1.
Press the Enter key to open the menu.
2.
Select the menu items
Setup
Cooling
.
3.
Select one of the following options:
n
With the [autom.] setting, the cooling unit is switched automati-
cally. When cooling capacity is required, the cooling unit switches
on.
n
With [off], the cooling unit remains switched off.
n
With [on] ,the cooling unit cools permanently.
4.
Press [OK] to confirm the selection.
6.11
Setting temperature limits Tih and Til
This function is used to set temperature limits Tih and Til. The temperature
limits limit the set temperature. A warning is issued if the internal actual
temperature is outside the temperature limits. These temperature limits
should reflect the limits of your application. A tolerance of 2 K should
also be added to the upper and lower temperature limits to compensate
for overshooting by the control, in particular external controls. The working
temperature range of the heat transfer liquid must also be taken into consid-
eration when defining temperature limits.
1.
Press the Enter key to open the menu.
2.
Select the menu items
Setup
Temperature limits
Lo.limit (Til)
or
Up.limit (Tih)
.
The entry window appears. The cursor flashes under the value. The
upper and lower temperature range is displayed.
3.
Change the value with the arrow keys.
By pressing the
[ESC]
key, you return to the higher-level
menu without making any changes.
4.
Press the Enter [OK] key.
The value is accepted.
6.12
Lock and release operating buttons
The operating buttons can be locked in order to protect the device when
using a process control system or against unauthorized access.
Fig. 53: Configuring cooling
Setting Tih and Til
Fig. 54: Define temperature limits
V6
Integral Process Thermostats and High-Temperature Thermostats
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