Vents Quietline User Manual page 10

EN
Operation mode 2 (single-speed mode)
ON
The fan is turned off by default.
When an external switch, such as a light switch, is triggered, the power supply voltage is applied to
the LT terminal and the fan starts to run at the first speed.
After the external switch is turned off the fan keeps operating for a set time period, adjustable from
1 2
2 to 30 minutes, and then turns off.
Operation mode 3 (two-speed mode)
ON
When an external switch, such as a light switch, is triggered, the supply voltage is applied to the LT
terminal and the fan switches to the second speed.
After the external switch is turned off the fan keeps operating at the second speed for a set time
1 2 period, adjustable from 2 to 30 minutes, and then switches to the first speed.
Operation mode 4 (two-speed interval mode)
The fan switches to the second speed after a set period of time (from 1 to 15 hours) and runs at the
ON
second speed from 2 to 30 minutes, then returns to the first speed.
When an external switch, such as a light switch, is triggered, power is supplied to the LT terminal
and the fan switches to the second speed.
1 2
After the switch is turned off the fan keeps operating at the second speed for a set time period,
adjustable from 2 to 30 minutes, and then switches to the first speed.
WARNING!
The operation mode 1 is set by default.
The operating mode may be changed during the fan mounting or operation.
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