CAUTION1. This equipment must be earthed. It may cause electrical shock if grounding is not perfect.2. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates atsurrounding of the unit, it may cause fire.3. Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage thefurniture.ATTENTION1. Selection of the installation location and installation.Select an installation location which is rigid and strong enough to support or hold the unit, and select a location for easy maintenance.2. Power supply connection to the room air conditioner.Connect the power supply cord of the room air conditioner to the mains using one of the following method.Power supply point shall be the place where there is ease for access for the power disconnection in case of emergency.In some countries, permanent connection of this room air conditioner to the power supply is prohibited.1. Power supply connection to the socket using a power plug.Use an approved 15A power plug with earth pin for the connection to the socket.2. Power supply connection to a circuit breaker for the permanent connection. Use an approved 16A circuit breaker for the permanentconnection. It must be a double pole switch with a minimum 3.5 mm contact gap.3. Do not release refrigerant.Do not release refrigerant during piping work for installation, re-installation and during repairing a refrigeration parts. Take care of theliquid refrigerant, it may cause frostbite.4. Installation work.It may need two people to carry out the installation work.5. Do not install this appliance in a laundry room or other location where water may drip from the ceiling, etc.54CS-E15DB4EW CU-E15DBE / CS-E18DB4EW CU-E18DBE / CS-E21DB4ES CU-E21DBE