Filter
Top Products
—13—
C. Convenience Outlet
An optional convenience outlet provides power for rooftop
use. For maintenance personnel safety, the convenience out-
let power is off when the unit disconnect is off. Adjacent unit
outlets may be used for service tools. An optional “Hot Out-
let” is available from the factory as a special order item.
D. Manual Outdoor-Air Damper
The outdoor-air hood and screen are attached to the basepan
at the bottom of the unit for shipping.
Assembly:
1. Determine quantity of ventilation required for build-
ing. Record amount for use in Step 8.
2. Remove filter access panel by raising panel and
swinging panel outward. Panel is now disengaged
from track and can be removed. No tools are required
to remove the filter access panel. Remove outdoor-air
opening panel. Save panels and screws. See Fig. 15.
3. Separate hood and screen from basepan by removing
the screws and brackets securing them. Save all
screws and discard brackets.
4. Replace outdoor air opening panel.
5. Place hood on front of outdoor air opening panel. See
Fig. 16 for hood details. Secure top of hood with the
6 screws removed in Step 3. See Fig. 17.
6. Remove and save 8 screws (4 on each side) from sides
of the manual outdoor-air damper.
7. Align screw holes on hood with screw holes on side of
manual outdoor-air damper. See Fig. 16 and 17.
Secure hood with 8 screws from Step 6.
8. Adjust minimum position setting of the damper blade
by adjusting the manual outdoor-air adjustment
screws on the front of the damper blade. See Fig. 15.
Slide blade vertically until it is in the appropriate
position determined by Fig. 18. Tighten screws.
9. Remove and save screws currently on sides of hood.
Insert screen. Secure screen to hood using the screws.
See Fig. 17.
10. Replace filter access panel. Ensure filter access panel
slides along the tracks and is securely engaged.
E. Optional EconoMi$er IV
See Fig. 19 for EconoMi$er IV component locations.
NOTE: These instructions are for installing the optional
EconoMi$er IV. Refer to the accessory EconoMi$er IV installa-
tion instructions when field installing an EconoMi$er IV
accessory.
1. To remove the existing unit filter access panel, raise
the panel and swing the bottom outward. The panel is
now disengaged from the track and can be removed.
See Fig. 20.
SCREW
HOLES
(TOP)
HOOD
HOOD
SCREEN
LOCATION
(SCREEN
NOT
SHOWN)
Fig. 17 — Optional Manual Outdoor-Air
Damper with Hood Attached
Fig. 16 — Outdoor-Air Hood Details
Fig. 18 — Outdoor Air Damper Position Setting
SCREWS
(SIDE)
MANUAL
OUTDOOR-AIR
ADJUSTMENT
SCREWS
DAMPER
BLADE
FILTER
ACCESS
PANEL
OUTDOOR AIR
OPENING
PANEL
Fig. 15 — Damper Panel with Manual
Outdoor-Air Damper Installed