Figure 3-2: External ground lug
A. External ground lug
3.4
Conduit seals
Daniel 3818 LNG Liquid Ultrasonic Meters require conduit seals for installations in
hazardous environments. Adhere to safety instructions to protect personnel and
equipment.
WARNING
HAZARDOUS VOLTAGE INSIDE
Do not open the Transmitter Electronics Enclosure when an explosive gas atmosphere is
present. Disconnect equipment from supply circuit before opening.
Failure to remove power may result in death or serious injury.
WARNING
EXPLOSION HAZARD
Substitution of components may impair intrinsic safety. Do not disconnect equipment
unless power has been removed or the area is known to be nonhazardous.
Failure to comply may result in death or serious injury.
3.4.1
Startup for systems using explosion-proof conduit
Procedure
1. Assemble conduit to the Transmitter Electronics Enclosure. A conduit seal is
required within 18 inches (457 mm) of the enclosure.
2. Check to make certain that all power to field wiring is turned
OFF
.
Installation manual
Electrical Installation
3-9000-771
May 2019
Installation manual
43
Summary of Contents for Daniel 3818
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Page 10: ...Contents Installation manual May 2019 3 9000 771 x 3818 LNG Liquid Ultrasonic Meter ...
Page 26: ...Introduction Installation manual May 2019 3 9000 771 26 3818 LNG Liquid Ultrasonic Meter ...
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