20
Instruction Manual
4.5.3 Setting Timers
NOTE:
The unit must be in the ‘OFF’ (edit) mode to
change the timer settings. For proportional
mode pump run time must be set above
11 HR 01 Min to ensure continuous operation.
1. Press the
- TIMERS -
key to view the run time for
‘Pump A’.
2. Use
or to adjust to desired maximum
run time.
Pump A
20:00
Run
min
sec
NOTE:
The ‘hr : min’ will change to ‘min : sec’
automatically as the run time is reduced below
one (1) hour.
3. Press the
- TIMERS -
key to advance to run time for
‘Pump B’.
4. Use
or to adjust to desired maximum
run time.
Pump B
01:50
Run
hr
min
NOTE:
The ‘hr : min’ will change to ‘min : sec’
automatically as the run time is reduced below
one (1) hour. Delay Timers are factory set
in the deactivated mode. The ‘Delay 1 and
Delay 2’ Timers are activated / deactivated in the
‘Advanced Features Menu.’ These screens will
not display when the delay option is deactivated.
SECTION 4 - OPERATION
4.5.4 Solenoid Valve Control
5. Press the
- TIMERS -
key to advance to ‘Delay 1’ time
(if activated). ‘Delay 1’ is the wait time after pH
enters the desired region, before the Solenoid
is activated.
01:00
Delay
min
sec
6. Press the
- TIMERS -
key to advance to ‘Delay 2’
time (if activated). ‘Delay 2’ is the Solenoid ‘ON’
time.
01:30
Delay
min
sec
NOTE:
If the pH should go out of the desired range
during ‘Delay 1’ or ‘Delay 2’, the Solenoid cycle
will terminate. It will start again from zero when
pH re-enters the desired region. If pH remains in
the desired region, the controller will enter ‘OFF’
mode at the end of the Solenoid ‘ON’ time. The
controller turns ‘ON’, again in one minute and
the cycle repeats.
7. Press key
- TIMERS -
to advance to ‘Response Rate’.
This is programmed in Δ pH units.
00:10
Δ pH
min
sec
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