De Dietrich CITY 2.24/II Montageanleitung Seite 20

The flow sensor with connecting cable (length 2.5 m) and connector
plug should be fitted to the outlet circuit pipe concerned and must be
connected to the point provided in the control panel shown below.
The flow sensor after the valve must be positioned around 0.5 m after
the 3 way valve or after the heating pump if this is fitted to the outlet.
- Cut the pipe insulation by 50 mm.
8 Manual bleed valve
9 Isolation valve
10 3-way mixing valve
11 Heating pump for circuit with mixing valve
21 Outside sensor (optional)
Mixing valve outlet temperature sensor (Delivered with the PCB
23
"package AD 202")
27 Non-return valve
44 65 °C safety thermostat
51 Thermostatic valve
64 Radiator circuit
65 Low temperature circuit
68 Condensates neutralisation system
72 By-pass
EA 104/EA 105: Compact hydraulic module ready for fitting
4
Fitting the flow sensor
- At the point where the sensor is fitted, thoroughly clean the pipes
(there must be no trace of paint) and coat them with the ready-to-
use contact paste provided in the syringe.
- Secure the sensor with the collar provided for this purpose.
The flow sensor must not be covered by the insulation
around the pipe.
Example with City 2.24/II
AD 202 24/03/06 - 8666-4562A