52
Plug
sYS
Terminals
Function
Explanation
212.2
A1
Heating circuit pump for
heating circuit without mixer
A1/HC1
■ This pump is connected in addition to
the secondary pump if a heating water
buffer cylinder is installed.
■ Connect temperature limiter as a max-
imum temperature limiter for under-
floor heating circuit (if installed) in ser-
ies (see following chapter)
Connection values
■ Output: 100 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site.
212.3
DHW circulation pump
Connection values
■ Output: 50 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site.
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.)
5600 950 GB
