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‧Please do not perform the trillion ohm test to the leads.
‧In case of Double Coil Type, please do not conduct current to the two coils at the same time; because, the valve is sometimes in neutral condition.
‧Sometimes, the solenoid valve may fail to return to its operation in case of the current leakage inside the loop. Therefore, it should be used below the allowable value of loop current leakage. Please contact us for inquiry if the loop current leakage exceeds its allowable value.
‧Please do not pull the leads by force; otherwise, it may be the cause of their poor contact, disconnection, etc.
‧Please use a precise screw driver or press by hand to the end of the manual button. From its position of " " as a base , turn it clockwise for 90 to that of " ", then it becomes similiar to the current conducted condition and being locked.
‧To release its locking condition, please trun back to its original position"". By the spring action of the manual button , it will release its locking condition. If the manual button is turned too much, please be aware that it may sometimes result in damage.
‧The 220 Series is a pilot type of solenoid valve when no air is supplied to its "P Hole". Its main valve will not be switchable, even if its manual button is under operation.
‧Please lock this locking protrusion type of manual button. Normally when starting its operation, its locking condition must be first released.
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