3.5.11 Fitting the sensors
❒ Screw in the brass bushing (A) for the flue gas temperature sensor
➥ Make sure that the borehole with the thread is situated at the upper area of the
brass bushing
❒
Push the flue gas temperature sensor in so that it protrudes approx. 20 mm from
the housing and secure the position with the wing screw
❒ Push the boiler sensor and STL capillary into the pre-installed immersion sleeve
with the pressure spring (B) during boiler outfeed
❒ Run the cable through the cable duct (C) to the controller box
➥ Tuck any extra cable into the cable duct
❒ Fit the cables for the flue gas sensor, the STL capillary and the boiler sensor in the
cable duct with a strain relief.
❒ Push the strain relief into cut-out on the cover plate.
Assembly
3
Installing the boiler
Montageanleitung S3 Turbo | M1870119_en-us 59