S8XB-SVX001-1A-EN
47
Combustion Air Conversions
Important: After deciding the orientation of the flue outlet, cut the
metal tabs around the appropriate 5” metal cutout on the
furnace cabinet and remove the cutout, if necessary.
Note: When rotating the inducer it may be necessary to cut the wire
tie. A new wire tie must be installed once the inducer is rotated.
Pressure Switch locations
S8B1/S8X1: PS is connected to the hot header.
S8X2: PS1 is connected to the inducer. PS2 is connected to the hot
header.
Note: Self-tapping screws are recommended for attaching the vent pipe to the inducer outlet.
Upflow orientation with top venting
Refer to Step 1.
Upflow orientation with left side venting
Note: When rotating the inducer it may be necessary to cut the wire
tie. A new wire tie must be installed once the inducer is rotated.
Refer Step 2. to Step 6.
Upflow orientation with right side venting
Refer Step 2. to Step 6.
Horizontal left orientation with left side venting
Refer to Step 1.
Horizontal left orientation with top venting
Refer Step 2. to Step 6.
Horizontal right orientation with right side venting
Refer to Step 1.
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