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Summary of Contents for ITT NEO-DYN 100P ENCLOSURE 7
- Page 1 100P E ODEL NCLOSURE DJUSTABLE XPLOSION ROOF RESSURE WITCH INSTALLATION AND OPERATION MANUAL PN 610-0006 Rev F...
- Page 3 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.
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Page 4: Table Of Contents
TABLE OF CONTENTS PAGE CHAPTER 1 INTRODUCTION ..........2 CUSTOMER SERVICE............3 CHAPTER 2 INSTALLATION ..........4 MOUNTING ................4 PRESSURE CONNECTION ............ 4 ELECTRICAL CONNECTIONS ..........5 CHAPTER 3 ADJUSTMENTS AFTER INSTALLATION ..8 ADJUSTMENTS ..............8 CHAPTER 4 TROUBLESHOOTING ........10 CHAPTER 5 SPECIFICATIONS .......... - Page 5 100P Enclosure 7 Adjustable Pressure Switch Page 1...
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Page 6: Chapter 1 Introduction
CHAPTER INTRODUCTION ® The Neo-Dyn Model 100P Enclosure 7 Adjustable Pressure Switch is an explosion-proof, electromechanical pressure switch designed for a wide range of applications in pneumatic and hydraulic systems up to 3,000 psig. The most common wetted materials include a polyimide (Kapton) sensing diaphragm, nitrile O-ring, and aluminum alloy or corrosion resistant steel (CRES) pressure port. -
Page 7: Customer Service
Figure 1. Model 100P Enclosure 7 Adjustable Pressure Switch for Hazardous Locations The standard electrical conduit connections are ¾” - 14 NPT female. The standard pressure connection is either a ¼” - 18 or ½”-14 NPT female port; see Chapter 2. Chapter 4 on page 12 contains complete specifications for the 100P Enclosure 7 Adjustable Pressure Switch. -
Page 8: Chapter 2 Installation
CHAPTER INSTALLATION Installation of Model 100P Enclosure 7 is straightforward. However, this Adjustable Pressure Switch must be installed by a qualified electrician, in compliance with all local and national electrical codes. WARNING Electrical Hazard WARNING Do not make electrical connections while power is on. WARNING Always check for multiple circuits. -
Page 9: Electrical Connections
Make sure that the unit and your system have matching threads. Use the wrench flats provided. Seal all joints with pipe joint sealing compound. CAUTION Avoid excessive torque on all threaded connections. WARNING Do not exceed the marked Maximum Operating Pressure in normal operation. - Page 10 Figure 2. Schematics Shown at Zero PSIG 100P Enclosure 7 Adjustable Pressure Switch Page 6...
- Page 11 100P Enclosure 7 Adjustable Pressure Switch Page 7...
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Page 12: Chapter 3 Adjustments After Installation
CHAPTER ADJUSTMENTS AFTER INSTALLATION This section describes the adjustments needed after the Adjustable Pressure Switch has been properly installed. Pressure settings are internally adjustable using the adjustment handles. WARNING Never remove the cover in a hazardous environment with the power on. ADJUSTMENTS It is recommended that the unit be in a non-hazardous location during adjustment. - Page 13 Rock the appropriate handle back and forth, to rotate the adjustment nut to increase or decrease load on the internal adjustment spring. The silver-colored range scale, visible past the end of the adjustment nut, gives an approximate value of the increasing setpoint. For precise adjustment of the increasing or decreasing setpoint, check the setpoints with a calibrated pressure gauge.
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Page 14: Chapter 4 Troubleshooting
Leaks may be repaired by replacing the sensing diaphragm and O-ring (wetted materials 1 and 4 only). Contact ITT for replacement parts and instructions, or return the unit to ITT for this repair. - Page 15 Belleville spring, there is probably a mechanical failure or binding due to contamination. Return the unit to ITT for repair. Calibration Shifts If it is suspected that the setpoints have shifted, recheck them per paragraphs 6 and 7 of Chapter 3.
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Page 16: Chapter 5 Specifications
CHAPTER SPECIFICATIONS This section shows the standard specifications and available options for the 100P Adjustable Pressure Switch. STANDARD Interface The Model 100P Enclosure 7 weighs approximately 4 pounds (1.8 kg). ¾” - 14 NPT Conduit Connections ¼” – 18 or ½” - 14 NPT Female Pressure Port Temperature Range Ambient: -40°F (-40°C) to +167°F (+75°C) - Page 17 Part Number The part number contains information about which configurations and options are included in your Adjustable Pressure Switch. To determine the pressure range, electrical rating, and options, compare the part number of your unit with the information below in Figure 3. 100P 1 Model Series Wetted Material...
- Page 18 Actuation Points Table 2 Adjustable Set Point Range PSIG (KPAG) Range No Increasing, Decreasing, Deadband Approx., psig (bar) psig (bar) psi (bar) 5 to 75 2.3 to 73.3 2.7 (0.2) (0.35 to 5.2) (0.15 to 5.0) 15 to 150 9 to 144 6 (0.4) (1.0 to 10.3) (0.6 to 9.9)
- Page 19 Explosion Proof/ Weather Proof Ratings: Class I, Div 1, Groups C and D Class II, Div 1, Groups E, F and G Class III, Div 1 II 2 G D Ex d II B T6 Gb Ex tb IIIC T85 °C Db, IP65 Enclosure type 4X, 13 (NEMA) Electrical Ratings Form C (SPDT)
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Page 20: Options
OPTIONS The available options are listed below. You can combine these options, but every option ordered should be indicated in the part number of the unit. Table 4 Option Description Viton O-Ring – Refer to Wetted Materials EPR O-Ring – Refer to Wetted Materials 7/16 –... -
Page 21: Warranty Information
ITT. The warranty does not extend to or apply to any unit, which has been repaired or altered at any place other than at ITT’s factory or service locations, by persons not expressly approved by ITT.
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