Haier HSU18XH7-G - Ductless Split Indoor Wall Mount Unit Heat Pump Service Manual

Also see for HSU-18HEK13/R2: Operation manual

IntroductionDomestic Air ConditionerWarningDo not repair the electrical components with wet hands. Working on the equipment with wet hands cancause an electrical shock.Do not clean the air conditioner by splashing water. Washing the unit with water can cause an electricalshock.Be sure to provide the grounding when repairing the equipment in a humid or wet place, to avoid electricalshocks.Be sure to turn off the power switch and unplug the power cable when cleaning the equipment. Theinternal fan rotates at a high speed, and cause injury.Do not tilt the unit when removing it. The water inside the unit can spill and wet the furniture and floor.Be sure to check that the refrigerating cycle section has cooled down sufficiently before conducting repairwork. Working on the unit when the refrigerating cycle section is hot can cause burns.Use the welder in a well-ventilated place. Using the welder in an enclosed room can cause oxygendeficiency.2.1.2 Cautions Regarding Products after RepairWarningBe sure to use parts listed in the service parts list of the applicable model and appropriate tools toconduct repair work. Never attempt to modify the equipment. The use of inappropriate parts or tools cancause an electrical shock, excessive heat generation or fire.When relocating the equipment, make sure that the new installation site has sufficient strength towithstand the weight of the equipment.If the installation site does not have sufficient strength and if the installation work is not conductedsecurely, the equipment can fall and cause injury.Be sure to install the product correctly by using the provided standard installation frame.Incorrect use of the installation frame and improper installation can cause the equipment to fall, resultingin injury.Forintegralunits onlyBe sure to install the product securely in the installation frame mounted on a window frame.If the unit is not securely mounted, it can fall and cause injury.Forintegralunits onlyHSU-18 24HEK13/R23