1.Applicable ambient temperature range:The machine is adaptive in following situation1Cautions3. If the fuse on PC board is broken please change it with the type of T. 3.15A/250V.4. The distance between the indoor unit and the floor should be more than 2m.5. The wiring method should be in line with the local wiring standard.6. After installation, the power plug should be easily reached.7. The waste battery should be disposed properly.8. The appliance is not intended to use by young children or infirm persons without supervision.9.Young children should be supervised ensure that they do not play with the appliance.10.The appliance must be installed on strong enough supporter.11.The wiring diagram is attached inside the machine.12.For model HSU-24R04, the breaker of the air conditioner should be an air gap contact.Such means for disconnection must be incorporation in the fixed wiring according tothe wiring rules.2. If the supply cord is damaged, it must be replaced by the manufacturer or its service agentor a similar qualified person. The type of connecting wire is H05RN-F or H07RN-FCoolingHeatingIndoorOutdoorIndoorOutdoorMaximum: D.B / W.BMinimum: D.B / W.BMaximum: D.BMinimum: D.BMaximum: D.BMinimum: D.BMaximum: D.B / W.BMinimum: D.B / W.B32oC/23oC18oC/14oC43oC/26oC18oC27oC15oC24oC/18oC-7oC/-8oC