用户指南 整机 室内机 室外机 ACH1800E ACH2400E ACH3600G ACH4400G CH18ZA CH24ZA CH36ZA CH44ZA ICH1800E ICH2400E ICH3600G ICH4400G CH18ZA CH24ZA CH36ZA CH44ZA UBH1800E UBH2400E UCH3600G UCH4400G CH18ZAX CH24ZAX CH36ZAX CH44ZAX 空调机 (冷暖型) C DB68-01023A