22
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
SFV 20/20F
SFV 25/25F
SFV 30/30F
SFV 35/35F
SFV 42/42F
MODELS
TOP AND FRONT DUCTS
(4” Round)
BOTTOM LEFT DUCT RIGHT DUCT
Minimum Duct Area Minimum Duct Area Minimum Duct Area
SFV 20/20F Required 52 SQ. IN.
SFV 25/25F Required 52 SQ. IN.
SFV 30/30F Required 52 SQ. IN.
SFV 35/35F
48 SQ. IN. (Bottom Front Duct
Not to be Used)
52 SQ. IN. 56 SQ. IN. DO NOT USE
SFV 42/42F
48 SQ. IN. (Top Front Duct Not
to be Used)
52 SQ. IN. 56 SQ. IN. 72 SQ. IN.
To Next Page
Loading...
Need help?
General
