Viessmann Vitodens 200-W Installation Instructions Manual page 99

Heating circuit 1, heating circuit 2, heating...
Coding in the delivered condition
A4:0 With frost protection (only
for weather-compensa-
ted control units)
A5:5 With heating circuit pump
logic function (economy
control): heating circuit
pump "OFF" when the
outside temperature (OT)
is 1 K higher than the set
room temperature (RT
OT > RT
weather-compensated
control units)
Parameter address
A5:...
1
2
3
4
5
6
7
to
15
Coding in the delivered condition
A6:36 Extended economy con-
trol disabled (only for
weather-compensated
control units)
Possible change
A4:1
A5:0
A5:1
to
A5:15
)
set
+ 1 K (only for
set
With heating circuit pump logic function: heating cir-
cuit pump "OFF"
OT > RT + 5 K
set
OT > RT + 4 K
set
OT > RT + 3 K
set
OT > RT + 2 K
set
OT > RT + 1 K
set
OT > RT
set
OT > RT - 1 K
set
OT > RT - 9 K
set
Possible change
A6:5
to
A6:35
Code 2
(cont.)
No frost protection; this set-
ting is only possible if code
"A3:-9" has been selected.
Note
"Important" observe for
code "A3".
Without heating circuit
pump logic function
With heating circuit pump
logic function: heating cir-
cuit pump "OFF"; see fol-
lowing table
Extended economy mode
enabled
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