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INSTRUCTION MANUAL

NI-281E

Rev. 5 11/02

COMPACT PRESS. SWITCHES SERIES PCS & PCA

ll data, statements and recommendations supplied with this manual are based on information believed by us to be reliable. As the

onditions of effective use are beyond our control, our p

oducts are sold under the condition that the user himself evaluates such

onditions before following our recommendations for the purpose or use foreseen by him.

The present document is the property of ETTORE CELLA SPA and may not be reproduced in any form, nor used for any purpose

other than for which it is supplied.

WEATHERPROOF EXPLOSIONPROOF

SERIES PCS SERIES PCA

B = Cable entry

A = Pressure connection

WEIGHT 1kg dimensions in mm

B = Cable entry

A = Pressure connection

WEIGHT 1kg dimensions in mm

NOTE: dimensions and weights are not binding unless released on certified drawings.

CAUTION

• Before installing, using or carrying out maintenance on the instrument it is necessary to read and understand the indications given in

the attached Instruction Manual.

• The instrument must only be installed and maintained by qualified personnel.

• INSTALLATION IS TO BE CARRIED OUT ONLY AFTER CHECKING THAT INSTRUMENT CHARACTERISTICS ARE

CONSISTENT WITH PROCESS AND PLANT REQUIREMENTS

• The functional features of the instrument and its degree of protection are shown on the identification plate fixed to the case.

CONTENTS:

1 -

GENERAL NOTES

2 - OPERATING PRINCIPLE

3 - IDENTIFICATION PLATE AND MARKINGS

4 - SET POINT REGULATION

5 - SET POINT CALIBRATION

6 - MOUNTING AND CONNECTIONS

7 - INSTRUMENT PLUMBING

8 - PUTTING INTO OPERATION

9 - FUNCTIONAL VERIFICATION

10 - FUNCTIONAL VERIFICATION

11 - STOPPING AND DISMOUNTING

12 - DEMOLITION

SAFETY INSTRUCTIONS FOR USE IN HAZARDOUS ATMOSPHERES.

RECOMMENDATIONS FOR PRESSURE SWITCH SAFE USE.

Inhaltsverzeichnis

Seite 1 - NI-281E

INSTRUCTION MANUAL NI-281E Rev. 5 11/02 COMPACT PRESS. SWITCHES SERIES PCS & PCA All data, statements and recommendations supplied with this

Seite 2

INSTRUCTION MANUAL NI-281E Rev. 5 11/02 1 - GENERAL NOTES 1.1 FOREWORD The wrong choice of a series or a model, as well as the incorrect install

Seite 3

INSTRUCTION MANUAL NI-281E Rev. 5 11/02 5.1 PRELIMINARY OPERATIONS CAUTION: do not open the cover of explosionproof pressure switches (Series PCA

Seite 4

INSTRUCTION MANUAL NI-281E Rev. 5 11/02 valve is closed with a plug to prevent the outlet of the process fluid caused by the incorrect use of said

Seite 5

INSTRUCTION MANUAL NI-281E Rev. 5 11/02 10 - TROUBLESHOOTING IMPORTANT NOTE: operations involving replacement of essential components must be car

Seite 6

INSTRUCTION MANUAL NI-281E Rev. 5 11/02 ETTORE CELLA SPA Viale de Gasperi, 48 - Casella Postale (P.O. Box) 96 - I 20010 Bareggio (MILANO) ITALY Te

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Inhaltsverzeichnis

Verwandte Modelle: PCA | PCS-HP | PCS |

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