3
INSTALLER’S GUIDE
18-HE39D8-13A-EN
Mixed Air Sensor
Economizer Assembly
Rainhood Assembly
Figure 1. Economizer Kit Components
YC*, TC*, WC*, DC* *018A to *036
Figure 2. Economizer Kit Components
YC*, TC*, WC*, DC* *042A to *060
Figure 3. Remove Panels
DC, TC, WC,
or YC Unit
Horizontal
Return Air
Panel
Down Flow
Return Air
Panel
Blower Access Panel
Control Box Access
Panel
Coil Access
Panel
Mixed Air Sensor
Economizer Assembly
Rainhood Assembly
Mist Eliminator
(Filter)
Mist Eliminator
(Filter)
Return Air Damper
Flange Screw and
two (2) Mixed Air
Sensor
Sheetmetal Screws
(not shown)
Top Sealing
Flange
Return Air Damper
Flange Screw and
two (2) Mixed Air
Sensor
Sheetmetal Screws
(not shown)