4 Change of the flow line [specialist]
12
994536093x-mub-en – V01
2017/02
4
Change of the flow line [specialist]
1.
Dismount the temperature sensors of the
ball valves (A-2 and F-2).
2.
Unscrew both nuts of the sensor (G).
3.
Unscrew the nuts above and beneath the
pump or the return pipe.
4.
Mount the return ball valve above the
pump and the flow ball valve above the
return pipe.
5.
Dismount the mixing valve.
Retrofit the mixing valve as described in
chapter 4.1 Conversion of the mixing
valve.
6.
Interchange and mount the flow and
return line. Please observe the position of
the opening mechanism of the check
valve in the return pipe (see figure).
7.
Mount the sensor (G) between the ball
valves.
Attention: The ground lug of the sensor
points forward. The banderole indicates
on which side of the sensor housing the
pump must be fixed (see figure on the
left).
8.
Flatten the ground lug.
9.
Mount the temperature sensors T
R
and T
V
into the ball valves.
Observe the correct attribution:
Red = Flow
Blue = Return
10.
Convert the actuator as described in
chapter 3.7 Actuator.
