101
Coding in the delivered condition
Possible change
A6:36
Extended economy func-
tion
disabled
(only for
weather-compensated
control units)
A6:5
to
A6:35
Extended economy func-
tion enabled, i.e. the burner
and heating circuit pump
will stop and the mixer
close at a variable value,
adjustable between 5 and
35 °C plus 1 °C. The base
value is the adjusted out-
side temperature. This val-
ue is based on the actual
outside temperature and a
time constant, which takes
the cooling down of an
average building into con-
sideration.
A7:0
Without mixer economy
function (only for a weath-
er-compensated control
unit and heating circuit
with mixer)
A7:1
With mixer economy func-
tion (extended heating cir-
cuit pump logic):
Heating circuit pump also
"OFF":
■ If the mixer has been at-
tempting to close for lon-
ger than 20 min.
Heating circuit pump
"ON":
■ If the mixer changes to
control function
■ If there is a risk of frost
A8:1
Heating circuit with mixer
creates a demand for the
boiler circuit pump (only
for weather-compensa-
ted control units)
A8:0
Heating circuit with mixer
creates no demand for the
boiler circuit pump
A9:7
With pump idle time:
Heating circuit pump
"OFF" if the set value is
altered through a change
in operating mode or
through a change in the
set room temperature
(only for weather-com-
pensated control units)
A9:0
Without pump idle time
A9:1
to
A9:15
With pump idle time, ad-
justable from 1 to 15. The
higher the value, the longer
the pump idle time.
Code 2
Heating circuit 1, heating circuit 2, heating…
(cont.)
5623 520 GB
Service
