Scroll condensing unit YD Millennium

air-cooledfor outdoor use

Meets or exceeds ASHRAE 90.1-2007 Standards Simplicity® controls. Inherently protected condenser fan motors. V-Coil Design with exterior service port connections Five-minute anti-short cycle timer and minimum compressor run time. Standard operation to 40°F. Factory or field-installed low-ambient VFD control to 0°F. Factory-installed disconnects, convenience outlet and technicoated coil option. Scroll compressors provide both high efficiency and reliability. Condenser coils constructed of MicroChannel aluminum tube, aluminum fins for durability and long lasting and efficient operation. Crankcase heaters that will be de-energized when the compressor is operating. Self-contained high and low pressure controls. Solid state or internal line break compressor motor protection. Class 2, 24-volt thermostat control circuit. A filter drier is shipped in the unit’s control box for field installation in the liquid line. Copper stub-outs are factory-mounted on the suction and liquid lines to simplify the field piping connections. Compressor staging for capacity reduction provides more economical operation and even temperature levels within the conditioned space (except 7.5 ton). Multiple controls to provide stable system operation at ambient temperatures down to 40ºF with kits available for operation to 0ºF. A lockout circuit prevents the unit from cycling on safety control. Pumpout on unit startup to prevent allowing liquid refrigerant returning to the compressor is standard on 25 through 50 ton models.