metso automation neles NP724 User Manual

Table of Contents
1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . 3
1.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Operating principle . . . . . . . . . . . . . . . . . . . . . . 3
1.3 Marking of positioner . . . . . . . . . . . . . . . . . . . . 3
1.4 Technical specifications . . . . . . . . . . . . . . . . . . . 4
1.5 Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.6 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . 4
2 MOUNTING ON THE
METSO AUTOMATION ACTUATOR. . . . 4
2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Installing positioner NP700/S1 on Metso Automation
actuators with VDI/VDE 3845 mounting face. . 5
2.3 Installing positioner NP700/S2 on Metso Automation
B series actuators. . . . . . . . . . . . . . . . . . . . . . . . 5
2.4 NP_700/700 positioner/limit switch combination 5
2.5 Piping of supply and signal air. . . . . . . . . . . . . . 5
2.6 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.3 Position of the cam plate . . . . . . . . . . . . . . . . . 9
5 BASIC ADJUSTMENT . . . . . . . . . . . . . . . . . 9
6 α
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 diaphragm . . . . . . . . . . . 11
9 TROUBLE SHOOTING . . . . . . . . . . . . . . . 11
10 OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 11
10.1 NP700/GF and NP700GN
natural gas construction. . . . . . . . . . . . . . . . . . 11
10.2 NP700/R dust-proof construction (IP 65). . . 11
10.3 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
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
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metso automation neles NP724 Specifications

General

Brand	metso automation
Model	neles NP724
Category	Valve Positioners
Language	English