20
RETURN AIR & DUCTING INSTALLATION REQUIREMENTS
NOTE:
MODELS
CLR
FRONT
CLR
TOP
CLR
BTM
CLR
BACK
CLR
LEFT
CLR
RIGHT
DUCTS
REQ’D
BTM DUCT
SQ INCH
TOP DUCT
SQ INCH
L & R SIDE DUCT
SQ INCH
RETURN AIR
SQ INCH
DD-17DSI N/A N/A N/A N/A N/A
NT 12S N/A N/A
NT 16S N/A N/A
NT 20S N/A N/A
NT 12SE N/A N/A N/A N/A N/A
NT 16SE N/A N/A N/A N/A N/A
NT 20SE N/A N/A N/A N/A N/A
NT 24SP N/A
NT 30SP N/A
NT 34SP N/A
NT 40 N/A
P 30 N/A
P 40 N/A