Operating instructions

Coding in
the as
delivered
condition
Address:
value
Function mode Coding
change
Address:
value
Possible change
A7:0
*
1
Without mixer econ-
omy function
A7:1 With mixer economy
function (extended h eat-
ing circuit pump logic):
Heating circuit pump also
OFF, if the mixer was
closed for lon ger than
20 minutes. Heatin g
pump ON,
&
if the mixer changes to
control mode
or
&
aftercylinderloading
(for 20 minutes)
or
&
if there is a risk of frost
A8:1
*
1
Heating circuit M2
(mixer circui t) creates a
demand for the in ternal
circulation pump
A8:0 Heating circuit M2 (mixer
circuit) creates no
demand for the in ternal
circulation pump
A9:7
*
1
With pump idle per-
iod: Heating circuit
pump OFF in case of
set value modifi cation
(by changing the oper-
ating mode or changing
the set room tempera -
ture)
A9:0
*
1
Without pump idle per-
iod
A9:1
to
A9:15
With pump idle time,
adjustable from 1 to 15
Code 2 (cont.)
56
Coding
5692 548 GB
*1
Only for weather-compensated control unit.