Daikin RQYQ140-180PY1 Service Manual

Also see for VRV III-Q RQCEQ360PY1: Operation manual Operation manual Installation manual

Contents

Daikin RQYQ140-180PY1 Service Manual Manual pdf 5 page image

SiBE341001 Introductioniv1. Introduction1.1 Safety CautionsCautions andWarnings Be sure to read the following safety cautions before conducting repair work. The caution items are classified into “ Warning” and “ Caution”. The “ Warning”items are especially important since they can lead to death or serious injury if they are notfollowed closely. The “ Caution” items can also lead to serious accidents under someconditions if they are not followed. Therefore, be sure to observe all the safety caution itemsdescribed below. About the pictogramsThis symbol indicates an item for which caution must be exercised.The pictogram shows the item to which attention must be paid.This symbol indicates a prohibited action.The prohibited item or action is shown inside or near the symbol.This symbol indicates an action that must be taken, or an instruction.The instruction is shown inside or near the symbol. After the repair work is complete, be sure to conduct a test operation to ensure that theequipment operates normally, and explain the cautions for operating the product to thecustomer1.1.1 Caution in RepairWarningBe sure to disconnect the power cable plug from the plug socket beforedisassembling the equipment for a repair.Working on the equipment that is connected to a power supply can cause anelectrical shook.If it is necessary to supply power to the equipment to conduct the repair orinspecting the circuits, do not touch any electrically charged sections of theequipment.If the refrigerant gas discharges during the repair work, do not touch thedischarging refrigerant gas.The refrigerant gas can cause frostbite.When disconnecting the suction or discharge pipe of the compressor at thewelded section, release the refrigerant gas completely at a well-ventilatedplace first.If there is a gas remaining inside the compressor, the refrigerant gas orrefrigerating machine oil discharges when the pipe is disconnected, and it cancause injury.If the refrigerant gas leaks during the repair work, ventilate the area. Therefrigerant gas can generate toxic gases when it contacts flames.The step-up capacitor supplies high-voltage electricity to the electricalcomponents of the outdoor unit.Be sure to discharge the capacitor completely before conducting repair work.A charged capacitor can cause an electrical shock.Do not start or stop the air conditioner operation by plugging or unplugging thepower cable plug.Plugging or unplugging the power cable plug to operate the equipment cancause an electrical shock or fire.