Houghton BELAIRE H2000 Owner's Manual page 12

● Fix the plenum assembly on the plenum mounting
bracket with four ST4.2×19 pan head screws.
●Take out the return air filters and fix the plenum to the
ceiling with 4 provided countersunk head screws.
● Finally, fit both return air filters into the plenum
properly and the installation is all completed .
Adjust the louver
● Adjust direction and angle of louver by moving
blade around its axis. The 2 blades move together.
Louvers on opposite sides are symmetrical.
9
Louver swing