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ARI Armaturen Liquid PN25 EN User Manual

Operating and installation instructions, Liquid return temperature limiter (pn25/40)

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Rev. 0040807002 0405 englisch

1.0 General information on operating

instructions .................................................... 2

2.0 Notes on possible dangers............................ 2

2.1 Significance of symbols ..........................................2
2.2 Explanatory notes on safety information .................2

3.0 Storage and transport ................................... 2
4.0 Description...................................................... 3

4.1 Scope of applications ..............................................3
4.2 Operating principles ................................................3
4.3 Diagram...................................................................4
4.4 Technical data - remarks .........................................5
4.5 Marking ...................................................................5

5.0 Installation....................................................... 5

5.1 General notes on installation...................................5
5.2 Installation instructions for welding .........................6
5.3 Controller adjustment ..............................................6
5.4 Steam trap testing through ultrasonic

measurement ..........................................................7

5.5 Installation position................................................. 7

6.0 Putting the valve into operation ................... 7
7.0 Care and maintenance................................... 8

7.1 Cleaning/replacing controller assembly.................. 8
7.2 Option thermometer adapter with thermometer ..... 8
7.3 Tightening torques.................................................. 9

8.0 Troubleshooting ............................................. 9
9.0 Troubleshooting table ................................... 9
10.0 Dismantling the valve or the body ........... 10
11.0 Warranty / Guarantee ................................. 10
12.0 EC declaration of conformity .....................11

Operating and installation instructions

Liquid return temperature limiter

(PN25/40)

Contents

PN25/40

- with flanges

(series 650....1)

- with screwed sockets

(series 650....2)

- with socket weld ends

(series 650....3)

- with butt weld ends

(series 650....4)