TRIAL OPERATION CHECKING DEVICE FOR AIR CONDITIONER

摘要

PURPOSE:To facilitate checking of an electric system and to reduce labor hour and man-power of an electric operator by forcibly turning OFF a compressor even before a refrigerant tube is connected between an outdoor unit and an indoor unit. CONSTITUTION:The trial operation checking device for an air conditioner comprises manual instruction means for manually instructing transfer of compressors placed in outdoor units la 1c to forcible stop states before the units 1a-1c are connected to indoor units 2a-2n via refrigerant tubes 3, compressor stopping means for transferring the compressors to forcible stop states in response to its command, and checking means for checking a desired electric system in the state that the compressors are forcibly stopped. The stop means and the checking means have essential parts of command controllers 6 built in the unit 1a (-1c). The instruction means is a test pin terminal provided at the controller 6.