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A fan with bars showing how fast it runs.
Also known as: Fan setting, Auto fan symbol
Fan speed is shown as a fan with one, two or three bars, or with an A for automatic. Automatic mode varies the speed with the gap between the room and the target temperature, which is why it is loud when first switched on.
Sets the circulation fan's speed, marked with a fan shape and one to three bars or an A for automatic.
Contexts: Electrical equipment
Varies the speed with the difference between room and set temperature in automatic mode, which is why the unit is loudest immediately after being switched on.
Contexts: Electrical equipment
A set of three or four curved blades radiating from a centre, with short bars of increasing height beside it.