www.miinet.com
Moore Industries-International, Inc.
- 40 -
User’s Manual
238-741-00K
May 2019
Type n Applications – Zone 2
Ex nA IIC
When installed as EPL Gc equipment, the THZ
3
and TDZ
3
shall be mounted within a tool-
secured enclosure which meets the requirements of IEC60079-0 and IEC60079-15 and be
capable of accepting the applicable wiring methods for the country of origin. The enclosure shall,
at a minimum, meet the requirements of IP54.
On installation, the THZ
3
and TDZ
3
shall be provided with supply transient protection external
to the apparatus such that the voltage at the supply terminals of the THZ
3
and TDZ
3
does not
exceed 119V peak or 119Vdc.
The COM port shall not be used in Hazardous areas.
Note:
Using the box provided on nameplate, the User shall permanently mark type of protection
chosen for the specific installation. Once the type of protection has been marked it shall not be
changed.
Specific Conditions of Use
The following instructions must be adhered to when the THZ3 with –AIS Option is used in
unclassified /non-hazardous locations or hazardous locations/potentially explosive atmospheres.
Note:
Programming of the THZ3 through the communication port shall only be done in an
unclassified location using the Moore Industries USB cable, Part Number 804-030-26.
Note:
Using the box provided on the nameplate, the user shall permanently mark the type of
protection chosen for the specific installation. Once the type of protection has been marked it
shall not be changed.
cFMus Installations
Class I, II, III, Division 1, Groups A-G
Class I, Zone 0, [AEx ia Ga] IIC, [Ex ia Ga] IIC
Class I, Division 2, Groups A-D
Class I, Zone 2, AEx nA [ia Ga] IIC T4, Ex nA [ia Ga] IIC T4
When installed in unclassified locations:
The THZ3 shall be mounted within a tool-secured enclosure which meets the requirements of
ANSI/ISA 61010-1 or CAN/CSA-C22.2 No. 61010-1 and is capable of accepting the applicable
wiring methods per the NEC or the Canadian Electrical Code. The enclosure shall, at a
minimum, meet the requirements of IP20.
When installed in Division 2 locations:
The The THZ3 shall be mounted within a tool-secured enclosure which meets the requirements
of ANSI/ISA 61010-1 or CAN/CSA-C22.2 No. 61010-1 and is capable of accepting the
applicable wiring methods wiring methods per the NEC or the Canadian Electrical Code.
Programmable Smart HART Temperature Transmitter
THZ
3
/ TDZ
3
SECTION 3