40
Low Ambient Control (Factory Op tion)
If the unit comes with Electro --Mechanical (EM) control,
then no adjustment is necessary.
If the unit comes with PremierLinkt or RTU Open
controller option, then refer to its installation control
manua l for details on adjusting “Cooling Lock--Out”
setting and configure for your specific job requirements.
Staged Air Volume (SAVt)withVariable
Frequency Drive (Factory--Installed
Option)
For details on operating 50HC 2 stage cooling units
equipped with the factory--installed Staged Air Volume
option, refer t o the Variable Frequency Drive (VFD)
Installation, Start--Up and Service Instructions.
ComfortLink (Factory--Installed Option)
For details on operating 50HC units equipped with the
factory--installed ComfortLink option, refer to Contr ols,
Start--Up, O peration and Tr oubleshooting for 48/50HC
04--28 Single Package Rooftop Unit with ComfortLink
Contr ols .
C12311
Fig. 45 -- 50H C Control Box Component Locations with ComfortLink Controls
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