Settings - Buderus Logamatic SC40 Installation And Servicing Instructions

Service level menu (for qualified heating engineers only)
7.5

Settings

The system-related controller settings are dependent on the solar thermal system configuration cho-
sen.
V Check all settings (
gram.
V To switch to the Service level menu: simultaneously press the
V Use the rotary selector
SERVICE
Language
Time
System selection
>
Settings
Operating mode
V Use the rotary selector
V Press and hold the
V To save the new setting: release the
V To return to the next menu up, press the
7.5.1 Cut-in temperature differential
Menu: Service > Settings > Solar system cut-in temperature differential
If the set cut-in temperature differential (ΔT) between the bottom of the cylinder and collector field
is reached and all conditions for switching on are met, the solar system pump starts up.
Setting range
7 -20 K (°C)
Tab. 14
Logamatic SC40 - Technical specifications are subject to change without prior notice.
Section 7.1, page 48) for relevance to the selected configuration dia-
to select Settings then press
to select the desired setting.
button and use the rotary selector
OK
OK
Default range setting
OK
button.
button.
10 K (°C)
and buttons.
OK
to confirm.
to change the setting.
New setting
7
55