Operating instructions

The temperature limits Tih and Til also influence the
control.
6.10.6 Adjusting external control parameters
Personnel:

Operating personnel
1.
Select the menu item Control Parameter  extern Pt100 in
the Control menu.
2. Select one of the following options:
 You can select any of the listed control parameters.
 With Tv manual/auto , you can define whether the control
parameters Tve , Tde and Prop_E are set manually or
automatically. If the automatic setting is active, both con-
trol parameters are displayed with a padlock and cannot
be selected. In this case, Tve and Tde are derived with
fixed factors from Tne .
3. Confirm with the ENTER button.

Selection of the menu item Tv manual/auto activates
manual or automatic control depending on the previous
setting. An input window is displayed when the other
menu items are selected.
4. Adjust the value accordingly.
5. Confirm with the ENTER button.
6.11 Basic settings
6.11.1 Invoking basic settings
1. Change to the main menu.
2.
Select the menu item Setup  Basic setup.
The basic settings are described in the following chapters.
6.11.2 Setting volume of the sounds
The devices signal alarms and faults as two-tone sounds. Warn-
ings are signalled as a continuous tone.
Fig. 40: Basic setup menu
Operation
Variocool 54