Handling precautions, Warning, Caution – Yamato Scientific DC800 Freeze Dryers User Manual
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Handling Precautions
WARNING!
If a problem occurs
If smoke or strange odor should come out of this unit for some reason, turn off the power key
right away, and then turn off the breaker and the main power. Immediately contact a service
technician for inspection. If this procedure is not followed, fire or electrical shock may result.
Never perform repair work yourself, since it is dangerous and not recommended.
Measure for flammability and handling of flammable solvent
This unit is not designed as the explosion-proof construction. Pay special attention to the
handling of the sample to be handled with this unit on the consumption with the explosive
material, flammable material, and similar ones. The flammable material may be vaporized by
leaving it at the temperature higher than room temperature, and could cause the fire or
explosion. When handling such material, provide ventilation with enough before the operation.
(Refer to page 28 “List of Dangerous Substances”.)
CAUTION!
Maximum trap capacity
The max. trap capacity of the bath in this DC400/800 is approx. 0.6 ・/1.0 ・. Excessive amount
shall cause significant unit performance degradation.
Do not step on this unit
Do not step on this unit. It will cause injury if this unit fall down or break.
Do not put anything on this unit
Do not put anything on this unit. It will cause injury if fall.
During a thunder storm
During a thunderstorm, turn off the power key immediately, then turn off the circuit breaker and
the main power. If this procedure is not followed, fire or electrical shock may be caused.
Countermeasure for stop operation during night or long-term stop
In case of stopping operation during night or long-term, toggle the power switch to "OFF".
Power supply voltage
The power supply voltage must be within +/-10% of the rated voltage.
Do not use solutions
The rubber packing of the unit and U-ring on the chamber cap for the vacuum valve and the flask
are made of chloroprene rubber. Keep in mind that they may be immersed by acid, halogen,
aromatic series, ester, and the oxo solvent.
Restarting
Stop operation and wait over 5 minutes, and then, restart operation.