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0 TIP4UIIE <br />Mechanical Specification Options <br />General <br />The outdoor condensing units are factory charged with <br />the system charge required for the outdoor condensing <br />unit, ten (10) feet of tested connecting line, and the <br />smallest rated indoor evaporative coil match. This unit <br />is designed to operate at outdoor ambient <br />temperatures as high as 115°F. Cooling capacities are <br />matched with a wide selection of air handlers and <br />furnace coils that are AHRI certified. The unit is certified <br />to UL 1995. Exterior is designed for outdoor <br />application. <br />Casing <br />Unit casing is constructed of heavy gauge, galvanized <br />steel and painted with a weather -resistant powder <br />paint finish. The corner panels are prepainted. All <br />panels are subjected to our 1,000 hour salt spray test. <br />Refrigerant Controls <br />Refrigeration system controls include condenser fan, <br />compressor contactor and low and high pressure <br />switches. A factory supplied, field installed liquid line <br />drier is standard. <br />Compressor <br />The compressor features internal over temperature and <br />pressure protection. Other features include: Centrifugal <br />oil pump and low vibration and noise. <br />Condenser Coil <br />The outdoor coil provides low airflow resistance and <br />efficient heat transfer. The coil is protected on all four <br />sides by louvered panels. <br />Low Ambient Cooling <br />As manufactured, this system has a cooling capacity to <br />55°F. The addition of an evaporator defrost control <br />permits operation to 40°F. The addition of an <br />evaporator defrost control with TXV permits low <br />ambient cooling to 30°F. <br />The addition of the BAYLOAM107A low ambient kit <br />permits ambient cooling to 20°F. <br />Thermostats —Cooling only and heat/cooling (manual <br />and automatic change over). Sub -base to match <br />thermostat and locking thermostat cover. <br />4TTR4060N-SUB-1 B-EN <br />