1–1
T-340
SECTION 1
SAFETY SUMMARY
1.1 General Safety Notices
The 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 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.
1.2 First Aid
An injury, no matter how slight, should never go unattended. Always obtain first aid or medical attention immediately.
1.3 Operating Precautions
Always wear safety glasses.
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 start-stop switches are turned off, and power
supply is disconnected.
In case of severe vibration or unusual noise, stop the unit and investigate.
1.4 Maintenance Precautions
Beware of unannounced starting of the evaporator and condenser fans. Do not open the condenser fan grille or
evaporator access panels before turning power off, disconnecting and securing the power plug.
Be sure power is turned off before working on motors, controllers, solenoid valves and electrical control switches.
Tag 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. 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 mod
-
ules in control boxes. 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
2
(never use water).
1.5 Specific Hazard 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 - an immediate hazard that WILL result in severe personal injury or death.
WARNING - to warn against hazards or unsafe conditions that COULD result in severe personal injury or death.
CAUTION - to warn against potential hazard or unsafe practice that could result in personal injury, product or prop
-
erty 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.
WARNING
!
EXPLOSION HAZARD: Failure to follow this WARNING can result in death, serious personal
injury and / or property damage. Never use air or gas mixtures containing oxygen (O
2
) for leak
testing or operating the product. Charge Only With R-134a: Refrigerant must conform to AHRI
Standard 700 specification.
Содержание Transicold 69NT40-561-001
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Страница 163: ...8 3 T 340 Figure 8 2 Schematic Diagram for Standard Unit Configuration Based on Drawing 62 11271 Rev A...
Страница 169: ...8 9 T 340 Figure 8 8 Schematic and Diagram for Lower Vent Position Sensor VPS Option...
Страница 170: ...T 340 8 10 Figure 8 9 Unit Wiring Diagram for Standard Unit Configuration With 3 Phase Condenser Fan Motors...
Страница 172: ...T 340 8 12 Figure 8 10 Unit Wiring Diagram for Single Phase Condenser Fan Motor and Optional Heater...
Страница 173: ...8 13 T 340 Unit Wiring Diagram for Single Phase Condenser Fan Motor and Optional Heater Based on Drawing 62 66721...
Страница 174: ...T 340 8 14 Figure 8 11 Unit Wiring Diagram for Configuration With eAutoFresh and Emergency Bypass Options...
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