Heidolph Hei-CHILL 3000, Operating Manual

Page: 19 / 120

Start-Up
19
✓ The “Temperature limits” submenu
appears.
➜ Press the up
p
or down
q
arrow button
to select the lower limit “Til” or the
upper limit “Tih”.
➜ Confirm “Til” using the button “Select” .
✓ The “Lower limit” submenu appears.
✓ A cursor flashes under the set value.
➜ Correct the currently set value using
the arrow buttons right
u
or left
t
and
up
p
or down
q
.
➜ Confirm the entire desired value using
the button “Select” .
✓ The set value will be stored.
➜ Return to the “Temperature limits”
submenu using the left arrow
button
t
.
➜ Press the left softkey under “ESC” to
return to the base menu.
Setting the upper temperature limit
➜ Repeat the procedure for the upper limit value
Setting the temperature setpoint
The adjustable temperature range for the setpoint is automatically
limited by the temperature limits. It can be set to a maximum of 2 °C
below the upper temperature limit and 2 °C above the lower tempera -
ture limit.
At a temperature setpoint or current temperature < 5 °C, the yellow
LED on the device will light up. It warns you about the possible incor -
rect use of the thermal fluid and resulting damage to the device.