31
Plug
lH
EA1 extension
A
lH
N
?
1 L
A
Floating contact (when connected, remove jumper
between L and 1)
B
[{S
DE
[{D
DE
[{A
DE
A
A
Floating contact
B
EA1 extension
Codes
■
"4b:1" in group
"General"/1
■
Effect of the function on the relevant heating circuit
pump:
coding address "d7" in group
"Heating circuit"
(only
for weather-compensated control units)
■
Effect of the function on the circulation pump for cylin-
der heating:
coding address "5F" in group
"DHW"/3
Codes
■
Set "3A" (DE1), "3b" (DE2) or "3C" (DE3) to 2 in
group
"General"/1
■
Effect of the function on the relevant heating circuit
pump:
coding address "d7" in group
"Heating circuit"
(only
for weather-compensated control units)
■
Effect of the function on the circulation pump for cylin-
der heating:
coding address "5F" in group
"DHW"/3
External demand via 0
–
10 V input
Connection at 0
–
10 V input at
EA1 extension
.
Ensure DC separation between the earth conductor
and the negative pole of the on-site power source.
U
+
L N
L
N
fÖ
S P
aBJ
Ö
[{{]
0-10V
f-]
A
+ -
Fig. 38
0 to 1 V
No specification for 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
■
EA1 extension (accessory, see separate installation
instructions)
When the contact is closed, the burner is switched off.
The heating circuit pump and (if installed) the circula-
tion pump for cylinder heating are switched according
to the set code (see the following table "Codes").
Connecting external cables
(cont.)
5792 916 GB
Summary of Contents for CI1
Page 43: ...43 5792 916 GB ...
