Bühler technologies GAS 222.21 Notice De Montage page 12

GAS 222.21
5 Operation and Control
NOTICE
The device must not be operated beyond its specifications.
WARNING
Housing or component damage
Never exceed the maximum working pressure and temperat-
ure range of the drive.
5.1 Basic function of the probe controller
5.1.1 Regulator Functions
After switching on the combination the probe is heated up.
The display with the current temperature will light up on the
controller. As long as the set operating range is has not yet
been reached, the display will flash and the status contact is
in Alarm position. Once the working range has been reached,
the status contact switches and the display is steady.
The target temperature, the working range of the probe and
the temperature unit (°C/°F) are set using the three control
buttons on the controller. This is described in chapter "Opera-
tion and use".
The factory settings are: Unit: °C; target temperature: ; work-
ing range: ±10 °C
5.1.2 Advanced Functions with Built-In Regulator for
Heated Extension (Optional)
The display will alternating between "Prob"– adapter temper-
ature – "AdOn"– extension temperature.
5.1.3 Advanced functions for built-in blowback control
(optional)
After switching on the probe, blowback will always first be ini-
tiated.
Blowback is always indicated by the display alternating
between the temperature and "bbon" (blow back on).
5.1.4 Additional Board for Solenoid Valves and Limit
Switches (SV Board Option)
The regulator is equipped with an additional board for con-
necting the purge gas valve, sample gas valve and limit
switch. The valves and the limit switch are factory fitted.
The built-in regulator (SSR board) or built-in blowback control
(RSS board) option are not available when ordering the addi-
tional board option.
12 Bühler Technologies GmbH
5.2 Use of menu functions
Overview of the operational principal:
Use this short description if you have experience with the
device.
Operation is carried out by only the keys with the following
functions:
Key
• Switch from measurement display to main
menu
• Selection of the display menu item
• Accepting the changed value or selection
• Switch to the upper menu item
• Increase of the value of switching the selection
• Temporary display of the alternative measure-
ment display (if option is installed)
• Switch to lower menu item
• Decrease of the value of switching the selection
• Temporary display of the alternative measure-
ment display (if option is installed)
Function
BX460046 ◦ 09/2021