Viessmann Vitotronic 200 Installation And Service Instructions Manual page 96

Coding
Code 2
(cont.)
Coding in the delivered condition
A4:0 With frost protection
A5:5 With heating circuit
pump logic function
(economy mode):
Heating circuit pump
"OFF" when the outside
temperature (AT) is 1 K
higher than the set
room temperature
(RT )
set
AT > RT
Parameter address
A5:...
1
2
3
4
5
6
7
to
15
96
Possible change
A4:1
A5:0
A5:1
to
A5:15
+ 1 K
set
With heating circuit pump logic function: Heating
circuit pump "OFF"
AT > RT + 5 K
set
AT > RT + 4 K
set
AT > RT + 3 K
set
AT > RT + 2 K
set
AT > RT + 1 K
set
AT > RT
set
AT > RT 1 K
set
to
AT > RT 9 K
set
No frost protection.
Adjustment only possible
if code "A3: 9" has been
selected.
Note
Observe the information
regarding coding address
"A3".
Without heating circuit
pump logic function
With heating circuit pump
logic function:
Heating circuit pump
"OFF", see the following
table