15
L
?
N
L
?
N
fÖ
S P
aBJ
230 V~
Ö
[{{]
0-10V
f-]
A
U
0-10 V
+
+ -
Fig. 9
0
–
1 V
≙
No default set boiler water temperature
1 V
≙
Set value 10 °C
10 V
≙
Set value 100 °C
External blocking via switching contact
Connection options:
■
Plug
lH
.
■
Extension EA1 (accessory, see separate installation
instructions).
The burner is switched off if this contact is closed. The
heating circuit pump and (if installed) the circulation
pump for cylinder heating are switched according to
the set code (see following table "Codes").
!
Please note
'Live' contacts lead to short circuits or phase fail-
ure.
The external connection
must be potential-free
and comply with the requirements of safety cate-
gory II.
Plug
lH
Extension EA1
A
lH
N
?
1 L
A
Floating contact (when connecting, remove jumper
across L and 1)
B
[{S
DE
[{D
DE
[{A
DE
A
A
Floating contact
B
Extension EA1
Codes
■
"4b:2" in group
"General"
/
1
■
Effect of the function on the heating circuit pump:
Coding address "d6" in group
"Heating circuit"
(only
with weather-compensated control units).
■
Effect of the function on the circulation pump for cylin-
der heating (if installed):
Coding address "5E" in group
"DHW"/3
.
Codes
■
Set "3A" (DE1), "3b" (DE2) or "3C" (DE3) in group
"General"
/
1
to 3 or 4.
■
Effect of the function on the heating circuit pump:
Coding address "d6" in group
"Heating circuit"
(only
with weather-compensated control units).
■
Effect of the function on the circulation pump for cylin-
der heating (if installed):
Coding address "5E" in group
"DHW"/3
.
Installation sequence
Electrical terminals
(cont.)
5772 980 GB
Installation