Metrohm 806 Exchange Unit - Manual (Page 22)

3.3 Mounting the components
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806 Exchange Unit
3.2.5 Removing the exchange unit
To remove the exchange unit, proceed as follows:
1 Carry out the 'Filling' function on the control device.
NOTE
Do not try to remove the exchange unit when the piston of the
exchange unit or the piston rod of the drive is in zero position.
2 Carefully remove the exchange unit to the front.
If it is not possible to remove the exchange unit, check the status of
the control device.
3 If the control device is still busy, press the key <STOP> and wait until
the device is ready.
4 If the control device is overloaded and a corresponding error mes-
sage is displayed, switch it off and on again.
5 If the device is displaying that it is busy with filling the cylinder but
apparently nothing happens, the filling rate is maybe set too low. Try
to increase the filling rate and wait until the device is ready.
3.3 Mounting the components
3.3.1 Mounting the thermostat casing
If a solvent with a constant temperature is necessary for a titration, the
6.1563.040 thermostat casing is used. Water with a certain temperature is
pumped through the thermostat casing and this way the temperature of
the content in the dosing cylinder is kept constant.
The thermostat casing may only be used with a thermostat equipped with
a pressure and suction pump (the feeding pressure must not be too high).
The thermostat casing may only be used in a temperature range from
15...50 °C.