40
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. control current: 4(2) A
225.2
M2
Mixer motor control, heating circuit
M2/HC2
Signal mixer CLOSE
Connection values:
■
Output: 10 W
■
Voltage: 230 V~
■
Max. control current: 0.2(0.1) A
225.3
M2
Mixer motor control, heating circuit
M2/HC2
Signal mixer OPEN
Connection values:
■
Output: 10 W
■
Voltage: 230 V~
■
Max. control current: 0.2(0.1) A
Indoor unit: luster terminals (signal and safety connections)
Set the required parameters during commissioning:
See page 66 onwards.
Terminals
Function
Explanation
X3.1
Switched phase
Via control unit ON/OFF switch
Note
Observe the total load 1000 W of all connected compo-
nents.
X3.3
X3.4
Flow switch
Requires floating contact:
■
Closed: Heat pump operational
■
Open: Heat pump shut down
■
Breaking capacity 230 V, 0.15 A
No
jumper should be installed if a flow switch is con-
nected.
X3.6
X3.7
G
Power-OFF (jumper fitted at the fac-
tory)
Requires floating contact:
■
Closed: Heat pump operational
■
Open: Heat pump shut down
■
Breaking capacity 230 V~, 0.15 A
Remove jumper when connecting.
Installation sequence
Electrical connection
(cont.)
5790 931 GB
Installation
