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How do I change the fan speed or use Auto mode on the Vortex 2c?

PRISM+ Support teamUpdated 26 October 2026

The Vortex 2c has 3 fan speeds plus Auto mode.

  1. Tap the fan icon to cycle through Speed 1 (Low), Speed 2 (Medium) and Speed 3 (High). The indicator lights show the current speed.
  2. Tap the AUTO icon to switch to Auto mode. The fan speed then adjusts automatically to the air quality in the room.
SettingWhat it does
Speed 1 (Low)The most common fan speed
Speed 2 (Medium)Balanced mode
Speed 3 (High)High fan speed
AutoAdjusts fan speed to the room's air quality

Tip: Turning on Auto overrides your current manual fan speed.

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