First Aid; Operating Precautions; Maintenance Precautions; Specific Warning And Caution Statements - Carrier 40 Operation & Service Manual

GENERAL SAFETY NOTICES
The following general safety notices supplement the specific warnings and cautions appearing elsewhere in this
manual. They are recommended precautions that must be understood and applied during operation and maintenance
of the equipment covered herein. The general safety notices are presented in the following three sections labeled:
First Aid, Operating Precautions and Maintenance Precautions. A listing of the specific warnings and cautions
appearing elsewhere in the manual follows the general safety notices.

FIRST AID

An injury, no matter how slight, should never go unattended. Always obtain first aid or medical attention immediately.

OPERATING PRECAUTIONS

Always wear safety glasses. Wear hearing protection as required.
Keep hands, clothing and tools clear of the evaporator and condenser fans.
No work should be performed on the unit until all circuit breakers and the Emergency Switch are turned off, and battery
power supply is disconnected.
Always work in pairs. Never work on the equipment alone.
In case of severe vibration or unusual noise, stop the unit and investigate.

MAINTENANCE PRECAUTIONS

Beware of unannounced starting of the unit. This unit is equipped with Auto--Start in both the road and standby modes.
The unit may start at any time. When performing any check of the system make certain the Emergency Switch is in the
OFF position.
Be sure power is turned off before working on motors, controllers, solenoid valves and electrical control switches. Tag
circuit breaker and vehicle ignition to prevent accidental energizing of circuit.
Do not bypass any electrical safety devices, e.g. bridging an overload, or using any sort of jumper wires. Problems with
the system should be diagnosed, and any necessary repairs performed, by qualified service personnel.
When performing any arc welding on the unit or container, disconnect all wire harness connectors from the
microprocessor. Do not remove wire harness from the modules unless you are grounded to the unit frame with a static
safe wrist strap.
In case of electrical fire, open circuit switch and extinguish with CO

SPECIFIC WARNING AND CAUTION STATEMENTS

To help identify the label hazards on the unit and explain the level of awareness each one carries, an explanation is
given with the appropriate consequences:
DANGER -- means an immediate hazard which WILL result in severe personal injury or death.
WARNING -- means to warn against hazards or unsafe conditions which COULD result in severe personal injury or
death.
CAUTION -- means to warn against potential hazard or unsafe practice which could result in minor personal injury,
product or property damage.
The statements listed below are applicable to the refrigeration unit and appear elsewhere in this manual. These
recommended precautions must be understood and applied during operation and maintenance of the equipment
covered herein.
Beware of unannounced starting of the unit. The unit may cycle the fans and operating compressor
unexpectedly as control requirements dictate.
Do not attempt to connect or remove power plug before ensuring the unit is OFF (press OFF key on
Cab Command) and external power circuit breaker is open.
Make sure the power plug is clean and dry before connecting to any power source
Beware of unannounced starting of the unit. The unit may cycle the fans and operating compressor
unexpectedly as control requirements dictate. To ensure unit will not start, place the EMERGENCY

SAFETY SUMMARY

(never use water).
2
WARNING
WARNING
WARNING
WARNING
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