Rheem RRNA-B SERIES - Page 15

15
I342
RETURN PLENUM
16
1
/2
MAX.
20
1
/2 MAX.
16
3
/8 MAX.
INSULATION
PANELS
NAILING
STRIP
CAULK ALL
JOINTS
WATERTIGHT
SUPPLY
PLENUM
DUCT
FLANGE
(NOT TO
EXCEED 1()
ROOFCURB
FIGURE 15
ROOFCURB
I255
**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.
ROOFTOP UNIT
TIE DOWN SCREW *
ROOFCURB
ROOF FLASHING
*
ROOFING *
CANT STRIP *
ROOF DECK *
GASKET
NAILING STRIP
INSULATION
*
INSULATION *
** DUCT *
FIGURE 16
ROOFCURB