Using The Ql3 Pump; Using Other Weighing Methods - Mettler Toledo Q3 Manual De Usuario

The pressure is released.
1 Install the dosing head on the dosing head support of the
bottle.
2 Unplug the air tube by pressing down the ring (1) and
simultaneously pulling out the tube (2).
3 To seal the bottle, insert the pin delivered with the QLL kit
(3) into the air tube connector.
4 Take the new bottle.
5 Connect the air tube to the new bottle.
6 To continue dosing with the new bottle, install the dosing
head.

5.5.3 Using the QL3 pump

Pressure indicator light
The pressure indicator light displays the status of the pump:
Light on: pressure is building up or pressure is established
Light off: there is no pressure and no pressure is building up
Light blinking: pump error and/or warning
Releasing the pressure
The pressure indicator light (1) is on.
Press the pressure release button (2) to release the
pressure.
The status light (1) turns off when pressure is released.
Purging the pump cavity
If bottles containing incompatible liquids (and for which the fumes should not mix) are connected to the pump
one after the other, it is recommended to purge the pump cavity before connecting the second bottle to the
pump.
A dosing head is attached to the dosing or liquid module. The bottle of this dosing head is not connected to
any pump.
A method Automated dosing or Automated solution prep. is running on the terminal.
1 Disconnect all tube adapters from the pump.
2 Connect an empty tube adapter to the right-most air outlet at the front of the pump.
The pump is trying to build pressure and air flows through the cavity of the pump, purging it.
The pump cavity has been purged and bottles can safely be re-connected to the air outlets.

5.6 Using other weighing methods

To use other methods with the balance, move the dosing module to its uppermost position.
For further information, consult the Reference Manual (RM) of your XPR balance.
Q3 Dosing Module
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u www.mt.com/XPR-analytical-RM
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