They must match the appliance and installation. An incorrect change can create hazards even if it appears to improve cooking speed.
What the observation means
Online instructions may refer to another supply arrangement or country. The number of zones does not establish how the hob should be connected.
A useful next step
Leave connection and installation configuration to a competent person. Record any recent electrical work or reset when reporting a change. Do not move links, alter terminals or raise limits based on a forum example, and do not treat a working display as proof of correct connection.
Manuals and supporting guidance
Model-specific instructions take priority. These references support the practical principles discussed here; they do not diagnose your appliance.