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

Solar/group "4"
(cont.)
Coding
Coding in the delivered condition
Speed control solar circuit pump
02:0 Solar circuit pump is not speed-
controlled.
Cylinder maximum temperature
08:60 Set DHW temperature (maximum
cylinder temperature) 60 °C.
Stagnation time reduction
0A:5 Temperature differential for stagna-
tion time reduction (reduction in
the speed of the solar circuit pump
to protect system components and
heat transfer medium) 5 K.
Flow rate solar circuit
0F:70 Solar circuit flow rate at the maxi-
mum pump speed 7 l/min.
Extended solar control functions
20:0 No extended control function ena-
bled.

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

Select "Heating circuit ..." for weather-compensated
control unit (see page 51).
Possible change
02:1 Solar circuit pump is speed-control-
led with wave packet control.
02:2 Solar circuit pump is speed-control-
led with PWM control.
08:10 Set DHW temperature adjustable
to from 10 to 90 °C.
08:90
0A:0 Stagnation time reduction disabled.
0A:1 Temperature differential adjustable
to from 1 to 40 K.
0A:40
0F:1 Flow rate adjustable from 0.1 to
to 25.5 l/min;
0F:255 1 step
20:1 Additional function for DHW heating.
20:2 Differential temperature control 2.
20:3 Differential temperature control 2
and ausiliary function.
20:4 Differential temperature control 2 for
central heating backup.
20:5 Thermostat function.
20:6 Thermostat function and auxiliary
function.
20:7 Solar heating via external heat ex-
changer without additional tempera-
ture sensor.
20:8 Solar heating via external heat ex-
changer with additional temperature
sensor.
20:9 Solar heating of two DHW cylinders.
Select "5" for constant temperature control unit (see
page 51).
Code 1
≙
0.1 l/min.
55