Operating Instruction
RH-9021A
Light Control Turbo Button Middle Speed Low Speed
Power. Control
Button Control Button Control Button Button
Power control button
1. Push this button to turn on the power and power indicator light will be on .
2. Push again to turn off power
、
power indicator light and all functions.
Note:If power has been turned on over 9 minutes without any setting , system will be
shut down automatically for energy-saving.
Speed setting control button
＆
Delay
timer setting
1. Push turbo button to start extremely turbo ventilation and turbo indicator light will be
on.
*
Push again will turn to extremely turbo delay function and turbo indicator light
will be blink, system will shut down automatically after 3 minutes.
2. Push middle speed button to turn on middle speed ventilation and middle speed
indicator light will be on .
*
Push again will turn to low speed delay function, low speed indicator light will be
blink and shut down automatically after 90 seconds.
3. Push low speed button to turn on low speed ventilation and low speed indicator light
will be on.
*
Push again will turn to low speed delay function and low speed indicator light will be
blink, system will shut down automatically after 90 seconds.
Note: Push turbo button during the delay function will set back to turbo ventilation;
push middle speed button during the delay function will set back to middle speed
ventilation; push low speed button during the delay function will set back to low
speed ventilation.
Light control button
1. Push this button to turn on the LED illumination and LED indicator light will be on.
2. Push again to turn off the LED illumination.
Note : If only push Light/Speed/Turbo button, power also will be on.
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