Installation, Operation, and Maintenance Manual

Introduction and Safety

CAUTION:

You must observe the instructions contained in this manual. Failure to do so could result in physical injury, damage, or delays.

Safety terminology and symbols

About safety messages

It is extremely important that you read, understand, and follow the safety messages and regulations carefully before handling the product. They are published to help prevent these hazards:

• Personal accidents and health problems

• Damage to the product

• Product malfunction

Hazard levels

Hazard level

DANGER:

Indication

A hazardous situation which, if not avoided, will result in death or serious injury

WARNING:

A hazardous situation which, if not avoided, could result in death or serious injury

CAUTION:

A hazardous situation which, if not avoided, could result in minor or moderate injury

NOTICE:

• A potential situation which, if not avoided, could result in undesirable conditions

• A practice not related to personal injury

Hazard categories

Hazard categories can either fall under hazard levels or let specific symbols replace the ordinary hazard level symbols.

Electrical hazards are indicated by the following specific symbol:

Electrical Hazard:

The Ex symbol

These are examples of other categories that can occur. They fall under the ordinary hazard levels and may use complementing symbols:

• Crush hazard

• Cutting hazard

• Arc flash hazard

The Ex symbol indicates safety regulations for Ex-approved products when used in atmospheres that are potentially explosive or flammable.

4 Model 3408 Installation, Operation, and Maintenance Manual