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8. Plug the male plug of the unit economizer wiring har-
ness into the economizer control board. See Fig. 7.
9. As shown in Fig. 8, remove the indoor fan motor access
panel. Save all screws.
10. Determine damper position setting; see Fig. 9 or 10. Ad-
just damper setting by adjusting screws on the position
setting bracket. See Fig. 4 and 11. Slide position setting
bracket until the top screw is in the position determined
by Fig. 9 or 10. Tighten screws.
11. Install outdoor-air opening panel with screws from
Step 2.
12. Fasten hood top and side plate assembly and bottom stop
(on 7
1
⁄
2
to 12
1
⁄
2
ton units) to unit with screws
provided. See Fig. 2.
FILTER ACCESS PANEL
INDOOR COIL ACCESS PANEL
Fig. 1 — Typical Access Panel Locations
Fig. 2 — Outdoor-Air Hood Details
Fig. 3 — Vertical Block-Off Plate Installation
(10 and 12
1
⁄
2
Ton Units Only)
Fig. 4 — Economizer Installation
Fig. 5 — Horizontal Discharge Economizer
Installation
2