
HI 6020IT-SSX-Y-EX and HI 6020JB-SSX-Y-EX User Guide
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Power Rating
Power must be supplied to the summing box through approved intrinsically safe barriers per control
drawing 0594-0011 (HI 6020JB) or 0594-0012 (HI 6020IT)
HI 6020IT: 5 VDC, Class 2, max. 50 mA
HI 6020JB: 5 VDC, Class 2, max. 50 mA
Housing Torque Specification
Enclosure Bolt Torque Specification: 50-55 in/lb
Additional Instruction: Be sure to lubricate (oil) the screw threads to prevent galling of the screw and
enclosure screw flange threads.
Warranty
Two-year warranty against defects in workmanship
Approvals:
•
•
ATEX:
II 1 G Ex ia IIC T4 Ga
Certificate No. DEMKO 17 ATEX 1819
•
IECEx:
Ex ia IIC T4 Ga
Certificate No. IECEx UL 17.0009
•
Zone 0 Hazardous Area
See control drawing 0594-0011 (HI 6020JB) or 0594-0012 (HI 6020IT) for specific installation
instructions
Notes:
•
Any tampering with the equipment by anyone, other than repair work done by authorized Hardy
service provider, will result in the loss of EX conformity and in the forfeiture of all claims under the
manufacturer's warranty.
•
Check the EX approval marking (particularly the group for gases/dusts and temperature class/code)
on all equipment in the hazardous area before operation to ensure that this approved equipment is
permitted to be operated in this area.
•
The equipment must be powered by a suitable certified/approved power supply or battery pack with
intrinsically safe circuits as described in the certificate of this equipment.
•
Avoid generating static electricity. Use only a damp cloth to wipe down the equipment. The
equipment operator shall be responsible for preventing any risks caused by static electricity.
•
Keep chemicals and other agents, which can corrode the housing seals and cable sheaths, away from
the equipment. These agents include oil, grease, benzene, acetone and ozone. If you are not sure
about the safety of a certain substance, please contact the manufacturer.
•
Use equipment only in the temperature ranges indicated. Avoid exposing the equipment to heat.
•
The equipment operator is responsible for any non-Hardy cables used.