M920
& M920W
CA
2. Mode - pushbutton adjustments
a. Auto - red LED
b. pH standby - green LED
c. ORP1 standby - yellow LED
d. ORP2 standby - yellow LED
e. Temp display & calibrate - green LED
f. OFF mode - In standby, press and hold Mode button for 3 seconds
to turn controller off. There is still power to the controller in
this mode, but no dosing will occur. Press and hold to turn the
controller back on.
3. Up/Down Arrows - pushbutton adjustments of following:
•
Set Level
•
Dose Time
•
Delay Time
•
Over Timer
•
High Alert
•
Low Alert
•
pH, FAC, CYA Cal
4.
Flow - green LED
5. Tank 1 - red LED
6. Tank 2 - red LED
7. Electrical Connections (peripherals)
a. pH output (left receptacle) - max. 3.3 amps @ 110/230 VAC max
b. ORP1 output (center receptacle)- max. 3.3 amps @ 110/230 VAC
max
c. ORP2 output (right receptacle) - max. 3.3 amps @ 110/230 VAC
max
d. AC power - 120VAC/240 VAC (switchable), 50-60 Hz
e. AC power protection - fused at .500 Amps (500mA)
f. Flow - from flow cell
pH/Dual ORP Controller Owner's Manual
CA
9
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