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1.3 Operating Environment
This section explains the operating environment for the GL400/350.
Ambient Operating Conditions
(1) Ambient temperature and humidity (the GL400/350 must be operated within the following
ranges.)
• Temperature range: 0 to 40°C
• Humidity range: 30 to 80% RH
(2) Environment (do not use in the following locations.)
• Locations in direct sunlight or with high humidity, such as near heaters
• Locations exposed to salty air, corrosive gases, or organic solvents
• Dusty locations
• Locations subject to vibration or impact
• Locations subject to voltage surge or electromagnetic interference such as lightning or
electric furnaces
(3) Installation category (over-voltage category)
• The GL400/350 conforms to the IEC664 installation category 1
CHECKPOINT
If condensation occurs...
Condensation occurs in the form of water droplets on the device surfaces and interior when the GL400/
350 is moved from a cold to a warm location. Using the GL400/350 with condensation will cause
malfunctioning. Wait until the condensation has disappeared before turning on the power.
Warming-up Before Use
The GL400/350 should be allowed to warm up with the power turned on for approximately 30
minutes to ensure that it operates according to the specified performance.
Configuration When in Use
Do not use the GL400/300 standing upright or at an angle. It must always be laid flat.
Usage Configuration
CAUTION
Do not block the air vent on the GL400/350, as this will cause malfunctioning.
GL400
General Description
GL350
1-3
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