Bosch CH 120 Guide De Démarrage Rapide page 18

Service menu
Menu item
Tube function
Switch-on diff.
solar pump
Switch-off diff.
solar pump
Max. collector
temp.
Therm.dis./daily
heat-up (K)
Start solar
thermal system
Solar yield reset
Reset Solar
module
Table 5
5.6 Function check
With the help of this menu, pumps and mixer in this system can be tested.
Menu item
Activating
function tests
Table 6
18
Description
No: Vacuum tube solar collector pump anti-seize function
switched off.
Yes: The pump is activated for 5 seconds every 15 minutes.
6 ... 10 ... 20 K: Temperature difference collector to storage
tank (to switch on the solar pump).
3 ... 5 ... 17 K: Temperature difference collector to storage tank
(to switch off the solar pump).
100 ... 120 ... 140 °C:If the maximum collector temperature is
exceeded, the pump is off.
No | Yes: Deactivates / activates daily heat-up
No: This function can be used to switch off the solar thermal
system for maintenance purposes.
Yes: The solar thermal system only starts up once this function
has been enabled.
No: The solar yield counter is not reset.
Yes: The solar yield counter is reset to 0.
No: Current settings of the solar parameters are retained.
Yes: All settings are reset to factory settings.
Description
No
Yes: Starts the function checks. Heating circuit, Solar and
Hybrid system are displayed.
CH 120 – 6721876580 (2024/02)