INSTRUCTION MANUAL
NI-210WE
Rev. 4 04/20
DIFFERENTIAL PRESSURE SWITCHES FOR CONTROL ON DRY AND
CLEAN GAS SERIES DW03 & DW05
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 ALEXANDER WIEGAND SE &Co and may not be reproduced in any form, nor used for any pur-pose other
than that for which it is supplied.
WEATHERPROOF AND INTRINSICALLY SAFE: SERIE DW03
WEATHERPROOF AND INTRINSICALLY SAFE: SERIE DW05
A
High pressure connection
B
Low pressure connection
C
Cable entry
Weight 2,2 kg (dimensions in mm)
A
High pressure connection
B
Low pressure connection
C
Cable entry
Weight 8,2 kg (dimensions in mm)
For surface mounting use two screws M6.
For surface mounting use six screws M6.
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
MODEL CODE
4
IDENTIFICATION PLATE AND MARKINGS
5
SET POINT REGULATION
6
SET POIT CALIBRATION
7
MOUNTING AND CONNECTIONS
8
INSTRUMENT PLUMBING
9
SAFETY INTEGRITY LEVEL (SIL) INSTALLATION REQUIREMENTS
10
PUTTING INTO OPERATION
11
VISUAL INSPECTION
12
FUNCTIONAL VERIFICATION
13
STOPPING AND DISMOUNTING
14
DISPOSAL
15
TROUBLESHOOTING
SAFETY INSTRUCTIONS FOR USE IN HAZARDOUS ATMOSPHERES.
RECOMMENDATIONS FOR PRESSURE SWITCH SAFE USE.
RELATED DOCUMENT
To authenticated document with certificate
N° IECEx PRE 16.0074X
