L.B.White Oval-U 100 Manual De Instrucciones página 9

DRAWING INLET AIR FROM ATTIC
FIG. 2
Vent Cap
Air inlet
tube
A. Slide flange down on the air
inlet tube to the attic floor joist.
Secure it with wooden screws.
B. Attach flange to air inlet tube
using 3 self drilling screws.
C. Firmly push vent cap with screen
into tube.
DRAWING INLET AIR THROUGH SIDEWALLS
Use minimum length of 4 in. diameter flex duct when connecting 4 in. PVC to
burner box. An adapter connection for the burner box to the 6 in. PVC must be
obtained through local source.
FIG. 3
Oval-U 100
Ceiling flange
Owner's Manual • Oval-U 100
Radiant Tube Heaters
Ensure inlet cap is Ensure inlet cap is
unblocked by insulation. unblocked by insulation.
12 in.
from
inside of
roof
Cut 4-1/4 in. hole in ceiling adjacent to joist.
Spread insulation away and fasten
Clamps
ceiling flange to joist.
Flex tube: Cut to length
-- Do not exceed 4 ft. max. length
-- Do not kink (part #573382)
Install supports every 5 ft. to
prevent inlet sagging
Secure inlet to wall
For inlet runs up to 20 ft., use smooth
4 in. iD PVC. For runs over 20 ft.,
use 6 in. ID PVC
Do not locate the heater's air inlet by
any building air inlet.
Radiant Tube Heaters
Inlet tube
must be 12 in.
min. above insulation
9