Hettich HettCube 200, Operating Manual

Page: 162 / 174

en 12.2020 / Rev. 02 AB66005 162 / 174
Examples
Fig. 225: ‘Dehumidification’ program
B.5 Temperature drop on the weekend including the passive dehumidification
option
Description:
The incubator is operated at a temperature of 37 °C during the work-
week. Starting on Saturday 12:00 p.m., the temperature drops to 4
°C. On the following Monday, the sample material is taken out at
approx. 8:00 a.m. at a temperature of 37 °C. The beginning of the
heating phase is defined with a lead time of 5 h on Monday at 3:00
a.m. During these 5 h, the ventilation opening should be open. This
way, moisture can escape from the incubator during the heat-up
phase.
Operating mode:
Program mode, programming with external contact.
Mon
PS1 PS2 PS2
PS3
PS4 PS4
Tue Thu Fri Sat Son Mon Wed
37
°C
4
1
PS3
2 2
Fig. 224: Diagram ‘Using the passive dehumidification option,
example of temperature drop during weekend’
1
Starting time (Friday 10:00 a.m.)
2 Ventilation opening open
PS Program segment
NOTICE
The device must be equipped with the passive dehu-
midification option

Chapter 6.13.6.2 ‘Passive
dehumidification option’ on page 104.
Set the program as shown; see

Chapter 6.12.2
‘Creating a program’ on page 70. The ventilation
opening is opened as long as the control contact is
active.
Please take the starting time into account; see

‘Timer’ on page 86.