Endress+Hauser SpectraSensors J22 TDLAS, Руководство по эксплуатации

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J22 TDLAS Gas Analyzer Operating Instructions
Hauser 21
Fig 14. Support rail installation
10.
Insert washers and M8 nuts on the back side of the support rail.
11.
Torque bolts to 20.75 Nm (183.7 lb-in.).
4.4 Turning the display module
The display module can be turned to optimize readability and operability.
1.
Loosen the securing clamp of the connection compartment cover.
2.
Unscrew the connection compartment cover.
3.
Turn the display module to the desired position: max. 8 × 45° in every direction.
A0030035
Fig 15. Turning the display module
4.
Screw on the connection compartment cover.
5.
Fit the securing clamp of the connection compartment cover.
4.5 Protective chassis and ground connections
Before connecting any electrical signal or power, connect the protective and chassis grounds →  .
• Protective and chassis grounds must be of equal or greater size than any other current-carrying conductors,
including the heater located in the sample conditioning system
• Protective and chassis grounds to remain connected until all other wiring is removed
• Protective grounding wire current carrying capacity must be the same as the main supply, at a minimum
• Earth bonding/chassis ground shall be at least 6 mm
2
(10 AWG)
Protective ground cables
• Analyzer: 2.1 mm
2
(14 AWG)
• Enclosure: 6 mm
2
(10 AWG)
The grounding impedance must be less than 1
Ω .