Spirax Sarco PLC Manual de usuario

3.635.5275.253 Ed. 1 IT - 2010

EXPER

TISE SOLUTIONS SUST

AINABILITY

PLC Unit Control

for CSM-K Clean Steam Generators

Installation, Operation and Maintenance Manual

The PED Directive 97/23/EC is repealed and replaced by the new

PED Directive 2014/68/EU with effect from 19 July 2016.

The ATEX Directive 94/9/EC is repealed and replaced by the new

ATEX Directive 2014/34/EU with effect from 20 April 2016.

23.635.5275.253

ATTENZIONE

Lavorare in sicurezza con apparecchiature

in ghisa e vapore

Working safely with cast iron products on steam

Informazioni di sicurezza supplementari - Additional Informations for safety

Lavorare insicurezza conprodotti

in ghisa per linee vapore

I prodotti di ghisa sono comunemente presenti

in molti sistemi a vapore.

Se installati correttamente, in accordo alle

migliori pratiche ingegneristiche, sono dispositivi

totalmente sicuri.

Tuttavia la ghisa, a causa delle sue proprietà

meccaniche, è meno malleabile di altri materiali

come la ghisa sferoidale o l’acciaio al carbonio.

Di seguito sono indicate le migliori pratiche

ingegneristiche necessarie per evitare i colpi

d'ariete e garantire condizioni di lavoro sicure

sui sistemi a vapore.

Movimentazione in sicurezza

La ghisa è un materiale fragile: in caso di

caduta accidentale il prodotto in ghisa non è

più utilizzabile. Per informazioni più dettagliate

consultare il manuale d'istruzioni del prodotto.

Rimuovere la targhetta prima di effettuare la

messa in servizio.

Working safely with cast iron

products on steam

Cast iron products are commonly found on steam

and condensate systems.

If installed correctly using good steam

engineering practices, it is perfectly safe.

However, because of its mechanical properties,

it is less forgiving compared to other materials

such as SG iron or carbon steel.

The following are the good engineering practi-

ces required to prevent waterhammer and ensu-

re safe working conditions on a steam system.

Safe Handling

CastIronisa brittlematerial.If theproduct isdropped

during installation and there is any risk of damage

the product should not be used unless it is fully

inspectedand pressuretested bythe manufacturer.

Please remove label before commissioning

Vapore

Steam

Flusso

Flow

Esempi di esecuzioni corrette ( ) ed errate ( ) sulle linee vapore:

Steam Mains - Do's and Dont's:

Flusso

Flow

Prevenzione dai colpi d’ariete - Prevention of water hammer

Scarico condensa nelle linee vapore - Steam trapping on steam mains:

Intervalli di 30÷50 m. intervals

Pendenza - Gradient 1:100

Vapore

Steam Gruppo di scarico

Trap set

Condensa - Condasate

Pendenza - Gradient 1:100

Gruppo di scarico

Trap set

Gruppo di scarico

Trap set

Condensa - Condasate

Vapore

Steam

Prevenzione delle sollecitazioni di trazione

Prevention of tensile stressing

Evitare il disallineamento delle tubazioni - Pipe misalignment:

Installazione dei prodotti o loro rimontaggio post-manutenzione:

Installing products or re-assembling after maintenance:

Evitare l’eccessivo serraggio.

Utilizzare le coppie di serraggio

raccomandate.

Do not over tighten.

Use correct torque gures.

Per garantire l’uniformità del carico e dell'allineamento,

i bulloni delle ange devono essere serrati in modo

graduale e in sequenza, come indicato in gura.

Flange bolts should be gradually tightened across

diameters to ensure even load and alignment.

Dilatazioni termiche - Thermal expansion:

Gli esempi mostrano l’uso corretto dei compensatori di dilatzione. Si consiglia di richiedere una

consulenza specialistica ai tecnici dell’azienda che produce i compensatori di dilatazione.

Examples showing the use of expansion bellows. It is highly recommended that expert advise is

sought from the bellows manufacturer.

Guide

Guides

Distanza breve

Short distance

Punto di ssaggio

Fixing point

Movimento assiale

Axial movement

Distanza

media

Medium

distance

Tiranti limitatori

Limit rods

Piccolo

movimento

laterale

Small

lateral

movement

Piccolo

movimento

laterale

Small

lateral

movement

Ampio

movimento

laterale

Large

lateral

movement

Ampio

movimento

laterale

Large

lateral

movement

Guide

Guides

Guide

Guides

Guide

Guides

Punto di ssaggio

Fixing point

Tiranti limitatori

Limit rods

Movimento assiale

Axial movement

33.635.5275.253

Table of Contents

Limits of Responsability Pag. 4

Control Unit Pag. 6

Location and identication of components Pag. 7

Control Features Pag. 8

External Connections Pag. 9

Display and Keyboard Pag. 10

Initial Screen Pag. 11

Manual Mode Pag. 13

Manual set-up of feed water Pag. 14

Manual control of the Pressure Pag. 17

Manual control of the Bottom Blowdown Valve Pag. 21

Automatic mode Pag. 22

Pressure control Pag. 24

Level setup Pag. 25

Set-up of the bottom blowdown period Pag. 26

General considerations in Automatic Operation Pag. 28

Alarms and Blocks Pag. 29

Conguration Pag. 31

Parameters protected by a password Pag. 34

Repairs Pag. 39

43.635.5275.253

Limits of Responsability

This manual covers the procedures for the Installation, Operation and Maintenance of the PLC unit for the

control of indirect Steam Generator Systems. This manual is intended to be as complete and up to date as

possible. SPIRAX SARCO reserves the right to update it at any time and without obligation to notify product

owners of such changes.

Responsabilities

SPIRAX SARCO is not responsible for inaccuracies in specications, procedures and / or the content of

other product literature supplied by the manufacturers of components used on SPIRAX Steam Generators.

For manufacturing and control of Steam Generators SPIRAX SARCO utilizes only high quality components.

In case of a complete supply of a system SPIRAX SARCO will take full system responsibility. Where instead

SPIRAX SARCO has no direct control on other manufacturers and their quality level the responsibility will

be assumed only for the supplied parts.

Note: the symbol points out the “Warnings”

SPIRAX SARCO is not responsible for injury to personnel or product damage due to improper

actions and procedures used for installation, operation and maintenance.

These procedures should only be performed by trained and certied personnel. Prior to attempt these proce-

dures the personnel should completely and carefully read and understand this manual and other applicable

manuals for all supplied products. All personnel should also pay strict attention to all Notes, Cautions and

Warnings described in this manual.

In case SPIRAX SARCO supplies a Steam Generator without any auxiliary control equipment,

this manual is applicable only for the Generator part. The main contractor of the system will then

assume the responsibility for the supplied components, for their relevant manuals and for the com-

plete generation system.

53.635.5275.253

Information

This manual has been conceived as an operating guide for the control unit of SPIRAX SARCO Steam

Generators. Since every unit is built according to customer specications, the manual instructions might

sometimes appear too general and incomplete. Additional specic notes will be supplied when the proce-

dures substantially differ from those included in the standard manual.

Should this manual not respond to all questions or the procedures are not clearly comprehensive,

the user is invited to contact SPIRAX SARCO for any clarication.

Warnings

In the following pages several points with specic warnings are listed. Warnings are moreover repeated

when the procedures refer to areas of potential hazard.

All warnings and relevant precautions have to be carefully studied and followed to reduce the risk of injury

during operations of Installation, Start-up and Maintenance.

Every product or system using steam, diathermic oil, superheated water under pressure or

electric power can represent a potential hazard to personal injury when procedures are not properly

followed.

The simultaneous presence of water and electric power can generate hazardous conditions.

Areas with potential hazard

1. All connections and electric cables

2. All steam lines, valves, joints and pressure controllers

3. All steam lines, diathermic oil or superheated water, valves, joints and pressure controllers

Connections of main power supplies

All procedures for the connections of main power supplies have to be performed by trained and qualied

electrical personnel. The PLC unit for the control of SPIRAX SARCO Steam Generators are designed to be

installed in covered locations, unless otherwise specied by the customer.

Make sure to disconnect power before starting any operation of installation or maintenance.

63.635.5275.253

Control Unit

Description

The control and safety unit is a PLC type intelligent equipment designed to start-up, control and operate

indirect steam generation systems, either in local mode or by ultimate means of a remote system.

PLC

PE IG

PRB

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