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CALIBRATE IQ BLOWER SYSTEM
After the hood is installed and wired, engage the calibration process (our Guaranteed
Performance System Technology) to ensure full-rated airflow is being delivered. Prior to
calibration, ensure that all filters, light bulbs and duct system components are installed and
sealed.
CALIBRATION PROCESS
Hold the calibration button for 3 seconds; calibration button will light up and stay on for up to
13 minutes. The blower will start and begin the calibration process. When calibration is
complete, one of two things will occur:
A.The blower turns off and calibration button light turns off = Successful calibration.
B.The blower turns off and calibration button light blinks continuously = Too much restriction
in the ductwork is preventing the IQ Blower System
blower is automatically set to maximum intensity.
Note: Common items that cause restrictions: restricted damper flap (backdraft damper, wall
cap, roof cap), too many elbows, duct size less than 80% of hood outlet, poor transition,
use of flex ducting and/or crushed ducting.
Two options are available:
1. Press the calibration button to accept airflow as is. The IQ Blower System
to its highest possible setting. The blinking calibration light goes out.
2. Correct duct restriction and repeat the calibration process.
a.
To clear the original calibration data, hold calibration button for 10 seconds. The light
will blink 3 times to confirm and the blower configuration will go back to default settings.
b.
Repeat calibration process.
Ducted Internal Blower Hoods Only
TM
from achieving the rated airflow. The
TM
CALIBRATION
BUTTON
CALIBRATION LIGHT
- 15 -
is now configured
TM
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