Turn on chemical valve Turn off chemical valve
Turn to left direction for turn on and increase flow rate.
Turn to right direction for turn off and decrease flow rate.
Note: Normally, just keep it turn on, no need to adjust it in every time for use.
In 99.00% chance, this problem as below will not happen.
Some time, the adjustable flow rate valve’s handle is loose, so could not turn on, so
could not spray fog, fix as below,
Find the small spanner inside spare parts kits,
Use small spanner to take out the screw,
