Endress+Hauser SS2000, Инструкция по безопасности

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TDLAS Gas Analyzer XA02744C
Hauser 37
Opening/Closing the Analyzer Enclosure
Protective Chassis and Ground Connections
To protect personnel and equipment, connect the protective and chassis
grounds first before connecting any electrical signal or power. Requirements
for the protective and chassis grounds are listed below:
• The protective and chassis grounds and heater wire must be a mini -
mum of 1.5 mm

(14 awg), equal or greater size than any other cur -
rent-carrying conductors located in the sample conditioning system
(SCS).
• The protective and chassis grounds must remain connected until all
other wiring is removed.
• If the protective and chassis ground is insulated, it must use the green/
yellow color.
Electrical Wiring Requirements
External Circuit Breaker Requirements
It is critical to mount the analyzer so that the inlet and outlet
lines reach the inlet and outlet connections on the chassis
while still maintaining flexibility so that the sample lines are
not under excessive stress.
Hauser gas analyzers are designed for operation
within the specified ambient temperature range of -20 °C to
50 °C (-4 °F to 122 °F). Intense sun exposure in some areas
may cause the gas analyzer temperature to exceed the
maximum.
Hazardous voltage and risk of electric shock. Failure to
properly ground the analyzer may create a high-voltage
shock hazard.
Interconnection of the analyzer enclosure and cell enclosure
shall be performed using wiring methods approved for Class
I, Division 2 or Zone 2 hazardous locations per the Canadian
Electrical Code (CEC) Appendix B or J and Article 18. Zone 2
is -150 and the National Electric Code (NEC) Article 501 or
505. The installer is responsible for complying with all local
installation codes.
An approved switch or circuit breaker rated for 15 amp should
be used and clearly marked as a disconnecting device for the
analyzer. The switch or circuit beaker shall not interrupt a
protective earth conductor.