8
Schematic Diagram
5.2 Printed Circuit Board
(1) Display Board
Top View
Bottom View
No.
Part Name
Description
No.
Part Name
Description
1
Needle stand of ambient
temp sensor
Connect to ambient temp
sensor
11
Timing Button
A button to set timing
2
Timing 4H indicator
Timing 4H indicator
12
Indicator of low speed
Indicator of low speed
3
High speed indicator
High speed indicator
13
Fan speed button
A button to set fan speed
4
Buzzer
The buzzer will sound
when the unit is energized
or button is pressed.
14
Humidity
button
A button to decrease set
humidity
5
Dual 8 Nixie Tube
Display ambient humidity
or set humidity
15
Humidity
button
A button to increase set
humidity
6 Overflow
indicator
Overflow indicator
16
Power indicator
Power indicator
7
Continuous dry indicator
Continuous dry indicator
17
ON/OFF button
ON/OFF button
8
Needle stand of humidity
sensor
Connect to humidity sensor
18
Filter cleaning
indicator
A indicator to suggest
cleaning filter
9
Needle stand of pipe temp
sensor
Connect to pipe temp
sensor
19
Reset button of filter
A button to reset filter
10
Timing 2H indicator
Timing 2H indicator
20
Wire between boards
Connect to mainboard