Datasheet

5822 239 GB
45
3.3 Installation notes
Change of external heating program/mixer open
Also applicable to Vitotronic 050
The manually pre-selected heating
program can be changed or the
connected mixer can be opened via the
volt-free plug-in connection aVD
terminals ”1” and ”2”.
Manually pre-selected heating program
(heating program with open contact)
Coding 2
enables changes after
<–> Changed heating program
Changes can be made in all listed heating
programs
(heating program with closed contact)
9
or
Room heating off/hot water off D5 : 0
(”as delivered”condition)
<–>
9 Room heating off/hot water off
w
or
Room heating off/hot water on
D5 : 1 <–>
rw Room heating constantly on/DHW on
rw Room heating on/hot water on
Code ”91” enables the external heating
program to be allocated to the
individual heating circuits:
Coding ”91”
Heating circuit 1
(mixer circuit M1 or directly
connected heating circuit A1)
Heating circuit 2
(mixer circuit M2)
Heating circuit 3
(mixer circuit M3)
”0”
”1” x
”2” x
”3” x x
”4” x
”5” x x
”6” x x
”7” x x x
External mixer open
Code ”9A” enables the external
function ”Mixer open” to be allocated
to the individual heating circuits:
Code ”9A”
Heating circuit 1
(mixer circuit M1)
Heating circuit 2
(mixer circuit M2)
Heating circuit 3
(mixer circuit M3)
”0”
”1” x
”2” x
”3” x x
”4” x
”5” x x
”6” x x
”7” x x x