User`s manual

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17
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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.
Remove the indoor coil access panel and discard. See
Fig. 32.
Controller should be mounted in vertical position as
shown in Fig. 31.
2. Assemble the hood assembly as follows:
Remove the EconoMi$er hood from its packaging.
Locate the outdoor air opening panel. See Fig. 33.
Remove the hood assembly shipping brackets located
on the back (sloped) side of the EconoMi$er assembly.
These brackets are used to retain the hood assembly
during shipping only.
3. Install the
1
/
8
x
3
/
4
in. seal strip on the exhaust air
hood side panels and the bottom bracket. Assemble
the exhaust air hood to the outdoor air opening panel
as shown in Fig. 33, using the screws provided. Do
not attach hood assembly to unit at this time.
4. Install the
1
/
8
x
3
/
4
in. seal strip on the outdoor air
hood top and side panels. Assemble the outdoor air
hood to the outdoor air opening panel as shown in
Fig. 34, using the screws provided. Do not attach hood
assembly to the unit at this time.
5. Slide the outdoor air inlet screens into the screen
track on the hood side panels. While holding the
screens in place, fasten the screen retainer to the
hood using the screws provided. Repeat the process
for the barometric exhaust air screen. Do not attach
completed (Fig. 35) hood assembly to unit at this time.
6. Install the return air block-off plate over the return
air duct opening. See Fig. 36.
7. Slide the EconoMi$er assembly into the rooftop unit.
See Fig. 37 and 38.
OUTDOOR-AIR
OPENING PANEL
FILTER ACCESS
PANEL
Fig. 32 — Typical Access Panel Locations
OUTDOOR AIR
OPENING PANEL
SEAL STRIP
EXHAUST AIR SCREEN
EXHAUST AIR
HOOD TOP
SCREEN
RETAINER
EXHAUST AIR
HOOD SIDES
EXHAUST AIR
BOTTOM BRACKET
SEAL STRIP
SEAL STRIP
OUTDOOR AIR
HOOD TOP
SCREEN
RETAINER
OUTDOOR AIR
INLET
SCREENS
OUTDOOR AIR
HOOD SIDES
ASSEMBLED
EXHAUST HOOD
OUTDOOR AIR
OPENING
PANEL
BLOWER
FILTER
RETURN AIR
BLOCK-OFF
PLATE
OUTDOOR AIR
BLOCK-OFF PLATE
ECONOMI$ER
Fig. 33 — Exhaust Air Hood Assembly
Fig. 34 — Outdoor Air Hood Assembly
Fig. 35 — Completed Hood Assembly
Fig. 36 — Return Air Block-Off Plate Installation