Introduction; Safety Cautions - Daikin 2MKS40G2V1B Service Manual

SiBE12-816_D

1. Introduction

1.1

Safety Cautions

Cautions and
Warnings
1.1.1 Cautions Regarding Safety of Workers
Be sure to disconnect the power cable plug from the plug socket before
disassembling the equipment for repair.
Working on the equipment that is connected to the power supply may cause an
electrical shock.
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 is discharged during the repair work, do not touch the
discharged refrigerant gas.
The refrigerant gas may cause frostbite.
When disconnecting the suction or discharge pipe of the compressor at the
welded section, evacuate 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 may cause injury.
If the refrigerant gas leaks during the repair work, ventilate the area. The refrigerant
gas may 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 may 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 may
cause an electrical shock or fire.
Be sure to read the following safety cautions before conducting repair work.
The caution items are classified into "
items are especially important since they can lead to death or serious injury if they are not
followed closely. The "
conditions if they are not followed. Therefore, be sure to observe all the safety caution items
described below.
About the pictograms
This symbol indicates the item for which caution must be exercised.
The pictogram shows the item to which attention must be paid.
This symbol indicates the prohibited action.
The prohibited item or action is shown in the illustration or near the symbol.
This symbol indicates the action that must be taken, or the instruction.
The instruction is shown in the illustration 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.
Warning" and "
Caution" items can also lead to serious accidents under some
Warning
Introduction
Caution". The " Warning"
vi