Abstract: A method of defrosting an indoor coil in a refrigeration system in which, with a controller of the refrigeration system, a selected one of a number of predetermined defrost mode procedures is selected. Each predetermined defrost mode procedure is associated with a predetermined range of values of one or more predetermined parameters. Each predetermined defrost mode procedure includes adjustment of one or more components of the refrigeration system upon commencement of the defrost mode for optimum operation of the refrigeration system in the defrost mode, when the predetermined parameter is within the predetermined range of values upon commencement of operation in the defrost mode. With the controller, the component of the refrigeration system is adjusted in accordance with the selected one of the predetermined defrost mode procedures.

Abstract: A refrigeration system in which a refrigerant is circulatable, the refrigeration system including an indoor coil assembly with an indoor coil and a suction header subassembly connected with indoor coil circuits of the indoor coil. The suction header subassembly includes a hollow suction header body defining a suction header bore therein and one or more extended spigots defining an extended spigot bore therein for directing the refrigerant into a selected one of the indoor coil circuits when operating in a defrost mode. The extended spigot includes an open inner end that is located in the suction header bore to receive a portion of the refrigerant flowing therethrough when the refrigeration system is operating in the defrost mode.

Abstract: A method of defrosting an indoor coil in a refrigeration system in which, with a controller of the refrigeration system, a selected one of a number of predetermined defrost mode procedures is selected. Each predetermined defrost mode procedure is associated with a predetermined range of values of one or more predetermined parameters. Each predetermined defrost mode procedure includes adjustment of one or more components of the refrigeration system upon commencement of the defrost mode for optimum operation of the refrigeration system in the defrost mode, when the predetermined parameter is within the predetermined range of values upon commencement of operation in the defrost mode. With the controller, the component of the refrigeration system is adjusted in accordance with the selected one of the predetermined defrost mode procedures.