A refrigerator appliance, comprising: a first refrigeration compartment; a condenser; at least one evaporator in thermal communication with the first refrigeration compartment; a refrigerant; a compressor; a refrigerant circuit arranged to allow flow of the refrigerant between the condenser, each evaporator and the compressor, the refrigerant circuit comprising a primary and a secondary evaporator conduit arranged in parallel between the condenser and each evaporator; a primary pressure reducing device configured within each primary evaporator conduit and a secondary pressure reducing device configured within each secondary evaporator conduit, the primary and the secondary pressure reducing devices set at different pressure reduction levels; a valve system configured within the primary and the secondary evaporator conduits, the valve system capable of selectively directing or restricting flow of the refrigerant through each one, or all, of the evaporator conduits arranged in parallel between the condenser and each evaporator; a heat exchanging member (26,27,66,67) in thermal contact with the primary evaporator conduits, but not the secondary evaporator conduits, wherein the thermal contact is either at a location downstream of the valve system and upstream from the primary pressure reducing device or at the primary pressure reducing device; characterized in that: the compressor is a multi-capacity compressor with a maximum capacity, a minimum capacity, and a nominal capacity; and by a controller for controlling the valve system and the compressor to maintain the first refrigeration compartment at any of a plurality of selectable temperatures, wherein the controller is configured to distribute the refrigerant in the circuit to effect substantial sub-cooling of the refrigerant in the condenser or superheating of the refrigerant in each evaporator, upon the initiation of a compressor ON-cycle, and wherein the controller is further configured to direct the refrigerant through the secondary evaporator conduit and bypass each heat exchanging member (26,27,66,67) upon the initiation of the compressor ON-cycle. a first refrigeration compartment; a condenser; at least one evaporator in thermal communication with the first refrigeration compartment; a refrigerant; a compressor; a refrigerant circuit arranged to allow flow of the refrigerant between the condenser, each evaporator and the compressor, the refrigerant circuit comprising a primary and a secondary evaporator conduit arranged in parallel between the condenser and each evaporator; a primary pressure reducing device configured within each primary evaporator conduit and a secondary pressure reducing device configured within each secondary evaporator conduit, the primary and the secondary pressure reducing devices set at different pressure reduction levels; a valve system configured within the primary and the secondary evaporator conduits, the valve system capable of selectively directing or restricting flow of the refrigerant through each one, or all, of the evaporator conduits arranged in parallel between the condenser and each evaporator; a heat exchanging member (26,27,66,67) in thermal contact with the primary evaporator conduits, but not the secondary evaporator conduits, wherein the thermal contact is either at a location downstream of the valve system and upstream from the primary pressure reducing device or at the primary pressure reducing device; characterized in that: the compressor is a multi-capacity compressor with a maximum capacity, a minimum capacity, and a nominal capacity; and by a controller for controlling the valve system and the compressor to maintain the first refrigeration compartment at any of a plurality of selectable temperatures, wherein the controller is configured to distribute the refrigerant in the circuit to effect substantial sub-cooling of the refrigerant in the condenser or superheating of the refrigerant in each evaporator, upon the initiation of a compressor ON-cycle, and wherein the controller is further configured to direct the refrigerant through the secondary evaporator conduit and bypass each heat exchanging member (26,27,66,67) upon the initiation of the compressor ON-cycle. the compressor is a multi-capacity compressor with a maximum capacity, a minimum capacity, and a nominal capacity; and by a controller for controlling the valve system and the compressor to maintain the first refrigeration compartment at any of a plurality of selectable temperatures, wherein the controller is configured to distribute the refrigerant in the circuit to effect substantial sub-cooling of the refrigerant in the condenser or superheating of the refrigerant in each evaporator, upon the initiation of a compressor ON-cycle, and wherein the controller is further configured to direct the refrigerant through the secondary evaporator conduit and bypass each heat exchanging member (26,27,66,67) upon the initiation of the compressor ON-cycle.