8
Wiring Diagram
Blk
Blk
Blk
Wht
Grn
Blk - Hall Eect Sensor
Wht - Hall Eect Sensor
Red - Hall Eect Sensor
Blu - Motor Wire (Neutral)
Blk - Motor Wire (Line Voltage)
Brn - Motor Wire (Capacitor)
Thermal Cuto
DPV22-2 Fan Assembly
DB20 Pressure Module
R
M
L
N1
N2
H1
H2
H3
120VAC Power Cord
Troubleshooting
This is a simple procedure to verify proper operation of the booster fan.
It should be run at setup to verify that the system is operating correctly.
In normal operation the system will indicate the status of the booster
fan; however, this process can also be repeated as a system diagnostic.
a. Generally, if the indicator LED is not illuminated it is OK to run the
test. Should you notice any behavior other than that described
below, shut the dryer off and wait at least 5 minutes to allow the
system to reset and then run the test again.
b. Start the dryer and run it for a period of 1 minute.
c. The indicator LED should illuminate about 10 seconds after the
dryer starts.
d. The booster fan should stop 5 to 10 minutes after the dryer stops.
e. Indicator LED should remain illuminated for 5 to 10 minutes after
the dryer stops.
f. If indicator LED does not illuminate or flashes, see error indication
section. Otherwise, the booster fan is functioning correctly.
Error Indications
If the LED flashes or does not illuminate, check the list below for error
indication and likely sources of the problem.
Should your DPV22-2 show an error other than what is listed, or if these
help topics do not solve the problem, please contact Fantech's Technical
Assistance Department for further assistance at 800.565.3548 or
CANADAsupport@fantech.net
1. The LED illuminated in a steady state indicates that the Dryer Booster
Fan is operating properly.
2. If LED does not illuminate when clothes dryer is on, check the booster
fan operation.
• If it is not working, verify that the booster fan is properly connected to
a 120V AC power source.
• Verify that there are no obstructions in the duct between the
clothes dryer and the Dryer Exhaust Fan.
• Verify that the clear plastic tubing is connected between the nipple
on the Dryer Booster Fan and the clothes dryer duct (see Step 5 of
Fan Installation).
• If it is working
• Verify that the low voltage wire is properly plugged into the booster
fan.
• Check the polarity of the low voltage connection to the indicator
panel (red to positive, black to negative). If the polarity is reversed
the LED will not illuminate.
3. LED flashes evenly
• This indicates a locked rotor condition. The fan is receiving power,
but the motor is not turning. Check the booster fan for obstruction
or motor failure.
4. LED flashes twice followed by a brief pause
• This indicates that the booster fan is operating at less than its
standard speed. Check the boost fan for buildup of debris or motor
damage.
5. LED flashes three times followed by a brief pause
• This is indicating that the system airflow has dropped. Check duct
system for obstructions. LED flashes that appear after the clothes
dryer has turned off are a result of decreased airflow through the
duct system caused by the clothes dryer turning off and does not
require any action. If LED flashes are present when the clothes
dryer is running, corrective action should be taken.
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