Table of Contents
Advertisement
11
Metering pump and additional components
11.1
Setting the metering pump
11.2
Replacing the pump hose
1 2
3
Fig. 51: Replacing the pump hose
INFO!: The system is pre-configured. No settings are needed on
the metering pump DFXa. Deviating settings would only distort the
control. In the event of a leak, the metering pump can be stopped
using the STOP button on the metering pump.
The DFXa-series metering pump fitted in the ULIa system is pre-
set and is directly controlled by a 4 ... 20 mA signal from the PLC.
The metering pump meters sufficient liquid concentrate/emulsion
depending on the concentration value set.
User qualification: technical personnel and Service,
The rotating rotor may catch and trap body parts.
Only replace the hose as outlined in the instructions below.
n
The part number of the appropriate spare parts kit can be found at
'Service' menu etc.
the end of the
If you are fitting another type of hose, you need to share this with
the pump control at
System è Hose type' . Otherwise this could lead to problems.
è
4
5
Ensure that the system is at atmospheric pressure.
n
Note the material safety data sheet for the feed chemical.
n
Prevent the escape of feed chemical.
n
Put in place protective measures, if necessary.
n
1.
Press
(manually).
Do not allow the pump to be in fault status.
2.
Drain the liquid end (turn the liquid end upside down and
allow the feed chemical to run out, and flush with a suitable
medium. Flush the liquid end thoroughly when using haz‐
ardous feed chemicals!)
3.
Go to the
'Go to change position?' appears.
ð
Metering pump and additional components
'Menu / Information è Settings
[STOP/START] to bring the pump to a standstill
'Tube Service' menu.
P_DX_0181_SW
79
Advertisement
Table of Contents
