LG ARNU18GTQB4 Installation Manual page 8

Safety Instructions
• Be cautious that water could not enter the product.
- There is risk of fire, electric shock, or product damage.
• Ventilate the product from time to time when operating it
together with a stove, etc.
- There is risk of fire or electric shock.
• Turn the main power off when cleaning or maintaining the
product.
- There is risk of electric shock.
• When the product is not be used for a long time, disconnect
the power supply plug or turn off the breaker.
- There is risk of product damage or failure, or unintended
operation.
• Take care to ensure that nobody could step on or fall onto
the outdoor unit.
- This could result in personal injury and product damage.
• When mechanical connectors are reused indoors, sealing
parts shall be renewed. (for R32)
• When flared joints are reused indoors, the flare part shall be
re-fabricated. (for R32)
• Periodic ( more than once/year ) cleaning of the dust or salt
particles stuck on the heat exchanger by using water.
• Do not use means to accelerate the defrosting process or to
clean, other than those recommended by the manufacturer.
• Do not pierce or burn refrigerant cycle part.
• Be aware that refrigerants may not contain an odour.
Installation
• Always check for gas (refrigerant) leakage after installation
or repair of product.
- Low refrigerant levels may cause failure of product.
• Install the drain hose to ensure that water is drained away
properly.
- A bad connection may cause water leakage.
8 Indoor Unit
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CAUTION