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- If pre-heating is disabled: The system will start heating the zone at the start of a Timer period, which will often mean the zone is below temperature for the first 30 minutes whilst the room heats up.
- If pre-heating is enabled: The system will calculate how long it takes for a room to reach the set temperature and start the heating that much earlier than the start of the Timer period. This means that the heating will start up before the beginning of the Timer period but the room will be warm for the entirety of the Timer Period.
If you want to activate enable Pre-heating, please see the Pre-heating 'Setup pages' chapter. check_me