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SGA-Q Series Four-Pipe Cooling and Heating Integrated Unit

Canatal SGA-Q series four-pipe refrigeration and heating integrated unit provides chilled water for centralized air conditioning engineering's centralized air handling equipment or terminal devices. The unit is a completely independent integrated unit, designed for outdoor (rooftop or ground) installation, supporting single refrigeration, single heating, and simultaneous refrigeration and heating operation modes. The refrigeration capacity ranges from 280kW to 800kW, and the heating capacity ranges from 290kW to 1000kW. Each unit includes a semi-hermetic screw compressor, a chilled water heat exchanger (shell and tube heat exchanger), a hot water heat exchanger (plate heat exchanger), and a microcomputer control center, all installed on a channel steel structure base. All related refrigerant piping and internal wiring can be prefabricated before leaving the factory. On-site, only water, power, and control lines need to be connected for normal operation, making installation convenient.

Application Scenarios

Large integrated building complexes, commercial areas, office buildings, hotels, as well as hospitals, swimming pools, museums, archives, art galleries, and other places with high requirements for temperature and humidity

Features and Value

Safe and reliable

▪ Uses a dual compressor design, automatically balancing the operating time of each compressor for good compressor redundancy;

▪ Compressors start up one by one, with low starting current, reducing the impact on the power grid;

▪ Integrated heating and cooling design, avoiding the need for separate configurations for simultaneous heating and cooling supply in traditional systems;

High efficiency and energy saving

▪ Variable frequency fan and advanced group control logic expand the operating range of the unit and improve its overall energy efficiency.

▪ Maximized energy utilization: By consuming a small amount of electricity, it achieves simultaneous cooling and heating, allocating according to building needs, maximizing energy utilization, with a maximum integrated energy efficiency ICOP of nearly 9.0;

Intelligent control

▪ The unit uses adaptive heating and cooling balance technology, automatically adjusting output according to changes in the building's heating and cooling needs; at the same time, precise control of the outlet water temperature makes users feel more comfortable.

▪ Under the demand for simultaneous heating and cooling supply, it can automatically adjust output in the range of 12.5%~100% according to the building's heating and cooling needs;