IPS Controllers M790 Owner's Manual page 14

M790 pH/ORP Controller Owner's Manual
4. Electrical Connections (Should be completed by a licensed
Electrician)
a. Verify that the M790 controller power is OFF.
b. Connect the pH feeder connection to the appropriate
peristaltic pump or other device.
c. Connect the ORP feeder connection to the appropriate
peristaltic pump or other device.
d. Connect the AC power cord to a GFCI power source. For
outdoor installations, ensure the use of a watertight outlet
cover.
e. Connect the flow switch to the screw terminals inside the
controller (labeled Flow). Wire jumper should be removed
and stored for later use during trouble-shooting.
f. Connect the pH sensor connector to the corresponding
port (labeled pH) at the right edge of the controller.
g. Connect the ORP sensor connector to the corresponding
port (labeled ORP) at the right edge of the controller.
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