Yamato Scientific WG221S Water Purifiers - Manual (Page 14)

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Safety Precautions
Installation and Preparation for Use
Warning
Connect securely the drainage hose.
●Connect securely the drainage hose. If the hose comes off due to incomplete connection,
water would leak inside the unit and might cause machine trouble.
(1) Take the drainage hose and the hose band out of accessories for the unit.
(2) Make sure the circuit breaker is off.
(3) Take out the rubber stopper from the drain .
(4) Pass the hose band over the hose. Then, insert the hose into the drain and fasten the
hose band.
Be careful to arrange the drainage hose.
●Do not bend the hose nor make any convex part.
●Arrange the hose lower than the drain of the unit. And also avoid the connection which make
water accumulate in the drainage hose or drain exit and become resistance for drain.
●Lead the end of the drain hose to drainage capable of about 2 /min. of cooling water drained.
Drainage with larger capacity is required when boiler water is drained.