This fan speed control function is for constant speed
fan only. Do not use the temp controlled fan or adjustable
speed fan.
Please check the fan current in advance, the fan can
be used in series or singly in each channel . If the total
current for a channel is from 0.35 A ~ 1 A, Please connect
to FAN 1 channel. If is under 0.35 A , please
connect to FAN 2 ~ FAN 4 channel.