Function Description; Control Unit; Control And Display Elements - Viessmann Vitoladens 300-C Service Instructions Manual

Function description

Control unit

Control and display elements

Boiler water temperature
Mo
A Fault indicator (red)
B ON indicator (green)
C Optolink interface
only in conjunction with the diagnos-
tic adaptor (accessory) and Vitosoft
(accessory)
Keys at the user interface:
A Central heating time program
B DHW heating and DHW circu-
lation pump time programs (if
connected to the control unit)
H Holiday program
D
Time / Date
E Reduced room temperature
F Set DHW temperature
76
°C
+
OK
­
D User interface
E Reset button
F ON/OFF switch
G Rotary selector for standard room
temperature
O+F Emissions test function
K Standby mode
L Only DHW
G Heating and DHW
M Party mode
N Economy mode
b/a Setting values
d
Confirmation
c Information
e Standard setting (Reset)