IPS Controllers M820 User Manual

C. Modes and Adjustments
1. Auto
a. This is the normal operaonal mode of the M820
controller.
b. The controller allows full operaon and monitoring of both
pH and ORP levels.
c. No funcon pushbuons are operaonal in this mode.
d. The red funcon LED next to Auto is illuminated.
e. pH and ORP digital displays monitor the sensor input
levels.
2. pH standby
Note: While in this mode, the green pH standby LED will
illuminate, both the pH and ORP digital displays will show
dashes, and all Auto funcons will be disabled. When a funcon
pushbuon is pressed, the corresponding digital display will show
the funcon. Use the Up or Down arrow buons to the le to
increase or decrease the funcon value.
a. Set Level
1. Default: 7.4 pH
2. Selectable range: 7.0 – 8.0 pH (in 0.1 increments)
b. Dose Time
1. Default: Timed dose of 10-second pH feed relay
energized and 5 minutes pH feed relay de-energized.
In the med dose cycle mode, the dose LED will ash
while dosing and illuminate steadily during the delay
poron of the med cycle. In connuous dose mode,
the dose LED will ash while dosing, and dosing will
connue unl pH is 0.2 below (or above if feeding base)
Set Level.
2. Selectable range: OFF, CON (connuous), and Timed
(10 – 900 seconds ON)
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M820 pH/Dual ORP Controller Owner’s Manual

IPS Controllers M820 Specifications

General

Brand	IPS Controllers
Model	M820
Category	Controller
Language	English