Manual

5
7. Situate the unit above ground or at roof level
high enough to prevent precipitation from
being drawn into its inlet.
8. The inlet must also be located at least 10
feet away from any exhaust vents.
9. The heater inlet must be located in
accordance with the applicable building
code provisions for ventilation air.
10. All air to the heater must be ducted from the
outdoors.
11. Recirculation of room air is not permitted. If
in doubt regarding the application, consult
the manufacturer.
12. The unit must have adequate structural
support or the equipment or building could
be damaged.
13. Do not alter or otherwise restrict combustion
or ventilation openings.
14. Direct-fired units should not be installed
downstream from cooling systems which
use refrigerants for cooling.
COMBUSTABLE
CLEARANCES
The top, back, and front surfaces
of this heater may not be installed
less than 6 inches from
combustible materials. The heater
base may be installed on
combustible surfaces.
SERVICE CLEARANCES
Allow 24 inches or greater
minimum service clearance on all
sides of this heater. Allow 48
inches or greater on the vestibule
and blower door side.
Rigging
1. Horizontal units are supplied with four lifting lugs on the bottom corners of the casing.
2. Vertical units are supplied with four lifting lugs at the top corners of the casings.
3. Lift the unit and accessories separately, attach the accessories to the unit once the unit is in place.
4. The following diagrams represent the proper methods for lifting the unit and accessories.
5. Always use spreader bars to prevent damage to the unit casing.