Silent fan with DC motor.

DESCRIPTION

• The casing and the impeller are made of high-quality and durable UV-resistant plastic. Available in many color shades upon request.
• Single-phase 2-speed motors, DC 230V - 50 / 60 Hz low consumption, with thermal and long-life bearings, up to 40.000 h, designed for continuous and silent operation without maintenance. Degree of waterproofness IP45. Type T has an adjustable timer from 2 min to 30 min.
• The fan is equipped with a specially designed backdraft damper to prevent back flow and heat losses during the fan standby and operation indicator lights.

Operation modes of QUIET DC fan with an integrated turn-off delay timer.

Operation mode selection is performed by setting the DIP switch to a respective position
Mode 1
♦ The fan is turned off by default. The fan starts operating at the low speed when the switch is closed or one of the sensors is activated.
Mode 2
♦ The fan is turned off by default. The fan starts operating at the high speed when the switch is closed or one of the sensors is activated.
Mode 3 (2-speed mode).
♦ The fan operates at the low speed by default. The fan switches to the high speed when the switch is closed or the sensors are activated.
Mode 4 (automatic timer mode).
♦ The fan defaults to low speed. The fan switches to high speed every set period of time (adjustable from 1 to 15 hours) and runs for up to 30 minutes to ventilate the room with maximum air flow. The fan then returns to low speed.