IPS Controllers M920 - Page 11

M920 & M920W pH/Dual ORP Controller Owner’s Manual
2. Mode - pushbuon 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 buon for 3 seconds
to turn controller o. There is sll 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 - pushbuon adjustments of following:
• Set Level
• Dose Time
• Delay Time
• Over Timer
• High Alert
• Low Alert
• pH CalFlow
4. Flow - green LED
5. Tank 1 - red LED
6. Tank 2 - red LED
7. Electrical Connecons (peripherals)
a. pH output (le 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 protecon - Fused at .500 Amps (500 mA)
f. Flow - from ow cell
g. Tank 1 - from tank level switch (oponal)
h. Tank 2 - from tank level switch (oponal)
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