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7.
Long storage and disposal
When not using this unit for long term
If this unit is to be put out of service for a long time, be sure to turn of the earth leakage
breaker of this unit for safety, and close the tap. Water in the boiler and distilled water
tank, if stored as it is, will deteriorate in quality due to generated bacteria or algae. Drain
water by the procedure below:
Boiler Water Drain
1. In draining boiler water, turn off the earth
leakage breaker, ensure that the tap is
closed, then wait for 30 minutes or more,
and open the front door.
2. Open the boiler water drain cock.
3. Make sure that all water in the boiler and
float cylinder is drained.
4. Be sure to close the boiler water drain cock.
If boiler water drain cock is opened in next
use, water is not fed into the boiler, and
distillation is not started.
When the distilled water has been left stored in the tank for two weeks or more, drain the
tank content completely and start operation. Start using the distilled water when the water
is ready for sampling and when the specific resistance becomes 1.2MΩ
・
cm or more and
after operation for one hour or more.
Close
Boiler Water
Drain Cock
Open