Ametek Thermox CEM O2/TM, User Manual

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viii | Thermox CEM O2/TM
SPECIAl WARNINGS AND INFORMATION
No operator serviceable components inside any components of the CEM O2/TM system. Do not
remove the cover from any sensor or controller component. Refer servicing to qualified person-
nel.
The following applies to the Series 2000 Control unit and the CEM O2/TM Division 2 Models:
Power, input, and output (I/O) wiring must be in accordance with Class I, Division 2 wiring
methods [Article 501-4(b) of the National Electric Code, NFPA 70] and in accordance with the
authority having jurisdiction.
Explosion hazard - substitution of components may impair suitability for Class I, Division 2.
Explosion hazard - when in hazardous locations, turn off power before replacing or wiring
modules.
Explosion hazard - do not disconnect equipment unless power has been switched off or the area
is known to be nonhazardous.
This equipment is suitable for use in Class I, Division 2, Groups A, B, C, and D or nonhazard-
ous locations only.
The maximum ambient temperature for the Series 2000 control unit is 50°C (122°F)
The Series 2000 Control Unit with CEM O2/TM sensor is a complex piece of equipment that
should only be serviced by a qualified service technician with expertise in instrument technol-
ogy and electrical systems. AMETEK recommends that all equipment requiring service be sent
back to the factory. You should only attempt to repair or service this equipment after receiving
training from an AMETEK/P&AI Division training representative. If you decide to service this
equipment be aware that high voltages, high temperatures, and other potentially hazardous
conditions may arise.
NOTE
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