Chapter 4 _________________________________________________________________ Operation
JUMO _________________________________________________________________________ 127
-
Turn on/off the automatic purge by selecting
Automatic purge,
press ►
ON/OFF
button.
-
Set the automatic purge interval by selecting
Interval: ...
, press
SET.
Set the purge interval and the unit (hour/day) by using the
arrow buttons. The interval must be 1 hour ... 10 days. Press
OK.
- Select
Start-up purge
by using the arrow buttons. Press On/Off to
turn the start-up purge on/off.
- Start manual purge by selecting
Manual purge
and pressing
START.
4.
Press
EXIT
to return to the basic display.
0706-004
Figure 65
Performing Chemical Purge
Using Serial Line
PURGE
Enter the
PURGE
command to start chemical purge immediately.
>purge
Purge started, press any key to abort.
>
The prompt '>' appears when the heating period is over. However, the
transmitter outputs are locked to the values measured before
performing chemical purge until the settling time is over.
With
PUR
command you can enable or disable automatic and power-
up chemical purge and set the interval for automatic purge. If the
sensor is exposed to chemicals it is recommended to have the
chemical purge done at least once in 720 min (=12 hours). In
applications where the chemical exposure is not likely, the interval
can be longer.
It is not recommended to change duration, settling, temperature or
temperature difference.
