Bryant 987MA Installation, Start-Up, Operating And Service And Maintenance Instructions page 48

Rotate vent elbow to
required position.
3
2
5
4
5
1
6
7
A11311
1 Attach vent pipe adapter with gasket to furnace casing.
Align notches in rubber coupling over standoffs on adapter. Slide clamps over the coupling.
2
Slide vent pipe through adapter and coupling into vent elbow.
3
4
Insert vent pipe into vent elbow.
Torque all clamps 15 lb.-in.
5
6
Attach combustion air pipe adapter with gasket to furnace.
Attach combustion air pipe to adapter with silicone. Pilot drill a 1/8-in.
7
hole in adapter and secure with a #7 x 1/2-in sheet metal screw.
Any other unused
knockout may be used
for combustion air
connection.
Downflow Vertical
Requires Accessory Internal Vent Kit.
See Product Data for current kit number.
Fig. 39 - - Downflow Configurations
(Appearance May Vary)
48
Rotate vent elbow to
required position.
4 5
A11313
1 2 5
3
6
7
A11312
A11400