METHOD FOR UPDATING SOFTWARE OF SYSTEM AIR CONDITIONER

摘要

A software update method for a system air conditioner is provided to reduce the time for updating and service cost by allowing remote updating of software in the indoor and outdoor units of the air conditioner. A software update method for a system air conditioner comprises a memory in which operation control software is stored. A software update method of the system air conditioner is as follows. When an update signal of the operation control software is inputted during the operation of the system air-conditioner(120), characteristic information is stored in the specific area of the memory and the operation control mode is converted into the software update mode(125,130). Operation control software is updated in the update mode(155).