Viessmann VITODENS 242-F Installation And Service Instructions Manual page 112

Code 2
"Heating circuit ..."
Coding in the delivered condition
A5:5 With heating circuit pump
logic function (economy
control): Heating circuit
pump "OFF" when the
outside temperature (AT)
is 1 K higher than the set
room temperature (RT
AT > RT
Parameter address
A5:...
1
2
3
4
5
6
7
to
15
112
(cont.)
)
set
+ 1 K
set
With heating circuit pump logic function: Heating cir-
cuit 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
AT > RT – 9 K
set
Possible change
!
A5:0 Without heating circuit
pump logic function
A5:1 With heating circuit pump
to logic function: Heating cir-
A5:15 cuit pump "OFF"; see fol-
lowing table
Please note
"Important" to ob-
serve for coding ad-
dress "A3".