安装规程1、绘制法律规范的工程图纸.......................................................................................................11.1 熟悉多联机组的性能及其安装要求.......................................................................11.1.1 机组外形尺寸和室内机配管尺寸........................................................................11.1.2 连接管管材的选择................................................................................................31.1.3 分歧管规格和分歧管之间连接管管径的选择....................................................41.1.4 连接管允许长度和落差........................................................................................51.1.5 确定排水管的管路图............................................................................................71.1.6 确定保温管...........................................................................................................81.1.7 风管机的特别要求................................................................................................91.1.8 追加制冷剂的计算............................................................................................111.2 绘制法律规范的工程图纸...................................................................................121.2.1 绘制制冷系统管路和排水管工程图................................................................121.2.2 绘制制冷系统管路工程图和排水管路图........................................................121.2.3 绘制电源线和通讯线连接工程图....................................................................152、工程安装..............................................................................................................................182.1 材料采购和设备检查..........................................................................................222.1.1 电源线的采购....................................................................................................222.1.2 电源...