Hach-Lange FILTRAX User Manual - Manual (Page 34)

32
Commissioning
4.2 Taking instrument out of operation
4.2.1 Filter modules
If the instrument is to be taken out of operation for an extended period, you should
clean the filter modules (sec. 6 Maintenance) and then protect against drying out.
For this purpose 4 plastic bags are supplied.
Fig. 4-24 Plastic bag
4.2.2 Control unit
On installation outdoors, the control unit should always be in operation so that the
temperature control can provide protection against overheating or freezing. When
the instrument is taken out of operation, the [+SERVICE] menu is opened or the
control unit removed:
• Prior to dismantling open the [+SERVICE] menu and remove suction and
sample tube
• Select [PREPUMP] command and leave the internal tubes to empty
• Then open [+SERVICE] menu again, release tension on pump cartridges
and unplug from the mains
Menu
NO SAMPLE!
INTERVAL
PREPUMP
PREPUMP