4
Be sure to orient the unit for proper
airflow through the PX5 core in either
horizontal or vertical air flow systems.
Air should be able to freely flow
through PX5 core as shown.
Remove air flow tag BEFORE
installation.
Air Handler
24V Power
Min. 8" x 8"
1. Unit should be installed after the air
handler or furnace in the HVAC system,
prior to any branch duct takeoffs.
2. The ductwork around the installation
area should be clean and dry to insure
proper adhesion of the gasket materials
and any tape used.
3. An approximate 4" opening will need
to be cut into the existing ductwork to
install unit properly.
INSTALLATION NOTES
AIRFLOW ORIENTATION
NOTICE
Qualified Technicians Only.
This device must be installed in compliance with all national and local elec-
trical and mechanical codes. Failure to do so will void Dust Free
®
Warranty.
Fig. 1 HVAC system.
Fig. 2 Orient core in proper airflow direction.
