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Anti – Blockade Function: Pump and 3 way valve inside the device start to
operate for a short time once every 18 hrs.
6.5.2. LONG TERM OFF
If you do not operate the device for a long time, make the circuit breaker OFF
after pressing
button 2or 3 seconds. In this case, because of freezing
prevention of the device will not operate discharge the water inside device in case
of freezing risk