16
Place the plenum take-off gasket on the back side of the
plenum take-off and insert the assembly into the hole in
the plenum (see FIgure 2.19).
NOTICE: Gasket must be installed to seal plenum
take-off to prevent air leakage.
Orient the plenum take-off to match the curvature of the
plenum duct. Hand insert the four plenum take off
fasteners one at a time such that each clip reaches the
interior of the duct. Using the SpacePak pliers, snap the
fasteners into place until they lock in place (see Figure
2.20).
FIGURE 2.21: ORIFICE INSTALLATION
FIGURE 2.19: TAKE-OFF INSTALLATION
P
LENUM
FASTENER
GASKET
P
LENUM TAKE-OFF
G
ASKET
PLENUM TAKE-OFF
PLENUM
FASTENER
1. HAND INSERT FASTENER INTO PLENUM TAKE-OFF 2. WITH PLIERS, SNAP FASTENER INTO PLACE UNTIL IT LOCKS IN PLACE
FIGURE 2.20: PLENUM TAKE-OFF FASTENER INSTALLATION
NOTICE: All four fasteners must be installed to
assure air tight fitting between plenum take-off and
plenum.
In accordance with your calculations as to requirements
for balancing orifices, mount the orifice in the outlet of
the plenum take-off (see Figure 2.21), prior to attaching
the supply tubing.
Next, install a kwik-connect in the open end of the supply
tubing, using the same procedures as before, and twist
together kwik-connects on supply tubing and plenum
take-off. Wrap connection securely with tape.
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