Bryant 987MA Installation, Start-Up, Operating And Service And Maintenance Instructions page 47

7
6
1
3
2
& 5
Any other unused
knockout may be used
for combustion air
connection.
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.
Rotate vent elbow to
5
4
required position.
A11309
6
Fig. 38 - - Upflow Configurations
(Appearance May Vary)
Any other unused
knockout may be used
for combustion air
connection.
Rotate vent elbow to
required position.
3
7
2
5
1
4
5
A11310
47
7
6
2
5
1
3
4
5
A11308
A11399