HEATER AND OUTDOOR UNIT FOR REFRIGERATION UNIT PROVIDED WITH HEATER

摘要

An outdoor unit (10) includes a casing (20) including four side surfaces (4). The outdoor unit (10) includes an outdoor heat exchanger (30) disposed in the casing (20), including four heat exchange surfaces (30a) corresponding to the side surfaces (4) of the casing (20), and including an opening (3a) disposed on side surfaces of the outdoor heat exchanger (30). A heater (75) is in a shape of a rectangular frame along a lower end portion of the outdoor heat exchanger (30), and avoids freeze of drain water on the outdoor heat exchanger (30). The heater (75) includes hinges (70) allowing the heater to fold longitudinally.