ITT NEO-DYN 100P ENCLOSURE 7 Manuale utente

NEO-DYN

MODEL 100P ENCLOSURE 7

ADJUSTABLE EXPLOSION-PROOF PRESSURE SWITCH

INSTALLATION AND

OPERATION MANUAL

PN 610-0006 Rev F

100P Enclosure 7 Adjustable Pressure Switch Page i

WARNING

CAUTION

NOTE

Manual No. 610-0006 Rev F

Neo-Dyn

28150 Industry Drive

Valencia, CA 91355

Tel: (661) 295-4000

Fax: (661) 294-1750

World Wide Web: www.neodyn.com

ITT

Important Information

The product warranty applicable to this ITT Neo-Dyn®instrument

is as stated on page 17 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 Adjustable Pressure Switch, become

familiar with the installation and adjustment instructions in

Chapters 2 and 3.

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.

The electrical wiring must be connected to the switch by means of

conduit or flameproof cable gland certified to BS EN 60079-1.

The electrical wiring must be 105 °C rated minimum copper

conductors only. If replacement of the setscrew that secures the

threaded cover of the electronics housing is necessary, it must be

replaced with a 0.138-32 UNC-2A (6-32) Hex Socket Head Cap

Screw, 300 series CRES or CAD Plated Grade 5 Steel.

Indicates additional information about a particular item necessary

to the operation of the unit.

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

100P Enclosure 7 Adjustable Pressure Switch Page ii

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 .............................................12

STANDARD...........................................................................12

OPTIONS................................................................................16

WARRANTY INFORMATION.................................................17

100P Enclosure 7 Adjustable Pressure Switch Page 1

100P Enclosure 7 Adjustable Pressure Switch Page 2

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. CRES diaphragms and all-welded construction are

also available for corrosive pressure media.

Setpoint adjustments are easily made through the adjustable range

of the Pressure Switch using either the increasing or decreasing

handles. These handles are accessed by removing the unit’s front

cover.

Model 100P Enclosure 7 may be ordered to switch 125 to 600

VAC, or 28 to 125 VDC, with currents from microamperes to 15

amperes.

100P Enclosure 7 Adjustable Pressure Switch Page 3

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.

CUSTOMER SERVICE

If you have any questions about the 100P Adjustable Pressure

Switch that are not covered in this manual, you can contact Neo-

Dyn in several ways.

The customer service phone number is (661) 295-4000. Our

customer service department is open from 7:00 am to 3:30

p.m. Pacific Time.

Our Internet site is www.neodyn.com.

100P Enclosure 7 Adjustable Pressure Switch Page 4

WARNING

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.

Electrical Hazard

Do not make electrical connections while power is on.

Always check for multiple circuits.

Always make sure grounding is adequate.

MOUNTING

The Adjustable Pressure Switch can be mounted directly to the

pressure connection if there is no significant vibration and the

pressure lines are capable of supporting the weight, or it can also

be attached to a flat surface, such as a wall.

Space the Range 1 unit at least .375 inch (0.95 cm) from the

mounting surface, or allow the pressure fitting to overhang an

edge of the mounting surface.

PRESSURE CONNECTION

The standard pressure inlet for model 100P Pressure Switches is

either a ¼” - 18 NPT female pipe thread for Wetted Material 1

(aluminum alloy port), or ½” - 14 NPT female pipe thread for

Wetted Materials 4, 5, 7 and 9 (CRES port). When installing the

100P Adjustable Pressure Switch always:

100P Enclosure 7 Adjustable Pressure Switch Page 5

CAUTION

WARNING

NOTE

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.

Do not exceed the marked Maximum Operating Pressure in

normal operation.

The marked Proof Pressure is provided to give the maximum

allowable pressure without causing permanent damage to the

pressure switch in the event of an over-pressure condition. Set

pressure relief/safety valves below this setting.

ELECTRICAL CONNECTIONS

One terminal block is located on the inside of the unit.

Electrical connections are made through either of the two

¾”-14 NPT conduit openings. Model 100P Enclosure 7 is shipped

from the factory with a threaded plug in one of these conduit

openings. This plug is suitable for use in hazardous locations.

All field wiring for Model 100P must comply with requirements

of the NEC or applicable local electrical codes, including wire

gauges and insulation temperature ratings. Conduit seals may be

required.

With no power to the wires, remove the unit’s cover, move the

insulator flap to the side (exposing the terminal block), and

connect the wires to the terminal block. (See Figure 1.) There are

three ways of wiring model 100P Enclosure 7, depending on

which Electrical Form the unit is; Figure 2 shows the electrical

schematics for Forms CC, C, and Z.

On forms C and CC, it is not mandatory to connect both NC and

NO wires to the switch.

Return the the insulator flap to its position over the terminal

block. If the setpoints are not to be adjusted at this time, reinstall

the unit’s cover, making sure that it is bottomed and compressing

its O-ring.

100P Enclosure 7 Adjustable Pressure Switch Page 6

Figure 2. Schematics Shown at Zero PSIG

Indice

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