WIKA PXA - Manual

INSTRUCTION MANUAL
NI-290E
Rev. 0 01/05
PRESSURE SWITCHES SERIES PXS, PXN, PXA
All data, statements and recommendations supplied with this manual are based on information believed by us to be reliable. As the
conditions of effective use are beyond our control, our products are sold under the condition that the user himself evaluates such
conditions 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 (Series PXS) AND EXPLOSIONPROOF (Series PXA, PXN)
INSTRUMENT STANDARD INSTRUMENT WITH JUNCTION BOX
A = Pressure connection B = Cable entry A = Pressure connection B = Cable entry
WEIGHT 0,3 kg Dimensions in mm 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
2 - OPERATING PRINCIPLE
3 - NAMEPLATE AND MARKINGS
4 - SPECIAL CONDITIONS FOR SAFE USE (X)
5 - SET POINT ADJUSTMENT
6 - SET POINT CALIBRATION
7 - INSTRUMENT PLUMBING
8 - MOUNTING AND CONNECTION S
9 - PUTTING INTO OPERATION
10 - FUNCTIONAL VERIFICATION
11 - TROUBLE SHOOTING
12 - STOPPING AND DISMOUNTING
13 - DEMOLITION
DOCUMENT CORRELATED
to document authenticated with certificates
N° CESI 05 ATEX 002X
N° CESI 05 ATEX 003
SAFETY INSTRUCTIONS FOR USE IN EXPLOSIVE ATMOSPHERES
RECOMMENDATIONS FOR THE SAFE USE OF THE INSTRUMENT