TC-MIDI (+)
7.6 Drying of the moisture detector (option)
The moisture detector must be dried if moisture enters.
– Close the gas supply.
– Switch off and unplug the device.
– Loosen the swivel nut for the moisture detector connection line and disconnect the line.
– Unscrew the moisture detector counter-clockwise and remove.
– Dry moisture detector.
– Reinsert the moisture detector and carefully tighten the screw connection.
– Connect the connection line and tighten the swivel nut.
– Restore the power and gas supply.
7.7 Calibration of the moisture detector (option)
– When replacing the moisture detectors, they must be recalibrated.
– Be sure dry gas flows through the cooler.
– Select cooler menu and confirm.
or
– Select menu item moisture detector.
– The display shows (Reset).
– Confirm the display to calibrate the moisture detectors.
For a detailed overview of menu navigation, refer to chapter "Operation and Control".
7.8 Replacing sample gas pump inlet and outlet valves (optional)
First detach the screw connections.
Unscrew the inlet or outlet valve with a wide slot screwdriver.
Attention:
The PVDF and PVDF with bypass valve pump bodies already have PTFE gaskets installed in the gas inlets and outlets.
These are also included in the valve spare parts kit. Remove the old gaskets before installing the new ones.
The inlet and outlet valves are identical. Their installation position determines the function. As shown in the image, the valves
are blue on one side and black on the other. The valves are further marked “IN” or for inlet and “OUT” for outlet.
Inlet valve
Outlet valve
30
Bühler Technologies GmbH
BE440025 ◦ 10/2018
