NOTE TO INSTALLER:
This manual should be left with the equipment
owner.
WARNING:Before performing recommended main-
tenance, be sure main power switch to unit is turned
off. Electrical shock could cause personal injury.
Model 557ASinglePackaged CoolingUnitsWithoutBaseRail
Model 557ASinglePackageCoolingUnitsWithOptionalBaseRail
user’s information manual
SINGLEPACKAGED
COOLING UNITS
557A
Sizes 024-060
Cancels:OM01-53 OM01-64
1/03