ITT NEO-DYN 132T User manual

NEO-DYN
MODELS 132T AND 132TC
ADJUSTABLE TEMPERATURE SWITCHES,
ENCLOSURE 6N FOR EXPLOSIVE ATMOSPHERES
INSTALLATION AND
OPERATION MANUAL
PN 610-0013 Rev C

Enclosure 6N Temperature Switches Page i
WARNING
CAUTION
NOTE
Manual No. 610-0013 Rev C
Neo-Dyn
28150 Industry Drive
Valencia, CA 91355
Tel: [phone]
Fax: [phone]
World Wide Web: www.neodyn.com
Copyright 2002
ITT Industries
Important Information
The product warranty applicable to this ITT Neo-Dyn®instrument
is as stated on page 13 of this manual.
Should any after-delivery problems arise, please contact
ITT Neo-Dyn’s Customer Service using the information above.
Our normal business hours are weekdays, 7:00 am to 3:30 PM,
Pacific Time.
Before installing this Temperature Switch, become familiar with
the installation and adjustment instructions in Chapter 2.
Indicates a hazard which can cause severe personal injury,
death, or substantial property damage if the warning is
ignored.
Indicates a hazard which will or can cause minor personal injury
or property damage if the caution is ignored.
Indicates additional information about a particular item necessary
to the operation of the unit.
The Electrical Snap Switch Assemblies shall be installed such that
the equipment wiring is protected from mechanical damage by the
use of metal conduit or a method providing equivalent protection.
The equipment wiring must not be subjected to tension or torque.
If it is to be terminated within a potentially explosive atmosphere,
a suitably certified termination facility must be used.
This document contains proprietary information, which is the
property of Neo-Dyn, a unit of ITT Industries. This document
may not be reproduced, either in part or in full, without the
consent of ITT Industries.
SPECIAL
CONDITIONS
FOR SAFE USE

Page ii Installation and Operation Manual
TABLE OF CONTENTS PAGE
CHAPTER 1 INTRODUCTION.................................................1
CUSTOMER SERVICE............................................................2
OTHER CONFIGURATIONS..................................................2
CHAPTER 2 INSTALLATION AND OPERATION.................3
MOUNTING.............................................................................3
PROCESS CONNECTION.......................................................4
ALLOWABLE PRESSURES AND TEMPERATURES .........4
PROCESS MEDIA ...................................................................5
ELECTRICAL CONNECTIONS .............................................6
POTENTIALLY EXPLOSIVE ATMOSPHERES
(HAZARDOUS LOCATIONS)................................................7
SETPOINT ADJUSTMENT.....................................................7
CHAPTER 3 TROUBLESHOOTING ........................................9
CHAPTER 4 SPECIFICATIONS .............................................10
STANDARD...........................................................................10
OPTIONS................................................................................12
WARRANTY INFORMATION.................................................13

Enclosure 6N Temperature Switches Page 1
CHAPTER
1
INTRODUCTION
The Neo-Dyn®Enclosure 6N Temperature Switches described in
this manual are weather and explosion-proof, electromechanical
sensing devices designed for a wide range of applications in
pneumatic and hydraulic systems up to 1500 psig, and for use in
Zone 1 Potentially Explosive Atmospheres (Division 1 hazardous
locations). Models 132T and 132TC differ in that the temperature
sensor of Model 132T is directly attached to the housing, while
the sensor of Model 132TC is remotely located at the end of a
capillary connection.
Both models use austenitic corrosion-resistant steel (300 series) in
the area wetted by the process media. Model 132T has a Teflon
seal, and Model 132TC uses a graphite-filled non-asbestos packing.
Setpoint adjustments of both models are easily made through the
adjustable range by turning an adjustment nut that is accessed by
removing the unit’s front cover.
The standard configuration of these switches will switch up to
11 amp at 125 or 250 VAC, 5 amp resistive at 28 VDC, or
0.5 amp resistive at 125 VDC. When ordered with M Option, the
switch is rated for currents to one ampere, but its bifurcated gold
contacts will reliably switch currents in the milliampere and
microampere ranges.
These switches have CE Mark; and the internal switching
elements are recognized components by both UL and CSA. The
weatherproof enclosures are rated for IP66 ingress protection, and
they also meet the requirements of NEMA 3. 3R, 3S, 4, 4X and 13.
The electrical subassemblies are listed by UL and CSA.

Page 2 Installation and Operation Manual
WARNING
Figure 1: Models 132T and 132TC Enclosure 6N
Adjustable Temperature Switches for Explosion Proof Applications
Chapter 4 on page 10 contains complete specifications.
CUSTOMER SERVICE
If you have any questions about these Temperature Switches that
are not covered in this manual, you can contact Neo-Dyn or our
representatives in several ways.
The Neo-Dyn customer service phone number is
[phone]. Our customer service department is open
from 7:00 am to 3:30 p.m. Pacific Time.
Our Internet site is www.neodyn.com; it includes lists of
sales representatives and distributors.
OTHER CONFIGURATIONS
The models described in this manual are also available in special
and factory-set configurations. For these units, follow the
installation and operating instructions herein, except adhere to
the electrical limits marked on the units.
PROCESS
CONNECTION
1/2-14 NPT MALE
(AT END OF CAPILLARY
ON MODEL 132TC) 2 MOUNTING HOLES
ADJUSTMENT COVER
1/2 in NPT
CONDUIT
FITTING
18 in (46 cm)
FREE LEADS
18 AWG STD
5.92 in Max
(150.4 mm)
2X 1.50 i
n
(38.1 mm)
TEMPERATURE SENSOR

Enclosure 6N Temperature Switches Page 3
WARNING
WARNING
WARNING
WARNING
CHAPTER
2
INSTALLATION AND
OPERATION
Installation of these Neo-Dyn®Enclosure 6N temperature
switches is straightforward. However, they must be installed by a
qualified electrician, in compliance with all local and national
electrical codes.
Electrical Hazard
Do not make electrical connections while power is on.
Always check for multiple circuits.
Always make sure grounding is adequate.
MOUNTING
Model 132T Temperature Switches can be mounted directly to the
process connection if there is no significant vibration and the fluid
lines are capable of supporting the weight, and it can also be
attached to a flat surface, such as a wall or panel, using .190 in.
diameter (no. 10) or M5 fasteners through the mounting holes that
are spaced 1.125 in (28.6 mm) apart. The fastener length should
include 1.50 inches (38.1 mm) above the mounting surface.
Model 132TC, which has a remote temperature sensor, must be
attached by the mounting holes to a flat surface as described
above.

Page 4 Installation and Operation Manual
CAUTION
WARNING
PROCESS CONNECTION
The process connections are:
Model 132T: ½” - 14 NPT male standard. The .25 in. (6.4 mm)
dia. temperature probe extends 3.5 in. (89 mm) past the end of the
pipe thread.
Model 132TC: ½” - 14 NPT male standard. The .38 in. (9.7 mm)
dia. probe extends 4.25 in. (108 mm) min. from the end of the
pipe thread, and can be extended an additional 9.5 in. (241 mm).
After this length adjustment, torque the gland nut in the pipe fitting
to 230 ± 20 in-lb (26.0 ± 2.3 newton-meters).
When installing the Temperature Switch, always:
Make sure that the unit and your system have matching threads.
Use the wrench flats provided.
Seal all joints with pipe-joint sealing compound.
Avoid excessive torque on all threaded connections.
ALLOWABLE PRESSURES AND TEMPERATURES
Do not exceed the 1500 psig (103.5 bar) Maximum Operating
Pressure (System Pressure) in normal operation.
The 2250 psig (155.1 bar) Proof Pressure is provided to give the
maximum allowable pressure without causing permanent damage
to the temperature switch in the event of an over-pressure
condition. Set pressure relief/safety valves below this setting.
Similarly, the marked Proof Temperature is the maximum
temperature the process media could reach in an overtemperature
condition without damaging the switch. The gland nut seal on the
132TC model series is NOT designed for pressurized service above
500 °F. As such, a thermowell is required when media temperatures
can exceed 500 °F.

Enclosure 6N Temperature Switches Page 5
PROCESS MEDIA
Process media must be compatible with the wetted materials listed
in Chapter 4 on page 11. Compatibility is defined by an “A”
rating in the Chemical Resistance Guide for Metals and Alloys
and the Chemical Resistance Guide for Plastics, both published by
Compass Publications, and available from the National
Association of Corrosion Engineers (NACE), Houston, Texas;
telephone [phone].

Page 6 Installation and Operation Manual
WARNING
ELECTRICAL CONNECTIONS
18 AWG free leads, 18 inches (48.3 cm) long are standard. See
Figure 2 below for color codes.
Figure 2. Temperature Switch Schematics Shown
Below the Decreasing Setpoint
All field wiring must comply with requirements of the NEC or
applicable local or national electrical codes, including wire
gauges and insulation temperature ratings. Conduit seals may
be required.
RED
BRN
BLU
BLK
YEL
VIO
GRN
RED
BRN
BLU
GRN
FORM CC FORM C