Nordyne SC Installation Instructions Manual page 45

Single stage condensing gas furnaces
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Rubber
Grommet
COMBUSTION
AIR
OPTION 1
See VIEW A for drain line positions
VIEW -A-
Inline Drain Tube
(Factory Equipped)
See NOTE 4
NOTES:
1. See Accessories section
(page
20) 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.
Rubber
Flange
Grommet
OPTION 4
See VIEW A for drain line positions
Figure 35. Venting Options for Upflow Installations (*SC Series)
92.1% UPFLOW - 1 PIPE OPTIONS
COMBUSTION
AIR
Plug
OPTION 2
See VIEW B for drain line positions
VIEW -B-
Inline Drain Tube
(Factory Supplied)
See NOTE 4
to PVC Trap (Field Supplied)
92.1% UPFLOW - 2 PIPE OPTIONS
Flange
Plug
OPTION 5
See VIEW B for drain line positions
X
PVC
Tee
See
NOTE 5
Rubber
Grommet
PVC Trap
Drain Line Attached
PVC
Tee
X
See
NOTE 5
Rubber
Grommet
PVC Trap
Grommet
COMBUSTION
AIR
Plug
X
See
NOTE 5
OPTION 3
Rubber
Grommet
See VIEW C for drain line positions
VIEW -C-
Flange
Plug
X
See
NOTE 5
OPTION 6
Rubber
See VIEW C for drain line positions
45

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