Mitsubishi FR - S500 instruction manual This section is specifically about safety matters

Thank you for choosing this Mitsubishi Transistorized inverter.

This instruction manual (detailed) provides instructions for advanced use of the FR-S500 series inverters.

Incorrect handling might cause an unexpected fault. Before using the inverter, always read this instruction manual and the instruction manual (basic) [IB-0600026] packed with the product carefully to use the equipment to its optimum.

This instruction manual uses the International System of Units (SI). The measuring units in the yard and pound system are indicated in parentheses as reference values.

This section is specifically about safety matters

Do not attempt to install, operate, maintain or inspect the inverter until you have read through the instruction manual (basic) and appended documents carefully and can use the equipment correctly. Do not use the inverter until you have a full knowledge of the equipment, safety information and instructions.

In this instruction manual, the safety instruction levels are classified into "WARNING" and "CAUTION".

WARNING	Assumes that incorrect handling may cause hazardous
	conditions, resulting in death or severe injury.
	Assumes that incorrect handling may cause hazardous
CAUTION
	conditions, resulting in medium or slight injury, or may
	cause physical damage only.

Note that even the CAUTION level may lead to a serious consequence according to conditions. Please follow the instructions of both levels because they are important to personnel safety.

1. Electric Shock Prevention

WARNING

While power is on or when the inverter is running, do not open the front cover. You may get an electric shock.

Do not run the inverter with the front cover removed. Otherwise, you may access

the exposed high-voltage terminals or the charging part of the circuitry and get an electric shock.

If power is off, do not remove the front cover except for wiring or periodic inspection. You may access the charged inverter circuits and get an electric shock.

Before starting wiring or inspection, check for residual voltages with a meter etc. more than 10 minutes after power-off.

Earth the inverter.

Any person who is involved in wiring or inspection of this equipment should be fully competent to do the work.

Always install the inverter before wiring. Otherwise, you may get an electric shock or be injured.

Perform setting dial and key operations with dry hands to prevent an electric shock.

Do not subject the cables to scratches, excessive stress, heavy loads or pinching. Otherwise, you may get an electric shock.

Do not change the cooling fan while power is on.

It is dangerous to change the cooling fan while power is on.

When you have removed the front cover, do not touch the connector above the 3-digit monitor LED display. You will get an electric shock.

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