A tilting door assembly having a door frame and a door leaf arranged to move from a vertical closed position to a horizontal open position about a horizontal tilt axis. A plurality of fixed guide tracks guide movement of the door leaf between the open and closed positions. A counterweight is provided, with a sheave and cable system arranged between the door leaf and the counterweight and a winch coupled to the counterweight via a winch cable. The winch is operable to open and close the door such that raising the counterweight moves the door towards the closed position, and lowering the counterweight moves the door towards the open position. The counterweight has a mass that is greater than a mass of the door leaf.

A latch module incorporated with an automatic opening function and a secure lock function includes a latch, a spring that applies a force to move the latch in a first direction, a drive to move the latch in a second direction, a cam that transmits power of the drive to the latch, and first and second switches that are turned on and off by the cam. The first and second switches are in a first mode in which the two switches are turned on and the latch is disposed at a manual lock position, a second mode in which the first switch is turned on and the second switch is turned off and the latch is disposed at an opening position, a third mode in which the first switch is turned off and the second switch is turned on and the latch is in a secure lock position.