5
Fig. 3 — Vertical Economizer installed in R/A Section
Fig. 4 — Rear EconomizerONE Flange installation for 
Vertical Units
Fig. 5 — Mixed Air Temperature Switch Relocation 
for Select 6 and 7.5 Ton Horizontal Units 
Fig. 6 — Mixed Air Temperature Switch Relocation 
for Select 7.5 to 12.5 Ton Horizontal Units
Fig. 7 — Horizontal Economizer Installed in R/A 
Section
Fig. 8 — Attach O/A Panel
Wiring
Harness
EconomizerONE
HVAC Unit Filters
Insert Screw in
EconomizerONE
Flanges
 
Unit Filter
Rack
EconomizerONE
Hold Down Tab
Unit Base
EconomizerONE
EconomizerONE Rear Flange
See Detail A
Detail A
Factory 
Location
New Location
See Detail A
Detail A
Factory 
Location
New Location
O/A Panel