28 / 52
Alpha
7.6
Defining temperature limits
Hi
and
Lo
With this function, it is possible to define a minimum and a maximum temperature in which the thermostat controls. By
reaching the temperature limits, a warning appears. In this way setpoint input can be prevented which may damage the
heat transfer medium or the apparatus. For example, if water is used as the heat transfer liquid, 95 °C would be practi-
cable as the maximum temperature and 5 °C as the minimum temperature. The default values are Hi = 105 °C and
Low = -30 °C.
2x for
Hi
3x for
Lo
and 1x
Select option
Hi
(maximum temperature),
or option
Lo
(minimum temperature) using the key
.
Enter the selection
The maximum temperature can be set from 35 °C to 105 °C.
The minimum temperature can be set from -30 °C to 30 °C.
The current temperature limit value is displayed flashing.
or
Set the required temperature limit.
Wait 4 seconds or
Display flashes 4 seconds
new value is automatically accepted, or
By pressing the <Enter> key the value is accepted immediately.
7.7
Refrigeration unit submenu
CooL
Menu
Cool
only with cooling thermostats.
4x
to
CooL
and 1x
Call the option
CooL
.
or
Configure the refrigeration system with these possible settings:
Auto
automatic refrigeration mode;
on
refrigeration on duty;
oFF
refrigeration out of duty.
The selected mode is displayed flashing.
Wait 4 seconds or
Display flashes 4 s
new selection is automatically accepted,
or
it is immediately accepted with the <Enter> key.
H i
L o
Содержание RA 12
Страница 12: ...12 52 Alpha 7 2022 1 Control head with clamp 2 Bath vessel 3 Four mounting feet 1 2 3...
Страница 14: ...14 52 Alpha 7 2022 1 Mains cable 2 Rating label 3 Cooler cable 4 Bath drain nozzle 1 2 3 4...
Страница 44: ...44 52 Alpha 7 2022 Cooling characteristics Alpha RA 8 RA 12 and RA 24 230 V 230 V...
Страница 45: ...7 2022 Alpha 45 52 11 Declaration of Conformity and Product Returns...
Страница 46: ...46 52 Alpha 7 2022...
Страница 47: ...7 2022 Alpha 47 52...
Страница 51: ......