4
Outdoor Installation Kit
4.
G uardian 250 Only: Use two Item B, #8 x 1/2 in. self -drilling screws from kit at holes on upper margin of
flange. See Fig. 6.
FIG. 6
5.
A pply a heavy bead of sealant all the way around the inside corner of the mounting flange. See Fig. 7.
FIG. 7
6.
P osition duct into mounting flange so dampers lift up and away from blower outlet. Push duct firmly
against flange. Attach duct to flange using 3/8 in. sheet metal screws at flange sides. See Figs. 8 and 9.
FIG. 8
Dampers
Flange
Outdoor Installation Kit • Guardian 250, Guardian 325
Inside Corner