7-2. Installation Condition & Precautions
The installation conditions and precautions for each of the system components are described in this section.
7-2-1. Controller Installation
When installing the VS-12PB controller, the following conditions and precautions should be observed.
●Installation Site
The following conditions should be satisfied:
① Avoid sites where the unit is exposed to direct sunlight.
② The ambient temperature should never exceed a 0 - 55
°C range.
③ The ambient humidity should never exceed a 20 - 90% RH range.
④ Do not install the unit in areas where condensation is likely to occur
( high humidity with extreme temperature changes).
⑤ Avoid sites where dust is excessive.
⑥ Do not install in areas with an excessive amount of salt and / or metal chips.
⑦ Do not install in areas where flammable and / or corrosive gases are present.
⑧ Avoid areas where splashing water, oil, or chemicals is likely to occur.
⑨ Avoid areas where vibration and shooks are excessive.
●Installation Precautions
① The unit should firmly secured by 4 bolts.
② Noise prevention measures should be taken.
- Install as far as possible from high-voltage lines and power lines.
- Mount on a grounded metal plate.
●Installation Reference Diagram
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