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7 NP 72 en
READ THESE INSTRUCTIONS FIRST!
These instructions provide information about safe handling and operation of the positioner.
If you require additional assistance, please contact the manufacturer or manufacturer's representative.
Addresses and phone numbers are printed on the back cover.
SAVE THESE INSTRUCTIONS!
Subject to change without notice.
All trademarks are property of their respective owners.
Table of Contents
1
INTRODUCTION ...................................................3
1.1
General .....................................................................3
1.2
Principle of operation .........................................3
1.3
Marking of positioner ..........................................3
1.4
Technical specifications .....................................4
1.5
Approvals ................................................................4
1.6
Recycling and disposal .......................................4
1.7
Safety precautions ...............................................4
2
MOUNTING ON THE METSO ACTUATOR ............4
2.1
General .....................................................................4
2.2
Installing positioner NP700/S1 on
Metso actuators with VDI/VDE 3845
mounting face ........................................................5
2.3
NP_700/700 positioner/limit switch
combination (Obsolete since 2013)................5
2.4
Piping of supply air ..............................................5
2.5
Instrument air supply ..........................................8
3
INPUT SIGNAL AND DIRECTIONS OF
OPERATION ..........................................................8
3.1
Changeover piece ................................................8
3.2
Cam plate ................................................................8
4
PRELIMINARY ACTIONS FOR THE
ADJUSTMENT .......................................................8
4.1
Position of the changeover piece ...................8
4.2
Pilot valve ................................................................8
4.3
Position of the cam plate ...................................9
5
BASIC ADJUSTMENT ...........................................9
6
a
0
ADJUSTMENT ..................................................9
7
SPLIT-RANGE ADJUSTMENT .............................10
8
MAINTENANCE ..................................................10
8.1
Supply air filter ................................................... 10
8.2
Pilot valve ............................................................. 10
8.3
Replacement of the diaphragms ................. 11
9
TROUBLESHOOTING .........................................11
10
OPTIONS .............................................................11
10.1
NP700/B and NP700/B1 ................................... 11
10.2
NP700/GN natural gas construction ........... 11
10.3
NP700/R dust-proof construction (IP65) ... 11
10.4
NP700/A with pressure gauges .................... 11
11
TOOLS ................................................................ 11
12
ORDERING SPARE PARTS ................................. 11
13
DRAWINGS AND PARTS LISTS .......................... 12
13.1
Exploded view and parts list ..........................12
13.2
Mounting parts for B1C6-502 and
B1J8-322 actuators (S1) ....................................14
13.3
Mounting parts for Quadra-Powr®
actuators (S1) .......................................................15
13.4
Mounting parts for B1C6-20 and
B1J8-20 actuators (S2) ......................................16
13.5
Mounting parts for B1C25-502 and
B1J25-322 actuators (S2) .................................17
14
TYPE CODE ........................................................ 18
Summary of Contents for NB723
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