35
Plug
sYS
Terminals
Function
Explanation
212.3
DHW circulation pump
Connection values
■
Output: 50 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
212.4
Solar circuit pump with high limit safe-
ty cut-out (up to 95 °C) for DHW cylin-
ders
Connection values
■
Output: 130 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
Connect high limit safety cut-out, part no. 7506 168,
in
series
to the solar circuit pump: See "High limit safety
cut-out" installation instructions.
Connecting a temperature limiter as a maximum temperature limiter for underfloor heating
Connecting a general temperature limiter
B
M
1~
C
B
X2.N
?
A
X1.
Fig. 27
Connecting the temperature limiter, part no. 7151 728,
7151 729
B
M
1~
C
B
sÖ
X2.N
?
A
X1.
Fig. 28
Heating circuit without mixer A1/HC1
Connection
A
to
control unit
Circulation pump
C
■
Without heating water buffer cylinder
211.2
Secondary pump
■
With heating water buffer cylinder
212.2
Heating circuit pump A1/HC1
Installation sequence
Electrical connection
(cont.)
5700 582 GB
Installation
