Green Sprinklers General fan glass wiper switches have three positions: high speed, intermittent and low speed.
In winter, in order to prevent the damage of the green sprinkler wiper system, scraping of ice or snow or other heavy material is strictly prohibited.
Intermittent operation, if the wiper has an intermittent gear, the mark of the gear is generally INT. The wiper can be operated intermittently in this gear - after reciprocating for a period of time and then reciprocating once again. The intermittent operation interval of the wiper can be adjusted by the adjustment knob on the wiper switch and can generally be changed in 2-10 seconds.
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