Humidex
6
Preparing the Humidex for Installation
To allow the booster fan to draw air from the upper levels, a universal boot must be installed.
First locate a safe place to cut out a hole to fit the universal boot. Once a safe and adequate area
had been found, proceed by cutting the hole.
With the hole cut, install the universal booth which will allow the unit to pull the air down.
Now that the boot has been installed, the HCS-BSF can be mounted on a floor joist a
minimum of 6 ft. away from the universal boot to reduce noise. Connect the universal boot to
the booster fan with the 6 in. insulated flex provided.
If the building codes in your area require a backdraft damper to be installed, it must be placed
on the exhaust side of the HCS-BSF to limit the impact on the total airflow through the unit.
Note
: A T-junction duct and flex can be added to the exhaust side of the HCS-BSF to direct air
into all areas of the crawl space
Now that the booster fan has been installed, it must be connected to the rest of the system. To
do so, a wire must be run from the booster to either the main exhaust or the control unit.
Note:
These steps must be completed before plugging in the booster fan.
After the white wire has been run it must be connected to the system. Make sure the main HCS
exhaust unit is unplugged before connecting the booster fan.
If the booster is connected to the main exhaust, remove the green connector, strip the wire
and connect it following the wiring guide. Reconnect the green connector once the wire has
been inserted.
If the wire was run to the control, remove the bottom screw and open the control. Strip the
wire and add it to the internal connector following the wiring guide. Once done, close the
control.
Wiring Guide:
Yellow Wire
–
B
Green Wire
–
A
Black Wire
–
GND
Red Wire
–
VCC
Note:
The main exhaust unit must remain unplugged till the booster fan installation is
complete.