4.5.13 Fitting the safety temperature limiter, boiler sensor and return sensor.
❒ Remove the cap (1) and the lock nut (2) from the safety temperature limiter (STL)
(3).
❒ Plug the STL (3) from the back through the frame element.
❒ Refit the lock nut (2) to the front of the STL. Refit the cap (1).
❒ Pass the STL capillary through the opening in the frame element and lay it to the
immersion sleeve of the boiler flow.
❒ Push the boiler sensor and the STL capillary with the pressure spring (1) into the
pre-installed immersion sleeve (2) of the boiler flow.
❒ Push the return flow sensor into the immersion sleeve of the boiler return.
❒ Lay all the sensor cables in the cable duct to the control cabinet.
4
Installation
Installing the boiler
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