 2).
Timer Section:
The timer section controls the Ultrasonic operation of the
machine. There are five different selectable predefined timer settings (6, 12,
20, 30, 60 minutes). The timer set button (Item 1) is in the center of the time
selection indicator lights (Item 3) just below the yellow standby indicator light
(Item 2).
Pressing the timer button once, when the unit is in standby mode will
start the ultrasonic cleaner and select an operating time of 6 minutes. If
the timer button is pressed again a second time then the 12 minute indi-
cator will light and the unit will then run for 12 minutes and turn off when
done. If the timer button is pressed while the machine is operating the
next time interval is selected and the machine will continue to operate
until the end of this preset time. Pressing the timer button will increment
the time interval from 6 to 12 to 30 to 60 and then to Standby (off). The
time indicator light remains lit until the end of the cycle.
Optional Heater Section:
The heater section has the heater push button
(Item 4) and a Red indicator light (Item 5). The light is active when the heater
circuit is energized. The heat remains on until the button is pressed again and
the indicator light goes off. If the unit has not had any buttons pressed for 2
hours the heat turns off as a safety precaution.
Heat should not be left on unat-
tended
. The operator should not rely on this automatic feature to turn the
heat function off automatically - this feature is for safety only.
The main power switch
is intended to be turned off when the machine is
not in use. None of the digital timer functions will work if the main power switch
is in the off position.
Содержание Quantrex Q90
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