
STP-200/300/400 Series Instruction Manual
4.2 Precautions Before Installation
4.2.1 Operating Environment
Install the STP control unit in a place meeting the following requirements:
Ambient Temperature 0 °C to 40 °C
Ambient Relative Humidity
30 to 95% (no dew condensing)
Environment
•
A place free of exposure to direct sunlight.
•
A place free of high humidity.
•
A place free of dust.
•
A place free of salty air.
•
A place free of dripping water.
•
A place free of explosive or inflammable gas.
•
A place free of corrosive gas.
•
A place free of radiation.
•
A place free of strong magnetic and electric fields.
•
A place free of excessive vibration.
•
A place free of a source of electric noise.
Installation Condition
•
Install the STP control unit horizontally
(within
±
10
°
C).
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