Hach-Lange SD900 User Manual - Manual (Page 31)

Activate the full bottle shutoff
The full bottle shutoff option must be activated before it can be enabled. After activation, the option
remains available until the controller firmware is upgraded. After a firmware upgrade, the full bottle
option must be activated again.
1. If necessary, push any key on the controller to take it out of sleep mode.
2. Push and hold the MENU key for more than 30 seconds. The display shows FB SHUTOFF
AVAILABLE.
Enable the full bottle shutoff
1. Push MENU.
2. Select PROGRAM SETUP>MODIFY SELECTED>BOTTLE.
3. Select the BOTTLE QUANTITY and confirm.
4. In the list of FULL BTL SHUTOFF options, select ENABLE.
To disable full bottle shutoff, select DISABLE.
Full bottle shutoff in non-continuous mode
In non-continuous mode, sample collection is not monitored while the program runs. The controller
tries to find possible overflow conditions before the program starts.
Table 3 gives the specified check
criteria for different configurations.
Table 3 Configuration and controller checks
Configuration Check criteria
Multiple composite sampling (deliver samples
to all bottles) The number of samples multiplied by the sample volume is less
than the bottle volume.
Samples per bottle distribution The number of samples per bottle multiplied by the sample
volume is less than the bottle volume.
Storm water enabled The first flush (FF) sample volume is less than the bottle
volume.
Storm water enabled with first flush bottles set
to 1 The number of FF samples to collect multiplied by the FF
sample volume is less than the bottle volume.
Storm water enabled with multiple first flush
bottles and distribution set to samples per
bottle The number of FF samples per bottle multiplied by the FF
sample volume is less than the bottle volume.
Timed bottle (TB) set is enabled and
configured to run in non-continuous mode The number of samples per TB multiplied by the sample volume
is less than the bottle volume.
If any of the checks fail, the display shows an INVALID PROGRAM message and the program will
not run. Navigate to MENU>MODIFY ALL to correct the program, or disable the full bottle shutoff.
If the results of the necessary checks are satisfactory or the full bottle shutoff is disabled, the
program will run.
Full bottle shut off in continuous mode
In continuous mode, sample collection is monitored while the program runs. The controller does not
do any checks before the program is started.
If the bottle capacity is one sample volume less than the maximum capacity, the sample collection is
halted. An event is recorded in the event log with a date and time stamp. The display shows a
HALTED BOTTLE FULL? message and the program enters the PROGRAM HALT state.
Push a key on the controller to clear the warning message. The program stays in the halted state to
let bottles be emptied and replaced as necessary.
Push RUN/HALT PROGRAM to start the program again. Select from four options:
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