Rheem RRPL-B - Page 21

I342
I
R
ETURN PLENUM
16
1
/2
MAX.
20
1
/2 MAX.
16
3
/8 MAX.
I
NSULATION
P
ANELS
NAILING
STRIP
CAULK ALL
JOINTS
WATERTIGHT
SUPPLY
PLENUM
D
UCT
F
LANGE
(
NOT TO
E
XCEED 1()
ROOFCURB
FIGURE 15
ROOFCURB
I
255
**BY CONTRACTOR
*
*
FOR INSTALLATION OF DUCT AS SHOWN, USE RECOMMENDED
DUCT SIZES FROM ROOFCURB INSTALLATION INSTRUCTIONS. FOR
DUCT FLANGE ATTACHMENT TO UNIT, SEE UNIT INSTALLATION
INSTRUCTIONS (FIGURE 1) FOR SIZE OF DUCT OPENINGS.
R
OOFTOP UNIT
T
IE DOWN SCREW
*
R
OOFCURB
ROOF FLASHING
*
R
OOFING
*
CANT STRIP *
ROOF DECK *
G
ASKET
N
AILING STRIP
INSULATION
*
I
NSULATION
*
** DUCT *
FIGURE 16
ROOFCURB
FIGURE 18
R
OOFCURB
FIGURE 19
R
OOFCURB
FIGURE 21
RESIDENTIAL ROOFTOP DUCTWORK INSTALLATION DETAIL.
FIGURE 20
DUCTWORK COVER INSTALLATION DETAIL
21