Operating instructions

20
L
?
N
L
?
N
fÖ
S
P
aBJ
230 V~
Ö
[{{]
0-10V
f-]
A
U
0-10 V

+
+
-
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 sepa-
rate installation instructions).
The burner is switched off if this contact
is closed. The heating circuit pump and
(if installed) the circulation pump for cyl-
inder heating are switched according to
the set code (see following table
"Codes").
!
Please note
'Live' contacts lead to short cir-
cuits or phase failure.
The external connection must be
potential-free and comply with
the requirements of safety cate-
gory II.
Installation sequence
Electrical connections
(cont.)
5772 909 GB