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INSTALLATION INSTRUCTIONS FOR COMBINATION AIR HOODS
(18D80; 620262-01) USED WITH LG/LC/KG/KC/KH 024-090 UNITS
COMBINATION OUTDOOR
AND EXHAUST AIR HOOD KIT
508043-01
1/2020
©2020 ECONOMIZERS
Shipping and Packing List
Package 1 of 1 contains:
1-Hood top
2-Hood sides
1-Hood divider panel
1-Hood top filter bracket
1-Filter
1-Bag assembly containing:
#10-32 X 1/2 Thread forming screws
#10-16 X 5/8 Sheet metal screws
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, person
al injury or loss of life. Installation and service must
be performed by a licensed professional HVAC in
staller or equivalent, service agency, or the gas sup
plier.
CAUTION
As with any mechanical equipment, contact with
sharp sheet metal edges can result in personal injury.
Take care while handling this equipment and wear
gloves and protective clothing.
Application
This combination hood replaces both fresh/outdoor air and
exhaust air hoods in downflow air discharge applications.
Outdoor Air Hoods - Downflow
1- Assemble hood as shown in figure 1. Slide top of hood
into the ends of pivot bracket (reuse existing bracket).
2- Secure hood sides to unit.
3- Position filter in place and install top filter bracket to
secure filter in place.
4- Caulk ends of pivot bracket to seal watertight.
FIGURE 1
ASSEMBLE HOODS DOWNFLOW AIR APPLICATIONS
(024-060 SHOWN)
HOOD TOP
HOOD SIDES
SECURE GED TO
HOOD SIDES WHEN
OPTIONAL POWER
EXHAUST IS
INSTALLED
HOOD
DIVIDER PANEL
SECURE
DIVIDER PANEL
TO BOTH SIDES
FILTER
TOP FILTER
BRACKET
SET FILTER IN PLACE
AND SECURE TOP
FILTER BRACKET
FILTER
HOOD
TOP
TOP FILTER
BRACKET
SIDE VIEW
ECONOMIZERS BUILT
BEFORE 9/2019:
PRE-DRILL HOLES OR
USE SELF-TAPPING
SCREWS TO INSTALL
HOOD. SEAL UNUSED
HOLES TO PREVENT
LEAKS
PIVOT
BRACKET
(EXISTING)