Dhw/Group "3; Heating Circuit 1, Heating Circuit 2, Heating Circuit 3/Group "5 - Viessmann VITODENS 222-F Installation And Service Instructions Manual

DHW/group "3"

Select "DHW" for weather-compensated control units (see page 63).
Select "3" for constant temperature control units (see page 63).
Coding
Coding in the delivered condition
Enable DHW circulation pump
73:0 DHW circulation pump:
"ON" in accordance with
the time program (only for
weather-compensated
control units)

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

Select "Heating circuit ..." for weather-compensated control units (see page 63).
Select "5" for constant temperature control units (see page 63).
Coding
Coding in the delivered condition
Economy function outside temperature
A5:5 With heating circuit pump
logic function (economy
mode): Heating circuit
pump "OFF" when the
outside temperature (AT)
is 1 K higher than the set
room temperature (RT
AT > RT
weather-compensated
control units)
Parameter address
A5:...
1
2
3
4
Possible change
73:1
to
73:6
73:7
Possible change
A5:0
A5:1
to
A5:15
)
set
+ 1 K (only for
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
Code 1
"ON" from once per hour
for 5 min up to 6 times per
hour for 5 min during the
time program
Constantly "ON"
Without heating circuit
pump logic function
With heating circuit pump
logic function: Heating cir-
cuit pump "OFF"; see the
following table
67