From inside (document excerpt):
Air-Conditioners PLH-2, 2.5KKC FOR INSTALLER ON/OFF CENTRALLY CONTROLLED ON OFF CHECK CLOCK 1Hr. °C FILTER CHECK MODE STAND BY DEFROST °C TEST RUN NOT AVAILABLE E INSTALLATION this installation manual thoroughly before installing the air-conditioner unit. MANUAL For safe and correct use, please read E Contents E 1. Safety Precautions 1. Safety Precautions . 2 2. Indoor unit installation location .
7 3. Outdoor unit installation location 8 4. Installing the indoor unit 11 5. Installing the outdoor unit . 15 6. Cooling pipe and drain pipe . 16 7. Electrical work 20 8. Test run 28 9. Troubleshooting . 30 10. Field electrical wiring (Power wiring specifications) . 31 11. Installing the grille 32 1.1. Before installation and electric work s Since this unit contains rotating parts and parts which could cause an electric shock,be sure to read all of the “Safety Precautions ” before operating the unit. s The “Safety Precautions ” provide very important points regarding safety. Make sure you follow them. s Please report to or take consent by the supply authority before connection to the system. Symbols used in the text Warning: Describes precautions that should be observed to prevent danger of injury or death to the user. Caution: Describes precautions that should be observed to prevent damage to the unit. Symbols used in the illustrations : Indicates an action that must be avoided. : Indicates that important instructions must be followed. : Indicates a part which must be grounded. : Indicates that caution should be taken with rotating parts. (This symbol is displayed on the main unit label.) : Indicates the main switch. (This symbol is displayed on the main unit label.) Warning: Carefully read the labels affixed to the main unit. 1.1. Before installation and electric work This Installation Manual and the Operation Manual should be given to the user of the air conditioner. The user should keep both manuals in a place where they are accessible at any time. If the air conditioner must be moved or repaired, these manuals should be made available to the service personnel. These manuals should be kept with the air conditioner at all times and passed on to subsequent users. Warning: The unit should not be installed by the user. Ask the dealer or an authorized technician to install the unit. If the unit is installed improperly, water leakage, electric shock or fire may result. Use only accessories authorized by Mitsubishi Electric and ask the dealer or an authorized technician to install them. If accessories are installed improperly, water leakage, electric shock or fire may result. The Installation Manual details the suggested installation method. Any structural alteration necessary for installation must comply with local building code requirements. The user should never attempt to repair the unit or transfer it to another site. If the unit is repaired improperly, water leakage, electric shock or fire may result.