Oval 80
v.2
and Sentinel
v.2
Radiant Tube Heaters
Owner’s Manual • Oval 80
v.2
and Sentinel
v.2
9
WARNING
Combustion Hazard
■
Provide a properly located and sized fresh air
inlet for the heater.
-- Refer to Inlet Air Requirements instructions.
■
Failure to provide a fresh air inlet can lead to:
-- Sooting causing building damage
-- High carbon monoxide levels, causing serious
injury or death to livestock and humans.
-- Overheating of the
fi
rst 10 ft. tube, causing
fi
res leading to building damage and injury to
livestock and humans.
-- Higher temperature differences over the length
of the tubes, causing problems in temperature
control and bird performance
Inlet Air Requirements
This heater requires clean, fresh air from a normal,
atmospheric pressure environment for proper opera-
tion and combustion. Contact L.B.White Company if
you have any questions regarding the installation of
this heater.
Inlet air may be drawn from the attic or through side
walls under a protective eve. See Figs. 3 and 4.
-- All inlet air seams and joints must be sealed
-- Do not use any
fi
lters on the air inlet system
-- The air inlet system must be kept as
straight as possible. No more than 1 -
90º bend is allowed.
-- Contact L.B.White Co. if you have any questions
regarding the installation of the heater.
Inlet air for combustion
MUST NOT
be drawn
from:
■
Inside the con
fi
nement room.
■
An attic or location where negative pressure
(vacuum) affects the air draw of the heater’s fan.
Examples include, but are not limited to:
a. Houses with attic sof
fi
t vent area smaller than
ridge cap vent area
b. Heater air inlet located within 20 ft. of building
ventilation fans
c. Locations where wind and/or the elements can
create a negative pressure.
FIG. 3
Vent Cap
Air inlet
tube
Ceiling
fl
ange
12 in. from
inside of
roof
A. Slide
fl
ange down
air inlet tube until
it meets bevel in
tube.
B. Attach
fl
ange to
tube using three
self drilling screws.
C. Firmly push vent
cap with screen
into tube.
Cut 4-1/4 in. hole in ceiling adjacent to
joist. Spread insulation away and fasten
ceiling
fl
ange to joist.
Flex tube: Cut to length
-- Do not exceed 4 ft. max. length
-- Do not kink (part #573382)
Inlet tube must be
12 in. min.
above insulation
Ensure inlet cap is
unblocked by insulation.
DRAWING INLET AIR FROM ATTIC
Clamps
