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MAINTENANCE
6.2
Safety temperature limiter - Reset
Boiler water temperature limiter - Reset
WARNING
The heat generator can only be de-energised
by disconnection from the mains (e.g. all-po-
le switch).
WARNING
All electric power supply circuits must be
switched off before accessing the terminals.
Fig. 23
If the boiler temperature rises too high (>100 °C), the system is switched off by the safety temperature limiter (STL)
by means of a mechanical lockout.
The malfunction must first be unlocked on the safety temperature limiter, then on the control panel.
1. STL reset
- Open the terminal box according to chapter 4.4
- Unscrew the protective cap
- Reset the STL
2. Reset on the control panel
-
Press the reset key on the control (Fold the cover down): the boiler is ready for
operation again once the boiler water temperature is less than 80 °C.
Summary of Contents for 42-UltraOil 110
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