PT495 Series Detector
(Ultra1000)
Rev 5.11
3
IMPORTANT
Be sure to read and understand this instruction manual before installing,
operating or servicing the gas detection equipment.
WARNING
•
Do not open the sensor enclosure with power applied unless it is verified that
no combustible gases or vapors are present. Calibration or maintenance
should not be performed if there is any indication of the presence of
combustible gas near the sensor.
•
If anytime an intrusive sensor calibration procedure has to be performed then
de-classify the area before opening the sensor junction box.
•
The sintered flame arrestor on the stainless steel sensor head is an integral
part of the complete sensor assembly. Do not operate the gas sensor with the
flame arrestor removed or damaged.
•
The detector muse be earthed / grounded for the electrical safety. A safety
lug on the right side of the enclosure is provided for grounding.
CAUTION
•
If needed the enclosure threads may be coated with silicone free grease.
Silicone based lubricants must never be used.
•
Follow the wiring instruction for proper and safe operation under normal
conditions. Be sure that all wiring complies with NEC and all local ordinances.
