Ametek Thermox WDG Insitu User Manual page 8

SPECIAL WARNINGS AND INFORMATION
No operator serviceable components inside any components of the WDG system.
Do not remove the cover from any WDG component. Refer servicing to qualified
personnel.
This equipment is suitable for use in Class I, Division 2, Groups A, B, C, and D or
nonhazardous locations only.
The following applies to the Series 2000 Control unit and the WDG-Insitu Divi-
sion 2 Models:
Power, input, and output (I/O) wiring must be in accordance with Class I, Di-
vision 2 wiring methods [Article 501-4(b) of the National Electric Code, NFPA
70] and in accordance with the authority having jurisdiction.

NOTE
The maximum ambient temperature for the Series 2000 control unit is 50°C
(122°F)
The Series 2000 Control Unit with WDG-Insitu sensor is a complex piece of equip-
ment that should only be serviced by a qualified service technician with expertise
in instrument technology 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.
viii | Thermox Series 2000 WDG Insitu
Warning - explosion hazard - substitution of components may impair suitabil-
ity for Class I, Division 2.
Warning - explosion hazard - when in hazardous locations, turn off power
before replacing or wiring modules.
Warning - explosion hazard - do not disconnect equipment unless power has
been switched off or the area is known to be nonhazardous.
For the Division 2 Insitu Option, the Division 2 classification applies only
to the enclosure side, and does not apply where the probe is inserted into the
process.