Heating Circuit 1, Heating Circuit 2, Heating Circuit 3/Group "5 - Viessmann Vitodens 200-W Installation Instructions Manual

Code 1

Heating circuit 1, heating circuit 2, heating circuit 3/group "5"

Select "Heating circuit ..." for weather-
compensated control unit (see
page 65).
Coding
Coding in the delivered condition
Priority DHW heating
A2:2 Cylinder priority applica-
ble to heating circuit
pump and mixer
Economy function, outside temperature
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
72
)
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
Select "5" for constant temperature con-
trol unit (see page 65).
Possible change
A2:0 Without cylinder priority ap-
plicable to heating circuit
pump and mixer
A2:1 Cylinder priority only appli-
cable to mixer
A2:3 Reduced priority for mixer:
to the heating circuit receives
A2:15 a reduced amount of heat.
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