IVT Airbox E 130-170, Installer'S Manual, Page: 51 / 64

Service menu
AirModule –6 720 813 268(2014/10)
51
Fig. 45 Screed drying process with standard settings
t Time in days
T
0
Flow temperature
Menu Item Setting range Description
Activated Yes Required drying program settings are displayed.
No The drying program is not active and the settings are not displayed (standard settings).
Dwell time before start No dwell time The floor plate screed drying program starts after set delay (selected heating circuits are disconnected
during the delay, the frost protection is active, standard setting: no delay,

fig. 45, time before day 0)
1 ...50 days
Start phase duration No start phase Time period between the beginning of the start phase and the next phase (  fig. 45, [1])
1 ... 3 ...30 days
Start phase temperature 20 ... 25 ... 55 °C Flow temperature during the start phase (  fig. 45, [1])
Heat-up phase step width No heat-up phase Time period between the steps (stage length) in the warm-up phase (  fig. 45, [3])
1 ...10 days
Heat-up phase temp. diff 1 ... 5 ... 35 K Temperature differential between the steps in the warm-up phase (  fig. 45, [2])
Holding phase duration 1 ... 7 ... 99 days Time period between the beginning of the maintenance phase (maintenance of max. temperature during
screed drying) and the next phase (

fig. 45, [4])
Holding phase temp. 20 ... 55 °C Flow temperature during the maintenance phase (maximum temperature) (

fig. 45, [4])
Cool-dn phase step wdth No cool-down phase Time period between the steps (stage length) during the cooling phase (

fig. 45, [5])
1 ...10 days
Cool-down phase t.diff 1 ... 5 ... 35 K Temperature differential between the steps in the cooling phase (

fig. 45, [6])
Endphase duration No end phase Time period between the beginning of the end phase (the last temperature step) and the end of the drying
program (
 fig. 45, [7])
Permanently
1 ...30 days
End phase temperature 20 ... 25 ... 55 °C Flow temperature during the end phase (

fig. 45, [7])
Max. interruption time 2 ... 12 ... 24 h Max. duration of an interruption of the drying program (e.g. by a screed drying pause or a power outage)
before an error message is displayed.
Screed dry. system Yes Screed drying active for all system heating circuits.
Instruction : It is not possible to select single heating circuits. DHW heating is not possible. The menus and
items with DHW settings are hidden.
No Screed drying is not active for all system heating circuits.
Instruction : It is possible to select single heating circuits. DHW heating is possible. The menus and items
with DHW settings are displayed.
Screed dry. H. circ. 1 ...
Screed dry. H. circ. 4 Yes Screed drying active/not active in the selected heating circuit
No
Start Yes Start screed drying now
No Screed drying has not yet started or is finished
Cancel Yes Pause the screed drying temporarily. An error message is displayed if max. time for an interruption is
exceeded.
No
Continue Yes Resume screed drying after screed drying pause.
No
Table 33 Settings in the Screed drying menu (fig. 45 shows floor board screed drying program standard settings)
6 720 810 154-31.1I
20°C
30°C
40°C
50°C
60°C
1 0 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
t
T
0
2
3
1
6
5
4
7