Eaton YHH30B Series Instruction Manual

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8Installation instructions for Y HH30B CCTV camera stationEnglish EATON TM378 ISSUE A JUly 2020 www.eaton.com3.5 System connectionpower inputThe picture above is the 110~240V a.c. / 24V a.c. wiring method. POE power supply,please directly connect the network cable to the input end of the built-in POE receiving device.Figure 4.3.0 Installation and service3.1 Safety cautionsCheck the following items before installation:a. whether certification number is indicated;b. check the Ex marking to confirm it is suitable for thehazardous area applicationc. ensure all the components are not damaged and with nodefect that may affect the explosion-proof performance;d. whether the internal and external grounding are wellconnected.3.2 Cable treatmentTo maintain the certification requirement of the units all cables/conduits must be fitted at the entry, with certified Exd flameproof,compound filled barrier glands, suitable for the application IP68.Use cables of rated temperature above 75°C and wires of ratedtemperature above 90°C.3.3 Fiber optic cable processingThis product does not provide an output cable. Users using theoptical signal output version, please weld the incoming fiber andthe fiber jumper provided by our company with a fiber fusionsplicer. The welding place needs to be protected by a fiberprotection tube and placed in the fiber protection bracket . Asshown below.Figure 3.The insulation-fiber-removed optical fiber placed in the optical fiberprotection bracket needs to be protected by an insulation sleeve toprevent light leakage.3.4 Installation of protective shield and cylinderSince this Ex camera set has high grade of protection level andthe flame proof surfaces are tightly contacted, pay attention toprotect the flame proof joint in installation. The rear cover and rearpart of the cylinder are flame proof surface, no knock or scratchallowed. For the camera “ DO NOT OPEN WHEN ENERGIZED!”An insulation gasket is adopted between the drawer plate and rearcover plate of the rear cover assembly, measure the insulationperformance in cases of disassembling, the measured value shallbe no less than 100MΩ. There is a grounding bolt mounted on themiddle of the rear cover, it shall be well grounded in installation.