IPS Controllers M820 User Manual

21
M820 pH/Dual ORP Controller Owner’s Manual
3. Selectable range in med feed: OFF, 20 – 100 feed
cycles. Selectable range in connuous feed: OFF, 20
– 180 minutes. When the Dose Time is changed from
either med or connuous feed, the Over Timer is reset
to Default.
4. Turning o the Over Timer will void any NSF
Cercaon and is not recommended for safety
reasons.
e. High Alert
1. Default: 900 mV
2. Selectable range: 650 mV to 900 mV, no OFF. A high
alert will occur if the ORP level remains above the
High Alert level for 10 connuous minutes, and will
automacally turn o the High Alert when the ORP
level falls below the high alert level for 1 connuous
minute. During High Alert, the ORP1 dose output will be
disabled.
f. Low Alert
1. Default: 100 mV
2. Selectable range: OFF, 100 mV to 640 mV. A low alert
will occur if the ORP level remains below the Low Alert
level for 10 connuous minutes, and will automacally
turn o the Low Alert when the ORP level rises above
the low alert level for 1 connuous minute. During Low
Alert, the ORP1 dose output will be disabled.
g. pH Cal disabled
4. ORP2 standby
Note: While in this mode, the yellow ORP2 standby LED will
illuminate, both the pH and ORP digital displays will show dashes,
and all Auto funcons will be disabled. Use the Up or Down
arrow buons to the le to increase or decrease the funcon
value.

IPS Controllers M820 Specifications

General

Brand	IPS Controllers
Model	M820
Category	Controller
Language	English