Haier HBU-18HD03 User Manual - Page 20
Safety Precautions
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Electric work The electric work must be burden on the authorized engineer with qualification for electric work and grounding work, and the work must be conducted in accordance with electric equipment technical standard. The power source for the unit is to be of exclusive use. An earth leakage breaker should be installed. (This is necessary to prevent electric shock.) The unit must be grounded. SAFETY PRECAUTIONS Before starting to use the system, read carefully this "SAFETY PRECAUTIONS" to ensure a proper operation of the system. Safety precautions described here are classified as " WARNING" and " CAUTION". Precautions which are shown in the column of " WARNING" means that an improper handling could lead to a grave result like a death,serious injury, etc. However, even if precautions are shown in the column of " CAUTION", a very serious problem could occur depending on situation. Make sure to observe these safety precautions faithfully because they are very important information to ensure the safety. Symbols which appear frequently in the text have following meanings. Strictly prohibited. Observe instructions faithfully. Provide a positive grounding. When you have read through the manual, keep it always at hand for ready consultation. If the operator is replaced, make sure to hand over this manual to the new operator. CAUTIONS FOR INSTALLATION WARNING The system should be applied to places as office , restaurant, residence and the like. The system should be installed by your dealer or a professional installer. When you need some optional devices such as a humidifier, electric heater, etc., be sure to use the products which are recommended by us. These devices should be attached by a professional installer. Application to inferior environment such as an engineering shop,could cause equipment malfunction and serious injury or death. Installation by yourself is not encouraged because it could cause such problems as water leakage, electrical shock or fire accident by some improper handling. Installation by yourself is not encouraged because it could cause such problems as water leakage, electrical shock or fire accident by some improper handling. 19