Houghton BELAIRE Owner's Manual page 12

Install plenum assembly
A. Connect the socket and plug of the display panel wires
and the controller wires. please note that colors of the
wires should be match (yellow to yellow, red to red,
etc.)
B. Attach the plenum assembly to the plenum mounting
bracket by engaging the two parts.
clicks to as the parts connect.
Plenum mounting
bracket
Plenum assembly
Switch
air outlet
 Adjust the air outlet on the plenum as required.
C.
D. Remove both air filters (#5) from the plenum and fix the
You will hear four
E.
The installation is complete.
CLOSE
9
Fix the plenum assembly on the plenum mounting
bracket with four ST4.2x16 pan head screws（#10）.
plenum to the ceiling with four countersunk head
self-tapping screws (#11).
Finally, fit both air filters into the plenum.
OPEN