Daikin RMX140JZVMB [8/344] Introduction

SiE18-201 Introduction

vii

1. Introduction

1.1 Safety Cautions

Cautions and

Warnings



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 not

followed closely. The “

Caution

” items can also lead to serious accidents under some

conditions if they are not followed. Therefore, be sure to observe all the safety caution items

described below.



About the pictograms

This 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 the

equipment operates normally, and explain the cautions for operating the product to the

customer.

1.1.1 Cautions in Repair

Warning

Be sure to disconnect the power cable plug from the plug socket before

disassembling the equipment for a repair.

Working on the equipment that is connected to a power supply can cause an

electrical shook.

If it is necessary to supply power to the equipment to conduct the repair or

inspecting the circuits, do not touch any electrically charged sections of the

equipment.

If the refrigerant gas discharges during the repair work, do not touch the

discharging refrigerant gas.

The refrigerant gas can cause frostbite.

When disconnecting the suction or discharge pipe of the compressor at the

welded section, release the refrigerant gas completely at a well-ventilated

place first.

If there is a gas remaining inside the compressor, the refrigerant gas or

refrigerating machine oil discharges when the pipe is disconnected, and it can

cause injury.

If the refrigerant gas leaks during the repair work, ventilate the area. The

refrigerant gas can generate toxic gases when it contacts flames.

The step-up capacitor supplies high-voltage electricity to the electrical

components 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 the

power cable plug.

Plugging or unplugging the power cable plug to operate the equipment can

cause an electrical shock or fire.

Daikin RMX140JZVMB [8/344] Introduction

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