CABINET—All access panels can be opened or removed without
affecting the structural strength of the unit. Stamped louvered panels offer 100% protection for the condenser coil.
EQUIPMENT GROUND— Lug for field connection of ground wire.
CONTACTOR—The contactor is an electrical switch which operates the compressor and outdoor fans. Its 24 volt coil is activated
on a call for cooling or heating.
TRANSFORMER—75 VA step-down type, from Line to 24 volts
with resetable circuit breaker.
CAPACITOR—Help provide starting torque necessary to boost
the condenser fan motors to operating speed by directing their
stored energy to the starter winding in step with the running
DEMAND DEFROST CONTROL—Used when unit is in heating
mode to defrost outdoor coil.
AUTO-RESET HIGH PRESSURE CONTROL, AND AUTORESET LOW PRESSURE CONTROL—To provide compressor
protection under abnormally high head pressure conditions (outdoor fan failure, restriction, dirty coil, etc.) or abnormally low suction pressure conditions (restrictions, TEV failure, loss of charge,
indoor blower failure, etc.) while eliminating nuisance tripping
sometimes experienced with conventional control systems.
COIL—Constructed with copper tubes and aluminum fins
mechanically bonded to tubes for maximum heat transfer
capabilities. All coil assemblies are leak tested up to 550
PSIG (3792 kPa) internal pressure.
SERVICE ACCESS—Control box with separate line and
control voltages, as well as compressor and other refrigerant
controls are accessible through access panels. An electrical
access cover may be opened or removed without affecting
normal operation of the unit. Condenser fan motors are
equipped with molded plugs for easy removal. Louver panels
and end access panel can be removed for coil cleaning.
BASE PAN—Galvanized steel with weather-resistant baked
COMPRESSOR—The Scroll Compressor is hermetically
sealed with internal high temperature protection, and durable
insulation on motor windings. The entire compressor is
mounted on rubber grommets to reduce vibration and noise.
TX VALVE—Used when unit is in heating mode and outdoor
coil functions as evaporator.
CRANKCASE HEATER—Minimizes refrigerant migration to
SUCTION LINE ACCUMULATOR—To prevent liquid slugging of compressor.
REFRIGERANT CONNECTIONS—All field sweat joints are
made external of the unit and are located close to the ground
for a neat looking installation.
SERVICE VALVES—Standard on liquid line and vapor line.
REVERSING VALVE—Sized for maximum capacity and efficiency, 24V coil, energized in heating.