Huber 705 - Draining Externally Open Applications

Setup mode
Chapter 4 OPERATION MANUAL
V2.0.0en/09.06.16//15.09 Unistat®
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 Repeat increasing the setpoint by 10 K until the maximum working temperature of the ther-
mofluid has been reached.
 Tap on the “Stop” touch button as soon as no more gas bubbles rise up at the thermofluid’s
maximum working temperature.
 Confirm the stop of the temperature control process by tapping on “OK”.
The correct selection will be displayed graphically. Thermoregulation is stopped immediately and
the pump continues to run for approx. 30 seconds. Wait until the pump stops. If tapping on “OK”
is not correct, it will be displayed graphically for 2 seconds. The display will return to the “Home”
screen. Try stopping the temperature control process again. The de-gassing process is complete.
4.3.2.3 Draining externally open applications
Hot or very cold thermal fluid
SERIOUS BURNS/FREEZING OF LIMBS
 Before draining, ensure that the thermal fluid has room temperature (20 °C).
 If, at this temperature, the thermal fluid is too viscous to be drained: Control the temperature
of the thermal fluid for a few minutes until the viscosity will allow drainage. Never control the
temperature of the thermal fluid when the drain is open.
 Danger of burns when draining thermal fluids at temperatures above 20 °C.
 Wear your personal protective equipment when carrying out the drainage operation.
 Only drain with a suitable draining hose and container (these must be resistant to the thermal
fluid and temperature).
PROCEDURE
 Connect a suitable drain hose to the >Drain< [8].
 Place the other end of the hose in a suitable container.
Table-top models
 Open the >Drain valve thermofluid[3] by turning it counterclockwise (turn 90° left as far as it will
go). The thermofluid will flow from the external application via the pump chamber and the drain-
ing hose into the container. Check if the thermofluid can be reused. On page 16 observe section
»Proper disposal of resources and consumables«.
 Drain your externally closed application. The description for the drainage procedure can be
found in the documents you received with the application. Check if the thermofluid can be re-
used. On page 16 observe section »Proper disposal of resources and consumables«.
 Open the connection >Circulation flow< [1].
 Open the connection >Circulation return< [2]. Leave the temperature control unit open for a
while to dry out (without screw caps) and with the >Drain valve thermofluid< [3]) open.
Free-standing models
 Open all >Drain valves< [3] and [5] by turning them counterclockwise (turn 90° left as far as they
will go). The thermofluid will flow from the external application via the pump chamber and the
draining hose into the container. Check if the thermofluid can be reused. On page 16 observe
section »Proper disposal of resources and consumables«.
 Drain your externally closed application. The description for the drainage procedure can be
found in the documents you received with the application. Check if the thermofluid can be re-
used. On page 16 observe section »Proper disposal of resources and consumables«.
 Open the connection >Circulation flow< [1].
 Open the connection >Circulation return< [2]. Leave the temperature control unit open for a
while to dry out (without screw caps) and with the >Drain valve thermofluid< [3]) open.
Draining residual liquid in externally open application with >Drain valve thermofluid< [3].
 Remove the knurled screw at the >Drain< [8].
 Connect a suitable drain hose to the >Drain< [8].
 Place the other end of the hose in a suitable container.
 Open the >Drain valve thermofluid[3] by turning it counterclockwise (turn 90° left as far as it will
go). The thermofluid will flow from the external application via the bath vessel and the draining
hose into the container. Check if the thermofluid can be reused. On page 16 observe section
»Proper disposal of resources and consumables«.
 Wait until the external application and the bath are empty.
 Open the connection >Circulation flow< [1].
 Open the connection >Circulation return< [2].