Bosch CR 400 Installation Instructions For Contractors page 40

40 | Service menu
Menu item
Activated
Dwell time before start
Start phase duration
Start phase temperature
Heat-up phase step width
Heat-up phase temp. diff
Holding phase duration
Holding phase temp.
Cool-dn phase step wdth
Cool-down phase t.diff
Endphase duration
End phase temperature
Max. interruption time
Screed dry. system
Screed dry H. circ. 1 ...
Screed dry h. circ. 8
Start
Interrupt
Continue
Table 18 Settings in the Screed drying menu (Fig. 25 shows the default setting of the screed drying program)
6 720 820 872 (2016/12)
Adjustment range Description
Yes The required settings for the screed drying are displayed.
No
The screed drying is not active and the settings are not displayed (default
setting).
No dwell time The screed drying program starts after the set waiting time (selected heating
circuits are switched off during the waiting time, frost protection is active;
1 ... 50 days
default setting: no waiting time,
No start phase Time delay between the beginning of the start phase and the next phase
( Fig. 25, [1])
1 ... 3 ... 30 days
20 ... 25 ... 55 °C Flow temperature during the start phase (
No heat-up phase Time delay between the steps (increment) in the heat-up phase
( Fig. 25, [3])
1 ... 10 days
1 ... 5 ... 35 K Temperature differential between the steps in the heat-up phase
( Fig. 25, [2])
1 ... 7 ... 99 days Time delay between the beginning of the holding phase (duration of the
maximum temperature for screed drying) and the next phase
( Fig. 25, [4])
20 ... 55 °C Flow temperature during the holding phase (maximum temperature,
Fig. 25, [4])
No cool-down phase Time delay between the steps (increment) in the cooling phase
( Fig. 25, [5])
1 ... 10 days
1 ... 5 ... 35 K Temperature differential between the steps in the cooling phase
( Fig. 25, [6])
No end phase Time delay between the beginning of the end phase (last temperature step)
and the end of the screed drying program (
Permanently
1 ... 30 days
20 ... 25 ... 55 °C Flow temperature during end phase (
2 ... 12 ... 24 h Maximum duration of a screed drying interruption (e.g. by stopping the
screed drying or power failure) until a fault display is output.
Yes Screed drying is active for all heating circuits of the system
Notice: single heating circuits cannot be selected. DHW heating is not
possible. The display of menus and menu items with settings for DHW is
switched off.
No Screed drying is not active for all heating circuits
Notice: single heating circuits can be selected. DHW heating is possible. The
menus and menu items with settings for DHW are enabled.
Yes Screed drying in the selected heating circuit is active/not active
No
Yes Start screed drying now
No Screed drying not yet started or terminated
Yes Temporarily stop screed drying. If the maximum interruption duration has
been exceeded, a fault display is output.
No
Yes Continue screed drying after stop.
No
Fig. 25, time before day 0)
Fig. 25, [1])
Fig. 25, [7])
Fig. 25, [7])
CR 400 | CW 400 | CW 800