22
Handling Precautions
CAUTION!
Unattended continuous operation
In case of performing unattended continuous operation, pay attention to the auto supplying water
device (non-operation device, Level Controller (OBF10 Model) product code: 221570) for not
heating with empty status.
Pay attention not to heat empty bath. (Overheating prevention device performance)
Do not operate this unit with empty water bath or with its heater spilled the water from. The
heater might be red hot, the heater life descends seriously. What is worse, it could cause a fire.
Be sure to check the water amount of the water bath before the operation, and supply water as
required.
This unit has the overheating prevention device in itself, and goes off the electricity in case of
occurring the heating of empty bath. Please contact to Yamato Science Service Office if the
heating of empty bath is occurred.
Return after power failure
When power is supplied after a power failure, the device automatically starts operation again with
the same state as just before the power failure. It is danger that the device starts unattached
operation after a power failure. We recommend for you to turn off the switch of this unit if a
power failure occurs during operation.
