Ametek Drexelbrook Universal IV CM, Installation And Operating Instructions Manual

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Hazardous Locations
57
6.1.3 Electrical connection
WARNING! Read the following information carefully.
• Live Maintenance should only be carried out by Skilled Personnel trained in
explosion protection methods.
• Test Equipment used to perform “Live Maintenance” must be certified to use
in the associated hazardous area.
Intrinsically Safe Installations
When the Universal IV CM Density System is installed as an intrinsically safe
device per the agency control drawings, the housing cover may be safely opened.
For system configuration, remove the view port housing cover to access the display
keypad for local system configuration.
Explosionproof or Flameproof Installations
No Live maintenance is permitted.
Disconnect power to the device and check that the atmosphere is clear of hazardous
substances.
6.1.4 Commissioning
Start-up checklist
Do not connect power until you have gone through the checklist below
1. Are the wetted components (gasket, flange and sensing element) resistant to
the corrosive properties of the tank product?
2. Does the information given on the nameplate correspond with the application?
3. Ex d applications: Have you connected the equipotential bonding system
correctly?
4. Ex i applications: Are you using an intrinsic barrier within the correct parameters?
5. Did you install cable entries of the correct internal diameter so that there is
a good seal around the cable? Are the cable glands suitably certified per the
application and the hazardous area parameters?
6. Do not use the earth terminal in the wiring compartment: use the equipotential
bonding system.
6.2 The Compartment Cover
Viewport Cleaning: The viewport is made of Borosilicate glass and can be cleaned
with any common glass cleaning product (e.g.: Windex™, Isopropyl alcohol, etc.)
that is suitable for the Class and Division rating of the specific system installation.