U-Series Operating Manual
11
C6000610
Manual III Control Panel Instructions
(U300H, U500H, U1300H & U2500H)
To switch on the ultrasonics:
Turn the Timer dial to the desired time, and
the press the SONICS button.
The SONICS button and the SONICS light
will glow. Ultrasonic activity will then
commence in the liquid inside the tank and
the Timer dial will be heard ticking.
At the end of the timed period, the Timer
will click off, the SONICS light will go out,
and the ultrasonic activity in the liquid will
stop.
To stop the ultrasonic activity at any time,
press the SONICS button while in
operation.
To operate the heater:
Turn the HEATER dial to the desired temperature and press the HEAT button.
The HEAT button and the HEAT light will glow, and the liquid will start to
heat up.
When the set temperature is reached, the HEAT light will go out.
To stop the heater at any time, press the HEAT button while in operation (ie.
when the HEAT light is already on).
NOTE: Ultrasonic activity itself will heat the liquid by 5°C per hour. This means
that the liquid temperature may rise above the level indicated on the
temperature dial.
The temperature dial only controls the heater cut-out temperature.
If in doubt, check the actual temperature with a thermometer.
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