Installation
Hardware Installation and Maintenance Manual 3
–11
The electrical power and the signal wiring for the SS2100i-1 analyzer is
connected through the conduit hub at the bottom of the electronics enclosure.
Protective chassis and ground connections
Before connecting any electrical signal or power, the protective and chassis
grounds must be connected. Requirements for the protective and chassis
grounds include the following:
• 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
• If the protective and chassis ground is insulated, it must use the
green/yellow color
• Protective grounding wire current carrying capacity must be at
minimum the same as the main supply
• Earth bonding/chassis ground shall be at least 4 mm
2
(12 AWG)
Refer to Figure 1–9 on page 1–13 and Figure 3–5 below for the protective and
chassis ground locations.
Certified compound barrier seal glands shall be used; cables used
shall comply with electrical code, standards, suitable for the
glands and meet the local regulations.
Use copper conductors only.
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