Figure 4.
Barometric relief hood
Hood Triangle
Dimples for Powered
Exhaust Screws
Hood Top
Filler Panel
Mist Eliminator
FA Hood Front
Support
Barometric Relief
Hood
Installation - FIAECON102*
ACC-SVN264B-EN
7
Powered Exhaust
1. Remove aluminum barometric relief blade and discard.
2. Open 1-inch hole near the gear side of the economizer and
install 1-inch grommet.
Note:
Grommet in economizer parts bag.
Figure 5.
Gear side of the economizer
1-inch Hole
for Wire Routing
3. Partially insert self-drilling screws in three dimples above
power exhaust opening and just below top economizer
hood. See
.
Note:
Do not re-use barometric relief damper holes.
4. Install gasketing around perimeter of powered exhaust
assembly.
5. Route the powered exhaust wire harness through the 1-
inch hole near the gear side of the economizer.
6. Hang powered exhaust on three partially inserted screws
and remove the slack in wire harness.
7. Attach powered exhaust with self-drilling screws. See
8. Verify wire harness is clear of gears, doors, and any sharp
edges of metal.
9. Hook up electrical as described in literature
ACC-SVN57*-EN.
Figure 6.
Powered exhaust
Dimples for
Powered Exhaust
Screws
Smoke Detector
1. If a smoke detector is installed, remove the copper or
aluminum pipe, and flexible tubing from above return air
opening, and all associated brackets.
Note:
Grommets are in the economizer parts bag.
2. Attach retaining bracket to pipe. See
for the large
economizer, drill a 1/8-inch hole drilled in pipe on opposite
side of existing breathing holes.
Notes:
•
Retaining bracket in the economizer parts bag.
•
, intake holes must be down for unit to work.
Figure 7.
Tubing
1/2-inch
3. Insert smoke detector pipe into hole of economizer (next to
RTEM board) and into back bracket inside economizer.
4. Using a self-drilling screw, attach retaining bracket to
economizer. See
5. Shorten flexible tubing and connect from the copper tubing
to the smoke detector unit.
