Figure 2-2: smart-switch controller - spc, Close button, discharge valve, Led indicator array (bar graph) – Hale CAFS Attack User Manual
Page 19: Wet (+) button, Press and release

19
CAFS Air Bottle Installer/Operation Guide
p/n: 029-0020-85-0
De sc rip tio n
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Figure 2-2: Smart-Switch Controller - SPC
The OPEN button LED is ON steady during operation and flashes during
setup.
CLOSE Button, Discharge Valve
The CLOSE button closes the water discharge valve to decrease the water
or foam solution (making a dryer solution). Holding the button pressed
closes the valve until the internal limit switch activates, indicating the fully
CLOSED position. The CLOSE button LED is ON steady during operation
and flashes during setup.
LED Indicator Array (Bar Graph)
The OPEN / CLOSE bar graph LED indicator array illuminates from the bot-
tom (O - fully closed) to the top (I - fully opened). It sequentially indicates
the approximate open / close position of the valve.
WET (+) Button
Press and Release
Pressing and RELEASING the WET button sets and maintains the air injec-
tion rate at the Preset 2 * value, producing a WET foam concentrate.