YOKOGAWA ADMAG AXR - Page 181

<14. EXPLOSION PROTECTED TYPE INSTRUMENT>
14-2
IM 01E30D01-01EN
Enclosure: IP66/IP67
Process Temperature:
Maximum Surface
Temperature
Maximum Process
Temperature
Minimum Process
Temperature
T90°C (+194°F) +70°C (+158°F) –30°C (–22°F)
T110°C (+230°F) +85°C (+185°F) –30°C (–22°F)
T130°C (+266°F) +130°C (+266°F) –30°C (–22°F)
Ambient Temp.: –30°C to +55°C
(–22°F to +131°F)
WARNING
IftheAXRismountedinanareawheretheuseof
EPL Db equipment is required, it shall be installed
in such a way that the risk from electrostatic
discharges and propagating brush discharges
causedbyrapidowofdustisavoided.
(2) Electrical Connection
The type of electrical connection is stamped near
the electrical connection port according to the
following codes.
ISO M20x1.5 female M
ANSI 1/2NPT female N
F1401.ai
Screw Size Marking
(3) Installation
WARNING
• Groundingresistanceof100Ωorlessis
necessary.
When optional code A is selected, grounding
resistanceof10Ωorlessshallberequired.
• All wiring shall comply with EN 60079-14, and local
installation requirements and local electrical code.
• Inhazardouslocations,thecableentry
devicesshallbeofacertiedATEX
ameprooftype,suitablefortheconditionsof
use and correctly installed.
• Unused apertures shall be closed with suitable
ameproofcertiedblankingelements.(The
plugattachedisameproofcertied.)
• Inordertopreventthegroundingring
conductor from loosening, the conductor
must be secured to the terminal, tightening
the screw with appropriate torque. Care must
be taken not to twist the conductor.
The grounding terminals are located on the inside
and outside of the terminal area.
Connect the cable to grounding terminal in
accordance with wiring procedure 1) or 2).
F1402.ai
1) Internal grounding
terminal
2)
External grounding
terminal
Figure 14.1 Wiring Procedure for Grounding
Terminals
(4) Operation
WARNING
• Afterde-energizing,delay5minutesbefore
opening.
• Takecarenottogeneratemechanical
spark when access to the instrument and
peripheral devices in hazardous locations.
(5) Maintenance and Repair
WARNING
Only personnel authorized by Yokogawa Electric
Corporation can repair the equipment.
WARNING
• Electrostaticchargemaycauseanexplosion
hazard. Avoid any actions that cause the
generation of electrostatic charge, such as
rubbing with a dry cloth on coating face of
product.
• Modicationoftheameproofjointisnot
allowed.