5 Assembly and installation [specialist]
2017/02
994536093x-mub-en – V01
19
X1
X2
X3
X4
X5
X6.1
X6.2
X1
not used
X4
Temperature sensor T
V
, flow, red
marking
X2
PWM signal of the pump
X5
Differential pressure sensor
X3
Temperature sensor T
R
, return,
blue marking
X6.1
X6.2
Supply voltage or bus line
(connected in parallel and therefore
interchangeable)
7.
If you do not mount the
communication set, continue at
point 11.
8.
If you additionally mount the
optional communication set, run the
bus line of the communication set
to the first (left) controller. For this
purpose, disconnect the plug of the
bus line from the mini PC of the
communication set.
9.
Make sure that the plug does not
get wet.
