Control Unit Diagnostics - Viessmann Vitocal 300-G BW Installation And Service Instructions Manual

Control unit diagnostics

Overview of the programming unit
D
§
M
L
51 °C 21 °C 22 °C 23 °C 24 °C 21 °C
K
4
H
G
A Standard display
B Rotary selector
"Reduced room temperature"
C Rotary selector
"Standard room temperature"
D Operating mode selector
E "Standard display" key
F Menu keys
Note
For descriptions of individual steps to call
up parameters and illustrations the dis-
play must be in standard display mode.
Messages
Messages are grouped, displayed and saved in 3 categories (see from page 114):
° ¯
1 2 3
} W W
}
THU 27.03.08
8
5
11:55
TYPE VX.XX
F
}
E
G No function
H Display area for current operating
conditions
K Message display area
L Set temperature display area
M Enabled system components dis-
play area
Standard display
■ Display during system operation
■ In daily use, the complete list of sym-
bols will never all be shown in its
entirety.
■ These symbols appear subject to the
system version and the operating
state.
Troubleshooting
A
B
C
D
111