Panasonic U-8MF2E8 Service Manual

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Contents

Panasonic U-8MF2E8 Service Manual Manual pdf 2 page image

iiIMPORTANT!Please Read Before StartingThis air conditioning system meets strict safety andoperating standards. As the installer or service person,it is an 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.Observe all local, state, and national electrical codes.This product is intended for professional use.Permission from the power supplier is required wheninstalling the U-8MF2E8 outdoor unit that is connectedto a 16 A distribution network.This equipment complies with EN/IEC 61000-3-12provided that the short-circuit power Ssc is greater thanor equals to the values corresponding to each model asshown in the table below at the interface point betweenthe user’s supply and the public system.It is the responsibility of the installer or user of theequipment to ensure; by consultation with the distributionnetwork operator if necessary that the equipment isconnected only to supply with a short-circuit power Sscgreater than or equals to the values corresponding toeach model as shown in the table below.U-10MF2E8 U-12MF2E8 U-14MF2E8 U-16MF2E8Ssc 1,150 kVA 3,800 kVA 5,200 kVA 5,900 kVAThis equipment complies with EN/IEC 61000-3-11provided that the system impedance Zmax is less thanor equal to the values corresponding to each model asshown in the table below at the interface point betweenthe user’s supply and the public system. Consult withthe supply authority for the system impedance Zmax.U-10MF2E8 U-12MF2E8 U-14MF2E8 U-16MF2E8Zmax — 0.180 Ω 0.180 Ω 0.180 ΩPay close attention to all warning and caution noticesgiven in this manual.WARNINGThis symbol refers to a hazard or unsafepractice which can result in severepersonal injury or death.CAUTIONThis symbol refers to a hazard or unsafepractice which can result in personalinjury or product or property 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.• Connect all wiring tightly. Loose wiring may causeoverheating at connection points and a possible fire hazard.• Provide a power outlet to be used exclusively for eachunit.• ELCB must be incorporated in the fixed wiring.Circuit breaker must be incorporated in the fixed wiringin accordance with the wiring regulations.U-8MF2E8 U-10MF2E8 U-12MF2E8Circuit breaker 25 A 25 A 35 AU-14MF2E8 U-16MF2E8Circuit breaker 40 A 50 A• Provide a power outlet exclusively for each unit, andfull disconnection means having a contact separationin all poles must be incorporated in the fixed wiring inaccordance with the wiring rules.• To prevent possible hazards from insulation failure,the unit must be grounded.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 your fingers.When Installing…Select an installation location which is rigid and strongenough to support or hold the unit, and select a locationfor easy maintenance.…In a RoomProperly insulate any tubing run inside a room to prevent“sweating” that can cause dripping and water damage towalls and floors.CAUTION Keep the fire alarm and the air outlet atleast 1.5 m away from the unit.…In Moist or Uneven LocationsUse a raised concrete pad or concrete blocks to providea solid, level foundation for the outdoor unit. This preventswater damage and abnormal vibration.