IPS Controllers M720 - Page 17

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.
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.
2. Selectable range: OFF, CON (connuous), and Timed
(0.6 – 900 seconds ON and 5 minutes OFF)
c. Delay Time
1. Default is a 5-minute delay aer dosing
2. Selectable range 1 – 99 minutes
d. Over Timer
1. Preset: 60 med cycles or 60 minutes in connuous
feed.
2. Selectable range in med feed: OFF, 20 – 100 feed
cycles. Selectable range in connuous feed: OFF, 20 –
180 minutes.
3. Changing Over Timer seng
i. Press Mode buon to enter pH standby
ii. Press and hold Mode buon and then press Delay
Time buon (red pH alert LED will come on) release
both buons. You are now in Set Over Timer mode.
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M720 pH/ORP Controller Owner’s Manual