York YGCC Unit - Origin: Guangzhou refrigerants: HCFC-22 control: remote control + remote control COPELAND scroll compressor used: 1, 2, up to 3.1 EER, small vibration, low noise, 3, 4, to effectively prevent liquid strike, about grams for multi-line multi-compressor system 5, according to system loading to choose the number of runs to achieve the "on-demand cooling / heating" the purpose of energy saving indoor fan considerable York YGCC unit features: 1, indoor fan with no level adjustment PG-speed motor; 2 machines at the scene outside the static pressure can be adjusted to 0Pa, standard 40Pa or 80Pa, to meet the needs of a complex scene. Five security: 1. Current overload protection 2. Automatically reset overheat protection 3. 4.PTC material properties of thermal protection fuse protection 5. Surface design of microcomputer control board charged: 1, industrial-grade stability of 2, a variety of control modes: refrigeration, heating, dehumidification, ventilation, sleep 3, hot water coil can be controlled to support the auxiliary heating 4, defrost control - into account, the effective defrost: detection of environmental temperature, calculated run time, consider outdoor fin Frost speed. York YGCC controller is quite distinctive: l, can be completed in the indoor unit for all operations; 2, LCD, friendly interface; 3, room temperature; 4, the indoor humidity; 5, the unit operating mode; 6, the date and time; 7, the fault code; 8, use the remote anywhere in the room control units. Line control functions: 1, sub-chamber control; 2, automatic variable air volume operation; 3, unattended automatic operation; 4, optional IAQ (indoor air quality) control; 5, with heat recovery features of the new air exchanger; 6 , humidifier; 7 photocatalyst sterilization system.