Viessmann VITOTRONIC 300 - System Switching On and Off; Control Unit Layout and System Shutdown

41
Vitotronic 300, type CM1E and Vitotronic 100, type CC1E
Example: Vitotronic 300, type CM1E
23.02.17
16:57
BA C D
E
1 2 3
Fig. 3
A
Display
B
For contractors only:
button to test the high limit safety cut-out.
C
For contractors only:
Reset button for high limit safety cut-out
D
ON/OFF switch
E
For contractors only:
Temperature controller
Vitotronic 300, type CM1I and Vitotronic 100, type CC1I
Example: Vitotronic 300, type CM1I
B
23.02.17
16:57
1 2 3
A
Fig. 4
A
Display
B
ON/OFF switch
Shutting down the heating system
Vitotronic 300: With frost protection monitoring
For every heating circuit, select the "Standby
mode" operating program.
■
No central heating
■
No DHW heating
■
Frost protection for all boilers, heating circuits and
the DHW cylinder is active.
See also chapter "Switching off the central heating" on
page 24.
Note
The circulation pumps are briefly started every
24 hours to prevent them from seizing up.
Switching on and off
Control unit controls
5863758