Viessmann VITOLADENS333-F Service Instructions Manual page 55

Code 2
(cont.)
Coding in the delivered condition
A5:5 With heating circuit
pump logic function
(economy circuit): Heat-
ing circuit pump "OFF"
if the outside tempera-
ture (AT) is 1 K higher
than the set room tem-
perature (RT
AT > RT
Parameter address A5:
...
1
2
3
4
5
6
7
to
15
Possible change
A5:0
A5:1
to
A5:15
)
set
+ 1 K
set
With heating circuit pump logic function: Heating
circuit pump OFF, if
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
AT > RT - 9 K
set
Coding
Without heating circuit
pump logic function
With heating circuit pump
logic function: Heating
circuit pump "OFF", if
(see the following table)
55