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2.
Installation Precautions
2-1.
Installation environment
To ensure safety and prevent possible malfunctions, install the unit in a location that meets
the following requirements.
• A location that is not exposed to extremely high or low temperatures and not exposed to
extremely high or low humidity.
• A location that is not exposed to extreme changes in temperature or humidity.
• A location that is not exposed to direct sunlight.
• A location out of the direct airflow of an air conditioner, heater or ventilation opening.
• A well-ventilated location that is not extremely dusty.
• A stable and level location that is not subjected to undue vibrations.
• A location that is not near room heaters or any other heat-generating appliances.
• A location away from volatile, combustible material (such as paint thinner or gasoline).
• A location that is not exposed to water or other liquids and where a short circuit of the
unit is not likely.
• A location that does not put people in the direct airflow of exhaust from the unit.
• A location where ammonia gases are not generated.
2-2.
Installation power supply
• If other electrical equipment are plugged into the same electrical outlet, make sure that
the current capacity is not exceeded.
• Use a power source with as little voltage fluctuations as possible.
• Only use an outlet expander or a table tap; never use extension cords.
• Be careful that the unit does not pinch or is not placed on top of power or transmission
cords of other electrical equipment.
• Periodically check that the following conditions are met:
The power supply plug does not feel unusually warm.
The power supply cord is free of cracks and scratches.
The power supply plug is securely inserted into the electrical outlet.
Pressure is not applied to the power supply cord.
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Troubleshooting
