Panasonic S-12MT2U6 Installation Instructions Manual

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Contents

2IMPORTANT!Please Read Before StartingThis air conditioning system meets strict safety andoperating standards. As the installer or service person, it isan important part of your job to install or service thesystem so it operates safely and efficiently.For safe installation and trouble-free operation, youmust:● Carefully read this instruction booklet before beginning.● Follow each installation or repair step exactly as shown.● This air conditioner shall be installed in accordance withNational Wiring Regulations.● Pay close attention to all warning and caution noticesgiven in this manual.WARNINGThis symbol refers to a hazard orunsafe practice which can resultin severe personal injury or death.CAUTIONThis symbol refers to a hazard orunsafe practice which can resultin personal injury or product orproperty damage.If Necessary, Get HelpThese instructions are all you need for most installationsites and maintenance conditions. If you require help for aspecial problem, contact our sales/service outlet or yourcertified dealer for additional instructions.In Case of Improper InstallationThe manufacturer shall in no way be responsible forimproper installation or maintenance service, includingfailure to follow the instructions in this document.SPECIAL PRECAUTIONSWARNING When WiringELECTRICAL SHOCK CAN CAUSESEVERE PERSONAL INJURY OR DEATH.ONLY A QUALIFIED, EXPERIENCEDELECTRICIAN SHOULD ATTEMPT TOWIRE THIS SYSTEM.• Do not supply power to the unit until all wiring and tubingare completed or reconnected and checked.• Highly dangerous electrical voltages are used in this system.Carefully refer to the wiring diagram and these instructionswhen wiring. Improper connections and inadequategrounding can cause accidental injury or death.• Ground the unit following local electrical codes.• Connect all wiring tightly. Loose wiring may cause over-heating at connection points and a possible fire hazard.• To prevent possible hazards from insulation failure,the unit must be grounded.• This equipment is strongly recommended to be installedwith Earth Leakage Circuit Breaker (ELCB) or ResidualCurrent Device (RCD). Otherwise, it may cause electricalshock and fire in case of equipment breakdown orinsulation breakdown.When TransportingBe careful when picking up and moving the indoor andoutdoor units. Get a partner to help, and bend your kneeswhen lifting to reduce strain on your back. Sharp edges orthin aluminum fins on the air conditioner can cut yourfingers.When Installing…Select an installation location which is rigid and strongenough to support or hold the unit, and select a location foreasy maintenance.…In a RoomProperly insulate any tubing run inside a room to prevent“sweating” that can cause dripping and water damage towalls and floors.CAUTIONKeep the fire alarm and the airoutlet at least 5 feet (1.5 m) awayfrom the unit.…In Moist or Uneven LocationsUse a raised concrete pad or concrete blocks to provide asolid, level foundation for the outdoor unit. This preventswater damage and abnormal vibration.…In an Area with High WindsSecurely anchor the outdoor unit down with bolts and ametal frame. Provide a suitable air baffle.…In a Snowy Area (for Heat Pump-type Systems)Install the outdoor unit on a raised platform that is higherthan drifting snow. Provide snow vents.When Connecting Refrigerant Tubing• Pay particular attention to refrigerant leakages.• Ventilate the room immediately, in the event that isrefrigerant gas leaks during the installation. Be careful notto allow contact of the refrigerant gas with a flame as thiswill cause the generation of toxic gas.• Keep all tubing runs as short as possible.• Apply refrigerant lubricant to the matching surfaces of theflare and union tubes before connecting them, then tightenthe nut with a torque wrench for a leak-free connection.• Check carefully for leaks before starting the test run.WARNING• When performing piping work, do not mix airexcept for specified refrigerant (R410A) inrefrigeration cycle. It causes capacity down, andrisk of explosion and injury due to high tensioninside the refrigerant cycle.• If the refrigerant comes in contact with a flame,it produces a toxic gas.• Do not add or replace refrigerant other thanspecified type. It may cause product damage,burst and injury, etc.