WARNING
Humidity & Fan Control Sensor
MODEL
WM-DWHS
PLEASE READ INSTRUCTION BEFORE COMMENCING INSTALLATION AND RETAIN FOR FUTURE REFERENCES.
Electrical products can cause death or injury, or damage to property.
If in any doubt about the installation or
use of this product, consult a competent
technician
.
OPERATION
& INSTALLATION GUIDE
WARNING — THE INSTALLATION MUST BE CARRIED OUT BY
A QUALIFIED
ELECTRICIAN.
1. Turn OFF power at circuit breaker of fuse before wiring
2. Humidity & Fan Control Sensor
can only be installed by a qualified
technician
3. For safety, the Humidity & Fan Control Sensor MUST be installed in a grounded switch box
4. Use only copper wire and DO NOT use aluminum wire with this Humidity & Fan Control Sensor
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
Application Notice
1. If the humidity value is below the set point, white Fan LED indicates, and the fan will be automatically off
2. Humidity & Fan Control Sensor is ready to be turned while the red Fan LED indicate the indoor humidity level above its set point
D
O NOT
CAUTION
CAUTION
Auto ON, Auto OFF
The fan will turn ON 30 minutes automatically when humidity
level is higher than set point and will automatically turn OFF when
the humidity level drops below the set point.
After 30 minutes, the fan will turn OFF, but if the humidity level is
higher than preset then the fan will continue to run after 5
minutes break (MUST be maintained unchanged for 3 minutes
after the fan automatically turn on or off, to avoid turning on or
off frequently in the humidity critical point).
CAUTION
When the humidity level reaches its set point, the fan will
automatically turn on (the factory default mode). Original state: fan
closed, all the time to stop, start detecting humidity condition.
Manual
ON,
Manual
OFF
•
When the manual button is used to turn ON, the fan will turn ON
for 30 minutes and will turn off then back to the original state
•
When the manual button is used to turn OFF, the fan will turn
OFF immediately and humidity sensor stops working, and will be
back to the original state until manual turn on the sensor
INSTALLATION GUIDE
1. Make sure that the power has been turned OFF at the circuit breaker
2. Connect lead wires as WIRING DIAGRAM (see Fig.1 on the right):
BLACK lead to Line, RED lead to (Fan) Load, WHITE lead to Neutral and
GREEN lead to Ground
3. Check connections to be sure that they are tight and no bare
conductors are exposed
4. Insert the WM-DWHS into the wall box carefully
5. Make sure the WM-DWHS to the box using the supplied screws
6. Attach the wall plate
7. Restore power at circuit breaker, then installation is complete
Fan Button Function
The
sensor has one function as noted below: (Default Settings *)
The Fan LED turns rred when the humidity level above is set point,
otherwise the LED will always stay white
Function — Humidity Set Point for Fan
1. Low Humidity
2. Medium Humidity *
3. High Humidity
Fig.1
Neutral
Black
Line
Green
Ground
Red
White
Fan
