44
Plug
sXG
Terminals
Function
Explanation
225.1
M2
r
Heating circuit pump of the
heating circuit with mixer
M2/HC2
Connect a temperature limiter to restrict
the maximum temperature for underfloor
heating circuits (if installed) in series.
Connection values:
■ Output: 100 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
225.2
M2
Mixer motor control, heat-
ing circuit M2/HC2
Signal mixer CLOSED
Connection values:
■ Output: 10 W
■ Voltage: 230 V~
■ Max. switching current: 0.2(0.1) A
225.3
M2
Mixer motor control, heat-
ing circuit M2/HC2
Signal mixer OPEN
Connection values:
■ Output: 10 W
■ Voltage: 230 V~
■ Max. switching current: 0.2(0.1) A
Cross connect PCB
Set the required parameters during com-
missioning: See from page 69.
Signal and safety connections
Terminals
Function
Explanation
F1
Fuse 6.3 A (slow)
Note
Observe a total load of 1000 W for all
connected components.
X1
Earth conductor X1.
?
Terminals for earth conductor of
all
asso-
ciated system components
X2
Neutral conductor X2.N
Terminals for neutral conductor of
all
as-
sociated system components
Installation sequence
Electrical connections, heat pump control unit
(cont.)
5516 436 GB
