45
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 safety cut-out (up to
95 °C) for DHW cylinders
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" in-
stallation instructions.
Connecting a temperature limiter as a maximum temperature limiter for under-
floor heating
Connecting a general temperature
limiter
B
M
1~
C
B
X2.N
?
A
X1.
Connecting the temperature limiter,
part no. 7151 728, 7151 729
B
M
1~
C
B
sÖ
X2.N
?
A
X1.
Installation sequence
Electrical connection
(cont.)
5546 699 GB
Installation
