Patent ID: 6571572
Filing Date: 2003-06-03
Classification: F24F

Abstract:
A single package HVAC unit comprising:A) a cabinet assembly; B) a refrigeration circuit housed in said cabinet assembly; C) an open front control box mounted in said cabinet assembly; D) electrical controls for controlling the operation of said refrigeration circuit housed in said control box, said electrical controls comprising electrical disconnect means for connecting the electrical controls to an electrical power source, said electrical disconnect means including a base element fixedly mounted in said control box and a connecting element removably insertable into said base element to connect said electrical controls to the power source when said connecting element is inserted into said base element and for disconnecting said electrical controls for the power source when said connecting element is removed from said base element; E) a control box cover removably covering the open front of said control box; and, F) interconnect means on said control box cover operatively associated with said disconnect means so as to prevent removal of said control box cover from said control box without removal of said connecting element from said base element of said disconnect means.