Carrier 40QQ Series - Vertical EconoMi$er X Installation; Vertical Economizer Installation Steps

19
INSTALLATION - VER TICAL
1. Turn off unit power supply(s) and install lockout tag.
2. Remove the existing unit filter access panel. Raise the
panel and swing the bottom outwa rd. The panel is
now disengage d from the track and ca n be removed
and discarded (See Fig. 26).
WARNING
!
ELECTRIC SHOCK HAZARD
Failure to follow this warning could result in
personal injury or death.
Disconnect power supply and install lockout tag
before attempting to install accessory.
3. Remove the indoor coil access panel and discard (See
Fig. 27).
4. The EconoMi$er X hood assembly is shipped
assembled. Aluminum filter must be installed on
some models.
5. Set the EconoMi$er X upright (See Fig. 28).
6. Insert the EconoMi$er X assembly into the rooftop
unit positioning the EconoMi$er on the bot tom left of
the opening.
7. Secure the EconoMi$er X mounting flanges to the
unit with the screws provided (See Fig. 28).
Follow the instructions for the horizontal economizer
from step 10 onwards.
HH79ZZ007
Outside Air
Temperature
Sensor
Actuator
(Hidden)
Wiring
Harness
HH57AC081
Enthalpy Accessory
Location (Field
Installed)
Fig. 26 - Vertical EconoMi$er X Component
Locations
Outdoor-Air Opening and
Indoor Coil Access Panel
Filter Access Panel
Fig. 27 - Typical Outdoor Air Section Access Panel
Locations
HVAC Unit Filters
Insert
Screw in
EconoMi$er X
Flanges
Wiring
Harness
EconoMi$er X
Fig. 28 - EconoMi$er X Installed in H VAC Unit
EconoMi$er IV Rear Flange
Unit Filter
Rack
Unit Base
EconoMi$er X
Hold Down Tab
EconoMi$er X
Fig. 29 - Top View of Vertical EconoMi$er X
Installation
Fig. 30 - W7220 Controller
40QQ