Carrier 69NT40-541-306 Operation And Service
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1–1 T-354SECTION 1SAFETY SUMMARY1.1 GENERAL SAFETY NOTICESThe following general safety notices supplement specific warnings and cautions appearing elsewhere in this man-ual. They are recommended precautions that must be understood and applied during operation and maintenanceof 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 cautionsappearing elsewhere in the manual follows the general safety notices.1.2 FIRST AIDAn injury, no matter how slight, should never go unattended. Always obtain first aid or medical attention immediately.1.3 OPERATING PRECAUTIONSAlways wear safety glasses.Keep hands, clothing and tools clear of the evaporator and gas cooler fans.No work should be performed on the unit until all circuit breakers and start-stop switches are turned off, power sup-ply is disconnected, and Lock Out / Tag Out has been applied.Always work in pairs. Never work on the equipment alone.In case of severe vibration or unusual noise, stop the unit and investigate.1.4 MAINTENANCE PRECAUTIONSThe Carrier NaturaLINE unit requires the same training and certifications that are required for servicing a conven-tional refrigeration unit and it is expected that maintenance will only be performed by qualified personnel.Beware of unannounced starting of the evaporator and gas cooler fans. Do not open the gas cooler fan grille orevaporator access panels before turning power off, disconnecting and securing the power plug and performing theLock Out / Tag Out procedure at the end if the Safety Summary.Be sure power is turned off before working on motors, controllers, solenoid valves and electrical control switches.Lock Out / Tag Out the circuit breaker and power supply 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. Problemswith 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 mod-ules in control boxes. Do not remove wire harness from the modules unless you are grounded to the unit framewith a static safe wrist strap.In case of electrical fire, open circuit switch and extinguish with CO 2 (never use water).1.5 SPECIFIC WARNING AND CAUTION STATEMENTSTo help identify the label hazards on the unit and explain the level of awareness each one carries, an explanation isgiven with the appropriate consequences:DANGER!DANGER - means an immediate hazard that WILL result in severe personal injury or death.WARNING!WARNING - means to warn against hazards or unsafe conditions that COULD result in severepersonal injury or death. |
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