Patent ID: 7735328

Claim:
A portable apparatus for monitoring state information in a trial run mode of a multi-airconditioning system in which a plurality of indoor units are connected to an outdoor unit, comprising: a trial-run-mode controller having a trial-run-mode program for automatically detecting poor installation of the multi-airconditioning system, controlling to power up/down the indoor units at a remote site, and detecting temperature information of individual pipes contained in the outdoor unit and a device state of the outdoor unit, wherein the trial-run mode controller is configured to be easily connected to and disconnected from the outdoor unit; and a control input & state display unit which is connected to the trial-run-mode controller, enters control signals capable of performing control and monitoring operations of the trial run mode executed after the multi-airconditioning system has been installed, and outputs information associated with the control signals, wherein the trial-run-mode controller includes a microprocessor for controlling the indoor and outdoor units, and monitoring the indoor and outdoor units; an outdoor-unit connector configured to be easily connected to and disconnected from the outdoor unit; and a computer connector configured to be easily connected to and disconnected from a computer acting as a terminal capable of entering the control signals and displaying operation states; and wherein the trial-run-mode program is automatically performed after the trial-run-mode controller is connected to the outdoor unit and the control input & state display unit.