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INSTALLATION GUIDE

Humidity & Fan Control Sensor

MODEL

 

WM-DWHS

Instruction Manual

1-888-543-6473
1-888-541-6474

13376 Comber Way 

Surrey BC V3W 5V9

[email protected] 
www.ortechindustries.com

375 Admiral Blvd

 

Missis

s

auga

ON L5T 2N1

Troubleshooting

The buttons do not react:

Check if the panel is installed properly

Press the fan button, if the relay does not work and the 

indicator light does not flash:

Turn OFF power to the circuit then check wire connections

If the relay operates normally but the load will not turn on:

Check the load

The fan keeps working under humidity setting point:

When it can be turned off by a manual button, check if the sensor 

is broken or not

Function Setting

1. START program mode

Press and hold the fan button for 5 seconds. Its red and white LED
will stay on. The sensor is now in Program Setting Mode. The LED
flash time will show the current function, flashing 1/2/3 times
show the corresponding function 1/2/3. Flashing once means
function 1 "Low Humidity".

2. CHANGE program function

Press the button 1/2/3 times to enter a function to change. The
fan LED flashes with each press, then press and hold the button
for 5 seconds, the LED flashes 3 times, the new setting is saved
and then sensor will exit the setting mode.

3. During the Program Setting Mode, after pressing and holding

button for 5 seconds, when the LED looping 10 times and no
further action or the setting is saved, the LED flashes 3 times and
then the sensor will exit the setting mode (when exit the setting
mode, the load will be turned off at the same time).

F

an LED

Fan: BI-Colour (red or white LED)

Bi-colour light is just for display humidity use only. When the 
environment humidity is higher than the set point, red LED will be on. 
When the humidity is lower than the set point, white LED will be on. 
When power on, the red/white LED will flash once.

ORTECH reserves the right to modify at any time, without notice,

 

any or all of our product's 

features, designs, components and specifications to meet market changes.

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