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Wiring for terminal block M1, covering live, neutral, earth, and room thermostat connections.
Wiring for terminal block M2, for remote control, outdoor sensor, and auxiliary sensors.
Wiring for terminal block M3, for pumps and external connections.
Explanation of the four heating operating modes: On, Reduced, Timed, and Off, with symbols.
Displaying boiler information such as temperatures, circuit status, and operating modes.
Methods for resetting boiler faults: automatic, manual, and contacting the service centre.
Step-by-step guide to cleaning the heat exchanger's fumes side, including safety precautions and cleaning agents.
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General