7.5 Installation Inspection
Prior to system start-up or trouble shooting, the entire system should be visually inspected. The following are guidelines for
that inspection.
7.5.1 Controller Installation
• Controller installed in conformance to instruction manual recommendations.
• AC power is correctly grounded.
• Hot AC and relay connections have safety covers installed.
7.5.2 Cabling Installation
• All splices are soldered or via terminal block.
• Cabling is away from sources of electrical noise or RFI where possible.
7.5.3 Sensor Module Installation
• Module installation in conformance with this manual.
• Modules accessible for calibration.
• Wiring terminations clean and correct.
7.5.4 Moisture Traps and Rainshields
• Conduit seals and drains installed to avoid moisture build up in electronics enclosure. Water accumulation in sensor
module enclosures is a major cause of damage and system failures - take precautions to seal electrical conduits and
provide moisture traps and drains to avoid water damage.
• Model 5311-02 rain shield is recommended for installation in wet areas.
7.5.5 Standard Voltages
• Regulated DC voltage to be applied to the sensor module must be between 10 VDC and 30 VDC.
7.6 Inspection and Troubleshooting Guide
The inspection and troubleshooting guide can be used to step through the system startup and to determine the appropriate
corrective action if a fault occurs.
SMC 5100-XX-IT Toxic Gas Detector Module 37
US 7 Service
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