Filter
Top Products
16
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 hood assembly to unit at this
time.
6. For 48TF014 units, install the return air block-off plate
over the return air duct opening. See Fig. 33.
NOTE: For 48TF008 and 012 units, remove the factory-
installed block-off plate. See Fig. 33.
7. Slide the EconoMi$er assembly into the rooftop unit. See
Fig. 34 and 35.
NOTE: Be sure to engage rear EconoMi$er flange under tabs in
return air opening of the unit base. See Fig. 34.
8. Install the outdoor air block-off plate, then secure the
EconoMi$er with the screws provided. See Fig. 35.
9. Remove and store the 12-pin jumper plug from the unit
wiring harness located in the upper left corner and insert
the EconoMi$er plug into the unit wiring harness. Refer
to wiring diagram Fig. 36 and 37. Also refer to Fig. 38 if
installing an accessory power exhaust.
10. Install the complete hood assembly on the unit and secure
using the screws provided.
11. Remove the indoor fan motor access panel.
12. Mount the supply air temperature sensor to the lower left
portion of the indoor blower housing with the two (2)
screws provided (see Fig. 39). Connect the violet and
pink wires to the corresponding connections on the sup-
ply air temperature sensor. Replace the indoor fan motor
access panel.
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
Fig. 31 — Outdoor Air Hood Assembly
Fig. 32 — Completed Hood Assembly
WIRING HARNESS
OUTDOOR AIR
BLOCK-OFF PLATE
Fig. 35 — EconoMi$er Installed in
48TF008 and 012 Units
ECONOMIZER
ECONOMIZER REAR
FLANGE
UNIT BASE
UNIT FILTER
RACK
ECONOMIZER CLIP
HVAC UNIT
Fig. 34 — Rear EconoMi$er Flange Installation
BLOWER
FILTER
RETURN AIR
BLOCK-OFF
PLATE
REMOVE FACTORY INSTALLED
BLOCK-OFF PLATE
(008 AND 012 UNITS ONLY)
INSTALL
Fig. 33 — Return Air Block-Off Plate Installation
(48TF014 Units Only)