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B.5 Mounting LCD/Keypad Module
B.5.1 Installation Guidelines
When possible, following these guidelines when mounting the LCD/keypad module.
1. Leave sufficient ventilation space
2. Do not install the LCD/keypad module directly above machinery that radiates a lot of
heat (for example, heaters, transformers, and high-power resistors).
3. Leave at least 8" (20 cm) distance from electric power lines and even more from high-
voltage devices.
4. When installing the LCD/keypad module near devices with strong electrical or mag-
netic fields (such as solenoids), allow a least 3" (8 cm), more if necessary.
The LCD/keypad module has strong environmental resistance and high reliability, but you
can maximize system reliability by avoiding or eliminating the following conditions at the
installation site.
? Abrupt temperature changes and condensation
? Ambient temperatures exceeding a range of 0°C to 50°C
? Relative humidity exceeding a range of 5% to 95%
? Strong magnetism or high voltage
? Corrosive gases
? Direct vibration or shock
? Excessive iron dust or salt
? Spray from harsh chemicals
136
Smart Star (SR9000)
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