Setup mode
Chapter 4
OPERATION MANUAL
V2.4.0en/08.12.20//17.12
CC®-Immersion circulator
55
4.3.1.1
Filling and venting the bath thermostat and the externally closed application
PROCEDURE
Check that a hose was installed at the
>Overflow<
[12] (if present). The other end of the hose
must be inserted in a suitable collecting container. Excess thermal fluid will leak at this point
when the temperature control unit is overfilled. Hose and container must be compatible with the
thermal fluid and its temperature.
Lift the
>Bath cover<
[93] from the temperature control unit.
Carefully pour in suitable thermal fluid (see page 29 in section
) using the filling accessories (funnel and/or beaker). While filling, pay attention to any
necessary measures such as grounding the containers, funnels and other accessories. The ther-
mal fluid can flow via the hose connection to the external application. Follow the instructions for
cleaning the filling accessories on page 15 in section
»Proper disposal of resources and consum-
.
Switch on the temperature control unit.
Go to the “Categories Menu”.
Tap on the category “Temperature Control”.
Tap on the category “Start/Stop”.
Tap on the dialog entry “Start venting”.
Confirm your choice by tapping on “OK”.
Using the number keypad that appears, enter the time interval for venting. The default is 0.5
minutes.
Confirm your entry by tapping on “OK” to start the filling process. The filling process is complete
when the bath vessel is filled sufficiently. For temperature control units with heater, each heat-
ing coil of the heater must be below the thermal fluid level. This corresponds to the minimum
level in the bath/minimal filling. There must be no air bubbles left in the external application (e.g.
in the double jacket). The control electronics monitors the fill quantity and displays the level on
the graphic display.
Run the “venting program” for a few minutes. This ensures that trapped air bubbles can escape.
These bubbles would result in a safety shutdown during an actual temperature control process.
Stop venting. To do this, go to the category “Temperature Control”.
Tap on the category “Start/Stop”.
Tap on the dialog entry “Stop venting”.
Confirm your choice by tapping on “OK”. Venting is stopped and the pump continues to run for
approx. 30 seconds. Wait until the pump stops.
Put the
>bath cover<
[93] back onto the bath opening.
The volume expansion of the thermal fluid depends on the working temperature range you wish to
work in. Do not go below the minimum bath level/minimal level when working at the “lowest”
working temperature and there should be no overflow from the expansion vessel/temperature
control unit when working at the “highest” working temperature. In case of overfilling, drain the
excess amount of thermal fluid (see page 56 in Section
»Draining the bath thermostat«
). Check if
the thermal fluid can be reused. On page 15 observe Section
»Proper disposal of resources and
.
Check the level in the collecting container. Empty the container when necessary and dispose of
its contents properly.
In case of overfilling, drain thermal fluid via the
>Drain<
[8] into a suitable container (see page 56
the section
»Draining the bath thermostat«
. Check if the thermal fluid can be reused. Please
note on page 15 the section
»Proper disposal of resources and consumables«
.
Venting
and
degassing
must be performed especially during commissioning and after changing the
thermal fluid. This is the only way to ensure trouble-free operation. After venting is completed,
follow the steps on page 55 in section
»Degassing of bath thermostat«
4.3.1.2
Degassing of bath thermostat
Hot or cold thermal fluid and surfaces
BURNS TO LIMBS
Avoid direct contact with the thermal fluids or the surfaces.
Wear your personnel protective equipment (e.g. temperature-resistant safety gloves, safety
goggles, safety footwear).