4.5.11 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
4.5.12 Install the broadband probe (only with S-Tronic Lambda)
❒
Unscrew the pre-installed bushing (A) from the broadband probe
❒ Screw the bushing (A) into the flue gas nozzle and gently tighten
❒ Screw the broadband probe into the bushing (A) and gently tighten using an Allen
key (SW 22 mm)
❒
Plug in the extension cable for the Lambda probe and un the cable through the
cable duct to the controller box
➥ Tuck any extra cable into the cable duct
4
Assembly
Installing the boiler
48 Froeling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.at
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