Factory-Installed Options - Carrier 52S Architects And Engineers' Manual

ORDERING DATA (cont)
FACTORY-INSTALLED
OPTIONS
Wall Thermostat Control (RC)
Carrier's wall thermostat control option includes:
• a standard chassis with front panel
• factory-installed low voltage controls for remote
thermostat operation
A wall thermostat must be ordered separately.
NOTE: A heat/cool or heat pump thermostat is avail-
able for each application. Be sure to connect reversing
valve wiring to the B connection of the thermostat for
heat pump applications.
Corrosion Protection (CP)
To protect against the corrosive effects of a seacoast
environment, this option includes:
• a standard chassis with front panel
• special protections consisting of:
— painted control box and unit partitions
— pre-coated aluminum coils with copper tubing
— stainless steel tube sheets (outdoor coil)
— totally enclosed fan motor with moisture-
resistant windings
NOTE: All installations within one mile of the sea
coast or other corrosive environment must use Corro-
sion Protection (CP).
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