Metrohm 797 VA Computrace - Manual (Page 52)

2 Installation
797 VA Computrace / Hardware-Manual 8.797.8001EN
44
used to dose the solution in the measuring vessel.
• Click <OK>.
• Click on or MAIN WINDOW / Utility / Dosino control to open the DOSINO
CONTROL window.
• The connected Dosimat and the mounted Exchange Unit are automatically
identified.
• Click the button to empty and refill the Exchange unit installed
on the Dosimat.
• Check if there are air bubbles left in the glass cylinder of the Exchange unit.
If this is the case, repeat the flushing procedure by clicking the
button.
• Close the
DOSINO CONTROL window.
2.8.3
Change Dosing-/Exchange unit
Dosing unit 807
The Dosing unit mounted on the Dosino can be changed only in the exchange posi-
tion which is reached after filling. Please proceed as follows:
1 Fill Dosing unit
At the start of the VA Computrace program, the Dosing unit is automatically
filled. So this step is only necessary if the Dosino has already been used during
the running program session.
• Click on or MAIN WINDOW / Utility / Dosino control to open the DOSINO
CONTROL window.
• Click the button of the corresponding Dosino to fill the Dosing
unit installed on the Dosino.
2 Change Dosing unit
• Unscrew connection nipple of the PTFE tubing of the 4-way microtip 30
from connection 1 and take off old Dosing unit.
• Mount new Dosing unit on Dosino, the new Dosing unit is automatically
identified.
• Screw connection nipple of the PTFE tubing of the 4-way microtip 30 on 1
(Port 1) of the Dosing unit.
3 Initialize Dosino(s)
• Click on or MAIN WINDOW / Utility / Dosino control to open the DOSINO
CONTROL window.
• Click the button of the corresponding Dosino to empty and re-
fill the Dosing unit installed on the Dosino.
• Check if there are air bubbles left in the glass cylinder of the Dosing unit. If
this is the case, repeat the flushing procedure by clicking the
button.
• Close the
DOSINO CONTROL window.