www.miinet.com
Moore Industries-International, Inc.
- 37 -
User’s Manual
238-741-00K
May 2019
Programmable Smart HART Temperature Transmitter
THZ
3
/ TDZ
3
Specific Conditions of Use
The following instructions must be adhered to when the THZ
3
and TDZ
3
is used in hazardous
locations and potentially explosive atmospheres.
Note:
The THZ3-DIN with the -AIS Option has it’s own Specific Conditions of Use. See page 40
for instructions.
cFMus Installations
Intrinsically Safe Applications
Class I, Division 1, Groups A-D
Class1, Zone 0, AEx ia IIC, 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 and also meets the requirements of ANSI/ISA 61010-1 or
C22.2 No 1010-1. 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.
INTRINSICALLY SAFE
WIRING
.S. INPUT WIRING
ASSOCIATED I
CLASS I DIV 2/ZONE 2
OR SAFE AREA WIRING
THZ3 PRG
SMART HART
TEMPERATURE
TRANSMITTER
DUAL SENSOR
Refer to Figure 3.1 for detailed electrical connections
SECTION 3
