www.miinet.com
Moore Industries-International, Inc.
- 38 -
User’s Manual
238-741-00K
May 2019
Nonincendive, Type n Applications
Class I, Division 2, Groups A-D
Class1, Zone 2, AEx nA IIC, Ex nA IIC
When installed as Division 2 equipment, the THZ
3
and TDZ
3
shall be mounted within a
tool-secured enclosure which meets the requirements of ANSI/ISA 61010-1or C22.2
No. 1010-1 and be capable of accepting the applicable wiring method per the NEC or as
specified in the C22.1 Canadian Electrical Code, Part I.
When installed as Zone 2 equipment, the THZ
3
and TDZ
3
shall be mounted within a tool-secured
enclosure which meets the requirements of ANSI/ISA 60079-0 or CAN/CSA-E60079-0 and
ANSI/ISA 60079-15 or CAN/CSA 60079-15 and be capable of accepting the applicable wiring
methods per the NEC or as specified in the C22.1 Canadian Electrical Code, Part I. The
enclosure shall, at a minimum, meet the requirements of IP54.
When installed as Zone 2 equipment, the THZ
3
and TDZ
3
shall be mounted within a tool-secured
enclosure which meets the requirements of ANSI/ISA 60079-0 or CAN/CSA-E60079-0 and
ANSI/ISA 60079-15 or CAN/CSA 60079-15 and be capable of accepting the applicable wiring
methods per the NEC or as specified in the C22.1 Canadian Electrical Code, Part I. The
enclosure shall, at a minimum, meet the requirements of IP54.
On installation of Zone 2 equipment, 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 58.8V peak or 58.8Vdc.
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.
European Union Installations
(ATEX 94/9/EC Directive)
Intrinsically Safe Applications - Zone 0
II 1 G Ex ia IIC
The THZ
3
and TDZ
3
shall be installed in an enclosure which maintains an ingress protection
rating of at least IP20.
The communications port shall be programmed through Moore Industries Fuse-Protected USB
Communications Cable, Part No. 804-030-26A, as described on Control Drawings
100-100-80 (TDZ
3
) or 100-100-81 (THZ
3
).
The Cable cannot be used in Hazardous Areas or in ambient temperatures in excess of 75° C.
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.
Programmable Smart HART Temperature Transmitter
THZ
3
/ TDZ
3
SECTION 3