19
Circulation pump at plug
sA
:
A
1~
M
sA
L N
?
A
Circulation pump
Rated current
2(1) A~
Rated voltage
230 V~
Set function of connected component
in coding address "39"
Function
Code
DHW circulation pump
39:0
Heating circuit pump for
heating circuit without mixer
A1
39:1
Circulation pump for cylinder
heating (delivered condi-
tion)
39:2
External demand via switching contact
Connection options:
■ Extension EA1 (accessory, see sepa-
rate installation instructions).
■ Plug
lH
.
Connection
!
Please note
'Live' contacts lead to short cir-
cuits or phase failure.
The external connection
must be
floating
.
Installation sequence
Electrical connections
(cont.)
5623 520 GB
Installation