7 | Carrying out the maintenance / inspection
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BeWa CTU1x3x-CTU1x4x 4093420f en-us web
7.5.2 Filling the test liquid / Filling the extraction unit
The extraction unit must be filled during initial start-up and during
operation if the test liquid level is too low.
NOTICE
Overfilling the extraction unit
The extraction unit does not work.
u
Add only the required indicated fill quantity for the test fluid.
Before topping up, calculate the maximum refill quantity according
to the following formula:
Volume
= Volume calculation
Initial filling
= 20 liters
Topping up
= 19 liters – Volume B1 – Volume B2
Tab. 10: Volume calculation
Filling the CTU1x3x
To fill the extraction unit/to top up the test liquid, proceed as fol-
lows:
ü
Start the "Fill system" procedure in the user interface and fol-
low the instructions.
Level
≈1 liter
1. Owing to the design of the unit, the level sensor in the con-
tainer does not capture the container bottom. As a result, a
container content of 1 liter is always displayed in the user in-
terface.
2. Enter the previously determined and measured test liquid
into the system via the analysis chamber.
NOTICE! The maximum filling quantity is = 20 liters.
3. Then start the suctioning of the test liquid in the user inter-
face. The filled test liquid is suctioned into the pre-selected
container B1 or B2.
4. Wait until the test liquid is completely suctioned out.
O
The filling of the extraction unit is complete.
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Содержание CTU 1 3 Series
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