U-Match Single Zone Installation Manual

Fan quantity selecting (36K-60K)
Micro-switch SW4 is for selection of quantity of fan motors. Same
as size selection switch, this switch is for making the PCB suitable
for all series units. DO NOT change it at random unless you want to
use the PCB as a spare part
Range: Single Fan, Double Fan
Cassette Units Duct Units Ceiling & Floor Console Special Tips
Service Space Ceiling Suspending Wall Mounted Pre-settings