Nortek SC Series Installation Instructions

48
Figure 46. Venting Options for Downflow Installations (*SM Series)
Option
29
VIEW -S-
VIEW -U-
Plug
Plug
Plug
Option
32
VIEW -T-
Option
30
Plug
Plug
Option
33
Plug
Plug
*SM SERIES DO
WNFLOW - 1 PIPE OPTIONS
PVC Te e
COMBUSTION
AIR
FLUE PIPE
FLUE PIPE
COMBUSTION
AIR
Rubber
Grommet
See
VIEW S for drain line positions See VIEW T for drain line positions
See VIEW U for drain line positions
See VIEW U for drain line positions
FLUE PIPE
Rubber
Grommet
COMBUSTION AIR
Plug
Flange
Flange
See VIEW T for drain line positions
FLUE PIPE
Plug
Flange
COMBUSTION AIR
See VIEW S for drain line positions
Rubber
Grommet
Rubber
Grommet
Rubber
Grommet
*SM SERIES DO
WNFLOW - 2 PIPE OPTIONS
Plug
COMBUSTION
AIR
FLUE PIPE
Option
31
FLUE PIPE
Option
34
COMBUSTION AIR
Inline Drain
(Factory Supplied)
See NOTE 4
Collector Box Drain
(Factory Equipped)
See NOTE 2
Inline Drain
(Factory Supplied)
See NOTE 4
PVC Tr ap
PVC Te e
PVC Tr ap
PVC Te e
PVC Tr ap
PVC Te e
PVC Tr ap
Collector Box Drain
(Factory Equipped)
See NOTE 2
Collector Box Drain
(Factory Equipped)
See NOTE 2
Inline Drain
(Field Supplied)
See NOTES 2 & 3
X
See
NOTE 5
X
See
NOTE 5
X
See
NOTE 5
X
See
NOTE 5
Rubber
Grommet
Field Supplied
Drain Line Attached
to PVC Trap
(Do Not Trap)
Field Supplied
Drain Line Attached
to PVC Trap
(Do Not Trap)
NOTES
1. See Accessories section (page 16) for optional PVC Tee configurations and drainage options.
2. Drain lines must be trapped with a J-Trap or field supplied loop. Traps may be positioned inside or outside the cabinet. All drain lines must be routed externally
from the cabinet.
3. Inline drain is required only if “X” is greater than 6 feet.
4. Tubing needs to be cut to length and attached during unit installation.
5. Horizontal piping from inducer to flue pipe must be sloped 1/4” per foot to ensure drainage to PVC trap.

Nortek SC Series Specifications

General

Brand	Nortek
Model	SC Series
Category	Furnace
Language	English